Cysylltau cyflym:
yn ôl math o eiddo
yn ôl statws y prynwr
yn ôl statws cyllido
yn ôl statws yr eiddo
Ystadegau Prisiau Tai
Math o eiddo
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol ar gyfer pob math o eiddo neu ganolbwyntio ar un penodol.
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai pâr
|
Fflatiau a fflatiau deulawr
|
Ionawr 1995
|
74436.0
|
161449.0
|
95898.0
|
64619.0
|
Chwefror 1995
|
72778.0
|
157449.0
|
96084.0
|
60359.0
|
Mawrth 1995
|
73897.0
|
156090.0
|
94981.0
|
64186.0
|
Ebrill 1995
|
74455.0
|
156932.0
|
95193.0
|
65099.0
|
Mai 1995
|
75432.0
|
158778.0
|
96727.0
|
65718.0
|
Mehefin 1995
|
75606.0
|
158322.0
|
96551.0
|
66735.0
|
Gorffennaf 1995
|
75984.0
|
161896.0
|
97609.0
|
65790.0
|
Awst 1995
|
75529.0
|
160991.0
|
97064.0
|
65588.0
|
Medi 1995
|
74941.0
|
159829.0
|
96135.0
|
65035.0
|
Hydref 1995
|
74302.0
|
160268.0
|
95894.0
|
64793.0
|
Tachwedd 1995
|
74118.0
|
157177.0
|
95155.0
|
65081.0
|
Rhagfyr 1995
|
75178.0
|
158799.0
|
96433.0
|
66029.0
|
Ionawr 1996
|
75342.0
|
159926.0
|
96393.0
|
65870.0
|
Chwefror 1996
|
76087.0
|
159662.0
|
97498.0
|
66992.0
|
Mawrth 1996
|
75691.0
|
161107.0
|
97079.0
|
66097.0
|
Ebrill 1996
|
76767.0
|
160304.0
|
97381.0
|
68172.0
|
Mai 1996
|
77215.0
|
160540.0
|
98333.0
|
67630.0
|
Mehefin 1996
|
78139.0
|
163374.0
|
99096.0
|
69564.0
|
Gorffennaf 1996
|
78799.0
|
167042.0
|
100384.0
|
69523.0
|
Awst 1996
|
79058.0
|
168725.0
|
101125.0
|
68901.0
|
Medi 1996
|
79752.0
|
169961.0
|
101873.0
|
69975.0
|
Hydref 1996
|
79504.0
|
171030.0
|
101781.0
|
69598.0
|
Tachwedd 1996
|
80224.0
|
168697.0
|
102161.0
|
70450.0
|
Rhagfyr 1996
|
81417.0
|
171030.0
|
104399.0
|
71374.0
|
Ionawr 1997
|
83066.0
|
176010.0
|
105732.0
|
73141.0
|
Chwefror 1997
|
83579.0
|
176433.0
|
105446.0
|
74410.0
|
Mawrth 1997
|
84576.0
|
177667.0
|
106903.0
|
74926.0
|
Ebrill 1997
|
86088.0
|
180373.0
|
108927.0
|
76393.0
|
Mai 1997
|
88544.0
|
186373.0
|
112329.0
|
78356.0
|
Mehefin 1997
|
89231.0
|
190062.0
|
113227.0
|
78377.0
|
Gorffennaf 1997
|
92129.0
|
196287.0
|
117350.0
|
80620.0
|
Awst 1997
|
92120.0
|
198166.0
|
118155.0
|
80570.0
|
Medi 1997
|
94180.0
|
203053.0
|
120516.0
|
82656.0
|
Hydref 1997
|
93918.0
|
202832.0
|
120574.0
|
82234.0
|
Tachwedd 1997
|
95034.0
|
206280.0
|
121845.0
|
83446.0
|
Rhagfyr 1997
|
96863.0
|
206669.0
|
124400.0
|
84874.0
|
Ionawr 1998
|
97914.0
|
212537.0
|
124936.0
|
85657.0
|
Chwefror 1998
|
96944.0
|
205692.0
|
123670.0
|
85674.0
|
Mawrth 1998
|
98934.0
|
209210.0
|
125718.0
|
87389.0
|
Ebrill 1998
|
101287.0
|
214790.0
|
128936.0
|
89317.0
|
Mai 1998
|
101077.0
|
212891.0
|
129081.0
|
88700.0
|
Mehefin 1998
|
102891.0
|
216398.0
|
130638.0
|
90979.0
|
Gorffennaf 1998
|
104368.0
|
223821.0
|
133832.0
|
91489.0
|
Awst 1998
|
104078.0
|
226677.0
|
133532.0
|
91022.0
|
Medi 1998
|
104611.0
|
226350.0
|
134219.0
|
91626.0
|
Hydref 1998
|
104179.0
|
225428.0
|
133839.0
|
91844.0
|
Tachwedd 1998
|
104259.0
|
225927.0
|
134036.0
|
91965.0
|
Rhagfyr 1998
|
104785.0
|
221985.0
|
134030.0
|
92440.0
|
Ionawr 1999
|
105695.0
|
226545.0
|
134708.0
|
93692.0
|
Chwefror 1999
|
105273.0
|
225504.0
|
134203.0
|
93355.0
|
Mawrth 1999
|
107398.0
|
227657.0
|
136004.0
|
95485.0
|
Ebrill 1999
|
109621.0
|
232531.0
|
138706.0
|
96874.0
|
Mai 1999
|
111216.0
|
232262.0
|
139800.0
|
99033.0
|
Mehefin 1999
|
113319.0
|
240343.0
|
143345.0
|
100255.0
|
Gorffennaf 1999
|
117033.0
|
249454.0
|
147256.0
|
103599.0
|
Awst 1999
|
119358.0
|
252272.0
|
149578.0
|
105931.0
|
Medi 1999
|
122611.0
|
260347.0
|
152521.0
|
109954.0
|
Hydref 1999
|
123002.0
|
261720.0
|
154879.0
|
109870.0
|
Tachwedd 1999
|
125792.0
|
267166.0
|
158051.0
|
111981.0
|
Rhagfyr 1999
|
127918.0
|
265355.0
|
159147.0
|
115071.0
|
Ionawr 2000
|
130411.0
|
280980.0
|
165413.0
|
115506.0
|
Chwefror 2000
|
132705.0
|
279796.0
|
165391.0
|
118641.0
|
Mawrth 2000
|
134286.0
|
284608.0
|
168433.0
|
119340.0
|
Ebrill 2000
|
140670.0
|
293946.0
|
174235.0
|
126608.0
|
Mai 2000
|
140862.0
|
297670.0
|
176792.0
|
125794.0
|
Mehefin 2000
|
143542.0
|
298774.0
|
179057.0
|
128870.0
|
Gorffennaf 2000
|
146228.0
|
313017.0
|
183384.0
|
130434.0
|
Awst 2000
|
147284.0
|
311885.0
|
184296.0
|
132453.0
|
Medi 2000
|
147316.0
|
314775.0
|
183347.0
|
132409.0
|
Hydref 2000
|
145626.0
|
314817.0
|
184698.0
|
129962.0
|
Tachwedd 2000
|
147666.0
|
314211.0
|
182742.0
|
133810.0
|
Rhagfyr 2000
|
147483.0
|
307562.0
|
182542.0
|
133575.0
|
Ionawr 2001
|
149543.0
|
313677.0
|
185344.0
|
134820.0
|
Chwefror 2001
|
149776.0
|
316859.0
|
187191.0
|
134244.0
|
Mawrth 2001
|
150941.0
|
312590.0
|
186613.0
|
136351.0
|
Ebrill 2001
|
152865.0
|
317568.0
|
187982.0
|
137996.0
|
Mai 2001
|
157156.0
|
320126.0
|
192150.0
|
142572.0
|
Mehefin 2001
|
158760.0
|
321946.0
|
193754.0
|
144946.0
|
Gorffennaf 2001
|
161122.0
|
337102.0
|
199554.0
|
145315.0
|
Awst 2001
|
164628.0
|
340860.0
|
201833.0
|
149188.0
|
Medi 2001
|
164820.0
|
344116.0
|
202792.0
|
149093.0
|
Hydref 2001
|
166189.0
|
348354.0
|
205977.0
|
149680.0
|
Tachwedd 2001
|
167214.0
|
346501.0
|
206766.0
|
151527.0
|
Rhagfyr 2001
|
167693.0
|
340664.0
|
205384.0
|
153617.0
|
Ionawr 2002
|
169841.0
|
352528.0
|
210722.0
|
153883.0
|
Chwefror 2002
|
170502.0
|
347520.0
|
209278.0
|
154884.0
|
Mawrth 2002
|
172749.0
|
351801.0
|
211962.0
|
157187.0
|
Ebrill 2002
|
178218.0
|
359916.0
|
217092.0
|
163549.0
|
Mai 2002
|
182805.0
|
367527.0
|
223779.0
|
166997.0
|
Mehefin 2002
|
186038.0
|
369726.0
|
224529.0
|
171396.0
|
Gorffennaf 2002
|
191162.0
|
389899.0
|
233908.0
|
173793.0
|
Awst 2002
|
195333.0
|
394662.0
|
239197.0
|
177432.0
|
Medi 2002
|
197045.0
|
399194.0
|
242636.0
|
178855.0
|
Hydref 2002
|
199092.0
|
404694.0
|
246998.0
|
179988.0
|
Tachwedd 2002
|
202527.0
|
412507.0
|
248842.0
|
184228.0
|
Rhagfyr 2002
|
203437.0
|
407963.0
|
252359.0
|
184471.0
|
Ionawr 2003
|
207162.0
|
419137.0
|
254641.0
|
186926.0
|
Chwefror 2003
|
206464.0
|
414982.0
|
256602.0
|
186523.0
|
Mawrth 2003
|
205573.0
|
415288.0
|
255085.0
|
185407.0
|
Ebrill 2003
|
207953.0
|
415921.0
|
258067.0
|
188347.0
|
Mai 2003
|
210583.0
|
418968.0
|
261553.0
|
189359.0
|
Mehefin 2003
|
208941.0
|
417655.0
|
259215.0
|
188717.0
|
Gorffennaf 2003
|
213806.0
|
426441.0
|
266051.0
|
192154.0
|
Awst 2003
|
212692.0
|
423770.0
|
264469.0
|
190918.0
|
Medi 2003
|
212901.0
|
428779.0
|
266092.0
|
190449.0
|
Hydref 2003
|
214608.0
|
427660.0
|
267387.0
|
192263.0
|
Tachwedd 2003
|
215556.0
|
425184.0
|
267314.0
|
193463.0
|
Rhagfyr 2003
|
216971.0
|
420852.0
|
267879.0
|
196159.0
|
Ionawr 2004
|
218855.0
|
434342.0
|
271332.0
|
196490.0
|
Chwefror 2004
|
219804.0
|
434984.0
|
273084.0
|
196693.0
|
Mawrth 2004
|
221324.0
|
432135.0
|
271383.0
|
199326.0
|
Ebrill 2004
|
225863.0
|
435578.0
|
278620.0
|
202365.0
|
Mai 2004
|
227330.0
|
430197.0
|
279298.0
|
204628.0
|
Mehefin 2004
|
230156.0
|
438283.0
|
281838.0
|
207895.0
|
Gorffennaf 2004
|
233877.0
|
447529.0
|
288388.0
|
209501.0
|
Awst 2004
|
234836.0
|
452951.0
|
288655.0
|
210563.0
|
Medi 2004
|
234134.0
|
451595.0
|
288161.0
|
209748.0
|
Hydref 2004
|
232287.0
|
448530.0
|
286511.0
|
207943.0
|
Tachwedd 2004
|
234718.0
|
449256.0
|
287896.0
|
211065.0
|
Rhagfyr 2004
|
230185.0
|
441332.0
|
282435.0
|
206756.0
|
Ionawr 2005
|
232422.0
|
448212.0
|
284417.0
|
208376.0
|
Chwefror 2005
|
231321.0
|
442730.0
|
283523.0
|
207548.0
|
Mawrth 2005
|
231263.0
|
440100.0
|
282278.0
|
207511.0
|
Ebrill 2005
|
235367.0
|
443176.0
|
286920.0
|
211199.0
|
Mai 2005
|
235685.0
|
447963.0
|
288344.0
|
211479.0
|
Mehefin 2005
|
235899.0
|
443028.0
|
287519.0
|
211100.0
|
Gorffennaf 2005
|
237872.0
|
449202.0
|
290947.0
|
212892.0
|
Awst 2005
|
237971.0
|
449857.0
|
288600.0
|
213620.0
|
Medi 2005
|
236916.0
|
451638.0
|
290297.0
|
211176.0
|
Hydref 2005
|
234298.0
|
442924.0
|
286183.0
|
209507.0
|
Tachwedd 2005
|
236561.0
|
445427.0
|
288242.0
|
211694.0
|
Rhagfyr 2005
|
238377.0
|
438936.0
|
285358.0
|
215567.0
|
Ionawr 2006
|
239846.0
|
454025.0
|
291590.0
|
214584.0
|
Chwefror 2006
|
239115.0
|
448642.0
|
289915.0
|
214773.0
|
Mawrth 2006
|
241380.0
|
454096.0
|
292056.0
|
216507.0
|
Ebrill 2006
|
245474.0
|
455431.0
|
296200.0
|
220453.0
|
Mai 2006
|
247591.0
|
460366.0
|
297797.0
|
223018.0
|
Mehefin 2006
|
251417.0
|
465913.0
|
301279.0
|
226295.0
|
Gorffennaf 2006
|
253883.0
|
473171.0
|
306203.0
|
226972.0
|
Awst 2006
|
256704.0
|
478540.0
|
308896.0
|
230115.0
|
Medi 2006
|
257541.0
|
483177.0
|
310130.0
|
231214.0
|
Hydref 2006
|
259115.0
|
483203.0
|
311206.0
|
233036.0
|
Tachwedd 2006
|
258814.0
|
484883.0
|
312651.0
|
231582.0
|
Rhagfyr 2006
|
264494.0
|
491261.0
|
316458.0
|
238180.0
|
Ionawr 2007
|
267658.0
|
496475.0
|
319628.0
|
240937.0
|
Chwefror 2007
|
270780.0
|
501729.0
|
322708.0
|
245120.0
|
Mawrth 2007
|
273479.0
|
506544.0
|
325473.0
|
246442.0
|
Ebrill 2007
|
278805.0
|
512600.0
|
330825.0
|
251019.0
|
Mai 2007
|
282726.0
|
515304.0
|
334101.0
|
256149.0
|
Mehefin 2007
|
285958.0
|
524980.0
|
337493.0
|
258918.0
|
Gorffennaf 2007
|
295694.0
|
547759.0
|
350983.0
|
266890.0
|
Awst 2007
|
297653.0
|
546248.0
|
350162.0
|
269035.0
|
Medi 2007
|
298414.0
|
552891.0
|
351709.0
|
270506.0
|
Hydref 2007
|
298559.0
|
555873.0
|
351538.0
|
270658.0
|
Tachwedd 2007
|
297648.0
|
560486.0
|
354894.0
|
268479.0
|
Rhagfyr 2007
|
297994.0
|
551709.0
|
352333.0
|
270329.0
|
Ionawr 2008
|
298596.0
|
562436.0
|
354015.0
|
269578.0
|
Chwefror 2008
|
295700.0
|
552961.0
|
351217.0
|
267322.0
|
Mawrth 2008
|
293605.0
|
547952.0
|
349568.0
|
264226.0
|
Ebrill 2008
|
294346.0
|
557690.0
|
349515.0
|
265191.0
|
Mai 2008
|
295163.0
|
550050.0
|
350758.0
|
266306.0
|
Mehefin 2008
|
290100.0
|
542550.0
|
344894.0
|
260848.0
|
Gorffennaf 2008
|
290261.0
|
546197.0
|
343508.0
|
262734.0
|
Awst 2008
|
281721.0
|
532326.0
|
335791.0
|
253968.0
|
Medi 2008
|
276487.0
|
524235.0
|
326819.0
|
250460.0
|
Hydref 2008
|
266999.0
|
506702.0
|
316158.0
|
242805.0
|
Tachwedd 2008
|
258647.0
|
493046.0
|
308780.0
|
233135.0
|
Rhagfyr 2008
|
253881.0
|
480437.0
|
303686.0
|
228422.0
|
Ionawr 2009
|
253093.0
|
484980.0
|
300817.0
|
229353.0
|
Chwefror 2009
|
249847.0
|
465160.0
|
296380.0
|
226949.0
|
Mawrth 2009
|
247264.0
|
460766.0
|
291834.0
|
225466.0
|
Ebrill 2009
|
245351.0
|
456683.0
|
291883.0
|
222092.0
|
Mai 2009
|
249991.0
|
462317.0
|
295985.0
|
227052.0
|
Mehefin 2009
|
253596.0
|
468537.0
|
299623.0
|
229061.0
|
Gorffennaf 2009
|
259793.0
|
484437.0
|
310207.0
|
233071.0
|
Awst 2009
|
262076.0
|
491850.0
|
314236.0
|
234400.0
|
Medi 2009
|
267501.0
|
497220.0
|
316791.0
|
241515.0
|
Hydref 2009
|
268780.0
|
504815.0
|
321628.0
|
240658.0
|
Tachwedd 2009
|
266837.0
|
501064.0
|
318077.0
|
238347.0
|
Rhagfyr 2009
|
270118.0
|
502617.0
|
323927.0
|
241063.0
|
Ionawr 2010
|
279724.0
|
525410.0
|
335145.0
|
249180.0
|
Chwefror 2010
|
278753.0
|
524431.0
|
335551.0
|
247719.0
|
Mawrth 2010
|
280472.0
|
532768.0
|
335940.0
|
250903.0
|
Ebrill 2010
|
281981.0
|
530526.0
|
337788.0
|
251899.0
|
Mai 2010
|
281762.0
|
532230.0
|
337877.0
|
250835.0
|
Mehefin 2010
|
284541.0
|
536235.0
|
340019.0
|
253666.0
|
Gorffennaf 2010
|
292772.0
|
560177.0
|
351466.0
|
259349.0
|
Awst 2010
|
290646.0
|
552684.0
|
352306.0
|
257356.0
|
Medi 2010
|
290093.0
|
559284.0
|
350133.0
|
256612.0
|
Hydref 2010
|
286131.0
|
548402.0
|
345578.0
|
253754.0
|
Tachwedd 2010
|
282290.0
|
545732.0
|
343402.0
|
250196.0
|
Rhagfyr 2010
|
285353.0
|
545247.0
|
344640.0
|
253763.0
|
Ionawr 2011
|
287983.0
|
561353.0
|
347089.0
|
255214.0
|
Chwefror 2011
|
285227.0
|
556285.0
|
343860.0
|
253953.0
|
Mawrth 2011
|
287092.0
|
559907.0
|
342214.0
|
257165.0
|
Ebrill 2011
|
293993.0
|
556813.0
|
346657.0
|
264752.0
|
Mai 2011
|
284722.0
|
539789.0
|
342357.0
|
254026.0
|
Mehefin 2011
|
285906.0
|
534579.0
|
340812.0
|
256336.0
|
Gorffennaf 2011
|
295843.0
|
555115.0
|
350495.0
|
265623.0
|
Awst 2011
|
294903.0
|
558789.0
|
354046.0
|
261746.0
|
Medi 2011
|
295358.0
|
566622.0
|
353417.0
|
262610.0
|
Hydref 2011
|
292267.0
|
565503.0
|
354002.0
|
259320.0
|
Tachwedd 2011
|
291036.0
|
559120.0
|
348955.0
|
260317.0
|
Rhagfyr 2011
|
292284.0
|
553602.0
|
350948.0
|
261000.0
|
Ionawr 2012
|
294360.0
|
554780.0
|
352985.0
|
262346.0
|
Chwefror 2012
|
292381.0
|
569459.0
|
354995.0
|
257937.0
|
Mawrth 2012
|
290379.0
|
544127.0
|
345599.0
|
259216.0
|
Ebrill 2012
|
299065.0
|
561806.0
|
354724.0
|
267993.0
|
Mai 2012
|
304081.0
|
570424.0
|
361779.0
|
271470.0
|
Mehefin 2012
|
306823.0
|
567821.0
|
361738.0
|
274239.0
|
Gorffennaf 2012
|
308962.0
|
580113.0
|
366704.0
|
275099.0
|
Awst 2012
|
310043.0
|
582142.0
|
368878.0
|
275527.0
|
Medi 2012
|
308469.0
|
579776.0
|
365664.0
|
274948.0
|
Hydref 2012
|
310281.0
|
580841.0
|
367792.0
|
277248.0
|
Tachwedd 2012
|
308540.0
|
579766.0
|
366472.0
|
275027.0
|
Rhagfyr 2012
|
313744.0
|
584430.0
|
368743.0
|
280600.0
|
Ionawr 2013
|
311364.0
|
585417.0
|
371472.0
|
277251.0
|
Chwefror 2013
|
313550.0
|
584924.0
|
369428.0
|
280689.0
|
Mawrth 2013
|
312289.0
|
587252.0
|
369862.0
|
278831.0
|
Ebrill 2013
|
320921.0
|
592752.0
|
374400.0
|
288624.0
|
Mai 2013
|
322324.0
|
600796.0
|
379979.0
|
288559.0
|
Mehefin 2013
|
324518.0
|
600375.0
|
380448.0
|
290694.0
|
Gorffennaf 2013
|
332988.0
|
612056.0
|
388303.0
|
298764.0
|
Awst 2013
|
335743.0
|
621017.0
|
394860.0
|
299890.0
|
Medi 2013
|
340494.0
|
627915.0
|
394236.0
|
306464.0
|
Hydref 2013
|
340045.0
|
629328.0
|
398386.0
|
305736.0
|
Tachwedd 2013
|
343749.0
|
631279.0
|
401464.0
|
309270.0
|
Rhagfyr 2013
|
352028.0
|
632546.0
|
405661.0
|
319009.0
|
Ionawr 2014
|
355830.0
|
651986.0
|
413770.0
|
320787.0
|
Chwefror 2014
|
357876.0
|
657774.0
|
415632.0
|
323086.0
|
Mawrth 2014
|
361400.0
|
656427.0
|
417649.0
|
326778.0
|
Ebrill 2014
|
375337.0
|
688122.0
|
435644.0
|
337738.0
|
Mai 2014
|
382705.0
|
692487.0
|
441186.0
|
345723.0
|
Mehefin 2014
|
387182.0
|
699099.0
|
446329.0
|
349362.0
|
Gorffennaf 2014
|
398737.0
|
728491.0
|
465103.0
|
357492.0
|
Awst 2014
|
404754.0
|
739313.0
|
471552.0
|
362768.0
|
Medi 2014
|
403670.0
|
738828.0
|
468585.0
|
362757.0
|
Hydref 2014
|
402300.0
|
741040.0
|
470849.0
|
360746.0
|
Tachwedd 2014
|
400803.0
|
743115.0
|
472027.0
|
358450.0
|
Rhagfyr 2014
|
402898.0
|
739606.0
|
469349.0
|
362322.0
|
Ionawr 2015
|
402847.0
|
743471.0
|
471904.0
|
361840.0
|
Chwefror 2015
|
404773.0
|
748417.0
|
473702.0
|
363574.0
|
Mawrth 2015
|
404706.0
|
746670.0
|
474072.0
|
363615.0
|
Ebrill 2015
|
410445.0
|
759614.0
|
480438.0
|
367469.0
|
Mai 2015
|
415817.0
|
758190.0
|
485444.0
|
374213.0
|
Mehefin 2015
|
419474.0
|
772089.0
|
493081.0
|
373769.0
|
Gorffennaf 2015
|
431644.0
|
787783.0
|
506181.0
|
385416.0
|
Awst 2015
|
436152.0
|
805864.0
|
514997.0
|
387978.0
|
Medi 2015
|
439729.0
|
820565.0
|
517030.0
|
392127.0
|
Hydref 2015
|
440484.0
|
824799.0
|
525228.0
|
389400.0
|
Tachwedd 2015
|
445485.0
|
828661.0
|
528318.0
|
395612.0
|
Rhagfyr 2015
|
450053.0
|
844884.0
|
536465.0
|
398893.0
|
Ionawr 2016
|
457466.0
|
846956.0
|
546758.0
|
405793.0
|
Chwefror 2016
|
457759.0
|
863896.0
|
550400.0
|
403745.0
|
Mawrth 2016
|
464647.0
|
873391.0
|
549954.0
|
412842.0
|
Ebrill 2016
|
461068.0
|
859832.0
|
551600.0
|
407094.0
|
Mai 2016
|
467485.0
|
864839.0
|
557920.0
|
414351.0
|
Mehefin 2016
|
468120.0
|
885121.0
|
560281.0
|
413275.0
|
Gorffennaf 2016
|
475530.0
|
893103.0
|
572688.0
|
418347.0
|
Awst 2016
|
471957.0
|
889075.0
|
568552.0
|
415648.0
|
Medi 2016
|
471767.0
|
883706.0
|
565376.0
|
416967.0
|
Hydref 2016
|
471008.0
|
883336.0
|
565977.0
|
417532.0
|
Tachwedd 2016
|
470854.0
|
886553.0
|
562093.0
|
418660.0
|
Rhagfyr 2016
|
472374.0
|
887005.0
|
562272.0
|
419937.0
|
Ionawr 2017
|
475619.0
|
893279.0
|
568911.0
|
421834.0
|
Chwefror 2017
|
476717.0
|
887959.0
|
563242.0
|
427256.0
|
Mawrth 2017
|
475442.0
|
893859.0
|
566834.0
|
422917.0
|
Ebrill 2017
|
479790.0
|
899133.0
|
567701.0
|
428541.0
|
Mai 2017
|
480902.0
|
890430.0
|
571569.0
|
430111.0
|
Mehefin 2017
|
480152.0
|
890539.0
|
569116.0
|
428001.0
|
Gorffennaf 2017
|
488527.0
|
903023.0
|
582307.0
|
434837.0
|
Awst 2017
|
487085.0
|
904655.0
|
579880.0
|
432209.0
|
Medi 2017
|
483833.0
|
913220.0
|
578519.0
|
428892.0
|
Hydref 2017
|
481762.0
|
908782.0
|
580410.0
|
426315.0
|
Tachwedd 2017
|
476290.0
|
892900.0
|
573421.0
|
421807.0
|
Rhagfyr 2017
|
476848.0
|
899100.0
|
573194.0
|
421917.0
|
Ionawr 2018
|
479772.0
|
895602.0
|
576870.0
|
425766.0
|
Chwefror 2018
|
477860.0
|
898057.0
|
574508.0
|
423537.0
|
Mawrth 2018
|
472357.0
|
890041.0
|
572169.0
|
416546.0
|
Ebrill 2018
|
477253.0
|
898928.0
|
579191.0
|
420315.0
|
Mai 2018
|
478485.0
|
903088.0
|
581868.0
|
420076.0
|
Mehefin 2018
|
479931.0
|
909153.0
|
587607.0
|
421188.0
|
Gorffennaf 2018
|
484724.0
|
929011.0
|
591665.0
|
424322.0
|
Awst 2018
|
479550.0
|
912509.0
|
583664.0
|
420693.0
|
Medi 2018
|
476545.0
|
912657.0
|
583686.0
|
416752.0
|
Hydref 2018
|
480057.0
|
919012.0
|
586432.0
|
420614.0
|
Tachwedd 2018
|
474347.0
|
913641.0
|
580831.0
|
414526.0
|
Rhagfyr 2018
|
473252.0
|
899415.0
|
579876.0
|
415052.0
|
Ionawr 2019
|
470067.0
|
909861.0
|
578054.0
|
410934.0
|
Chwefror 2019
|
466068.0
|
897130.0
|
571003.0
|
407751.0
|
Mawrth 2019
|
464162.0
|
879600.0
|
566491.0
|
406906.0
|
Ebrill 2019
|
469537.0
|
886952.0
|
570672.0
|
411728.0
|
Mai 2019
|
463628.0
|
877723.0
|
567219.0
|
404483.0
|
Mehefin 2019
|
470519.0
|
892527.0
|
579285.0
|
410734.0
|
Gorffennaf 2019
|
478505.0
|
900158.0
|
581341.0
|
419875.0
|
Awst 2019
|
472729.0
|
902797.0
|
580661.0
|
409829.0
|
Medi 2019
|
477146.0
|
901921.0
|
578597.0
|
418324.0
|
Hydref 2019
|
472668.0
|
901258.0
|
584448.0
|
411266.0
|
Tachwedd 2019
|
468757.0
|
904492.0
|
580116.0
|
405653.0
|
Rhagfyr 2019
|
479153.0
|
908784.0
|
584771.0
|
418382.0
|
Ionawr 2020
|
475948.0
|
892166.0
|
580151.0
|
416550.0
|
Chwefror 2020
|
474480.0
|
913264.0
|
584538.0
|
411015.0
|
Mawrth 2020
|
482605.0
|
917831.0
|
591621.0
|
421036.0
|
Ebrill 2020
|
476159.0
|
921807.0
|
585408.0
|
412702.0
|
Mai 2020
|
473225.0
|
907980.0
|
582060.0
|
411283.0
|
Mehefin 2020
|
479969.0
|
906997.0
|
593008.0
|
414734.0
|
Gorffennaf 2020
|
483830.0
|
920274.0
|
595144.0
|
419846.0
|
Awst 2020
|
489424.0
|
937891.0
|
606544.0
|
421646.0
|
Medi 2020
|
493205.0
|
941153.0
|
609487.0
|
425218.0
|
Hydref 2020
|
486212.0
|
939399.0
|
605395.0
|
415993.0
|
Tachwedd 2020
|
494552.0
|
959523.0
|
616305.0
|
422998.0
|
Rhagfyr 2020
|
494193.0
|
957470.0
|
618971.0
|
421321.0
|
Ionawr 2021
|
494231.0
|
939149.0
|
611753.0
|
426340.0
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai pâr
|
Fflatiau a fflatiau deulawr
|
Ionawr 1995
|
10.0
|
|
|
|
Chwefror 1995
|
7.6
|
|
|
|
Mawrth 1995
|
9.2
|
|
|
|
Ebrill 1995
|
2.0
|
|
|
|
Mai 1995
|
3.3
|
|
|
|
Mehefin 1995
|
3.6
|
|
|
|
Gorffennaf 1995
|
3.7
|
|
|
|
Awst 1995
|
3.1
|
|
|
|
Medi 1995
|
2.3
|
|
|
|
Hydref 1995
|
4.8
|
|
|
|
Tachwedd 1995
|
4.5
|
|
|
|
Rhagfyr 1995
|
6.0
|
|
|
|
Ionawr 1996
|
1.2
|
-0.9
|
0.5
|
1.9
|
Chwefror 1996
|
4.6
|
1.4
|
1.5
|
11.0
|
Mawrth 1996
|
2.4
|
3.2
|
2.2
|
3.0
|
Ebrill 1996
|
3.1
|
2.2
|
2.3
|
4.7
|
Mai 1996
|
2.4
|
1.1
|
1.7
|
2.9
|
Mehefin 1996
|
3.4
|
3.2
|
2.6
|
4.2
|
Gorffennaf 1996
|
3.7
|
3.2
|
2.8
|
5.7
|
Awst 1996
|
4.7
|
4.8
|
4.2
|
5.0
|
Medi 1996
|
6.4
|
6.3
|
6.0
|
7.6
|
Hydref 1996
|
7.0
|
6.7
|
6.1
|
7.4
|
Tachwedd 1996
|
8.2
|
7.3
|
7.4
|
8.2
|
Rhagfyr 1996
|
8.3
|
7.7
|
8.3
|
8.1
|
Ionawr 1997
|
10.2
|
10.1
|
9.7
|
11.0
|
Chwefror 1997
|
9.8
|
10.5
|
8.2
|
11.1
|
Mawrth 1997
|
11.7
|
10.3
|
10.1
|
13.4
|
Ebrill 1997
|
12.1
|
12.5
|
11.9
|
12.1
|
Mai 1997
|
14.7
|
16.1
|
14.2
|
15.9
|
Mehefin 1997
|
14.2
|
16.3
|
14.3
|
12.7
|
Gorffennaf 1997
|
16.9
|
17.5
|
16.9
|
16.0
|
Awst 1997
|
16.5
|
17.4
|
16.8
|
16.9
|
Medi 1997
|
18.1
|
19.5
|
18.3
|
18.1
|
Hydref 1997
|
18.1
|
18.6
|
18.5
|
18.2
|
Tachwedd 1997
|
18.5
|
22.3
|
19.3
|
18.4
|
Rhagfyr 1997
|
19.0
|
20.8
|
19.2
|
18.9
|
Ionawr 1998
|
17.9
|
20.8
|
18.2
|
17.1
|
Chwefror 1998
|
16.0
|
16.6
|
17.3
|
15.1
|
Mawrth 1998
|
17.0
|
17.8
|
17.6
|
16.6
|
Ebrill 1998
|
17.7
|
19.1
|
18.4
|
16.9
|
Mai 1998
|
14.2
|
14.2
|
14.9
|
13.2
|
Mehefin 1998
|
15.3
|
13.9
|
15.4
|
16.1
|
Gorffennaf 1998
|
13.3
|
14.0
|
14.0
|
13.5
|
Awst 1998
|
13.0
|
14.4
|
13.0
|
13.0
|
Medi 1998
|
11.1
|
11.5
|
11.4
|
10.8
|
Hydref 1998
|
10.9
|
11.1
|
11.0
|
11.7
|
Tachwedd 1998
|
9.7
|
9.5
|
10.0
|
10.2
|
Rhagfyr 1998
|
8.2
|
7.4
|
7.7
|
8.9
|
Ionawr 1999
|
8.0
|
6.6
|
7.8
|
9.4
|
Chwefror 1999
|
8.6
|
9.6
|
8.5
|
9.0
|
Mawrth 1999
|
8.6
|
8.8
|
8.2
|
9.3
|
Ebrill 1999
|
8.2
|
8.3
|
7.6
|
8.5
|
Mai 1999
|
10.0
|
9.1
|
8.3
|
11.6
|
Mehefin 1999
|
10.1
|
11.1
|
9.7
|
10.2
|
Gorffennaf 1999
|
12.1
|
11.4
|
10.0
|
13.2
|
Awst 1999
|
14.7
|
11.3
|
12.0
|
16.4
|
Medi 1999
|
17.2
|
15.0
|
13.6
|
20.0
|
Hydref 1999
|
18.1
|
16.1
|
15.7
|
19.6
|
Tachwedd 1999
|
20.6
|
18.2
|
17.9
|
21.8
|
Rhagfyr 1999
|
22.1
|
19.5
|
18.7
|
24.5
|
Ionawr 2000
|
23.4
|
24.0
|
22.8
|
23.3
|
Chwefror 2000
|
26.1
|
24.1
|
23.2
|
27.1
|
Mawrth 2000
|
25.0
|
25.0
|
23.8
|
25.0
|
Ebrill 2000
|
28.3
|
26.4
|
25.6
|
30.7
|
Mai 2000
|
26.7
|
28.2
|
26.5
|
27.0
|
Mehefin 2000
|
26.7
|
24.3
|
24.9
|
28.5
|
Gorffennaf 2000
|
25.0
|
25.5
|
24.5
|
25.9
|
Awst 2000
|
23.4
|
23.6
|
23.2
|
25.0
|
Medi 2000
|
20.2
|
20.9
|
20.2
|
20.4
|
Hydref 2000
|
18.4
|
20.3
|
19.2
|
18.3
|
Tachwedd 2000
|
17.4
|
17.6
|
15.6
|
19.5
|
Rhagfyr 2000
|
15.3
|
15.9
|
14.7
|
16.1
|
Ionawr 2001
|
14.7
|
11.6
|
12.0
|
16.7
|
Chwefror 2001
|
12.9
|
13.2
|
13.2
|
13.2
|
Mawrth 2001
|
12.4
|
9.8
|
10.8
|
14.2
|
Ebrill 2001
|
8.7
|
8.0
|
7.9
|
9.0
|
Mai 2001
|
11.6
|
7.5
|
8.7
|
13.3
|
Mehefin 2001
|
10.6
|
7.8
|
8.2
|
12.5
|
Gorffennaf 2001
|
10.2
|
7.7
|
8.8
|
11.4
|
Awst 2001
|
11.8
|
9.3
|
9.5
|
12.6
|
Medi 2001
|
11.9
|
9.3
|
10.6
|
12.6
|
Hydref 2001
|
14.1
|
10.6
|
11.5
|
15.2
|
Tachwedd 2001
|
13.2
|
10.3
|
13.2
|
13.2
|
Rhagfyr 2001
|
13.7
|
10.8
|
12.5
|
15.0
|
Ionawr 2002
|
13.6
|
12.4
|
13.7
|
14.1
|
Chwefror 2002
|
13.8
|
9.7
|
11.8
|
15.4
|
Mawrth 2002
|
14.4
|
12.5
|
13.6
|
15.3
|
Ebrill 2002
|
16.6
|
13.3
|
15.5
|
18.5
|
Mai 2002
|
16.3
|
14.8
|
16.5
|
17.1
|
Mehefin 2002
|
17.2
|
14.8
|
15.9
|
18.2
|
Gorffennaf 2002
|
18.6
|
15.7
|
17.2
|
19.6
|
Awst 2002
|
18.6
|
15.8
|
18.5
|
18.9
|
Medi 2002
|
19.6
|
16.0
|
19.6
|
20.0
|
Hydref 2002
|
19.8
|
16.2
|
19.9
|
20.2
|
Tachwedd 2002
|
21.1
|
19.0
|
20.4
|
21.6
|
Rhagfyr 2002
|
21.3
|
19.8
|
22.9
|
20.1
|
Ionawr 2003
|
22.0
|
18.9
|
20.8
|
21.5
|
Chwefror 2003
|
21.1
|
19.4
|
22.6
|
20.4
|
Mawrth 2003
|
19.0
|
18.0
|
20.3
|
18.0
|
Ebrill 2003
|
16.7
|
15.6
|
18.9
|
15.2
|
Mai 2003
|
15.2
|
14.0
|
16.9
|
13.4
|
Mehefin 2003
|
12.3
|
13.0
|
15.4
|
10.1
|
Gorffennaf 2003
|
11.8
|
9.4
|
13.7
|
10.6
|
Awst 2003
|
8.9
|
7.4
|
10.6
|
7.6
|
Medi 2003
|
8.0
|
7.4
|
9.7
|
6.5
|
Hydref 2003
|
7.8
|
5.7
|
8.2
|
6.8
|
Tachwedd 2003
|
6.4
|
3.1
|
7.4
|
5.0
|
Rhagfyr 2003
|
6.6
|
3.2
|
6.2
|
6.3
|
Ionawr 2004
|
5.6
|
3.6
|
6.6
|
5.1
|
Chwefror 2004
|
6.5
|
4.8
|
6.4
|
5.4
|
Mawrth 2004
|
7.7
|
4.1
|
6.4
|
7.5
|
Ebrill 2004
|
8.6
|
4.7
|
8.0
|
7.4
|
Mai 2004
|
8.0
|
2.7
|
6.8
|
8.1
|
Mehefin 2004
|
10.2
|
4.9
|
8.7
|
10.2
|
Gorffennaf 2004
|
9.4
|
5.0
|
8.4
|
9.0
|
Awst 2004
|
10.4
|
6.9
|
9.2
|
10.3
|
Medi 2004
|
10.0
|
5.3
|
8.3
|
10.1
|
Hydref 2004
|
8.2
|
4.9
|
7.2
|
8.2
|
Tachwedd 2004
|
8.9
|
5.7
|
7.7
|
9.1
|
Rhagfyr 2004
|
6.1
|
4.9
|
5.4
|
5.4
|
Ionawr 2005
|
6.2
|
3.2
|
4.8
|
6.0
|
Chwefror 2005
|
5.2
|
1.8
|
3.8
|
5.5
|
Mawrth 2005
|
4.5
|
1.8
|
4.0
|
4.1
|
Ebrill 2005
|
4.2
|
1.7
|
3.0
|
4.4
|
Mai 2005
|
3.7
|
4.1
|
3.2
|
3.4
|
Mehefin 2005
|
2.5
|
1.1
|
2.0
|
1.5
|
Gorffennaf 2005
|
1.7
|
0.4
|
0.9
|
1.6
|
Awst 2005
|
1.3
|
-0.7
|
-0.0
|
1.4
|
Medi 2005
|
1.2
|
0.0
|
0.7
|
0.7
|
Hydref 2005
|
0.9
|
-1.2
|
-0.1
|
0.8
|
Tachwedd 2005
|
0.8
|
-0.8
|
0.1
|
0.3
|
Rhagfyr 2005
|
3.6
|
-0.5
|
1.0
|
4.3
|
Ionawr 2006
|
3.2
|
1.3
|
2.5
|
3.0
|
Chwefror 2006
|
3.4
|
1.3
|
2.2
|
3.5
|
Mawrth 2006
|
4.4
|
3.2
|
3.5
|
4.3
|
Ebrill 2006
|
4.3
|
2.8
|
3.2
|
4.4
|
Mai 2006
|
5.0
|
2.8
|
3.3
|
5.5
|
Mehefin 2006
|
6.6
|
5.2
|
4.8
|
7.2
|
Gorffennaf 2006
|
6.7
|
5.3
|
5.2
|
6.6
|
Awst 2006
|
7.9
|
6.4
|
7.0
|
7.7
|
Medi 2006
|
8.7
|
7.0
|
6.8
|
9.5
|
Hydref 2006
|
10.6
|
9.1
|
8.7
|
11.2
|
Tachwedd 2006
|
9.4
|
8.9
|
8.5
|
9.4
|
Rhagfyr 2006
|
11.0
|
11.9
|
10.9
|
10.5
|
Ionawr 2007
|
11.6
|
9.4
|
9.6
|
12.3
|
Chwefror 2007
|
13.2
|
11.8
|
11.3
|
14.1
|
Mawrth 2007
|
13.3
|
11.6
|
11.4
|
13.8
|
Ebrill 2007
|
13.6
|
12.6
|
11.7
|
13.9
|
Mai 2007
|
14.2
|
11.9
|
12.2
|
14.9
|
Mehefin 2007
|
13.7
|
12.7
|
12.0
|
14.4
|
Gorffennaf 2007
|
16.5
|
15.8
|
14.6
|
17.6
|
Awst 2007
|
16.0
|
14.2
|
13.4
|
16.9
|
Medi 2007
|
15.9
|
14.4
|
13.4
|
17.0
|
Hydref 2007
|
15.2
|
15.0
|
13.0
|
16.1
|
Tachwedd 2007
|
15.0
|
15.6
|
13.5
|
15.9
|
Rhagfyr 2007
|
12.7
|
12.3
|
11.3
|
13.5
|
Ionawr 2008
|
11.6
|
13.3
|
10.8
|
11.9
|
Chwefror 2008
|
9.2
|
10.2
|
8.8
|
9.1
|
Mawrth 2008
|
7.4
|
8.2
|
7.4
|
7.2
|
Ebrill 2008
|
5.6
|
8.8
|
5.6
|
5.6
|
Mai 2008
|
4.4
|
6.7
|
5.0
|
4.0
|
Mehefin 2008
|
1.4
|
3.4
|
2.2
|
0.8
|
Gorffennaf 2008
|
-1.8
|
-0.3
|
-2.1
|
-1.6
|
Awst 2008
|
-5.4
|
-2.6
|
-4.1
|
-5.6
|
Medi 2008
|
-7.4
|
-5.2
|
-7.1
|
-7.4
|
Hydref 2008
|
-10.6
|
-8.8
|
-10.1
|
-10.3
|
Tachwedd 2008
|
-13.1
|
-12.0
|
-13.0
|
-13.2
|
Rhagfyr 2008
|
-14.8
|
-12.9
|
-13.8
|
-15.5
|
Ionawr 2009
|
-15.2
|
-13.8
|
-15.0
|
-14.9
|
Chwefror 2009
|
-15.5
|
-15.9
|
-15.6
|
-15.1
|
Mawrth 2009
|
-15.8
|
-15.9
|
-16.5
|
-14.7
|
Ebrill 2009
|
-16.6
|
-18.1
|
-16.5
|
-16.2
|
Mai 2009
|
-15.3
|
-16.0
|
-15.6
|
-14.7
|
Mehefin 2009
|
-12.6
|
-13.6
|
-13.1
|
-12.2
|
Gorffennaf 2009
|
-10.5
|
-11.3
|
-9.7
|
-11.3
|
Awst 2009
|
-7.0
|
-7.6
|
-6.4
|
-7.7
|
Medi 2009
|
-3.2
|
-5.2
|
-3.1
|
-3.6
|
Hydref 2009
|
0.7
|
-0.4
|
1.7
|
-0.9
|
Tachwedd 2009
|
3.2
|
1.6
|
3.0
|
2.2
|
Rhagfyr 2009
|
6.4
|
4.6
|
6.7
|
5.5
|
Ionawr 2010
|
10.5
|
8.3
|
11.4
|
8.6
|
Chwefror 2010
|
11.6
|
12.7
|
13.2
|
9.2
|
Mawrth 2010
|
13.4
|
15.6
|
15.1
|
11.3
|
Ebrill 2010
|
14.9
|
16.2
|
15.7
|
13.4
|
Mai 2010
|
12.7
|
15.1
|
14.2
|
10.5
|
Mehefin 2010
|
12.2
|
14.4
|
13.5
|
10.7
|
Gorffennaf 2010
|
12.7
|
15.6
|
13.3
|
11.3
|
Awst 2010
|
10.9
|
12.4
|
12.1
|
9.8
|
Medi 2010
|
8.4
|
12.5
|
10.5
|
6.2
|
Hydref 2010
|
6.5
|
8.6
|
7.4
|
5.4
|
Tachwedd 2010
|
5.8
|
8.9
|
8.0
|
5.0
|
Rhagfyr 2010
|
5.6
|
8.5
|
6.4
|
5.3
|
Ionawr 2011
|
3.0
|
6.8
|
3.6
|
2.4
|
Chwefror 2011
|
2.3
|
6.1
|
2.5
|
2.5
|
Mawrth 2011
|
2.4
|
5.1
|
1.9
|
2.5
|
Ebrill 2011
|
4.3
|
5.0
|
2.6
|
5.1
|
Mai 2011
|
1.0
|
1.4
|
1.3
|
1.3
|
Mehefin 2011
|
0.5
|
-0.3
|
0.2
|
1.0
|
Gorffennaf 2011
|
1.0
|
-0.9
|
-0.3
|
2.4
|
Awst 2011
|
1.5
|
1.1
|
0.5
|
1.7
|
Medi 2011
|
1.8
|
1.3
|
0.9
|
2.3
|
Hydref 2011
|
2.1
|
3.1
|
2.4
|
2.2
|
Tachwedd 2011
|
3.1
|
2.4
|
1.6
|
4.0
|
Rhagfyr 2011
|
2.4
|
1.5
|
1.8
|
2.8
|
Ionawr 2012
|
2.2
|
-1.2
|
1.7
|
2.8
|
Chwefror 2012
|
2.5
|
2.4
|
3.2
|
1.6
|
Mawrth 2012
|
1.1
|
-2.8
|
1.0
|
0.8
|
Ebrill 2012
|
1.7
|
0.9
|
2.3
|
1.2
|
Mai 2012
|
6.8
|
5.7
|
5.7
|
6.9
|
Mehefin 2012
|
7.3
|
6.2
|
6.1
|
7.0
|
Gorffennaf 2012
|
4.4
|
4.5
|
4.6
|
3.6
|
Awst 2012
|
5.1
|
4.2
|
4.2
|
5.3
|
Medi 2012
|
4.4
|
2.3
|
3.5
|
4.7
|
Hydref 2012
|
6.2
|
2.7
|
3.9
|
6.9
|
Tachwedd 2012
|
6.0
|
3.7
|
5.0
|
5.6
|
Rhagfyr 2012
|
7.3
|
5.6
|
5.1
|
7.5
|
Ionawr 2013
|
5.8
|
5.5
|
5.2
|
5.7
|
Chwefror 2013
|
7.2
|
2.7
|
4.1
|
8.8
|
Mawrth 2013
|
7.6
|
7.9
|
7.0
|
7.6
|
Ebrill 2013
|
7.3
|
5.5
|
5.6
|
7.7
|
Mai 2013
|
6.0
|
5.3
|
5.0
|
6.3
|
Mehefin 2013
|
5.8
|
5.7
|
5.2
|
6.0
|
Gorffennaf 2013
|
7.8
|
5.5
|
5.9
|
8.6
|
Awst 2013
|
8.3
|
6.7
|
7.0
|
8.8
|
Medi 2013
|
10.4
|
8.3
|
7.8
|
11.5
|
Hydref 2013
|
9.6
|
8.4
|
8.3
|
10.3
|
Tachwedd 2013
|
11.4
|
8.9
|
9.6
|
12.4
|
Rhagfyr 2013
|
12.2
|
8.2
|
10.0
|
13.7
|
Ionawr 2014
|
14.3
|
11.4
|
11.4
|
15.7
|
Chwefror 2014
|
14.1
|
12.4
|
12.5
|
15.1
|
Mawrth 2014
|
15.7
|
11.8
|
12.9
|
17.2
|
Ebrill 2014
|
17.0
|
16.1
|
16.4
|
17.0
|
Mai 2014
|
18.7
|
15.3
|
16.1
|
19.8
|
Mehefin 2014
|
19.3
|
16.4
|
17.3
|
20.2
|
Gorffennaf 2014
|
19.8
|
19.0
|
19.8
|
19.7
|
Awst 2014
|
20.6
|
19.0
|
19.4
|
21.0
|
Medi 2014
|
18.6
|
17.7
|
18.9
|
18.4
|
Hydref 2014
|
18.3
|
17.8
|
18.2
|
18.0
|
Tachwedd 2014
|
16.6
|
17.7
|
17.6
|
15.9
|
Rhagfyr 2014
|
14.4
|
16.9
|
15.7
|
13.6
|
Ionawr 2015
|
13.2
|
14.0
|
14.0
|
12.8
|
Chwefror 2015
|
13.1
|
13.8
|
14.0
|
12.5
|
Mawrth 2015
|
12.0
|
13.8
|
13.5
|
11.3
|
Ebrill 2015
|
9.4
|
10.4
|
10.3
|
8.8
|
Mai 2015
|
8.6
|
9.5
|
10.0
|
8.2
|
Mehefin 2015
|
8.3
|
10.4
|
10.5
|
7.0
|
Gorffennaf 2015
|
8.2
|
8.1
|
8.8
|
7.8
|
Awst 2015
|
7.8
|
9.0
|
9.2
|
7.0
|
Medi 2015
|
8.9
|
11.1
|
10.3
|
8.1
|
Hydref 2015
|
9.5
|
11.3
|
11.6
|
7.9
|
Tachwedd 2015
|
11.2
|
11.5
|
11.9
|
10.4
|
Rhagfyr 2015
|
11.7
|
14.2
|
14.3
|
10.1
|
Ionawr 2016
|
13.6
|
13.9
|
15.9
|
12.2
|
Chwefror 2016
|
13.1
|
15.4
|
16.2
|
11.0
|
Mawrth 2016
|
14.8
|
17.0
|
16.0
|
13.5
|
Ebrill 2016
|
12.3
|
13.2
|
14.8
|
10.8
|
Mai 2016
|
12.4
|
14.1
|
14.9
|
10.7
|
Mehefin 2016
|
11.6
|
14.6
|
13.6
|
10.6
|
Gorffennaf 2016
|
10.2
|
13.4
|
13.1
|
8.5
|
Awst 2016
|
8.2
|
10.3
|
10.4
|
7.1
|
Medi 2016
|
7.3
|
7.7
|
9.4
|
6.3
|
Hydref 2016
|
6.9
|
7.1
|
7.8
|
7.2
|
Tachwedd 2016
|
5.7
|
7.0
|
6.4
|
5.8
|
Rhagfyr 2016
|
5.0
|
5.0
|
4.8
|
5.3
|
Ionawr 2017
|
4.0
|
5.5
|
4.0
|
4.0
|
Chwefror 2017
|
4.1
|
2.8
|
2.3
|
5.8
|
Mawrth 2017
|
2.3
|
2.3
|
3.1
|
2.4
|
Ebrill 2017
|
4.1
|
4.6
|
2.9
|
5.3
|
Mai 2017
|
2.9
|
3.0
|
2.4
|
3.8
|
Mehefin 2017
|
2.6
|
0.6
|
1.6
|
3.6
|
Gorffennaf 2017
|
2.7
|
1.1
|
1.7
|
3.9
|
Awst 2017
|
3.2
|
1.8
|
2.0
|
4.0
|
Medi 2017
|
2.6
|
3.3
|
2.3
|
2.9
|
Hydref 2017
|
2.3
|
2.9
|
2.6
|
2.1
|
Tachwedd 2017
|
1.2
|
0.7
|
2.0
|
0.8
|
Rhagfyr 2017
|
1.0
|
1.4
|
1.9
|
0.5
|
Ionawr 2018
|
0.9
|
0.3
|
1.4
|
0.9
|
Chwefror 2018
|
0.2
|
1.1
|
2.0
|
-0.9
|
Mawrth 2018
|
-0.6
|
-0.4
|
0.9
|
-1.5
|
Ebrill 2018
|
-0.5
|
-0.0
|
2.0
|
-1.9
|
Mai 2018
|
-0.5
|
1.4
|
1.8
|
-2.3
|
Mehefin 2018
|
-0.1
|
2.1
|
3.2
|
-1.6
|
Gorffennaf 2018
|
-0.8
|
2.9
|
1.6
|
-2.4
|
Awst 2018
|
-1.6
|
0.9
|
0.6
|
-2.7
|
Medi 2018
|
-1.5
|
-0.1
|
0.9
|
-2.8
|
Hydref 2018
|
-0.4
|
1.1
|
1.0
|
-1.3
|
Tachwedd 2018
|
-0.4
|
2.3
|
1.3
|
-1.7
|
Rhagfyr 2018
|
-0.8
|
0.0
|
1.2
|
-1.6
|
Ionawr 2019
|
-2.0
|
1.6
|
0.2
|
-3.5
|
Chwefror 2019
|
-2.5
|
-0.1
|
-0.6
|
-3.7
|
Mawrth 2019
|
-1.7
|
-1.2
|
-1.0
|
-2.3
|
Ebrill 2019
|
-1.6
|
-1.3
|
-1.5
|
-2.0
|
Mai 2019
|
-3.1
|
-2.8
|
-2.5
|
-3.7
|
Mehefin 2019
|
-2.0
|
-1.8
|
-1.4
|
-2.5
|
Gorffennaf 2019
|
-1.3
|
-3.1
|
-1.7
|
-1.0
|
Awst 2019
|
-1.4
|
-1.1
|
-0.5
|
-2.6
|
Medi 2019
|
0.1
|
-1.2
|
-0.9
|
0.4
|
Hydref 2019
|
-1.5
|
-1.9
|
-0.3
|
-2.2
|
Tachwedd 2019
|
-1.2
|
-1.0
|
-0.1
|
-2.1
|
Rhagfyr 2019
|
1.2
|
1.0
|
0.8
|
0.8
|
Ionawr 2020
|
1.2
|
-1.9
|
0.4
|
1.4
|
Chwefror 2020
|
1.8
|
1.8
|
2.4
|
0.8
|
Mawrth 2020
|
4.0
|
4.4
|
4.4
|
3.5
|
Ebrill 2020
|
1.4
|
3.9
|
2.6
|
0.2
|
Mai 2020
|
2.1
|
3.4
|
2.6
|
1.7
|
Mehefin 2020
|
2.0
|
1.6
|
2.4
|
1.0
|
Gorffennaf 2020
|
1.1
|
2.2
|
2.4
|
-0.0
|
Awst 2020
|
3.5
|
3.9
|
4.5
|
2.9
|
Medi 2020
|
3.4
|
4.4
|
5.3
|
1.6
|
Hydref 2020
|
2.9
|
4.2
|
3.6
|
1.2
|
Tachwedd 2020
|
5.5
|
6.1
|
6.2
|
4.3
|
Rhagfyr 2020
|
3.1
|
5.4
|
5.8
|
0.7
|
Ionawr 2021
|
3.8
|
5.3
|
5.4
|
2.4
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai pâr
|
Fflatiau a fflatiau deulawr
|
Ionawr 1995
|
|
|
|
|
Chwefror 1995
|
-2.2
|
-2.5
|
0.2
|
-6.6
|
Mawrth 1995
|
1.5
|
-0.9
|
-1.2
|
6.3
|
Ebrill 1995
|
0.8
|
0.5
|
0.2
|
1.4
|
Mai 1995
|
1.3
|
1.2
|
1.6
|
1.0
|
Mehefin 1995
|
0.2
|
-0.3
|
-0.2
|
1.6
|
Gorffennaf 1995
|
0.5
|
2.3
|
1.1
|
-1.4
|
Awst 1995
|
-0.6
|
-0.6
|
-0.6
|
-0.3
|
Medi 1995
|
-0.8
|
-0.7
|
-1.0
|
-0.8
|
Hydref 1995
|
-0.8
|
0.3
|
-0.2
|
-0.4
|
Tachwedd 1995
|
-0.2
|
-1.9
|
-0.8
|
0.4
|
Rhagfyr 1995
|
1.4
|
1.0
|
1.3
|
1.5
|
Ionawr 1996
|
0.2
|
0.7
|
-0.0
|
-0.2
|
Chwefror 1996
|
1.0
|
-0.2
|
1.2
|
1.7
|
Mawrth 1996
|
-0.5
|
0.9
|
-0.4
|
-1.3
|
Ebrill 1996
|
1.4
|
-0.5
|
0.3
|
3.1
|
Mai 1996
|
0.6
|
0.2
|
1.0
|
-0.8
|
Mehefin 1996
|
1.2
|
1.8
|
0.8
|
2.9
|
Gorffennaf 1996
|
0.8
|
2.2
|
1.3
|
-0.1
|
Awst 1996
|
0.3
|
1.0
|
0.7
|
-0.9
|
Medi 1996
|
0.9
|
0.7
|
0.7
|
1.6
|
Hydref 1996
|
-0.3
|
0.6
|
-0.1
|
-0.5
|
Tachwedd 1996
|
0.9
|
-1.4
|
0.4
|
1.2
|
Rhagfyr 1996
|
1.5
|
1.4
|
2.2
|
1.3
|
Ionawr 1997
|
2.0
|
2.9
|
1.3
|
2.5
|
Chwefror 1997
|
0.6
|
0.2
|
-0.3
|
1.7
|
Mawrth 1997
|
1.2
|
0.7
|
1.4
|
0.7
|
Ebrill 1997
|
1.8
|
1.5
|
1.9
|
2.0
|
Mai 1997
|
2.8
|
3.3
|
3.1
|
2.6
|
Mehefin 1997
|
0.8
|
2.0
|
0.8
|
0.0
|
Gorffennaf 1997
|
3.2
|
3.3
|
3.6
|
2.9
|
Awst 1997
|
-0.0
|
1.0
|
0.7
|
-0.1
|
Medi 1997
|
2.2
|
2.5
|
2.0
|
2.6
|
Hydref 1997
|
-0.3
|
-0.1
|
0.1
|
-0.5
|
Tachwedd 1997
|
1.2
|
1.7
|
1.0
|
1.5
|
Rhagfyr 1997
|
1.9
|
0.2
|
2.1
|
1.7
|
Ionawr 1998
|
1.1
|
2.8
|
0.4
|
0.9
|
Chwefror 1998
|
-1.0
|
-3.2
|
-1.0
|
0.0
|
Mawrth 1998
|
2.0
|
1.7
|
1.7
|
2.0
|
Ebrill 1998
|
2.4
|
2.7
|
2.6
|
2.2
|
Mai 1998
|
-0.2
|
-0.9
|
0.1
|
-0.7
|
Mehefin 1998
|
1.8
|
1.6
|
1.2
|
2.6
|
Gorffennaf 1998
|
1.4
|
3.4
|
2.4
|
0.6
|
Awst 1998
|
-0.3
|
1.3
|
-0.2
|
-0.5
|
Medi 1998
|
0.5
|
-0.1
|
0.5
|
0.7
|
Hydref 1998
|
-0.4
|
-0.4
|
-0.3
|
0.2
|
Tachwedd 1998
|
0.1
|
0.2
|
0.2
|
0.1
|
Rhagfyr 1998
|
0.5
|
-1.7
|
0.0
|
0.5
|
Ionawr 1999
|
0.9
|
2.0
|
0.5
|
1.4
|
Chwefror 1999
|
-0.4
|
-0.5
|
-0.4
|
-0.4
|
Mawrth 1999
|
2.0
|
1.0
|
1.3
|
2.3
|
Ebrill 1999
|
2.1
|
2.1
|
2.0
|
1.4
|
Mai 1999
|
1.4
|
-0.1
|
0.8
|
2.2
|
Mehefin 1999
|
1.9
|
3.5
|
2.5
|
1.2
|
Gorffennaf 1999
|
3.3
|
3.8
|
2.7
|
3.3
|
Awst 1999
|
2.0
|
1.1
|
1.6
|
2.2
|
Medi 1999
|
2.7
|
3.2
|
2.0
|
3.8
|
Hydref 1999
|
0.3
|
0.5
|
1.6
|
-0.1
|
Tachwedd 1999
|
2.3
|
2.1
|
2.0
|
1.9
|
Rhagfyr 1999
|
1.7
|
-0.7
|
0.7
|
2.8
|
Ionawr 2000
|
2.0
|
5.9
|
3.9
|
0.4
|
Chwefror 2000
|
1.8
|
-0.4
|
-0.0
|
2.7
|
Mawrth 2000
|
1.2
|
1.7
|
1.8
|
0.6
|
Ebrill 2000
|
4.8
|
3.3
|
3.4
|
6.1
|
Mai 2000
|
0.1
|
1.3
|
1.5
|
-0.6
|
Mehefin 2000
|
1.9
|
0.4
|
1.3
|
2.4
|
Gorffennaf 2000
|
1.9
|
4.8
|
2.4
|
1.2
|
Awst 2000
|
0.7
|
-0.4
|
0.5
|
1.6
|
Medi 2000
|
0.0
|
0.9
|
-0.5
|
-0.0
|
Hydref 2000
|
-1.2
|
0.0
|
0.7
|
-1.8
|
Tachwedd 2000
|
1.4
|
-0.2
|
-1.1
|
3.0
|
Rhagfyr 2000
|
-0.1
|
-2.1
|
-0.1
|
-0.2
|
Ionawr 2001
|
1.4
|
2.0
|
1.5
|
0.9
|
Chwefror 2001
|
0.2
|
1.0
|
1.0
|
-0.4
|
Mawrth 2001
|
0.8
|
-1.4
|
-0.3
|
1.6
|
Ebrill 2001
|
1.3
|
1.6
|
0.7
|
1.2
|
Mai 2001
|
2.8
|
0.8
|
2.2
|
3.3
|
Mehefin 2001
|
1.0
|
0.6
|
0.8
|
1.7
|
Gorffennaf 2001
|
1.5
|
4.7
|
3.0
|
0.2
|
Awst 2001
|
2.2
|
1.1
|
1.1
|
2.7
|
Medi 2001
|
0.1
|
1.0
|
0.5
|
-0.1
|
Hydref 2001
|
0.8
|
1.2
|
1.6
|
0.4
|
Tachwedd 2001
|
0.6
|
-0.5
|
0.4
|
1.2
|
Rhagfyr 2001
|
0.3
|
-1.7
|
-0.7
|
1.4
|
Ionawr 2002
|
1.3
|
3.5
|
2.6
|
0.2
|
Chwefror 2002
|
0.4
|
-1.4
|
-0.7
|
0.6
|
Mawrth 2002
|
1.3
|
1.2
|
1.3
|
1.5
|
Ebrill 2002
|
3.2
|
2.3
|
2.4
|
4.0
|
Mai 2002
|
2.6
|
2.1
|
3.1
|
2.1
|
Mehefin 2002
|
1.8
|
0.6
|
0.3
|
2.6
|
Gorffennaf 2002
|
2.8
|
5.5
|
4.2
|
1.4
|
Awst 2002
|
2.2
|
1.2
|
2.3
|
2.1
|
Medi 2002
|
0.9
|
1.2
|
1.4
|
0.8
|
Hydref 2002
|
1.0
|
1.4
|
1.8
|
0.6
|
Tachwedd 2002
|
1.7
|
1.9
|
0.8
|
2.4
|
Rhagfyr 2002
|
0.4
|
-1.1
|
1.4
|
0.1
|
Ionawr 2003
|
1.8
|
2.7
|
0.9
|
1.3
|
Chwefror 2003
|
-0.3
|
-1.0
|
0.8
|
-0.2
|
Mawrth 2003
|
-0.4
|
0.1
|
-0.6
|
-0.6
|
Ebrill 2003
|
1.2
|
0.2
|
1.2
|
1.6
|
Mai 2003
|
1.3
|
0.7
|
1.4
|
0.5
|
Mehefin 2003
|
-0.8
|
-0.3
|
-0.9
|
-0.3
|
Gorffennaf 2003
|
2.3
|
2.1
|
2.6
|
1.8
|
Awst 2003
|
-0.5
|
-0.6
|
-0.6
|
-0.6
|
Medi 2003
|
0.1
|
1.2
|
0.6
|
-0.2
|
Hydref 2003
|
0.8
|
-0.3
|
0.5
|
1.0
|
Tachwedd 2003
|
0.4
|
-0.6
|
-0.0
|
0.6
|
Rhagfyr 2003
|
0.7
|
-1.0
|
0.2
|
1.4
|
Ionawr 2004
|
0.9
|
3.2
|
1.3
|
0.2
|
Chwefror 2004
|
0.4
|
0.2
|
0.6
|
0.1
|
Mawrth 2004
|
0.7
|
-0.7
|
-0.6
|
1.3
|
Ebrill 2004
|
2.0
|
0.8
|
2.7
|
1.5
|
Mai 2004
|
0.6
|
-1.2
|
0.2
|
1.1
|
Mehefin 2004
|
1.2
|
1.9
|
0.9
|
1.6
|
Gorffennaf 2004
|
1.6
|
2.1
|
2.3
|
0.8
|
Awst 2004
|
0.4
|
1.2
|
0.1
|
0.5
|
Medi 2004
|
-0.3
|
-0.3
|
-0.2
|
-0.4
|
Hydref 2004
|
-0.8
|
-0.7
|
-0.6
|
-0.9
|
Tachwedd 2004
|
1.0
|
0.2
|
0.5
|
1.5
|
Rhagfyr 2004
|
-1.9
|
-1.8
|
-1.9
|
-2.0
|
Ionawr 2005
|
1.0
|
1.6
|
0.7
|
0.8
|
Chwefror 2005
|
-0.5
|
-1.2
|
-0.3
|
-0.4
|
Mawrth 2005
|
-0.0
|
-0.6
|
-0.4
|
-0.0
|
Ebrill 2005
|
1.8
|
0.7
|
1.6
|
1.8
|
Mai 2005
|
0.1
|
1.1
|
0.5
|
0.1
|
Mehefin 2005
|
0.1
|
-1.1
|
-0.3
|
-0.2
|
Gorffennaf 2005
|
0.8
|
1.4
|
1.2
|
0.8
|
Awst 2005
|
0.0
|
0.2
|
-0.8
|
0.3
|
Medi 2005
|
-0.4
|
0.4
|
0.6
|
-1.1
|
Hydref 2005
|
-1.1
|
-1.9
|
-1.4
|
-0.8
|
Tachwedd 2005
|
1.0
|
0.6
|
0.7
|
1.0
|
Rhagfyr 2005
|
0.8
|
-1.5
|
-1.0
|
1.8
|
Ionawr 2006
|
0.6
|
3.4
|
2.2
|
-0.5
|
Chwefror 2006
|
-0.3
|
-1.2
|
-0.6
|
0.1
|
Mawrth 2006
|
1.0
|
1.2
|
0.7
|
0.8
|
Ebrill 2006
|
1.7
|
0.3
|
1.4
|
1.8
|
Mai 2006
|
0.9
|
1.1
|
0.5
|
1.2
|
Mehefin 2006
|
1.6
|
1.2
|
1.2
|
1.5
|
Gorffennaf 2006
|
1.0
|
1.6
|
1.6
|
0.3
|
Awst 2006
|
1.1
|
1.1
|
0.9
|
1.4
|
Medi 2006
|
0.3
|
1.0
|
0.4
|
0.5
|
Hydref 2006
|
0.6
|
0.0
|
0.4
|
0.8
|
Tachwedd 2006
|
-0.1
|
0.4
|
0.5
|
-0.6
|
Rhagfyr 2006
|
2.2
|
1.3
|
1.2
|
2.8
|
Ionawr 2007
|
1.2
|
1.1
|
1.0
|
1.2
|
Chwefror 2007
|
1.2
|
1.1
|
1.0
|
1.7
|
Mawrth 2007
|
1.0
|
1.0
|
0.9
|
0.5
|
Ebrill 2007
|
2.0
|
1.2
|
1.6
|
1.9
|
Mai 2007
|
1.4
|
0.5
|
1.0
|
2.0
|
Mehefin 2007
|
1.1
|
1.9
|
1.0
|
1.1
|
Gorffennaf 2007
|
3.4
|
4.3
|
4.0
|
3.1
|
Awst 2007
|
0.7
|
-0.3
|
-0.2
|
0.8
|
Medi 2007
|
0.3
|
1.2
|
0.4
|
0.6
|
Hydref 2007
|
0.1
|
0.5
|
-0.1
|
0.1
|
Tachwedd 2007
|
-0.3
|
0.8
|
1.0
|
-0.8
|
Rhagfyr 2007
|
0.1
|
-1.6
|
-0.7
|
0.7
|
Ionawr 2008
|
0.2
|
1.9
|
0.5
|
-0.3
|
Chwefror 2008
|
-1.0
|
-1.7
|
-0.8
|
-0.8
|
Mawrth 2008
|
-0.7
|
-0.9
|
-0.5
|
-1.2
|
Ebrill 2008
|
0.2
|
1.8
|
-0.0
|
0.4
|
Mai 2008
|
0.3
|
-1.4
|
0.4
|
0.4
|
Mehefin 2008
|
-1.7
|
-1.4
|
-1.7
|
-2.0
|
Gorffennaf 2008
|
0.1
|
0.7
|
-0.4
|
0.7
|
Awst 2008
|
-2.9
|
-2.5
|
-2.2
|
-3.3
|
Medi 2008
|
-1.9
|
-1.5
|
-2.7
|
-1.4
|
Hydref 2008
|
-3.4
|
-3.3
|
-3.3
|
-3.1
|
Tachwedd 2008
|
-3.1
|
-2.7
|
-2.3
|
-4.0
|
Rhagfyr 2008
|
-1.8
|
-2.6
|
-1.6
|
-2.0
|
Ionawr 2009
|
-0.3
|
1.0
|
-0.9
|
0.4
|
Chwefror 2009
|
-1.3
|
-4.1
|
-1.5
|
-1.0
|
Mawrth 2009
|
-1.0
|
-0.9
|
-1.5
|
-0.6
|
Ebrill 2009
|
-0.8
|
-0.9
|
0.0
|
-1.5
|
Mai 2009
|
1.9
|
1.2
|
1.4
|
2.2
|
Mehefin 2009
|
1.4
|
1.4
|
1.2
|
0.9
|
Gorffennaf 2009
|
2.4
|
3.4
|
3.5
|
1.8
|
Awst 2009
|
0.9
|
1.5
|
1.3
|
0.6
|
Medi 2009
|
2.1
|
1.1
|
0.8
|
3.0
|
Hydref 2009
|
0.5
|
1.5
|
1.5
|
-0.4
|
Tachwedd 2009
|
-0.7
|
-0.7
|
-1.1
|
-1.0
|
Rhagfyr 2009
|
1.2
|
0.3
|
1.8
|
1.1
|
Ionawr 2010
|
3.6
|
4.5
|
3.5
|
3.4
|
Chwefror 2010
|
-0.4
|
-0.2
|
0.1
|
-0.6
|
Mawrth 2010
|
0.6
|
1.6
|
0.1
|
1.3
|
Ebrill 2010
|
0.5
|
-0.4
|
0.6
|
0.4
|
Mai 2010
|
-0.1
|
0.3
|
0.0
|
-0.4
|
Mehefin 2010
|
1.0
|
0.8
|
0.6
|
1.1
|
Gorffennaf 2010
|
2.9
|
4.5
|
3.4
|
2.2
|
Awst 2010
|
-0.7
|
-1.3
|
0.2
|
-0.8
|
Medi 2010
|
-0.2
|
1.2
|
-0.6
|
-0.3
|
Hydref 2010
|
-1.4
|
-2.0
|
-1.3
|
-1.1
|
Tachwedd 2010
|
-1.3
|
-0.5
|
-0.6
|
-1.4
|
Rhagfyr 2010
|
1.1
|
-0.1
|
0.4
|
1.4
|
Ionawr 2011
|
0.9
|
3.0
|
0.7
|
0.6
|
Chwefror 2011
|
-1.0
|
-0.9
|
-0.9
|
-0.5
|
Mawrth 2011
|
0.6
|
0.6
|
-0.5
|
1.3
|
Ebrill 2011
|
2.4
|
-0.6
|
1.3
|
3.0
|
Mai 2011
|
-3.2
|
-3.1
|
-1.2
|
-4.0
|
Mehefin 2011
|
0.4
|
-1.0
|
-0.4
|
0.9
|
Gorffennaf 2011
|
3.5
|
3.8
|
2.8
|
3.6
|
Awst 2011
|
-0.3
|
0.7
|
1.0
|
-1.5
|
Medi 2011
|
0.2
|
1.4
|
-0.2
|
0.3
|
Hydref 2011
|
-1.0
|
-0.2
|
0.2
|
-1.2
|
Tachwedd 2011
|
-0.4
|
-1.1
|
-1.4
|
0.4
|
Rhagfyr 2011
|
0.4
|
-1.0
|
0.6
|
0.3
|
Ionawr 2012
|
0.7
|
0.2
|
0.6
|
0.5
|
Chwefror 2012
|
-0.7
|
2.6
|
0.6
|
-1.7
|
Mawrth 2012
|
-0.7
|
-4.4
|
-2.6
|
0.5
|
Ebrill 2012
|
3.0
|
3.2
|
2.6
|
3.4
|
Mai 2012
|
1.7
|
1.5
|
2.0
|
1.3
|
Mehefin 2012
|
0.9
|
-0.5
|
-0.0
|
1.0
|
Gorffennaf 2012
|
0.7
|
2.2
|
1.4
|
0.3
|
Awst 2012
|
0.4
|
0.4
|
0.6
|
0.2
|
Medi 2012
|
-0.5
|
-0.4
|
-0.9
|
-0.2
|
Hydref 2012
|
0.6
|
0.2
|
0.6
|
0.8
|
Tachwedd 2012
|
-0.6
|
-0.2
|
-0.4
|
-0.8
|
Rhagfyr 2012
|
1.7
|
0.8
|
0.6
|
2.0
|
Ionawr 2013
|
-0.8
|
0.2
|
0.7
|
-1.2
|
Chwefror 2013
|
0.7
|
-0.1
|
-0.6
|
1.2
|
Mawrth 2013
|
-0.4
|
0.4
|
0.1
|
-0.7
|
Ebrill 2013
|
2.8
|
0.9
|
1.2
|
3.5
|
Mai 2013
|
0.4
|
1.4
|
1.5
|
-0.0
|
Mehefin 2013
|
0.7
|
-0.1
|
0.1
|
0.7
|
Gorffennaf 2013
|
2.6
|
2.0
|
2.1
|
2.8
|
Awst 2013
|
0.8
|
1.5
|
1.7
|
0.4
|
Medi 2013
|
1.4
|
1.1
|
-0.2
|
2.2
|
Hydref 2013
|
-0.1
|
0.2
|
1.0
|
-0.2
|
Tachwedd 2013
|
1.1
|
0.3
|
0.8
|
1.2
|
Rhagfyr 2013
|
2.4
|
0.2
|
1.0
|
3.2
|
Ionawr 2014
|
1.1
|
3.1
|
2.0
|
0.6
|
Chwefror 2014
|
0.6
|
0.9
|
0.4
|
0.7
|
Mawrth 2014
|
1.0
|
-0.2
|
0.5
|
1.1
|
Ebrill 2014
|
3.9
|
4.8
|
4.3
|
3.4
|
Mai 2014
|
2.0
|
0.6
|
1.3
|
2.4
|
Mehefin 2014
|
1.2
|
1.0
|
1.2
|
1.0
|
Gorffennaf 2014
|
3.0
|
4.2
|
4.2
|
2.3
|
Awst 2014
|
1.5
|
1.5
|
1.4
|
1.5
|
Medi 2014
|
-0.3
|
-0.1
|
-0.6
|
0.0
|
Hydref 2014
|
-0.3
|
0.3
|
0.5
|
-0.6
|
Tachwedd 2014
|
-0.4
|
0.3
|
0.2
|
-0.6
|
Rhagfyr 2014
|
0.5
|
-0.5
|
-0.6
|
1.1
|
Ionawr 2015
|
-0.0
|
0.5
|
0.5
|
-0.1
|
Chwefror 2015
|
0.5
|
0.7
|
0.4
|
0.5
|
Mawrth 2015
|
-0.0
|
-0.2
|
0.1
|
0.0
|
Ebrill 2015
|
1.4
|
1.7
|
1.3
|
1.1
|
Mai 2015
|
1.3
|
-0.2
|
1.0
|
1.8
|
Mehefin 2015
|
0.9
|
1.8
|
1.6
|
-0.1
|
Gorffennaf 2015
|
2.9
|
2.0
|
2.7
|
3.1
|
Awst 2015
|
1.0
|
2.3
|
1.7
|
0.7
|
Medi 2015
|
0.8
|
1.8
|
0.4
|
1.1
|
Hydref 2015
|
0.2
|
0.5
|
1.6
|
-0.7
|
Tachwedd 2015
|
1.1
|
0.5
|
0.6
|
1.6
|
Rhagfyr 2015
|
1.0
|
2.0
|
1.5
|
0.8
|
Ionawr 2016
|
1.6
|
0.2
|
1.9
|
1.7
|
Chwefror 2016
|
0.1
|
2.0
|
0.7
|
-0.5
|
Mawrth 2016
|
1.5
|
1.1
|
-0.1
|
2.2
|
Ebrill 2016
|
-0.8
|
-1.6
|
0.3
|
-1.4
|
Mai 2016
|
1.4
|
0.6
|
1.2
|
1.8
|
Mehefin 2016
|
0.1
|
2.4
|
0.4
|
-0.3
|
Gorffennaf 2016
|
1.6
|
0.9
|
2.2
|
1.2
|
Awst 2016
|
-0.8
|
-0.4
|
-0.7
|
-0.6
|
Medi 2016
|
-0.0
|
-0.6
|
-0.6
|
0.3
|
Hydref 2016
|
-0.2
|
-0.0
|
0.1
|
0.1
|
Tachwedd 2016
|
-0.0
|
0.4
|
-0.7
|
0.3
|
Rhagfyr 2016
|
0.3
|
0.1
|
0.0
|
0.3
|
Ionawr 2017
|
0.7
|
0.7
|
1.2
|
0.4
|
Chwefror 2017
|
0.2
|
-0.6
|
-1.0
|
1.3
|
Mawrth 2017
|
-0.3
|
0.7
|
0.6
|
-1.0
|
Ebrill 2017
|
0.9
|
0.6
|
0.2
|
1.3
|
Mai 2017
|
0.2
|
-1.0
|
0.7
|
0.4
|
Mehefin 2017
|
-0.2
|
0.0
|
-0.4
|
-0.5
|
Gorffennaf 2017
|
1.7
|
1.4
|
2.3
|
1.6
|
Awst 2017
|
-0.3
|
0.2
|
-0.4
|
-0.6
|
Medi 2017
|
-0.7
|
1.0
|
-0.2
|
-0.8
|
Hydref 2017
|
-0.4
|
-0.5
|
0.3
|
-0.6
|
Tachwedd 2017
|
-1.1
|
-1.8
|
-1.2
|
-1.1
|
Rhagfyr 2017
|
0.1
|
0.7
|
-0.0
|
0.0
|
Ionawr 2018
|
0.6
|
-0.4
|
0.6
|
0.9
|
Chwefror 2018
|
-0.4
|
0.3
|
-0.4
|
-0.5
|
Mawrth 2018
|
-1.2
|
-0.9
|
-0.4
|
-1.6
|
Ebrill 2018
|
1.0
|
1.0
|
1.2
|
0.9
|
Mai 2018
|
0.3
|
0.5
|
0.5
|
-0.1
|
Mehefin 2018
|
0.3
|
0.7
|
1.0
|
0.3
|
Gorffennaf 2018
|
1.0
|
2.2
|
0.7
|
0.7
|
Awst 2018
|
-1.1
|
-1.8
|
-1.4
|
-0.9
|
Medi 2018
|
-0.6
|
0.0
|
0.0
|
-0.9
|
Hydref 2018
|
0.7
|
0.7
|
0.5
|
0.9
|
Tachwedd 2018
|
-1.2
|
-0.6
|
-1.0
|
-1.4
|
Rhagfyr 2018
|
-0.2
|
-1.6
|
-0.2
|
0.1
|
Ionawr 2019
|
-0.7
|
1.2
|
-0.3
|
-1.0
|
Chwefror 2019
|
-0.8
|
-1.4
|
-1.2
|
-0.8
|
Mawrth 2019
|
-0.4
|
-2.0
|
-0.8
|
-0.2
|
Ebrill 2019
|
1.2
|
0.8
|
0.7
|
1.2
|
Mai 2019
|
-1.3
|
-1.0
|
-0.6
|
-1.8
|
Mehefin 2019
|
1.5
|
1.7
|
2.1
|
1.6
|
Gorffennaf 2019
|
1.7
|
0.8
|
0.4
|
2.2
|
Awst 2019
|
-1.2
|
0.3
|
-0.1
|
-2.4
|
Medi 2019
|
0.9
|
-0.1
|
-0.4
|
2.1
|
Hydref 2019
|
-0.9
|
-0.1
|
1.0
|
-1.7
|
Tachwedd 2019
|
-0.8
|
0.4
|
-0.7
|
-1.4
|
Rhagfyr 2019
|
2.2
|
0.5
|
0.8
|
3.1
|
Ionawr 2020
|
-0.7
|
-1.8
|
-0.8
|
-0.4
|
Chwefror 2020
|
-0.3
|
2.4
|
0.8
|
-1.3
|
Mawrth 2020
|
1.7
|
0.5
|
1.2
|
2.4
|
Ebrill 2020
|
-1.3
|
0.4
|
-1.0
|
-2.0
|
Mai 2020
|
-0.6
|
-1.5
|
-0.6
|
-0.3
|
Mehefin 2020
|
1.4
|
-0.1
|
1.9
|
0.8
|
Gorffennaf 2020
|
0.8
|
1.5
|
0.4
|
1.2
|
Awst 2020
|
1.2
|
1.9
|
1.9
|
0.4
|
Medi 2020
|
0.8
|
0.4
|
0.5
|
0.8
|
Hydref 2020
|
-1.4
|
-0.2
|
-0.7
|
-2.2
|
Tachwedd 2020
|
1.7
|
2.1
|
1.8
|
1.7
|
Rhagfyr 2020
|
-0.1
|
-0.2
|
0.4
|
-0.4
|
Ionawr 2021
|
0.0
|
-1.9
|
-1.2
|
1.2
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai pâr
|
Fflatiau a fflatiau deulawr
|
Ionawr 1995
|
18.5
|
21.7
|
20.3
|
17.9
|
Chwefror 1995
|
18.1
|
21.2
|
20.4
|
16.7
|
Mawrth 1995
|
18.3
|
21.0
|
20.1
|
17.7
|
Ebrill 1995
|
18.5
|
21.1
|
20.2
|
18.0
|
Mai 1995
|
18.7
|
21.4
|
20.5
|
18.2
|
Mehefin 1995
|
18.8
|
21.3
|
20.5
|
18.4
|
Gorffennaf 1995
|
18.9
|
21.8
|
20.7
|
18.2
|
Awst 1995
|
18.8
|
21.6
|
20.6
|
18.1
|
Medi 1995
|
18.6
|
21.5
|
20.4
|
18.0
|
Hydref 1995
|
18.4
|
21.6
|
20.3
|
17.9
|
Tachwedd 1995
|
18.4
|
21.1
|
20.2
|
18.0
|
Rhagfyr 1995
|
18.7
|
21.4
|
20.4
|
18.2
|
Ionawr 1996
|
18.7
|
21.5
|
20.4
|
18.2
|
Chwefror 1996
|
18.9
|
21.5
|
20.7
|
18.5
|
Mawrth 1996
|
18.8
|
21.7
|
20.6
|
18.3
|
Ebrill 1996
|
19.1
|
21.6
|
20.6
|
18.8
|
Mai 1996
|
19.2
|
21.6
|
20.8
|
18.7
|
Mehefin 1996
|
19.4
|
22.0
|
21.0
|
19.2
|
Gorffennaf 1996
|
19.6
|
22.5
|
21.3
|
19.2
|
Awst 1996
|
19.6
|
22.7
|
21.4
|
19.0
|
Medi 1996
|
19.8
|
22.9
|
21.6
|
19.3
|
Hydref 1996
|
19.7
|
23.0
|
21.6
|
19.2
|
Tachwedd 1996
|
19.9
|
22.7
|
21.6
|
19.5
|
Rhagfyr 1996
|
20.2
|
23.0
|
22.1
|
19.7
|
Ionawr 1997
|
20.6
|
23.7
|
22.4
|
20.2
|
Chwefror 1997
|
20.8
|
23.7
|
22.3
|
20.6
|
Mawrth 1997
|
21.0
|
23.9
|
22.6
|
20.7
|
Ebrill 1997
|
21.4
|
24.3
|
23.1
|
21.1
|
Mai 1997
|
22.0
|
25.1
|
23.8
|
21.6
|
Mehefin 1997
|
22.2
|
25.6
|
24.0
|
21.7
|
Gorffennaf 1997
|
22.9
|
26.4
|
24.9
|
22.3
|
Awst 1997
|
22.9
|
26.6
|
25.0
|
22.3
|
Medi 1997
|
23.4
|
27.3
|
25.5
|
22.8
|
Hydref 1997
|
23.3
|
27.3
|
25.6
|
22.7
|
Tachwedd 1997
|
23.6
|
27.8
|
25.8
|
23.1
|
Rhagfyr 1997
|
24.0
|
27.8
|
26.4
|
23.5
|
Ionawr 1998
|
24.3
|
28.6
|
26.5
|
23.7
|
Chwefror 1998
|
24.1
|
27.7
|
26.2
|
23.7
|
Mawrth 1998
|
24.6
|
28.1
|
26.6
|
24.2
|
Ebrill 1998
|
25.1
|
28.9
|
27.3
|
24.7
|
Mai 1998
|
25.1
|
28.6
|
27.4
|
24.5
|
Mehefin 1998
|
25.5
|
29.1
|
27.7
|
25.1
|
Gorffennaf 1998
|
25.9
|
30.1
|
28.4
|
25.3
|
Awst 1998
|
25.8
|
30.5
|
28.3
|
25.2
|
Medi 1998
|
26.0
|
30.4
|
28.4
|
25.3
|
Hydref 1998
|
25.9
|
30.3
|
28.4
|
25.4
|
Tachwedd 1998
|
25.9
|
30.4
|
28.4
|
25.4
|
Rhagfyr 1998
|
26.0
|
29.9
|
28.4
|
25.6
|
Ionawr 1999
|
26.2
|
30.5
|
28.6
|
25.9
|
Chwefror 1999
|
26.1
|
30.3
|
28.4
|
25.8
|
Mawrth 1999
|
26.7
|
30.6
|
28.8
|
26.4
|
Ebrill 1999
|
27.2
|
31.3
|
29.4
|
26.8
|
Mai 1999
|
27.6
|
31.2
|
29.6
|
27.4
|
Mehefin 1999
|
28.1
|
32.3
|
30.4
|
27.7
|
Gorffennaf 1999
|
29.0
|
33.6
|
31.2
|
28.6
|
Awst 1999
|
29.6
|
33.9
|
31.7
|
29.3
|
Medi 1999
|
30.4
|
35.0
|
32.3
|
30.4
|
Hydref 1999
|
30.5
|
35.2
|
32.8
|
30.4
|
Tachwedd 1999
|
31.2
|
35.9
|
33.5
|
31.0
|
Rhagfyr 1999
|
31.8
|
35.7
|
33.7
|
31.8
|
Ionawr 2000
|
32.4
|
37.8
|
35.0
|
31.9
|
Chwefror 2000
|
32.9
|
37.6
|
35.0
|
32.8
|
Mawrth 2000
|
33.3
|
38.3
|
35.7
|
33.0
|
Ebrill 2000
|
34.9
|
39.5
|
36.9
|
35.0
|
Mai 2000
|
35.0
|
40.0
|
37.5
|
34.8
|
Mehefin 2000
|
35.6
|
40.2
|
37.9
|
35.6
|
Gorffennaf 2000
|
36.3
|
42.1
|
38.9
|
36.0
|
Awst 2000
|
36.6
|
42.0
|
39.0
|
36.6
|
Medi 2000
|
36.6
|
42.3
|
38.8
|
36.6
|
Hydref 2000
|
36.2
|
42.3
|
39.1
|
35.9
|
Tachwedd 2000
|
36.7
|
42.3
|
38.7
|
37.0
|
Rhagfyr 2000
|
36.6
|
41.4
|
38.7
|
36.9
|
Ionawr 2001
|
37.1
|
42.2
|
39.3
|
37.3
|
Chwefror 2001
|
37.2
|
42.6
|
39.7
|
37.1
|
Mawrth 2001
|
37.5
|
42.0
|
39.5
|
37.7
|
Ebrill 2001
|
38.0
|
42.7
|
39.8
|
38.1
|
Mai 2001
|
39.0
|
43.1
|
40.7
|
39.4
|
Mehefin 2001
|
39.4
|
43.3
|
41.1
|
40.1
|
Gorffennaf 2001
|
40.0
|
45.3
|
42.3
|
40.2
|
Awst 2001
|
40.9
|
45.8
|
42.8
|
41.2
|
Medi 2001
|
40.9
|
46.3
|
43.0
|
41.2
|
Hydref 2001
|
41.2
|
46.9
|
43.6
|
41.4
|
Tachwedd 2001
|
41.5
|
46.6
|
43.8
|
41.9
|
Rhagfyr 2001
|
41.6
|
45.8
|
43.5
|
42.4
|
Ionawr 2002
|
42.2
|
47.4
|
44.6
|
42.5
|
Chwefror 2002
|
42.3
|
46.7
|
44.4
|
42.8
|
Mawrth 2002
|
42.9
|
47.3
|
44.9
|
43.4
|
Ebrill 2002
|
44.2
|
48.4
|
46.0
|
45.2
|
Mai 2002
|
45.4
|
49.4
|
47.4
|
46.2
|
Mehefin 2002
|
46.2
|
49.7
|
47.6
|
47.4
|
Gorffennaf 2002
|
47.4
|
52.4
|
49.6
|
48.0
|
Awst 2002
|
48.5
|
53.1
|
50.7
|
49.0
|
Medi 2002
|
48.9
|
53.7
|
51.4
|
49.4
|
Hydref 2002
|
49.4
|
54.4
|
52.3
|
49.7
|
Tachwedd 2002
|
50.3
|
55.5
|
52.7
|
50.9
|
Rhagfyr 2002
|
50.5
|
54.9
|
53.5
|
51.0
|
Ionawr 2003
|
51.4
|
56.4
|
54.0
|
51.7
|
Chwefror 2003
|
51.2
|
55.8
|
54.4
|
51.6
|
Mawrth 2003
|
51.0
|
55.9
|
54.0
|
51.2
|
Ebrill 2003
|
51.6
|
55.9
|
54.7
|
52.0
|
Mai 2003
|
52.3
|
56.4
|
55.4
|
52.3
|
Mehefin 2003
|
51.9
|
56.2
|
54.9
|
52.2
|
Gorffennaf 2003
|
53.1
|
57.4
|
56.4
|
53.1
|
Awst 2003
|
52.8
|
57.0
|
56.0
|
52.8
|
Medi 2003
|
52.8
|
57.7
|
56.4
|
52.6
|
Hydref 2003
|
53.3
|
57.5
|
56.7
|
53.1
|
Tachwedd 2003
|
53.5
|
57.2
|
56.6
|
53.5
|
Rhagfyr 2003
|
53.9
|
56.6
|
56.8
|
54.2
|
Ionawr 2004
|
54.3
|
58.4
|
57.5
|
54.3
|
Chwefror 2004
|
54.6
|
58.5
|
57.9
|
54.4
|
Mawrth 2004
|
54.9
|
58.1
|
57.5
|
55.1
|
Ebrill 2004
|
56.1
|
58.6
|
59.0
|
55.9
|
Mai 2004
|
56.4
|
57.9
|
59.2
|
56.6
|
Mehefin 2004
|
57.1
|
59.0
|
59.7
|
57.4
|
Gorffennaf 2004
|
58.1
|
60.2
|
61.1
|
57.9
|
Awst 2004
|
58.3
|
60.9
|
61.2
|
58.2
|
Medi 2004
|
58.1
|
60.7
|
61.1
|
58.0
|
Hydref 2004
|
57.7
|
60.3
|
60.7
|
57.5
|
Tachwedd 2004
|
58.3
|
60.4
|
61.0
|
58.3
|
Rhagfyr 2004
|
57.1
|
59.4
|
59.8
|
57.1
|
Ionawr 2005
|
57.7
|
60.3
|
60.3
|
57.6
|
Chwefror 2005
|
57.4
|
59.6
|
60.1
|
57.4
|
Mawrth 2005
|
57.4
|
59.2
|
59.8
|
57.4
|
Ebrill 2005
|
58.4
|
59.6
|
60.8
|
58.4
|
Mai 2005
|
58.5
|
60.2
|
61.1
|
58.4
|
Mehefin 2005
|
58.6
|
59.6
|
60.9
|
58.3
|
Gorffennaf 2005
|
59.0
|
60.4
|
61.6
|
58.8
|
Awst 2005
|
59.1
|
60.5
|
61.2
|
59.0
|
Medi 2005
|
58.8
|
60.8
|
61.5
|
58.4
|
Hydref 2005
|
58.2
|
59.6
|
60.6
|
57.9
|
Tachwedd 2005
|
58.7
|
59.9
|
61.1
|
58.5
|
Rhagfyr 2005
|
59.2
|
59.0
|
60.5
|
59.6
|
Ionawr 2006
|
59.5
|
61.1
|
61.8
|
59.3
|
Chwefror 2006
|
59.4
|
60.3
|
61.4
|
59.4
|
Mawrth 2006
|
59.9
|
61.1
|
61.9
|
59.8
|
Ebrill 2006
|
60.9
|
61.3
|
62.8
|
60.9
|
Mai 2006
|
61.5
|
61.9
|
63.1
|
61.6
|
Mehefin 2006
|
62.4
|
62.7
|
63.8
|
62.5
|
Gorffennaf 2006
|
63.0
|
63.6
|
64.9
|
62.7
|
Awst 2006
|
63.7
|
64.4
|
65.5
|
63.6
|
Medi 2006
|
63.9
|
65.0
|
65.7
|
63.9
|
Hydref 2006
|
64.3
|
65.0
|
66.0
|
64.4
|
Tachwedd 2006
|
64.2
|
65.2
|
66.2
|
64.0
|
Rhagfyr 2006
|
65.7
|
66.1
|
67.1
|
65.8
|
Ionawr 2007
|
66.4
|
66.8
|
67.7
|
66.6
|
Chwefror 2007
|
67.2
|
67.5
|
68.4
|
67.7
|
Mawrth 2007
|
67.9
|
68.1
|
69.0
|
68.1
|
Ebrill 2007
|
69.2
|
69.0
|
70.1
|
69.4
|
Mai 2007
|
70.2
|
69.3
|
70.8
|
70.8
|
Mehefin 2007
|
71.0
|
70.6
|
71.5
|
71.6
|
Gorffennaf 2007
|
73.4
|
73.7
|
74.4
|
73.8
|
Awst 2007
|
73.9
|
73.5
|
74.2
|
74.4
|
Medi 2007
|
74.1
|
74.4
|
74.5
|
74.8
|
Hydref 2007
|
74.1
|
74.8
|
74.5
|
74.8
|
Tachwedd 2007
|
73.9
|
75.4
|
75.2
|
74.2
|
Rhagfyr 2007
|
74.0
|
74.2
|
74.7
|
74.7
|
Ionawr 2008
|
74.1
|
75.6
|
75.0
|
74.5
|
Chwefror 2008
|
73.4
|
74.4
|
74.4
|
73.9
|
Mawrth 2008
|
72.9
|
73.7
|
74.1
|
73.0
|
Ebrill 2008
|
73.1
|
75.0
|
74.1
|
73.3
|
Mai 2008
|
73.3
|
74.0
|
74.3
|
73.6
|
Mehefin 2008
|
72.0
|
73.0
|
73.1
|
72.1
|
Gorffennaf 2008
|
72.0
|
73.5
|
72.8
|
72.6
|
Awst 2008
|
69.9
|
71.6
|
71.2
|
70.2
|
Medi 2008
|
68.6
|
70.5
|
69.3
|
69.2
|
Hydref 2008
|
66.3
|
68.2
|
67.0
|
67.1
|
Tachwedd 2008
|
64.2
|
66.3
|
65.4
|
64.4
|
Rhagfyr 2008
|
63.0
|
64.6
|
64.4
|
63.1
|
Ionawr 2009
|
62.8
|
65.2
|
63.8
|
63.4
|
Chwefror 2009
|
62.0
|
62.6
|
62.8
|
62.7
|
Mawrth 2009
|
61.4
|
62.0
|
61.8
|
62.3
|
Ebrill 2009
|
60.9
|
61.4
|
61.8
|
61.4
|
Mai 2009
|
62.1
|
62.2
|
62.7
|
62.8
|
Mehefin 2009
|
63.0
|
63.0
|
63.5
|
63.3
|
Gorffennaf 2009
|
64.5
|
65.2
|
65.7
|
64.4
|
Awst 2009
|
65.1
|
66.2
|
66.6
|
64.8
|
Medi 2009
|
66.4
|
66.9
|
67.1
|
66.8
|
Hydref 2009
|
66.7
|
67.9
|
68.2
|
66.5
|
Tachwedd 2009
|
66.2
|
67.4
|
67.4
|
65.9
|
Rhagfyr 2009
|
67.0
|
67.6
|
68.6
|
66.6
|
Ionawr 2010
|
69.4
|
70.7
|
71.0
|
68.9
|
Chwefror 2010
|
69.2
|
70.5
|
71.1
|
68.5
|
Mawrth 2010
|
69.6
|
71.7
|
71.2
|
69.3
|
Ebrill 2010
|
70.0
|
71.4
|
71.6
|
69.6
|
Mai 2010
|
69.9
|
71.6
|
71.6
|
69.3
|
Mehefin 2010
|
70.6
|
72.1
|
72.0
|
70.1
|
Gorffennaf 2010
|
72.7
|
75.4
|
74.5
|
71.7
|
Awst 2010
|
72.2
|
74.3
|
74.7
|
71.1
|
Medi 2010
|
72.0
|
75.2
|
74.2
|
70.9
|
Hydref 2010
|
71.0
|
73.8
|
73.2
|
70.1
|
Tachwedd 2010
|
70.1
|
73.4
|
72.8
|
69.2
|
Rhagfyr 2010
|
70.8
|
73.3
|
73.0
|
70.1
|
Ionawr 2011
|
71.5
|
75.5
|
73.6
|
70.5
|
Chwefror 2011
|
70.8
|
74.8
|
72.9
|
70.2
|
Mawrth 2011
|
71.3
|
75.3
|
72.5
|
71.1
|
Ebrill 2011
|
73.0
|
74.9
|
73.5
|
73.2
|
Mai 2011
|
70.7
|
72.6
|
72.6
|
70.2
|
Mehefin 2011
|
71.0
|
71.9
|
72.2
|
70.8
|
Gorffennaf 2011
|
73.4
|
74.7
|
74.3
|
73.4
|
Awst 2011
|
73.2
|
75.2
|
75.0
|
72.3
|
Medi 2011
|
73.3
|
76.2
|
74.9
|
72.6
|
Hydref 2011
|
72.6
|
76.1
|
75.0
|
71.7
|
Tachwedd 2011
|
72.2
|
75.2
|
74.0
|
71.9
|
Rhagfyr 2011
|
72.6
|
74.5
|
74.4
|
72.1
|
Ionawr 2012
|
73.1
|
74.6
|
74.8
|
72.5
|
Chwefror 2012
|
72.6
|
76.6
|
75.2
|
71.3
|
Mawrth 2012
|
72.1
|
73.2
|
73.2
|
71.6
|
Ebrill 2012
|
74.2
|
75.6
|
75.2
|
74.1
|
Mai 2012
|
75.5
|
76.7
|
76.7
|
75.0
|
Mehefin 2012
|
76.2
|
76.4
|
76.6
|
75.8
|
Gorffennaf 2012
|
76.7
|
78.0
|
77.7
|
76.0
|
Awst 2012
|
77.0
|
78.3
|
78.2
|
76.2
|
Medi 2012
|
76.6
|
78.0
|
77.5
|
76.0
|
Hydref 2012
|
77.0
|
78.1
|
77.9
|
76.6
|
Tachwedd 2012
|
76.6
|
78.0
|
77.7
|
76.0
|
Rhagfyr 2012
|
77.9
|
78.6
|
78.1
|
77.6
|
Ionawr 2013
|
77.3
|
78.7
|
78.7
|
76.6
|
Chwefror 2013
|
77.8
|
78.7
|
78.3
|
77.6
|
Mawrth 2013
|
77.5
|
79.0
|
78.4
|
77.1
|
Ebrill 2013
|
79.7
|
79.7
|
79.3
|
79.8
|
Mai 2013
|
80.0
|
80.8
|
80.5
|
79.8
|
Mehefin 2013
|
80.6
|
80.8
|
80.6
|
80.3
|
Gorffennaf 2013
|
82.7
|
82.3
|
82.3
|
82.6
|
Awst 2013
|
83.3
|
83.5
|
83.7
|
82.9
|
Medi 2013
|
84.5
|
84.5
|
83.5
|
84.7
|
Hydref 2013
|
84.4
|
84.6
|
84.4
|
84.5
|
Tachwedd 2013
|
85.3
|
84.9
|
85.1
|
85.5
|
Rhagfyr 2013
|
87.4
|
85.1
|
86.0
|
88.2
|
Ionawr 2014
|
88.3
|
87.7
|
87.7
|
88.6
|
Chwefror 2014
|
88.8
|
88.5
|
88.1
|
89.3
|
Mawrth 2014
|
89.7
|
88.3
|
88.5
|
90.3
|
Ebrill 2014
|
93.2
|
92.6
|
92.3
|
93.3
|
Mai 2014
|
95.0
|
93.1
|
93.5
|
95.6
|
Mehefin 2014
|
96.1
|
94.0
|
94.6
|
96.6
|
Gorffennaf 2014
|
99.0
|
98.0
|
98.6
|
98.8
|
Awst 2014
|
100.5
|
99.4
|
99.9
|
100.3
|
Medi 2014
|
100.2
|
99.4
|
99.3
|
100.2
|
Hydref 2014
|
99.9
|
99.7
|
99.8
|
99.7
|
Tachwedd 2014
|
99.5
|
100.0
|
100.0
|
99.1
|
Rhagfyr 2014
|
100.0
|
99.5
|
99.5
|
100.1
|
Ionawr 2015
|
100.0
|
100.0
|
100.0
|
100.0
|
Chwefror 2015
|
100.5
|
100.7
|
100.4
|
100.5
|
Mawrth 2015
|
100.5
|
100.4
|
100.5
|
100.5
|
Ebrill 2015
|
101.9
|
102.2
|
101.8
|
101.6
|
Mai 2015
|
103.2
|
102.0
|
102.9
|
103.4
|
Mehefin 2015
|
104.1
|
103.8
|
104.5
|
103.3
|
Gorffennaf 2015
|
107.2
|
106.0
|
107.3
|
106.5
|
Awst 2015
|
108.3
|
108.4
|
109.1
|
107.2
|
Medi 2015
|
109.2
|
110.4
|
109.6
|
108.4
|
Hydref 2015
|
109.3
|
110.9
|
111.3
|
107.6
|
Tachwedd 2015
|
110.6
|
111.5
|
112.0
|
109.3
|
Rhagfyr 2015
|
111.7
|
113.6
|
113.7
|
110.2
|
Ionawr 2016
|
113.6
|
113.9
|
115.9
|
112.2
|
Chwefror 2016
|
113.6
|
116.2
|
116.6
|
111.6
|
Mawrth 2016
|
115.3
|
117.5
|
116.5
|
114.1
|
Ebrill 2016
|
114.4
|
115.6
|
116.9
|
112.5
|
Mai 2016
|
116.0
|
116.3
|
118.2
|
114.5
|
Mehefin 2016
|
116.2
|
119.0
|
118.7
|
114.2
|
Gorffennaf 2016
|
118.0
|
120.1
|
121.4
|
115.6
|
Awst 2016
|
117.2
|
119.6
|
120.5
|
114.9
|
Medi 2016
|
117.1
|
118.9
|
119.8
|
115.2
|
Hydref 2016
|
116.9
|
118.8
|
119.9
|
115.4
|
Tachwedd 2016
|
116.9
|
119.2
|
119.1
|
115.7
|
Rhagfyr 2016
|
117.3
|
119.3
|
119.2
|
116.1
|
Ionawr 2017
|
118.1
|
120.2
|
120.6
|
116.6
|
Chwefror 2017
|
118.3
|
119.4
|
119.4
|
118.1
|
Mawrth 2017
|
118.0
|
120.2
|
120.1
|
116.9
|
Ebrill 2017
|
119.1
|
120.9
|
120.3
|
118.4
|
Mai 2017
|
119.4
|
119.8
|
121.1
|
118.9
|
Mehefin 2017
|
119.2
|
119.8
|
120.6
|
118.3
|
Gorffennaf 2017
|
121.3
|
121.5
|
123.4
|
120.2
|
Awst 2017
|
120.9
|
121.7
|
122.9
|
119.4
|
Medi 2017
|
120.1
|
122.8
|
122.6
|
118.5
|
Hydref 2017
|
119.6
|
122.2
|
123.0
|
117.8
|
Tachwedd 2017
|
118.2
|
120.1
|
121.5
|
116.6
|
Rhagfyr 2017
|
118.4
|
120.9
|
121.5
|
116.6
|
Ionawr 2018
|
119.1
|
120.5
|
122.2
|
117.7
|
Chwefror 2018
|
118.6
|
120.8
|
121.7
|
117.0
|
Mawrth 2018
|
117.2
|
119.7
|
121.2
|
115.1
|
Ebrill 2018
|
118.5
|
120.9
|
122.7
|
116.2
|
Mai 2018
|
118.8
|
121.5
|
123.3
|
116.1
|
Mehefin 2018
|
119.1
|
122.3
|
124.5
|
116.4
|
Gorffennaf 2018
|
120.3
|
125.0
|
125.4
|
117.3
|
Awst 2018
|
119.0
|
122.7
|
123.7
|
116.3
|
Medi 2018
|
118.3
|
122.8
|
123.7
|
115.2
|
Hydref 2018
|
119.2
|
123.6
|
124.3
|
116.2
|
Tachwedd 2018
|
117.8
|
122.9
|
123.1
|
114.6
|
Rhagfyr 2018
|
117.5
|
121.0
|
122.9
|
114.7
|
Ionawr 2019
|
116.7
|
122.4
|
122.5
|
113.6
|
Chwefror 2019
|
115.7
|
120.7
|
121.0
|
112.7
|
Mawrth 2019
|
115.2
|
118.3
|
120.0
|
112.4
|
Ebrill 2019
|
116.6
|
119.3
|
120.9
|
113.8
|
Mai 2019
|
115.1
|
118.1
|
120.2
|
111.8
|
Mehefin 2019
|
116.8
|
120.0
|
122.8
|
113.5
|
Gorffennaf 2019
|
118.8
|
121.1
|
123.2
|
116.0
|
Awst 2019
|
117.4
|
121.4
|
123.0
|
113.3
|
Medi 2019
|
118.4
|
121.3
|
122.6
|
115.6
|
Hydref 2019
|
117.3
|
121.2
|
123.8
|
113.7
|
Tachwedd 2019
|
116.4
|
121.7
|
122.9
|
112.1
|
Rhagfyr 2019
|
118.9
|
122.2
|
123.9
|
115.6
|
Ionawr 2020
|
118.2
|
120.0
|
122.9
|
115.1
|
Chwefror 2020
|
117.8
|
122.8
|
123.9
|
113.6
|
Mawrth 2020
|
119.8
|
123.4
|
125.4
|
116.4
|
Ebrill 2020
|
118.2
|
124.0
|
124.0
|
114.1
|
Mai 2020
|
117.5
|
122.1
|
123.3
|
113.7
|
Mehefin 2020
|
119.1
|
122.0
|
125.7
|
114.6
|
Gorffennaf 2020
|
120.1
|
123.8
|
126.1
|
116.0
|
Awst 2020
|
121.5
|
126.2
|
128.5
|
116.5
|
Medi 2020
|
122.4
|
126.6
|
129.2
|
117.5
|
Hydref 2020
|
120.7
|
126.4
|
128.3
|
115.0
|
Tachwedd 2020
|
122.8
|
129.1
|
130.6
|
116.9
|
Rhagfyr 2020
|
122.7
|
128.8
|
131.2
|
116.4
|
Ionawr 2021
|
122.7
|
126.3
|
129.6
|
117.8
|
Statws y prynwr
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol yn ôl y math o brynwr e.e. Prynwr am y Tro Cyntaf neu Gyn Berchen-Feddiannydd
Dyddiad
|
Cyn berchen-feddianwyr
|
Ionawr 1995
|
|
Chwefror 1995
|
|
Mawrth 1995
|
|
Ebrill 1995
|
|
Mai 1995
|
|
Mehefin 1995
|
|
Gorffennaf 1995
|
|
Awst 1995
|
|
Medi 1995
|
|
Hydref 1995
|
|
Tachwedd 1995
|
|
Rhagfyr 1995
|
|
Ionawr 1996
|
|
Chwefror 1996
|
|
Mawrth 1996
|
|
Ebrill 1996
|
|
Mai 1996
|
|
Mehefin 1996
|
|
Gorffennaf 1996
|
|
Awst 1996
|
|
Medi 1996
|
|
Hydref 1996
|
|
Tachwedd 1996
|
|
Rhagfyr 1996
|
|
Ionawr 1997
|
|
Chwefror 1997
|
|
Mawrth 1997
|
|
Ebrill 1997
|
|
Mai 1997
|
|
Mehefin 1997
|
|
Gorffennaf 1997
|
|
Awst 1997
|
|
Medi 1997
|
|
Hydref 1997
|
|
Tachwedd 1997
|
|
Rhagfyr 1997
|
|
Ionawr 1998
|
|
Chwefror 1998
|
|
Mawrth 1998
|
|
Ebrill 1998
|
|
Mai 1998
|
|
Mehefin 1998
|
|
Gorffennaf 1998
|
|
Awst 1998
|
|
Medi 1998
|
|
Hydref 1998
|
|
Tachwedd 1998
|
|
Rhagfyr 1998
|
|
Ionawr 1999
|
|
Chwefror 1999
|
|
Mawrth 1999
|
|
Ebrill 1999
|
|
Mai 1999
|
|
Mehefin 1999
|
|
Gorffennaf 1999
|
|
Awst 1999
|
|
Medi 1999
|
|
Hydref 1999
|
|
Tachwedd 1999
|
|
Rhagfyr 1999
|
|
Ionawr 2000
|
|
Chwefror 2000
|
|
Mawrth 2000
|
|
Ebrill 2000
|
|
Mai 2000
|
|
Mehefin 2000
|
|
Gorffennaf 2000
|
|
Awst 2000
|
|
Medi 2000
|
|
Hydref 2000
|
|
Tachwedd 2000
|
|
Rhagfyr 2000
|
|
Ionawr 2001
|
|
Chwefror 2001
|
|
Mawrth 2001
|
|
Ebrill 2001
|
|
Mai 2001
|
|
Mehefin 2001
|
|
Gorffennaf 2001
|
|
Awst 2001
|
|
Medi 2001
|
|
Hydref 2001
|
|
Tachwedd 2001
|
|
Rhagfyr 2001
|
|
Ionawr 2002
|
|
Chwefror 2002
|
|
Mawrth 2002
|
|
Ebrill 2002
|
|
Mai 2002
|
|
Mehefin 2002
|
|
Gorffennaf 2002
|
|
Awst 2002
|
|
Medi 2002
|
|
Hydref 2002
|
|
Tachwedd 2002
|
|
Rhagfyr 2002
|
|
Ionawr 2003
|
|
Chwefror 2003
|
|
Mawrth 2003
|
|
Ebrill 2003
|
|
Mai 2003
|
|
Mehefin 2003
|
|
Gorffennaf 2003
|
|
Awst 2003
|
|
Medi 2003
|
|
Hydref 2003
|
|
Tachwedd 2003
|
|
Rhagfyr 2003
|
|
Ionawr 2004
|
|
Chwefror 2004
|
|
Mawrth 2004
|
|
Ebrill 2004
|
|
Mai 2004
|
|
Mehefin 2004
|
|
Gorffennaf 2004
|
|
Awst 2004
|
|
Medi 2004
|
|
Hydref 2004
|
|
Tachwedd 2004
|
|
Rhagfyr 2004
|
|
Ionawr 2005
|
|
Chwefror 2005
|
|
Mawrth 2005
|
|
Ebrill 2005
|
|
Mai 2005
|
|
Mehefin 2005
|
|
Gorffennaf 2005
|
|
Awst 2005
|
|
Medi 2005
|
|
Hydref 2005
|
|
Tachwedd 2005
|
|
Rhagfyr 2005
|
|
Ionawr 2006
|
|
Chwefror 2006
|
|
Mawrth 2006
|
|
Ebrill 2006
|
|
Mai 2006
|
|
Mehefin 2006
|
|
Gorffennaf 2006
|
|
Awst 2006
|
|
Medi 2006
|
|
Hydref 2006
|
|
Tachwedd 2006
|
|
Rhagfyr 2006
|
|
Ionawr 2007
|
|
Chwefror 2007
|
|
Mawrth 2007
|
|
Ebrill 2007
|
|
Mai 2007
|
|
Mehefin 2007
|
|
Gorffennaf 2007
|
|
Awst 2007
|
|
Medi 2007
|
|
Hydref 2007
|
|
Tachwedd 2007
|
|
Rhagfyr 2007
|
|
Ionawr 2008
|
|
Chwefror 2008
|
|
Mawrth 2008
|
|
Ebrill 2008
|
|
Mai 2008
|
|
Mehefin 2008
|
|
Gorffennaf 2008
|
|
Awst 2008
|
|
Medi 2008
|
|
Hydref 2008
|
|
Tachwedd 2008
|
|
Rhagfyr 2008
|
|
Ionawr 2009
|
|
Chwefror 2009
|
|
Mawrth 2009
|
|
Ebrill 2009
|
|
Mai 2009
|
|
Mehefin 2009
|
|
Gorffennaf 2009
|
|
Awst 2009
|
|
Medi 2009
|
|
Hydref 2009
|
|
Tachwedd 2009
|
|
Rhagfyr 2009
|
|
Ionawr 2010
|
|
Chwefror 2010
|
|
Mawrth 2010
|
|
Ebrill 2010
|
|
Mai 2010
|
|
Mehefin 2010
|
|
Gorffennaf 2010
|
|
Awst 2010
|
|
Medi 2010
|
|
Hydref 2010
|
|
Tachwedd 2010
|
|
Rhagfyr 2010
|
|
Ionawr 2011
|
|
Chwefror 2011
|
|
Mawrth 2011
|
|
Ebrill 2011
|
|
Mai 2011
|
|
Mehefin 2011
|
|
Gorffennaf 2011
|
|
Awst 2011
|
|
Medi 2011
|
|
Hydref 2011
|
|
Tachwedd 2011
|
|
Rhagfyr 2011
|
|
Ionawr 2012
|
333552.0
|
Chwefror 2012
|
332942.0
|
Mawrth 2012
|
328100.0
|
Ebrill 2012
|
338757.0
|
Mai 2012
|
343849.0
|
Mehefin 2012
|
347552.0
|
Gorffennaf 2012
|
350051.0
|
Awst 2012
|
351708.0
|
Medi 2012
|
349334.0
|
Hydref 2012
|
351412.0
|
Tachwedd 2012
|
349801.0
|
Rhagfyr 2012
|
355195.0
|
Ionawr 2013
|
353208.0
|
Chwefror 2013
|
354626.0
|
Mawrth 2013
|
353788.0
|
Ebrill 2013
|
362859.0
|
Mai 2013
|
364819.0
|
Mehefin 2013
|
367284.0
|
Gorffennaf 2013
|
377004.0
|
Awst 2013
|
380438.0
|
Medi 2013
|
384559.0
|
Hydref 2013
|
384574.0
|
Tachwedd 2013
|
388798.0
|
Rhagfyr 2013
|
396519.0
|
Ionawr 2014
|
401746.0
|
Chwefror 2014
|
403681.0
|
Mawrth 2014
|
407379.0
|
Ebrill 2014
|
423645.0
|
Mai 2014
|
431341.0
|
Mehefin 2014
|
436610.0
|
Gorffennaf 2014
|
450479.0
|
Awst 2014
|
457036.0
|
Medi 2014
|
455192.0
|
Hydref 2014
|
454193.0
|
Tachwedd 2014
|
452486.0
|
Rhagfyr 2014
|
454133.0
|
Ionawr 2015
|
454634.0
|
Chwefror 2015
|
457079.0
|
Mawrth 2015
|
456610.0
|
Ebrill 2015
|
463282.0
|
Mai 2015
|
468484.0
|
Mehefin 2015
|
473449.0
|
Gorffennaf 2015
|
486503.0
|
Awst 2015
|
492001.0
|
Medi 2015
|
496408.0
|
Hydref 2015
|
497422.0
|
Tachwedd 2015
|
502963.0
|
Rhagfyr 2015
|
507694.0
|
Ionawr 2016
|
516461.0
|
Chwefror 2016
|
516280.0
|
Mawrth 2016
|
523800.0
|
Ebrill 2016
|
519336.0
|
Mai 2016
|
525733.0
|
Mehefin 2016
|
527124.0
|
Gorffennaf 2016
|
535932.0
|
Awst 2016
|
531067.0
|
Medi 2016
|
531542.0
|
Hydref 2016
|
530019.0
|
Tachwedd 2016
|
530429.0
|
Rhagfyr 2016
|
531806.0
|
Ionawr 2017
|
535984.0
|
Chwefror 2017
|
535529.0
|
Mawrth 2017
|
534948.0
|
Ebrill 2017
|
540184.0
|
Mai 2017
|
539487.0
|
Mehefin 2017
|
538980.0
|
Gorffennaf 2017
|
548981.0
|
Awst 2017
|
548396.0
|
Medi 2017
|
544524.0
|
Hydref 2017
|
543586.0
|
Tachwedd 2017
|
536282.0
|
Rhagfyr 2017
|
536753.0
|
Ionawr 2018
|
540413.0
|
Chwefror 2018
|
536582.0
|
Mawrth 2018
|
531876.0
|
Ebrill 2018
|
537766.0
|
Mai 2018
|
539525.0
|
Mehefin 2018
|
541684.0
|
Gorffennaf 2018
|
548226.0
|
Awst 2018
|
541476.0
|
Medi 2018
|
539053.0
|
Hydref 2018
|
541590.0
|
Tachwedd 2018
|
536757.0
|
Rhagfyr 2018
|
533328.0
|
Ionawr 2019
|
531476.0
|
Chwefror 2019
|
525234.0
|
Mawrth 2019
|
522932.0
|
Ebrill 2019
|
529664.0
|
Mai 2019
|
524217.0
|
Mehefin 2019
|
532444.0
|
Gorffennaf 2019
|
539583.0
|
Awst 2019
|
535194.0
|
Medi 2019
|
538223.0
|
Hydref 2019
|
534255.0
|
Tachwedd 2019
|
532633.0
|
Rhagfyr 2019
|
541665.0
|
Ionawr 2020
|
537394.0
|
Chwefror 2020
|
537553.0
|
Mawrth 2020
|
545839.0
|
Ebrill 2020
|
539998.0
|
Mai 2020
|
535117.0
|
Mehefin 2020
|
544188.0
|
Gorffennaf 2020
|
548782.0
|
Awst 2020
|
557134.0
|
Medi 2020
|
560999.0
|
Hydref 2020
|
553251.0
|
Tachwedd 2020
|
563832.0
|
Rhagfyr 2020
|
562564.0
|
Ionawr 2021
|
559949.0
|
Dyddiad
|
Cyn berchen-feddianwyr
|
Ionawr 1995
|
|
Chwefror 1995
|
|
Mawrth 1995
|
|
Ebrill 1995
|
|
Mai 1995
|
|
Mehefin 1995
|
|
Gorffennaf 1995
|
|
Awst 1995
|
|
Medi 1995
|
|
Hydref 1995
|
|
Tachwedd 1995
|
|
Rhagfyr 1995
|
|
Ionawr 1996
|
|
Chwefror 1996
|
|
Mawrth 1996
|
|
Ebrill 1996
|
|
Mai 1996
|
|
Mehefin 1996
|
|
Gorffennaf 1996
|
|
Awst 1996
|
|
Medi 1996
|
|
Hydref 1996
|
|
Tachwedd 1996
|
|
Rhagfyr 1996
|
|
Ionawr 1997
|
|
Chwefror 1997
|
|
Mawrth 1997
|
|
Ebrill 1997
|
|
Mai 1997
|
|
Mehefin 1997
|
|
Gorffennaf 1997
|
|
Awst 1997
|
|
Medi 1997
|
|
Hydref 1997
|
|
Tachwedd 1997
|
|
Rhagfyr 1997
|
|
Ionawr 1998
|
|
Chwefror 1998
|
|
Mawrth 1998
|
|
Ebrill 1998
|
|
Mai 1998
|
|
Mehefin 1998
|
|
Gorffennaf 1998
|
|
Awst 1998
|
|
Medi 1998
|
|
Hydref 1998
|
|
Tachwedd 1998
|
|
Rhagfyr 1998
|
|
Ionawr 1999
|
|
Chwefror 1999
|
|
Mawrth 1999
|
|
Ebrill 1999
|
|
Mai 1999
|
|
Mehefin 1999
|
|
Gorffennaf 1999
|
|
Awst 1999
|
|
Medi 1999
|
|
Hydref 1999
|
|
Tachwedd 1999
|
|
Rhagfyr 1999
|
|
Ionawr 2000
|
|
Chwefror 2000
|
|
Mawrth 2000
|
|
Ebrill 2000
|
|
Mai 2000
|
|
Mehefin 2000
|
|
Gorffennaf 2000
|
|
Awst 2000
|
|
Medi 2000
|
|
Hydref 2000
|
|
Tachwedd 2000
|
|
Rhagfyr 2000
|
|
Ionawr 2001
|
|
Chwefror 2001
|
|
Mawrth 2001
|
|
Ebrill 2001
|
|
Mai 2001
|
|
Mehefin 2001
|
|
Gorffennaf 2001
|
|
Awst 2001
|
|
Medi 2001
|
|
Hydref 2001
|
|
Tachwedd 2001
|
|
Rhagfyr 2001
|
|
Ionawr 2002
|
|
Chwefror 2002
|
|
Mawrth 2002
|
|
Ebrill 2002
|
|
Mai 2002
|
|
Mehefin 2002
|
|
Gorffennaf 2002
|
|
Awst 2002
|
|
Medi 2002
|
|
Hydref 2002
|
|
Tachwedd 2002
|
|
Rhagfyr 2002
|
|
Ionawr 2003
|
|
Chwefror 2003
|
|
Mawrth 2003
|
|
Ebrill 2003
|
|
Mai 2003
|
|
Mehefin 2003
|
|
Gorffennaf 2003
|
|
Awst 2003
|
|
Medi 2003
|
|
Hydref 2003
|
|
Tachwedd 2003
|
|
Rhagfyr 2003
|
|
Ionawr 2004
|
|
Chwefror 2004
|
|
Mawrth 2004
|
|
Ebrill 2004
|
|
Mai 2004
|
|
Mehefin 2004
|
|
Gorffennaf 2004
|
|
Awst 2004
|
|
Medi 2004
|
|
Hydref 2004
|
|
Tachwedd 2004
|
|
Rhagfyr 2004
|
|
Ionawr 2005
|
|
Chwefror 2005
|
|
Mawrth 2005
|
|
Ebrill 2005
|
|
Mai 2005
|
|
Mehefin 2005
|
|
Gorffennaf 2005
|
|
Awst 2005
|
|
Medi 2005
|
|
Hydref 2005
|
|
Tachwedd 2005
|
|
Rhagfyr 2005
|
|
Ionawr 2006
|
|
Chwefror 2006
|
|
Mawrth 2006
|
|
Ebrill 2006
|
|
Mai 2006
|
|
Mehefin 2006
|
|
Gorffennaf 2006
|
|
Awst 2006
|
|
Medi 2006
|
|
Hydref 2006
|
|
Tachwedd 2006
|
|
Rhagfyr 2006
|
|
Ionawr 2007
|
|
Chwefror 2007
|
|
Mawrth 2007
|
|
Ebrill 2007
|
|
Mai 2007
|
|
Mehefin 2007
|
|
Gorffennaf 2007
|
|
Awst 2007
|
|
Medi 2007
|
|
Hydref 2007
|
|
Tachwedd 2007
|
|
Rhagfyr 2007
|
|
Ionawr 2008
|
|
Chwefror 2008
|
|
Mawrth 2008
|
|
Ebrill 2008
|
|
Mai 2008
|
|
Mehefin 2008
|
|
Gorffennaf 2008
|
|
Awst 2008
|
|
Medi 2008
|
|
Hydref 2008
|
|
Tachwedd 2008
|
|
Rhagfyr 2008
|
|
Ionawr 2009
|
|
Chwefror 2009
|
|
Mawrth 2009
|
|
Ebrill 2009
|
|
Mai 2009
|
|
Mehefin 2009
|
|
Gorffennaf 2009
|
|
Awst 2009
|
|
Medi 2009
|
|
Hydref 2009
|
|
Tachwedd 2009
|
|
Rhagfyr 2009
|
|
Ionawr 2010
|
|
Chwefror 2010
|
|
Mawrth 2010
|
|
Ebrill 2010
|
|
Mai 2010
|
|
Mehefin 2010
|
|
Gorffennaf 2010
|
|
Awst 2010
|
|
Medi 2010
|
|
Hydref 2010
|
|
Tachwedd 2010
|
|
Rhagfyr 2010
|
|
Ionawr 2011
|
|
Chwefror 2011
|
|
Mawrth 2011
|
|
Ebrill 2011
|
|
Mai 2011
|
|
Mehefin 2011
|
|
Gorffennaf 2011
|
|
Awst 2011
|
|
Medi 2011
|
|
Hydref 2011
|
|
Tachwedd 2011
|
|
Rhagfyr 2011
|
|
Ionawr 2012
|
|
Chwefror 2012
|
|
Mawrth 2012
|
|
Ebrill 2012
|
|
Mai 2012
|
|
Mehefin 2012
|
|
Gorffennaf 2012
|
|
Awst 2012
|
|
Medi 2012
|
|
Hydref 2012
|
|
Tachwedd 2012
|
|
Rhagfyr 2012
|
|
Ionawr 2013
|
5.9
|
Chwefror 2013
|
6.5
|
Mawrth 2013
|
7.8
|
Ebrill 2013
|
7.1
|
Mai 2013
|
6.1
|
Mehefin 2013
|
5.7
|
Gorffennaf 2013
|
7.7
|
Awst 2013
|
8.2
|
Medi 2013
|
10.1
|
Hydref 2013
|
9.4
|
Tachwedd 2013
|
11.2
|
Rhagfyr 2013
|
11.6
|
Ionawr 2014
|
13.7
|
Chwefror 2014
|
13.8
|
Mawrth 2014
|
15.2
|
Ebrill 2014
|
16.8
|
Mai 2014
|
18.2
|
Mehefin 2014
|
18.9
|
Gorffennaf 2014
|
19.5
|
Awst 2014
|
20.1
|
Medi 2014
|
18.4
|
Hydref 2014
|
18.1
|
Tachwedd 2014
|
16.4
|
Rhagfyr 2014
|
14.5
|
Ionawr 2015
|
13.2
|
Chwefror 2015
|
13.2
|
Mawrth 2015
|
12.1
|
Ebrill 2015
|
9.4
|
Mai 2015
|
8.6
|
Mehefin 2015
|
8.4
|
Gorffennaf 2015
|
8.0
|
Awst 2015
|
7.6
|
Medi 2015
|
9.0
|
Hydref 2015
|
9.5
|
Tachwedd 2015
|
11.2
|
Rhagfyr 2015
|
11.8
|
Ionawr 2016
|
13.6
|
Chwefror 2016
|
13.0
|
Mawrth 2016
|
14.7
|
Ebrill 2016
|
12.1
|
Mai 2016
|
12.2
|
Mehefin 2016
|
11.3
|
Gorffennaf 2016
|
10.2
|
Awst 2016
|
7.9
|
Medi 2016
|
7.1
|
Hydref 2016
|
6.6
|
Tachwedd 2016
|
5.5
|
Rhagfyr 2016
|
4.8
|
Ionawr 2017
|
3.8
|
Chwefror 2017
|
3.7
|
Mawrth 2017
|
2.1
|
Ebrill 2017
|
4.0
|
Mai 2017
|
2.6
|
Mehefin 2017
|
2.2
|
Gorffennaf 2017
|
2.4
|
Awst 2017
|
3.3
|
Medi 2017
|
2.4
|
Hydref 2017
|
2.6
|
Tachwedd 2017
|
1.1
|
Rhagfyr 2017
|
0.9
|
Ionawr 2018
|
0.8
|
Chwefror 2018
|
0.2
|
Mawrth 2018
|
-0.6
|
Ebrill 2018
|
-0.4
|
Mai 2018
|
0.0
|
Mehefin 2018
|
0.5
|
Gorffennaf 2018
|
-0.1
|
Awst 2018
|
-1.3
|
Medi 2018
|
-1.0
|
Hydref 2018
|
-0.4
|
Tachwedd 2018
|
0.1
|
Rhagfyr 2018
|
-0.6
|
Ionawr 2019
|
-1.6
|
Chwefror 2019
|
-2.1
|
Mawrth 2019
|
-1.7
|
Ebrill 2019
|
-1.5
|
Mai 2019
|
-2.8
|
Mehefin 2019
|
-1.7
|
Gorffennaf 2019
|
-1.6
|
Awst 2019
|
-1.2
|
Medi 2019
|
-0.2
|
Hydref 2019
|
-1.4
|
Tachwedd 2019
|
-0.8
|
Rhagfyr 2019
|
1.6
|
Ionawr 2020
|
1.1
|
Chwefror 2020
|
2.4
|
Mawrth 2020
|
4.4
|
Ebrill 2020
|
2.0
|
Mai 2020
|
2.1
|
Mehefin 2020
|
2.2
|
Gorffennaf 2020
|
1.7
|
Awst 2020
|
4.1
|
Medi 2020
|
4.2
|
Hydref 2020
|
3.6
|
Tachwedd 2020
|
5.9
|
Rhagfyr 2020
|
3.9
|
Ionawr 2021
|
4.2
|
Dyddiad
|
Cyn berchen-feddianwyr
|
Ionawr 1995
|
|
Chwefror 1995
|
|
Mawrth 1995
|
|
Ebrill 1995
|
|
Mai 1995
|
|
Mehefin 1995
|
|
Gorffennaf 1995
|
|
Awst 1995
|
|
Medi 1995
|
|
Hydref 1995
|
|
Tachwedd 1995
|
|
Rhagfyr 1995
|
|
Ionawr 1996
|
|
Chwefror 1996
|
|
Mawrth 1996
|
|
Ebrill 1996
|
|
Mai 1996
|
|
Mehefin 1996
|
|
Gorffennaf 1996
|
|
Awst 1996
|
|
Medi 1996
|
|
Hydref 1996
|
|
Tachwedd 1996
|
|
Rhagfyr 1996
|
|
Ionawr 1997
|
|
Chwefror 1997
|
|
Mawrth 1997
|
|
Ebrill 1997
|
|
Mai 1997
|
|
Mehefin 1997
|
|
Gorffennaf 1997
|
|
Awst 1997
|
|
Medi 1997
|
|
Hydref 1997
|
|
Tachwedd 1997
|
|
Rhagfyr 1997
|
|
Ionawr 1998
|
|
Chwefror 1998
|
|
Mawrth 1998
|
|
Ebrill 1998
|
|
Mai 1998
|
|
Mehefin 1998
|
|
Gorffennaf 1998
|
|
Awst 1998
|
|
Medi 1998
|
|
Hydref 1998
|
|
Tachwedd 1998
|
|
Rhagfyr 1998
|
|
Ionawr 1999
|
|
Chwefror 1999
|
|
Mawrth 1999
|
|
Ebrill 1999
|
|
Mai 1999
|
|
Mehefin 1999
|
|
Gorffennaf 1999
|
|
Awst 1999
|
|
Medi 1999
|
|
Hydref 1999
|
|
Tachwedd 1999
|
|
Rhagfyr 1999
|
|
Ionawr 2000
|
|
Chwefror 2000
|
|
Mawrth 2000
|
|
Ebrill 2000
|
|
Mai 2000
|
|
Mehefin 2000
|
|
Gorffennaf 2000
|
|
Awst 2000
|
|
Medi 2000
|
|
Hydref 2000
|
|
Tachwedd 2000
|
|
Rhagfyr 2000
|
|
Ionawr 2001
|
|
Chwefror 2001
|
|
Mawrth 2001
|
|
Ebrill 2001
|
|
Mai 2001
|
|
Mehefin 2001
|
|
Gorffennaf 2001
|
|
Awst 2001
|
|
Medi 2001
|
|
Hydref 2001
|
|
Tachwedd 2001
|
|
Rhagfyr 2001
|
|
Ionawr 2002
|
|
Chwefror 2002
|
|
Mawrth 2002
|
|
Ebrill 2002
|
|
Mai 2002
|
|
Mehefin 2002
|
|
Gorffennaf 2002
|
|
Awst 2002
|
|
Medi 2002
|
|
Hydref 2002
|
|
Tachwedd 2002
|
|
Rhagfyr 2002
|
|
Ionawr 2003
|
|
Chwefror 2003
|
|
Mawrth 2003
|
|
Ebrill 2003
|
|
Mai 2003
|
|
Mehefin 2003
|
|
Gorffennaf 2003
|
|
Awst 2003
|
|
Medi 2003
|
|
Hydref 2003
|
|
Tachwedd 2003
|
|
Rhagfyr 2003
|
|
Ionawr 2004
|
|
Chwefror 2004
|
|
Mawrth 2004
|
|
Ebrill 2004
|
|
Mai 2004
|
|
Mehefin 2004
|
|
Gorffennaf 2004
|
|
Awst 2004
|
|
Medi 2004
|
|
Hydref 2004
|
|
Tachwedd 2004
|
|
Rhagfyr 2004
|
|
Ionawr 2005
|
|
Chwefror 2005
|
|
Mawrth 2005
|
|
Ebrill 2005
|
|
Mai 2005
|
|
Mehefin 2005
|
|
Gorffennaf 2005
|
|
Awst 2005
|
|
Medi 2005
|
|
Hydref 2005
|
|
Tachwedd 2005
|
|
Rhagfyr 2005
|
|
Ionawr 2006
|
|
Chwefror 2006
|
|
Mawrth 2006
|
|
Ebrill 2006
|
|
Mai 2006
|
|
Mehefin 2006
|
|
Gorffennaf 2006
|
|
Awst 2006
|
|
Medi 2006
|
|
Hydref 2006
|
|
Tachwedd 2006
|
|
Rhagfyr 2006
|
|
Ionawr 2007
|
|
Chwefror 2007
|
|
Mawrth 2007
|
|
Ebrill 2007
|
|
Mai 2007
|
|
Mehefin 2007
|
|
Gorffennaf 2007
|
|
Awst 2007
|
|
Medi 2007
|
|
Hydref 2007
|
|
Tachwedd 2007
|
|
Rhagfyr 2007
|
|
Ionawr 2008
|
|
Chwefror 2008
|
|
Mawrth 2008
|
|
Ebrill 2008
|
|
Mai 2008
|
|
Mehefin 2008
|
|
Gorffennaf 2008
|
|
Awst 2008
|
|
Medi 2008
|
|
Hydref 2008
|
|
Tachwedd 2008
|
|
Rhagfyr 2008
|
|
Ionawr 2009
|
|
Chwefror 2009
|
|
Mawrth 2009
|
|
Ebrill 2009
|
|
Mai 2009
|
|
Mehefin 2009
|
|
Gorffennaf 2009
|
|
Awst 2009
|
|
Medi 2009
|
|
Hydref 2009
|
|
Tachwedd 2009
|
|
Rhagfyr 2009
|
|
Ionawr 2010
|
|
Chwefror 2010
|
|
Mawrth 2010
|
|
Ebrill 2010
|
|
Mai 2010
|
|
Mehefin 2010
|
|
Gorffennaf 2010
|
|
Awst 2010
|
|
Medi 2010
|
|
Hydref 2010
|
|
Tachwedd 2010
|
|
Rhagfyr 2010
|
|
Ionawr 2011
|
|
Chwefror 2011
|
|
Mawrth 2011
|
|
Ebrill 2011
|
|
Mai 2011
|
|
Mehefin 2011
|
|
Gorffennaf 2011
|
|
Awst 2011
|
|
Medi 2011
|
|
Hydref 2011
|
|
Tachwedd 2011
|
|
Rhagfyr 2011
|
|
Ionawr 2012
|
|
Chwefror 2012
|
-0.2
|
Mawrth 2012
|
-1.4
|
Ebrill 2012
|
3.2
|
Mai 2012
|
1.5
|
Mehefin 2012
|
1.1
|
Gorffennaf 2012
|
0.7
|
Awst 2012
|
0.5
|
Medi 2012
|
-0.7
|
Hydref 2012
|
0.6
|
Tachwedd 2012
|
-0.5
|
Rhagfyr 2012
|
1.5
|
Ionawr 2013
|
-0.6
|
Chwefror 2013
|
0.4
|
Mawrth 2013
|
-0.2
|
Ebrill 2013
|
2.6
|
Mai 2013
|
0.5
|
Mehefin 2013
|
0.7
|
Gorffennaf 2013
|
2.6
|
Awst 2013
|
0.9
|
Medi 2013
|
1.1
|
Hydref 2013
|
0.0
|
Tachwedd 2013
|
1.1
|
Rhagfyr 2013
|
2.0
|
Ionawr 2014
|
1.3
|
Chwefror 2014
|
0.5
|
Mawrth 2014
|
0.9
|
Ebrill 2014
|
4.0
|
Mai 2014
|
1.8
|
Mehefin 2014
|
1.2
|
Gorffennaf 2014
|
3.2
|
Awst 2014
|
1.5
|
Medi 2014
|
-0.4
|
Hydref 2014
|
-0.2
|
Tachwedd 2014
|
-0.4
|
Rhagfyr 2014
|
0.4
|
Ionawr 2015
|
0.1
|
Chwefror 2015
|
0.5
|
Mawrth 2015
|
-0.1
|
Ebrill 2015
|
1.5
|
Mai 2015
|
1.1
|
Mehefin 2015
|
1.1
|
Gorffennaf 2015
|
2.8
|
Awst 2015
|
1.1
|
Medi 2015
|
0.9
|
Hydref 2015
|
0.2
|
Tachwedd 2015
|
1.1
|
Rhagfyr 2015
|
0.9
|
Ionawr 2016
|
1.7
|
Chwefror 2016
|
-0.0
|
Mawrth 2016
|
1.5
|
Ebrill 2016
|
-0.8
|
Mai 2016
|
1.2
|
Mehefin 2016
|
0.3
|
Gorffennaf 2016
|
1.7
|
Awst 2016
|
-0.9
|
Medi 2016
|
0.1
|
Hydref 2016
|
-0.3
|
Tachwedd 2016
|
0.1
|
Rhagfyr 2016
|
0.3
|
Ionawr 2017
|
0.8
|
Chwefror 2017
|
-0.1
|
Mawrth 2017
|
-0.1
|
Ebrill 2017
|
1.0
|
Mai 2017
|
-0.1
|
Mehefin 2017
|
-0.1
|
Gorffennaf 2017
|
1.9
|
Awst 2017
|
-0.1
|
Medi 2017
|
-0.7
|
Hydref 2017
|
-0.2
|
Tachwedd 2017
|
-1.3
|
Rhagfyr 2017
|
0.1
|
Ionawr 2018
|
0.7
|
Chwefror 2018
|
-0.7
|
Mawrth 2018
|
-0.9
|
Ebrill 2018
|
1.1
|
Mai 2018
|
0.3
|
Mehefin 2018
|
0.4
|
Gorffennaf 2018
|
1.2
|
Awst 2018
|
-1.2
|
Medi 2018
|
-0.4
|
Hydref 2018
|
0.5
|
Tachwedd 2018
|
-0.9
|
Rhagfyr 2018
|
-0.6
|
Ionawr 2019
|
-0.4
|
Chwefror 2019
|
-1.2
|
Mawrth 2019
|
-0.4
|
Ebrill 2019
|
1.3
|
Mai 2019
|
-1.0
|
Mehefin 2019
|
1.6
|
Gorffennaf 2019
|
1.3
|
Awst 2019
|
-0.8
|
Medi 2019
|
0.6
|
Hydref 2019
|
-0.7
|
Tachwedd 2019
|
-0.3
|
Rhagfyr 2019
|
1.7
|
Ionawr 2020
|
-0.8
|
Chwefror 2020
|
0.0
|
Mawrth 2020
|
1.5
|
Ebrill 2020
|
-1.1
|
Mai 2020
|
-0.9
|
Mehefin 2020
|
1.7
|
Gorffennaf 2020
|
0.8
|
Awst 2020
|
1.5
|
Medi 2020
|
0.7
|
Hydref 2020
|
-1.4
|
Tachwedd 2020
|
1.9
|
Rhagfyr 2020
|
-0.2
|
Ionawr 2021
|
-0.5
|
Dyddiad
|
Cyn berchen-feddianwyr
|
Ionawr 1995
|
|
Chwefror 1995
|
|
Mawrth 1995
|
|
Ebrill 1995
|
|
Mai 1995
|
|
Mehefin 1995
|
|
Gorffennaf 1995
|
|
Awst 1995
|
|
Medi 1995
|
|
Hydref 1995
|
|
Tachwedd 1995
|
|
Rhagfyr 1995
|
|
Ionawr 1996
|
|
Chwefror 1996
|
|
Mawrth 1996
|
|
Ebrill 1996
|
|
Mai 1996
|
|
Mehefin 1996
|
|
Gorffennaf 1996
|
|
Awst 1996
|
|
Medi 1996
|
|
Hydref 1996
|
|
Tachwedd 1996
|
|
Rhagfyr 1996
|
|
Ionawr 1997
|
|
Chwefror 1997
|
|
Mawrth 1997
|
|
Ebrill 1997
|
|
Mai 1997
|
|
Mehefin 1997
|
|
Gorffennaf 1997
|
|
Awst 1997
|
|
Medi 1997
|
|
Hydref 1997
|
|
Tachwedd 1997
|
|
Rhagfyr 1997
|
|
Ionawr 1998
|
|
Chwefror 1998
|
|
Mawrth 1998
|
|
Ebrill 1998
|
|
Mai 1998
|
|
Mehefin 1998
|
|
Gorffennaf 1998
|
|
Awst 1998
|
|
Medi 1998
|
|
Hydref 1998
|
|
Tachwedd 1998
|
|
Rhagfyr 1998
|
|
Ionawr 1999
|
|
Chwefror 1999
|
|
Mawrth 1999
|
|
Ebrill 1999
|
|
Mai 1999
|
|
Mehefin 1999
|
|
Gorffennaf 1999
|
|
Awst 1999
|
|
Medi 1999
|
|
Hydref 1999
|
|
Tachwedd 1999
|
|
Rhagfyr 1999
|
|
Ionawr 2000
|
|
Chwefror 2000
|
|
Mawrth 2000
|
|
Ebrill 2000
|
|
Mai 2000
|
|
Mehefin 2000
|
|
Gorffennaf 2000
|
|
Awst 2000
|
|
Medi 2000
|
|
Hydref 2000
|
|
Tachwedd 2000
|
|
Rhagfyr 2000
|
|
Ionawr 2001
|
|
Chwefror 2001
|
|
Mawrth 2001
|
|
Ebrill 2001
|
|
Mai 2001
|
|
Mehefin 2001
|
|
Gorffennaf 2001
|
|
Awst 2001
|
|
Medi 2001
|
|
Hydref 2001
|
|
Tachwedd 2001
|
|
Rhagfyr 2001
|
|
Ionawr 2002
|
|
Chwefror 2002
|
|
Mawrth 2002
|
|
Ebrill 2002
|
|
Mai 2002
|
|
Mehefin 2002
|
|
Gorffennaf 2002
|
|
Awst 2002
|
|
Medi 2002
|
|
Hydref 2002
|
|
Tachwedd 2002
|
|
Rhagfyr 2002
|
|
Ionawr 2003
|
|
Chwefror 2003
|
|
Mawrth 2003
|
|
Ebrill 2003
|
|
Mai 2003
|
|
Mehefin 2003
|
|
Gorffennaf 2003
|
|
Awst 2003
|
|
Medi 2003
|
|
Hydref 2003
|
|
Tachwedd 2003
|
|
Rhagfyr 2003
|
|
Ionawr 2004
|
|
Chwefror 2004
|
|
Mawrth 2004
|
|
Ebrill 2004
|
|
Mai 2004
|
|
Mehefin 2004
|
|
Gorffennaf 2004
|
|
Awst 2004
|
|
Medi 2004
|
|
Hydref 2004
|
|
Tachwedd 2004
|
|
Rhagfyr 2004
|
|
Ionawr 2005
|
|
Chwefror 2005
|
|
Mawrth 2005
|
|
Ebrill 2005
|
|
Mai 2005
|
|
Mehefin 2005
|
|
Gorffennaf 2005
|
|
Awst 2005
|
|
Medi 2005
|
|
Hydref 2005
|
|
Tachwedd 2005
|
|
Rhagfyr 2005
|
|
Ionawr 2006
|
|
Chwefror 2006
|
|
Mawrth 2006
|
|
Ebrill 2006
|
|
Mai 2006
|
|
Mehefin 2006
|
|
Gorffennaf 2006
|
|
Awst 2006
|
|
Medi 2006
|
|
Hydref 2006
|
|
Tachwedd 2006
|
|
Rhagfyr 2006
|
|
Ionawr 2007
|
|
Chwefror 2007
|
|
Mawrth 2007
|
|
Ebrill 2007
|
|
Mai 2007
|
|
Mehefin 2007
|
|
Gorffennaf 2007
|
|
Awst 2007
|
|
Medi 2007
|
|
Hydref 2007
|
|
Tachwedd 2007
|
|
Rhagfyr 2007
|
|
Ionawr 2008
|
|
Chwefror 2008
|
|
Mawrth 2008
|
|
Ebrill 2008
|
|
Mai 2008
|
|
Mehefin 2008
|
|
Gorffennaf 2008
|
|
Awst 2008
|
|
Medi 2008
|
|
Hydref 2008
|
|
Tachwedd 2008
|
|
Rhagfyr 2008
|
|
Ionawr 2009
|
|
Chwefror 2009
|
|
Mawrth 2009
|
|
Ebrill 2009
|
|
Mai 2009
|
|
Mehefin 2009
|
|
Gorffennaf 2009
|
|
Awst 2009
|
|
Medi 2009
|
|
Hydref 2009
|
|
Tachwedd 2009
|
|
Rhagfyr 2009
|
|
Ionawr 2010
|
|
Chwefror 2010
|
|
Mawrth 2010
|
|
Ebrill 2010
|
|
Mai 2010
|
|
Mehefin 2010
|
|
Gorffennaf 2010
|
|
Awst 2010
|
|
Medi 2010
|
|
Hydref 2010
|
|
Tachwedd 2010
|
|
Rhagfyr 2010
|
|
Ionawr 2011
|
|
Chwefror 2011
|
|
Mawrth 2011
|
|
Ebrill 2011
|
|
Mai 2011
|
|
Mehefin 2011
|
|
Gorffennaf 2011
|
|
Awst 2011
|
|
Medi 2011
|
|
Hydref 2011
|
|
Tachwedd 2011
|
|
Rhagfyr 2011
|
|
Ionawr 2012
|
73.4
|
Chwefror 2012
|
73.2
|
Mawrth 2012
|
72.2
|
Ebrill 2012
|
74.5
|
Mai 2012
|
75.6
|
Mehefin 2012
|
76.4
|
Gorffennaf 2012
|
77.0
|
Awst 2012
|
77.4
|
Medi 2012
|
76.8
|
Hydref 2012
|
77.3
|
Tachwedd 2012
|
76.9
|
Rhagfyr 2012
|
78.1
|
Ionawr 2013
|
77.7
|
Chwefror 2013
|
78.0
|
Mawrth 2013
|
77.8
|
Ebrill 2013
|
79.8
|
Mai 2013
|
80.2
|
Mehefin 2013
|
80.8
|
Gorffennaf 2013
|
82.9
|
Awst 2013
|
83.7
|
Medi 2013
|
84.6
|
Hydref 2013
|
84.6
|
Tachwedd 2013
|
85.5
|
Rhagfyr 2013
|
87.2
|
Ionawr 2014
|
88.4
|
Chwefror 2014
|
88.8
|
Mawrth 2014
|
89.6
|
Ebrill 2014
|
93.2
|
Mai 2014
|
94.9
|
Mehefin 2014
|
96.0
|
Gorffennaf 2014
|
99.1
|
Awst 2014
|
100.5
|
Medi 2014
|
100.1
|
Hydref 2014
|
99.9
|
Tachwedd 2014
|
99.5
|
Rhagfyr 2014
|
99.9
|
Ionawr 2015
|
100.0
|
Chwefror 2015
|
100.5
|
Mawrth 2015
|
100.4
|
Ebrill 2015
|
101.9
|
Mai 2015
|
103.0
|
Mehefin 2015
|
104.1
|
Gorffennaf 2015
|
107.0
|
Awst 2015
|
108.2
|
Medi 2015
|
109.2
|
Hydref 2015
|
109.4
|
Tachwedd 2015
|
110.6
|
Rhagfyr 2015
|
111.7
|
Ionawr 2016
|
113.6
|
Chwefror 2016
|
113.6
|
Mawrth 2016
|
115.2
|
Ebrill 2016
|
114.2
|
Mai 2016
|
115.6
|
Mehefin 2016
|
115.9
|
Gorffennaf 2016
|
117.9
|
Awst 2016
|
116.8
|
Medi 2016
|
116.9
|
Hydref 2016
|
116.6
|
Tachwedd 2016
|
116.7
|
Rhagfyr 2016
|
117.0
|
Ionawr 2017
|
117.9
|
Chwefror 2017
|
117.8
|
Mawrth 2017
|
117.7
|
Ebrill 2017
|
118.8
|
Mai 2017
|
118.7
|
Mehefin 2017
|
118.6
|
Gorffennaf 2017
|
120.8
|
Awst 2017
|
120.6
|
Medi 2017
|
119.8
|
Hydref 2017
|
119.6
|
Tachwedd 2017
|
118.0
|
Rhagfyr 2017
|
118.1
|
Ionawr 2018
|
118.9
|
Chwefror 2018
|
118.0
|
Mawrth 2018
|
117.0
|
Ebrill 2018
|
118.3
|
Mai 2018
|
118.7
|
Mehefin 2018
|
119.2
|
Gorffennaf 2018
|
120.6
|
Awst 2018
|
119.1
|
Medi 2018
|
118.6
|
Hydref 2018
|
119.1
|
Tachwedd 2018
|
118.1
|
Rhagfyr 2018
|
117.3
|
Ionawr 2019
|
116.9
|
Chwefror 2019
|
115.5
|
Mawrth 2019
|
115.0
|
Ebrill 2019
|
116.5
|
Mai 2019
|
115.3
|
Mehefin 2019
|
117.1
|
Gorffennaf 2019
|
118.7
|
Awst 2019
|
117.7
|
Medi 2019
|
118.4
|
Hydref 2019
|
117.5
|
Tachwedd 2019
|
117.2
|
Rhagfyr 2019
|
119.1
|
Ionawr 2020
|
118.2
|
Chwefror 2020
|
118.2
|
Mawrth 2020
|
120.1
|
Ebrill 2020
|
118.8
|
Mai 2020
|
117.7
|
Mehefin 2020
|
119.7
|
Gorffennaf 2020
|
120.7
|
Awst 2020
|
122.6
|
Medi 2020
|
123.4
|
Hydref 2020
|
121.7
|
Tachwedd 2020
|
124.0
|
Rhagfyr 2020
|
123.7
|
Ionawr 2021
|
123.2
|
Statws cyllido
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol a nifer y gwerthiannau yn ôl statws cyllido, e.e. Arian Parod/Morgais
Dyddiad
|
Pryniannau arian parod
|
Ionawr 1995
|
|
Chwefror 1995
|
|
Mawrth 1995
|
|
Ebrill 1995
|
|
Mai 1995
|
|
Mehefin 1995
|
|
Gorffennaf 1995
|
|
Awst 1995
|
|
Medi 1995
|
|
Hydref 1995
|
|
Tachwedd 1995
|
|
Rhagfyr 1995
|
|
Ionawr 1996
|
|
Chwefror 1996
|
|
Mawrth 1996
|
|
Ebrill 1996
|
|
Mai 1996
|
|
Mehefin 1996
|
|
Gorffennaf 1996
|
|
Awst 1996
|
|
Medi 1996
|
|
Hydref 1996
|
|
Tachwedd 1996
|
|
Rhagfyr 1996
|
|
Ionawr 1997
|
|
Chwefror 1997
|
|
Mawrth 1997
|
|
Ebrill 1997
|
|
Mai 1997
|
|
Mehefin 1997
|
|
Gorffennaf 1997
|
|
Awst 1997
|
|
Medi 1997
|
|
Hydref 1997
|
|
Tachwedd 1997
|
|
Rhagfyr 1997
|
|
Ionawr 1998
|
|
Chwefror 1998
|
|
Mawrth 1998
|
|
Ebrill 1998
|
|
Mai 1998
|
|
Mehefin 1998
|
|
Gorffennaf 1998
|
|
Awst 1998
|
|
Medi 1998
|
|
Hydref 1998
|
|
Tachwedd 1998
|
|
Rhagfyr 1998
|
|
Ionawr 1999
|
|
Chwefror 1999
|
|
Mawrth 1999
|
|
Ebrill 1999
|
|
Mai 1999
|
|
Mehefin 1999
|
|
Gorffennaf 1999
|
|
Awst 1999
|
|
Medi 1999
|
|
Hydref 1999
|
|
Tachwedd 1999
|
|
Rhagfyr 1999
|
|
Ionawr 2000
|
|
Chwefror 2000
|
|
Mawrth 2000
|
|
Ebrill 2000
|
|
Mai 2000
|
|
Mehefin 2000
|
|
Gorffennaf 2000
|
|
Awst 2000
|
|
Medi 2000
|
|
Hydref 2000
|
|
Tachwedd 2000
|
|
Rhagfyr 2000
|
|
Ionawr 2001
|
|
Chwefror 2001
|
|
Mawrth 2001
|
|
Ebrill 2001
|
|
Mai 2001
|
|
Mehefin 2001
|
|
Gorffennaf 2001
|
|
Awst 2001
|
|
Medi 2001
|
|
Hydref 2001
|
|
Tachwedd 2001
|
|
Rhagfyr 2001
|
|
Ionawr 2002
|
|
Chwefror 2002
|
|
Mawrth 2002
|
|
Ebrill 2002
|
|
Mai 2002
|
|
Mehefin 2002
|
|
Gorffennaf 2002
|
|
Awst 2002
|
|
Medi 2002
|
|
Hydref 2002
|
|
Tachwedd 2002
|
|
Rhagfyr 2002
|
|
Ionawr 2003
|
|
Chwefror 2003
|
|
Mawrth 2003
|
|
Ebrill 2003
|
|
Mai 2003
|
|
Mehefin 2003
|
|
Gorffennaf 2003
|
|
Awst 2003
|
|
Medi 2003
|
|
Hydref 2003
|
|
Tachwedd 2003
|
|
Rhagfyr 2003
|
|
Ionawr 2004
|
|
Chwefror 2004
|
|
Mawrth 2004
|
|
Ebrill 2004
|
|
Mai 2004
|
|
Mehefin 2004
|
|
Gorffennaf 2004
|
|
Awst 2004
|
|
Medi 2004
|
|
Hydref 2004
|
|
Tachwedd 2004
|
|
Rhagfyr 2004
|
|
Ionawr 2005
|
|
Chwefror 2005
|
|
Mawrth 2005
|
|
Ebrill 2005
|
|
Mai 2005
|
|
Mehefin 2005
|
|
Gorffennaf 2005
|
|
Awst 2005
|
|
Medi 2005
|
|
Hydref 2005
|
|
Tachwedd 2005
|
|
Rhagfyr 2005
|
|
Ionawr 2006
|
|
Chwefror 2006
|
|
Mawrth 2006
|
|
Ebrill 2006
|
|
Mai 2006
|
|
Mehefin 2006
|
|
Gorffennaf 2006
|
|
Awst 2006
|
|
Medi 2006
|
|
Hydref 2006
|
|
Tachwedd 2006
|
|
Rhagfyr 2006
|
|
Ionawr 2007
|
|
Chwefror 2007
|
|
Mawrth 2007
|
|
Ebrill 2007
|
|
Mai 2007
|
|
Mehefin 2007
|
|
Gorffennaf 2007
|
|
Awst 2007
|
|
Medi 2007
|
|
Hydref 2007
|
|
Tachwedd 2007
|
|
Rhagfyr 2007
|
|
Ionawr 2008
|
|
Chwefror 2008
|
|
Mawrth 2008
|
|
Ebrill 2008
|
|
Mai 2008
|
|
Mehefin 2008
|
|
Gorffennaf 2008
|
|
Awst 2008
|
|
Medi 2008
|
|
Hydref 2008
|
|
Tachwedd 2008
|
|
Rhagfyr 2008
|
|
Ionawr 2009
|
|
Chwefror 2009
|
|
Mawrth 2009
|
|
Ebrill 2009
|
|
Mai 2009
|
|
Mehefin 2009
|
|
Gorffennaf 2009
|
|
Awst 2009
|
|
Medi 2009
|
|
Hydref 2009
|
|
Tachwedd 2009
|
|
Rhagfyr 2009
|
|
Ionawr 2010
|
|
Chwefror 2010
|
|
Mawrth 2010
|
|
Ebrill 2010
|
|
Mai 2010
|
|
Mehefin 2010
|
|
Gorffennaf 2010
|
|
Awst 2010
|
|
Medi 2010
|
|
Hydref 2010
|
|
Tachwedd 2010
|
|
Rhagfyr 2010
|
|
Ionawr 2011
|
|
Chwefror 2011
|
|
Mawrth 2011
|
|
Ebrill 2011
|
|
Mai 2011
|
|
Mehefin 2011
|
|
Gorffennaf 2011
|
|
Awst 2011
|
|
Medi 2011
|
|
Hydref 2011
|
|
Tachwedd 2011
|
|
Rhagfyr 2011
|
|
Ionawr 2012
|
312909.0
|
Chwefror 2012
|
312219.0
|
Mawrth 2012
|
308656.0
|
Ebrill 2012
|
319498.0
|
Mai 2012
|
323545.0
|
Mehefin 2012
|
327639.0
|
Gorffennaf 2012
|
329640.0
|
Awst 2012
|
330629.0
|
Medi 2012
|
329026.0
|
Hydref 2012
|
331688.0
|
Tachwedd 2012
|
328971.0
|
Rhagfyr 2012
|
335002.0
|
Ionawr 2013
|
332743.0
|
Chwefror 2013
|
334783.0
|
Mawrth 2013
|
334037.0
|
Ebrill 2013
|
343655.0
|
Mai 2013
|
344989.0
|
Mehefin 2013
|
347157.0
|
Gorffennaf 2013
|
356382.0
|
Awst 2013
|
358806.0
|
Medi 2013
|
364615.0
|
Hydref 2013
|
363021.0
|
Tachwedd 2013
|
367266.0
|
Rhagfyr 2013
|
376807.0
|
Ionawr 2014
|
380245.0
|
Chwefror 2014
|
383022.0
|
Mawrth 2014
|
386461.0
|
Ebrill 2014
|
400681.0
|
Mai 2014
|
408478.0
|
Mehefin 2014
|
413978.0
|
Gorffennaf 2014
|
425605.0
|
Awst 2014
|
430579.0
|
Medi 2014
|
430241.0
|
Hydref 2014
|
428506.0
|
Tachwedd 2014
|
427042.0
|
Rhagfyr 2014
|
428672.0
|
Ionawr 2015
|
429743.0
|
Chwefror 2015
|
431785.0
|
Mawrth 2015
|
430569.0
|
Ebrill 2015
|
436239.0
|
Mai 2015
|
441904.0
|
Mehefin 2015
|
444647.0
|
Gorffennaf 2015
|
458102.0
|
Awst 2015
|
460955.0
|
Medi 2015
|
467186.0
|
Hydref 2015
|
464482.0
|
Tachwedd 2015
|
471928.0
|
Rhagfyr 2015
|
475715.0
|
Ionawr 2016
|
483474.0
|
Chwefror 2016
|
481131.0
|
Mawrth 2016
|
490278.0
|
Ebrill 2016
|
486347.0
|
Mai 2016
|
492499.0
|
Mehefin 2016
|
493085.0
|
Gorffennaf 2016
|
499111.0
|
Awst 2016
|
494045.0
|
Medi 2016
|
496390.0
|
Hydref 2016
|
495285.0
|
Tachwedd 2016
|
497384.0
|
Rhagfyr 2016
|
499802.0
|
Ionawr 2017
|
502139.0
|
Chwefror 2017
|
505326.0
|
Mawrth 2017
|
501970.0
|
Ebrill 2017
|
509528.0
|
Mai 2017
|
508274.0
|
Mehefin 2017
|
504553.0
|
Gorffennaf 2017
|
514897.0
|
Awst 2017
|
512217.0
|
Medi 2017
|
507722.0
|
Hydref 2017
|
507695.0
|
Tachwedd 2017
|
503301.0
|
Rhagfyr 2017
|
503377.0
|
Ionawr 2018
|
508621.0
|
Chwefror 2018
|
504200.0
|
Mawrth 2018
|
497729.0
|
Ebrill 2018
|
502475.0
|
Mai 2018
|
500409.0
|
Mehefin 2018
|
504019.0
|
Gorffennaf 2018
|
509800.0
|
Awst 2018
|
504870.0
|
Medi 2018
|
500998.0
|
Hydref 2018
|
503596.0
|
Tachwedd 2018
|
498881.0
|
Rhagfyr 2018
|
496991.0
|
Ionawr 2019
|
492383.0
|
Chwefror 2019
|
488467.0
|
Mawrth 2019
|
485984.0
|
Ebrill 2019
|
494798.0
|
Mai 2019
|
486441.0
|
Mehefin 2019
|
493151.0
|
Gorffennaf 2019
|
500643.0
|
Awst 2019
|
491361.0
|
Medi 2019
|
498972.0
|
Hydref 2019
|
492062.0
|
Tachwedd 2019
|
488377.0
|
Rhagfyr 2019
|
502192.0
|
Ionawr 2020
|
499269.0
|
Chwefror 2020
|
496501.0
|
Mawrth 2020
|
506646.0
|
Ebrill 2020
|
501147.0
|
Mai 2020
|
492579.0
|
Mehefin 2020
|
501122.0
|
Gorffennaf 2020
|
506196.0
|
Awst 2020
|
510179.0
|
Medi 2020
|
512697.0
|
Hydref 2020
|
501569.0
|
Tachwedd 2020
|
513054.0
|
Rhagfyr 2020
|
511235.0
|
Ionawr 2021
|
511659.0
|
Dyddiad
|
Pryniannau arian parod
|
Ionawr 1995
|
|
Chwefror 1995
|
|
Mawrth 1995
|
|
Ebrill 1995
|
|
Mai 1995
|
|
Mehefin 1995
|
|
Gorffennaf 1995
|
|
Awst 1995
|
|
Medi 1995
|
|
Hydref 1995
|
|
Tachwedd 1995
|
|
Rhagfyr 1995
|
|
Ionawr 1996
|
|
Chwefror 1996
|
|
Mawrth 1996
|
|
Ebrill 1996
|
|
Mai 1996
|
|
Mehefin 1996
|
|
Gorffennaf 1996
|
|
Awst 1996
|
|
Medi 1996
|
|
Hydref 1996
|
|
Tachwedd 1996
|
|
Rhagfyr 1996
|
|
Ionawr 1997
|
|
Chwefror 1997
|
|
Mawrth 1997
|
|
Ebrill 1997
|
|
Mai 1997
|
|
Mehefin 1997
|
|
Gorffennaf 1997
|
|
Awst 1997
|
|
Medi 1997
|
|
Hydref 1997
|
|
Tachwedd 1997
|
|
Rhagfyr 1997
|
|
Ionawr 1998
|
|
Chwefror 1998
|
|
Mawrth 1998
|
|
Ebrill 1998
|
|
Mai 1998
|
|
Mehefin 1998
|
|
Gorffennaf 1998
|
|
Awst 1998
|
|
Medi 1998
|
|
Hydref 1998
|
|
Tachwedd 1998
|
|
Rhagfyr 1998
|
|
Ionawr 1999
|
|
Chwefror 1999
|
|
Mawrth 1999
|
|
Ebrill 1999
|
|
Mai 1999
|
|
Mehefin 1999
|
|
Gorffennaf 1999
|
|
Awst 1999
|
|
Medi 1999
|
|
Hydref 1999
|
|
Tachwedd 1999
|
|
Rhagfyr 1999
|
|
Ionawr 2000
|
|
Chwefror 2000
|
|
Mawrth 2000
|
|
Ebrill 2000
|
|
Mai 2000
|
|
Mehefin 2000
|
|
Gorffennaf 2000
|
|
Awst 2000
|
|
Medi 2000
|
|
Hydref 2000
|
|
Tachwedd 2000
|
|
Rhagfyr 2000
|
|
Ionawr 2001
|
|
Chwefror 2001
|
|
Mawrth 2001
|
|
Ebrill 2001
|
|
Mai 2001
|
|
Mehefin 2001
|
|
Gorffennaf 2001
|
|
Awst 2001
|
|
Medi 2001
|
|
Hydref 2001
|
|
Tachwedd 2001
|
|
Rhagfyr 2001
|
|
Ionawr 2002
|
|
Chwefror 2002
|
|
Mawrth 2002
|
|
Ebrill 2002
|
|
Mai 2002
|
|
Mehefin 2002
|
|
Gorffennaf 2002
|
|
Awst 2002
|
|
Medi 2002
|
|
Hydref 2002
|
|
Tachwedd 2002
|
|
Rhagfyr 2002
|
|
Ionawr 2003
|
|
Chwefror 2003
|
|
Mawrth 2003
|
|
Ebrill 2003
|
|
Mai 2003
|
|
Mehefin 2003
|
|
Gorffennaf 2003
|
|
Awst 2003
|
|
Medi 2003
|
|
Hydref 2003
|
|
Tachwedd 2003
|
|
Rhagfyr 2003
|
|
Ionawr 2004
|
|
Chwefror 2004
|
|
Mawrth 2004
|
|
Ebrill 2004
|
|
Mai 2004
|
|
Mehefin 2004
|
|
Gorffennaf 2004
|
|
Awst 2004
|
|
Medi 2004
|
|
Hydref 2004
|
|
Tachwedd 2004
|
|
Rhagfyr 2004
|
|
Ionawr 2005
|
|
Chwefror 2005
|
|
Mawrth 2005
|
|
Ebrill 2005
|
|
Mai 2005
|
|
Mehefin 2005
|
|
Gorffennaf 2005
|
|
Awst 2005
|
|
Medi 2005
|
|
Hydref 2005
|
|
Tachwedd 2005
|
|
Rhagfyr 2005
|
|
Ionawr 2006
|
|
Chwefror 2006
|
|
Mawrth 2006
|
|
Ebrill 2006
|
|
Mai 2006
|
|
Mehefin 2006
|
|
Gorffennaf 2006
|
|
Awst 2006
|
|
Medi 2006
|
|
Hydref 2006
|
|
Tachwedd 2006
|
|
Rhagfyr 2006
|
|
Ionawr 2007
|
|
Chwefror 2007
|
|
Mawrth 2007
|
|
Ebrill 2007
|
|
Mai 2007
|
|
Mehefin 2007
|
|
Gorffennaf 2007
|
|
Awst 2007
|
|
Medi 2007
|
|
Hydref 2007
|
|
Tachwedd 2007
|
|
Rhagfyr 2007
|
|
Ionawr 2008
|
|
Chwefror 2008
|
|
Mawrth 2008
|
|
Ebrill 2008
|
|
Mai 2008
|
|
Mehefin 2008
|
|
Gorffennaf 2008
|
|
Awst 2008
|
|
Medi 2008
|
|
Hydref 2008
|
|
Tachwedd 2008
|
|
Rhagfyr 2008
|
|
Ionawr 2009
|
|
Chwefror 2009
|
|
Mawrth 2009
|
|
Ebrill 2009
|
|
Mai 2009
|
|
Mehefin 2009
|
|
Gorffennaf 2009
|
|
Awst 2009
|
|
Medi 2009
|
|
Hydref 2009
|
|
Tachwedd 2009
|
|
Rhagfyr 2009
|
|
Ionawr 2010
|
|
Chwefror 2010
|
|
Mawrth 2010
|
|
Ebrill 2010
|
|
Mai 2010
|
|
Mehefin 2010
|
|
Gorffennaf 2010
|
|
Awst 2010
|
|
Medi 2010
|
|
Hydref 2010
|
|
Tachwedd 2010
|
|
Rhagfyr 2010
|
|
Ionawr 2011
|
|
Chwefror 2011
|
|
Mawrth 2011
|
|
Ebrill 2011
|
|
Mai 2011
|
|
Mehefin 2011
|
|
Gorffennaf 2011
|
|
Awst 2011
|
|
Medi 2011
|
|
Hydref 2011
|
|
Tachwedd 2011
|
|
Rhagfyr 2011
|
|
Ionawr 2012
|
|
Chwefror 2012
|
|
Mawrth 2012
|
|
Ebrill 2012
|
|
Mai 2012
|
|
Mehefin 2012
|
|
Gorffennaf 2012
|
|
Awst 2012
|
|
Medi 2012
|
|
Hydref 2012
|
|
Tachwedd 2012
|
|
Rhagfyr 2012
|
|
Ionawr 2013
|
6.3
|
Chwefror 2013
|
7.2
|
Mawrth 2013
|
8.2
|
Ebrill 2013
|
7.6
|
Mai 2013
|
6.6
|
Mehefin 2013
|
6.0
|
Gorffennaf 2013
|
8.1
|
Awst 2013
|
8.5
|
Medi 2013
|
10.8
|
Hydref 2013
|
9.4
|
Tachwedd 2013
|
11.6
|
Rhagfyr 2013
|
12.5
|
Ionawr 2014
|
14.3
|
Chwefror 2014
|
14.4
|
Mawrth 2014
|
15.7
|
Ebrill 2014
|
16.6
|
Mai 2014
|
18.4
|
Mehefin 2014
|
19.2
|
Gorffennaf 2014
|
19.4
|
Awst 2014
|
20.0
|
Medi 2014
|
18.0
|
Hydref 2014
|
18.0
|
Tachwedd 2014
|
16.3
|
Rhagfyr 2014
|
13.8
|
Ionawr 2015
|
13.0
|
Chwefror 2015
|
12.7
|
Mawrth 2015
|
11.4
|
Ebrill 2015
|
8.9
|
Mai 2015
|
8.2
|
Mehefin 2015
|
7.4
|
Gorffennaf 2015
|
7.6
|
Awst 2015
|
7.0
|
Medi 2015
|
8.6
|
Hydref 2015
|
8.4
|
Tachwedd 2015
|
10.5
|
Rhagfyr 2015
|
11.0
|
Ionawr 2016
|
12.5
|
Chwefror 2016
|
11.4
|
Mawrth 2016
|
13.9
|
Ebrill 2016
|
11.5
|
Mai 2016
|
11.4
|
Mehefin 2016
|
10.9
|
Gorffennaf 2016
|
9.0
|
Awst 2016
|
7.2
|
Medi 2016
|
6.2
|
Hydref 2016
|
6.6
|
Tachwedd 2016
|
5.4
|
Rhagfyr 2016
|
5.1
|
Ionawr 2017
|
3.9
|
Chwefror 2017
|
5.0
|
Mawrth 2017
|
2.4
|
Ebrill 2017
|
4.8
|
Mai 2017
|
3.2
|
Mehefin 2017
|
2.3
|
Gorffennaf 2017
|
3.2
|
Awst 2017
|
3.7
|
Medi 2017
|
2.3
|
Hydref 2017
|
2.5
|
Tachwedd 2017
|
1.2
|
Rhagfyr 2017
|
0.7
|
Ionawr 2018
|
1.3
|
Chwefror 2018
|
-0.2
|
Mawrth 2018
|
-0.8
|
Ebrill 2018
|
-1.4
|
Mai 2018
|
-1.6
|
Mehefin 2018
|
-0.1
|
Gorffennaf 2018
|
-1.0
|
Awst 2018
|
-1.4
|
Medi 2018
|
-1.3
|
Hydref 2018
|
-0.8
|
Tachwedd 2018
|
-0.9
|
Rhagfyr 2018
|
-1.3
|
Ionawr 2019
|
-3.2
|
Chwefror 2019
|
-3.1
|
Mawrth 2019
|
-2.4
|
Ebrill 2019
|
-1.5
|
Mai 2019
|
-2.8
|
Mehefin 2019
|
-2.2
|
Gorffennaf 2019
|
-1.8
|
Awst 2019
|
-2.7
|
Medi 2019
|
-0.4
|
Hydref 2019
|
-2.3
|
Tachwedd 2019
|
-2.1
|
Rhagfyr 2019
|
1.0
|
Ionawr 2020
|
1.4
|
Chwefror 2020
|
1.6
|
Mawrth 2020
|
4.2
|
Ebrill 2020
|
1.3
|
Mai 2020
|
1.3
|
Mehefin 2020
|
1.6
|
Gorffennaf 2020
|
1.1
|
Awst 2020
|
3.8
|
Medi 2020
|
2.8
|
Hydref 2020
|
1.9
|
Tachwedd 2020
|
5.0
|
Rhagfyr 2020
|
1.8
|
Ionawr 2021
|
2.5
|
Dyddiad
|
Pryniannau arian parod
|
Ionawr 1995
|
|
Chwefror 1995
|
|
Mawrth 1995
|
|
Ebrill 1995
|
|
Mai 1995
|
|
Mehefin 1995
|
|
Gorffennaf 1995
|
|
Awst 1995
|
|
Medi 1995
|
|
Hydref 1995
|
|
Tachwedd 1995
|
|
Rhagfyr 1995
|
|
Ionawr 1996
|
|
Chwefror 1996
|
|
Mawrth 1996
|
|
Ebrill 1996
|
|
Mai 1996
|
|
Mehefin 1996
|
|
Gorffennaf 1996
|
|
Awst 1996
|
|
Medi 1996
|
|
Hydref 1996
|
|
Tachwedd 1996
|
|
Rhagfyr 1996
|
|
Ionawr 1997
|
|
Chwefror 1997
|
|
Mawrth 1997
|
|
Ebrill 1997
|
|
Mai 1997
|
|
Mehefin 1997
|
|
Gorffennaf 1997
|
|
Awst 1997
|
|
Medi 1997
|
|
Hydref 1997
|
|
Tachwedd 1997
|
|
Rhagfyr 1997
|
|
Ionawr 1998
|
|
Chwefror 1998
|
|
Mawrth 1998
|
|
Ebrill 1998
|
|
Mai 1998
|
|
Mehefin 1998
|
|
Gorffennaf 1998
|
|
Awst 1998
|
|
Medi 1998
|
|
Hydref 1998
|
|
Tachwedd 1998
|
|
Rhagfyr 1998
|
|
Ionawr 1999
|
|
Chwefror 1999
|
|
Mawrth 1999
|
|
Ebrill 1999
|
|
Mai 1999
|
|
Mehefin 1999
|
|
Gorffennaf 1999
|
|
Awst 1999
|
|
Medi 1999
|
|
Hydref 1999
|
|
Tachwedd 1999
|
|
Rhagfyr 1999
|
|
Ionawr 2000
|
|
Chwefror 2000
|
|
Mawrth 2000
|
|
Ebrill 2000
|
|
Mai 2000
|
|
Mehefin 2000
|
|
Gorffennaf 2000
|
|
Awst 2000
|
|
Medi 2000
|
|
Hydref 2000
|
|
Tachwedd 2000
|
|
Rhagfyr 2000
|
|
Ionawr 2001
|
|
Chwefror 2001
|
|
Mawrth 2001
|
|
Ebrill 2001
|
|
Mai 2001
|
|
Mehefin 2001
|
|
Gorffennaf 2001
|
|
Awst 2001
|
|
Medi 2001
|
|
Hydref 2001
|
|
Tachwedd 2001
|
|
Rhagfyr 2001
|
|
Ionawr 2002
|
|
Chwefror 2002
|
|
Mawrth 2002
|
|
Ebrill 2002
|
|
Mai 2002
|
|
Mehefin 2002
|
|
Gorffennaf 2002
|
|
Awst 2002
|
|
Medi 2002
|
|
Hydref 2002
|
|
Tachwedd 2002
|
|
Rhagfyr 2002
|
|
Ionawr 2003
|
|
Chwefror 2003
|
|
Mawrth 2003
|
|
Ebrill 2003
|
|
Mai 2003
|
|
Mehefin 2003
|
|
Gorffennaf 2003
|
|
Awst 2003
|
|
Medi 2003
|
|
Hydref 2003
|
|
Tachwedd 2003
|
|
Rhagfyr 2003
|
|
Ionawr 2004
|
|
Chwefror 2004
|
|
Mawrth 2004
|
|
Ebrill 2004
|
|
Mai 2004
|
|
Mehefin 2004
|
|
Gorffennaf 2004
|
|
Awst 2004
|
|
Medi 2004
|
|
Hydref 2004
|
|
Tachwedd 2004
|
|
Rhagfyr 2004
|
|
Ionawr 2005
|
|
Chwefror 2005
|
|
Mawrth 2005
|
|
Ebrill 2005
|
|
Mai 2005
|
|
Mehefin 2005
|
|
Gorffennaf 2005
|
|
Awst 2005
|
|
Medi 2005
|
|
Hydref 2005
|
|
Tachwedd 2005
|
|
Rhagfyr 2005
|
|
Ionawr 2006
|
|
Chwefror 2006
|
|
Mawrth 2006
|
|
Ebrill 2006
|
|
Mai 2006
|
|
Mehefin 2006
|
|
Gorffennaf 2006
|
|
Awst 2006
|
|
Medi 2006
|
|
Hydref 2006
|
|
Tachwedd 2006
|
|
Rhagfyr 2006
|
|
Ionawr 2007
|
|
Chwefror 2007
|
|
Mawrth 2007
|
|
Ebrill 2007
|
|
Mai 2007
|
|
Mehefin 2007
|
|
Gorffennaf 2007
|
|
Awst 2007
|
|
Medi 2007
|
|
Hydref 2007
|
|
Tachwedd 2007
|
|
Rhagfyr 2007
|
|
Ionawr 2008
|
|
Chwefror 2008
|
|
Mawrth 2008
|
|
Ebrill 2008
|
|
Mai 2008
|
|
Mehefin 2008
|
|
Gorffennaf 2008
|
|
Awst 2008
|
|
Medi 2008
|
|
Hydref 2008
|
|
Tachwedd 2008
|
|
Rhagfyr 2008
|
|
Ionawr 2009
|
|
Chwefror 2009
|
|
Mawrth 2009
|
|
Ebrill 2009
|
|
Mai 2009
|
|
Mehefin 2009
|
|
Gorffennaf 2009
|
|
Awst 2009
|
|
Medi 2009
|
|
Hydref 2009
|
|
Tachwedd 2009
|
|
Rhagfyr 2009
|
|
Ionawr 2010
|
|
Chwefror 2010
|
|
Mawrth 2010
|
|
Ebrill 2010
|
|
Mai 2010
|
|
Mehefin 2010
|
|
Gorffennaf 2010
|
|
Awst 2010
|
|
Medi 2010
|
|
Hydref 2010
|
|
Tachwedd 2010
|
|
Rhagfyr 2010
|
|
Ionawr 2011
|
|
Chwefror 2011
|
|
Mawrth 2011
|
|
Ebrill 2011
|
|
Mai 2011
|
|
Mehefin 2011
|
|
Gorffennaf 2011
|
|
Awst 2011
|
|
Medi 2011
|
|
Hydref 2011
|
|
Tachwedd 2011
|
|
Rhagfyr 2011
|
|
Ionawr 2012
|
|
Chwefror 2012
|
-0.2
|
Mawrth 2012
|
-1.1
|
Ebrill 2012
|
3.5
|
Mai 2012
|
1.3
|
Mehefin 2012
|
1.3
|
Gorffennaf 2012
|
0.6
|
Awst 2012
|
0.3
|
Medi 2012
|
-0.5
|
Hydref 2012
|
0.8
|
Tachwedd 2012
|
-0.8
|
Rhagfyr 2012
|
1.8
|
Ionawr 2013
|
-0.7
|
Chwefror 2013
|
0.6
|
Mawrth 2013
|
-0.2
|
Ebrill 2013
|
2.9
|
Mai 2013
|
0.4
|
Mehefin 2013
|
0.6
|
Gorffennaf 2013
|
2.7
|
Awst 2013
|
0.7
|
Medi 2013
|
1.6
|
Hydref 2013
|
-0.4
|
Tachwedd 2013
|
1.2
|
Rhagfyr 2013
|
2.6
|
Ionawr 2014
|
0.9
|
Chwefror 2014
|
0.7
|
Mawrth 2014
|
0.9
|
Ebrill 2014
|
3.7
|
Mai 2014
|
2.0
|
Mehefin 2014
|
1.4
|
Gorffennaf 2014
|
2.8
|
Awst 2014
|
1.2
|
Medi 2014
|
-0.1
|
Hydref 2014
|
-0.4
|
Tachwedd 2014
|
-0.3
|
Rhagfyr 2014
|
0.4
|
Ionawr 2015
|
0.2
|
Chwefror 2015
|
0.5
|
Mawrth 2015
|
-0.3
|
Ebrill 2015
|
1.3
|
Mai 2015
|
1.3
|
Mehefin 2015
|
0.6
|
Gorffennaf 2015
|
3.0
|
Awst 2015
|
0.6
|
Medi 2015
|
1.4
|
Hydref 2015
|
-0.6
|
Tachwedd 2015
|
1.6
|
Rhagfyr 2015
|
0.8
|
Ionawr 2016
|
1.6
|
Chwefror 2016
|
-0.5
|
Mawrth 2016
|
1.9
|
Ebrill 2016
|
-0.8
|
Mai 2016
|
1.3
|
Mehefin 2016
|
0.1
|
Gorffennaf 2016
|
1.2
|
Awst 2016
|
-1.0
|
Medi 2016
|
0.5
|
Hydref 2016
|
-0.2
|
Tachwedd 2016
|
0.4
|
Rhagfyr 2016
|
0.5
|
Ionawr 2017
|
0.5
|
Chwefror 2017
|
0.6
|
Mawrth 2017
|
-0.7
|
Ebrill 2017
|
1.5
|
Mai 2017
|
-0.2
|
Mehefin 2017
|
-0.7
|
Gorffennaf 2017
|
2.0
|
Awst 2017
|
-0.5
|
Medi 2017
|
-0.9
|
Hydref 2017
|
-0.0
|
Tachwedd 2017
|
-0.9
|
Rhagfyr 2017
|
0.0
|
Ionawr 2018
|
1.0
|
Chwefror 2018
|
-0.9
|
Mawrth 2018
|
-1.3
|
Ebrill 2018
|
1.0
|
Mai 2018
|
-0.4
|
Mehefin 2018
|
0.7
|
Gorffennaf 2018
|
1.2
|
Awst 2018
|
-1.0
|
Medi 2018
|
-0.8
|
Hydref 2018
|
0.5
|
Tachwedd 2018
|
-0.9
|
Rhagfyr 2018
|
-0.4
|
Ionawr 2019
|
-0.9
|
Chwefror 2019
|
-0.8
|
Mawrth 2019
|
-0.5
|
Ebrill 2019
|
1.8
|
Mai 2019
|
-1.7
|
Mehefin 2019
|
1.4
|
Gorffennaf 2019
|
1.5
|
Awst 2019
|
-1.8
|
Medi 2019
|
1.6
|
Hydref 2019
|
-1.4
|
Tachwedd 2019
|
-0.8
|
Rhagfyr 2019
|
2.8
|
Ionawr 2020
|
-0.6
|
Chwefror 2020
|
-0.6
|
Mawrth 2020
|
2.0
|
Ebrill 2020
|
-1.1
|
Mai 2020
|
-1.7
|
Mehefin 2020
|
1.7
|
Gorffennaf 2020
|
1.0
|
Awst 2020
|
0.8
|
Medi 2020
|
0.5
|
Hydref 2020
|
-2.2
|
Tachwedd 2020
|
2.3
|
Rhagfyr 2020
|
-0.4
|
Ionawr 2021
|
0.1
|
Dyddiad
|
Pryniannau arian parod
|
Ionawr 1995
|
|
Chwefror 1995
|
|
Mawrth 1995
|
|
Ebrill 1995
|
|
Mai 1995
|
|
Mehefin 1995
|
|
Gorffennaf 1995
|
|
Awst 1995
|
|
Medi 1995
|
|
Hydref 1995
|
|
Tachwedd 1995
|
|
Rhagfyr 1995
|
|
Ionawr 1996
|
|
Chwefror 1996
|
|
Mawrth 1996
|
|
Ebrill 1996
|
|
Mai 1996
|
|
Mehefin 1996
|
|
Gorffennaf 1996
|
|
Awst 1996
|
|
Medi 1996
|
|
Hydref 1996
|
|
Tachwedd 1996
|
|
Rhagfyr 1996
|
|
Ionawr 1997
|
|
Chwefror 1997
|
|
Mawrth 1997
|
|
Ebrill 1997
|
|
Mai 1997
|
|
Mehefin 1997
|
|
Gorffennaf 1997
|
|
Awst 1997
|
|
Medi 1997
|
|
Hydref 1997
|
|
Tachwedd 1997
|
|
Rhagfyr 1997
|
|
Ionawr 1998
|
|
Chwefror 1998
|
|
Mawrth 1998
|
|
Ebrill 1998
|
|
Mai 1998
|
|
Mehefin 1998
|
|
Gorffennaf 1998
|
|
Awst 1998
|
|
Medi 1998
|
|
Hydref 1998
|
|
Tachwedd 1998
|
|
Rhagfyr 1998
|
|
Ionawr 1999
|
|
Chwefror 1999
|
|
Mawrth 1999
|
|
Ebrill 1999
|
|
Mai 1999
|
|
Mehefin 1999
|
|
Gorffennaf 1999
|
|
Awst 1999
|
|
Medi 1999
|
|
Hydref 1999
|
|
Tachwedd 1999
|
|
Rhagfyr 1999
|
|
Ionawr 2000
|
|
Chwefror 2000
|
|
Mawrth 2000
|
|
Ebrill 2000
|
|
Mai 2000
|
|
Mehefin 2000
|
|
Gorffennaf 2000
|
|
Awst 2000
|
|
Medi 2000
|
|
Hydref 2000
|
|
Tachwedd 2000
|
|
Rhagfyr 2000
|
|
Ionawr 2001
|
|
Chwefror 2001
|
|
Mawrth 2001
|
|
Ebrill 2001
|
|
Mai 2001
|
|
Mehefin 2001
|
|
Gorffennaf 2001
|
|
Awst 2001
|
|
Medi 2001
|
|
Hydref 2001
|
|
Tachwedd 2001
|
|
Rhagfyr 2001
|
|
Ionawr 2002
|
|
Chwefror 2002
|
|
Mawrth 2002
|
|
Ebrill 2002
|
|
Mai 2002
|
|
Mehefin 2002
|
|
Gorffennaf 2002
|
|
Awst 2002
|
|
Medi 2002
|
|
Hydref 2002
|
|
Tachwedd 2002
|
|
Rhagfyr 2002
|
|
Ionawr 2003
|
|
Chwefror 2003
|
|
Mawrth 2003
|
|
Ebrill 2003
|
|
Mai 2003
|
|
Mehefin 2003
|
|
Gorffennaf 2003
|
|
Awst 2003
|
|
Medi 2003
|
|
Hydref 2003
|
|
Tachwedd 2003
|
|
Rhagfyr 2003
|
|
Ionawr 2004
|
|
Chwefror 2004
|
|
Mawrth 2004
|
|
Ebrill 2004
|
|
Mai 2004
|
|
Mehefin 2004
|
|
Gorffennaf 2004
|
|
Awst 2004
|
|
Medi 2004
|
|
Hydref 2004
|
|
Tachwedd 2004
|
|
Rhagfyr 2004
|
|
Ionawr 2005
|
|
Chwefror 2005
|
|
Mawrth 2005
|
|
Ebrill 2005
|
|
Mai 2005
|
|
Mehefin 2005
|
|
Gorffennaf 2005
|
|
Awst 2005
|
|
Medi 2005
|
|
Hydref 2005
|
|
Tachwedd 2005
|
|
Rhagfyr 2005
|
|
Ionawr 2006
|
|
Chwefror 2006
|
|
Mawrth 2006
|
|
Ebrill 2006
|
|
Mai 2006
|
|
Mehefin 2006
|
|
Gorffennaf 2006
|
|
Awst 2006
|
|
Medi 2006
|
|
Hydref 2006
|
|
Tachwedd 2006
|
|
Rhagfyr 2006
|
|
Ionawr 2007
|
|
Chwefror 2007
|
|
Mawrth 2007
|
|
Ebrill 2007
|
|
Mai 2007
|
|
Mehefin 2007
|
|
Gorffennaf 2007
|
|
Awst 2007
|
|
Medi 2007
|
|
Hydref 2007
|
|
Tachwedd 2007
|
|
Rhagfyr 2007
|
|
Ionawr 2008
|
|
Chwefror 2008
|
|
Mawrth 2008
|
|
Ebrill 2008
|
|
Mai 2008
|
|
Mehefin 2008
|
|
Gorffennaf 2008
|
|
Awst 2008
|
|
Medi 2008
|
|
Hydref 2008
|
|
Tachwedd 2008
|
|
Rhagfyr 2008
|
|
Ionawr 2009
|
|
Chwefror 2009
|
|
Mawrth 2009
|
|
Ebrill 2009
|
|
Mai 2009
|
|
Mehefin 2009
|
|
Gorffennaf 2009
|
|
Awst 2009
|
|
Medi 2009
|
|
Hydref 2009
|
|
Tachwedd 2009
|
|
Rhagfyr 2009
|
|
Ionawr 2010
|
|
Chwefror 2010
|
|
Mawrth 2010
|
|
Ebrill 2010
|
|
Mai 2010
|
|
Mehefin 2010
|
|
Gorffennaf 2010
|
|
Awst 2010
|
|
Medi 2010
|
|
Hydref 2010
|
|
Tachwedd 2010
|
|
Rhagfyr 2010
|
|
Ionawr 2011
|
|
Chwefror 2011
|
|
Mawrth 2011
|
|
Ebrill 2011
|
|
Mai 2011
|
|
Mehefin 2011
|
|
Gorffennaf 2011
|
|
Awst 2011
|
|
Medi 2011
|
|
Hydref 2011
|
|
Tachwedd 2011
|
|
Rhagfyr 2011
|
|
Ionawr 2012
|
72.8
|
Chwefror 2012
|
72.6
|
Mawrth 2012
|
71.8
|
Ebrill 2012
|
74.4
|
Mai 2012
|
75.3
|
Mehefin 2012
|
76.2
|
Gorffennaf 2012
|
76.7
|
Awst 2012
|
76.9
|
Medi 2012
|
76.6
|
Hydref 2012
|
77.2
|
Tachwedd 2012
|
76.6
|
Rhagfyr 2012
|
78.0
|
Ionawr 2013
|
77.4
|
Chwefror 2013
|
77.9
|
Mawrth 2013
|
77.7
|
Ebrill 2013
|
80.0
|
Mai 2013
|
80.3
|
Mehefin 2013
|
80.8
|
Gorffennaf 2013
|
82.9
|
Awst 2013
|
83.5
|
Medi 2013
|
84.8
|
Hydref 2013
|
84.5
|
Tachwedd 2013
|
85.5
|
Rhagfyr 2013
|
87.7
|
Ionawr 2014
|
88.5
|
Chwefror 2014
|
89.1
|
Mawrth 2014
|
89.9
|
Ebrill 2014
|
93.2
|
Mai 2014
|
95.0
|
Mehefin 2014
|
96.3
|
Gorffennaf 2014
|
99.0
|
Awst 2014
|
100.2
|
Medi 2014
|
100.1
|
Hydref 2014
|
99.7
|
Tachwedd 2014
|
99.4
|
Rhagfyr 2014
|
99.8
|
Ionawr 2015
|
100.0
|
Chwefror 2015
|
100.5
|
Mawrth 2015
|
100.2
|
Ebrill 2015
|
101.5
|
Mai 2015
|
102.8
|
Mehefin 2015
|
103.5
|
Gorffennaf 2015
|
106.6
|
Awst 2015
|
107.3
|
Medi 2015
|
108.7
|
Hydref 2015
|
108.1
|
Tachwedd 2015
|
109.8
|
Rhagfyr 2015
|
110.7
|
Ionawr 2016
|
112.5
|
Chwefror 2016
|
112.0
|
Mawrth 2016
|
114.1
|
Ebrill 2016
|
113.2
|
Mai 2016
|
114.6
|
Mehefin 2016
|
114.7
|
Gorffennaf 2016
|
116.1
|
Awst 2016
|
115.0
|
Medi 2016
|
115.5
|
Hydref 2016
|
115.2
|
Tachwedd 2016
|
115.7
|
Rhagfyr 2016
|
116.3
|
Ionawr 2017
|
116.8
|
Chwefror 2017
|
117.6
|
Mawrth 2017
|
116.8
|
Ebrill 2017
|
118.6
|
Mai 2017
|
118.3
|
Mehefin 2017
|
117.4
|
Gorffennaf 2017
|
119.8
|
Awst 2017
|
119.2
|
Medi 2017
|
118.2
|
Hydref 2017
|
118.1
|
Tachwedd 2017
|
117.1
|
Rhagfyr 2017
|
117.1
|
Ionawr 2018
|
118.4
|
Chwefror 2018
|
117.3
|
Mawrth 2018
|
115.8
|
Ebrill 2018
|
116.9
|
Mai 2018
|
116.4
|
Mehefin 2018
|
117.3
|
Gorffennaf 2018
|
118.6
|
Awst 2018
|
117.5
|
Medi 2018
|
116.6
|
Hydref 2018
|
117.2
|
Tachwedd 2018
|
116.1
|
Rhagfyr 2018
|
115.6
|
Ionawr 2019
|
114.6
|
Chwefror 2019
|
113.7
|
Mawrth 2019
|
113.1
|
Ebrill 2019
|
115.1
|
Mai 2019
|
113.2
|
Mehefin 2019
|
114.8
|
Gorffennaf 2019
|
116.5
|
Awst 2019
|
114.3
|
Medi 2019
|
116.1
|
Hydref 2019
|
114.5
|
Tachwedd 2019
|
113.6
|
Rhagfyr 2019
|
116.9
|
Ionawr 2020
|
116.2
|
Chwefror 2020
|
115.5
|
Mawrth 2020
|
117.9
|
Ebrill 2020
|
116.6
|
Mai 2020
|
114.6
|
Mehefin 2020
|
116.6
|
Gorffennaf 2020
|
117.8
|
Awst 2020
|
118.7
|
Medi 2020
|
119.3
|
Hydref 2020
|
116.7
|
Tachwedd 2020
|
119.4
|
Rhagfyr 2020
|
119.0
|
Ionawr 2021
|
119.1
|
Statws yr eiddo
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol a nifer y gwerthiannau yn ôl cyllido yn ôl statws yr eiddo, e.e. Newydd/Presennol
Dyddiad
|
Eiddo presennol
|
Ionawr 1995
|
74707.0
|
Chwefror 1995
|
73089.0
|
Mawrth 1995
|
73957.0
|
Ebrill 1995
|
74705.0
|
Mai 1995
|
75632.0
|
Mehefin 1995
|
75752.0
|
Gorffennaf 1995
|
76276.0
|
Awst 1995
|
75832.0
|
Medi 1995
|
75309.0
|
Hydref 1995
|
74445.0
|
Tachwedd 1995
|
74241.0
|
Rhagfyr 1995
|
75210.0
|
Ionawr 1996
|
75270.0
|
Chwefror 1996
|
75979.0
|
Mawrth 1996
|
75702.0
|
Ebrill 1996
|
76702.0
|
Mai 1996
|
77373.0
|
Mehefin 1996
|
78120.0
|
Gorffennaf 1996
|
78946.0
|
Awst 1996
|
79191.0
|
Medi 1996
|
79862.0
|
Hydref 1996
|
79661.0
|
Tachwedd 1996
|
80293.0
|
Rhagfyr 1996
|
81514.0
|
Ionawr 1997
|
83348.0
|
Chwefror 1997
|
83544.0
|
Mawrth 1997
|
84579.0
|
Ebrill 1997
|
86063.0
|
Mai 1997
|
88649.0
|
Mehefin 1997
|
89379.0
|
Gorffennaf 1997
|
92458.0
|
Awst 1997
|
92396.0
|
Medi 1997
|
94384.0
|
Hydref 1997
|
94298.0
|
Tachwedd 1997
|
95381.0
|
Rhagfyr 1997
|
97005.0
|
Ionawr 1998
|
98136.0
|
Chwefror 1998
|
96895.0
|
Mawrth 1998
|
98842.0
|
Ebrill 1998
|
101314.0
|
Mai 1998
|
101245.0
|
Mehefin 1998
|
102841.0
|
Gorffennaf 1998
|
104536.0
|
Awst 1998
|
104161.0
|
Medi 1998
|
104805.0
|
Hydref 1998
|
104204.0
|
Tachwedd 1998
|
104084.0
|
Rhagfyr 1998
|
104433.0
|
Ionawr 1999
|
105378.0
|
Chwefror 1999
|
105147.0
|
Mawrth 1999
|
107270.0
|
Ebrill 1999
|
109605.0
|
Mai 1999
|
110975.0
|
Mehefin 1999
|
113230.0
|
Gorffennaf 1999
|
116998.0
|
Awst 1999
|
119355.0
|
Medi 1999
|
122450.0
|
Hydref 1999
|
122932.0
|
Tachwedd 1999
|
125782.0
|
Rhagfyr 1999
|
127616.0
|
Ionawr 2000
|
130458.0
|
Chwefror 2000
|
132553.0
|
Mawrth 2000
|
134213.0
|
Ebrill 2000
|
140490.0
|
Mai 2000
|
140730.0
|
Mehefin 2000
|
143372.0
|
Gorffennaf 2000
|
146202.0
|
Awst 2000
|
147151.0
|
Medi 2000
|
147082.0
|
Hydref 2000
|
145352.0
|
Tachwedd 2000
|
147113.0
|
Rhagfyr 2000
|
147010.0
|
Ionawr 2001
|
148946.0
|
Chwefror 2001
|
149114.0
|
Mawrth 2001
|
150332.0
|
Ebrill 2001
|
152168.0
|
Mai 2001
|
156661.0
|
Mehefin 2001
|
158105.0
|
Gorffennaf 2001
|
160739.0
|
Awst 2001
|
164108.0
|
Medi 2001
|
164016.0
|
Hydref 2001
|
165444.0
|
Tachwedd 2001
|
166469.0
|
Rhagfyr 2001
|
166786.0
|
Ionawr 2002
|
168966.0
|
Chwefror 2002
|
169343.0
|
Mawrth 2002
|
171793.0
|
Ebrill 2002
|
177270.0
|
Mai 2002
|
182033.0
|
Mehefin 2002
|
185185.0
|
Gorffennaf 2002
|
190678.0
|
Awst 2002
|
194648.0
|
Medi 2002
|
196530.0
|
Hydref 2002
|
198476.0
|
Tachwedd 2002
|
201962.0
|
Rhagfyr 2002
|
202824.0
|
Ionawr 2003
|
206856.0
|
Chwefror 2003
|
205754.0
|
Mawrth 2003
|
204914.0
|
Ebrill 2003
|
207415.0
|
Mai 2003
|
210195.0
|
Mehefin 2003
|
208226.0
|
Gorffennaf 2003
|
213342.0
|
Awst 2003
|
212336.0
|
Medi 2003
|
212677.0
|
Hydref 2003
|
214311.0
|
Tachwedd 2003
|
215102.0
|
Rhagfyr 2003
|
216441.0
|
Ionawr 2004
|
218412.0
|
Chwefror 2004
|
219009.0
|
Mawrth 2004
|
220672.0
|
Ebrill 2004
|
225702.0
|
Mai 2004
|
226791.0
|
Mehefin 2004
|
229525.0
|
Gorffennaf 2004
|
234151.0
|
Awst 2004
|
234639.0
|
Medi 2004
|
233976.0
|
Hydref 2004
|
232038.0
|
Tachwedd 2004
|
234162.0
|
Rhagfyr 2004
|
229488.0
|
Ionawr 2005
|
231496.0
|
Chwefror 2005
|
230266.0
|
Mawrth 2005
|
230100.0
|
Ebrill 2005
|
233978.0
|
Mai 2005
|
234679.0
|
Mehefin 2005
|
234898.0
|
Gorffennaf 2005
|
237034.0
|
Awst 2005
|
236976.0
|
Medi 2005
|
236055.0
|
Hydref 2005
|
233299.0
|
Tachwedd 2005
|
235328.0
|
Rhagfyr 2005
|
236974.0
|
Ionawr 2006
|
238832.0
|
Chwefror 2006
|
237738.0
|
Mawrth 2006
|
240237.0
|
Ebrill 2006
|
244171.0
|
Mai 2006
|
246312.0
|
Mehefin 2006
|
250363.0
|
Gorffennaf 2006
|
253028.0
|
Awst 2006
|
255966.0
|
Medi 2006
|
256549.0
|
Hydref 2006
|
258152.0
|
Tachwedd 2006
|
258110.0
|
Rhagfyr 2006
|
263536.0
|
Ionawr 2007
|
266697.0
|
Chwefror 2007
|
269797.0
|
Mawrth 2007
|
272622.0
|
Ebrill 2007
|
277998.0
|
Mai 2007
|
281474.0
|
Mehefin 2007
|
285127.0
|
Gorffennaf 2007
|
294580.0
|
Awst 2007
|
296910.0
|
Medi 2007
|
297685.0
|
Hydref 2007
|
297501.0
|
Tachwedd 2007
|
296784.0
|
Rhagfyr 2007
|
297043.0
|
Ionawr 2008
|
297467.0
|
Chwefror 2008
|
294043.0
|
Mawrth 2008
|
292143.0
|
Ebrill 2008
|
292807.0
|
Mai 2008
|
293691.0
|
Mehefin 2008
|
288794.0
|
Gorffennaf 2008
|
289206.0
|
Awst 2008
|
281424.0
|
Medi 2008
|
275502.0
|
Hydref 2008
|
265978.0
|
Tachwedd 2008
|
258021.0
|
Rhagfyr 2008
|
253824.0
|
Ionawr 2009
|
252054.0
|
Chwefror 2009
|
248811.0
|
Mawrth 2009
|
246140.0
|
Ebrill 2009
|
244614.0
|
Mai 2009
|
249567.0
|
Mehefin 2009
|
253379.0
|
Gorffennaf 2009
|
260253.0
|
Awst 2009
|
262692.0
|
Medi 2009
|
267321.0
|
Hydref 2009
|
268925.0
|
Tachwedd 2009
|
267052.0
|
Rhagfyr 2009
|
270587.0
|
Ionawr 2010
|
281423.0
|
Chwefror 2010
|
279313.0
|
Mawrth 2010
|
280886.0
|
Ebrill 2010
|
282771.0
|
Mai 2010
|
282817.0
|
Mehefin 2010
|
285481.0
|
Gorffennaf 2010
|
294441.0
|
Awst 2010
|
291890.0
|
Medi 2010
|
290973.0
|
Hydref 2010
|
286836.0
|
Tachwedd 2010
|
283229.0
|
Rhagfyr 2010
|
285703.0
|
Ionawr 2011
|
288061.0
|
Chwefror 2011
|
285345.0
|
Mawrth 2011
|
286962.0
|
Ebrill 2011
|
293974.0
|
Mai 2011
|
284504.0
|
Mehefin 2011
|
286214.0
|
Gorffennaf 2011
|
296003.0
|
Awst 2011
|
295335.0
|
Medi 2011
|
295961.0
|
Hydref 2011
|
292590.0
|
Tachwedd 2011
|
291148.0
|
Rhagfyr 2011
|
292487.0
|
Ionawr 2012
|
294738.0
|
Chwefror 2012
|
293277.0
|
Mawrth 2012
|
290716.0
|
Ebrill 2012
|
299587.0
|
Mai 2012
|
304777.0
|
Mehefin 2012
|
307672.0
|
Gorffennaf 2012
|
310786.0
|
Awst 2012
|
311546.0
|
Medi 2012
|
309619.0
|
Hydref 2012
|
310776.0
|
Tachwedd 2012
|
308752.0
|
Rhagfyr 2012
|
313943.0
|
Ionawr 2013
|
312562.0
|
Chwefror 2013
|
314294.0
|
Mawrth 2013
|
312526.0
|
Ebrill 2013
|
320946.0
|
Mai 2013
|
322873.0
|
Mehefin 2013
|
324926.0
|
Gorffennaf 2013
|
333848.0
|
Awst 2013
|
336842.0
|
Medi 2013
|
341105.0
|
Hydref 2013
|
340115.0
|
Tachwedd 2013
|
343774.0
|
Rhagfyr 2013
|
351570.0
|
Ionawr 2014
|
355970.0
|
Chwefror 2014
|
357433.0
|
Mawrth 2014
|
361128.0
|
Ebrill 2014
|
375133.0
|
Mai 2014
|
382196.0
|
Mehefin 2014
|
387171.0
|
Gorffennaf 2014
|
399565.0
|
Awst 2014
|
405551.0
|
Medi 2014
|
404431.0
|
Hydref 2014
|
402816.0
|
Tachwedd 2014
|
401729.0
|
Rhagfyr 2014
|
402708.0
|
Ionawr 2015
|
402423.0
|
Chwefror 2015
|
404071.0
|
Mawrth 2015
|
404183.0
|
Ebrill 2015
|
409980.0
|
Mai 2015
|
415486.0
|
Mehefin 2015
|
420114.0
|
Gorffennaf 2015
|
431913.0
|
Awst 2015
|
436810.0
|
Medi 2015
|
440322.0
|
Hydref 2015
|
440782.0
|
Tachwedd 2015
|
445904.0
|
Rhagfyr 2015
|
449493.0
|
Ionawr 2016
|
457279.0
|
Chwefror 2016
|
458591.0
|
Mawrth 2016
|
466218.0
|
Ebrill 2016
|
460001.0
|
Mai 2016
|
465689.0
|
Mehefin 2016
|
467767.0
|
Gorffennaf 2016
|
475567.0
|
Awst 2016
|
471960.0
|
Medi 2016
|
471599.0
|
Hydref 2016
|
469951.0
|
Tachwedd 2016
|
470116.0
|
Rhagfyr 2016
|
471705.0
|
Ionawr 2017
|
474111.0
|
Chwefror 2017
|
474821.0
|
Mawrth 2017
|
474278.0
|
Ebrill 2017
|
478660.0
|
Mai 2017
|
479921.0
|
Mehefin 2017
|
479695.0
|
Gorffennaf 2017
|
487808.0
|
Awst 2017
|
486698.0
|
Medi 2017
|
482972.0
|
Hydref 2017
|
480395.0
|
Tachwedd 2017
|
475957.0
|
Rhagfyr 2017
|
476248.0
|
Ionawr 2018
|
478329.0
|
Chwefror 2018
|
472869.0
|
Mawrth 2018
|
470875.0
|
Ebrill 2018
|
474977.0
|
Mai 2018
|
477907.0
|
Mehefin 2018
|
479518.0
|
Gorffennaf 2018
|
484483.0
|
Awst 2018
|
478123.0
|
Medi 2018
|
476623.0
|
Hydref 2018
|
478582.0
|
Tachwedd 2018
|
475729.0
|
Rhagfyr 2018
|
472235.0
|
Ionawr 2019
|
469134.0
|
Chwefror 2019
|
463520.0
|
Mawrth 2019
|
462630.0
|
Ebrill 2019
|
468099.0
|
Mai 2019
|
463035.0
|
Mehefin 2019
|
470860.0
|
Gorffennaf 2019
|
476460.0
|
Awst 2019
|
472673.0
|
Medi 2019
|
475330.0
|
Hydref 2019
|
471439.0
|
Tachwedd 2019
|
470541.0
|
Rhagfyr 2019
|
480355.0
|
Ionawr 2020
|
473042.0
|
Chwefror 2020
|
475176.0
|
Mawrth 2020
|
481785.0
|
Ebrill 2020
|
473985.0
|
Mai 2020
|
470309.0
|
Mehefin 2020
|
482863.0
|
Gorffennaf 2020
|
483702.0
|
Awst 2020
|
489852.0
|
Medi 2020
|
494612.0
|
Hydref 2020
|
488688.0
|
Tachwedd 2020
|
498382.0
|
Rhagfyr 2020
|
497880.0
|
Ionawr 2021
|
497622.0
|
Dyddiad
|
Eiddo presennol
|
Ionawr 1995
|
|
Chwefror 1995
|
|
Mawrth 1995
|
|
Ebrill 1995
|
|
Mai 1995
|
|
Mehefin 1995
|
|
Gorffennaf 1995
|
|
Awst 1995
|
|
Medi 1995
|
|
Hydref 1995
|
|
Tachwedd 1995
|
|
Rhagfyr 1995
|
|
Ionawr 1996
|
0.8
|
Chwefror 1996
|
4.0
|
Mawrth 1996
|
2.4
|
Ebrill 1996
|
2.7
|
Mai 1996
|
2.3
|
Mehefin 1996
|
3.1
|
Gorffennaf 1996
|
3.5
|
Awst 1996
|
4.4
|
Medi 1996
|
6.0
|
Hydref 1996
|
7.0
|
Tachwedd 1996
|
8.2
|
Rhagfyr 1996
|
8.4
|
Ionawr 1997
|
10.7
|
Chwefror 1997
|
10.0
|
Mawrth 1997
|
11.7
|
Ebrill 1997
|
12.2
|
Mai 1997
|
14.6
|
Mehefin 1997
|
14.4
|
Gorffennaf 1997
|
17.1
|
Awst 1997
|
16.7
|
Medi 1997
|
18.2
|
Hydref 1997
|
18.4
|
Tachwedd 1997
|
18.8
|
Rhagfyr 1997
|
19.0
|
Ionawr 1998
|
17.7
|
Chwefror 1998
|
16.0
|
Mawrth 1998
|
16.9
|
Ebrill 1998
|
17.7
|
Mai 1998
|
14.2
|
Mehefin 1998
|
15.1
|
Gorffennaf 1998
|
13.1
|
Awst 1998
|
12.7
|
Medi 1998
|
11.0
|
Hydref 1998
|
10.5
|
Tachwedd 1998
|
9.1
|
Rhagfyr 1998
|
7.7
|
Ionawr 1999
|
7.4
|
Chwefror 1999
|
8.5
|
Mawrth 1999
|
8.5
|
Ebrill 1999
|
8.2
|
Mai 1999
|
9.6
|
Mehefin 1999
|
10.1
|
Gorffennaf 1999
|
11.9
|
Awst 1999
|
14.6
|
Medi 1999
|
16.8
|
Hydref 1999
|
18.0
|
Tachwedd 1999
|
20.8
|
Rhagfyr 1999
|
22.2
|
Ionawr 2000
|
23.8
|
Chwefror 2000
|
26.1
|
Mawrth 2000
|
25.1
|
Ebrill 2000
|
28.2
|
Mai 2000
|
26.8
|
Mehefin 2000
|
26.6
|
Gorffennaf 2000
|
25.0
|
Awst 2000
|
23.3
|
Medi 2000
|
20.1
|
Hydref 2000
|
18.2
|
Tachwedd 2000
|
17.0
|
Rhagfyr 2000
|
15.2
|
Ionawr 2001
|
14.2
|
Chwefror 2001
|
12.5
|
Mawrth 2001
|
12.0
|
Ebrill 2001
|
8.3
|
Mai 2001
|
11.3
|
Mehefin 2001
|
10.3
|
Gorffennaf 2001
|
9.9
|
Awst 2001
|
11.5
|
Medi 2001
|
11.5
|
Hydref 2001
|
13.8
|
Tachwedd 2001
|
13.2
|
Rhagfyr 2001
|
13.4
|
Ionawr 2002
|
13.4
|
Chwefror 2002
|
13.6
|
Mawrth 2002
|
14.3
|
Ebrill 2002
|
16.5
|
Mai 2002
|
16.2
|
Mehefin 2002
|
17.1
|
Gorffennaf 2002
|
18.6
|
Awst 2002
|
18.6
|
Medi 2002
|
19.8
|
Hydref 2002
|
20.0
|
Tachwedd 2002
|
21.3
|
Rhagfyr 2002
|
21.6
|
Ionawr 2003
|
22.4
|
Chwefror 2003
|
21.5
|
Mawrth 2003
|
19.3
|
Ebrill 2003
|
17.0
|
Mai 2003
|
15.5
|
Mehefin 2003
|
12.4
|
Gorffennaf 2003
|
11.9
|
Awst 2003
|
9.1
|
Medi 2003
|
8.2
|
Hydref 2003
|
8.0
|
Tachwedd 2003
|
6.5
|
Rhagfyr 2003
|
6.7
|
Ionawr 2004
|
5.6
|
Chwefror 2004
|
6.4
|
Mawrth 2004
|
7.7
|
Ebrill 2004
|
8.8
|
Mai 2004
|
7.9
|
Mehefin 2004
|
10.2
|
Gorffennaf 2004
|
9.8
|
Awst 2004
|
10.5
|
Medi 2004
|
10.0
|
Hydref 2004
|
8.3
|
Tachwedd 2004
|
8.9
|
Rhagfyr 2004
|
6.0
|
Ionawr 2005
|
6.0
|
Chwefror 2005
|
5.1
|
Mawrth 2005
|
4.3
|
Ebrill 2005
|
3.7
|
Mai 2005
|
3.5
|
Mehefin 2005
|
2.3
|
Gorffennaf 2005
|
1.2
|
Awst 2005
|
1.0
|
Medi 2005
|
0.9
|
Hydref 2005
|
0.5
|
Tachwedd 2005
|
0.5
|
Rhagfyr 2005
|
3.3
|
Ionawr 2006
|
3.2
|
Chwefror 2006
|
3.2
|
Mawrth 2006
|
4.4
|
Ebrill 2006
|
4.4
|
Mai 2006
|
5.0
|
Mehefin 2006
|
6.6
|
Gorffennaf 2006
|
6.8
|
Awst 2006
|
8.0
|
Medi 2006
|
8.7
|
Hydref 2006
|
10.6
|
Tachwedd 2006
|
9.7
|
Rhagfyr 2006
|
11.2
|
Ionawr 2007
|
11.7
|
Chwefror 2007
|
13.5
|
Mawrth 2007
|
13.5
|
Ebrill 2007
|
13.8
|
Mai 2007
|
14.3
|
Mehefin 2007
|
13.9
|
Gorffennaf 2007
|
16.4
|
Awst 2007
|
16.0
|
Medi 2007
|
16.0
|
Hydref 2007
|
15.2
|
Tachwedd 2007
|
15.0
|
Rhagfyr 2007
|
12.7
|
Ionawr 2008
|
11.5
|
Chwefror 2008
|
9.0
|
Mawrth 2008
|
7.2
|
Ebrill 2008
|
5.3
|
Mai 2008
|
4.3
|
Mehefin 2008
|
1.3
|
Gorffennaf 2008
|
-1.8
|
Awst 2008
|
-5.2
|
Medi 2008
|
-7.4
|
Hydref 2008
|
-10.6
|
Tachwedd 2008
|
-13.1
|
Rhagfyr 2008
|
-14.6
|
Ionawr 2009
|
-15.3
|
Chwefror 2009
|
-15.4
|
Mawrth 2009
|
-15.8
|
Ebrill 2009
|
-16.5
|
Mai 2009
|
-15.0
|
Mehefin 2009
|
-12.3
|
Gorffennaf 2009
|
-10.0
|
Awst 2009
|
-6.7
|
Medi 2009
|
-3.0
|
Hydref 2009
|
1.1
|
Tachwedd 2009
|
3.5
|
Rhagfyr 2009
|
6.6
|
Ionawr 2010
|
11.6
|
Chwefror 2010
|
12.3
|
Mawrth 2010
|
14.1
|
Ebrill 2010
|
15.6
|
Mai 2010
|
13.3
|
Mehefin 2010
|
12.7
|
Gorffennaf 2010
|
13.1
|
Awst 2010
|
11.1
|
Medi 2010
|
8.8
|
Hydref 2010
|
6.7
|
Tachwedd 2010
|
6.1
|
Rhagfyr 2010
|
5.6
|
Ionawr 2011
|
2.4
|
Chwefror 2011
|
2.2
|
Mawrth 2011
|
2.2
|
Ebrill 2011
|
4.0
|
Mai 2011
|
0.6
|
Mehefin 2011
|
0.3
|
Gorffennaf 2011
|
0.5
|
Awst 2011
|
1.2
|
Medi 2011
|
1.7
|
Hydref 2011
|
2.0
|
Tachwedd 2011
|
2.8
|
Rhagfyr 2011
|
2.4
|
Ionawr 2012
|
2.3
|
Chwefror 2012
|
2.8
|
Mawrth 2012
|
1.3
|
Ebrill 2012
|
1.9
|
Mai 2012
|
7.1
|
Mehefin 2012
|
7.5
|
Gorffennaf 2012
|
5.0
|
Awst 2012
|
5.5
|
Medi 2012
|
4.6
|
Hydref 2012
|
6.2
|
Tachwedd 2012
|
6.0
|
Rhagfyr 2012
|
7.3
|
Ionawr 2013
|
6.0
|
Chwefror 2013
|
7.2
|
Mawrth 2013
|
7.5
|
Ebrill 2013
|
7.1
|
Mai 2013
|
5.9
|
Mehefin 2013
|
5.6
|
Gorffennaf 2013
|
7.4
|
Awst 2013
|
8.1
|
Medi 2013
|
10.2
|
Hydref 2013
|
9.4
|
Tachwedd 2013
|
11.3
|
Rhagfyr 2013
|
12.0
|
Ionawr 2014
|
13.9
|
Chwefror 2014
|
13.7
|
Mawrth 2014
|
15.6
|
Ebrill 2014
|
16.9
|
Mai 2014
|
18.4
|
Mehefin 2014
|
19.2
|
Gorffennaf 2014
|
19.7
|
Awst 2014
|
20.4
|
Medi 2014
|
18.6
|
Hydref 2014
|
18.4
|
Tachwedd 2014
|
16.9
|
Rhagfyr 2014
|
14.6
|
Ionawr 2015
|
13.0
|
Chwefror 2015
|
13.0
|
Mawrth 2015
|
11.9
|
Ebrill 2015
|
9.3
|
Mai 2015
|
8.7
|
Mehefin 2015
|
8.5
|
Gorffennaf 2015
|
8.1
|
Awst 2015
|
7.7
|
Medi 2015
|
8.9
|
Hydref 2015
|
9.4
|
Tachwedd 2015
|
11.0
|
Rhagfyr 2015
|
11.6
|
Ionawr 2016
|
13.6
|
Chwefror 2016
|
13.5
|
Mawrth 2016
|
15.4
|
Ebrill 2016
|
12.2
|
Mai 2016
|
12.1
|
Mehefin 2016
|
11.3
|
Gorffennaf 2016
|
10.1
|
Awst 2016
|
8.0
|
Medi 2016
|
7.1
|
Hydref 2016
|
6.6
|
Tachwedd 2016
|
5.4
|
Rhagfyr 2016
|
4.9
|
Ionawr 2017
|
3.7
|
Chwefror 2017
|
3.5
|
Mawrth 2017
|
1.7
|
Ebrill 2017
|
4.1
|
Mai 2017
|
3.1
|
Mehefin 2017
|
2.6
|
Gorffennaf 2017
|
2.6
|
Awst 2017
|
3.1
|
Medi 2017
|
2.4
|
Hydref 2017
|
2.2
|
Tachwedd 2017
|
1.2
|
Rhagfyr 2017
|
1.0
|
Ionawr 2018
|
0.9
|
Chwefror 2018
|
-0.4
|
Mawrth 2018
|
-0.7
|
Ebrill 2018
|
-0.8
|
Mai 2018
|
-0.4
|
Mehefin 2018
|
-0.0
|
Gorffennaf 2018
|
-0.7
|
Awst 2018
|
-1.8
|
Medi 2018
|
-1.3
|
Hydref 2018
|
-0.4
|
Tachwedd 2018
|
-0.1
|
Rhagfyr 2018
|
-0.8
|
Ionawr 2019
|
-1.9
|
Chwefror 2019
|
-2.0
|
Mawrth 2019
|
-1.8
|
Ebrill 2019
|
-1.4
|
Mai 2019
|
-3.1
|
Mehefin 2019
|
-1.8
|
Gorffennaf 2019
|
-1.7
|
Awst 2019
|
-1.1
|
Medi 2019
|
-0.3
|
Hydref 2019
|
-1.5
|
Tachwedd 2019
|
-1.1
|
Rhagfyr 2019
|
1.7
|
Ionawr 2020
|
0.8
|
Chwefror 2020
|
2.5
|
Mawrth 2020
|
4.1
|
Ebrill 2020
|
1.3
|
Mai 2020
|
1.6
|
Mehefin 2020
|
2.6
|
Gorffennaf 2020
|
1.5
|
Awst 2020
|
3.6
|
Medi 2020
|
4.1
|
Hydref 2020
|
3.7
|
Tachwedd 2020
|
5.9
|
Rhagfyr 2020
|
3.6
|
Ionawr 2021
|
5.2
|
Dyddiad
|
Eiddo presennol
|
Ionawr 1995
|
|
Chwefror 1995
|
-2.2
|
Mawrth 1995
|
1.2
|
Ebrill 1995
|
1.0
|
Mai 1995
|
1.2
|
Mehefin 1995
|
0.2
|
Gorffennaf 1995
|
0.7
|
Awst 1995
|
-0.6
|
Medi 1995
|
-0.7
|
Hydref 1995
|
-1.2
|
Tachwedd 1995
|
-0.3
|
Rhagfyr 1995
|
1.3
|
Ionawr 1996
|
0.1
|
Chwefror 1996
|
0.9
|
Mawrth 1996
|
-0.4
|
Ebrill 1996
|
1.3
|
Mai 1996
|
0.9
|
Mehefin 1996
|
1.0
|
Gorffennaf 1996
|
1.1
|
Awst 1996
|
0.3
|
Medi 1996
|
0.8
|
Hydref 1996
|
-0.2
|
Tachwedd 1996
|
0.8
|
Rhagfyr 1996
|
1.5
|
Ionawr 1997
|
2.2
|
Chwefror 1997
|
0.2
|
Mawrth 1997
|
1.2
|
Ebrill 1997
|
1.8
|
Mai 1997
|
3.0
|
Mehefin 1997
|
0.8
|
Gorffennaf 1997
|
3.4
|
Awst 1997
|
-0.1
|
Medi 1997
|
2.2
|
Hydref 1997
|
-0.1
|
Tachwedd 1997
|
1.2
|
Rhagfyr 1997
|
1.7
|
Ionawr 1998
|
1.2
|
Chwefror 1998
|
-1.3
|
Mawrth 1998
|
2.0
|
Ebrill 1998
|
2.5
|
Mai 1998
|
-0.1
|
Mehefin 1998
|
1.6
|
Gorffennaf 1998
|
1.6
|
Awst 1998
|
-0.4
|
Medi 1998
|
0.6
|
Hydref 1998
|
-0.6
|
Tachwedd 1998
|
-0.1
|
Rhagfyr 1998
|
0.3
|
Ionawr 1999
|
0.9
|
Chwefror 1999
|
-0.2
|
Mawrth 1999
|
2.0
|
Ebrill 1999
|
2.2
|
Mai 1999
|
1.2
|
Mehefin 1999
|
2.0
|
Gorffennaf 1999
|
3.3
|
Awst 1999
|
2.0
|
Medi 1999
|
2.6
|
Hydref 1999
|
0.4
|
Tachwedd 1999
|
2.3
|
Rhagfyr 1999
|
1.5
|
Ionawr 2000
|
2.2
|
Chwefror 2000
|
1.6
|
Mawrth 2000
|
1.2
|
Ebrill 2000
|
4.7
|
Mai 2000
|
0.2
|
Mehefin 2000
|
1.9
|
Gorffennaf 2000
|
2.0
|
Awst 2000
|
0.6
|
Medi 2000
|
-0.1
|
Hydref 2000
|
-1.2
|
Tachwedd 2000
|
1.2
|
Rhagfyr 2000
|
-0.1
|
Ionawr 2001
|
1.3
|
Chwefror 2001
|
0.1
|
Mawrth 2001
|
0.8
|
Ebrill 2001
|
1.2
|
Mai 2001
|
3.0
|
Mehefin 2001
|
0.9
|
Gorffennaf 2001
|
1.7
|
Awst 2001
|
2.1
|
Medi 2001
|
-0.1
|
Hydref 2001
|
0.9
|
Tachwedd 2001
|
0.6
|
Rhagfyr 2001
|
0.2
|
Ionawr 2002
|
1.3
|
Chwefror 2002
|
0.2
|
Mawrth 2002
|
1.4
|
Ebrill 2002
|
3.2
|
Mai 2002
|
2.7
|
Mehefin 2002
|
1.7
|
Gorffennaf 2002
|
3.0
|
Awst 2002
|
2.1
|
Medi 2002
|
1.0
|
Hydref 2002
|
1.0
|
Tachwedd 2002
|
1.8
|
Rhagfyr 2002
|
0.4
|
Ionawr 2003
|
2.0
|
Chwefror 2003
|
-0.5
|
Mawrth 2003
|
-0.4
|
Ebrill 2003
|
1.2
|
Mai 2003
|
1.3
|
Mehefin 2003
|
-0.9
|
Gorffennaf 2003
|
2.5
|
Awst 2003
|
-0.5
|
Medi 2003
|
0.2
|
Hydref 2003
|
0.8
|
Tachwedd 2003
|
0.4
|
Rhagfyr 2003
|
0.6
|
Ionawr 2004
|
0.9
|
Chwefror 2004
|
0.3
|
Mawrth 2004
|
0.8
|
Ebrill 2004
|
2.3
|
Mai 2004
|
0.5
|
Mehefin 2004
|
1.2
|
Gorffennaf 2004
|
2.0
|
Awst 2004
|
0.2
|
Medi 2004
|
-0.3
|
Hydref 2004
|
-0.8
|
Tachwedd 2004
|
0.9
|
Rhagfyr 2004
|
-2.0
|
Ionawr 2005
|
0.9
|
Chwefror 2005
|
-0.5
|
Mawrth 2005
|
-0.1
|
Ebrill 2005
|
1.7
|
Mai 2005
|
0.3
|
Mehefin 2005
|
0.1
|
Gorffennaf 2005
|
0.9
|
Awst 2005
|
-0.0
|
Medi 2005
|
-0.4
|
Hydref 2005
|
-1.2
|
Tachwedd 2005
|
0.9
|
Rhagfyr 2005
|
0.7
|
Ionawr 2006
|
0.8
|
Chwefror 2006
|
-0.5
|
Mawrth 2006
|
1.0
|
Ebrill 2006
|
1.6
|
Mai 2006
|
0.9
|
Mehefin 2006
|
1.6
|
Gorffennaf 2006
|
1.1
|
Awst 2006
|
1.2
|
Medi 2006
|
0.2
|
Hydref 2006
|
0.6
|
Tachwedd 2006
|
-0.0
|
Rhagfyr 2006
|
2.1
|
Ionawr 2007
|
1.2
|
Chwefror 2007
|
1.2
|
Mawrth 2007
|
1.0
|
Ebrill 2007
|
2.0
|
Mai 2007
|
1.2
|
Mehefin 2007
|
1.3
|
Gorffennaf 2007
|
3.3
|
Awst 2007
|
0.8
|
Medi 2007
|
0.3
|
Hydref 2007
|
-0.1
|
Tachwedd 2007
|
-0.2
|
Rhagfyr 2007
|
0.1
|
Ionawr 2008
|
0.1
|
Chwefror 2008
|
-1.2
|
Mawrth 2008
|
-0.6
|
Ebrill 2008
|
0.2
|
Mai 2008
|
0.3
|
Mehefin 2008
|
-1.7
|
Gorffennaf 2008
|
0.1
|
Awst 2008
|
-2.7
|
Medi 2008
|
-2.1
|
Hydref 2008
|
-3.5
|
Tachwedd 2008
|
-3.0
|
Rhagfyr 2008
|
-1.6
|
Ionawr 2009
|
-0.7
|
Chwefror 2009
|
-1.3
|
Mawrth 2009
|
-1.1
|
Ebrill 2009
|
-0.6
|
Mai 2009
|
2.0
|
Mehefin 2009
|
1.5
|
Gorffennaf 2009
|
2.7
|
Awst 2009
|
0.9
|
Medi 2009
|
1.8
|
Hydref 2009
|
0.6
|
Tachwedd 2009
|
-0.7
|
Rhagfyr 2009
|
1.3
|
Ionawr 2010
|
4.0
|
Chwefror 2010
|
-0.8
|
Mawrth 2010
|
0.6
|
Ebrill 2010
|
0.7
|
Mai 2010
|
0.0
|
Mehefin 2010
|
0.9
|
Gorffennaf 2010
|
3.1
|
Awst 2010
|
-0.9
|
Medi 2010
|
-0.3
|
Hydref 2010
|
-1.4
|
Tachwedd 2010
|
-1.3
|
Rhagfyr 2010
|
0.9
|
Ionawr 2011
|
0.8
|
Chwefror 2011
|
-0.9
|
Mawrth 2011
|
0.6
|
Ebrill 2011
|
2.4
|
Mai 2011
|
-3.2
|
Mehefin 2011
|
0.6
|
Gorffennaf 2011
|
3.4
|
Awst 2011
|
-0.2
|
Medi 2011
|
0.2
|
Hydref 2011
|
-1.1
|
Tachwedd 2011
|
-0.5
|
Rhagfyr 2011
|
0.5
|
Ionawr 2012
|
0.8
|
Chwefror 2012
|
-0.5
|
Mawrth 2012
|
-0.9
|
Ebrill 2012
|
3.0
|
Mai 2012
|
1.7
|
Mehefin 2012
|
1.0
|
Gorffennaf 2012
|
1.0
|
Awst 2012
|
0.2
|
Medi 2012
|
-0.6
|
Hydref 2012
|
0.4
|
Tachwedd 2012
|
-0.6
|
Rhagfyr 2012
|
1.7
|
Ionawr 2013
|
-0.4
|
Chwefror 2013
|
0.6
|
Mawrth 2013
|
-0.6
|
Ebrill 2013
|
2.7
|
Mai 2013
|
0.6
|
Mehefin 2013
|
0.6
|
Gorffennaf 2013
|
2.8
|
Awst 2013
|
0.9
|
Medi 2013
|
1.3
|
Hydref 2013
|
-0.3
|
Tachwedd 2013
|
1.1
|
Rhagfyr 2013
|
2.3
|
Ionawr 2014
|
1.2
|
Chwefror 2014
|
0.4
|
Mawrth 2014
|
1.0
|
Ebrill 2014
|
3.9
|
Mai 2014
|
1.9
|
Mehefin 2014
|
1.3
|
Gorffennaf 2014
|
3.2
|
Awst 2014
|
1.5
|
Medi 2014
|
-0.3
|
Hydref 2014
|
-0.4
|
Tachwedd 2014
|
-0.3
|
Rhagfyr 2014
|
0.2
|
Ionawr 2015
|
-0.1
|
Chwefror 2015
|
0.4
|
Mawrth 2015
|
0.0
|
Ebrill 2015
|
1.4
|
Mai 2015
|
1.3
|
Mehefin 2015
|
1.1
|
Gorffennaf 2015
|
2.8
|
Awst 2015
|
1.1
|
Medi 2015
|
0.8
|
Hydref 2015
|
0.1
|
Tachwedd 2015
|
1.2
|
Rhagfyr 2015
|
0.8
|
Ionawr 2016
|
1.7
|
Chwefror 2016
|
0.3
|
Mawrth 2016
|
1.7
|
Ebrill 2016
|
-1.3
|
Mai 2016
|
1.2
|
Mehefin 2016
|
0.4
|
Gorffennaf 2016
|
1.7
|
Awst 2016
|
-0.8
|
Medi 2016
|
-0.1
|
Hydref 2016
|
-0.4
|
Tachwedd 2016
|
0.0
|
Rhagfyr 2016
|
0.3
|
Ionawr 2017
|
0.5
|
Chwefror 2017
|
0.2
|
Mawrth 2017
|
-0.1
|
Ebrill 2017
|
0.9
|
Mai 2017
|
0.3
|
Mehefin 2017
|
-0.1
|
Gorffennaf 2017
|
1.7
|
Awst 2017
|
-0.2
|
Medi 2017
|
-0.8
|
Hydref 2017
|
-0.5
|
Tachwedd 2017
|
-0.9
|
Rhagfyr 2017
|
0.1
|
Ionawr 2018
|
0.4
|
Chwefror 2018
|
-1.1
|
Mawrth 2018
|
-0.4
|
Ebrill 2018
|
0.9
|
Mai 2018
|
0.6
|
Mehefin 2018
|
0.3
|
Gorffennaf 2018
|
1.0
|
Awst 2018
|
-1.3
|
Medi 2018
|
-0.3
|
Hydref 2018
|
0.4
|
Tachwedd 2018
|
-0.6
|
Rhagfyr 2018
|
-0.7
|
Ionawr 2019
|
-0.7
|
Chwefror 2019
|
-1.2
|
Mawrth 2019
|
-0.2
|
Ebrill 2019
|
1.2
|
Mai 2019
|
-1.1
|
Mehefin 2019
|
1.7
|
Gorffennaf 2019
|
1.2
|
Awst 2019
|
-0.8
|
Medi 2019
|
0.6
|
Hydref 2019
|
-0.8
|
Tachwedd 2019
|
-0.2
|
Rhagfyr 2019
|
2.1
|
Ionawr 2020
|
-1.5
|
Chwefror 2020
|
0.4
|
Mawrth 2020
|
1.4
|
Ebrill 2020
|
-1.6
|
Mai 2020
|
-0.8
|
Mehefin 2020
|
2.7
|
Gorffennaf 2020
|
0.2
|
Awst 2020
|
1.3
|
Medi 2020
|
1.0
|
Hydref 2020
|
-1.2
|
Tachwedd 2020
|
2.0
|
Rhagfyr 2020
|
-0.1
|
Ionawr 2021
|
-0.1
|
Dyddiad
|
Eiddo presennol
|
Ionawr 1995
|
18.6
|
Chwefror 1995
|
18.2
|
Mawrth 1995
|
18.4
|
Ebrill 1995
|
18.6
|
Mai 1995
|
18.8
|
Mehefin 1995
|
18.8
|
Gorffennaf 1995
|
19.0
|
Awst 1995
|
18.8
|
Medi 1995
|
18.7
|
Hydref 1995
|
18.5
|
Tachwedd 1995
|
18.4
|
Rhagfyr 1995
|
18.7
|
Ionawr 1996
|
18.7
|
Chwefror 1996
|
18.9
|
Mawrth 1996
|
18.8
|
Ebrill 1996
|
19.1
|
Mai 1996
|
19.2
|
Mehefin 1996
|
19.4
|
Gorffennaf 1996
|
19.6
|
Awst 1996
|
19.7
|
Medi 1996
|
19.8
|
Hydref 1996
|
19.8
|
Tachwedd 1996
|
20.0
|
Rhagfyr 1996
|
20.3
|
Ionawr 1997
|
20.7
|
Chwefror 1997
|
20.8
|
Mawrth 1997
|
21.0
|
Ebrill 1997
|
21.4
|
Mai 1997
|
22.0
|
Mehefin 1997
|
22.2
|
Gorffennaf 1997
|
23.0
|
Awst 1997
|
23.0
|
Medi 1997
|
23.4
|
Hydref 1997
|
23.4
|
Tachwedd 1997
|
23.7
|
Rhagfyr 1997
|
24.1
|
Ionawr 1998
|
24.4
|
Chwefror 1998
|
24.1
|
Mawrth 1998
|
24.6
|
Ebrill 1998
|
25.2
|
Mai 1998
|
25.2
|
Mehefin 1998
|
25.6
|
Gorffennaf 1998
|
26.0
|
Awst 1998
|
25.9
|
Medi 1998
|
26.0
|
Hydref 1998
|
25.9
|
Tachwedd 1998
|
25.9
|
Rhagfyr 1998
|
26.0
|
Ionawr 1999
|
26.2
|
Chwefror 1999
|
26.1
|
Mawrth 1999
|
26.7
|
Ebrill 1999
|
27.2
|
Mai 1999
|
27.6
|
Mehefin 1999
|
28.1
|
Gorffennaf 1999
|
29.1
|
Awst 1999
|
29.7
|
Medi 1999
|
30.4
|
Hydref 1999
|
30.6
|
Tachwedd 1999
|
31.3
|
Rhagfyr 1999
|
31.7
|
Ionawr 2000
|
32.4
|
Chwefror 2000
|
32.9
|
Mawrth 2000
|
33.4
|
Ebrill 2000
|
34.9
|
Mai 2000
|
35.0
|
Mehefin 2000
|
35.6
|
Gorffennaf 2000
|
36.3
|
Awst 2000
|
36.6
|
Medi 2000
|
36.6
|
Hydref 2000
|
36.1
|
Tachwedd 2000
|
36.6
|
Rhagfyr 2000
|
36.5
|
Ionawr 2001
|
37.0
|
Chwefror 2001
|
37.0
|
Mawrth 2001
|
37.4
|
Ebrill 2001
|
37.8
|
Mai 2001
|
38.9
|
Mehefin 2001
|
39.3
|
Gorffennaf 2001
|
39.9
|
Awst 2001
|
40.8
|
Medi 2001
|
40.8
|
Hydref 2001
|
41.1
|
Tachwedd 2001
|
41.4
|
Rhagfyr 2001
|
41.4
|
Ionawr 2002
|
42.0
|
Chwefror 2002
|
42.1
|
Mawrth 2002
|
42.7
|
Ebrill 2002
|
44.0
|
Mai 2002
|
45.2
|
Mehefin 2002
|
46.0
|
Gorffennaf 2002
|
47.4
|
Awst 2002
|
48.4
|
Medi 2002
|
48.8
|
Hydref 2002
|
49.3
|
Tachwedd 2002
|
50.2
|
Rhagfyr 2002
|
50.4
|
Ionawr 2003
|
51.4
|
Chwefror 2003
|
51.1
|
Mawrth 2003
|
50.9
|
Ebrill 2003
|
51.5
|
Mai 2003
|
52.2
|
Mehefin 2003
|
51.7
|
Gorffennaf 2003
|
53.0
|
Awst 2003
|
52.8
|
Medi 2003
|
52.8
|
Hydref 2003
|
53.3
|
Tachwedd 2003
|
53.4
|
Rhagfyr 2003
|
53.8
|
Ionawr 2004
|
54.3
|
Chwefror 2004
|
54.4
|
Mawrth 2004
|
54.8
|
Ebrill 2004
|
56.1
|
Mai 2004
|
56.4
|
Mehefin 2004
|
57.0
|
Gorffennaf 2004
|
58.2
|
Awst 2004
|
58.3
|
Medi 2004
|
58.1
|
Hydref 2004
|
57.7
|
Tachwedd 2004
|
58.2
|
Rhagfyr 2004
|
57.0
|
Ionawr 2005
|
57.5
|
Chwefror 2005
|
57.2
|
Mawrth 2005
|
57.2
|
Ebrill 2005
|
58.1
|
Mai 2005
|
58.3
|
Mehefin 2005
|
58.4
|
Gorffennaf 2005
|
58.9
|
Awst 2005
|
58.9
|
Medi 2005
|
58.7
|
Hydref 2005
|
58.0
|
Tachwedd 2005
|
58.5
|
Rhagfyr 2005
|
58.9
|
Ionawr 2006
|
59.4
|
Chwefror 2006
|
59.1
|
Mawrth 2006
|
59.7
|
Ebrill 2006
|
60.7
|
Mai 2006
|
61.2
|
Mehefin 2006
|
62.2
|
Gorffennaf 2006
|
62.9
|
Awst 2006
|
63.6
|
Medi 2006
|
63.8
|
Hydref 2006
|
64.2
|
Tachwedd 2006
|
64.1
|
Rhagfyr 2006
|
65.5
|
Ionawr 2007
|
66.3
|
Chwefror 2007
|
67.0
|
Mawrth 2007
|
67.8
|
Ebrill 2007
|
69.1
|
Mai 2007
|
69.9
|
Mehefin 2007
|
70.8
|
Gorffennaf 2007
|
73.2
|
Awst 2007
|
73.8
|
Medi 2007
|
74.0
|
Hydref 2007
|
73.9
|
Tachwedd 2007
|
73.8
|
Rhagfyr 2007
|
73.8
|
Ionawr 2008
|
73.9
|
Chwefror 2008
|
73.1
|
Mawrth 2008
|
72.6
|
Ebrill 2008
|
72.8
|
Mai 2008
|
73.0
|
Mehefin 2008
|
71.8
|
Gorffennaf 2008
|
71.9
|
Awst 2008
|
69.9
|
Medi 2008
|
68.5
|
Hydref 2008
|
66.1
|
Tachwedd 2008
|
64.1
|
Rhagfyr 2008
|
63.1
|
Ionawr 2009
|
62.6
|
Chwefror 2009
|
61.8
|
Mawrth 2009
|
61.2
|
Ebrill 2009
|
60.8
|
Mai 2009
|
62.0
|
Mehefin 2009
|
63.0
|
Gorffennaf 2009
|
64.7
|
Awst 2009
|
65.3
|
Medi 2009
|
66.4
|
Hydref 2009
|
66.8
|
Tachwedd 2009
|
66.4
|
Rhagfyr 2009
|
67.2
|
Ionawr 2010
|
69.9
|
Chwefror 2010
|
69.4
|
Mawrth 2010
|
69.8
|
Ebrill 2010
|
70.3
|
Mai 2010
|
70.3
|
Mehefin 2010
|
70.9
|
Gorffennaf 2010
|
73.2
|
Awst 2010
|
72.5
|
Medi 2010
|
72.3
|
Hydref 2010
|
71.3
|
Tachwedd 2010
|
70.4
|
Rhagfyr 2010
|
71.0
|
Ionawr 2011
|
71.6
|
Chwefror 2011
|
70.9
|
Mawrth 2011
|
71.3
|
Ebrill 2011
|
73.0
|
Mai 2011
|
70.7
|
Mehefin 2011
|
71.1
|
Gorffennaf 2011
|
73.6
|
Awst 2011
|
73.4
|
Medi 2011
|
73.5
|
Hydref 2011
|
72.7
|
Tachwedd 2011
|
72.4
|
Rhagfyr 2011
|
72.7
|
Ionawr 2012
|
73.2
|
Chwefror 2012
|
72.9
|
Mawrth 2012
|
72.2
|
Ebrill 2012
|
74.4
|
Mai 2012
|
75.7
|
Mehefin 2012
|
76.4
|
Gorffennaf 2012
|
77.2
|
Awst 2012
|
77.4
|
Medi 2012
|
76.9
|
Hydref 2012
|
77.2
|
Tachwedd 2012
|
76.7
|
Rhagfyr 2012
|
78.0
|
Ionawr 2013
|
77.7
|
Chwefror 2013
|
78.1
|
Mawrth 2013
|
77.7
|
Ebrill 2013
|
79.8
|
Mai 2013
|
80.2
|
Mehefin 2013
|
80.7
|
Gorffennaf 2013
|
83.0
|
Awst 2013
|
83.7
|
Medi 2013
|
84.8
|
Hydref 2013
|
84.5
|
Tachwedd 2013
|
85.4
|
Rhagfyr 2013
|
87.4
|
Ionawr 2014
|
88.5
|
Chwefror 2014
|
88.8
|
Mawrth 2014
|
89.7
|
Ebrill 2014
|
93.2
|
Mai 2014
|
95.0
|
Mehefin 2014
|
96.2
|
Gorffennaf 2014
|
99.3
|
Awst 2014
|
100.8
|
Medi 2014
|
100.5
|
Hydref 2014
|
100.1
|
Tachwedd 2014
|
99.8
|
Rhagfyr 2014
|
100.1
|
Ionawr 2015
|
100.0
|
Chwefror 2015
|
100.4
|
Mawrth 2015
|
100.4
|
Ebrill 2015
|
101.9
|
Mai 2015
|
103.2
|
Mehefin 2015
|
104.4
|
Gorffennaf 2015
|
107.3
|
Awst 2015
|
108.6
|
Medi 2015
|
109.4
|
Hydref 2015
|
109.5
|
Tachwedd 2015
|
110.8
|
Rhagfyr 2015
|
111.7
|
Ionawr 2016
|
113.6
|
Chwefror 2016
|
114.0
|
Mawrth 2016
|
115.8
|
Ebrill 2016
|
114.3
|
Mai 2016
|
115.7
|
Mehefin 2016
|
116.2
|
Gorffennaf 2016
|
118.2
|
Awst 2016
|
117.3
|
Medi 2016
|
117.2
|
Hydref 2016
|
116.8
|
Tachwedd 2016
|
116.8
|
Rhagfyr 2016
|
117.2
|
Ionawr 2017
|
117.8
|
Chwefror 2017
|
118.0
|
Mawrth 2017
|
117.9
|
Ebrill 2017
|
118.9
|
Mai 2017
|
119.3
|
Mehefin 2017
|
119.2
|
Gorffennaf 2017
|
121.2
|
Awst 2017
|
120.9
|
Medi 2017
|
120.0
|
Hydref 2017
|
119.4
|
Tachwedd 2017
|
118.3
|
Rhagfyr 2017
|
118.4
|
Ionawr 2018
|
118.9
|
Chwefror 2018
|
117.5
|
Mawrth 2018
|
117.0
|
Ebrill 2018
|
118.0
|
Mai 2018
|
118.8
|
Mehefin 2018
|
119.2
|
Gorffennaf 2018
|
120.4
|
Awst 2018
|
118.8
|
Medi 2018
|
118.4
|
Hydref 2018
|
118.9
|
Tachwedd 2018
|
118.2
|
Rhagfyr 2018
|
117.4
|
Ionawr 2019
|
116.6
|
Chwefror 2019
|
115.2
|
Mawrth 2019
|
115.0
|
Ebrill 2019
|
116.3
|
Mai 2019
|
115.1
|
Mehefin 2019
|
117.0
|
Gorffennaf 2019
|
118.4
|
Awst 2019
|
117.5
|
Medi 2019
|
118.1
|
Hydref 2019
|
117.2
|
Tachwedd 2019
|
116.9
|
Rhagfyr 2019
|
119.4
|
Ionawr 2020
|
117.6
|
Chwefror 2020
|
118.1
|
Mawrth 2020
|
119.7
|
Ebrill 2020
|
117.8
|
Mai 2020
|
116.9
|
Mehefin 2020
|
120.0
|
Gorffennaf 2020
|
120.2
|
Awst 2020
|
121.7
|
Medi 2020
|
122.9
|
Hydref 2020
|
121.4
|
Tachwedd 2020
|
123.8
|
Rhagfyr 2020
|
123.7
|
Ionawr 2021
|
123.7
|