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
|
Tai ar wahân
|
Tai pâr
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ionawr 1995
|
169134.0
|
88520.0
|
68022.0
|
58131.0
|
Chwefror 1995
|
156089.0
|
83038.0
|
63838.0
|
54538.0
|
Mawrth 1995
|
157048.0
|
83886.0
|
64762.0
|
55114.0
|
Ebrill 1995
|
155615.0
|
83799.0
|
64859.0
|
55186.0
|
Mai 1995
|
158316.0
|
85093.0
|
65789.0
|
55900.0
|
Mehefin 1995
|
157396.0
|
84687.0
|
65122.0
|
55668.0
|
Gorffennaf 1995
|
155245.0
|
83236.0
|
63843.0
|
54328.0
|
Awst 1995
|
158820.0
|
84647.0
|
64939.0
|
55028.0
|
Medi 1995
|
159529.0
|
84498.0
|
64830.0
|
54543.0
|
Hydref 1995
|
157814.0
|
83595.0
|
63858.0
|
54061.0
|
Tachwedd 1995
|
157468.0
|
83670.0
|
63740.0
|
54346.0
|
Rhagfyr 1995
|
155742.0
|
83161.0
|
63371.0
|
54154.0
|
Ionawr 1996
|
155330.0
|
83029.0
|
63379.0
|
53857.0
|
Chwefror 1996
|
151661.0
|
81356.0
|
62109.0
|
52430.0
|
Mawrth 1996
|
151559.0
|
80990.0
|
61656.0
|
51913.0
|
Ebrill 1996
|
156619.0
|
83765.0
|
63938.0
|
53764.0
|
Mai 1996
|
156347.0
|
83527.0
|
64003.0
|
53755.0
|
Mehefin 1996
|
155757.0
|
83344.0
|
63989.0
|
54030.0
|
Gorffennaf 1996
|
158869.0
|
84659.0
|
64769.0
|
54508.0
|
Awst 1996
|
166697.0
|
88051.0
|
67175.0
|
56332.0
|
Medi 1996
|
172945.0
|
90937.0
|
69301.0
|
57564.0
|
Hydref 1996
|
168899.0
|
88607.0
|
67431.0
|
55978.0
|
Tachwedd 1996
|
168721.0
|
88790.0
|
67614.0
|
56343.0
|
Rhagfyr 1996
|
167538.0
|
88562.0
|
67408.0
|
56171.0
|
Ionawr 1997
|
170498.0
|
90192.0
|
68780.0
|
57053.0
|
Chwefror 1997
|
173388.0
|
91439.0
|
69581.0
|
57770.0
|
Mawrth 1997
|
174611.0
|
91828.0
|
70139.0
|
58343.0
|
Ebrill 1997
|
176803.0
|
93246.0
|
71160.0
|
59366.0
|
Mai 1997
|
175563.0
|
92930.0
|
70858.0
|
58635.0
|
Mehefin 1997
|
180059.0
|
94986.0
|
72156.0
|
59249.0
|
Gorffennaf 1997
|
179317.0
|
94127.0
|
71551.0
|
58113.0
|
Awst 1997
|
183564.0
|
95844.0
|
72787.0
|
58973.0
|
Medi 1997
|
189614.0
|
98659.0
|
74784.0
|
60487.0
|
Hydref 1997
|
191259.0
|
99551.0
|
75229.0
|
61143.0
|
Tachwedd 1997
|
192823.0
|
100219.0
|
75709.0
|
61584.0
|
Rhagfyr 1997
|
192306.0
|
100520.0
|
75865.0
|
61848.0
|
Ionawr 1998
|
191690.0
|
99688.0
|
75357.0
|
61480.0
|
Chwefror 1998
|
193340.0
|
101067.0
|
76401.0
|
62948.0
|
Mawrth 1998
|
195516.0
|
102153.0
|
77260.0
|
63598.0
|
Ebrill 1998
|
204992.0
|
107597.0
|
81262.0
|
66750.0
|
Mai 1998
|
210153.0
|
110397.0
|
83585.0
|
68004.0
|
Mehefin 1998
|
212538.0
|
111526.0
|
84449.0
|
69046.0
|
Gorffennaf 1998
|
214206.0
|
112197.0
|
84950.0
|
69356.0
|
Awst 1998
|
216269.0
|
112210.0
|
84796.0
|
69183.0
|
Medi 1998
|
220974.0
|
114025.0
|
86109.0
|
69827.0
|
Hydref 1998
|
218587.0
|
112880.0
|
85252.0
|
69481.0
|
Tachwedd 1998
|
217662.0
|
112668.0
|
84928.0
|
69593.0
|
Rhagfyr 1998
|
209864.0
|
109255.0
|
82325.0
|
68068.0
|
Ionawr 1999
|
213539.0
|
110820.0
|
83438.0
|
69120.0
|
Chwefror 1999
|
213878.0
|
110956.0
|
83577.0
|
69477.0
|
Mawrth 1999
|
219505.0
|
113562.0
|
85539.0
|
71309.0
|
Ebrill 1999
|
225935.0
|
117169.0
|
88587.0
|
73654.0
|
Mai 1999
|
227218.0
|
118335.0
|
89658.0
|
74202.0
|
Mehefin 1999
|
228608.0
|
118970.0
|
90341.0
|
74364.0
|
Gorffennaf 1999
|
229840.0
|
118882.0
|
90179.0
|
74124.0
|
Awst 1999
|
236404.0
|
121336.0
|
92241.0
|
75625.0
|
Medi 1999
|
247239.0
|
125865.0
|
95590.0
|
78609.0
|
Hydref 1999
|
251295.0
|
128184.0
|
97047.0
|
80419.0
|
Tachwedd 1999
|
258729.0
|
132078.0
|
99733.0
|
83147.0
|
Rhagfyr 1999
|
259476.0
|
133666.0
|
101067.0
|
84492.0
|
Ionawr 2000
|
260766.0
|
133764.0
|
101133.0
|
84074.0
|
Chwefror 2000
|
261737.0
|
134483.0
|
101785.0
|
84185.0
|
Mawrth 2000
|
265810.0
|
136145.0
|
102832.0
|
84422.0
|
Ebrill 2000
|
272809.0
|
140417.0
|
106406.0
|
87545.0
|
Mai 2000
|
277936.0
|
143212.0
|
108196.0
|
89465.0
|
Mehefin 2000
|
280165.0
|
144831.0
|
109393.0
|
90937.0
|
Gorffennaf 2000
|
288323.0
|
148032.0
|
111242.0
|
92358.0
|
Awst 2000
|
289365.0
|
147796.0
|
110765.0
|
92405.0
|
Medi 2000
|
299925.0
|
151597.0
|
113396.0
|
94791.0
|
Hydref 2000
|
297076.0
|
150578.0
|
112357.0
|
94547.0
|
Tachwedd 2000
|
302288.0
|
152863.0
|
114120.0
|
96279.0
|
Rhagfyr 2000
|
294335.0
|
149844.0
|
111931.0
|
95049.0
|
Ionawr 2001
|
295675.0
|
150663.0
|
112993.0
|
95852.0
|
Chwefror 2001
|
290735.0
|
148641.0
|
111569.0
|
94514.0
|
Mawrth 2001
|
292247.0
|
149545.0
|
112107.0
|
94502.0
|
Ebrill 2001
|
299214.0
|
152913.0
|
115049.0
|
97002.0
|
Mai 2001
|
308777.0
|
158481.0
|
119487.0
|
100498.0
|
Mehefin 2001
|
317488.0
|
163611.0
|
123561.0
|
104439.0
|
Gorffennaf 2001
|
319613.0
|
164645.0
|
124083.0
|
104698.0
|
Awst 2001
|
325280.0
|
166736.0
|
125790.0
|
106507.0
|
Medi 2001
|
328787.0
|
166771.0
|
125875.0
|
106613.0
|
Hydref 2001
|
329041.0
|
167253.0
|
125921.0
|
107301.0
|
Tachwedd 2001
|
325729.0
|
166425.0
|
124907.0
|
106799.0
|
Rhagfyr 2001
|
326495.0
|
168552.0
|
126353.0
|
109085.0
|
Ionawr 2002
|
334906.0
|
173179.0
|
129745.0
|
112457.0
|
Chwefror 2002
|
338711.0
|
175489.0
|
132043.0
|
114361.0
|
Mawrth 2002
|
339080.0
|
175646.0
|
132244.0
|
114030.0
|
Ebrill 2002
|
336887.0
|
175360.0
|
132406.0
|
114667.0
|
Mai 2002
|
340240.0
|
177986.0
|
134015.0
|
116381.0
|
Mehefin 2002
|
343655.0
|
180577.0
|
136383.0
|
118584.0
|
Gorffennaf 2002
|
357725.0
|
187499.0
|
141676.0
|
122291.0
|
Awst 2002
|
364854.0
|
190788.0
|
144364.0
|
124492.0
|
Medi 2002
|
370150.0
|
193210.0
|
145648.0
|
125410.0
|
Hydref 2002
|
364901.0
|
191680.0
|
144060.0
|
124658.0
|
Tachwedd 2002
|
374408.0
|
196620.0
|
147609.0
|
128317.0
|
Rhagfyr 2002
|
383495.0
|
202713.0
|
152164.0
|
133018.0
|
Ionawr 2003
|
388454.0
|
205098.0
|
154575.0
|
135256.0
|
Chwefror 2003
|
385588.0
|
205533.0
|
154546.0
|
135471.0
|
Mawrth 2003
|
389875.0
|
207785.0
|
156452.0
|
136994.0
|
Ebrill 2003
|
389984.0
|
210066.0
|
157742.0
|
138196.0
|
Mai 2003
|
393419.0
|
212915.0
|
160528.0
|
139749.0
|
Mehefin 2003
|
391596.0
|
212382.0
|
160301.0
|
139736.0
|
Gorffennaf 2003
|
400240.0
|
216894.0
|
163810.0
|
142222.0
|
Awst 2003
|
406668.0
|
219834.0
|
165913.0
|
144252.0
|
Medi 2003
|
412216.0
|
223346.0
|
168704.0
|
145635.0
|
Hydref 2003
|
408381.0
|
221874.0
|
168026.0
|
145182.0
|
Tachwedd 2003
|
404906.0
|
221056.0
|
167491.0
|
144560.0
|
Rhagfyr 2003
|
408121.0
|
224495.0
|
170555.0
|
147799.0
|
Ionawr 2004
|
403807.0
|
222127.0
|
168767.0
|
146180.0
|
Chwefror 2004
|
405165.0
|
222838.0
|
169979.0
|
147009.0
|
Mawrth 2004
|
402743.0
|
221481.0
|
169279.0
|
145733.0
|
Ebrill 2004
|
417725.0
|
231871.0
|
177942.0
|
152707.0
|
Mai 2004
|
411117.0
|
230716.0
|
177582.0
|
152464.0
|
Mehefin 2004
|
413252.0
|
233602.0
|
180048.0
|
154689.0
|
Gorffennaf 2004
|
406532.0
|
230326.0
|
177401.0
|
152163.0
|
Awst 2004
|
421978.0
|
237864.0
|
182959.0
|
156982.0
|
Medi 2004
|
432990.0
|
243101.0
|
186789.0
|
160106.0
|
Hydref 2004
|
430440.0
|
241393.0
|
185771.0
|
160031.0
|
Tachwedd 2004
|
429160.0
|
240951.0
|
185704.0
|
160127.0
|
Rhagfyr 2004
|
421554.0
|
237773.0
|
184338.0
|
158840.0
|
Ionawr 2005
|
434046.0
|
243843.0
|
189855.0
|
162945.0
|
Chwefror 2005
|
429348.0
|
241001.0
|
187697.0
|
160723.0
|
Mawrth 2005
|
442654.0
|
248558.0
|
193234.0
|
164931.0
|
Ebrill 2005
|
442579.0
|
250646.0
|
194674.0
|
165925.0
|
Mai 2005
|
437340.0
|
248681.0
|
193712.0
|
164793.0
|
Mehefin 2005
|
419856.0
|
239336.0
|
186838.0
|
158687.0
|
Gorffennaf 2005
|
418018.0
|
237950.0
|
185558.0
|
157025.0
|
Awst 2005
|
431489.0
|
244880.0
|
191065.0
|
161234.0
|
Medi 2005
|
439631.0
|
248359.0
|
194029.0
|
163290.0
|
Hydref 2005
|
441548.0
|
249186.0
|
195429.0
|
164989.0
|
Tachwedd 2005
|
433794.0
|
245808.0
|
193012.0
|
163006.0
|
Rhagfyr 2005
|
432035.0
|
246103.0
|
193615.0
|
164266.0
|
Ionawr 2006
|
430508.0
|
244712.0
|
192525.0
|
162522.0
|
Chwefror 2006
|
432586.0
|
245708.0
|
193541.0
|
163703.0
|
Mawrth 2006
|
425563.0
|
241257.0
|
189647.0
|
159667.0
|
Ebrill 2006
|
429587.0
|
244884.0
|
192460.0
|
161981.0
|
Mai 2006
|
440438.0
|
250654.0
|
196662.0
|
165341.0
|
Mehefin 2006
|
454025.0
|
258306.0
|
202655.0
|
170448.0
|
Gorffennaf 2006
|
455406.0
|
258241.0
|
202979.0
|
169757.0
|
Awst 2006
|
455791.0
|
258314.0
|
203370.0
|
168832.0
|
Medi 2006
|
462032.0
|
260876.0
|
205331.0
|
169532.0
|
Hydref 2006
|
463146.0
|
261306.0
|
205460.0
|
170441.0
|
Tachwedd 2006
|
463326.0
|
261924.0
|
205686.0
|
170520.0
|
Rhagfyr 2006
|
456808.0
|
258944.0
|
203903.0
|
169412.0
|
Ionawr 2007
|
469085.0
|
265617.0
|
209206.0
|
173379.0
|
Chwefror 2007
|
472464.0
|
266926.0
|
210329.0
|
175104.0
|
Mawrth 2007
|
478801.0
|
270199.0
|
212724.0
|
176353.0
|
Ebrill 2007
|
476396.0
|
269205.0
|
212642.0
|
175848.0
|
Mai 2007
|
485830.0
|
275159.0
|
217932.0
|
180118.0
|
Mehefin 2007
|
493582.0
|
279398.0
|
221487.0
|
183472.0
|
Gorffennaf 2007
|
500494.0
|
281886.0
|
222887.0
|
184565.0
|
Awst 2007
|
505261.0
|
283222.0
|
223718.0
|
183460.0
|
Medi 2007
|
510313.0
|
284541.0
|
224440.0
|
184056.0
|
Hydref 2007
|
510167.0
|
283941.0
|
224357.0
|
184662.0
|
Tachwedd 2007
|
518039.0
|
287593.0
|
227045.0
|
188318.0
|
Rhagfyr 2007
|
530765.0
|
296073.0
|
233938.0
|
194346.0
|
Ionawr 2008
|
549303.0
|
305489.0
|
241035.0
|
200230.0
|
Chwefror 2008
|
548270.0
|
305301.0
|
240698.0
|
199764.0
|
Mawrth 2008
|
536579.0
|
298403.0
|
235216.0
|
194150.0
|
Ebrill 2008
|
517309.0
|
288279.0
|
227559.0
|
186814.0
|
Mai 2008
|
505131.0
|
280862.0
|
222069.0
|
181472.0
|
Mehefin 2008
|
495555.0
|
274341.0
|
216752.0
|
177275.0
|
Gorffennaf 2008
|
504774.0
|
278467.0
|
219461.0
|
179398.0
|
Awst 2008
|
500665.0
|
274866.0
|
216071.0
|
176977.0
|
Medi 2008
|
508782.0
|
277428.0
|
217902.0
|
178557.0
|
Hydref 2008
|
491128.0
|
267491.0
|
209899.0
|
172893.0
|
Tachwedd 2008
|
484655.0
|
263583.0
|
206832.0
|
170593.0
|
Rhagfyr 2008
|
464627.0
|
253913.0
|
199628.0
|
164154.0
|
Ionawr 2009
|
445711.0
|
242356.0
|
190684.0
|
157218.0
|
Chwefror 2009
|
427389.0
|
233346.0
|
183627.0
|
151907.0
|
Mawrth 2009
|
424645.0
|
231851.0
|
182358.0
|
152280.0
|
Ebrill 2009
|
421045.0
|
232890.0
|
183613.0
|
152634.0
|
Mai 2009
|
430935.0
|
239112.0
|
188801.0
|
155483.0
|
Mehefin 2009
|
430614.0
|
239625.0
|
189185.0
|
153948.0
|
Gorffennaf 2009
|
449459.0
|
249121.0
|
196428.0
|
157983.0
|
Awst 2009
|
464730.0
|
256414.0
|
202297.0
|
161223.0
|
Medi 2009
|
475078.0
|
261218.0
|
206155.0
|
163693.0
|
Hydref 2009
|
484834.0
|
266299.0
|
210016.0
|
166140.0
|
Tachwedd 2009
|
483738.0
|
265827.0
|
209955.0
|
165654.0
|
Rhagfyr 2009
|
480356.0
|
266033.0
|
210332.0
|
164657.0
|
Ionawr 2010
|
476789.0
|
263404.0
|
208301.0
|
161404.0
|
Chwefror 2010
|
486235.0
|
268431.0
|
211664.0
|
163082.0
|
Mawrth 2010
|
498690.0
|
272342.0
|
214614.0
|
165660.0
|
Ebrill 2010
|
496221.0
|
271576.0
|
214080.0
|
165674.0
|
Mai 2010
|
485143.0
|
265445.0
|
209908.0
|
162593.0
|
Mehefin 2010
|
481744.0
|
263956.0
|
208904.0
|
160943.0
|
Gorffennaf 2010
|
499072.0
|
271011.0
|
214444.0
|
164304.0
|
Awst 2010
|
519719.0
|
281890.0
|
221968.0
|
169377.0
|
Medi 2010
|
528836.0
|
285245.0
|
224291.0
|
170821.0
|
Hydref 2010
|
512022.0
|
277336.0
|
217805.0
|
166595.0
|
Tachwedd 2010
|
502811.0
|
271610.0
|
213299.0
|
163833.0
|
Rhagfyr 2010
|
491693.0
|
266394.0
|
208862.0
|
161061.0
|
Ionawr 2011
|
496369.0
|
266535.0
|
209039.0
|
161648.0
|
Chwefror 2011
|
492841.0
|
262461.0
|
206131.0
|
159811.0
|
Mawrth 2011
|
492258.0
|
259456.0
|
203938.0
|
157974.0
|
Ebrill 2011
|
494303.0
|
261731.0
|
206054.0
|
159419.0
|
Mai 2011
|
489170.0
|
262029.0
|
206359.0
|
160372.0
|
Mehefin 2011
|
503509.0
|
273502.0
|
215260.0
|
167324.0
|
Gorffennaf 2011
|
517055.0
|
281726.0
|
221854.0
|
172511.0
|
Awst 2011
|
522843.0
|
283623.0
|
222968.0
|
171457.0
|
Medi 2011
|
532851.0
|
286609.0
|
225078.0
|
172308.0
|
Hydref 2011
|
521613.0
|
279892.0
|
218720.0
|
166897.0
|
Tachwedd 2011
|
530733.0
|
284092.0
|
221963.0
|
170737.0
|
Rhagfyr 2011
|
515080.0
|
278027.0
|
216984.0
|
167371.0
|
Ionawr 2012
|
516853.0
|
280278.0
|
218927.0
|
168151.0
|
Chwefror 2012
|
506732.0
|
275031.0
|
214873.0
|
163640.0
|
Mawrth 2012
|
511089.0
|
277730.0
|
217436.0
|
165162.0
|
Ebrill 2012
|
508716.0
|
276217.0
|
216637.0
|
165408.0
|
Mai 2012
|
519505.0
|
283536.0
|
222982.0
|
170335.0
|
Mehefin 2012
|
526456.0
|
286911.0
|
226460.0
|
171951.0
|
Gorffennaf 2012
|
546416.0
|
296796.0
|
234479.0
|
177258.0
|
Awst 2012
|
558054.0
|
302748.0
|
239290.0
|
179620.0
|
Medi 2012
|
549871.0
|
297307.0
|
234756.0
|
176176.0
|
Hydref 2012
|
531699.0
|
288477.0
|
227628.0
|
170866.0
|
Tachwedd 2012
|
511954.0
|
277772.0
|
219307.0
|
164916.0
|
Rhagfyr 2012
|
521576.0
|
283450.0
|
223500.0
|
167842.0
|
Ionawr 2013
|
536305.0
|
291182.0
|
229085.0
|
171484.0
|
Chwefror 2013
|
548229.0
|
297186.0
|
233391.0
|
174881.0
|
Mawrth 2013
|
544780.0
|
294438.0
|
231199.0
|
174081.0
|
Ebrill 2013
|
534497.0
|
288518.0
|
227279.0
|
171141.0
|
Mai 2013
|
536927.0
|
290172.0
|
228679.0
|
172462.0
|
Mehefin 2013
|
544735.0
|
295188.0
|
232803.0
|
174808.0
|
Gorffennaf 2013
|
548819.0
|
297478.0
|
234749.0
|
176149.0
|
Awst 2013
|
546062.0
|
296032.0
|
233552.0
|
174485.0
|
Medi 2013
|
548804.0
|
296378.0
|
233884.0
|
174673.0
|
Hydref 2013
|
552916.0
|
298760.0
|
235162.0
|
175745.0
|
Tachwedd 2013
|
551823.0
|
299052.0
|
235387.0
|
176125.0
|
Rhagfyr 2013
|
542454.0
|
296719.0
|
233025.0
|
175215.0
|
Ionawr 2014
|
555614.0
|
304228.0
|
239171.0
|
179858.0
|
Chwefror 2014
|
561685.0
|
307340.0
|
241524.0
|
181566.0
|
Mawrth 2014
|
573549.0
|
313645.0
|
246429.0
|
184542.0
|
Ebrill 2014
|
568834.0
|
311506.0
|
245199.0
|
183151.0
|
Mai 2014
|
587769.0
|
322959.0
|
254639.0
|
189978.0
|
Mehefin 2014
|
589789.0
|
324715.0
|
256020.0
|
190884.0
|
Gorffennaf 2014
|
605628.0
|
333976.0
|
262994.0
|
195524.0
|
Awst 2014
|
602872.0
|
331873.0
|
260866.0
|
193434.0
|
Medi 2014
|
615450.0
|
337795.0
|
265743.0
|
196786.0
|
Hydref 2014
|
625474.0
|
343399.0
|
269766.0
|
200555.0
|
Tachwedd 2014
|
632980.0
|
347821.0
|
272998.0
|
203616.0
|
Rhagfyr 2014
|
632350.0
|
347848.0
|
272798.0
|
203987.0
|
Ionawr 2015
|
623948.0
|
342991.0
|
268505.0
|
201031.0
|
Chwefror 2015
|
625633.0
|
342444.0
|
268367.0
|
201197.0
|
Mawrth 2015
|
630611.0
|
344680.0
|
269535.0
|
202164.0
|
Ebrill 2015
|
625936.0
|
342134.0
|
268207.0
|
200667.0
|
Mai 2015
|
629372.0
|
345920.0
|
270901.0
|
202365.0
|
Mehefin 2015
|
647623.0
|
357093.0
|
280221.0
|
207756.0
|
Gorffennaf 2015
|
674353.0
|
372501.0
|
291859.0
|
215991.0
|
Awst 2015
|
684006.0
|
377660.0
|
296050.0
|
218352.0
|
Medi 2015
|
686512.0
|
377077.0
|
295626.0
|
218702.0
|
Hydref 2015
|
672085.0
|
369371.0
|
290032.0
|
213973.0
|
Tachwedd 2015
|
685384.0
|
376617.0
|
295369.0
|
218016.0
|
Rhagfyr 2015
|
685174.0
|
377615.0
|
295801.0
|
218048.0
|
Ionawr 2016
|
721726.0
|
398292.0
|
310586.0
|
229651.0
|
Chwefror 2016
|
724114.0
|
399131.0
|
310938.0
|
229777.0
|
Mawrth 2016
|
745313.0
|
409219.0
|
318167.0
|
235818.0
|
Ebrill 2016
|
723397.0
|
397845.0
|
310543.0
|
229977.0
|
Mai 2016
|
717047.0
|
397030.0
|
310954.0
|
231423.0
|
Mehefin 2016
|
704103.0
|
391931.0
|
308503.0
|
229206.0
|
Gorffennaf 2016
|
720174.0
|
400023.0
|
314729.0
|
233942.0
|
Awst 2016
|
726748.0
|
402085.0
|
316324.0
|
234572.0
|
Medi 2016
|
730278.0
|
404496.0
|
317097.0
|
235483.0
|
Hydref 2016
|
727047.0
|
402175.0
|
314566.0
|
235134.0
|
Tachwedd 2016
|
730400.0
|
402823.0
|
313985.0
|
235715.0
|
Rhagfyr 2016
|
738735.0
|
406533.0
|
316895.0
|
238729.0
|
Ionawr 2017
|
738939.0
|
406910.0
|
317176.0
|
238561.0
|
Chwefror 2017
|
730363.0
|
402950.0
|
314380.0
|
237973.0
|
Mawrth 2017
|
725152.0
|
400421.0
|
311866.0
|
236834.0
|
Ebrill 2017
|
726800.0
|
400295.0
|
311878.0
|
237907.0
|
Mai 2017
|
729862.0
|
403942.0
|
313954.0
|
239579.0
|
Mehefin 2017
|
737446.0
|
409047.0
|
318490.0
|
243400.0
|
Gorffennaf 2017
|
739192.0
|
411960.0
|
320340.0
|
245151.0
|
Awst 2017
|
754792.0
|
418916.0
|
326976.0
|
248727.0
|
Medi 2017
|
754750.0
|
417992.0
|
326176.0
|
247004.0
|
Hydref 2017
|
770405.0
|
426139.0
|
332531.0
|
250550.0
|
Tachwedd 2017
|
769389.0
|
426484.0
|
331810.0
|
250420.0
|
Rhagfyr 2017
|
768657.0
|
427242.0
|
332092.0
|
250648.0
|
Ionawr 2018
|
761468.0
|
423749.0
|
329030.0
|
248521.0
|
Chwefror 2018
|
771908.0
|
428996.0
|
333028.0
|
251103.0
|
Mawrth 2018
|
779243.0
|
434006.0
|
336576.0
|
251191.0
|
Ebrill 2018
|
766379.0
|
427831.0
|
332336.0
|
245675.0
|
Mai 2018
|
752217.0
|
420320.0
|
326339.0
|
238319.0
|
Mehefin 2018
|
751131.0
|
419178.0
|
325153.0
|
238022.0
|
Gorffennaf 2018
|
771815.0
|
427786.0
|
331836.0
|
243083.0
|
Awst 2018
|
780402.0
|
432202.0
|
335726.0
|
246919.0
|
Medi 2018
|
779001.0
|
430067.0
|
334346.0
|
245220.0
|
Hydref 2018
|
766741.0
|
424328.0
|
329092.0
|
241947.0
|
Tachwedd 2018
|
762889.0
|
420563.0
|
325712.0
|
238345.0
|
Rhagfyr 2018
|
751640.0
|
415575.0
|
321516.0
|
236112.0
|
Ionawr 2019
|
759680.0
|
419505.0
|
324127.0
|
238445.0
|
Chwefror 2019
|
767720.0
|
424639.0
|
327797.0
|
242863.0
|
Mawrth 2019
|
786097.0
|
435041.0
|
335374.0
|
248713.0
|
Ebrill 2019
|
776661.0
|
431084.0
|
333296.0
|
245704.0
|
Mai 2019
|
772619.0
|
430633.0
|
333313.0
|
244186.0
|
Mehefin 2019
|
765467.0
|
426925.0
|
330733.0
|
241800.0
|
Gorffennaf 2019
|
765122.0
|
427311.0
|
330974.0
|
242438.0
|
Awst 2019
|
761587.0
|
423887.0
|
328257.0
|
239774.0
|
Medi 2019
|
760174.0
|
421488.0
|
327554.0
|
239008.0
|
Hydref 2019
|
768724.0
|
425914.0
|
330259.0
|
240840.0
|
Tachwedd 2019
|
773655.0
|
429522.0
|
331712.0
|
242642.0
|
Rhagfyr 2019
|
770684.0
|
429046.0
|
330679.0
|
241208.0
|
Ionawr 2020
|
781222.0
|
435496.0
|
336103.0
|
244557.0
|
Chwefror 2020
|
783431.0
|
435715.0
|
337350.0
|
243865.0
|
Mawrth 2020
|
787900.0
|
437537.0
|
338441.0
|
244590.0
|
Ebrill 2020
|
792080.0
|
437003.0
|
338428.0
|
242518.0
|
Mai 2020
|
788082.0
|
435924.0
|
336989.0
|
242867.0
|
Mehefin 2020
|
804112.0
|
446300.0
|
345651.0
|
247296.0
|
Gorffennaf 2020
|
791909.0
|
441283.0
|
341553.0
|
245409.0
|
Awst 2020
|
806259.0
|
447955.0
|
347213.0
|
247075.0
|
Medi 2020
|
808316.0
|
446412.0
|
345569.0
|
245691.0
|
Hydref 2020
|
823228.0
|
453116.0
|
351147.0
|
247620.0
|
Tachwedd 2020
|
822398.0
|
451587.0
|
350989.0
|
246751.0
|
Rhagfyr 2020
|
814149.0
|
446963.0
|
348368.0
|
243823.0
|
Ionawr 2021
|
792392.0
|
436897.0
|
341291.0
|
239809.0
|
Chwefror 2021
|
792843.0
|
440497.0
|
344966.0
|
243363.0
|
Mawrth 2021
|
799646.0
|
447338.0
|
351501.0
|
249848.0
|
Ebrill 2021
|
807739.0
|
452066.0
|
355591.0
|
252939.0
|
Mai 2021
|
811266.0
|
453113.0
|
356274.0
|
253391.0
|
Mehefin 2021
|
817048.0
|
455945.0
|
360367.0
|
254424.0
|
Gorffennaf 2021
|
824623.0
|
457955.0
|
360663.0
|
254734.0
|
Awst 2021
|
832766.0
|
459401.0
|
360244.0
|
252688.0
|
Medi 2021
|
843569.0
|
463805.0
|
361610.0
|
253155.0
|
Hydref 2021
|
862443.0
|
471654.0
|
366892.0
|
255106.0
|
Tachwedd 2021
|
862497.0
|
471732.0
|
366614.0
|
255314.0
|
Rhagfyr 2021
|
872100.0
|
474932.0
|
368017.0
|
255211.0
|
Ionawr 2022
|
875755.0
|
479341.0
|
371378.0
|
256241.0
|
Chwefror 2022
|
877486.0
|
481583.0
|
373241.0
|
257192.0
|
Mawrth 2022
|
861504.0
|
473452.0
|
365916.0
|
251991.0
|
Ebrill 2022
|
862886.0
|
474696.0
|
368782.0
|
253050.0
|
Mai 2022
|
879583.0
|
484152.0
|
376632.0
|
256375.0
|
Mehefin 2022
|
906304.0
|
500056.0
|
389906.0
|
265270.0
|
Gorffennaf 2022
|
913036.0
|
504659.0
|
392597.0
|
266050.0
|
Awst 2022
|
929464.0
|
514258.0
|
400456.0
|
270099.0
|
Medi 2022
|
926530.0
|
511821.0
|
398378.0
|
266446.0
|
Hydref 2022
|
948246.0
|
523950.0
|
407721.0
|
272376.0
|
Tachwedd 2022
|
941952.0
|
520145.0
|
404223.0
|
270021.0
|
Rhagfyr 2022
|
943755.0
|
523009.0
|
406068.0
|
271693.0
|
Ionawr 2023
|
939710.0
|
519787.0
|
403154.0
|
270372.0
|
Chwefror 2023
|
950072.0
|
524847.0
|
406594.0
|
273193.0
|
Mawrth 2023
|
951104.0
|
523082.0
|
403958.0
|
272349.0
|
Ebrill 2023
|
939025.0
|
515707.0
|
397851.0
|
269199.0
|
Mai 2023
|
919039.0
|
505937.0
|
390471.0
|
265424.0
|
Mehefin 2023
|
926330.0
|
509204.0
|
394536.0
|
267555.0
|
Gorffennaf 2023
|
924709.0
|
509577.0
|
395027.0
|
265879.0
|
Awst 2023
|
932579.0
|
512821.0
|
397472.0
|
265016.0
|
Medi 2023
|
926817.0
|
510797.0
|
395482.0
|
262136.0
|
Dyddiad
|
Tai ar wahân
|
Tai pâr
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
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
|
-8.2
|
-6.2
|
-6.8
|
-7.4
|
Chwefror 1996
|
-2.8
|
-2.0
|
-2.7
|
-3.9
|
Mawrth 1996
|
-3.5
|
-3.4
|
-4.8
|
-5.8
|
Ebrill 1996
|
0.6
|
-0.0
|
-1.4
|
-2.6
|
Mai 1996
|
-1.2
|
-1.8
|
-2.7
|
-3.8
|
Mehefin 1996
|
-1.0
|
-1.6
|
-1.7
|
-2.9
|
Gorffennaf 1996
|
2.3
|
1.7
|
1.4
|
0.3
|
Awst 1996
|
5.0
|
4.0
|
3.4
|
2.4
|
Medi 1996
|
8.4
|
7.6
|
6.9
|
5.5
|
Hydref 1996
|
7.0
|
6.0
|
5.6
|
3.6
|
Tachwedd 1996
|
7.2
|
6.1
|
6.1
|
3.7
|
Rhagfyr 1996
|
7.6
|
6.5
|
6.4
|
3.7
|
Ionawr 1997
|
9.8
|
8.6
|
8.5
|
5.9
|
Chwefror 1997
|
14.3
|
12.4
|
12.0
|
10.2
|
Mawrth 1997
|
15.2
|
13.4
|
13.8
|
12.4
|
Ebrill 1997
|
12.9
|
11.3
|
11.3
|
10.4
|
Mai 1997
|
12.3
|
11.3
|
10.7
|
9.1
|
Mehefin 1997
|
15.6
|
14.0
|
12.8
|
9.7
|
Gorffennaf 1997
|
12.9
|
11.2
|
10.5
|
6.6
|
Awst 1997
|
10.1
|
8.8
|
8.4
|
4.7
|
Medi 1997
|
9.6
|
8.5
|
7.9
|
5.1
|
Hydref 1997
|
13.2
|
12.4
|
11.6
|
9.2
|
Tachwedd 1997
|
14.3
|
12.9
|
12.0
|
9.3
|
Rhagfyr 1997
|
14.8
|
13.5
|
12.6
|
10.1
|
Ionawr 1998
|
12.4
|
10.5
|
9.6
|
7.8
|
Chwefror 1998
|
11.5
|
10.5
|
9.8
|
9.0
|
Mawrth 1998
|
12.0
|
11.2
|
10.2
|
9.0
|
Ebrill 1998
|
15.9
|
15.4
|
14.2
|
12.4
|
Mai 1998
|
19.7
|
18.8
|
18.0
|
16.0
|
Mehefin 1998
|
18.0
|
17.4
|
17.0
|
16.5
|
Gorffennaf 1998
|
19.5
|
19.2
|
18.7
|
19.4
|
Awst 1998
|
17.8
|
17.1
|
16.5
|
17.3
|
Medi 1998
|
16.5
|
15.6
|
15.1
|
15.4
|
Hydref 1998
|
14.3
|
13.4
|
13.3
|
13.6
|
Tachwedd 1998
|
12.9
|
12.4
|
12.2
|
13.0
|
Rhagfyr 1998
|
9.1
|
8.7
|
8.5
|
10.1
|
Ionawr 1999
|
11.4
|
11.2
|
10.7
|
12.4
|
Chwefror 1999
|
10.6
|
9.8
|
9.4
|
10.4
|
Mawrth 1999
|
12.3
|
11.2
|
10.7
|
12.1
|
Ebrill 1999
|
10.2
|
8.9
|
9.0
|
10.3
|
Mai 1999
|
8.1
|
7.2
|
7.3
|
9.1
|
Mehefin 1999
|
7.6
|
6.7
|
7.0
|
7.7
|
Gorffennaf 1999
|
7.3
|
6.0
|
6.2
|
6.9
|
Awst 1999
|
9.3
|
8.1
|
8.8
|
9.3
|
Medi 1999
|
11.9
|
10.4
|
11.0
|
12.6
|
Hydref 1999
|
15.0
|
13.6
|
13.8
|
15.7
|
Tachwedd 1999
|
18.9
|
17.2
|
17.4
|
19.5
|
Rhagfyr 1999
|
23.6
|
22.3
|
22.8
|
24.1
|
Ionawr 2000
|
22.1
|
20.7
|
21.2
|
21.6
|
Chwefror 2000
|
22.4
|
21.2
|
21.8
|
21.2
|
Mawrth 2000
|
21.1
|
19.9
|
20.2
|
18.4
|
Ebrill 2000
|
20.8
|
19.8
|
20.1
|
18.9
|
Mai 2000
|
22.3
|
21.0
|
20.7
|
20.6
|
Mehefin 2000
|
22.6
|
21.7
|
21.1
|
22.3
|
Gorffennaf 2000
|
25.4
|
24.5
|
23.4
|
24.6
|
Awst 2000
|
22.4
|
21.8
|
20.1
|
22.2
|
Medi 2000
|
21.3
|
20.4
|
18.6
|
20.6
|
Hydref 2000
|
18.2
|
17.5
|
15.8
|
17.6
|
Tachwedd 2000
|
16.8
|
15.7
|
14.4
|
15.8
|
Rhagfyr 2000
|
13.4
|
12.1
|
10.8
|
12.5
|
Ionawr 2001
|
13.4
|
12.6
|
11.7
|
14.0
|
Chwefror 2001
|
11.1
|
10.5
|
9.6
|
12.3
|
Mawrth 2001
|
10.0
|
9.8
|
9.0
|
11.9
|
Ebrill 2001
|
9.7
|
8.9
|
8.1
|
10.8
|
Mai 2001
|
11.1
|
10.7
|
10.4
|
12.3
|
Mehefin 2001
|
13.3
|
13.0
|
13.0
|
14.8
|
Gorffennaf 2001
|
10.8
|
11.2
|
11.5
|
13.4
|
Awst 2001
|
12.4
|
12.8
|
13.6
|
15.3
|
Medi 2001
|
9.6
|
10.0
|
11.0
|
12.5
|
Hydref 2001
|
10.8
|
11.1
|
12.1
|
13.5
|
Tachwedd 2001
|
7.8
|
8.9
|
9.4
|
10.9
|
Rhagfyr 2001
|
10.9
|
12.5
|
12.9
|
14.8
|
Ionawr 2002
|
13.3
|
14.9
|
14.8
|
17.3
|
Chwefror 2002
|
16.5
|
18.1
|
18.4
|
21.0
|
Mawrth 2002
|
16.0
|
17.4
|
18.0
|
20.7
|
Ebrill 2002
|
12.6
|
14.7
|
15.1
|
18.2
|
Mai 2002
|
10.2
|
12.3
|
12.2
|
15.8
|
Mehefin 2002
|
8.2
|
10.4
|
10.4
|
13.5
|
Gorffennaf 2002
|
11.9
|
13.9
|
14.2
|
16.8
|
Awst 2002
|
12.2
|
14.4
|
14.8
|
16.9
|
Medi 2002
|
12.6
|
15.8
|
15.7
|
17.6
|
Hydref 2002
|
10.9
|
14.6
|
14.4
|
16.2
|
Tachwedd 2002
|
14.9
|
18.1
|
18.2
|
20.2
|
Rhagfyr 2002
|
17.5
|
20.3
|
20.4
|
21.9
|
Ionawr 2003
|
16.0
|
18.4
|
19.1
|
20.3
|
Chwefror 2003
|
13.8
|
17.1
|
17.0
|
18.5
|
Mawrth 2003
|
15.0
|
18.3
|
18.3
|
20.1
|
Ebrill 2003
|
15.8
|
19.8
|
19.1
|
20.5
|
Mai 2003
|
15.6
|
19.6
|
19.8
|
20.1
|
Mehefin 2003
|
14.0
|
17.6
|
17.5
|
17.8
|
Gorffennaf 2003
|
11.9
|
15.7
|
15.6
|
16.3
|
Awst 2003
|
11.5
|
15.2
|
14.9
|
15.9
|
Medi 2003
|
11.4
|
15.6
|
15.8
|
16.1
|
Hydref 2003
|
11.9
|
15.8
|
16.6
|
16.5
|
Tachwedd 2003
|
8.2
|
12.4
|
13.5
|
12.7
|
Rhagfyr 2003
|
6.4
|
10.8
|
12.1
|
11.1
|
Ionawr 2004
|
4.0
|
8.3
|
9.2
|
8.1
|
Chwefror 2004
|
5.1
|
8.4
|
10.0
|
8.5
|
Mawrth 2004
|
3.3
|
6.6
|
8.2
|
6.4
|
Ebrill 2004
|
7.1
|
10.4
|
12.8
|
10.5
|
Mai 2004
|
4.5
|
8.4
|
10.6
|
9.1
|
Mehefin 2004
|
5.5
|
10.0
|
12.3
|
10.7
|
Gorffennaf 2004
|
1.6
|
6.2
|
8.3
|
7.0
|
Awst 2004
|
3.8
|
8.2
|
10.3
|
8.8
|
Medi 2004
|
5.0
|
8.8
|
10.7
|
9.9
|
Hydref 2004
|
5.4
|
8.8
|
10.6
|
10.2
|
Tachwedd 2004
|
6.0
|
9.0
|
10.9
|
10.8
|
Rhagfyr 2004
|
3.3
|
5.9
|
8.1
|
7.5
|
Ionawr 2005
|
7.5
|
9.8
|
12.5
|
11.5
|
Chwefror 2005
|
6.0
|
8.2
|
10.4
|
9.3
|
Mawrth 2005
|
9.9
|
12.2
|
14.2
|
13.2
|
Ebrill 2005
|
6.0
|
8.1
|
9.4
|
8.7
|
Mai 2005
|
6.4
|
7.8
|
9.1
|
8.1
|
Mehefin 2005
|
1.6
|
2.4
|
3.8
|
2.6
|
Gorffennaf 2005
|
2.8
|
3.3
|
4.6
|
3.2
|
Awst 2005
|
2.2
|
3.0
|
4.4
|
2.7
|
Medi 2005
|
1.5
|
2.2
|
3.9
|
2.0
|
Hydref 2005
|
2.6
|
3.2
|
5.2
|
3.1
|
Tachwedd 2005
|
1.1
|
2.0
|
3.9
|
1.8
|
Rhagfyr 2005
|
2.5
|
3.5
|
5.0
|
3.4
|
Ionawr 2006
|
-0.8
|
0.4
|
1.4
|
-0.3
|
Chwefror 2006
|
0.8
|
2.0
|
3.1
|
1.8
|
Mawrth 2006
|
-3.9
|
-2.9
|
-1.9
|
-3.2
|
Ebrill 2006
|
-2.9
|
-2.3
|
-1.1
|
-2.4
|
Mai 2006
|
0.7
|
0.8
|
1.5
|
0.3
|
Mehefin 2006
|
8.1
|
7.9
|
8.5
|
7.4
|
Gorffennaf 2006
|
8.9
|
8.5
|
9.4
|
8.1
|
Awst 2006
|
5.6
|
5.5
|
6.4
|
4.7
|
Medi 2006
|
5.1
|
5.0
|
5.8
|
3.8
|
Hydref 2006
|
4.9
|
4.9
|
5.1
|
3.3
|
Tachwedd 2006
|
6.8
|
6.6
|
6.6
|
4.6
|
Rhagfyr 2006
|
5.7
|
5.2
|
5.3
|
3.1
|
Ionawr 2007
|
9.0
|
8.5
|
8.7
|
6.7
|
Chwefror 2007
|
9.2
|
8.6
|
8.7
|
7.0
|
Mawrth 2007
|
12.5
|
12.0
|
12.2
|
10.4
|
Ebrill 2007
|
10.9
|
9.9
|
10.5
|
8.6
|
Mai 2007
|
10.3
|
9.8
|
10.8
|
8.9
|
Mehefin 2007
|
8.7
|
8.2
|
9.3
|
7.6
|
Gorffennaf 2007
|
9.9
|
9.2
|
9.8
|
8.7
|
Awst 2007
|
10.8
|
9.6
|
10.0
|
8.7
|
Medi 2007
|
10.4
|
9.1
|
9.3
|
8.6
|
Hydref 2007
|
10.2
|
8.7
|
9.2
|
8.3
|
Tachwedd 2007
|
11.8
|
9.8
|
10.4
|
10.4
|
Rhagfyr 2007
|
16.2
|
14.3
|
14.7
|
14.7
|
Ionawr 2008
|
17.1
|
15.0
|
15.2
|
15.5
|
Chwefror 2008
|
16.0
|
14.4
|
14.4
|
14.1
|
Mawrth 2008
|
12.1
|
10.4
|
10.6
|
10.1
|
Ebrill 2008
|
8.6
|
7.1
|
7.0
|
6.2
|
Mai 2008
|
4.0
|
2.1
|
1.9
|
0.8
|
Mehefin 2008
|
0.4
|
-1.8
|
-2.1
|
-3.4
|
Gorffennaf 2008
|
0.9
|
-1.2
|
-1.5
|
-2.8
|
Awst 2008
|
-0.9
|
-3.0
|
-3.4
|
-3.5
|
Medi 2008
|
-0.3
|
-2.5
|
-2.9
|
-3.0
|
Hydref 2008
|
-3.7
|
-5.8
|
-6.4
|
-6.4
|
Tachwedd 2008
|
-6.4
|
-8.4
|
-8.9
|
-9.4
|
Rhagfyr 2008
|
-12.5
|
-14.2
|
-14.7
|
-15.5
|
Ionawr 2009
|
-18.9
|
-20.7
|
-20.9
|
-21.5
|
Chwefror 2009
|
-22.0
|
-23.6
|
-23.7
|
-24.0
|
Mawrth 2009
|
-20.9
|
-22.3
|
-22.5
|
-21.6
|
Ebrill 2009
|
-18.6
|
-19.2
|
-19.3
|
-18.3
|
Mai 2009
|
-14.7
|
-14.9
|
-15.0
|
-14.3
|
Mehefin 2009
|
-13.1
|
-12.6
|
-12.7
|
-13.2
|
Gorffennaf 2009
|
-11.0
|
-10.5
|
-10.5
|
-11.9
|
Awst 2009
|
-7.2
|
-6.7
|
-6.4
|
-8.9
|
Medi 2009
|
-6.6
|
-5.8
|
-5.4
|
-8.3
|
Hydref 2009
|
-1.3
|
-0.4
|
0.1
|
-3.9
|
Tachwedd 2009
|
-0.2
|
0.8
|
1.5
|
-2.9
|
Rhagfyr 2009
|
3.4
|
4.8
|
5.4
|
0.3
|
Ionawr 2010
|
7.0
|
8.7
|
9.2
|
2.7
|
Chwefror 2010
|
13.8
|
15.0
|
15.3
|
7.4
|
Mawrth 2010
|
17.4
|
17.5
|
17.7
|
8.8
|
Ebrill 2010
|
17.8
|
16.6
|
16.6
|
8.5
|
Mai 2010
|
12.6
|
11.0
|
11.2
|
4.6
|
Mehefin 2010
|
11.9
|
10.2
|
10.4
|
4.5
|
Gorffennaf 2010
|
11.0
|
8.8
|
9.2
|
4.0
|
Awst 2010
|
11.8
|
9.9
|
9.7
|
5.1
|
Medi 2010
|
11.3
|
9.2
|
8.8
|
4.4
|
Hydref 2010
|
5.6
|
4.1
|
3.7
|
0.3
|
Tachwedd 2010
|
3.9
|
2.2
|
1.6
|
-1.1
|
Rhagfyr 2010
|
2.4
|
0.1
|
-0.7
|
-2.2
|
Ionawr 2011
|
4.1
|
1.2
|
0.4
|
0.2
|
Chwefror 2011
|
1.4
|
-2.2
|
-2.6
|
-2.0
|
Mawrth 2011
|
-1.3
|
-4.7
|
-5.0
|
-4.6
|
Ebrill 2011
|
-0.4
|
-3.6
|
-3.8
|
-3.8
|
Mai 2011
|
0.8
|
-1.3
|
-1.7
|
-1.4
|
Mehefin 2011
|
4.5
|
3.6
|
3.0
|
4.0
|
Gorffennaf 2011
|
3.6
|
4.0
|
3.5
|
5.0
|
Awst 2011
|
0.6
|
0.6
|
0.4
|
1.2
|
Medi 2011
|
0.8
|
0.5
|
0.4
|
0.9
|
Hydref 2011
|
1.9
|
0.9
|
0.4
|
0.2
|
Tachwedd 2011
|
5.6
|
4.6
|
4.1
|
4.2
|
Rhagfyr 2011
|
4.8
|
4.4
|
3.9
|
3.9
|
Ionawr 2012
|
4.1
|
5.2
|
4.7
|
4.0
|
Chwefror 2012
|
2.8
|
4.8
|
4.2
|
2.4
|
Mawrth 2012
|
3.8
|
7.0
|
6.6
|
4.6
|
Ebrill 2012
|
2.9
|
5.5
|
5.1
|
3.8
|
Mai 2012
|
6.2
|
8.2
|
8.1
|
6.2
|
Mehefin 2012
|
4.6
|
4.9
|
5.2
|
2.8
|
Gorffennaf 2012
|
5.7
|
5.4
|
5.7
|
2.8
|
Awst 2012
|
6.7
|
6.7
|
7.3
|
4.8
|
Medi 2012
|
3.2
|
3.7
|
4.3
|
2.2
|
Hydref 2012
|
1.9
|
3.1
|
4.1
|
2.4
|
Tachwedd 2012
|
-3.5
|
-2.2
|
-1.2
|
-3.4
|
Rhagfyr 2012
|
1.3
|
2.0
|
3.0
|
0.3
|
Ionawr 2013
|
3.8
|
3.9
|
4.6
|
2.0
|
Chwefror 2013
|
8.2
|
8.1
|
8.6
|
6.9
|
Mawrth 2013
|
6.6
|
6.0
|
6.3
|
5.4
|
Ebrill 2013
|
5.1
|
4.4
|
4.9
|
3.5
|
Mai 2013
|
3.4
|
2.3
|
2.6
|
1.2
|
Mehefin 2013
|
3.5
|
2.9
|
2.8
|
1.7
|
Gorffennaf 2013
|
0.4
|
0.2
|
0.1
|
-0.6
|
Awst 2013
|
-2.2
|
-2.2
|
-2.4
|
-2.9
|
Medi 2013
|
-0.2
|
-0.3
|
-0.4
|
-0.8
|
Hydref 2013
|
4.0
|
3.6
|
3.3
|
2.9
|
Tachwedd 2013
|
7.8
|
7.7
|
7.3
|
6.8
|
Rhagfyr 2013
|
4.0
|
4.7
|
4.3
|
4.4
|
Ionawr 2014
|
3.6
|
4.5
|
4.4
|
4.9
|
Chwefror 2014
|
2.4
|
3.4
|
3.5
|
3.8
|
Mawrth 2014
|
5.3
|
6.5
|
6.6
|
6.0
|
Ebrill 2014
|
6.4
|
8.0
|
7.9
|
7.0
|
Mai 2014
|
9.5
|
11.3
|
11.4
|
10.2
|
Mehefin 2014
|
8.3
|
10.0
|
10.0
|
9.2
|
Gorffennaf 2014
|
10.4
|
12.3
|
12.0
|
11.0
|
Awst 2014
|
10.4
|
12.1
|
11.7
|
10.9
|
Medi 2014
|
12.1
|
14.0
|
13.6
|
12.7
|
Hydref 2014
|
13.1
|
14.9
|
14.7
|
14.1
|
Tachwedd 2014
|
14.7
|
16.3
|
16.0
|
15.6
|
Rhagfyr 2014
|
16.6
|
17.2
|
17.1
|
16.4
|
Ionawr 2015
|
12.3
|
12.7
|
12.3
|
11.8
|
Chwefror 2015
|
11.4
|
11.4
|
11.1
|
10.8
|
Mawrth 2015
|
10.0
|
9.9
|
9.4
|
9.6
|
Ebrill 2015
|
10.0
|
9.8
|
9.4
|
9.6
|
Mai 2015
|
7.1
|
7.1
|
6.4
|
6.5
|
Mehefin 2015
|
9.8
|
10.0
|
9.4
|
8.8
|
Gorffennaf 2015
|
11.4
|
11.5
|
11.0
|
10.5
|
Awst 2015
|
13.5
|
13.8
|
13.5
|
12.9
|
Medi 2015
|
11.6
|
11.6
|
11.2
|
11.1
|
Hydref 2015
|
7.4
|
7.6
|
7.5
|
6.7
|
Tachwedd 2015
|
8.3
|
8.3
|
8.2
|
7.1
|
Rhagfyr 2015
|
8.4
|
8.6
|
8.4
|
6.9
|
Ionawr 2016
|
15.7
|
16.1
|
15.7
|
14.2
|
Chwefror 2016
|
15.7
|
16.6
|
15.9
|
14.2
|
Mawrth 2016
|
18.2
|
18.7
|
18.0
|
16.6
|
Ebrill 2016
|
15.6
|
16.3
|
15.8
|
14.6
|
Mai 2016
|
13.9
|
14.8
|
14.8
|
14.4
|
Mehefin 2016
|
8.7
|
9.8
|
10.1
|
10.3
|
Gorffennaf 2016
|
6.8
|
7.4
|
7.8
|
8.3
|
Awst 2016
|
6.2
|
6.5
|
6.8
|
7.4
|
Medi 2016
|
6.4
|
7.3
|
7.3
|
7.7
|
Hydref 2016
|
8.2
|
8.9
|
8.5
|
9.9
|
Tachwedd 2016
|
6.6
|
7.0
|
6.3
|
8.1
|
Rhagfyr 2016
|
7.8
|
7.7
|
7.1
|
9.5
|
Ionawr 2017
|
2.4
|
2.2
|
2.1
|
3.9
|
Chwefror 2017
|
0.9
|
1.0
|
1.1
|
3.6
|
Mawrth 2017
|
-2.7
|
-2.2
|
-2.0
|
0.4
|
Ebrill 2017
|
1.0
|
1.3
|
0.8
|
3.0
|
Mai 2017
|
2.8
|
2.8
|
1.8
|
4.0
|
Mehefin 2017
|
4.7
|
4.4
|
3.2
|
6.2
|
Gorffennaf 2017
|
2.6
|
3.0
|
1.8
|
4.8
|
Awst 2017
|
3.9
|
4.2
|
3.4
|
6.0
|
Medi 2017
|
3.4
|
3.3
|
2.9
|
4.9
|
Hydref 2017
|
6.0
|
6.0
|
5.7
|
6.6
|
Tachwedd 2017
|
5.3
|
5.9
|
5.7
|
6.2
|
Rhagfyr 2017
|
4.0
|
5.1
|
4.8
|
5.0
|
Ionawr 2018
|
3.0
|
4.1
|
3.7
|
4.2
|
Chwefror 2018
|
5.7
|
6.5
|
5.9
|
5.5
|
Mawrth 2018
|
7.5
|
8.4
|
7.9
|
6.1
|
Ebrill 2018
|
5.4
|
6.9
|
6.6
|
3.3
|
Mai 2018
|
3.1
|
4.0
|
3.9
|
-0.5
|
Mehefin 2018
|
1.9
|
2.5
|
2.1
|
-2.2
|
Gorffennaf 2018
|
4.4
|
3.8
|
3.6
|
-0.8
|
Awst 2018
|
3.4
|
3.2
|
2.7
|
-0.7
|
Medi 2018
|
3.2
|
2.9
|
2.5
|
-0.7
|
Hydref 2018
|
-0.5
|
-0.4
|
-1.0
|
-3.4
|
Tachwedd 2018
|
-0.8
|
-1.4
|
-1.8
|
-4.8
|
Rhagfyr 2018
|
-2.2
|
-2.7
|
-3.2
|
-5.8
|
Ionawr 2019
|
-0.2
|
-1.0
|
-1.5
|
-4.0
|
Chwefror 2019
|
-0.5
|
-1.0
|
-1.6
|
-3.3
|
Mawrth 2019
|
0.9
|
0.2
|
-0.4
|
-1.0
|
Ebrill 2019
|
1.3
|
0.8
|
0.3
|
0.0
|
Mai 2019
|
2.7
|
2.4
|
2.1
|
2.5
|
Mehefin 2019
|
1.9
|
1.8
|
1.7
|
1.6
|
Gorffennaf 2019
|
-0.9
|
-0.1
|
-0.3
|
-0.3
|
Awst 2019
|
-2.4
|
-1.9
|
-2.2
|
-2.9
|
Medi 2019
|
-2.4
|
-2.0
|
-2.0
|
-2.5
|
Hydref 2019
|
0.3
|
0.4
|
0.4
|
-0.5
|
Tachwedd 2019
|
1.4
|
2.1
|
1.8
|
1.8
|
Rhagfyr 2019
|
2.5
|
3.2
|
2.8
|
2.2
|
Ionawr 2020
|
2.8
|
3.8
|
3.7
|
2.6
|
Chwefror 2020
|
2.0
|
2.6
|
2.9
|
0.4
|
Mawrth 2020
|
0.2
|
0.6
|
0.9
|
-1.7
|
Ebrill 2020
|
2.0
|
1.4
|
1.5
|
-1.3
|
Mai 2020
|
2.0
|
1.2
|
1.1
|
-0.5
|
Mehefin 2020
|
5.0
|
4.5
|
4.5
|
2.3
|
Gorffennaf 2020
|
3.5
|
3.3
|
3.2
|
1.2
|
Awst 2020
|
5.9
|
5.7
|
5.8
|
3.0
|
Medi 2020
|
6.3
|
5.9
|
5.5
|
2.8
|
Hydref 2020
|
7.1
|
6.4
|
6.3
|
2.8
|
Tachwedd 2020
|
6.3
|
5.1
|
5.8
|
1.7
|
Rhagfyr 2020
|
5.6
|
4.2
|
5.4
|
1.1
|
Ionawr 2021
|
1.4
|
0.3
|
1.5
|
-1.9
|
Chwefror 2021
|
1.2
|
1.1
|
2.3
|
-0.2
|
Mawrth 2021
|
1.5
|
2.2
|
3.9
|
2.1
|
Ebrill 2021
|
2.0
|
3.4
|
5.1
|
4.3
|
Mai 2021
|
2.9
|
3.9
|
5.7
|
4.3
|
Mehefin 2021
|
1.6
|
2.2
|
4.3
|
2.9
|
Gorffennaf 2021
|
4.1
|
3.8
|
5.6
|
3.8
|
Awst 2021
|
3.3
|
2.6
|
3.8
|
2.3
|
Medi 2021
|
4.4
|
3.9
|
4.6
|
3.0
|
Hydref 2021
|
4.8
|
4.1
|
4.5
|
3.0
|
Tachwedd 2021
|
4.9
|
4.5
|
4.5
|
3.5
|
Rhagfyr 2021
|
7.1
|
6.3
|
5.6
|
4.7
|
Ionawr 2022
|
10.5
|
9.7
|
8.8
|
6.9
|
Chwefror 2022
|
10.7
|
9.3
|
8.2
|
5.7
|
Mawrth 2022
|
7.7
|
5.8
|
4.1
|
0.9
|
Ebrill 2022
|
6.8
|
5.0
|
3.7
|
0.0
|
Mai 2022
|
8.4
|
6.9
|
5.7
|
1.2
|
Mehefin 2022
|
10.9
|
9.7
|
8.2
|
4.3
|
Gorffennaf 2022
|
10.7
|
10.2
|
8.9
|
4.4
|
Awst 2022
|
11.6
|
11.9
|
11.2
|
6.9
|
Medi 2022
|
9.8
|
10.4
|
10.2
|
5.2
|
Hydref 2022
|
9.9
|
11.1
|
11.1
|
6.8
|
Tachwedd 2022
|
9.2
|
10.3
|
10.3
|
5.8
|
Rhagfyr 2022
|
8.2
|
10.1
|
10.3
|
6.5
|
Ionawr 2023
|
7.3
|
8.4
|
8.6
|
5.5
|
Chwefror 2023
|
8.3
|
9.0
|
8.9
|
6.2
|
Mawrth 2023
|
10.4
|
10.5
|
10.4
|
8.1
|
Ebrill 2023
|
8.8
|
8.6
|
7.9
|
6.4
|
Mai 2023
|
4.5
|
4.5
|
3.7
|
3.5
|
Mehefin 2023
|
2.2
|
1.8
|
1.2
|
0.9
|
Gorffennaf 2023
|
1.3
|
1.0
|
0.6
|
-0.1
|
Awst 2023
|
0.3
|
-0.3
|
-0.7
|
-1.9
|
Medi 2023
|
0.0
|
-0.2
|
-0.7
|
-1.6
|
Dyddiad
|
Tai ar wahân
|
Tai pâr
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ionawr 1995
|
|
|
|
|
Chwefror 1995
|
-7.7
|
-6.2
|
-6.2
|
-6.2
|
Mawrth 1995
|
0.6
|
1.0
|
1.4
|
1.1
|
Ebrill 1995
|
-0.9
|
-0.1
|
0.2
|
0.1
|
Mai 1995
|
1.7
|
1.5
|
1.4
|
1.3
|
Mehefin 1995
|
-0.6
|
-0.5
|
-1.0
|
-0.4
|
Gorffennaf 1995
|
-1.4
|
-1.7
|
-2.0
|
-2.4
|
Awst 1995
|
2.3
|
1.7
|
1.7
|
1.3
|
Medi 1995
|
0.4
|
-0.2
|
-0.2
|
-0.9
|
Hydref 1995
|
-1.1
|
-1.1
|
-1.5
|
-0.9
|
Tachwedd 1995
|
-0.2
|
0.1
|
-0.2
|
0.5
|
Rhagfyr 1995
|
-1.1
|
-0.6
|
-0.6
|
-0.4
|
Ionawr 1996
|
-0.3
|
-0.2
|
0.0
|
-0.6
|
Chwefror 1996
|
-2.4
|
-2.0
|
-2.0
|
-2.6
|
Mawrth 1996
|
-0.1
|
-0.4
|
-0.7
|
-1.0
|
Ebrill 1996
|
3.3
|
3.4
|
3.7
|
3.6
|
Mai 1996
|
-0.2
|
-0.3
|
0.1
|
-0.0
|
Mehefin 1996
|
-0.4
|
-0.2
|
-0.0
|
0.5
|
Gorffennaf 1996
|
2.0
|
1.6
|
1.2
|
0.9
|
Awst 1996
|
4.9
|
4.0
|
3.7
|
3.4
|
Medi 1996
|
3.8
|
3.3
|
3.2
|
2.2
|
Hydref 1996
|
-2.3
|
-2.6
|
-2.7
|
-2.8
|
Tachwedd 1996
|
-0.1
|
0.2
|
0.3
|
0.6
|
Rhagfyr 1996
|
-0.7
|
-0.3
|
-0.3
|
-0.3
|
Ionawr 1997
|
1.8
|
1.8
|
2.0
|
1.6
|
Chwefror 1997
|
1.7
|
1.4
|
1.2
|
1.3
|
Mawrth 1997
|
0.7
|
0.4
|
0.8
|
1.0
|
Ebrill 1997
|
1.3
|
1.5
|
1.5
|
1.8
|
Mai 1997
|
-0.7
|
-0.3
|
-0.4
|
-1.2
|
Mehefin 1997
|
2.6
|
2.2
|
1.8
|
1.0
|
Gorffennaf 1997
|
-0.4
|
-0.9
|
-0.8
|
-1.9
|
Awst 1997
|
2.4
|
1.8
|
1.7
|
1.5
|
Medi 1997
|
3.3
|
2.9
|
2.7
|
2.6
|
Hydref 1997
|
0.9
|
0.9
|
0.6
|
1.1
|
Tachwedd 1997
|
0.8
|
0.7
|
0.6
|
0.7
|
Rhagfyr 1997
|
-0.3
|
0.3
|
0.2
|
0.4
|
Ionawr 1998
|
-0.3
|
-0.8
|
-0.7
|
-0.6
|
Chwefror 1998
|
0.9
|
1.4
|
1.4
|
2.4
|
Mawrth 1998
|
1.1
|
1.1
|
1.1
|
1.0
|
Ebrill 1998
|
4.8
|
5.3
|
5.2
|
5.0
|
Mai 1998
|
2.5
|
2.6
|
2.9
|
1.9
|
Mehefin 1998
|
1.1
|
1.0
|
1.0
|
1.5
|
Gorffennaf 1998
|
0.8
|
0.6
|
0.6
|
0.4
|
Awst 1998
|
1.0
|
0.0
|
-0.2
|
-0.2
|
Medi 1998
|
2.2
|
1.6
|
1.6
|
0.9
|
Hydref 1998
|
-1.1
|
-1.0
|
-1.0
|
-0.5
|
Tachwedd 1998
|
-0.4
|
-0.2
|
-0.4
|
0.2
|
Rhagfyr 1998
|
-3.6
|
-3.0
|
-3.1
|
-2.2
|
Ionawr 1999
|
1.8
|
1.4
|
1.4
|
1.6
|
Chwefror 1999
|
0.2
|
0.1
|
0.2
|
0.5
|
Mawrth 1999
|
2.6
|
2.4
|
2.4
|
2.6
|
Ebrill 1999
|
2.9
|
3.2
|
3.6
|
3.3
|
Mai 1999
|
0.6
|
1.0
|
1.2
|
0.7
|
Mehefin 1999
|
0.6
|
0.5
|
0.8
|
0.2
|
Gorffennaf 1999
|
0.5
|
-0.1
|
-0.2
|
-0.3
|
Awst 1999
|
2.9
|
2.1
|
2.3
|
2.0
|
Medi 1999
|
4.6
|
3.7
|
3.6
|
4.0
|
Hydref 1999
|
1.6
|
1.8
|
1.5
|
2.3
|
Tachwedd 1999
|
3.0
|
3.0
|
2.8
|
3.4
|
Rhagfyr 1999
|
0.3
|
1.2
|
1.3
|
1.6
|
Ionawr 2000
|
0.5
|
0.1
|
0.1
|
-0.5
|
Chwefror 2000
|
0.4
|
0.5
|
0.6
|
0.1
|
Mawrth 2000
|
1.6
|
1.2
|
1.0
|
0.3
|
Ebrill 2000
|
2.6
|
3.1
|
3.5
|
3.7
|
Mai 2000
|
1.9
|
2.0
|
1.7
|
2.2
|
Mehefin 2000
|
0.8
|
1.1
|
1.1
|
1.6
|
Gorffennaf 2000
|
2.9
|
2.2
|
1.7
|
1.6
|
Awst 2000
|
0.4
|
-0.2
|
-0.4
|
0.1
|
Medi 2000
|
3.6
|
2.6
|
2.4
|
2.6
|
Hydref 2000
|
-1.0
|
-0.7
|
-0.9
|
-0.3
|
Tachwedd 2000
|
1.8
|
1.5
|
1.6
|
1.8
|
Rhagfyr 2000
|
-2.6
|
-2.0
|
-1.9
|
-1.3
|
Ionawr 2001
|
0.5
|
0.6
|
1.0
|
0.8
|
Chwefror 2001
|
-1.7
|
-1.3
|
-1.3
|
-1.4
|
Mawrth 2001
|
0.5
|
0.6
|
0.5
|
-0.0
|
Ebrill 2001
|
2.4
|
2.2
|
2.6
|
2.6
|
Mai 2001
|
3.2
|
3.6
|
3.9
|
3.6
|
Mehefin 2001
|
2.8
|
3.2
|
3.4
|
3.9
|
Gorffennaf 2001
|
0.7
|
0.6
|
0.4
|
0.2
|
Awst 2001
|
1.8
|
1.3
|
1.4
|
1.7
|
Medi 2001
|
1.1
|
0.0
|
0.1
|
0.1
|
Hydref 2001
|
0.1
|
0.3
|
0.0
|
0.6
|
Tachwedd 2001
|
-1.0
|
-0.5
|
-0.8
|
-0.5
|
Rhagfyr 2001
|
0.2
|
1.3
|
1.2
|
2.1
|
Ionawr 2002
|
2.6
|
2.8
|
2.7
|
3.1
|
Chwefror 2002
|
1.1
|
1.3
|
1.8
|
1.7
|
Mawrth 2002
|
0.1
|
0.1
|
0.2
|
-0.3
|
Ebrill 2002
|
-0.6
|
-0.2
|
0.1
|
0.6
|
Mai 2002
|
1.0
|
1.5
|
1.2
|
1.5
|
Mehefin 2002
|
1.0
|
1.5
|
1.8
|
1.9
|
Gorffennaf 2002
|
4.1
|
3.8
|
3.9
|
3.1
|
Awst 2002
|
2.0
|
1.8
|
1.9
|
1.8
|
Medi 2002
|
1.4
|
1.3
|
0.9
|
0.7
|
Hydref 2002
|
-1.4
|
-0.8
|
-1.1
|
-0.6
|
Tachwedd 2002
|
2.6
|
2.6
|
2.5
|
2.9
|
Rhagfyr 2002
|
2.4
|
3.1
|
3.1
|
3.7
|
Ionawr 2003
|
1.3
|
1.2
|
1.6
|
1.7
|
Chwefror 2003
|
-0.7
|
0.2
|
-0.0
|
0.2
|
Mawrth 2003
|
1.1
|
1.1
|
1.2
|
1.1
|
Ebrill 2003
|
0.0
|
1.1
|
0.8
|
0.9
|
Mai 2003
|
0.9
|
1.4
|
1.8
|
1.1
|
Mehefin 2003
|
-0.5
|
-0.2
|
-0.1
|
-0.0
|
Gorffennaf 2003
|
2.2
|
2.1
|
2.2
|
1.8
|
Awst 2003
|
1.6
|
1.4
|
1.3
|
1.4
|
Medi 2003
|
1.4
|
1.6
|
1.7
|
1.0
|
Hydref 2003
|
-0.9
|
-0.7
|
-0.4
|
-0.3
|
Tachwedd 2003
|
-0.8
|
-0.4
|
-0.3
|
-0.4
|
Rhagfyr 2003
|
0.8
|
1.6
|
1.8
|
2.2
|
Ionawr 2004
|
-1.1
|
-1.1
|
-1.0
|
-1.1
|
Chwefror 2004
|
0.3
|
0.3
|
0.7
|
0.6
|
Mawrth 2004
|
-0.6
|
-0.6
|
-0.4
|
-0.9
|
Ebrill 2004
|
3.7
|
4.7
|
5.1
|
4.8
|
Mai 2004
|
-1.6
|
-0.5
|
-0.2
|
-0.2
|
Mehefin 2004
|
0.5
|
1.2
|
1.4
|
1.5
|
Gorffennaf 2004
|
-1.6
|
-1.4
|
-1.5
|
-1.6
|
Awst 2004
|
3.8
|
3.3
|
3.1
|
3.2
|
Medi 2004
|
2.6
|
2.2
|
2.1
|
2.0
|
Hydref 2004
|
-0.6
|
-0.7
|
-0.6
|
-0.1
|
Tachwedd 2004
|
-0.3
|
-0.2
|
-0.0
|
0.1
|
Rhagfyr 2004
|
-1.8
|
-1.3
|
-0.7
|
-0.8
|
Ionawr 2005
|
3.0
|
2.6
|
3.0
|
2.6
|
Chwefror 2005
|
-1.1
|
-1.2
|
-1.1
|
-1.4
|
Mawrth 2005
|
3.1
|
3.1
|
3.0
|
2.6
|
Ebrill 2005
|
-0.0
|
0.8
|
0.8
|
0.6
|
Mai 2005
|
-1.2
|
-0.8
|
-0.5
|
-0.7
|
Mehefin 2005
|
-4.0
|
-3.8
|
-3.6
|
-3.7
|
Gorffennaf 2005
|
-0.4
|
-0.6
|
-0.7
|
-1.0
|
Awst 2005
|
3.2
|
2.9
|
3.0
|
2.7
|
Medi 2005
|
1.9
|
1.4
|
1.6
|
1.3
|
Hydref 2005
|
0.4
|
0.3
|
0.7
|
1.0
|
Tachwedd 2005
|
-1.8
|
-1.4
|
-1.2
|
-1.2
|
Rhagfyr 2005
|
-0.4
|
0.1
|
0.3
|
0.8
|
Ionawr 2006
|
-0.4
|
-0.6
|
-0.6
|
-1.1
|
Chwefror 2006
|
0.5
|
0.4
|
0.5
|
0.7
|
Mawrth 2006
|
-1.6
|
-1.8
|
-2.0
|
-2.5
|
Ebrill 2006
|
1.0
|
1.5
|
1.5
|
1.4
|
Mai 2006
|
2.5
|
2.4
|
2.2
|
2.1
|
Mehefin 2006
|
3.1
|
3.0
|
3.0
|
3.1
|
Gorffennaf 2006
|
0.3
|
-0.0
|
0.2
|
-0.4
|
Awst 2006
|
0.1
|
0.0
|
0.2
|
-0.5
|
Medi 2006
|
1.4
|
1.0
|
1.0
|
0.4
|
Hydref 2006
|
0.2
|
0.2
|
0.1
|
0.5
|
Tachwedd 2006
|
0.0
|
0.2
|
0.1
|
0.1
|
Rhagfyr 2006
|
-1.4
|
-1.1
|
-0.9
|
-0.6
|
Ionawr 2007
|
2.7
|
2.6
|
2.6
|
2.3
|
Chwefror 2007
|
0.7
|
0.5
|
0.5
|
1.0
|
Mawrth 2007
|
1.3
|
1.2
|
1.1
|
0.7
|
Ebrill 2007
|
-0.5
|
-0.4
|
-0.0
|
-0.3
|
Mai 2007
|
2.0
|
2.2
|
2.5
|
2.4
|
Mehefin 2007
|
1.6
|
1.5
|
1.6
|
1.9
|
Gorffennaf 2007
|
1.4
|
0.9
|
0.6
|
0.6
|
Awst 2007
|
1.0
|
0.5
|
0.4
|
-0.6
|
Medi 2007
|
1.0
|
0.5
|
0.3
|
0.3
|
Hydref 2007
|
-0.0
|
-0.2
|
-0.0
|
0.3
|
Tachwedd 2007
|
1.5
|
1.3
|
1.2
|
2.0
|
Rhagfyr 2007
|
2.5
|
3.0
|
3.0
|
3.2
|
Ionawr 2008
|
3.5
|
3.2
|
3.0
|
3.0
|
Chwefror 2008
|
-0.2
|
-0.1
|
-0.1
|
-0.2
|
Mawrth 2008
|
-2.1
|
-2.3
|
-2.3
|
-2.8
|
Ebrill 2008
|
-3.6
|
-3.4
|
-3.3
|
-3.8
|
Mai 2008
|
-2.4
|
-2.6
|
-2.4
|
-2.9
|
Mehefin 2008
|
-1.9
|
-2.3
|
-2.4
|
-2.3
|
Gorffennaf 2008
|
1.9
|
1.5
|
1.2
|
1.2
|
Awst 2008
|
-0.8
|
-1.3
|
-1.5
|
-1.4
|
Medi 2008
|
1.6
|
0.9
|
0.8
|
0.9
|
Hydref 2008
|
-3.5
|
-3.6
|
-3.7
|
-3.2
|
Tachwedd 2008
|
-1.3
|
-1.5
|
-1.5
|
-1.3
|
Rhagfyr 2008
|
-4.1
|
-3.7
|
-3.5
|
-3.8
|
Ionawr 2009
|
-4.1
|
-4.6
|
-4.5
|
-4.2
|
Chwefror 2009
|
-4.1
|
-3.7
|
-3.7
|
-3.4
|
Mawrth 2009
|
-0.6
|
-0.6
|
-0.7
|
0.2
|
Ebrill 2009
|
-0.8
|
0.4
|
0.7
|
0.2
|
Mai 2009
|
2.4
|
2.7
|
2.8
|
1.9
|
Mehefin 2009
|
-0.1
|
0.2
|
0.2
|
-1.0
|
Gorffennaf 2009
|
4.4
|
4.0
|
3.8
|
2.6
|
Awst 2009
|
3.4
|
2.9
|
3.0
|
2.0
|
Medi 2009
|
2.2
|
1.9
|
1.9
|
1.5
|
Hydref 2009
|
2.0
|
2.0
|
1.9
|
1.5
|
Tachwedd 2009
|
-0.2
|
-0.2
|
-0.0
|
-0.3
|
Rhagfyr 2009
|
-0.7
|
0.1
|
0.2
|
-0.6
|
Ionawr 2010
|
-0.7
|
-1.0
|
-1.0
|
-2.0
|
Chwefror 2010
|
2.0
|
1.9
|
1.6
|
1.0
|
Mawrth 2010
|
2.6
|
1.5
|
1.4
|
1.6
|
Ebrill 2010
|
-0.5
|
-0.3
|
-0.2
|
0.0
|
Mai 2010
|
-2.2
|
-2.3
|
-2.0
|
-1.9
|
Mehefin 2010
|
-0.7
|
-0.6
|
-0.5
|
-1.0
|
Gorffennaf 2010
|
3.6
|
2.7
|
2.6
|
2.1
|
Awst 2010
|
4.1
|
4.0
|
3.5
|
3.1
|
Medi 2010
|
1.8
|
1.2
|
1.0
|
0.8
|
Hydref 2010
|
-3.2
|
-2.8
|
-2.9
|
-2.5
|
Tachwedd 2010
|
-1.8
|
-2.1
|
-2.1
|
-1.7
|
Rhagfyr 2010
|
-2.2
|
-1.9
|
-2.1
|
-1.7
|
Ionawr 2011
|
1.0
|
0.1
|
0.1
|
0.4
|
Chwefror 2011
|
-0.7
|
-1.5
|
-1.4
|
-1.1
|
Mawrth 2011
|
-0.1
|
-1.1
|
-1.1
|
-1.2
|
Ebrill 2011
|
0.4
|
0.9
|
1.0
|
0.9
|
Mai 2011
|
-1.0
|
0.1
|
0.2
|
0.6
|
Mehefin 2011
|
2.9
|
4.4
|
4.3
|
4.3
|
Gorffennaf 2011
|
2.7
|
3.0
|
3.1
|
3.1
|
Awst 2011
|
1.1
|
0.7
|
0.5
|
-0.6
|
Medi 2011
|
1.9
|
1.0
|
1.0
|
0.5
|
Hydref 2011
|
-2.1
|
-2.3
|
-2.8
|
-3.1
|
Tachwedd 2011
|
1.8
|
1.5
|
1.5
|
2.3
|
Rhagfyr 2011
|
-3.0
|
-2.1
|
-2.2
|
-2.0
|
Ionawr 2012
|
0.3
|
0.8
|
0.9
|
0.5
|
Chwefror 2012
|
-2.0
|
-1.9
|
-1.8
|
-2.7
|
Mawrth 2012
|
0.9
|
1.0
|
1.2
|
0.9
|
Ebrill 2012
|
-0.5
|
-0.5
|
-0.4
|
0.2
|
Mai 2012
|
2.1
|
2.6
|
2.9
|
3.0
|
Mehefin 2012
|
1.3
|
1.2
|
1.6
|
1.0
|
Gorffennaf 2012
|
3.8
|
3.4
|
3.5
|
3.1
|
Awst 2012
|
2.1
|
2.0
|
2.0
|
1.3
|
Medi 2012
|
-1.5
|
-1.8
|
-1.9
|
-1.9
|
Hydref 2012
|
-3.3
|
-3.0
|
-3.0
|
-3.0
|
Tachwedd 2012
|
-3.7
|
-3.7
|
-3.7
|
-3.5
|
Rhagfyr 2012
|
1.9
|
2.0
|
1.9
|
1.8
|
Ionawr 2013
|
2.8
|
2.7
|
2.5
|
2.2
|
Chwefror 2013
|
2.2
|
2.1
|
1.9
|
2.0
|
Mawrth 2013
|
-0.6
|
-0.9
|
-0.9
|
-0.5
|
Ebrill 2013
|
-1.9
|
-2.0
|
-1.7
|
-1.7
|
Mai 2013
|
0.4
|
0.6
|
0.6
|
0.8
|
Mehefin 2013
|
1.4
|
1.7
|
1.8
|
1.4
|
Gorffennaf 2013
|
0.8
|
0.8
|
0.8
|
0.8
|
Awst 2013
|
-0.5
|
-0.5
|
-0.5
|
-1.0
|
Medi 2013
|
0.5
|
0.1
|
0.1
|
0.1
|
Hydref 2013
|
0.8
|
0.8
|
0.6
|
0.6
|
Tachwedd 2013
|
-0.2
|
0.1
|
0.1
|
0.2
|
Rhagfyr 2013
|
-1.7
|
-0.8
|
-1.0
|
-0.5
|
Ionawr 2014
|
2.4
|
2.5
|
2.6
|
2.6
|
Chwefror 2014
|
1.1
|
1.0
|
1.0
|
1.0
|
Mawrth 2014
|
2.1
|
2.0
|
2.0
|
1.6
|
Ebrill 2014
|
-0.8
|
-0.7
|
-0.5
|
-0.8
|
Mai 2014
|
3.3
|
3.7
|
3.8
|
3.7
|
Mehefin 2014
|
0.3
|
0.5
|
0.5
|
0.5
|
Gorffennaf 2014
|
2.7
|
2.8
|
2.7
|
2.4
|
Awst 2014
|
-0.5
|
-0.6
|
-0.8
|
-1.1
|
Medi 2014
|
2.1
|
1.8
|
1.9
|
1.7
|
Hydref 2014
|
1.6
|
1.7
|
1.5
|
1.9
|
Tachwedd 2014
|
1.2
|
1.3
|
1.2
|
1.5
|
Rhagfyr 2014
|
-0.1
|
0.0
|
-0.1
|
0.2
|
Ionawr 2015
|
-1.3
|
-1.4
|
-1.6
|
-1.4
|
Chwefror 2015
|
0.3
|
-0.2
|
-0.1
|
0.1
|
Mawrth 2015
|
0.8
|
0.6
|
0.4
|
0.5
|
Ebrill 2015
|
-0.7
|
-0.7
|
-0.5
|
-0.7
|
Mai 2015
|
0.6
|
1.1
|
1.0
|
0.8
|
Mehefin 2015
|
2.9
|
3.2
|
3.4
|
2.7
|
Gorffennaf 2015
|
4.1
|
4.3
|
4.2
|
4.0
|
Awst 2015
|
1.4
|
1.4
|
1.4
|
1.1
|
Medi 2015
|
0.4
|
-0.2
|
-0.1
|
0.2
|
Hydref 2015
|
-2.1
|
-2.0
|
-1.9
|
-2.2
|
Tachwedd 2015
|
2.0
|
2.0
|
1.8
|
1.9
|
Rhagfyr 2015
|
-0.0
|
0.3
|
0.2
|
0.0
|
Ionawr 2016
|
5.3
|
5.5
|
5.0
|
5.3
|
Chwefror 2016
|
0.3
|
0.2
|
0.1
|
0.1
|
Mawrth 2016
|
2.9
|
2.5
|
2.3
|
2.6
|
Ebrill 2016
|
-2.9
|
-2.8
|
-2.4
|
-2.5
|
Mai 2016
|
-0.9
|
-0.2
|
0.1
|
0.6
|
Mehefin 2016
|
-1.8
|
-1.3
|
-0.8
|
-1.0
|
Gorffennaf 2016
|
2.3
|
2.1
|
2.0
|
2.1
|
Awst 2016
|
0.9
|
0.5
|
0.5
|
0.3
|
Medi 2016
|
0.5
|
0.6
|
0.2
|
0.4
|
Hydref 2016
|
-0.4
|
-0.6
|
-0.8
|
-0.2
|
Tachwedd 2016
|
0.5
|
0.2
|
-0.2
|
0.2
|
Rhagfyr 2016
|
1.1
|
0.9
|
0.9
|
1.3
|
Ionawr 2017
|
0.0
|
0.1
|
0.1
|
-0.1
|
Chwefror 2017
|
-1.2
|
-1.0
|
-0.9
|
-0.2
|
Mawrth 2017
|
-0.7
|
-0.6
|
-0.8
|
-0.5
|
Ebrill 2017
|
0.2
|
-0.0
|
0.0
|
0.4
|
Mai 2017
|
0.4
|
0.9
|
0.7
|
0.7
|
Mehefin 2017
|
1.0
|
1.3
|
1.4
|
1.6
|
Gorffennaf 2017
|
0.2
|
0.7
|
0.6
|
0.7
|
Awst 2017
|
2.1
|
1.7
|
2.1
|
1.5
|
Medi 2017
|
-0.0
|
-0.2
|
-0.2
|
-0.7
|
Hydref 2017
|
2.1
|
2.0
|
2.0
|
1.4
|
Tachwedd 2017
|
-0.1
|
0.1
|
-0.2
|
-0.1
|
Rhagfyr 2017
|
-0.1
|
0.2
|
0.1
|
0.1
|
Ionawr 2018
|
-0.9
|
-0.8
|
-0.9
|
-0.8
|
Chwefror 2018
|
1.4
|
1.2
|
1.2
|
1.0
|
Mawrth 2018
|
1.0
|
1.2
|
1.1
|
0.0
|
Ebrill 2018
|
-1.6
|
-1.4
|
-1.3
|
-2.2
|
Mai 2018
|
-1.8
|
-1.8
|
-1.8
|
-3.0
|
Mehefin 2018
|
-0.1
|
-0.3
|
-0.4
|
-0.1
|
Gorffennaf 2018
|
2.8
|
2.0
|
2.1
|
2.1
|
Awst 2018
|
1.1
|
1.0
|
1.2
|
1.6
|
Medi 2018
|
-0.2
|
-0.5
|
-0.4
|
-0.7
|
Hydref 2018
|
-1.6
|
-1.3
|
-1.6
|
-1.3
|
Tachwedd 2018
|
-0.5
|
-0.9
|
-1.0
|
-1.5
|
Rhagfyr 2018
|
-1.5
|
-1.2
|
-1.3
|
-0.9
|
Ionawr 2019
|
1.1
|
1.0
|
0.8
|
1.0
|
Chwefror 2019
|
1.1
|
1.2
|
1.1
|
1.8
|
Mawrth 2019
|
2.4
|
2.4
|
2.3
|
2.4
|
Ebrill 2019
|
-1.2
|
-0.9
|
-0.6
|
-1.2
|
Mai 2019
|
-0.5
|
-0.1
|
0.0
|
-0.6
|
Mehefin 2019
|
-0.9
|
-0.9
|
-0.8
|
-1.0
|
Gorffennaf 2019
|
-0.0
|
0.1
|
0.1
|
0.3
|
Awst 2019
|
-0.5
|
-0.8
|
-0.8
|
-1.1
|
Medi 2019
|
-0.2
|
-0.6
|
-0.2
|
-0.3
|
Hydref 2019
|
1.1
|
1.0
|
0.8
|
0.8
|
Tachwedd 2019
|
0.6
|
0.8
|
0.4
|
0.8
|
Rhagfyr 2019
|
-0.4
|
-0.1
|
-0.3
|
-0.6
|
Ionawr 2020
|
1.4
|
1.5
|
1.6
|
1.4
|
Chwefror 2020
|
0.3
|
0.1
|
0.4
|
-0.3
|
Mawrth 2020
|
0.6
|
0.4
|
0.3
|
0.3
|
Ebrill 2020
|
0.5
|
-0.1
|
0.0
|
-0.8
|
Mai 2020
|
-0.5
|
-0.2
|
-0.4
|
0.1
|
Mehefin 2020
|
2.0
|
2.4
|
2.6
|
1.8
|
Gorffennaf 2020
|
-1.5
|
-1.1
|
-1.2
|
-0.8
|
Awst 2020
|
1.8
|
1.5
|
1.7
|
0.7
|
Medi 2020
|
0.3
|
-0.3
|
-0.5
|
-0.6
|
Hydref 2020
|
1.8
|
1.5
|
1.6
|
0.8
|
Tachwedd 2020
|
-0.1
|
-0.3
|
-0.0
|
-0.4
|
Rhagfyr 2020
|
-1.0
|
-1.0
|
-0.8
|
-1.2
|
Ionawr 2021
|
-2.7
|
-2.3
|
-2.0
|
-1.6
|
Chwefror 2021
|
0.1
|
0.8
|
1.1
|
1.5
|
Mawrth 2021
|
0.9
|
1.6
|
1.9
|
2.7
|
Ebrill 2021
|
1.0
|
1.1
|
1.2
|
1.2
|
Mai 2021
|
0.4
|
0.2
|
0.2
|
0.2
|
Mehefin 2021
|
0.7
|
0.6
|
1.1
|
0.4
|
Gorffennaf 2021
|
0.9
|
0.4
|
0.1
|
0.1
|
Awst 2021
|
1.0
|
0.3
|
-0.1
|
-0.8
|
Medi 2021
|
1.3
|
1.0
|
0.4
|
0.2
|
Hydref 2021
|
2.2
|
1.7
|
1.5
|
0.8
|
Tachwedd 2021
|
0.0
|
0.0
|
-0.1
|
0.1
|
Rhagfyr 2021
|
1.1
|
0.7
|
0.4
|
0.0
|
Ionawr 2022
|
0.4
|
0.9
|
0.9
|
0.4
|
Chwefror 2022
|
0.2
|
0.5
|
0.5
|
0.4
|
Mawrth 2022
|
-1.8
|
-1.7
|
-2.0
|
-2.0
|
Ebrill 2022
|
0.2
|
0.3
|
0.8
|
0.4
|
Mai 2022
|
1.9
|
2.0
|
2.1
|
1.3
|
Mehefin 2022
|
3.0
|
3.3
|
3.5
|
3.5
|
Gorffennaf 2022
|
0.7
|
0.9
|
0.7
|
0.3
|
Awst 2022
|
1.8
|
1.9
|
2.0
|
1.5
|
Medi 2022
|
-0.3
|
-0.5
|
-0.5
|
-1.4
|
Hydref 2022
|
2.3
|
2.4
|
2.3
|
2.2
|
Tachwedd 2022
|
-0.7
|
-0.7
|
-0.9
|
-0.9
|
Rhagfyr 2022
|
0.2
|
0.6
|
0.5
|
0.6
|
Ionawr 2023
|
-0.4
|
-0.6
|
-0.7
|
-0.5
|
Chwefror 2023
|
1.1
|
1.0
|
0.9
|
1.0
|
Mawrth 2023
|
0.1
|
-0.3
|
-0.6
|
-0.3
|
Ebrill 2023
|
-1.3
|
-1.4
|
-1.5
|
-1.2
|
Mai 2023
|
-2.1
|
-1.9
|
-1.9
|
-1.4
|
Mehefin 2023
|
0.8
|
0.6
|
1.0
|
0.8
|
Gorffennaf 2023
|
-0.2
|
0.1
|
0.1
|
-0.6
|
Awst 2023
|
0.9
|
0.6
|
0.6
|
-0.3
|
Medi 2023
|
-0.6
|
-0.4
|
-0.5
|
-1.1
|
Dyddiad
|
Tai ar wahân
|
Tai pâr
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ionawr 1995
|
27.1
|
25.8
|
25.3
|
28.9
|
Chwefror 1995
|
25.0
|
24.2
|
23.8
|
27.1
|
Mawrth 1995
|
25.2
|
24.5
|
24.1
|
27.4
|
Ebrill 1995
|
24.9
|
24.4
|
24.2
|
27.4
|
Mai 1995
|
25.4
|
24.8
|
24.5
|
27.8
|
Mehefin 1995
|
25.2
|
24.7
|
24.2
|
27.7
|
Gorffennaf 1995
|
24.9
|
24.3
|
23.8
|
27.0
|
Awst 1995
|
25.4
|
24.7
|
24.2
|
27.4
|
Medi 1995
|
25.6
|
24.6
|
24.1
|
27.1
|
Hydref 1995
|
25.3
|
24.4
|
23.8
|
26.9
|
Tachwedd 1995
|
25.2
|
24.4
|
23.7
|
27.0
|
Rhagfyr 1995
|
25.0
|
24.2
|
23.6
|
26.9
|
Ionawr 1996
|
24.9
|
24.2
|
23.6
|
26.8
|
Chwefror 1996
|
24.3
|
23.7
|
23.1
|
26.1
|
Mawrth 1996
|
24.3
|
23.6
|
23.0
|
25.8
|
Ebrill 1996
|
25.1
|
24.4
|
23.8
|
26.7
|
Mai 1996
|
25.1
|
24.4
|
23.8
|
26.7
|
Mehefin 1996
|
25.0
|
24.3
|
23.8
|
26.9
|
Gorffennaf 1996
|
25.5
|
24.7
|
24.1
|
27.1
|
Awst 1996
|
26.7
|
25.7
|
25.0
|
28.0
|
Medi 1996
|
27.7
|
26.5
|
25.8
|
28.6
|
Hydref 1996
|
27.1
|
25.8
|
25.1
|
27.8
|
Tachwedd 1996
|
27.0
|
25.9
|
25.2
|
28.0
|
Rhagfyr 1996
|
26.8
|
25.8
|
25.1
|
27.9
|
Ionawr 1997
|
27.3
|
26.3
|
25.6
|
28.4
|
Chwefror 1997
|
27.8
|
26.7
|
25.9
|
28.7
|
Mawrth 1997
|
28.0
|
26.8
|
26.1
|
29.0
|
Ebrill 1997
|
28.3
|
27.2
|
26.5
|
29.5
|
Mai 1997
|
28.1
|
27.1
|
26.4
|
29.2
|
Mehefin 1997
|
28.9
|
27.7
|
26.9
|
29.5
|
Gorffennaf 1997
|
28.7
|
27.4
|
26.6
|
28.9
|
Awst 1997
|
29.4
|
27.9
|
27.1
|
29.3
|
Medi 1997
|
30.4
|
28.8
|
27.8
|
30.1
|
Hydref 1997
|
30.6
|
29.0
|
28.0
|
30.4
|
Tachwedd 1997
|
30.9
|
29.2
|
28.2
|
30.6
|
Rhagfyr 1997
|
30.8
|
29.3
|
28.2
|
30.8
|
Ionawr 1998
|
30.7
|
29.1
|
28.1
|
30.6
|
Chwefror 1998
|
31.0
|
29.5
|
28.4
|
31.3
|
Mawrth 1998
|
31.3
|
29.8
|
28.8
|
31.6
|
Ebrill 1998
|
32.8
|
31.4
|
30.3
|
33.2
|
Mai 1998
|
33.7
|
32.2
|
31.1
|
33.8
|
Mehefin 1998
|
34.1
|
32.5
|
31.4
|
34.4
|
Gorffennaf 1998
|
34.3
|
32.7
|
31.6
|
34.5
|
Awst 1998
|
34.7
|
32.7
|
31.6
|
34.4
|
Medi 1998
|
35.4
|
33.2
|
32.1
|
34.7
|
Hydref 1998
|
35.0
|
32.9
|
31.8
|
34.6
|
Tachwedd 1998
|
34.9
|
32.8
|
31.6
|
34.6
|
Rhagfyr 1998
|
33.6
|
31.8
|
30.7
|
33.9
|
Ionawr 1999
|
34.2
|
32.3
|
31.1
|
34.4
|
Chwefror 1999
|
34.3
|
32.4
|
31.1
|
34.6
|
Mawrth 1999
|
35.2
|
33.1
|
31.9
|
35.5
|
Ebrill 1999
|
36.2
|
34.2
|
33.0
|
36.6
|
Mai 1999
|
36.4
|
34.5
|
33.4
|
36.9
|
Mehefin 1999
|
36.6
|
34.7
|
33.6
|
37.0
|
Gorffennaf 1999
|
36.8
|
34.7
|
33.6
|
36.9
|
Awst 1999
|
37.9
|
35.4
|
34.4
|
37.6
|
Medi 1999
|
39.6
|
36.7
|
35.6
|
39.1
|
Hydref 1999
|
40.3
|
37.4
|
36.1
|
40.0
|
Tachwedd 1999
|
41.5
|
38.5
|
37.1
|
41.4
|
Rhagfyr 1999
|
41.6
|
39.0
|
37.6
|
42.0
|
Ionawr 2000
|
41.8
|
39.0
|
37.7
|
41.8
|
Chwefror 2000
|
42.0
|
39.2
|
37.9
|
41.9
|
Mawrth 2000
|
42.6
|
39.7
|
38.3
|
42.0
|
Ebrill 2000
|
43.7
|
40.9
|
39.6
|
43.6
|
Mai 2000
|
44.5
|
41.8
|
40.3
|
44.5
|
Mehefin 2000
|
44.9
|
42.2
|
40.7
|
45.2
|
Gorffennaf 2000
|
46.2
|
43.2
|
41.4
|
45.9
|
Awst 2000
|
46.4
|
43.1
|
41.2
|
46.0
|
Medi 2000
|
48.1
|
44.2
|
42.2
|
47.2
|
Hydref 2000
|
47.6
|
43.9
|
41.8
|
47.0
|
Tachwedd 2000
|
48.4
|
44.6
|
42.5
|
47.9
|
Rhagfyr 2000
|
47.2
|
43.7
|
41.7
|
47.3
|
Ionawr 2001
|
47.4
|
43.9
|
42.1
|
47.7
|
Chwefror 2001
|
46.6
|
43.3
|
41.6
|
47.0
|
Mawrth 2001
|
46.8
|
43.6
|
41.8
|
47.0
|
Ebrill 2001
|
48.0
|
44.6
|
42.8
|
48.2
|
Mai 2001
|
49.5
|
46.2
|
44.5
|
50.0
|
Mehefin 2001
|
50.9
|
47.7
|
46.0
|
52.0
|
Gorffennaf 2001
|
51.2
|
48.0
|
46.2
|
52.1
|
Awst 2001
|
52.1
|
48.6
|
46.8
|
53.0
|
Medi 2001
|
52.7
|
48.6
|
46.9
|
53.0
|
Hydref 2001
|
52.7
|
48.8
|
46.9
|
53.4
|
Tachwedd 2001
|
52.2
|
48.5
|
46.5
|
53.1
|
Rhagfyr 2001
|
52.3
|
49.1
|
47.1
|
54.3
|
Ionawr 2002
|
53.7
|
50.5
|
48.3
|
55.9
|
Chwefror 2002
|
54.3
|
51.2
|
49.2
|
56.9
|
Mawrth 2002
|
54.3
|
51.2
|
49.2
|
56.7
|
Ebrill 2002
|
54.0
|
51.1
|
49.3
|
57.0
|
Mai 2002
|
54.5
|
51.9
|
49.9
|
57.9
|
Mehefin 2002
|
55.1
|
52.6
|
50.8
|
59.0
|
Gorffennaf 2002
|
57.3
|
54.7
|
52.8
|
60.8
|
Awst 2002
|
58.5
|
55.6
|
53.8
|
61.9
|
Medi 2002
|
59.3
|
56.3
|
54.2
|
62.4
|
Hydref 2002
|
58.5
|
55.9
|
53.6
|
62.0
|
Tachwedd 2002
|
60.0
|
57.3
|
55.0
|
63.8
|
Rhagfyr 2002
|
61.5
|
59.1
|
56.7
|
66.2
|
Ionawr 2003
|
62.3
|
59.8
|
57.6
|
67.3
|
Chwefror 2003
|
61.8
|
59.9
|
57.6
|
67.4
|
Mawrth 2003
|
62.5
|
60.6
|
58.3
|
68.2
|
Ebrill 2003
|
62.5
|
61.2
|
58.8
|
68.7
|
Mai 2003
|
63.0
|
62.1
|
59.8
|
69.5
|
Mehefin 2003
|
62.8
|
61.9
|
59.7
|
69.5
|
Gorffennaf 2003
|
64.2
|
63.2
|
61.0
|
70.8
|
Awst 2003
|
65.2
|
64.1
|
61.8
|
71.8
|
Medi 2003
|
66.1
|
65.1
|
62.8
|
72.4
|
Hydref 2003
|
65.4
|
64.7
|
62.6
|
72.2
|
Tachwedd 2003
|
64.9
|
64.4
|
62.4
|
71.9
|
Rhagfyr 2003
|
65.4
|
65.4
|
63.5
|
73.5
|
Ionawr 2004
|
64.7
|
64.8
|
62.8
|
72.7
|
Chwefror 2004
|
64.9
|
65.0
|
63.3
|
73.1
|
Mawrth 2004
|
64.6
|
64.6
|
63.0
|
72.5
|
Ebrill 2004
|
67.0
|
67.6
|
66.3
|
76.0
|
Mai 2004
|
65.9
|
67.3
|
66.1
|
75.8
|
Mehefin 2004
|
66.2
|
68.1
|
67.1
|
77.0
|
Gorffennaf 2004
|
65.2
|
67.2
|
66.1
|
75.7
|
Awst 2004
|
67.6
|
69.4
|
68.1
|
78.1
|
Medi 2004
|
69.4
|
70.9
|
69.6
|
79.6
|
Hydref 2004
|
69.0
|
70.4
|
69.2
|
79.6
|
Tachwedd 2004
|
68.8
|
70.2
|
69.2
|
79.6
|
Rhagfyr 2004
|
67.6
|
69.3
|
68.6
|
79.0
|
Ionawr 2005
|
69.6
|
71.1
|
70.7
|
81.0
|
Chwefror 2005
|
68.8
|
70.3
|
69.9
|
80.0
|
Mawrth 2005
|
70.9
|
72.5
|
72.0
|
82.0
|
Ebrill 2005
|
70.9
|
73.1
|
72.5
|
82.5
|
Mai 2005
|
70.1
|
72.5
|
72.1
|
82.0
|
Mehefin 2005
|
67.3
|
69.8
|
69.6
|
78.9
|
Gorffennaf 2005
|
67.0
|
69.4
|
69.1
|
78.1
|
Awst 2005
|
69.2
|
71.4
|
71.2
|
80.2
|
Medi 2005
|
70.5
|
72.4
|
72.3
|
81.2
|
Hydref 2005
|
70.8
|
72.6
|
72.8
|
82.1
|
Tachwedd 2005
|
69.5
|
71.7
|
71.9
|
81.1
|
Rhagfyr 2005
|
69.2
|
71.8
|
72.1
|
81.7
|
Ionawr 2006
|
69.0
|
71.4
|
71.7
|
80.8
|
Chwefror 2006
|
69.3
|
71.6
|
72.1
|
81.4
|
Mawrth 2006
|
68.2
|
70.3
|
70.6
|
79.4
|
Ebrill 2006
|
68.8
|
71.4
|
71.7
|
80.6
|
Mai 2006
|
70.6
|
73.1
|
73.2
|
82.2
|
Mehefin 2006
|
72.8
|
75.3
|
75.5
|
84.8
|
Gorffennaf 2006
|
73.0
|
75.3
|
75.6
|
84.4
|
Awst 2006
|
73.0
|
75.3
|
75.7
|
84.0
|
Medi 2006
|
74.0
|
76.1
|
76.5
|
84.3
|
Hydref 2006
|
74.2
|
76.2
|
76.5
|
84.8
|
Tachwedd 2006
|
74.3
|
76.4
|
76.6
|
84.8
|
Rhagfyr 2006
|
73.2
|
75.5
|
75.9
|
84.3
|
Ionawr 2007
|
75.2
|
77.4
|
77.9
|
86.2
|
Chwefror 2007
|
75.7
|
77.8
|
78.3
|
87.1
|
Mawrth 2007
|
76.7
|
78.8
|
79.2
|
87.7
|
Ebrill 2007
|
76.4
|
78.5
|
79.2
|
87.5
|
Mai 2007
|
77.9
|
80.2
|
81.2
|
89.6
|
Mehefin 2007
|
79.1
|
81.5
|
82.5
|
91.3
|
Gorffennaf 2007
|
80.2
|
82.2
|
83.0
|
91.8
|
Awst 2007
|
81.0
|
82.6
|
83.3
|
91.3
|
Medi 2007
|
81.8
|
83.0
|
83.6
|
91.6
|
Hydref 2007
|
81.8
|
82.8
|
83.6
|
91.9
|
Tachwedd 2007
|
83.0
|
83.8
|
84.6
|
93.7
|
Rhagfyr 2007
|
85.1
|
86.3
|
87.1
|
96.7
|
Ionawr 2008
|
88.0
|
89.1
|
89.8
|
99.6
|
Chwefror 2008
|
87.9
|
89.0
|
89.6
|
99.4
|
Mawrth 2008
|
86.0
|
87.0
|
87.6
|
96.6
|
Ebrill 2008
|
82.9
|
84.0
|
84.8
|
92.9
|
Mai 2008
|
81.0
|
81.9
|
82.7
|
90.3
|
Mehefin 2008
|
79.4
|
80.0
|
80.7
|
88.2
|
Gorffennaf 2008
|
80.9
|
81.2
|
81.7
|
89.2
|
Awst 2008
|
80.2
|
80.1
|
80.5
|
88.0
|
Medi 2008
|
81.5
|
80.9
|
81.2
|
88.8
|
Hydref 2008
|
78.7
|
78.0
|
78.2
|
86.0
|
Tachwedd 2008
|
77.7
|
76.8
|
77.0
|
84.9
|
Rhagfyr 2008
|
74.5
|
74.0
|
74.4
|
81.7
|
Ionawr 2009
|
71.4
|
70.7
|
71.0
|
78.2
|
Chwefror 2009
|
68.5
|
68.0
|
68.4
|
75.6
|
Mawrth 2009
|
68.1
|
67.6
|
67.9
|
75.8
|
Ebrill 2009
|
67.5
|
67.9
|
68.4
|
75.9
|
Mai 2009
|
69.1
|
69.7
|
70.3
|
77.3
|
Mehefin 2009
|
69.0
|
69.9
|
70.5
|
76.6
|
Gorffennaf 2009
|
72.0
|
72.6
|
73.2
|
78.6
|
Awst 2009
|
74.5
|
74.8
|
75.3
|
80.2
|
Medi 2009
|
76.1
|
76.2
|
76.8
|
81.4
|
Hydref 2009
|
77.7
|
77.6
|
78.2
|
82.6
|
Tachwedd 2009
|
77.5
|
77.5
|
78.2
|
82.4
|
Rhagfyr 2009
|
77.0
|
77.6
|
78.3
|
81.9
|
Ionawr 2010
|
76.4
|
76.8
|
77.6
|
80.3
|
Chwefror 2010
|
77.9
|
78.3
|
78.8
|
81.1
|
Mawrth 2010
|
79.9
|
79.4
|
79.9
|
82.4
|
Ebrill 2010
|
79.5
|
79.2
|
79.7
|
82.4
|
Mai 2010
|
77.8
|
77.4
|
78.2
|
80.9
|
Mehefin 2010
|
77.2
|
77.0
|
77.8
|
80.1
|
Gorffennaf 2010
|
80.0
|
79.0
|
79.9
|
81.7
|
Awst 2010
|
83.3
|
82.2
|
82.7
|
84.2
|
Medi 2010
|
84.8
|
83.2
|
83.5
|
85.0
|
Hydref 2010
|
82.1
|
80.9
|
81.1
|
82.9
|
Tachwedd 2010
|
80.6
|
79.2
|
79.4
|
81.5
|
Rhagfyr 2010
|
78.8
|
77.7
|
77.8
|
80.1
|
Ionawr 2011
|
79.6
|
77.7
|
77.8
|
80.4
|
Chwefror 2011
|
79.0
|
76.5
|
76.8
|
79.5
|
Mawrth 2011
|
78.9
|
75.6
|
76.0
|
78.6
|
Ebrill 2011
|
79.2
|
76.3
|
76.7
|
79.3
|
Mai 2011
|
78.4
|
76.4
|
76.8
|
79.8
|
Mehefin 2011
|
80.7
|
79.7
|
80.2
|
83.2
|
Gorffennaf 2011
|
82.9
|
82.1
|
82.6
|
85.8
|
Awst 2011
|
83.8
|
82.7
|
83.0
|
85.3
|
Medi 2011
|
85.4
|
83.6
|
83.8
|
85.7
|
Hydref 2011
|
83.6
|
81.6
|
81.5
|
83.0
|
Tachwedd 2011
|
85.1
|
82.8
|
82.7
|
84.9
|
Rhagfyr 2011
|
82.6
|
81.1
|
80.8
|
83.3
|
Ionawr 2012
|
82.8
|
81.7
|
81.5
|
83.6
|
Chwefror 2012
|
81.2
|
80.2
|
80.0
|
81.4
|
Mawrth 2012
|
81.9
|
81.0
|
81.0
|
82.2
|
Ebrill 2012
|
81.5
|
80.5
|
80.7
|
82.3
|
Mai 2012
|
83.3
|
82.7
|
83.0
|
84.7
|
Mehefin 2012
|
84.4
|
83.6
|
84.3
|
85.5
|
Gorffennaf 2012
|
87.6
|
86.5
|
87.3
|
88.2
|
Awst 2012
|
89.4
|
88.3
|
89.1
|
89.4
|
Medi 2012
|
88.1
|
86.7
|
87.4
|
87.6
|
Hydref 2012
|
85.2
|
84.1
|
84.8
|
85.0
|
Tachwedd 2012
|
82.0
|
81.0
|
81.7
|
82.0
|
Rhagfyr 2012
|
83.6
|
82.6
|
83.2
|
83.5
|
Ionawr 2013
|
86.0
|
84.9
|
85.3
|
85.3
|
Chwefror 2013
|
87.9
|
86.6
|
86.9
|
87.0
|
Mawrth 2013
|
87.3
|
85.8
|
86.1
|
86.6
|
Ebrill 2013
|
85.7
|
84.1
|
84.6
|
85.1
|
Mai 2013
|
86.0
|
84.6
|
85.2
|
85.8
|
Mehefin 2013
|
87.3
|
86.1
|
86.7
|
87.0
|
Gorffennaf 2013
|
88.0
|
86.7
|
87.4
|
87.6
|
Awst 2013
|
87.5
|
86.3
|
87.0
|
86.8
|
Medi 2013
|
88.0
|
86.4
|
87.1
|
86.9
|
Hydref 2013
|
88.6
|
87.1
|
87.6
|
87.4
|
Tachwedd 2013
|
88.4
|
87.2
|
87.7
|
87.6
|
Rhagfyr 2013
|
86.9
|
86.5
|
86.8
|
87.2
|
Ionawr 2014
|
89.0
|
88.7
|
89.1
|
89.5
|
Chwefror 2014
|
90.0
|
89.6
|
90.0
|
90.3
|
Mawrth 2014
|
91.9
|
91.4
|
91.8
|
91.8
|
Ebrill 2014
|
91.2
|
90.8
|
91.3
|
91.1
|
Mai 2014
|
94.2
|
94.2
|
94.8
|
94.5
|
Mehefin 2014
|
94.5
|
94.7
|
95.4
|
95.0
|
Gorffennaf 2014
|
97.1
|
97.4
|
98.0
|
97.3
|
Awst 2014
|
96.6
|
96.8
|
97.2
|
96.2
|
Medi 2014
|
98.6
|
98.5
|
99.0
|
97.9
|
Hydref 2014
|
100.2
|
100.1
|
100.5
|
99.8
|
Tachwedd 2014
|
101.4
|
101.4
|
101.7
|
101.3
|
Rhagfyr 2014
|
101.4
|
101.4
|
101.6
|
101.5
|
Ionawr 2015
|
100.0
|
100.0
|
100.0
|
100.0
|
Chwefror 2015
|
100.3
|
99.8
|
100.0
|
100.1
|
Mawrth 2015
|
101.1
|
100.5
|
100.4
|
100.6
|
Ebrill 2015
|
100.3
|
99.8
|
99.9
|
99.8
|
Mai 2015
|
100.9
|
100.8
|
100.9
|
100.7
|
Mehefin 2015
|
103.8
|
104.1
|
104.4
|
103.4
|
Gorffennaf 2015
|
108.1
|
108.6
|
108.7
|
107.4
|
Awst 2015
|
109.6
|
110.1
|
110.3
|
108.6
|
Medi 2015
|
110.0
|
109.9
|
110.1
|
108.8
|
Hydref 2015
|
107.7
|
107.7
|
108.0
|
106.4
|
Tachwedd 2015
|
109.8
|
109.8
|
110.0
|
108.4
|
Rhagfyr 2015
|
109.8
|
110.1
|
110.2
|
108.5
|
Ionawr 2016
|
115.7
|
116.1
|
115.7
|
114.2
|
Chwefror 2016
|
116.0
|
116.4
|
115.8
|
114.3
|
Mawrth 2016
|
119.4
|
119.3
|
118.5
|
117.3
|
Ebrill 2016
|
115.9
|
116.0
|
115.7
|
114.4
|
Mai 2016
|
114.9
|
115.8
|
115.8
|
115.1
|
Mehefin 2016
|
112.8
|
114.3
|
114.9
|
114.0
|
Gorffennaf 2016
|
115.4
|
116.6
|
117.2
|
116.4
|
Awst 2016
|
116.5
|
117.2
|
117.8
|
116.7
|
Medi 2016
|
117.0
|
117.9
|
118.1
|
117.1
|
Hydref 2016
|
116.5
|
117.3
|
117.2
|
117.0
|
Tachwedd 2016
|
117.1
|
117.4
|
116.9
|
117.2
|
Rhagfyr 2016
|
118.4
|
118.5
|
118.0
|
118.8
|
Ionawr 2017
|
118.4
|
118.6
|
118.1
|
118.7
|
Chwefror 2017
|
117.1
|
117.5
|
117.1
|
118.4
|
Mawrth 2017
|
116.2
|
116.7
|
116.2
|
117.8
|
Ebrill 2017
|
116.5
|
116.7
|
116.2
|
118.3
|
Mai 2017
|
117.0
|
117.8
|
116.9
|
119.2
|
Mehefin 2017
|
118.2
|
119.3
|
118.6
|
121.1
|
Gorffennaf 2017
|
118.5
|
120.1
|
119.3
|
122.0
|
Awst 2017
|
121.0
|
122.1
|
121.8
|
123.7
|
Medi 2017
|
121.0
|
121.9
|
121.5
|
122.9
|
Hydref 2017
|
123.5
|
124.2
|
123.8
|
124.6
|
Tachwedd 2017
|
123.3
|
124.3
|
123.6
|
124.6
|
Rhagfyr 2017
|
123.2
|
124.6
|
123.7
|
124.7
|
Ionawr 2018
|
122.0
|
123.6
|
122.5
|
123.6
|
Chwefror 2018
|
123.7
|
125.1
|
124.0
|
124.9
|
Mawrth 2018
|
124.9
|
126.5
|
125.4
|
125.0
|
Ebrill 2018
|
122.8
|
124.7
|
123.8
|
122.2
|
Mai 2018
|
120.6
|
122.6
|
121.5
|
118.6
|
Mehefin 2018
|
120.4
|
122.2
|
121.1
|
118.4
|
Gorffennaf 2018
|
123.7
|
124.7
|
123.6
|
120.9
|
Awst 2018
|
125.1
|
126.0
|
125.0
|
122.8
|
Medi 2018
|
124.8
|
125.4
|
124.5
|
122.0
|
Hydref 2018
|
122.9
|
123.7
|
122.6
|
120.4
|
Tachwedd 2018
|
122.3
|
122.6
|
121.3
|
118.6
|
Rhagfyr 2018
|
120.5
|
121.2
|
119.7
|
117.4
|
Ionawr 2019
|
121.8
|
122.3
|
120.7
|
118.6
|
Chwefror 2019
|
123.0
|
123.8
|
122.1
|
120.8
|
Mawrth 2019
|
126.0
|
126.8
|
124.9
|
123.7
|
Ebrill 2019
|
124.5
|
125.7
|
124.1
|
122.2
|
Mai 2019
|
123.8
|
125.6
|
124.1
|
121.5
|
Mehefin 2019
|
122.7
|
124.5
|
123.2
|
120.3
|
Gorffennaf 2019
|
122.6
|
124.6
|
123.3
|
120.6
|
Awst 2019
|
122.1
|
123.6
|
122.2
|
119.3
|
Medi 2019
|
121.8
|
122.9
|
122.0
|
118.9
|
Hydref 2019
|
123.2
|
124.2
|
123.0
|
119.8
|
Tachwedd 2019
|
124.0
|
125.2
|
123.5
|
120.7
|
Rhagfyr 2019
|
123.5
|
125.1
|
123.2
|
120.0
|
Ionawr 2020
|
125.2
|
127.0
|
125.2
|
121.6
|
Chwefror 2020
|
125.6
|
127.0
|
125.6
|
121.3
|
Mawrth 2020
|
126.3
|
127.6
|
126.0
|
121.7
|
Ebrill 2020
|
127.0
|
127.4
|
126.0
|
120.6
|
Mai 2020
|
126.3
|
127.1
|
125.5
|
120.8
|
Mehefin 2020
|
128.9
|
130.1
|
128.7
|
123.0
|
Gorffennaf 2020
|
126.9
|
128.7
|
127.2
|
122.1
|
Awst 2020
|
129.2
|
130.6
|
129.3
|
122.9
|
Medi 2020
|
129.6
|
130.2
|
128.7
|
122.2
|
Hydref 2020
|
131.9
|
132.1
|
130.8
|
123.2
|
Tachwedd 2020
|
131.8
|
131.7
|
130.7
|
122.7
|
Rhagfyr 2020
|
130.5
|
130.3
|
129.7
|
121.3
|
Ionawr 2021
|
127.0
|
127.4
|
127.1
|
119.3
|
Chwefror 2021
|
127.1
|
128.4
|
128.5
|
121.1
|
Mawrth 2021
|
128.2
|
130.4
|
130.9
|
124.3
|
Ebrill 2021
|
129.5
|
131.8
|
132.4
|
125.8
|
Mai 2021
|
130.0
|
132.1
|
132.7
|
126.0
|
Mehefin 2021
|
130.9
|
132.9
|
134.2
|
126.6
|
Gorffennaf 2021
|
132.2
|
133.5
|
134.3
|
126.7
|
Awst 2021
|
133.5
|
133.9
|
134.2
|
125.7
|
Medi 2021
|
135.2
|
135.2
|
134.7
|
125.9
|
Hydref 2021
|
138.2
|
137.5
|
136.6
|
126.9
|
Tachwedd 2021
|
138.2
|
137.5
|
136.5
|
127.0
|
Rhagfyr 2021
|
139.8
|
138.5
|
137.1
|
127.0
|
Ionawr 2022
|
140.4
|
139.8
|
138.3
|
127.5
|
Chwefror 2022
|
140.6
|
140.4
|
139.0
|
127.9
|
Mawrth 2022
|
138.1
|
138.0
|
136.3
|
125.3
|
Ebrill 2022
|
138.3
|
138.4
|
137.3
|
125.9
|
Mai 2022
|
141.0
|
141.2
|
140.3
|
127.5
|
Mehefin 2022
|
145.3
|
145.8
|
145.2
|
132.0
|
Gorffennaf 2022
|
146.3
|
147.1
|
146.2
|
132.3
|
Awst 2022
|
149.0
|
149.9
|
149.1
|
134.4
|
Medi 2022
|
148.5
|
149.2
|
148.4
|
132.5
|
Hydref 2022
|
152.0
|
152.8
|
151.8
|
135.5
|
Tachwedd 2022
|
151.0
|
151.6
|
150.5
|
134.3
|
Rhagfyr 2022
|
151.3
|
152.5
|
151.2
|
135.2
|
Ionawr 2023
|
150.6
|
151.5
|
150.1
|
134.5
|
Chwefror 2023
|
152.3
|
153.0
|
151.4
|
135.9
|
Mawrth 2023
|
152.4
|
152.5
|
150.4
|
135.5
|
Ebrill 2023
|
150.5
|
150.4
|
148.2
|
133.9
|
Mai 2023
|
147.3
|
147.5
|
145.4
|
132.0
|
Mehefin 2023
|
148.5
|
148.5
|
146.9
|
133.1
|
Gorffennaf 2023
|
148.2
|
148.6
|
147.1
|
132.3
|
Awst 2023
|
149.5
|
149.5
|
148.0
|
131.8
|
Medi 2023
|
148.5
|
148.9
|
147.3
|
130.4
|
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
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
|
281087.0
|
Chwefror 2012
|
276014.0
|
Mawrth 2012
|
279657.0
|
Ebrill 2012
|
278754.0
|
Mai 2012
|
286053.0
|
Mehefin 2012
|
289802.0
|
Gorffennaf 2012
|
299918.0
|
Awst 2012
|
305613.0
|
Medi 2012
|
300116.0
|
Hydref 2012
|
290793.0
|
Tachwedd 2012
|
280191.0
|
Rhagfyr 2012
|
285631.0
|
Ionawr 2013
|
292988.0
|
Chwefror 2013
|
299000.0
|
Mawrth 2013
|
296907.0
|
Ebrill 2013
|
291539.0
|
Mai 2013
|
293291.0
|
Mehefin 2013
|
297865.0
|
Gorffennaf 2013
|
300206.0
|
Awst 2013
|
298454.0
|
Medi 2013
|
299206.0
|
Hydref 2013
|
301242.0
|
Tachwedd 2013
|
301461.0
|
Rhagfyr 2013
|
298416.0
|
Ionawr 2014
|
306093.0
|
Chwefror 2014
|
309128.0
|
Mawrth 2014
|
315137.0
|
Ebrill 2014
|
312946.0
|
Mai 2014
|
324297.0
|
Mehefin 2014
|
325845.0
|
Gorffennaf 2014
|
334428.0
|
Awst 2014
|
331893.0
|
Medi 2014
|
338078.0
|
Hydref 2014
|
343841.0
|
Tachwedd 2014
|
348288.0
|
Rhagfyr 2014
|
348350.0
|
Ionawr 2015
|
343386.0
|
Chwefror 2015
|
343883.0
|
Mawrth 2015
|
346003.0
|
Ebrill 2015
|
343692.0
|
Mai 2015
|
346428.0
|
Mehefin 2015
|
356742.0
|
Gorffennaf 2015
|
371351.0
|
Awst 2015
|
376344.0
|
Medi 2015
|
376862.0
|
Hydref 2015
|
369165.0
|
Tachwedd 2015
|
376226.0
|
Rhagfyr 2015
|
376588.0
|
Ionawr 2016
|
396511.0
|
Chwefror 2016
|
397293.0
|
Mawrth 2016
|
407571.0
|
Ebrill 2016
|
396719.0
|
Mai 2016
|
396208.0
|
Mehefin 2016
|
391400.0
|
Gorffennaf 2016
|
399667.0
|
Awst 2016
|
401893.0
|
Medi 2016
|
403519.0
|
Hydref 2016
|
401669.0
|
Tachwedd 2016
|
402521.0
|
Rhagfyr 2016
|
406800.0
|
Ionawr 2017
|
406769.0
|
Chwefror 2017
|
403298.0
|
Mawrth 2017
|
400533.0
|
Ebrill 2017
|
401085.0
|
Mai 2017
|
403601.0
|
Mehefin 2017
|
408962.0
|
Gorffennaf 2017
|
411281.0
|
Awst 2017
|
418893.0
|
Medi 2017
|
417742.0
|
Hydref 2017
|
425469.0
|
Tachwedd 2017
|
425019.0
|
Rhagfyr 2017
|
425173.0
|
Ionawr 2018
|
421416.0
|
Chwefror 2018
|
426621.0
|
Mawrth 2018
|
429793.0
|
Ebrill 2018
|
422624.0
|
Mai 2018
|
413421.0
|
Mehefin 2018
|
412506.0
|
Gorffennaf 2018
|
421839.0
|
Awst 2018
|
427182.0
|
Medi 2018
|
425372.0
|
Hydref 2018
|
419134.0
|
Tachwedd 2018
|
414889.0
|
Rhagfyr 2018
|
409777.0
|
Ionawr 2019
|
413747.0
|
Chwefror 2019
|
419305.0
|
Mawrth 2019
|
429328.0
|
Ebrill 2019
|
424892.0
|
Mai 2019
|
423520.0
|
Mehefin 2019
|
419826.0
|
Gorffennaf 2019
|
420190.0
|
Awst 2019
|
416909.0
|
Medi 2019
|
415634.0
|
Hydref 2019
|
419673.0
|
Tachwedd 2019
|
422505.0
|
Rhagfyr 2019
|
421106.0
|
Ionawr 2020
|
427077.0
|
Chwefror 2020
|
427438.0
|
Mawrth 2020
|
428901.0
|
Ebrill 2020
|
428551.0
|
Mai 2020
|
427343.0
|
Mehefin 2020
|
436787.0
|
Gorffennaf 2020
|
431676.0
|
Awst 2020
|
437884.0
|
Medi 2020
|
436756.0
|
Hydref 2020
|
443289.0
|
Tachwedd 2020
|
442576.0
|
Rhagfyr 2020
|
438303.0
|
Ionawr 2021
|
428702.0
|
Chwefror 2021
|
431856.0
|
Mawrth 2021
|
438578.0
|
Ebrill 2021
|
443048.0
|
Mai 2021
|
444173.0
|
Mehefin 2021
|
447788.0
|
Gorffennaf 2021
|
450397.0
|
Awst 2021
|
452061.0
|
Medi 2021
|
455804.0
|
Hydref 2021
|
463336.0
|
Tachwedd 2021
|
463117.0
|
Rhagfyr 2021
|
465966.0
|
Ionawr 2022
|
468886.0
|
Chwefror 2022
|
470534.0
|
Mawrth 2022
|
461736.0
|
Ebrill 2022
|
463411.0
|
Mai 2022
|
472030.0
|
Mehefin 2022
|
487332.0
|
Gorffennaf 2022
|
490569.0
|
Awst 2022
|
499509.0
|
Medi 2022
|
496721.0
|
Hydref 2022
|
508417.0
|
Tachwedd 2022
|
504494.0
|
Rhagfyr 2022
|
506468.0
|
Ionawr 2023
|
503761.0
|
Chwefror 2023
|
508784.0
|
Mawrth 2023
|
507437.0
|
Ebrill 2023
|
500706.0
|
Mai 2023
|
491152.0
|
Mehefin 2023
|
495311.0
|
Gorffennaf 2023
|
494655.0
|
Awst 2023
|
497252.0
|
Medi 2023
|
494040.0
|
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
|
4.2
|
Chwefror 2013
|
8.3
|
Mawrth 2013
|
6.2
|
Ebrill 2013
|
4.6
|
Mai 2013
|
2.5
|
Mehefin 2013
|
2.8
|
Gorffennaf 2013
|
0.1
|
Awst 2013
|
-2.3
|
Medi 2013
|
-0.3
|
Hydref 2013
|
3.6
|
Tachwedd 2013
|
7.6
|
Rhagfyr 2013
|
4.5
|
Ionawr 2014
|
4.5
|
Chwefror 2014
|
3.4
|
Mawrth 2014
|
6.1
|
Ebrill 2014
|
7.3
|
Mai 2014
|
10.6
|
Mehefin 2014
|
9.4
|
Gorffennaf 2014
|
11.4
|
Awst 2014
|
11.2
|
Medi 2014
|
13.0
|
Hydref 2014
|
14.1
|
Tachwedd 2014
|
15.5
|
Rhagfyr 2014
|
16.7
|
Ionawr 2015
|
12.2
|
Chwefror 2015
|
11.2
|
Mawrth 2015
|
9.8
|
Ebrill 2015
|
9.8
|
Mai 2015
|
6.8
|
Mehefin 2015
|
9.5
|
Gorffennaf 2015
|
11.0
|
Awst 2015
|
13.4
|
Medi 2015
|
11.5
|
Hydref 2015
|
7.4
|
Tachwedd 2015
|
8.0
|
Rhagfyr 2015
|
8.1
|
Ionawr 2016
|
15.5
|
Chwefror 2016
|
15.5
|
Mawrth 2016
|
17.8
|
Ebrill 2016
|
15.4
|
Mai 2016
|
14.4
|
Mehefin 2016
|
9.7
|
Gorffennaf 2016
|
7.6
|
Awst 2016
|
6.8
|
Medi 2016
|
7.1
|
Hydref 2016
|
8.8
|
Tachwedd 2016
|
7.0
|
Rhagfyr 2016
|
8.0
|
Ionawr 2017
|
2.6
|
Chwefror 2017
|
1.5
|
Mawrth 2017
|
-1.7
|
Ebrill 2017
|
1.4
|
Mai 2017
|
2.7
|
Mehefin 2017
|
4.5
|
Gorffennaf 2017
|
2.9
|
Awst 2017
|
4.2
|
Medi 2017
|
3.5
|
Hydref 2017
|
5.9
|
Tachwedd 2017
|
5.6
|
Rhagfyr 2017
|
4.5
|
Ionawr 2018
|
3.6
|
Chwefror 2018
|
5.8
|
Mawrth 2018
|
7.3
|
Ebrill 2018
|
5.4
|
Mai 2018
|
2.4
|
Mehefin 2018
|
0.9
|
Gorffennaf 2018
|
2.6
|
Awst 2018
|
2.0
|
Medi 2018
|
1.8
|
Hydref 2018
|
-1.5
|
Tachwedd 2018
|
-2.4
|
Rhagfyr 2018
|
-3.6
|
Ionawr 2019
|
-1.8
|
Chwefror 2019
|
-1.7
|
Mawrth 2019
|
-0.1
|
Ebrill 2019
|
0.5
|
Mai 2019
|
2.4
|
Mehefin 2019
|
1.8
|
Gorffennaf 2019
|
-0.4
|
Awst 2019
|
-2.4
|
Medi 2019
|
-2.3
|
Hydref 2019
|
0.1
|
Tachwedd 2019
|
1.8
|
Rhagfyr 2019
|
2.8
|
Ionawr 2020
|
3.2
|
Chwefror 2020
|
1.9
|
Mawrth 2020
|
-0.1
|
Ebrill 2020
|
0.9
|
Mai 2020
|
0.9
|
Mehefin 2020
|
4.0
|
Gorffennaf 2020
|
2.7
|
Awst 2020
|
5.0
|
Medi 2020
|
5.1
|
Hydref 2020
|
5.6
|
Tachwedd 2020
|
4.8
|
Rhagfyr 2020
|
4.1
|
Ionawr 2021
|
0.4
|
Chwefror 2021
|
1.0
|
Mawrth 2021
|
2.3
|
Ebrill 2021
|
3.4
|
Mai 2021
|
3.9
|
Mehefin 2021
|
2.5
|
Gorffennaf 2021
|
4.3
|
Awst 2021
|
3.2
|
Medi 2021
|
4.4
|
Hydref 2021
|
4.5
|
Tachwedd 2021
|
4.6
|
Rhagfyr 2021
|
6.3
|
Ionawr 2022
|
9.4
|
Chwefror 2022
|
9.0
|
Mawrth 2022
|
5.3
|
Ebrill 2022
|
4.6
|
Mai 2022
|
6.3
|
Mehefin 2022
|
8.8
|
Gorffennaf 2022
|
8.9
|
Awst 2022
|
10.5
|
Medi 2022
|
9.0
|
Hydref 2022
|
9.7
|
Tachwedd 2022
|
8.9
|
Rhagfyr 2022
|
8.7
|
Ionawr 2023
|
7.4
|
Chwefror 2023
|
8.1
|
Mawrth 2023
|
9.9
|
Ebrill 2023
|
8.0
|
Mai 2023
|
4.1
|
Mehefin 2023
|
1.6
|
Gorffennaf 2023
|
0.8
|
Awst 2023
|
-0.5
|
Medi 2023
|
-0.5
|
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
|
-1.8
|
Mawrth 2012
|
1.3
|
Ebrill 2012
|
-0.3
|
Mai 2012
|
2.6
|
Mehefin 2012
|
1.3
|
Gorffennaf 2012
|
3.5
|
Awst 2012
|
1.9
|
Medi 2012
|
-1.8
|
Hydref 2012
|
-3.1
|
Tachwedd 2012
|
-3.6
|
Rhagfyr 2012
|
1.9
|
Ionawr 2013
|
2.6
|
Chwefror 2013
|
2.0
|
Mawrth 2013
|
-0.7
|
Ebrill 2013
|
-1.8
|
Mai 2013
|
0.6
|
Mehefin 2013
|
1.6
|
Gorffennaf 2013
|
0.8
|
Awst 2013
|
-0.6
|
Medi 2013
|
0.2
|
Hydref 2013
|
0.7
|
Tachwedd 2013
|
0.1
|
Rhagfyr 2013
|
-1.0
|
Ionawr 2014
|
2.6
|
Chwefror 2014
|
1.0
|
Mawrth 2014
|
1.9
|
Ebrill 2014
|
-0.7
|
Mai 2014
|
3.6
|
Mehefin 2014
|
0.5
|
Gorffennaf 2014
|
2.6
|
Awst 2014
|
-0.8
|
Medi 2014
|
1.9
|
Hydref 2014
|
1.7
|
Tachwedd 2014
|
1.3
|
Rhagfyr 2014
|
0.0
|
Ionawr 2015
|
-1.4
|
Chwefror 2015
|
0.1
|
Mawrth 2015
|
0.6
|
Ebrill 2015
|
-0.7
|
Mai 2015
|
0.8
|
Mehefin 2015
|
3.0
|
Gorffennaf 2015
|
4.1
|
Awst 2015
|
1.3
|
Medi 2015
|
0.1
|
Hydref 2015
|
-2.0
|
Tachwedd 2015
|
1.9
|
Rhagfyr 2015
|
0.1
|
Ionawr 2016
|
5.3
|
Chwefror 2016
|
0.2
|
Mawrth 2016
|
2.6
|
Ebrill 2016
|
-2.7
|
Mai 2016
|
-0.1
|
Mehefin 2016
|
-1.2
|
Gorffennaf 2016
|
2.1
|
Awst 2016
|
0.6
|
Medi 2016
|
0.4
|
Hydref 2016
|
-0.5
|
Tachwedd 2016
|
0.2
|
Rhagfyr 2016
|
1.1
|
Ionawr 2017
|
-0.0
|
Chwefror 2017
|
-0.8
|
Mawrth 2017
|
-0.7
|
Ebrill 2017
|
0.1
|
Mai 2017
|
0.6
|
Mehefin 2017
|
1.3
|
Gorffennaf 2017
|
0.6
|
Awst 2017
|
1.8
|
Medi 2017
|
-0.3
|
Hydref 2017
|
1.8
|
Tachwedd 2017
|
-0.1
|
Rhagfyr 2017
|
0.0
|
Ionawr 2018
|
-0.9
|
Chwefror 2018
|
1.2
|
Mawrth 2018
|
0.7
|
Ebrill 2018
|
-1.7
|
Mai 2018
|
-2.2
|
Mehefin 2018
|
-0.2
|
Gorffennaf 2018
|
2.3
|
Awst 2018
|
1.3
|
Medi 2018
|
-0.4
|
Hydref 2018
|
-1.5
|
Tachwedd 2018
|
-1.0
|
Rhagfyr 2018
|
-1.2
|
Ionawr 2019
|
1.0
|
Chwefror 2019
|
1.3
|
Mawrth 2019
|
2.4
|
Ebrill 2019
|
-1.0
|
Mai 2019
|
-0.3
|
Mehefin 2019
|
-0.9
|
Gorffennaf 2019
|
0.1
|
Awst 2019
|
-0.8
|
Medi 2019
|
-0.3
|
Hydref 2019
|
1.0
|
Tachwedd 2019
|
0.7
|
Rhagfyr 2019
|
-0.3
|
Ionawr 2020
|
1.4
|
Chwefror 2020
|
0.1
|
Mawrth 2020
|
0.3
|
Ebrill 2020
|
-0.1
|
Mai 2020
|
-0.3
|
Mehefin 2020
|
2.2
|
Gorffennaf 2020
|
-1.2
|
Awst 2020
|
1.4
|
Medi 2020
|
-0.3
|
Hydref 2020
|
1.5
|
Tachwedd 2020
|
-0.2
|
Rhagfyr 2020
|
-1.0
|
Ionawr 2021
|
-2.2
|
Chwefror 2021
|
0.7
|
Mawrth 2021
|
1.6
|
Ebrill 2021
|
1.0
|
Mai 2021
|
0.3
|
Mehefin 2021
|
0.8
|
Gorffennaf 2021
|
0.6
|
Awst 2021
|
0.4
|
Medi 2021
|
0.8
|
Hydref 2021
|
1.7
|
Tachwedd 2021
|
0.0
|
Rhagfyr 2021
|
0.6
|
Ionawr 2022
|
0.6
|
Chwefror 2022
|
0.4
|
Mawrth 2022
|
-1.9
|
Ebrill 2022
|
0.4
|
Mai 2022
|
1.9
|
Mehefin 2022
|
3.2
|
Gorffennaf 2022
|
0.7
|
Awst 2022
|
1.8
|
Medi 2022
|
-0.6
|
Hydref 2022
|
2.4
|
Tachwedd 2022
|
-0.8
|
Rhagfyr 2022
|
0.4
|
Ionawr 2023
|
-0.5
|
Chwefror 2023
|
1.0
|
Mawrth 2023
|
-0.3
|
Ebrill 2023
|
-1.3
|
Mai 2023
|
-1.9
|
Mehefin 2023
|
0.8
|
Gorffennaf 2023
|
-0.1
|
Awst 2023
|
0.5
|
Medi 2023
|
-0.6
|
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
|
81.9
|
Chwefror 2012
|
80.4
|
Mawrth 2012
|
81.4
|
Ebrill 2012
|
81.2
|
Mai 2012
|
83.3
|
Mehefin 2012
|
84.4
|
Gorffennaf 2012
|
87.3
|
Awst 2012
|
89.0
|
Medi 2012
|
87.4
|
Hydref 2012
|
84.7
|
Tachwedd 2012
|
81.6
|
Rhagfyr 2012
|
83.2
|
Ionawr 2013
|
85.3
|
Chwefror 2013
|
87.1
|
Mawrth 2013
|
86.5
|
Ebrill 2013
|
84.9
|
Mai 2013
|
85.4
|
Mehefin 2013
|
86.7
|
Gorffennaf 2013
|
87.4
|
Awst 2013
|
86.9
|
Medi 2013
|
87.1
|
Hydref 2013
|
87.7
|
Tachwedd 2013
|
87.8
|
Rhagfyr 2013
|
86.9
|
Ionawr 2014
|
89.1
|
Chwefror 2014
|
90.0
|
Mawrth 2014
|
91.8
|
Ebrill 2014
|
91.1
|
Mai 2014
|
94.4
|
Mehefin 2014
|
94.9
|
Gorffennaf 2014
|
97.4
|
Awst 2014
|
96.6
|
Medi 2014
|
98.4
|
Hydref 2014
|
100.1
|
Tachwedd 2014
|
101.4
|
Rhagfyr 2014
|
101.4
|
Ionawr 2015
|
100.0
|
Chwefror 2015
|
100.1
|
Mawrth 2015
|
100.8
|
Ebrill 2015
|
100.1
|
Mai 2015
|
100.9
|
Mehefin 2015
|
103.9
|
Gorffennaf 2015
|
108.1
|
Awst 2015
|
109.6
|
Medi 2015
|
109.8
|
Hydref 2015
|
107.5
|
Tachwedd 2015
|
109.6
|
Rhagfyr 2015
|
109.7
|
Ionawr 2016
|
115.5
|
Chwefror 2016
|
115.7
|
Mawrth 2016
|
118.7
|
Ebrill 2016
|
115.5
|
Mai 2016
|
115.4
|
Mehefin 2016
|
114.0
|
Gorffennaf 2016
|
116.4
|
Awst 2016
|
117.0
|
Medi 2016
|
117.5
|
Hydref 2016
|
117.0
|
Tachwedd 2016
|
117.2
|
Rhagfyr 2016
|
118.5
|
Ionawr 2017
|
118.5
|
Chwefror 2017
|
117.4
|
Mawrth 2017
|
116.6
|
Ebrill 2017
|
116.8
|
Mai 2017
|
117.5
|
Mehefin 2017
|
119.1
|
Gorffennaf 2017
|
119.8
|
Awst 2017
|
122.0
|
Medi 2017
|
121.6
|
Hydref 2017
|
123.9
|
Tachwedd 2017
|
123.8
|
Rhagfyr 2017
|
123.8
|
Ionawr 2018
|
122.7
|
Chwefror 2018
|
124.2
|
Mawrth 2018
|
125.2
|
Ebrill 2018
|
123.1
|
Mai 2018
|
120.4
|
Mehefin 2018
|
120.1
|
Gorffennaf 2018
|
122.8
|
Awst 2018
|
124.4
|
Medi 2018
|
123.9
|
Hydref 2018
|
122.1
|
Tachwedd 2018
|
120.8
|
Rhagfyr 2018
|
119.3
|
Ionawr 2019
|
120.5
|
Chwefror 2019
|
122.1
|
Mawrth 2019
|
125.0
|
Ebrill 2019
|
123.7
|
Mai 2019
|
123.3
|
Mehefin 2019
|
122.3
|
Gorffennaf 2019
|
122.4
|
Awst 2019
|
121.4
|
Medi 2019
|
121.0
|
Hydref 2019
|
122.2
|
Tachwedd 2019
|
123.0
|
Rhagfyr 2019
|
122.6
|
Ionawr 2020
|
124.4
|
Chwefror 2020
|
124.5
|
Mawrth 2020
|
124.9
|
Ebrill 2020
|
124.8
|
Mai 2020
|
124.4
|
Mehefin 2020
|
127.2
|
Gorffennaf 2020
|
125.7
|
Awst 2020
|
127.5
|
Medi 2020
|
127.2
|
Hydref 2020
|
129.1
|
Tachwedd 2020
|
128.9
|
Rhagfyr 2020
|
127.6
|
Ionawr 2021
|
124.8
|
Chwefror 2021
|
125.8
|
Mawrth 2021
|
127.7
|
Ebrill 2021
|
129.0
|
Mai 2021
|
129.4
|
Mehefin 2021
|
130.4
|
Gorffennaf 2021
|
131.2
|
Awst 2021
|
131.6
|
Medi 2021
|
132.7
|
Hydref 2021
|
134.9
|
Tachwedd 2021
|
134.9
|
Rhagfyr 2021
|
135.7
|
Ionawr 2022
|
136.5
|
Chwefror 2022
|
137.0
|
Mawrth 2022
|
134.5
|
Ebrill 2022
|
135.0
|
Mai 2022
|
137.5
|
Mehefin 2022
|
141.9
|
Gorffennaf 2022
|
142.9
|
Awst 2022
|
145.5
|
Medi 2022
|
144.7
|
Hydref 2022
|
148.1
|
Tachwedd 2022
|
146.9
|
Rhagfyr 2022
|
147.5
|
Ionawr 2023
|
146.7
|
Chwefror 2023
|
148.2
|
Mawrth 2023
|
147.8
|
Ebrill 2023
|
145.8
|
Mai 2023
|
143.0
|
Mehefin 2023
|
144.2
|
Gorffennaf 2023
|
144.1
|
Awst 2023
|
144.8
|
Medi 2023
|
143.9
|
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
|
Adeilad newydd
|
Ionawr 1995
|
86827.0
|
Chwefror 1995
|
81391.0
|
Mawrth 1995
|
81925.0
|
Ebrill 1995
|
81523.0
|
Mai 1995
|
82718.0
|
Mehefin 1995
|
82480.0
|
Gorffennaf 1995
|
81170.0
|
Awst 1995
|
82480.0
|
Medi 1995
|
82042.0
|
Hydref 1995
|
81725.0
|
Tachwedd 1995
|
82089.0
|
Rhagfyr 1995
|
82313.0
|
Ionawr 1996
|
82299.0
|
Chwefror 1996
|
81042.0
|
Mawrth 1996
|
81083.0
|
Ebrill 1996
|
83910.0
|
Mai 1996
|
83409.0
|
Mehefin 1996
|
83059.0
|
Gorffennaf 1996
|
83811.0
|
Awst 1996
|
87134.0
|
Medi 1996
|
89249.0
|
Hydref 1996
|
86855.0
|
Tachwedd 1996
|
87124.0
|
Rhagfyr 1996
|
86949.0
|
Ionawr 1997
|
88197.0
|
Chwefror 1997
|
89334.0
|
Mawrth 1997
|
90180.0
|
Ebrill 1997
|
91820.0
|
Mai 1997
|
90789.0
|
Mehefin 1997
|
91918.0
|
Gorffennaf 1997
|
90366.0
|
Awst 1997
|
91673.0
|
Medi 1997
|
94215.0
|
Hydref 1997
|
95039.0
|
Tachwedd 1997
|
95779.0
|
Rhagfyr 1997
|
96361.0
|
Ionawr 1998
|
96369.0
|
Chwefror 1998
|
99139.0
|
Mawrth 1998
|
100673.0
|
Ebrill 1998
|
105690.0
|
Mai 1998
|
107229.0
|
Mehefin 1998
|
108126.0
|
Gorffennaf 1998
|
108648.0
|
Awst 1998
|
109037.0
|
Medi 1998
|
110081.0
|
Hydref 1998
|
109009.0
|
Tachwedd 1998
|
109089.0
|
Rhagfyr 1998
|
107153.0
|
Ionawr 1999
|
109609.0
|
Chwefror 1999
|
110163.0
|
Mawrth 1999
|
112295.0
|
Ebrill 1999
|
114827.0
|
Mai 1999
|
115377.0
|
Mehefin 1999
|
116057.0
|
Gorffennaf 1999
|
116481.0
|
Awst 1999
|
118701.0
|
Medi 1999
|
122858.0
|
Hydref 1999
|
124822.0
|
Tachwedd 1999
|
128598.0
|
Rhagfyr 1999
|
130590.0
|
Ionawr 2000
|
130745.0
|
Chwefror 2000
|
131614.0
|
Mawrth 2000
|
132758.0
|
Ebrill 2000
|
137095.0
|
Mai 2000
|
139700.0
|
Mehefin 2000
|
140939.0
|
Gorffennaf 2000
|
143771.0
|
Awst 2000
|
144106.0
|
Medi 2000
|
148294.0
|
Hydref 2000
|
147623.0
|
Tachwedd 2000
|
150724.0
|
Rhagfyr 2000
|
148920.0
|
Ionawr 2001
|
151098.0
|
Chwefror 2001
|
149851.0
|
Mawrth 2001
|
150170.0
|
Ebrill 2001
|
153754.0
|
Mai 2001
|
157096.0
|
Mehefin 2001
|
162159.0
|
Gorffennaf 2001
|
161944.0
|
Awst 2001
|
165500.0
|
Medi 2001
|
166919.0
|
Hydref 2001
|
168334.0
|
Tachwedd 2001
|
167102.0
|
Rhagfyr 2001
|
169550.0
|
Ionawr 2002
|
174769.0
|
Chwefror 2002
|
179188.0
|
Mawrth 2002
|
178690.0
|
Ebrill 2002
|
178479.0
|
Mai 2002
|
178427.0
|
Mehefin 2002
|
180484.0
|
Gorffennaf 2002
|
185066.0
|
Awst 2002
|
188339.0
|
Medi 2002
|
189149.0
|
Hydref 2002
|
187458.0
|
Tachwedd 2002
|
191320.0
|
Rhagfyr 2002
|
197127.0
|
Ionawr 2003
|
198615.0
|
Chwefror 2003
|
198707.0
|
Mawrth 2003
|
201547.0
|
Ebrill 2003
|
203495.0
|
Mai 2003
|
205100.0
|
Mehefin 2003
|
204430.0
|
Gorffennaf 2003
|
208893.0
|
Awst 2003
|
212215.0
|
Medi 2003
|
213731.0
|
Hydref 2003
|
211955.0
|
Tachwedd 2003
|
210395.0
|
Rhagfyr 2003
|
214286.0
|
Ionawr 2004
|
212569.0
|
Chwefror 2004
|
215731.0
|
Mawrth 2004
|
214589.0
|
Ebrill 2004
|
222346.0
|
Mai 2004
|
218797.0
|
Mehefin 2004
|
221101.0
|
Gorffennaf 2004
|
217040.0
|
Awst 2004
|
223125.0
|
Medi 2004
|
226987.0
|
Hydref 2004
|
226950.0
|
Tachwedd 2004
|
228009.0
|
Rhagfyr 2004
|
227406.0
|
Ionawr 2005
|
236462.0
|
Chwefror 2005
|
236724.0
|
Mawrth 2005
|
245085.0
|
Ebrill 2005
|
247901.0
|
Mai 2005
|
245194.0
|
Mehefin 2005
|
235702.0
|
Gorffennaf 2005
|
232409.0
|
Awst 2005
|
238956.0
|
Medi 2005
|
242564.0
|
Hydref 2005
|
244893.0
|
Tachwedd 2005
|
242289.0
|
Rhagfyr 2005
|
243545.0
|
Ionawr 2006
|
242206.0
|
Chwefror 2006
|
245201.0
|
Mawrth 2006
|
241291.0
|
Ebrill 2006
|
245199.0
|
Mai 2006
|
249814.0
|
Mehefin 2006
|
256165.0
|
Gorffennaf 2006
|
254268.0
|
Awst 2006
|
251385.0
|
Medi 2006
|
252530.0
|
Hydref 2006
|
253107.0
|
Tachwedd 2006
|
253354.0
|
Rhagfyr 2006
|
250811.0
|
Ionawr 2007
|
257377.0
|
Chwefror 2007
|
259975.0
|
Mawrth 2007
|
261983.0
|
Ebrill 2007
|
260169.0
|
Mai 2007
|
266993.0
|
Mehefin 2007
|
271875.0
|
Gorffennaf 2007
|
275270.0
|
Awst 2007
|
272772.0
|
Medi 2007
|
273739.0
|
Hydref 2007
|
273156.0
|
Tachwedd 2007
|
278786.0
|
Rhagfyr 2007
|
287852.0
|
Ionawr 2008
|
297685.0
|
Chwefror 2008
|
299792.0
|
Mawrth 2008
|
293773.0
|
Ebrill 2008
|
284172.0
|
Mai 2008
|
276307.0
|
Mehefin 2008
|
269990.0
|
Gorffennaf 2008
|
273012.0
|
Awst 2008
|
267292.0
|
Medi 2008
|
268668.0
|
Hydref 2008
|
258850.0
|
Tachwedd 2008
|
257153.0
|
Rhagfyr 2008
|
247009.0
|
Ionawr 2009
|
237224.0
|
Chwefror 2009
|
228992.0
|
Mawrth 2009
|
230847.0
|
Ebrill 2009
|
231965.0
|
Mai 2009
|
236128.0
|
Mehefin 2009
|
233452.0
|
Gorffennaf 2009
|
239801.0
|
Awst 2009
|
244609.0
|
Medi 2009
|
248829.0
|
Hydref 2009
|
252380.0
|
Tachwedd 2009
|
251927.0
|
Rhagfyr 2009
|
249898.0
|
Ionawr 2010
|
243995.0
|
Chwefror 2010
|
247855.0
|
Mawrth 2010
|
253068.0
|
Ebrill 2010
|
254167.0
|
Mai 2010
|
248295.0
|
Mehefin 2010
|
245130.0
|
Gorffennaf 2010
|
249890.0
|
Awst 2010
|
258505.0
|
Medi 2010
|
262048.0
|
Hydref 2010
|
257324.0
|
Tachwedd 2010
|
253514.0
|
Rhagfyr 2010
|
250503.0
|
Ionawr 2011
|
252979.0
|
Chwefror 2011
|
251919.0
|
Mawrth 2011
|
250837.0
|
Ebrill 2011
|
253849.0
|
Mai 2011
|
255254.0
|
Mehefin 2011
|
264105.0
|
Gorffennaf 2011
|
271295.0
|
Awst 2011
|
269852.0
|
Medi 2011
|
271551.0
|
Hydref 2011
|
263831.0
|
Tachwedd 2011
|
269855.0
|
Rhagfyr 2011
|
264979.0
|
Ionawr 2012
|
266062.0
|
Chwefror 2012
|
260275.0
|
Mawrth 2012
|
262702.0
|
Ebrill 2012
|
262640.0
|
Mai 2012
|
268787.0
|
Mehefin 2012
|
271234.0
|
Gorffennaf 2012
|
277616.0
|
Awst 2012
|
281008.0
|
Medi 2012
|
274666.0
|
Hydref 2012
|
269578.0
|
Tachwedd 2012
|
262660.0
|
Rhagfyr 2012
|
270993.0
|
Ionawr 2013
|
275535.0
|
Chwefror 2013
|
279835.0
|
Mawrth 2013
|
277985.0
|
Ebrill 2013
|
275408.0
|
Mai 2013
|
278320.0
|
Mehefin 2013
|
281198.0
|
Gorffennaf 2013
|
281634.0
|
Awst 2013
|
278752.0
|
Medi 2013
|
280173.0
|
Hydref 2013
|
283755.0
|
Tachwedd 2013
|
285159.0
|
Rhagfyr 2013
|
283350.0
|
Ionawr 2014
|
290376.0
|
Chwefror 2014
|
294126.0
|
Mawrth 2014
|
299313.0
|
Ebrill 2014
|
298290.0
|
Mai 2014
|
310105.0
|
Mehefin 2014
|
311497.0
|
Gorffennaf 2014
|
318448.0
|
Awst 2014
|
312901.0
|
Medi 2014
|
316867.0
|
Hydref 2014
|
321939.0
|
Tachwedd 2014
|
325329.0
|
Rhagfyr 2014
|
326839.0
|
Ionawr 2015
|
323869.0
|
Chwefror 2015
|
328213.0
|
Mawrth 2015
|
331718.0
|
Ebrill 2015
|
329114.0
|
Mai 2015
|
330027.0
|
Mehefin 2015
|
335952.0
|
Gorffennaf 2015
|
348655.0
|
Awst 2015
|
351399.0
|
Medi 2015
|
351875.0
|
Hydref 2015
|
343955.0
|
Tachwedd 2015
|
350715.0
|
Rhagfyr 2015
|
354457.0
|
Ionawr 2016
|
374432.0
|
Chwefror 2016
|
374044.0
|
Mawrth 2016
|
377511.0
|
Ebrill 2016
|
370869.0
|
Mai 2016
|
380052.0
|
Mehefin 2016
|
381905.0
|
Gorffennaf 2016
|
387147.0
|
Awst 2016
|
382853.0
|
Medi 2016
|
383980.0
|
Hydref 2016
|
384108.0
|
Tachwedd 2016
|
386812.0
|
Rhagfyr 2016
|
392622.0
|
Ionawr 2017
|
395150.0
|
Chwefror 2017
|
391867.0
|
Mawrth 2017
|
389569.0
|
Ebrill 2017
|
387000.0
|
Mai 2017
|
388978.0
|
Mehefin 2017
|
391963.0
|
Gorffennaf 2017
|
394178.0
|
Awst 2017
|
400907.0
|
Medi 2017
|
401639.0
|
Hydref 2017
|
410400.0
|
Tachwedd 2017
|
409475.0
|
Rhagfyr 2017
|
408374.0
|
Ionawr 2018
|
406837.0
|
Chwefror 2018
|
420777.0
|
Mawrth 2018
|
424724.0
|
Ebrill 2018
|
416348.0
|
Mai 2018
|
399710.0
|
Mehefin 2018
|
398686.0
|
Gorffennaf 2018
|
406713.0
|
Awst 2018
|
414488.0
|
Medi 2018
|
412848.0
|
Hydref 2018
|
408034.0
|
Tachwedd 2018
|
399770.0
|
Rhagfyr 2018
|
395375.0
|
Ionawr 2019
|
399306.0
|
Chwefror 2019
|
413164.0
|
Mawrth 2019
|
426069.0
|
Ebrill 2019
|
422855.0
|
Mai 2019
|
417057.0
|
Mehefin 2019
|
410114.0
|
Gorffennaf 2019
|
412169.0
|
Awst 2019
|
408585.0
|
Medi 2019
|
410258.0
|
Hydref 2019
|
412142.0
|
Tachwedd 2019
|
411269.0
|
Rhagfyr 2019
|
404334.0
|
Ionawr 2020
|
413906.0
|
Chwefror 2020
|
416371.0
|
Mawrth 2020
|
423434.0
|
Ebrill 2020
|
422678.0
|
Mai 2020
|
426934.0
|
Mehefin 2020
|
431797.0
|
Gorffennaf 2020
|
423721.0
|
Awst 2020
|
426235.0
|
Medi 2020
|
427002.0
|
Hydref 2020
|
428870.0
|
Tachwedd 2020
|
423040.0
|
Rhagfyr 2020
|
415309.0
|
Ionawr 2021
|
403630.0
|
Chwefror 2021
|
407659.0
|
Mawrth 2021
|
416799.0
|
Ebrill 2021
|
426065.0
|
Mai 2021
|
427886.0
|
Mehefin 2021
|
425221.0
|
Gorffennaf 2021
|
427761.0
|
Awst 2021
|
422841.0
|
Medi 2021
|
425676.0
|
Hydref 2021
|
423772.0
|
Tachwedd 2021
|
425740.0
|
Rhagfyr 2021
|
425285.0
|
Ionawr 2022
|
428151.0
|
Chwefror 2022
|
431321.0
|
Mawrth 2022
|
428519.0
|
Ebrill 2022
|
431271.0
|
Mai 2022
|
435935.0
|
Mehefin 2022
|
446914.0
|
Gorffennaf 2022
|
448951.0
|
Awst 2022
|
456638.0
|
Medi 2022
|
453769.0
|
Hydref 2022
|
462507.0
|
Tachwedd 2022
|
461831.0
|
Rhagfyr 2022
|
463172.0
|
Ionawr 2023
|
465049.0
|
Chwefror 2023
|
474121.0
|
Mawrth 2023
|
481651.0
|
Ebrill 2023
|
481403.0
|
Mai 2023
|
473750.0
|
Mehefin 2023
|
473918.0
|
Gorffennaf 2023
|
466522.0
|
Awst 2023
|
462881.0
|
Medi 2023
|
456863.0
|
Dyddiad
|
Adeilad newydd
|
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
|
-5.2
|
Chwefror 1996
|
-0.4
|
Mawrth 1996
|
-1.0
|
Ebrill 1996
|
2.9
|
Mai 1996
|
0.8
|
Mehefin 1996
|
0.7
|
Gorffennaf 1996
|
3.2
|
Awst 1996
|
5.6
|
Medi 1996
|
8.8
|
Hydref 1996
|
6.3
|
Tachwedd 1996
|
6.1
|
Rhagfyr 1996
|
5.6
|
Ionawr 1997
|
7.2
|
Chwefror 1997
|
10.2
|
Mawrth 1997
|
11.2
|
Ebrill 1997
|
9.4
|
Mai 1997
|
8.8
|
Mehefin 1997
|
10.7
|
Gorffennaf 1997
|
7.8
|
Awst 1997
|
5.2
|
Medi 1997
|
5.6
|
Hydref 1997
|
9.4
|
Tachwedd 1997
|
9.9
|
Rhagfyr 1997
|
10.8
|
Ionawr 1998
|
9.3
|
Chwefror 1998
|
11.0
|
Mawrth 1998
|
11.6
|
Ebrill 1998
|
15.1
|
Mai 1998
|
18.1
|
Mehefin 1998
|
17.6
|
Gorffennaf 1998
|
20.2
|
Awst 1998
|
18.9
|
Medi 1998
|
16.8
|
Hydref 1998
|
14.7
|
Tachwedd 1998
|
13.9
|
Rhagfyr 1998
|
11.2
|
Ionawr 1999
|
13.7
|
Chwefror 1999
|
11.1
|
Mawrth 1999
|
11.5
|
Ebrill 1999
|
8.6
|
Mai 1999
|
7.6
|
Mehefin 1999
|
7.3
|
Gorffennaf 1999
|
7.2
|
Awst 1999
|
8.9
|
Medi 1999
|
11.6
|
Hydref 1999
|
14.5
|
Tachwedd 1999
|
17.9
|
Rhagfyr 1999
|
21.9
|
Ionawr 2000
|
19.3
|
Chwefror 2000
|
19.5
|
Mawrth 2000
|
18.2
|
Ebrill 2000
|
19.4
|
Mai 2000
|
21.1
|
Mehefin 2000
|
21.4
|
Gorffennaf 2000
|
23.4
|
Awst 2000
|
21.4
|
Medi 2000
|
20.7
|
Hydref 2000
|
18.3
|
Tachwedd 2000
|
17.2
|
Rhagfyr 2000
|
14.0
|
Ionawr 2001
|
15.6
|
Chwefror 2001
|
13.9
|
Mawrth 2001
|
13.1
|
Ebrill 2001
|
12.2
|
Mai 2001
|
12.4
|
Mehefin 2001
|
15.1
|
Gorffennaf 2001
|
12.6
|
Awst 2001
|
14.8
|
Medi 2001
|
12.6
|
Hydref 2001
|
14.0
|
Tachwedd 2001
|
10.9
|
Rhagfyr 2001
|
13.8
|
Ionawr 2002
|
15.7
|
Chwefror 2002
|
19.6
|
Mawrth 2002
|
19.0
|
Ebrill 2002
|
16.1
|
Mai 2002
|
13.6
|
Mehefin 2002
|
11.3
|
Gorffennaf 2002
|
14.3
|
Awst 2002
|
13.8
|
Medi 2002
|
13.3
|
Hydref 2002
|
11.4
|
Tachwedd 2002
|
14.5
|
Rhagfyr 2002
|
16.3
|
Ionawr 2003
|
13.6
|
Chwefror 2003
|
10.9
|
Mawrth 2003
|
12.8
|
Ebrill 2003
|
14.0
|
Mai 2003
|
15.0
|
Mehefin 2003
|
13.3
|
Gorffennaf 2003
|
12.9
|
Awst 2003
|
12.7
|
Medi 2003
|
13.0
|
Hydref 2003
|
13.1
|
Tachwedd 2003
|
10.0
|
Rhagfyr 2003
|
8.7
|
Ionawr 2004
|
7.0
|
Chwefror 2004
|
8.6
|
Mawrth 2004
|
6.5
|
Ebrill 2004
|
9.3
|
Mai 2004
|
6.7
|
Mehefin 2004
|
8.2
|
Gorffennaf 2004
|
3.9
|
Awst 2004
|
5.1
|
Medi 2004
|
6.2
|
Hydref 2004
|
7.1
|
Tachwedd 2004
|
8.4
|
Rhagfyr 2004
|
6.1
|
Ionawr 2005
|
11.2
|
Chwefror 2005
|
9.7
|
Mawrth 2005
|
14.2
|
Ebrill 2005
|
11.5
|
Mai 2005
|
12.1
|
Mehefin 2005
|
6.6
|
Gorffennaf 2005
|
7.1
|
Awst 2005
|
7.1
|
Medi 2005
|
6.9
|
Hydref 2005
|
7.9
|
Tachwedd 2005
|
6.3
|
Rhagfyr 2005
|
7.1
|
Ionawr 2006
|
2.4
|
Chwefror 2006
|
3.6
|
Mawrth 2006
|
-1.6
|
Ebrill 2006
|
-1.1
|
Mai 2006
|
1.9
|
Mehefin 2006
|
8.7
|
Gorffennaf 2006
|
9.4
|
Awst 2006
|
5.2
|
Medi 2006
|
4.1
|
Hydref 2006
|
3.4
|
Tachwedd 2006
|
4.6
|
Rhagfyr 2006
|
3.0
|
Ionawr 2007
|
6.3
|
Chwefror 2007
|
6.0
|
Mawrth 2007
|
8.6
|
Ebrill 2007
|
6.1
|
Mai 2007
|
6.9
|
Mehefin 2007
|
6.1
|
Gorffennaf 2007
|
8.3
|
Awst 2007
|
8.5
|
Medi 2007
|
8.4
|
Hydref 2007
|
7.9
|
Tachwedd 2007
|
10.0
|
Rhagfyr 2007
|
14.8
|
Ionawr 2008
|
15.7
|
Chwefror 2008
|
15.3
|
Mawrth 2008
|
12.1
|
Ebrill 2008
|
9.2
|
Mai 2008
|
3.5
|
Mehefin 2008
|
-0.7
|
Gorffennaf 2008
|
-0.8
|
Awst 2008
|
-2.0
|
Medi 2008
|
-1.8
|
Hydref 2008
|
-5.2
|
Tachwedd 2008
|
-7.8
|
Rhagfyr 2008
|
-14.2
|
Ionawr 2009
|
-20.3
|
Chwefror 2009
|
-23.6
|
Mawrth 2009
|
-21.4
|
Ebrill 2009
|
-18.4
|
Mai 2009
|
-14.5
|
Mehefin 2009
|
-13.5
|
Gorffennaf 2009
|
-12.2
|
Awst 2009
|
-8.5
|
Medi 2009
|
-7.4
|
Hydref 2009
|
-2.5
|
Tachwedd 2009
|
-2.0
|
Rhagfyr 2009
|
1.2
|
Ionawr 2010
|
2.8
|
Chwefror 2010
|
8.2
|
Mawrth 2010
|
9.6
|
Ebrill 2010
|
9.6
|
Mai 2010
|
5.2
|
Mehefin 2010
|
5.0
|
Gorffennaf 2010
|
4.2
|
Awst 2010
|
5.7
|
Medi 2010
|
5.3
|
Hydref 2010
|
2.0
|
Tachwedd 2010
|
0.6
|
Rhagfyr 2010
|
0.2
|
Ionawr 2011
|
3.7
|
Chwefror 2011
|
1.6
|
Mawrth 2011
|
-0.9
|
Ebrill 2011
|
-0.1
|
Mai 2011
|
2.8
|
Mehefin 2011
|
7.7
|
Gorffennaf 2011
|
8.6
|
Awst 2011
|
4.4
|
Medi 2011
|
3.6
|
Hydref 2011
|
2.5
|
Tachwedd 2011
|
6.4
|
Rhagfyr 2011
|
5.8
|
Ionawr 2012
|
5.2
|
Chwefror 2012
|
3.3
|
Mawrth 2012
|
4.7
|
Ebrill 2012
|
3.5
|
Mai 2012
|
5.3
|
Mehefin 2012
|
2.7
|
Gorffennaf 2012
|
2.3
|
Awst 2012
|
4.1
|
Medi 2012
|
1.2
|
Hydref 2012
|
2.2
|
Tachwedd 2012
|
-2.7
|
Rhagfyr 2012
|
2.3
|
Ionawr 2013
|
3.6
|
Chwefror 2013
|
7.5
|
Mawrth 2013
|
5.8
|
Ebrill 2013
|
4.9
|
Mai 2013
|
3.6
|
Mehefin 2013
|
3.7
|
Gorffennaf 2013
|
1.4
|
Awst 2013
|
-0.8
|
Medi 2013
|
2.0
|
Hydref 2013
|
5.3
|
Tachwedd 2013
|
8.6
|
Rhagfyr 2013
|
4.6
|
Ionawr 2014
|
5.4
|
Chwefror 2014
|
5.1
|
Mawrth 2014
|
7.7
|
Ebrill 2014
|
8.3
|
Mai 2014
|
11.4
|
Mehefin 2014
|
10.8
|
Gorffennaf 2014
|
13.1
|
Awst 2014
|
12.2
|
Medi 2014
|
13.1
|
Hydref 2014
|
13.5
|
Tachwedd 2014
|
14.1
|
Rhagfyr 2014
|
15.4
|
Ionawr 2015
|
11.5
|
Chwefror 2015
|
11.6
|
Mawrth 2015
|
10.8
|
Ebrill 2015
|
10.3
|
Mai 2015
|
6.4
|
Mehefin 2015
|
7.8
|
Gorffennaf 2015
|
9.5
|
Awst 2015
|
12.3
|
Medi 2015
|
11.0
|
Hydref 2015
|
6.8
|
Tachwedd 2015
|
7.8
|
Rhagfyr 2015
|
8.4
|
Ionawr 2016
|
15.6
|
Chwefror 2016
|
14.0
|
Mawrth 2016
|
13.8
|
Ebrill 2016
|
12.7
|
Mai 2016
|
15.2
|
Mehefin 2016
|
13.7
|
Gorffennaf 2016
|
11.0
|
Awst 2016
|
9.0
|
Medi 2016
|
9.1
|
Hydref 2016
|
11.7
|
Tachwedd 2016
|
10.3
|
Rhagfyr 2016
|
10.8
|
Ionawr 2017
|
5.5
|
Chwefror 2017
|
4.8
|
Mawrth 2017
|
3.2
|
Ebrill 2017
|
1.6
|
Mai 2017
|
1.3
|
Mehefin 2017
|
2.6
|
Gorffennaf 2017
|
1.8
|
Awst 2017
|
4.7
|
Medi 2017
|
4.6
|
Hydref 2017
|
6.8
|
Tachwedd 2017
|
5.9
|
Rhagfyr 2017
|
4.0
|
Ionawr 2018
|
3.0
|
Chwefror 2018
|
7.4
|
Mawrth 2018
|
9.0
|
Ebrill 2018
|
7.6
|
Mai 2018
|
2.8
|
Mehefin 2018
|
1.7
|
Gorffennaf 2018
|
3.2
|
Awst 2018
|
3.4
|
Medi 2018
|
2.8
|
Hydref 2018
|
-0.6
|
Tachwedd 2018
|
-2.4
|
Rhagfyr 2018
|
-3.2
|
Ionawr 2019
|
-1.8
|
Chwefror 2019
|
-1.8
|
Mawrth 2019
|
0.3
|
Ebrill 2019
|
1.6
|
Mai 2019
|
4.3
|
Mehefin 2019
|
2.9
|
Gorffennaf 2019
|
1.3
|
Awst 2019
|
-1.4
|
Medi 2019
|
-0.6
|
Hydref 2019
|
1.0
|
Tachwedd 2019
|
2.9
|
Rhagfyr 2019
|
2.3
|
Ionawr 2020
|
3.7
|
Chwefror 2020
|
0.8
|
Mawrth 2020
|
-0.6
|
Ebrill 2020
|
-0.0
|
Mai 2020
|
2.4
|
Mehefin 2020
|
5.3
|
Gorffennaf 2020
|
2.8
|
Awst 2020
|
4.3
|
Medi 2020
|
4.1
|
Hydref 2020
|
4.1
|
Tachwedd 2020
|
2.9
|
Rhagfyr 2020
|
2.7
|
Ionawr 2021
|
-2.5
|
Chwefror 2021
|
-2.1
|
Mawrth 2021
|
-1.6
|
Ebrill 2021
|
0.8
|
Mai 2021
|
0.2
|
Mehefin 2021
|
-1.5
|
Gorffennaf 2021
|
1.0
|
Awst 2021
|
-0.8
|
Medi 2021
|
-0.3
|
Hydref 2021
|
-1.2
|
Tachwedd 2021
|
0.6
|
Rhagfyr 2021
|
2.4
|
Ionawr 2022
|
6.1
|
Chwefror 2022
|
5.8
|
Mawrth 2022
|
2.8
|
Ebrill 2022
|
1.2
|
Mai 2022
|
1.9
|
Mehefin 2022
|
5.1
|
Gorffennaf 2022
|
5.0
|
Awst 2022
|
8.0
|
Medi 2022
|
6.6
|
Hydref 2022
|
9.1
|
Tachwedd 2022
|
8.5
|
Rhagfyr 2022
|
8.9
|
Ionawr 2023
|
8.6
|
Chwefror 2023
|
9.9
|
Mawrth 2023
|
12.4
|
Ebrill 2023
|
11.6
|
Mai 2023
|
8.7
|
Mehefin 2023
|
6.0
|
Gorffennaf 2023
|
3.9
|
Awst 2023
|
1.4
|
Medi 2023
|
0.7
|
Dyddiad
|
Adeilad newydd
|
Ionawr 1995
|
|
Chwefror 1995
|
-6.3
|
Mawrth 1995
|
0.7
|
Ebrill 1995
|
-0.5
|
Mai 1995
|
1.5
|
Mehefin 1995
|
-0.3
|
Gorffennaf 1995
|
-1.6
|
Awst 1995
|
1.6
|
Medi 1995
|
-0.5
|
Hydref 1995
|
-0.4
|
Tachwedd 1995
|
0.4
|
Rhagfyr 1995
|
0.3
|
Ionawr 1996
|
-0.0
|
Chwefror 1996
|
-1.5
|
Mawrth 1996
|
0.1
|
Ebrill 1996
|
3.5
|
Mai 1996
|
-0.6
|
Mehefin 1996
|
-0.4
|
Gorffennaf 1996
|
0.9
|
Awst 1996
|
4.0
|
Medi 1996
|
2.4
|
Hydref 1996
|
-2.7
|
Tachwedd 1996
|
0.3
|
Rhagfyr 1996
|
-0.2
|
Ionawr 1997
|
1.4
|
Chwefror 1997
|
1.3
|
Mawrth 1997
|
1.0
|
Ebrill 1997
|
1.8
|
Mai 1997
|
-1.1
|
Mehefin 1997
|
1.2
|
Gorffennaf 1997
|
-1.7
|
Awst 1997
|
1.4
|
Medi 1997
|
2.8
|
Hydref 1997
|
0.9
|
Tachwedd 1997
|
0.8
|
Rhagfyr 1997
|
0.6
|
Ionawr 1998
|
0.0
|
Chwefror 1998
|
2.9
|
Mawrth 1998
|
1.6
|
Ebrill 1998
|
5.0
|
Mai 1998
|
1.5
|
Mehefin 1998
|
0.8
|
Gorffennaf 1998
|
0.5
|
Awst 1998
|
0.4
|
Medi 1998
|
1.0
|
Hydref 1998
|
-1.0
|
Tachwedd 1998
|
0.1
|
Rhagfyr 1998
|
-1.8
|
Ionawr 1999
|
2.3
|
Chwefror 1999
|
0.5
|
Mawrth 1999
|
1.9
|
Ebrill 1999
|
2.3
|
Mai 1999
|
0.5
|
Mehefin 1999
|
0.6
|
Gorffennaf 1999
|
0.4
|
Awst 1999
|
1.9
|
Medi 1999
|
3.5
|
Hydref 1999
|
1.6
|
Tachwedd 1999
|
3.0
|
Rhagfyr 1999
|
1.6
|
Ionawr 2000
|
0.1
|
Chwefror 2000
|
0.7
|
Mawrth 2000
|
0.9
|
Ebrill 2000
|
3.3
|
Mai 2000
|
1.9
|
Mehefin 2000
|
0.9
|
Gorffennaf 2000
|
2.0
|
Awst 2000
|
0.2
|
Medi 2000
|
2.9
|
Hydref 2000
|
-0.4
|
Tachwedd 2000
|
2.1
|
Rhagfyr 2000
|
-1.2
|
Ionawr 2001
|
1.5
|
Chwefror 2001
|
-0.8
|
Mawrth 2001
|
0.2
|
Ebrill 2001
|
2.4
|
Mai 2001
|
2.2
|
Mehefin 2001
|
3.2
|
Gorffennaf 2001
|
-0.1
|
Awst 2001
|
2.2
|
Medi 2001
|
0.9
|
Hydref 2001
|
0.8
|
Tachwedd 2001
|
-0.7
|
Rhagfyr 2001
|
1.5
|
Ionawr 2002
|
3.1
|
Chwefror 2002
|
2.5
|
Mawrth 2002
|
-0.3
|
Ebrill 2002
|
-0.1
|
Mai 2002
|
-0.0
|
Mehefin 2002
|
1.2
|
Gorffennaf 2002
|
2.5
|
Awst 2002
|
1.8
|
Medi 2002
|
0.4
|
Hydref 2002
|
-0.9
|
Tachwedd 2002
|
2.1
|
Rhagfyr 2002
|
3.0
|
Ionawr 2003
|
0.8
|
Chwefror 2003
|
0.1
|
Mawrth 2003
|
1.4
|
Ebrill 2003
|
1.0
|
Mai 2003
|
0.8
|
Mehefin 2003
|
-0.3
|
Gorffennaf 2003
|
2.2
|
Awst 2003
|
1.6
|
Medi 2003
|
0.7
|
Hydref 2003
|
-0.8
|
Tachwedd 2003
|
-0.7
|
Rhagfyr 2003
|
1.8
|
Ionawr 2004
|
-0.8
|
Chwefror 2004
|
1.5
|
Mawrth 2004
|
-0.5
|
Ebrill 2004
|
3.6
|
Mai 2004
|
-1.6
|
Mehefin 2004
|
1.0
|
Gorffennaf 2004
|
-1.8
|
Awst 2004
|
2.8
|
Medi 2004
|
1.7
|
Hydref 2004
|
-0.0
|
Tachwedd 2004
|
0.5
|
Rhagfyr 2004
|
-0.3
|
Ionawr 2005
|
4.0
|
Chwefror 2005
|
0.1
|
Mawrth 2005
|
3.5
|
Ebrill 2005
|
1.2
|
Mai 2005
|
-1.1
|
Mehefin 2005
|
-3.9
|
Gorffennaf 2005
|
-1.4
|
Awst 2005
|
2.8
|
Medi 2005
|
1.5
|
Hydref 2005
|
1.0
|
Tachwedd 2005
|
-1.1
|
Rhagfyr 2005
|
0.5
|
Ionawr 2006
|
-0.6
|
Chwefror 2006
|
1.2
|
Mawrth 2006
|
-1.6
|
Ebrill 2006
|
1.6
|
Mai 2006
|
1.9
|
Mehefin 2006
|
2.5
|
Gorffennaf 2006
|
-0.7
|
Awst 2006
|
-1.1
|
Medi 2006
|
0.5
|
Hydref 2006
|
0.2
|
Tachwedd 2006
|
0.1
|
Rhagfyr 2006
|
-1.0
|
Ionawr 2007
|
2.6
|
Chwefror 2007
|
1.0
|
Mawrth 2007
|
0.8
|
Ebrill 2007
|
-0.7
|
Mai 2007
|
2.6
|
Mehefin 2007
|
1.8
|
Gorffennaf 2007
|
1.2
|
Awst 2007
|
-0.9
|
Medi 2007
|
0.4
|
Hydref 2007
|
-0.2
|
Tachwedd 2007
|
2.1
|
Rhagfyr 2007
|
3.2
|
Ionawr 2008
|
3.4
|
Chwefror 2008
|
0.7
|
Mawrth 2008
|
-2.0
|
Ebrill 2008
|
-3.3
|
Mai 2008
|
-2.8
|
Mehefin 2008
|
-2.3
|
Gorffennaf 2008
|
1.1
|
Awst 2008
|
-2.1
|
Medi 2008
|
0.5
|
Hydref 2008
|
-3.6
|
Tachwedd 2008
|
-0.7
|
Rhagfyr 2008
|
-3.9
|
Ionawr 2009
|
-4.0
|
Chwefror 2009
|
-3.5
|
Mawrth 2009
|
0.8
|
Ebrill 2009
|
0.5
|
Mai 2009
|
1.8
|
Mehefin 2009
|
-1.1
|
Gorffennaf 2009
|
2.7
|
Awst 2009
|
2.0
|
Medi 2009
|
1.7
|
Hydref 2009
|
1.4
|
Tachwedd 2009
|
-0.2
|
Rhagfyr 2009
|
-0.8
|
Ionawr 2010
|
-2.4
|
Chwefror 2010
|
1.6
|
Mawrth 2010
|
2.1
|
Ebrill 2010
|
0.4
|
Mai 2010
|
-2.3
|
Mehefin 2010
|
-1.3
|
Gorffennaf 2010
|
1.9
|
Awst 2010
|
3.4
|
Medi 2010
|
1.4
|
Hydref 2010
|
-1.8
|
Tachwedd 2010
|
-1.5
|
Rhagfyr 2010
|
-1.2
|
Ionawr 2011
|
1.0
|
Chwefror 2011
|
-0.4
|
Mawrth 2011
|
-0.4
|
Ebrill 2011
|
1.2
|
Mai 2011
|
0.6
|
Mehefin 2011
|
3.5
|
Gorffennaf 2011
|
2.7
|
Awst 2011
|
-0.5
|
Medi 2011
|
0.6
|
Hydref 2011
|
-2.8
|
Tachwedd 2011
|
2.3
|
Rhagfyr 2011
|
-1.8
|
Ionawr 2012
|
0.4
|
Chwefror 2012
|
-2.2
|
Mawrth 2012
|
0.9
|
Ebrill 2012
|
-0.0
|
Mai 2012
|
2.3
|
Mehefin 2012
|
0.9
|
Gorffennaf 2012
|
2.4
|
Awst 2012
|
1.2
|
Medi 2012
|
-2.3
|
Hydref 2012
|
-1.8
|
Tachwedd 2012
|
-2.6
|
Rhagfyr 2012
|
3.2
|
Ionawr 2013
|
1.7
|
Chwefror 2013
|
1.6
|
Mawrth 2013
|
-0.7
|
Ebrill 2013
|
-0.9
|
Mai 2013
|
1.1
|
Mehefin 2013
|
1.0
|
Gorffennaf 2013
|
0.2
|
Awst 2013
|
-1.0
|
Medi 2013
|
0.5
|
Hydref 2013
|
1.3
|
Tachwedd 2013
|
0.5
|
Rhagfyr 2013
|
-0.6
|
Ionawr 2014
|
2.5
|
Chwefror 2014
|
1.3
|
Mawrth 2014
|
1.8
|
Ebrill 2014
|
-0.3
|
Mai 2014
|
4.0
|
Mehefin 2014
|
0.4
|
Gorffennaf 2014
|
2.2
|
Awst 2014
|
-1.7
|
Medi 2014
|
1.3
|
Hydref 2014
|
1.6
|
Tachwedd 2014
|
1.0
|
Rhagfyr 2014
|
0.5
|
Ionawr 2015
|
-0.9
|
Chwefror 2015
|
1.3
|
Mawrth 2015
|
1.1
|
Ebrill 2015
|
-0.8
|
Mai 2015
|
0.3
|
Mehefin 2015
|
1.8
|
Gorffennaf 2015
|
3.8
|
Awst 2015
|
0.8
|
Medi 2015
|
0.1
|
Hydref 2015
|
-2.2
|
Tachwedd 2015
|
2.0
|
Rhagfyr 2015
|
1.1
|
Ionawr 2016
|
5.6
|
Chwefror 2016
|
-0.1
|
Mawrth 2016
|
0.9
|
Ebrill 2016
|
-1.8
|
Mai 2016
|
2.5
|
Mehefin 2016
|
0.5
|
Gorffennaf 2016
|
1.4
|
Awst 2016
|
-1.1
|
Medi 2016
|
0.3
|
Hydref 2016
|
0.0
|
Tachwedd 2016
|
0.7
|
Rhagfyr 2016
|
1.5
|
Ionawr 2017
|
0.6
|
Chwefror 2017
|
-0.8
|
Mawrth 2017
|
-0.6
|
Ebrill 2017
|
-0.7
|
Mai 2017
|
0.5
|
Mehefin 2017
|
0.8
|
Gorffennaf 2017
|
0.6
|
Awst 2017
|
1.7
|
Medi 2017
|
0.2
|
Hydref 2017
|
2.2
|
Tachwedd 2017
|
-0.2
|
Rhagfyr 2017
|
-0.3
|
Ionawr 2018
|
-0.4
|
Chwefror 2018
|
3.4
|
Mawrth 2018
|
0.9
|
Ebrill 2018
|
-2.0
|
Mai 2018
|
-4.0
|
Mehefin 2018
|
-0.3
|
Gorffennaf 2018
|
2.0
|
Awst 2018
|
1.9
|
Medi 2018
|
-0.4
|
Hydref 2018
|
-1.2
|
Tachwedd 2018
|
-2.0
|
Rhagfyr 2018
|
-1.1
|
Ionawr 2019
|
1.0
|
Chwefror 2019
|
3.5
|
Mawrth 2019
|
3.1
|
Ebrill 2019
|
-0.8
|
Mai 2019
|
-1.4
|
Mehefin 2019
|
-1.7
|
Gorffennaf 2019
|
0.5
|
Awst 2019
|
-0.9
|
Medi 2019
|
0.4
|
Hydref 2019
|
0.5
|
Tachwedd 2019
|
-0.2
|
Rhagfyr 2019
|
-1.7
|
Ionawr 2020
|
2.4
|
Chwefror 2020
|
0.6
|
Mawrth 2020
|
1.7
|
Ebrill 2020
|
-0.2
|
Mai 2020
|
1.0
|
Mehefin 2020
|
1.1
|
Gorffennaf 2020
|
-1.9
|
Awst 2020
|
0.6
|
Medi 2020
|
0.2
|
Hydref 2020
|
0.4
|
Tachwedd 2020
|
-1.4
|
Rhagfyr 2020
|
-1.8
|
Ionawr 2021
|
-2.8
|
Chwefror 2021
|
1.0
|
Mawrth 2021
|
2.2
|
Ebrill 2021
|
2.2
|
Mai 2021
|
0.4
|
Mehefin 2021
|
-0.6
|
Gorffennaf 2021
|
0.6
|
Awst 2021
|
-1.2
|
Medi 2021
|
0.7
|
Hydref 2021
|
-0.4
|
Tachwedd 2021
|
0.5
|
Rhagfyr 2021
|
-0.1
|
Ionawr 2022
|
0.7
|
Chwefror 2022
|
0.7
|
Mawrth 2022
|
-0.6
|
Ebrill 2022
|
0.6
|
Mai 2022
|
1.1
|
Mehefin 2022
|
2.5
|
Gorffennaf 2022
|
0.5
|
Awst 2022
|
1.7
|
Medi 2022
|
-0.6
|
Hydref 2022
|
1.9
|
Tachwedd 2022
|
-0.1
|
Rhagfyr 2022
|
0.3
|
Ionawr 2023
|
0.4
|
Chwefror 2023
|
2.0
|
Mawrth 2023
|
1.6
|
Ebrill 2023
|
-0.1
|
Mai 2023
|
-1.6
|
Mehefin 2023
|
0.0
|
Gorffennaf 2023
|
-1.6
|
Awst 2023
|
-0.8
|
Medi 2023
|
-1.3
|
Dyddiad
|
Adeilad newydd
|
Ionawr 1995
|
26.8
|
Chwefror 1995
|
25.1
|
Mawrth 1995
|
25.3
|
Ebrill 1995
|
25.2
|
Mai 1995
|
25.5
|
Mehefin 1995
|
25.5
|
Gorffennaf 1995
|
25.1
|
Awst 1995
|
25.5
|
Medi 1995
|
25.3
|
Hydref 1995
|
25.2
|
Tachwedd 1995
|
25.4
|
Rhagfyr 1995
|
25.4
|
Ionawr 1996
|
25.4
|
Chwefror 1996
|
25.0
|
Mawrth 1996
|
25.0
|
Ebrill 1996
|
25.9
|
Mai 1996
|
25.8
|
Mehefin 1996
|
25.6
|
Gorffennaf 1996
|
25.9
|
Awst 1996
|
26.9
|
Medi 1996
|
27.6
|
Hydref 1996
|
26.8
|
Tachwedd 1996
|
26.9
|
Rhagfyr 1996
|
26.8
|
Ionawr 1997
|
27.2
|
Chwefror 1997
|
27.6
|
Mawrth 1997
|
27.8
|
Ebrill 1997
|
28.4
|
Mai 1997
|
28.0
|
Mehefin 1997
|
28.4
|
Gorffennaf 1997
|
27.9
|
Awst 1997
|
28.3
|
Medi 1997
|
29.1
|
Hydref 1997
|
29.3
|
Tachwedd 1997
|
29.6
|
Rhagfyr 1997
|
29.8
|
Ionawr 1998
|
29.8
|
Chwefror 1998
|
30.6
|
Mawrth 1998
|
31.1
|
Ebrill 1998
|
32.6
|
Mai 1998
|
33.1
|
Mehefin 1998
|
33.4
|
Gorffennaf 1998
|
33.6
|
Awst 1998
|
33.7
|
Medi 1998
|
34.0
|
Hydref 1998
|
33.7
|
Tachwedd 1998
|
33.7
|
Rhagfyr 1998
|
33.1
|
Ionawr 1999
|
33.8
|
Chwefror 1999
|
34.0
|
Mawrth 1999
|
34.7
|
Ebrill 1999
|
35.4
|
Mai 1999
|
35.6
|
Mehefin 1999
|
35.8
|
Gorffennaf 1999
|
36.0
|
Awst 1999
|
36.6
|
Medi 1999
|
37.9
|
Hydref 1999
|
38.5
|
Tachwedd 1999
|
39.7
|
Rhagfyr 1999
|
40.3
|
Ionawr 2000
|
40.4
|
Chwefror 2000
|
40.6
|
Mawrth 2000
|
41.0
|
Ebrill 2000
|
42.3
|
Mai 2000
|
43.1
|
Mehefin 2000
|
43.5
|
Gorffennaf 2000
|
44.4
|
Awst 2000
|
44.5
|
Medi 2000
|
45.8
|
Hydref 2000
|
45.6
|
Tachwedd 2000
|
46.5
|
Rhagfyr 2000
|
46.0
|
Ionawr 2001
|
46.6
|
Chwefror 2001
|
46.3
|
Mawrth 2001
|
46.4
|
Ebrill 2001
|
47.5
|
Mai 2001
|
48.5
|
Mehefin 2001
|
50.1
|
Gorffennaf 2001
|
50.0
|
Awst 2001
|
51.1
|
Medi 2001
|
51.5
|
Hydref 2001
|
52.0
|
Tachwedd 2001
|
51.6
|
Rhagfyr 2001
|
52.4
|
Ionawr 2002
|
54.0
|
Chwefror 2002
|
55.3
|
Mawrth 2002
|
55.2
|
Ebrill 2002
|
55.1
|
Mai 2002
|
55.1
|
Mehefin 2002
|
55.7
|
Gorffennaf 2002
|
57.1
|
Awst 2002
|
58.2
|
Medi 2002
|
58.4
|
Hydref 2002
|
57.9
|
Tachwedd 2002
|
59.1
|
Rhagfyr 2002
|
60.9
|
Ionawr 2003
|
61.3
|
Chwefror 2003
|
61.4
|
Mawrth 2003
|
62.2
|
Ebrill 2003
|
62.8
|
Mai 2003
|
63.3
|
Mehefin 2003
|
63.1
|
Gorffennaf 2003
|
64.5
|
Awst 2003
|
65.5
|
Medi 2003
|
66.0
|
Hydref 2003
|
65.4
|
Tachwedd 2003
|
65.0
|
Rhagfyr 2003
|
66.2
|
Ionawr 2004
|
65.6
|
Chwefror 2004
|
66.6
|
Mawrth 2004
|
66.3
|
Ebrill 2004
|
68.6
|
Mai 2004
|
67.6
|
Mehefin 2004
|
68.3
|
Gorffennaf 2004
|
67.0
|
Awst 2004
|
68.9
|
Medi 2004
|
70.1
|
Hydref 2004
|
70.1
|
Tachwedd 2004
|
70.4
|
Rhagfyr 2004
|
70.2
|
Ionawr 2005
|
73.0
|
Chwefror 2005
|
73.1
|
Mawrth 2005
|
75.7
|
Ebrill 2005
|
76.5
|
Mai 2005
|
75.7
|
Mehefin 2005
|
72.8
|
Gorffennaf 2005
|
71.8
|
Awst 2005
|
73.8
|
Medi 2005
|
74.9
|
Hydref 2005
|
75.6
|
Tachwedd 2005
|
74.8
|
Rhagfyr 2005
|
75.2
|
Ionawr 2006
|
74.8
|
Chwefror 2006
|
75.7
|
Mawrth 2006
|
74.5
|
Ebrill 2006
|
75.7
|
Mai 2006
|
77.1
|
Mehefin 2006
|
79.1
|
Gorffennaf 2006
|
78.5
|
Awst 2006
|
77.6
|
Medi 2006
|
78.0
|
Hydref 2006
|
78.2
|
Tachwedd 2006
|
78.2
|
Rhagfyr 2006
|
77.4
|
Ionawr 2007
|
79.5
|
Chwefror 2007
|
80.3
|
Mawrth 2007
|
80.9
|
Ebrill 2007
|
80.3
|
Mai 2007
|
82.4
|
Mehefin 2007
|
84.0
|
Gorffennaf 2007
|
85.0
|
Awst 2007
|
84.2
|
Medi 2007
|
84.5
|
Hydref 2007
|
84.3
|
Tachwedd 2007
|
86.1
|
Rhagfyr 2007
|
88.9
|
Ionawr 2008
|
91.9
|
Chwefror 2008
|
92.6
|
Mawrth 2008
|
90.7
|
Ebrill 2008
|
87.7
|
Mai 2008
|
85.3
|
Mehefin 2008
|
83.4
|
Gorffennaf 2008
|
84.3
|
Awst 2008
|
82.5
|
Medi 2008
|
83.0
|
Hydref 2008
|
79.9
|
Tachwedd 2008
|
79.4
|
Rhagfyr 2008
|
76.3
|
Ionawr 2009
|
73.2
|
Chwefror 2009
|
70.7
|
Mawrth 2009
|
71.3
|
Ebrill 2009
|
71.6
|
Mai 2009
|
72.9
|
Mehefin 2009
|
72.1
|
Gorffennaf 2009
|
74.0
|
Awst 2009
|
75.5
|
Medi 2009
|
76.8
|
Hydref 2009
|
77.9
|
Tachwedd 2009
|
77.8
|
Rhagfyr 2009
|
77.2
|
Ionawr 2010
|
75.3
|
Chwefror 2010
|
76.5
|
Mawrth 2010
|
78.1
|
Ebrill 2010
|
78.5
|
Mai 2010
|
76.7
|
Mehefin 2010
|
75.7
|
Gorffennaf 2010
|
77.2
|
Awst 2010
|
79.8
|
Medi 2010
|
80.9
|
Hydref 2010
|
79.4
|
Tachwedd 2010
|
78.3
|
Rhagfyr 2010
|
77.4
|
Ionawr 2011
|
78.1
|
Chwefror 2011
|
77.8
|
Mawrth 2011
|
77.4
|
Ebrill 2011
|
78.4
|
Mai 2011
|
78.8
|
Mehefin 2011
|
81.6
|
Gorffennaf 2011
|
83.8
|
Awst 2011
|
83.3
|
Medi 2011
|
83.8
|
Hydref 2011
|
81.5
|
Tachwedd 2011
|
83.3
|
Rhagfyr 2011
|
81.8
|
Ionawr 2012
|
82.2
|
Chwefror 2012
|
80.4
|
Mawrth 2012
|
81.1
|
Ebrill 2012
|
81.1
|
Mai 2012
|
83.0
|
Mehefin 2012
|
83.8
|
Gorffennaf 2012
|
85.7
|
Awst 2012
|
86.8
|
Medi 2012
|
84.8
|
Hydref 2012
|
83.2
|
Tachwedd 2012
|
81.1
|
Rhagfyr 2012
|
83.7
|
Ionawr 2013
|
85.1
|
Chwefror 2013
|
86.4
|
Mawrth 2013
|
85.8
|
Ebrill 2013
|
85.0
|
Mai 2013
|
85.9
|
Mehefin 2013
|
86.8
|
Gorffennaf 2013
|
87.0
|
Awst 2013
|
86.1
|
Medi 2013
|
86.5
|
Hydref 2013
|
87.6
|
Tachwedd 2013
|
88.0
|
Rhagfyr 2013
|
87.5
|
Ionawr 2014
|
89.7
|
Chwefror 2014
|
90.8
|
Mawrth 2014
|
92.4
|
Ebrill 2014
|
92.1
|
Mai 2014
|
95.8
|
Mehefin 2014
|
96.2
|
Gorffennaf 2014
|
98.3
|
Awst 2014
|
96.6
|
Medi 2014
|
97.8
|
Hydref 2014
|
99.4
|
Tachwedd 2014
|
100.4
|
Rhagfyr 2014
|
100.9
|
Ionawr 2015
|
100.0
|
Chwefror 2015
|
101.3
|
Mawrth 2015
|
102.4
|
Ebrill 2015
|
101.6
|
Mai 2015
|
101.9
|
Mehefin 2015
|
103.7
|
Gorffennaf 2015
|
107.6
|
Awst 2015
|
108.5
|
Medi 2015
|
108.6
|
Hydref 2015
|
106.2
|
Tachwedd 2015
|
108.3
|
Rhagfyr 2015
|
109.4
|
Ionawr 2016
|
115.6
|
Chwefror 2016
|
115.5
|
Mawrth 2016
|
116.6
|
Ebrill 2016
|
114.5
|
Mai 2016
|
117.4
|
Mehefin 2016
|
117.9
|
Gorffennaf 2016
|
119.5
|
Awst 2016
|
118.2
|
Medi 2016
|
118.6
|
Hydref 2016
|
118.6
|
Tachwedd 2016
|
119.4
|
Rhagfyr 2016
|
121.2
|
Ionawr 2017
|
122.0
|
Chwefror 2017
|
121.0
|
Mawrth 2017
|
120.3
|
Ebrill 2017
|
119.5
|
Mai 2017
|
120.1
|
Mehefin 2017
|
121.0
|
Gorffennaf 2017
|
121.7
|
Awst 2017
|
123.8
|
Medi 2017
|
124.0
|
Hydref 2017
|
126.7
|
Tachwedd 2017
|
126.4
|
Rhagfyr 2017
|
126.1
|
Ionawr 2018
|
125.6
|
Chwefror 2018
|
129.9
|
Mawrth 2018
|
131.1
|
Ebrill 2018
|
128.6
|
Mai 2018
|
123.4
|
Mehefin 2018
|
123.1
|
Gorffennaf 2018
|
125.6
|
Awst 2018
|
128.0
|
Medi 2018
|
127.5
|
Hydref 2018
|
126.0
|
Tachwedd 2018
|
123.4
|
Rhagfyr 2018
|
122.1
|
Ionawr 2019
|
123.3
|
Chwefror 2019
|
127.6
|
Mawrth 2019
|
131.6
|
Ebrill 2019
|
130.6
|
Mai 2019
|
128.8
|
Mehefin 2019
|
126.6
|
Gorffennaf 2019
|
127.3
|
Awst 2019
|
126.2
|
Medi 2019
|
126.7
|
Hydref 2019
|
127.3
|
Tachwedd 2019
|
127.0
|
Rhagfyr 2019
|
124.8
|
Ionawr 2020
|
127.8
|
Chwefror 2020
|
128.6
|
Mawrth 2020
|
130.7
|
Ebrill 2020
|
130.5
|
Mai 2020
|
131.8
|
Mehefin 2020
|
133.3
|
Gorffennaf 2020
|
130.8
|
Awst 2020
|
131.6
|
Medi 2020
|
131.8
|
Hydref 2020
|
132.4
|
Tachwedd 2020
|
130.6
|
Rhagfyr 2020
|
128.2
|
Ionawr 2021
|
124.6
|
Chwefror 2021
|
125.9
|
Mawrth 2021
|
128.7
|
Ebrill 2021
|
131.6
|
Mai 2021
|
132.1
|
Mehefin 2021
|
131.3
|
Gorffennaf 2021
|
132.1
|
Awst 2021
|
130.6
|
Medi 2021
|
131.4
|
Hydref 2021
|
130.8
|
Tachwedd 2021
|
131.5
|
Rhagfyr 2021
|
131.3
|
Ionawr 2022
|
132.2
|
Chwefror 2022
|
133.2
|
Mawrth 2022
|
132.3
|
Ebrill 2022
|
133.2
|
Mai 2022
|
134.6
|
Mehefin 2022
|
138.0
|
Gorffennaf 2022
|
138.6
|
Awst 2022
|
141.0
|
Medi 2022
|
140.1
|
Hydref 2022
|
142.8
|
Tachwedd 2022
|
142.6
|
Rhagfyr 2022
|
143.0
|
Ionawr 2023
|
143.6
|
Chwefror 2023
|
146.4
|
Mawrth 2023
|
148.7
|
Ebrill 2023
|
148.6
|
Mai 2023
|
146.3
|
Mehefin 2023
|
146.3
|
Gorffennaf 2023
|
144.0
|
Awst 2023
|
142.9
|
Medi 2023
|
141.1
|