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
|
Ionawr 2002
|
148432.0
|
80897.0
|
61925.0
|
Chwefror 2002
|
149003.0
|
81061.0
|
62219.0
|
Mawrth 2002
|
151870.0
|
82658.0
|
63506.0
|
Ebrill 2002
|
154857.0
|
84617.0
|
65194.0
|
Mai 2002
|
158644.0
|
87287.0
|
67172.0
|
Mehefin 2002
|
162510.0
|
89445.0
|
69083.0
|
Gorffennaf 2002
|
168879.0
|
92817.0
|
71734.0
|
Awst 2002
|
173829.0
|
95407.0
|
73824.0
|
Medi 2002
|
178940.0
|
98253.0
|
75721.0
|
Hydref 2002
|
181660.0
|
100143.0
|
76840.0
|
Tachwedd 2002
|
186909.0
|
102867.0
|
78890.0
|
Rhagfyr 2002
|
190301.0
|
105346.0
|
80676.0
|
Ionawr 2003
|
195753.0
|
108307.0
|
83392.0
|
Chwefror 2003
|
198750.0
|
110730.0
|
85060.0
|
Mawrth 2003
|
202220.0
|
112389.0
|
86549.0
|
Ebrill 2003
|
205370.0
|
114923.0
|
88157.0
|
Mai 2003
|
207254.0
|
116186.0
|
89336.0
|
Mehefin 2003
|
210824.0
|
118736.0
|
91416.0
|
Gorffennaf 2003
|
211606.0
|
119504.0
|
92268.0
|
Awst 2003
|
216080.0
|
122428.0
|
94715.0
|
Medi 2003
|
217702.0
|
123671.0
|
95866.0
|
Hydref 2003
|
220356.0
|
125454.0
|
97491.0
|
Tachwedd 2003
|
221713.0
|
126560.0
|
98379.0
|
Rhagfyr 2003
|
225070.0
|
129545.0
|
100982.0
|
Ionawr 2004
|
227582.0
|
130933.0
|
102097.0
|
Chwefror 2004
|
227878.0
|
131353.0
|
102714.0
|
Mawrth 2004
|
227695.0
|
130807.0
|
102571.0
|
Ebrill 2004
|
229672.0
|
133419.0
|
105191.0
|
Mai 2004
|
231539.0
|
135766.0
|
107709.0
|
Mehefin 2004
|
234100.0
|
138467.0
|
110029.0
|
Gorffennaf 2004
|
236255.0
|
140158.0
|
111368.0
|
Awst 2004
|
240650.0
|
142473.0
|
113116.0
|
Medi 2004
|
244074.0
|
144121.0
|
114465.0
|
Hydref 2004
|
246321.0
|
145128.0
|
115421.0
|
Tachwedd 2004
|
247679.0
|
146051.0
|
116158.0
|
Rhagfyr 2004
|
246651.0
|
146047.0
|
116542.0
|
Ionawr 2005
|
243696.0
|
143956.0
|
115277.0
|
Chwefror 2005
|
242528.0
|
143456.0
|
114923.0
|
Mawrth 2005
|
242739.0
|
143566.0
|
114939.0
|
Ebrill 2005
|
244248.0
|
145661.0
|
116674.0
|
Mai 2005
|
243745.0
|
145570.0
|
117114.0
|
Mehefin 2005
|
242970.0
|
145932.0
|
118058.0
|
Gorffennaf 2005
|
245050.0
|
147134.0
|
119103.0
|
Awst 2005
|
246243.0
|
147786.0
|
119871.0
|
Medi 2005
|
248848.0
|
148695.0
|
120586.0
|
Hydref 2005
|
246695.0
|
147189.0
|
119710.0
|
Tachwedd 2005
|
246647.0
|
147558.0
|
120001.0
|
Rhagfyr 2005
|
246316.0
|
148102.0
|
120755.0
|
Ionawr 2006
|
247875.0
|
148846.0
|
121565.0
|
Chwefror 2006
|
247531.0
|
148718.0
|
121819.0
|
Mawrth 2006
|
246341.0
|
147542.0
|
120691.0
|
Ebrill 2006
|
246339.0
|
148376.0
|
121474.0
|
Mai 2006
|
248258.0
|
149680.0
|
122469.0
|
Mehefin 2006
|
250005.0
|
151337.0
|
124037.0
|
Gorffennaf 2006
|
250639.0
|
151397.0
|
124319.0
|
Awst 2006
|
252238.0
|
152092.0
|
125195.0
|
Medi 2006
|
255057.0
|
153171.0
|
125999.0
|
Hydref 2006
|
257266.0
|
154377.0
|
126908.0
|
Tachwedd 2006
|
258737.0
|
155433.0
|
127570.0
|
Rhagfyr 2006
|
257381.0
|
155207.0
|
127719.0
|
Ionawr 2007
|
258415.0
|
155806.0
|
128292.0
|
Chwefror 2007
|
259017.0
|
156091.0
|
128511.0
|
Mawrth 2007
|
260934.0
|
156862.0
|
129186.0
|
Ebrill 2007
|
263662.0
|
158769.0
|
131202.0
|
Mai 2007
|
262556.0
|
158498.0
|
131501.0
|
Mehefin 2007
|
263148.0
|
158889.0
|
132041.0
|
Gorffennaf 2007
|
263288.0
|
158445.0
|
131593.0
|
Awst 2007
|
267351.0
|
160222.0
|
133118.0
|
Medi 2007
|
269205.0
|
160735.0
|
133415.0
|
Hydref 2007
|
269261.0
|
160178.0
|
133017.0
|
Tachwedd 2007
|
268007.0
|
159159.0
|
131870.0
|
Rhagfyr 2007
|
267885.0
|
159413.0
|
132067.0
|
Ionawr 2008
|
268776.0
|
159775.0
|
132142.0
|
Chwefror 2008
|
268887.0
|
159776.0
|
132074.0
|
Mawrth 2008
|
267550.0
|
158607.0
|
130943.0
|
Ebrill 2008
|
265726.0
|
157337.0
|
130075.0
|
Mai 2008
|
264507.0
|
156799.0
|
129752.0
|
Mehefin 2008
|
262237.0
|
155602.0
|
128952.0
|
Gorffennaf 2008
|
258877.0
|
153897.0
|
127138.0
|
Awst 2008
|
254004.0
|
150569.0
|
124473.0
|
Medi 2008
|
253436.0
|
148852.0
|
122870.0
|
Hydref 2008
|
252058.0
|
147564.0
|
121928.0
|
Tachwedd 2008
|
250536.0
|
146446.0
|
120575.0
|
Rhagfyr 2008
|
242769.0
|
142798.0
|
117730.0
|
Ionawr 2009
|
236996.0
|
139035.0
|
114565.0
|
Chwefror 2009
|
232371.0
|
136354.0
|
112385.0
|
Mawrth 2009
|
231052.0
|
135292.0
|
111304.0
|
Ebrill 2009
|
227825.0
|
134363.0
|
110411.0
|
Mai 2009
|
225306.0
|
133379.0
|
109827.0
|
Mehefin 2009
|
224351.0
|
133080.0
|
109697.0
|
Gorffennaf 2009
|
228708.0
|
135636.0
|
112001.0
|
Awst 2009
|
233266.0
|
137906.0
|
113929.0
|
Medi 2009
|
238878.0
|
141019.0
|
116456.0
|
Hydref 2009
|
241534.0
|
142425.0
|
117351.0
|
Tachwedd 2009
|
243491.0
|
143462.0
|
118435.0
|
Rhagfyr 2009
|
245319.0
|
145512.0
|
120357.0
|
Ionawr 2010
|
242832.0
|
143557.0
|
118869.0
|
Chwefror 2010
|
243606.0
|
144133.0
|
118712.0
|
Mawrth 2010
|
242985.0
|
142448.0
|
116786.0
|
Ebrill 2010
|
246116.0
|
144899.0
|
118639.0
|
Mai 2010
|
247404.0
|
145665.0
|
119504.0
|
Mehefin 2010
|
249543.0
|
147319.0
|
121142.0
|
Gorffennaf 2010
|
253966.0
|
149124.0
|
122753.0
|
Awst 2010
|
256126.0
|
150233.0
|
123310.0
|
Medi 2010
|
259558.0
|
151344.0
|
123937.0
|
Hydref 2010
|
257988.0
|
150511.0
|
122933.0
|
Tachwedd 2010
|
257171.0
|
149613.0
|
122004.0
|
Rhagfyr 2010
|
253602.0
|
148062.0
|
120579.0
|
Ionawr 2011
|
252133.0
|
146380.0
|
119242.0
|
Chwefror 2011
|
250285.0
|
144479.0
|
117903.0
|
Mawrth 2011
|
247736.0
|
141724.0
|
115599.0
|
Ebrill 2011
|
246719.0
|
141388.0
|
115428.0
|
Mai 2011
|
244065.0
|
140947.0
|
115137.0
|
Mehefin 2011
|
242908.0
|
141866.0
|
115925.0
|
Gorffennaf 2011
|
243512.0
|
142703.0
|
116552.0
|
Awst 2011
|
247226.0
|
144615.0
|
117967.0
|
Medi 2011
|
249838.0
|
145175.0
|
118495.0
|
Hydref 2011
|
248086.0
|
143986.0
|
117104.0
|
Tachwedd 2011
|
246668.0
|
142961.0
|
116074.0
|
Rhagfyr 2011
|
244611.0
|
142759.0
|
115597.0
|
Ionawr 2012
|
245177.0
|
143750.0
|
116502.0
|
Chwefror 2012
|
245959.0
|
144414.0
|
117350.0
|
Mawrth 2012
|
245913.0
|
144760.0
|
118007.0
|
Ebrill 2012
|
245345.0
|
144270.0
|
117772.0
|
Mai 2012
|
242520.0
|
142955.0
|
116682.0
|
Mehefin 2012
|
244708.0
|
144144.0
|
118065.0
|
Gorffennaf 2012
|
244637.0
|
144203.0
|
118514.0
|
Awst 2012
|
245792.0
|
145103.0
|
119556.0
|
Medi 2012
|
245832.0
|
144487.0
|
118884.0
|
Hydref 2012
|
246218.0
|
144850.0
|
118937.0
|
Tachwedd 2012
|
246496.0
|
144773.0
|
118683.0
|
Rhagfyr 2012
|
246987.0
|
145280.0
|
118829.0
|
Ionawr 2013
|
247885.0
|
145745.0
|
118875.0
|
Chwefror 2013
|
248113.0
|
145739.0
|
118837.0
|
Mawrth 2013
|
247856.0
|
145143.0
|
118200.0
|
Ebrill 2013
|
245818.0
|
143798.0
|
117432.0
|
Mai 2013
|
246848.0
|
144679.0
|
118105.0
|
Mehefin 2013
|
247065.0
|
145584.0
|
119194.0
|
Gorffennaf 2013
|
250666.0
|
147784.0
|
121231.0
|
Awst 2013
|
253227.0
|
149390.0
|
122684.0
|
Medi 2013
|
255293.0
|
149799.0
|
122763.0
|
Hydref 2013
|
257850.0
|
151071.0
|
123345.0
|
Tachwedd 2013
|
257710.0
|
150917.0
|
122902.0
|
Rhagfyr 2013
|
257619.0
|
151936.0
|
123603.0
|
Ionawr 2014
|
258442.0
|
152678.0
|
124275.0
|
Chwefror 2014
|
257197.0
|
152053.0
|
123739.0
|
Mawrth 2014
|
257947.0
|
152536.0
|
123978.0
|
Ebrill 2014
|
256782.0
|
152206.0
|
123902.0
|
Mai 2014
|
259544.0
|
154305.0
|
125823.0
|
Mehefin 2014
|
262116.0
|
155930.0
|
127301.0
|
Gorffennaf 2014
|
264903.0
|
157755.0
|
128783.0
|
Awst 2014
|
269079.0
|
160126.0
|
130686.0
|
Medi 2014
|
269892.0
|
160342.0
|
130963.0
|
Hydref 2014
|
271447.0
|
161230.0
|
131378.0
|
Tachwedd 2014
|
271617.0
|
161091.0
|
130995.0
|
Rhagfyr 2014
|
271751.0
|
161024.0
|
130764.0
|
Ionawr 2015
|
270154.0
|
160012.0
|
129829.0
|
Chwefror 2015
|
269863.0
|
159747.0
|
129721.0
|
Mawrth 2015
|
270817.0
|
160239.0
|
129756.0
|
Ebrill 2015
|
272715.0
|
161196.0
|
130691.0
|
Mai 2015
|
272101.0
|
161368.0
|
130588.0
|
Mehefin 2015
|
273997.0
|
162917.0
|
132126.0
|
Gorffennaf 2015
|
277026.0
|
165255.0
|
133850.0
|
Awst 2015
|
283194.0
|
168687.0
|
136839.0
|
Medi 2015
|
288037.0
|
170629.0
|
138331.0
|
Hydref 2015
|
288850.0
|
170683.0
|
138311.0
|
Tachwedd 2015
|
290063.0
|
171284.0
|
138550.0
|
Rhagfyr 2015
|
288318.0
|
170778.0
|
137920.0
|
Ionawr 2016
|
291239.0
|
173017.0
|
139432.0
|
Chwefror 2016
|
290976.0
|
172922.0
|
139149.0
|
Mawrth 2016
|
294400.0
|
174461.0
|
140379.0
|
Ebrill 2016
|
294657.0
|
174900.0
|
140949.0
|
Mai 2016
|
296381.0
|
176649.0
|
142814.0
|
Mehefin 2016
|
299192.0
|
179106.0
|
145053.0
|
Gorffennaf 2016
|
302733.0
|
180882.0
|
146751.0
|
Awst 2016
|
306463.0
|
182542.0
|
147935.0
|
Medi 2016
|
308574.0
|
183773.0
|
148571.0
|
Hydref 2016
|
308067.0
|
182968.0
|
147331.0
|
Tachwedd 2016
|
310394.0
|
183610.0
|
147279.0
|
Rhagfyr 2016
|
313089.0
|
184728.0
|
148058.0
|
Ionawr 2017
|
317033.0
|
186842.0
|
149746.0
|
Chwefror 2017
|
316466.0
|
186729.0
|
150013.0
|
Mawrth 2017
|
314254.0
|
185500.0
|
148865.0
|
Ebrill 2017
|
314627.0
|
185855.0
|
149392.0
|
Mai 2017
|
315482.0
|
187338.0
|
150207.0
|
Mehefin 2017
|
319402.0
|
190467.0
|
153116.0
|
Gorffennaf 2017
|
324118.0
|
193931.0
|
155786.0
|
Awst 2017
|
329177.0
|
196594.0
|
158499.0
|
Medi 2017
|
331552.0
|
197298.0
|
158910.0
|
Hydref 2017
|
332572.0
|
197480.0
|
158838.0
|
Tachwedd 2017
|
331403.0
|
196796.0
|
157791.0
|
Rhagfyr 2017
|
333553.0
|
198789.0
|
159338.0
|
Ionawr 2018
|
332930.0
|
198620.0
|
159089.0
|
Chwefror 2018
|
335584.0
|
199706.0
|
160056.0
|
Mawrth 2018
|
333601.0
|
198280.0
|
158811.0
|
Ebrill 2018
|
336691.0
|
200381.0
|
160774.0
|
Mai 2018
|
337944.0
|
201782.0
|
161916.0
|
Mehefin 2018
|
339652.0
|
203099.0
|
162695.0
|
Gorffennaf 2018
|
343406.0
|
204782.0
|
164080.0
|
Awst 2018
|
345147.0
|
205594.0
|
164766.0
|
Medi 2018
|
351828.0
|
209044.0
|
167617.0
|
Hydref 2018
|
352800.0
|
209648.0
|
167710.0
|
Tachwedd 2018
|
355845.0
|
211048.0
|
168621.0
|
Rhagfyr 2018
|
356469.0
|
211906.0
|
169203.0
|
Ionawr 2019
|
356068.0
|
211446.0
|
168626.0
|
Chwefror 2019
|
357887.0
|
212317.0
|
169097.0
|
Mawrth 2019
|
353263.0
|
209413.0
|
166633.0
|
Ebrill 2019
|
353128.0
|
209955.0
|
167416.0
|
Mai 2019
|
351453.0
|
209845.0
|
167643.0
|
Mehefin 2019
|
353329.0
|
211310.0
|
168946.0
|
Gorffennaf 2019
|
352393.0
|
210818.0
|
168691.0
|
Awst 2019
|
354586.0
|
211769.0
|
169799.0
|
Medi 2019
|
357154.0
|
212718.0
|
171225.0
|
Hydref 2019
|
357536.0
|
213216.0
|
171182.0
|
Tachwedd 2019
|
355411.0
|
212244.0
|
169648.0
|
Rhagfyr 2019
|
355151.0
|
212481.0
|
169375.0
|
Ionawr 2020
|
357523.0
|
213718.0
|
170330.0
|
Chwefror 2020
|
357207.0
|
213312.0
|
170226.0
|
Mawrth 2020
|
353682.0
|
211076.0
|
168302.0
|
Ebrill 2020
|
351777.0
|
209162.0
|
167070.0
|
Mai 2020
|
359030.0
|
213523.0
|
170132.0
|
Mehefin 2020
|
360424.0
|
214964.0
|
171246.0
|
Gorffennaf 2020
|
365908.0
|
219130.0
|
174597.0
|
Awst 2020
|
364936.0
|
218393.0
|
174324.0
|
Medi 2020
|
370243.0
|
220582.0
|
176209.0
|
Hydref 2020
|
370935.0
|
220390.0
|
176172.0
|
Tachwedd 2020
|
373063.0
|
221437.0
|
177463.0
|
Rhagfyr 2020
|
378331.0
|
224600.0
|
180524.0
|
Ionawr 2021
|
380764.0
|
227666.0
|
183247.0
|
Chwefror 2021
|
384404.0
|
231779.0
|
187044.0
|
Mawrth 2021
|
387301.0
|
235503.0
|
190604.0
|
Ebrill 2021
|
388769.0
|
236161.0
|
191594.0
|
Mai 2021
|
388128.0
|
235201.0
|
190799.0
|
Mehefin 2021
|
395860.0
|
239819.0
|
195665.0
|
Gorffennaf 2021
|
398174.0
|
240514.0
|
195483.0
|
Awst 2021
|
402264.0
|
242506.0
|
196491.0
|
Medi 2021
|
397660.0
|
239347.0
|
192881.0
|
Hydref 2021
|
401041.0
|
240236.0
|
193116.0
|
Tachwedd 2021
|
405041.0
|
242160.0
|
194454.0
|
Rhagfyr 2021
|
409123.0
|
243614.0
|
195067.0
|
Ionawr 2022
|
413512.0
|
247593.0
|
198607.0
|
Dyddiad
|
Tai ar wahân
|
Tai pâr
|
Tai teras
|
Ionawr 2002
|
12.8
|
13.4
|
13.4
|
Chwefror 2002
|
12.1
|
12.2
|
12.4
|
Mawrth 2002
|
13.2
|
13.4
|
13.6
|
Ebrill 2002
|
12.8
|
13.4
|
13.5
|
Mai 2002
|
14.3
|
15.1
|
14.8
|
Mehefin 2002
|
15.5
|
16.1
|
16.0
|
Gorffennaf 2002
|
18.7
|
19.3
|
19.5
|
Awst 2002
|
19.3
|
20.5
|
20.8
|
Medi 2002
|
20.5
|
22.7
|
22.4
|
Hydref 2002
|
21.7
|
24.3
|
23.7
|
Tachwedd 2002
|
25.3
|
27.4
|
27.2
|
Rhagfyr 2002
|
28.0
|
30.0
|
30.0
|
Ionawr 2003
|
31.9
|
33.9
|
34.7
|
Chwefror 2003
|
33.4
|
36.6
|
36.7
|
Mawrth 2003
|
33.2
|
36.0
|
36.3
|
Ebrill 2003
|
32.6
|
35.8
|
35.2
|
Mai 2003
|
30.6
|
33.1
|
33.0
|
Mehefin 2003
|
29.7
|
32.8
|
32.3
|
Gorffennaf 2003
|
25.3
|
28.8
|
28.6
|
Awst 2003
|
24.3
|
28.3
|
28.3
|
Medi 2003
|
21.7
|
25.9
|
26.6
|
Hydref 2003
|
21.3
|
25.3
|
26.9
|
Tachwedd 2003
|
18.6
|
23.0
|
24.7
|
Rhagfyr 2003
|
18.3
|
23.0
|
25.2
|
Ionawr 2004
|
16.3
|
20.9
|
22.4
|
Chwefror 2004
|
14.7
|
18.6
|
20.8
|
Mawrth 2004
|
12.6
|
16.4
|
18.5
|
Ebrill 2004
|
11.8
|
16.1
|
19.3
|
Mai 2004
|
11.7
|
16.8
|
20.6
|
Mehefin 2004
|
11.0
|
16.6
|
20.4
|
Gorffennaf 2004
|
11.6
|
17.3
|
20.7
|
Awst 2004
|
11.4
|
16.4
|
19.4
|
Medi 2004
|
12.1
|
16.5
|
19.4
|
Hydref 2004
|
11.8
|
15.7
|
18.4
|
Tachwedd 2004
|
11.7
|
15.4
|
18.1
|
Rhagfyr 2004
|
9.6
|
12.7
|
15.4
|
Ionawr 2005
|
7.1
|
10.0
|
12.9
|
Chwefror 2005
|
6.4
|
9.2
|
11.9
|
Mawrth 2005
|
6.6
|
9.8
|
12.1
|
Ebrill 2005
|
6.4
|
9.2
|
10.9
|
Mai 2005
|
5.3
|
7.2
|
8.7
|
Mehefin 2005
|
3.8
|
5.4
|
7.3
|
Gorffennaf 2005
|
3.7
|
5.0
|
6.9
|
Awst 2005
|
2.3
|
3.7
|
6.0
|
Medi 2005
|
2.0
|
3.2
|
5.4
|
Hydref 2005
|
0.2
|
1.4
|
3.7
|
Tachwedd 2005
|
-0.4
|
1.0
|
3.3
|
Rhagfyr 2005
|
-0.1
|
1.4
|
3.6
|
Ionawr 2006
|
1.7
|
3.4
|
5.4
|
Chwefror 2006
|
2.1
|
3.7
|
6.0
|
Mawrth 2006
|
1.5
|
2.8
|
5.0
|
Ebrill 2006
|
0.9
|
1.9
|
4.1
|
Mai 2006
|
1.8
|
2.8
|
4.6
|
Mehefin 2006
|
2.9
|
3.7
|
5.1
|
Gorffennaf 2006
|
2.3
|
2.9
|
4.4
|
Awst 2006
|
2.4
|
2.9
|
4.4
|
Medi 2006
|
2.5
|
3.0
|
4.5
|
Hydref 2006
|
4.3
|
4.9
|
6.0
|
Tachwedd 2006
|
4.9
|
5.3
|
6.3
|
Rhagfyr 2006
|
4.5
|
4.8
|
5.8
|
Ionawr 2007
|
4.2
|
4.7
|
5.5
|
Chwefror 2007
|
4.6
|
5.0
|
5.5
|
Mawrth 2007
|
5.9
|
6.3
|
7.0
|
Ebrill 2007
|
7.0
|
7.0
|
8.0
|
Mai 2007
|
5.8
|
5.9
|
7.4
|
Mehefin 2007
|
5.3
|
5.0
|
6.4
|
Gorffennaf 2007
|
5.0
|
4.7
|
5.8
|
Awst 2007
|
6.0
|
5.4
|
6.3
|
Medi 2007
|
5.6
|
4.9
|
5.9
|
Hydref 2007
|
4.7
|
3.8
|
4.8
|
Tachwedd 2007
|
3.6
|
2.4
|
3.4
|
Rhagfyr 2007
|
4.1
|
2.7
|
3.4
|
Ionawr 2008
|
4.0
|
2.6
|
3.0
|
Chwefror 2008
|
3.8
|
2.4
|
2.8
|
Mawrth 2008
|
2.5
|
1.1
|
1.4
|
Ebrill 2008
|
0.8
|
-0.9
|
-0.9
|
Mai 2008
|
0.7
|
-1.1
|
-1.3
|
Mehefin 2008
|
-0.4
|
-2.1
|
-2.3
|
Gorffennaf 2008
|
-1.7
|
-2.9
|
-3.4
|
Awst 2008
|
-5.0
|
-6.0
|
-6.5
|
Medi 2008
|
-5.9
|
-7.4
|
-7.9
|
Hydref 2008
|
-6.4
|
-7.9
|
-8.3
|
Tachwedd 2008
|
-6.5
|
-8.0
|
-8.6
|
Rhagfyr 2008
|
-9.4
|
-10.4
|
-10.9
|
Ionawr 2009
|
-11.8
|
-13.0
|
-13.3
|
Chwefror 2009
|
-13.6
|
-14.7
|
-14.9
|
Mawrth 2009
|
-13.6
|
-14.7
|
-15.0
|
Ebrill 2009
|
-14.3
|
-14.6
|
-15.1
|
Mai 2009
|
-14.8
|
-14.9
|
-15.4
|
Mehefin 2009
|
-14.4
|
-14.5
|
-14.9
|
Gorffennaf 2009
|
-11.6
|
-11.9
|
-11.9
|
Awst 2009
|
-8.2
|
-8.4
|
-8.5
|
Medi 2009
|
-5.7
|
-5.3
|
-5.2
|
Hydref 2009
|
-4.2
|
-3.5
|
-3.8
|
Tachwedd 2009
|
-2.8
|
-2.0
|
-1.8
|
Rhagfyr 2009
|
1.0
|
1.9
|
2.2
|
Ionawr 2010
|
2.5
|
3.2
|
3.8
|
Chwefror 2010
|
4.8
|
5.7
|
5.6
|
Mawrth 2010
|
5.2
|
5.3
|
4.9
|
Ebrill 2010
|
8.0
|
7.8
|
7.4
|
Mai 2010
|
9.8
|
9.2
|
8.8
|
Mehefin 2010
|
11.2
|
10.7
|
10.4
|
Gorffennaf 2010
|
11.0
|
9.9
|
9.6
|
Awst 2010
|
9.8
|
8.9
|
8.2
|
Medi 2010
|
8.7
|
7.3
|
6.4
|
Hydref 2010
|
6.8
|
5.7
|
4.8
|
Tachwedd 2010
|
5.6
|
4.3
|
3.0
|
Rhagfyr 2010
|
3.4
|
1.8
|
0.2
|
Ionawr 2011
|
3.8
|
2.0
|
0.3
|
Chwefror 2011
|
2.7
|
0.2
|
-0.7
|
Mawrth 2011
|
2.0
|
-0.5
|
-1.0
|
Ebrill 2011
|
0.2
|
-2.4
|
-2.7
|
Mai 2011
|
-1.4
|
-3.2
|
-3.6
|
Mehefin 2011
|
-2.7
|
-3.7
|
-4.3
|
Gorffennaf 2011
|
-4.1
|
-4.3
|
-5.0
|
Awst 2011
|
-3.5
|
-3.7
|
-4.3
|
Medi 2011
|
-3.7
|
-4.1
|
-4.4
|
Hydref 2011
|
-3.8
|
-4.3
|
-4.7
|
Tachwedd 2011
|
-4.1
|
-4.4
|
-4.9
|
Rhagfyr 2011
|
-3.6
|
-3.6
|
-4.1
|
Ionawr 2012
|
-2.8
|
-1.8
|
-2.3
|
Chwefror 2012
|
-1.7
|
-0.0
|
-0.5
|
Mawrth 2012
|
-0.7
|
2.1
|
2.1
|
Ebrill 2012
|
-0.6
|
2.0
|
2.0
|
Mai 2012
|
-0.6
|
1.4
|
1.3
|
Mehefin 2012
|
0.7
|
1.6
|
1.8
|
Gorffennaf 2012
|
0.5
|
1.0
|
1.7
|
Awst 2012
|
-0.6
|
0.3
|
1.4
|
Medi 2012
|
-1.6
|
-0.5
|
0.3
|
Hydref 2012
|
-0.8
|
0.6
|
1.6
|
Tachwedd 2012
|
-0.1
|
1.3
|
2.2
|
Rhagfyr 2012
|
1.0
|
1.8
|
2.8
|
Ionawr 2013
|
1.1
|
1.4
|
2.0
|
Chwefror 2013
|
0.9
|
0.9
|
1.3
|
Mawrth 2013
|
0.8
|
0.3
|
0.2
|
Ebrill 2013
|
0.2
|
-0.3
|
-0.3
|
Mai 2013
|
1.8
|
1.2
|
1.2
|
Mehefin 2013
|
1.0
|
1.0
|
1.0
|
Gorffennaf 2013
|
2.5
|
2.5
|
2.3
|
Awst 2013
|
3.0
|
3.0
|
2.6
|
Medi 2013
|
3.8
|
3.7
|
3.3
|
Hydref 2013
|
4.7
|
4.3
|
3.7
|
Tachwedd 2013
|
4.6
|
4.2
|
3.6
|
Rhagfyr 2013
|
4.3
|
4.6
|
4.0
|
Ionawr 2014
|
4.3
|
4.8
|
4.5
|
Chwefror 2014
|
3.7
|
4.3
|
4.1
|
Mawrth 2014
|
4.1
|
5.1
|
4.9
|
Ebrill 2014
|
4.5
|
5.8
|
5.5
|
Mai 2014
|
5.1
|
6.6
|
6.5
|
Mehefin 2014
|
6.1
|
7.1
|
6.8
|
Gorffennaf 2014
|
5.7
|
6.8
|
6.2
|
Awst 2014
|
6.3
|
7.2
|
6.5
|
Medi 2014
|
5.7
|
7.0
|
6.7
|
Hydref 2014
|
5.3
|
6.7
|
6.5
|
Tachwedd 2014
|
5.4
|
6.7
|
6.6
|
Rhagfyr 2014
|
5.5
|
6.0
|
5.8
|
Ionawr 2015
|
4.5
|
4.8
|
4.5
|
Chwefror 2015
|
4.9
|
5.1
|
4.8
|
Mawrth 2015
|
5.0
|
5.0
|
4.7
|
Ebrill 2015
|
6.2
|
5.9
|
5.5
|
Mai 2015
|
4.8
|
4.6
|
3.8
|
Mehefin 2015
|
4.5
|
4.5
|
3.8
|
Gorffennaf 2015
|
4.6
|
4.8
|
3.9
|
Awst 2015
|
5.2
|
5.4
|
4.7
|
Medi 2015
|
6.7
|
6.4
|
5.6
|
Hydref 2015
|
6.4
|
5.9
|
5.3
|
Tachwedd 2015
|
6.8
|
6.3
|
5.8
|
Rhagfyr 2015
|
6.1
|
6.1
|
5.5
|
Ionawr 2016
|
7.8
|
8.1
|
7.4
|
Chwefror 2016
|
7.8
|
8.2
|
7.3
|
Mawrth 2016
|
8.7
|
8.9
|
8.2
|
Ebrill 2016
|
8.0
|
8.5
|
7.8
|
Mai 2016
|
8.9
|
9.5
|
9.4
|
Mehefin 2016
|
9.2
|
9.9
|
9.8
|
Gorffennaf 2016
|
9.3
|
9.5
|
9.6
|
Awst 2016
|
8.2
|
8.2
|
8.1
|
Medi 2016
|
7.1
|
7.7
|
7.4
|
Hydref 2016
|
6.6
|
7.2
|
6.5
|
Tachwedd 2016
|
7.0
|
7.2
|
6.3
|
Rhagfyr 2016
|
8.6
|
8.2
|
7.4
|
Ionawr 2017
|
8.9
|
8.0
|
7.4
|
Chwefror 2017
|
8.8
|
8.0
|
7.8
|
Mawrth 2017
|
6.7
|
6.3
|
6.0
|
Ebrill 2017
|
6.3
|
6.1
|
5.7
|
Mai 2017
|
5.9
|
5.7
|
4.8
|
Mehefin 2017
|
6.8
|
6.3
|
5.6
|
Gorffennaf 2017
|
7.1
|
7.2
|
6.2
|
Awst 2017
|
7.4
|
7.7
|
7.1
|
Medi 2017
|
7.4
|
7.4
|
7.0
|
Hydref 2017
|
8.0
|
7.9
|
7.8
|
Tachwedd 2017
|
6.8
|
7.2
|
7.1
|
Rhagfyr 2017
|
6.5
|
7.6
|
7.6
|
Ionawr 2018
|
5.0
|
6.3
|
6.2
|
Chwefror 2018
|
6.0
|
7.0
|
6.7
|
Mawrth 2018
|
6.2
|
6.9
|
6.7
|
Ebrill 2018
|
7.0
|
7.8
|
7.6
|
Mai 2018
|
7.1
|
7.7
|
7.8
|
Mehefin 2018
|
6.3
|
6.6
|
6.3
|
Gorffennaf 2018
|
6.0
|
5.6
|
5.3
|
Awst 2018
|
4.8
|
4.6
|
4.0
|
Medi 2018
|
6.1
|
6.0
|
5.5
|
Hydref 2018
|
6.1
|
6.2
|
5.6
|
Tachwedd 2018
|
7.4
|
7.2
|
6.9
|
Rhagfyr 2018
|
6.9
|
6.6
|
6.2
|
Ionawr 2019
|
7.0
|
6.5
|
6.0
|
Chwefror 2019
|
6.6
|
6.3
|
5.6
|
Mawrth 2019
|
5.9
|
5.6
|
4.9
|
Ebrill 2019
|
4.9
|
4.8
|
4.1
|
Mai 2019
|
4.0
|
4.0
|
3.5
|
Mehefin 2019
|
4.0
|
4.0
|
3.8
|
Gorffennaf 2019
|
2.6
|
3.0
|
2.8
|
Awst 2019
|
2.7
|
3.0
|
3.0
|
Medi 2019
|
1.5
|
1.8
|
2.2
|
Hydref 2019
|
1.3
|
1.7
|
2.1
|
Tachwedd 2019
|
-0.1
|
0.6
|
0.6
|
Rhagfyr 2019
|
-0.4
|
0.3
|
0.1
|
Ionawr 2020
|
0.4
|
1.1
|
1.0
|
Chwefror 2020
|
-0.2
|
0.5
|
0.7
|
Mawrth 2020
|
0.1
|
0.8
|
1.0
|
Ebrill 2020
|
-0.4
|
-0.4
|
-0.2
|
Mai 2020
|
2.2
|
1.8
|
1.5
|
Mehefin 2020
|
2.0
|
1.7
|
1.4
|
Gorffennaf 2020
|
3.8
|
3.9
|
3.5
|
Awst 2020
|
2.9
|
3.1
|
2.7
|
Medi 2020
|
3.7
|
3.7
|
2.9
|
Hydref 2020
|
3.8
|
3.4
|
2.9
|
Tachwedd 2020
|
5.0
|
4.3
|
4.6
|
Rhagfyr 2020
|
6.5
|
5.7
|
6.6
|
Ionawr 2021
|
6.5
|
6.5
|
7.6
|
Chwefror 2021
|
7.6
|
8.7
|
9.9
|
Mawrth 2021
|
9.5
|
11.6
|
13.3
|
Ebrill 2021
|
10.5
|
12.9
|
14.7
|
Mai 2021
|
8.1
|
10.2
|
12.1
|
Mehefin 2021
|
9.8
|
11.6
|
14.3
|
Gorffennaf 2021
|
8.8
|
9.8
|
12.0
|
Awst 2021
|
10.2
|
11.0
|
12.7
|
Medi 2021
|
7.4
|
8.5
|
9.5
|
Hydref 2021
|
8.1
|
9.0
|
9.6
|
Tachwedd 2021
|
8.6
|
9.4
|
9.6
|
Rhagfyr 2021
|
8.1
|
8.5
|
8.1
|
Ionawr 2022
|
8.6
|
8.8
|
8.4
|
Dyddiad
|
Tai ar wahân
|
Tai pâr
|
Tai teras
|
Ionawr 2002
|
-0.1
|
-0.2
|
-0.2
|
Chwefror 2002
|
0.4
|
0.2
|
0.5
|
Mawrth 2002
|
1.9
|
2.0
|
2.1
|
Ebrill 2002
|
2.0
|
2.4
|
2.7
|
Mai 2002
|
2.4
|
3.2
|
3.0
|
Mehefin 2002
|
2.4
|
2.5
|
2.8
|
Gorffennaf 2002
|
3.9
|
3.8
|
3.8
|
Awst 2002
|
2.9
|
2.8
|
2.9
|
Medi 2002
|
2.9
|
3.0
|
2.6
|
Hydref 2002
|
1.5
|
1.9
|
1.5
|
Tachwedd 2002
|
2.9
|
2.7
|
2.7
|
Rhagfyr 2002
|
1.8
|
2.4
|
2.3
|
Ionawr 2003
|
2.9
|
2.8
|
3.4
|
Chwefror 2003
|
1.5
|
2.2
|
2.0
|
Mawrth 2003
|
1.8
|
1.5
|
1.8
|
Ebrill 2003
|
1.6
|
2.2
|
1.9
|
Mai 2003
|
0.9
|
1.1
|
1.3
|
Mehefin 2003
|
1.7
|
2.2
|
2.3
|
Gorffennaf 2003
|
0.4
|
0.6
|
0.9
|
Awst 2003
|
2.1
|
2.4
|
2.6
|
Medi 2003
|
0.8
|
1.0
|
1.2
|
Hydref 2003
|
1.2
|
1.4
|
1.7
|
Tachwedd 2003
|
0.6
|
0.9
|
0.9
|
Rhagfyr 2003
|
1.5
|
2.4
|
2.6
|
Ionawr 2004
|
1.1
|
1.1
|
1.1
|
Chwefror 2004
|
0.1
|
0.3
|
0.6
|
Mawrth 2004
|
-0.1
|
-0.4
|
-0.1
|
Ebrill 2004
|
0.9
|
2.0
|
2.6
|
Mai 2004
|
0.8
|
1.8
|
2.4
|
Mehefin 2004
|
1.1
|
2.0
|
2.2
|
Gorffennaf 2004
|
0.9
|
1.2
|
1.2
|
Awst 2004
|
1.9
|
1.6
|
1.6
|
Medi 2004
|
1.4
|
1.2
|
1.2
|
Hydref 2004
|
0.9
|
0.7
|
0.8
|
Tachwedd 2004
|
0.6
|
0.6
|
0.6
|
Rhagfyr 2004
|
-0.4
|
0.0
|
0.3
|
Ionawr 2005
|
-1.2
|
-1.4
|
-1.1
|
Chwefror 2005
|
-0.5
|
-0.4
|
-0.3
|
Mawrth 2005
|
0.1
|
0.1
|
0.0
|
Ebrill 2005
|
0.6
|
1.5
|
1.5
|
Mai 2005
|
-0.2
|
-0.1
|
0.4
|
Mehefin 2005
|
-0.3
|
0.2
|
0.8
|
Gorffennaf 2005
|
0.9
|
0.8
|
0.9
|
Awst 2005
|
0.5
|
0.4
|
0.6
|
Medi 2005
|
1.1
|
0.6
|
0.6
|
Hydref 2005
|
-0.9
|
-1.0
|
-0.7
|
Tachwedd 2005
|
-0.0
|
0.2
|
0.2
|
Rhagfyr 2005
|
-0.1
|
0.4
|
0.6
|
Ionawr 2006
|
0.6
|
0.5
|
0.7
|
Chwefror 2006
|
-0.1
|
-0.1
|
0.2
|
Mawrth 2006
|
-0.5
|
-0.8
|
-0.9
|
Ebrill 2006
|
0.0
|
0.6
|
0.6
|
Mai 2006
|
0.8
|
0.9
|
0.8
|
Mehefin 2006
|
0.7
|
1.1
|
1.3
|
Gorffennaf 2006
|
0.2
|
0.0
|
0.2
|
Awst 2006
|
0.6
|
0.5
|
0.7
|
Medi 2006
|
1.1
|
0.7
|
0.6
|
Hydref 2006
|
0.9
|
0.8
|
0.7
|
Tachwedd 2006
|
0.6
|
0.7
|
0.5
|
Rhagfyr 2006
|
-0.5
|
-0.2
|
0.1
|
Ionawr 2007
|
0.4
|
0.4
|
0.4
|
Chwefror 2007
|
0.2
|
0.2
|
0.2
|
Mawrth 2007
|
0.7
|
0.5
|
0.5
|
Ebrill 2007
|
1.0
|
1.2
|
1.6
|
Mai 2007
|
-0.4
|
-0.2
|
0.2
|
Mehefin 2007
|
0.2
|
0.2
|
0.4
|
Gorffennaf 2007
|
0.1
|
-0.3
|
-0.3
|
Awst 2007
|
1.5
|
1.1
|
1.2
|
Medi 2007
|
0.7
|
0.3
|
0.2
|
Hydref 2007
|
0.0
|
-0.4
|
-0.3
|
Tachwedd 2007
|
-0.5
|
-0.6
|
-0.9
|
Rhagfyr 2007
|
-0.1
|
0.2
|
0.2
|
Ionawr 2008
|
0.3
|
0.2
|
0.1
|
Chwefror 2008
|
0.0
|
0.0
|
-0.1
|
Mawrth 2008
|
-0.5
|
-0.7
|
-0.9
|
Ebrill 2008
|
-0.7
|
-0.8
|
-0.7
|
Mai 2008
|
-0.5
|
-0.3
|
-0.2
|
Mehefin 2008
|
-0.9
|
-0.8
|
-0.6
|
Gorffennaf 2008
|
-1.3
|
-1.1
|
-1.4
|
Awst 2008
|
-1.9
|
-2.2
|
-2.1
|
Medi 2008
|
-0.2
|
-1.1
|
-1.3
|
Hydref 2008
|
-0.5
|
-0.9
|
-0.8
|
Tachwedd 2008
|
-0.6
|
-0.8
|
-1.1
|
Rhagfyr 2008
|
-3.1
|
-2.5
|
-2.4
|
Ionawr 2009
|
-2.4
|
-2.6
|
-2.7
|
Chwefror 2009
|
-2.0
|
-1.9
|
-1.9
|
Mawrth 2009
|
-0.6
|
-0.8
|
-1.0
|
Ebrill 2009
|
-1.4
|
-0.7
|
-0.8
|
Mai 2009
|
-1.1
|
-0.7
|
-0.5
|
Mehefin 2009
|
-0.4
|
-0.2
|
-0.1
|
Gorffennaf 2009
|
1.9
|
1.9
|
2.1
|
Awst 2009
|
2.0
|
1.7
|
1.7
|
Medi 2009
|
2.4
|
2.3
|
2.2
|
Hydref 2009
|
1.1
|
1.0
|
0.8
|
Tachwedd 2009
|
0.8
|
0.7
|
0.9
|
Rhagfyr 2009
|
0.8
|
1.4
|
1.6
|
Ionawr 2010
|
-1.0
|
-1.3
|
-1.2
|
Chwefror 2010
|
0.3
|
0.4
|
-0.1
|
Mawrth 2010
|
-0.3
|
-1.2
|
-1.6
|
Ebrill 2010
|
1.3
|
1.7
|
1.6
|
Mai 2010
|
0.5
|
0.5
|
0.7
|
Mehefin 2010
|
0.9
|
1.1
|
1.4
|
Gorffennaf 2010
|
1.8
|
1.2
|
1.3
|
Awst 2010
|
0.8
|
0.7
|
0.4
|
Medi 2010
|
1.3
|
0.7
|
0.5
|
Hydref 2010
|
-0.6
|
-0.6
|
-0.8
|
Tachwedd 2010
|
-0.3
|
-0.6
|
-0.8
|
Rhagfyr 2010
|
-1.4
|
-1.0
|
-1.2
|
Ionawr 2011
|
-0.6
|
-1.1
|
-1.1
|
Chwefror 2011
|
-0.7
|
-1.3
|
-1.1
|
Mawrth 2011
|
-1.0
|
-1.9
|
-2.0
|
Ebrill 2011
|
-0.4
|
-0.2
|
-0.2
|
Mai 2011
|
-1.1
|
-0.3
|
-0.2
|
Mehefin 2011
|
-0.5
|
0.6
|
0.7
|
Gorffennaf 2011
|
0.2
|
0.6
|
0.5
|
Awst 2011
|
1.5
|
1.3
|
1.2
|
Medi 2011
|
1.1
|
0.4
|
0.4
|
Hydref 2011
|
-0.7
|
-0.8
|
-1.2
|
Tachwedd 2011
|
-0.6
|
-0.7
|
-0.9
|
Rhagfyr 2011
|
-0.8
|
-0.1
|
-0.4
|
Ionawr 2012
|
0.2
|
0.7
|
0.8
|
Chwefror 2012
|
0.3
|
0.5
|
0.7
|
Mawrth 2012
|
-0.0
|
0.2
|
0.6
|
Ebrill 2012
|
-0.2
|
-0.3
|
-0.2
|
Mai 2012
|
-1.2
|
-0.9
|
-0.9
|
Mehefin 2012
|
0.9
|
0.8
|
1.2
|
Gorffennaf 2012
|
-0.0
|
0.0
|
0.4
|
Awst 2012
|
0.5
|
0.6
|
0.9
|
Medi 2012
|
0.0
|
-0.4
|
-0.6
|
Hydref 2012
|
0.2
|
0.2
|
0.0
|
Tachwedd 2012
|
0.1
|
-0.1
|
-0.2
|
Rhagfyr 2012
|
0.2
|
0.4
|
0.1
|
Ionawr 2013
|
0.4
|
0.3
|
0.0
|
Chwefror 2013
|
0.1
|
0.0
|
-0.0
|
Mawrth 2013
|
-0.1
|
-0.4
|
-0.5
|
Ebrill 2013
|
-0.8
|
-0.9
|
-0.6
|
Mai 2013
|
0.4
|
0.6
|
0.6
|
Mehefin 2013
|
0.1
|
0.6
|
0.9
|
Gorffennaf 2013
|
1.5
|
1.5
|
1.7
|
Awst 2013
|
1.0
|
1.1
|
1.2
|
Medi 2013
|
0.8
|
0.3
|
0.1
|
Hydref 2013
|
1.0
|
0.8
|
0.5
|
Tachwedd 2013
|
-0.1
|
-0.1
|
-0.4
|
Rhagfyr 2013
|
-0.0
|
0.7
|
0.6
|
Ionawr 2014
|
0.3
|
0.5
|
0.5
|
Chwefror 2014
|
-0.5
|
-0.4
|
-0.4
|
Mawrth 2014
|
0.3
|
0.3
|
0.2
|
Ebrill 2014
|
-0.4
|
-0.2
|
-0.1
|
Mai 2014
|
1.1
|
1.4
|
1.6
|
Mehefin 2014
|
1.0
|
1.0
|
1.2
|
Gorffennaf 2014
|
1.1
|
1.2
|
1.2
|
Awst 2014
|
1.6
|
1.5
|
1.5
|
Medi 2014
|
0.3
|
0.1
|
0.2
|
Hydref 2014
|
0.6
|
0.6
|
0.3
|
Tachwedd 2014
|
0.1
|
-0.1
|
-0.3
|
Rhagfyr 2014
|
0.1
|
-0.0
|
-0.2
|
Ionawr 2015
|
-0.6
|
-0.6
|
-0.7
|
Chwefror 2015
|
-0.1
|
-0.2
|
-0.1
|
Mawrth 2015
|
0.4
|
0.3
|
0.0
|
Ebrill 2015
|
0.7
|
0.6
|
0.7
|
Mai 2015
|
-0.2
|
0.1
|
-0.1
|
Mehefin 2015
|
0.7
|
1.0
|
1.2
|
Gorffennaf 2015
|
1.1
|
1.4
|
1.3
|
Awst 2015
|
2.2
|
2.1
|
2.2
|
Medi 2015
|
1.7
|
1.2
|
1.1
|
Hydref 2015
|
0.3
|
0.0
|
-0.0
|
Tachwedd 2015
|
0.4
|
0.4
|
0.2
|
Rhagfyr 2015
|
-0.6
|
-0.3
|
-0.4
|
Ionawr 2016
|
1.0
|
1.3
|
1.1
|
Chwefror 2016
|
-0.1
|
-0.1
|
-0.2
|
Mawrth 2016
|
1.2
|
0.9
|
0.9
|
Ebrill 2016
|
0.1
|
0.2
|
0.4
|
Mai 2016
|
0.6
|
1.0
|
1.3
|
Mehefin 2016
|
1.0
|
1.4
|
1.6
|
Gorffennaf 2016
|
1.2
|
1.0
|
1.2
|
Awst 2016
|
1.2
|
0.9
|
0.8
|
Medi 2016
|
0.7
|
0.7
|
0.4
|
Hydref 2016
|
-0.2
|
-0.4
|
-0.8
|
Tachwedd 2016
|
0.8
|
0.4
|
-0.0
|
Rhagfyr 2016
|
0.9
|
0.6
|
0.5
|
Ionawr 2017
|
1.3
|
1.1
|
1.1
|
Chwefror 2017
|
-0.2
|
-0.1
|
0.2
|
Mawrth 2017
|
-0.7
|
-0.7
|
-0.8
|
Ebrill 2017
|
0.1
|
0.2
|
0.4
|
Mai 2017
|
0.3
|
0.8
|
0.6
|
Mehefin 2017
|
1.2
|
1.7
|
1.9
|
Gorffennaf 2017
|
1.5
|
1.8
|
1.7
|
Awst 2017
|
1.6
|
1.4
|
1.7
|
Medi 2017
|
0.7
|
0.4
|
0.3
|
Hydref 2017
|
0.3
|
0.1
|
-0.0
|
Tachwedd 2017
|
-0.4
|
-0.4
|
-0.7
|
Rhagfyr 2017
|
0.6
|
1.0
|
1.0
|
Ionawr 2018
|
-0.2
|
-0.1
|
-0.2
|
Chwefror 2018
|
0.8
|
0.6
|
0.6
|
Mawrth 2018
|
-0.6
|
-0.7
|
-0.8
|
Ebrill 2018
|
0.9
|
1.1
|
1.2
|
Mai 2018
|
0.4
|
0.7
|
0.7
|
Mehefin 2018
|
0.5
|
0.6
|
0.5
|
Gorffennaf 2018
|
1.1
|
0.8
|
0.8
|
Awst 2018
|
0.5
|
0.4
|
0.4
|
Medi 2018
|
1.9
|
1.7
|
1.7
|
Hydref 2018
|
0.3
|
0.3
|
0.1
|
Tachwedd 2018
|
0.9
|
0.7
|
0.5
|
Rhagfyr 2018
|
0.2
|
0.4
|
0.4
|
Ionawr 2019
|
-0.1
|
-0.2
|
-0.3
|
Chwefror 2019
|
0.5
|
0.4
|
0.3
|
Mawrth 2019
|
-1.3
|
-1.4
|
-1.5
|
Ebrill 2019
|
-0.0
|
0.3
|
0.5
|
Mai 2019
|
-0.5
|
-0.1
|
0.1
|
Mehefin 2019
|
0.5
|
0.7
|
0.8
|
Gorffennaf 2019
|
-0.3
|
-0.2
|
-0.2
|
Awst 2019
|
0.6
|
0.4
|
0.7
|
Medi 2019
|
0.7
|
0.4
|
0.8
|
Hydref 2019
|
0.1
|
0.2
|
-0.0
|
Tachwedd 2019
|
-0.6
|
-0.5
|
-0.9
|
Rhagfyr 2019
|
-0.1
|
0.1
|
-0.2
|
Ionawr 2020
|
0.7
|
0.6
|
0.6
|
Chwefror 2020
|
-0.1
|
-0.2
|
-0.1
|
Mawrth 2020
|
-1.0
|
-1.0
|
-1.1
|
Ebrill 2020
|
-0.5
|
-0.9
|
-0.7
|
Mai 2020
|
2.1
|
2.1
|
1.8
|
Mehefin 2020
|
0.4
|
0.7
|
0.7
|
Gorffennaf 2020
|
1.5
|
1.9
|
2.0
|
Awst 2020
|
-0.3
|
-0.3
|
-0.2
|
Medi 2020
|
1.4
|
1.0
|
1.1
|
Hydref 2020
|
0.2
|
-0.1
|
-0.0
|
Tachwedd 2020
|
0.6
|
0.5
|
0.7
|
Rhagfyr 2020
|
1.4
|
1.4
|
1.7
|
Ionawr 2021
|
0.6
|
1.4
|
1.5
|
Chwefror 2021
|
1.0
|
1.8
|
2.1
|
Mawrth 2021
|
0.8
|
1.6
|
1.9
|
Ebrill 2021
|
0.4
|
0.3
|
0.5
|
Mai 2021
|
-0.2
|
-0.4
|
-0.4
|
Mehefin 2021
|
2.0
|
2.0
|
2.6
|
Gorffennaf 2021
|
0.6
|
0.3
|
-0.1
|
Awst 2021
|
1.0
|
0.8
|
0.5
|
Medi 2021
|
-1.1
|
-1.3
|
-1.8
|
Hydref 2021
|
0.9
|
0.4
|
0.1
|
Tachwedd 2021
|
1.0
|
0.8
|
0.7
|
Rhagfyr 2021
|
1.0
|
0.6
|
0.3
|
Ionawr 2022
|
1.1
|
1.6
|
1.8
|
Dyddiad
|
Tai ar wahân
|
Tai pâr
|
Tai teras
|
Ionawr 2002
|
54.9
|
50.6
|
47.7
|
Chwefror 2002
|
55.2
|
50.7
|
47.9
|
Mawrth 2002
|
56.2
|
51.7
|
48.9
|
Ebrill 2002
|
57.3
|
52.9
|
50.2
|
Mai 2002
|
58.7
|
54.6
|
51.7
|
Mehefin 2002
|
60.2
|
55.9
|
53.2
|
Gorffennaf 2002
|
62.5
|
58.0
|
55.2
|
Awst 2002
|
64.3
|
59.6
|
56.9
|
Medi 2002
|
66.2
|
61.4
|
58.3
|
Hydref 2002
|
67.2
|
62.6
|
59.2
|
Tachwedd 2002
|
69.2
|
64.3
|
60.8
|
Rhagfyr 2002
|
70.4
|
65.8
|
62.1
|
Ionawr 2003
|
72.5
|
67.7
|
64.2
|
Chwefror 2003
|
73.6
|
69.2
|
65.5
|
Mawrth 2003
|
74.8
|
70.2
|
66.7
|
Ebrill 2003
|
76.0
|
71.8
|
67.9
|
Mai 2003
|
76.7
|
72.6
|
68.8
|
Mehefin 2003
|
78.0
|
74.2
|
70.4
|
Gorffennaf 2003
|
78.3
|
74.7
|
71.1
|
Awst 2003
|
80.0
|
76.5
|
73.0
|
Medi 2003
|
80.6
|
77.3
|
73.8
|
Hydref 2003
|
81.6
|
78.4
|
75.1
|
Tachwedd 2003
|
82.1
|
79.1
|
75.8
|
Rhagfyr 2003
|
83.3
|
81.0
|
77.8
|
Ionawr 2004
|
84.2
|
81.8
|
78.6
|
Chwefror 2004
|
84.4
|
82.1
|
79.1
|
Mawrth 2004
|
84.3
|
81.8
|
79.0
|
Ebrill 2004
|
85.0
|
83.4
|
81.0
|
Mai 2004
|
85.7
|
84.8
|
83.0
|
Mehefin 2004
|
86.6
|
86.5
|
84.8
|
Gorffennaf 2004
|
87.4
|
87.6
|
85.8
|
Awst 2004
|
89.1
|
89.0
|
87.1
|
Medi 2004
|
90.4
|
90.1
|
88.2
|
Hydref 2004
|
91.2
|
90.7
|
88.9
|
Tachwedd 2004
|
91.7
|
91.3
|
89.5
|
Rhagfyr 2004
|
91.3
|
91.3
|
89.8
|
Ionawr 2005
|
90.2
|
90.0
|
88.8
|
Chwefror 2005
|
89.8
|
89.6
|
88.5
|
Mawrth 2005
|
89.8
|
89.7
|
88.5
|
Ebrill 2005
|
90.4
|
91.0
|
89.9
|
Mai 2005
|
90.2
|
91.0
|
90.2
|
Mehefin 2005
|
89.9
|
91.2
|
90.9
|
Gorffennaf 2005
|
90.7
|
92.0
|
91.7
|
Awst 2005
|
91.2
|
92.4
|
92.3
|
Medi 2005
|
92.1
|
92.9
|
92.9
|
Hydref 2005
|
91.3
|
92.0
|
92.2
|
Tachwedd 2005
|
91.3
|
92.2
|
92.4
|
Rhagfyr 2005
|
91.2
|
92.6
|
93.0
|
Ionawr 2006
|
91.8
|
93.0
|
93.6
|
Chwefror 2006
|
91.6
|
92.9
|
93.8
|
Mawrth 2006
|
91.2
|
92.2
|
93.0
|
Ebrill 2006
|
91.2
|
92.7
|
93.6
|
Mai 2006
|
91.9
|
93.5
|
94.3
|
Mehefin 2006
|
92.5
|
94.6
|
95.5
|
Gorffennaf 2006
|
92.8
|
94.6
|
95.8
|
Awst 2006
|
93.4
|
95.0
|
96.4
|
Medi 2006
|
94.4
|
95.7
|
97.0
|
Hydref 2006
|
95.2
|
96.5
|
97.8
|
Tachwedd 2006
|
95.8
|
97.1
|
98.3
|
Rhagfyr 2006
|
95.3
|
97.0
|
98.4
|
Ionawr 2007
|
95.6
|
97.4
|
98.8
|
Chwefror 2007
|
95.9
|
97.6
|
99.0
|
Mawrth 2007
|
96.6
|
98.0
|
99.5
|
Ebrill 2007
|
97.6
|
99.2
|
101.1
|
Mai 2007
|
97.2
|
99.0
|
101.3
|
Mehefin 2007
|
97.4
|
99.3
|
101.7
|
Gorffennaf 2007
|
97.5
|
99.0
|
101.4
|
Awst 2007
|
99.0
|
100.1
|
102.5
|
Medi 2007
|
99.6
|
100.4
|
102.8
|
Hydref 2007
|
99.7
|
100.1
|
102.5
|
Tachwedd 2007
|
99.2
|
99.5
|
101.6
|
Rhagfyr 2007
|
99.2
|
99.6
|
101.7
|
Ionawr 2008
|
99.5
|
99.8
|
101.8
|
Chwefror 2008
|
99.5
|
99.8
|
101.7
|
Mawrth 2008
|
99.0
|
99.1
|
100.9
|
Ebrill 2008
|
98.4
|
98.3
|
100.2
|
Mai 2008
|
97.9
|
98.0
|
99.9
|
Mehefin 2008
|
97.1
|
97.2
|
99.3
|
Gorffennaf 2008
|
95.8
|
96.2
|
97.9
|
Awst 2008
|
94.0
|
94.1
|
95.9
|
Medi 2008
|
93.8
|
93.0
|
94.6
|
Hydref 2008
|
93.3
|
92.2
|
93.9
|
Tachwedd 2008
|
92.7
|
91.5
|
92.9
|
Rhagfyr 2008
|
89.9
|
89.2
|
90.7
|
Ionawr 2009
|
87.7
|
86.9
|
88.2
|
Chwefror 2009
|
86.0
|
85.2
|
86.6
|
Mawrth 2009
|
85.5
|
84.6
|
85.7
|
Ebrill 2009
|
84.3
|
84.0
|
85.0
|
Mai 2009
|
83.4
|
83.4
|
84.6
|
Mehefin 2009
|
83.0
|
83.2
|
84.5
|
Gorffennaf 2009
|
84.7
|
84.8
|
86.3
|
Awst 2009
|
86.4
|
86.2
|
87.8
|
Medi 2009
|
88.4
|
88.1
|
89.7
|
Hydref 2009
|
89.4
|
89.0
|
90.4
|
Tachwedd 2009
|
90.1
|
89.7
|
91.2
|
Rhagfyr 2009
|
90.8
|
90.9
|
92.7
|
Ionawr 2010
|
89.9
|
89.7
|
91.6
|
Chwefror 2010
|
90.2
|
90.1
|
91.4
|
Mawrth 2010
|
89.9
|
89.0
|
90.0
|
Ebrill 2010
|
91.1
|
90.6
|
91.4
|
Mai 2010
|
91.6
|
91.0
|
92.0
|
Mehefin 2010
|
92.4
|
92.1
|
93.3
|
Gorffennaf 2010
|
94.0
|
93.2
|
94.6
|
Awst 2010
|
94.8
|
93.9
|
95.0
|
Medi 2010
|
96.1
|
94.6
|
95.5
|
Hydref 2010
|
95.5
|
94.1
|
94.7
|
Tachwedd 2010
|
95.2
|
93.5
|
94.0
|
Rhagfyr 2010
|
93.9
|
92.5
|
92.9
|
Ionawr 2011
|
93.3
|
91.5
|
91.8
|
Chwefror 2011
|
92.6
|
90.3
|
90.8
|
Mawrth 2011
|
91.7
|
88.6
|
89.0
|
Ebrill 2011
|
91.3
|
88.4
|
88.9
|
Mai 2011
|
90.3
|
88.1
|
88.7
|
Mehefin 2011
|
89.9
|
88.7
|
89.3
|
Gorffennaf 2011
|
90.1
|
89.2
|
89.8
|
Awst 2011
|
91.5
|
90.4
|
90.9
|
Medi 2011
|
92.5
|
90.7
|
91.3
|
Hydref 2011
|
91.8
|
90.0
|
90.2
|
Tachwedd 2011
|
91.3
|
89.3
|
89.4
|
Rhagfyr 2011
|
90.5
|
89.2
|
89.0
|
Ionawr 2012
|
90.8
|
89.8
|
89.7
|
Chwefror 2012
|
91.0
|
90.2
|
90.4
|
Mawrth 2012
|
91.0
|
90.5
|
90.9
|
Ebrill 2012
|
90.8
|
90.2
|
90.7
|
Mai 2012
|
89.8
|
89.3
|
89.9
|
Mehefin 2012
|
90.6
|
90.1
|
90.9
|
Gorffennaf 2012
|
90.6
|
90.1
|
91.3
|
Awst 2012
|
91.0
|
90.7
|
92.1
|
Medi 2012
|
91.0
|
90.3
|
91.6
|
Hydref 2012
|
91.1
|
90.5
|
91.6
|
Tachwedd 2012
|
91.2
|
90.5
|
91.4
|
Rhagfyr 2012
|
91.4
|
90.8
|
91.5
|
Ionawr 2013
|
91.8
|
91.1
|
91.6
|
Chwefror 2013
|
91.8
|
91.1
|
91.5
|
Mawrth 2013
|
91.8
|
90.7
|
91.0
|
Ebrill 2013
|
91.0
|
89.9
|
90.4
|
Mai 2013
|
91.4
|
90.4
|
91.0
|
Mehefin 2013
|
91.4
|
91.0
|
91.8
|
Gorffennaf 2013
|
92.8
|
92.4
|
93.4
|
Awst 2013
|
93.7
|
93.4
|
94.5
|
Medi 2013
|
94.5
|
93.6
|
94.6
|
Hydref 2013
|
95.4
|
94.4
|
95.0
|
Tachwedd 2013
|
95.4
|
94.3
|
94.7
|
Rhagfyr 2013
|
95.4
|
95.0
|
95.2
|
Ionawr 2014
|
95.7
|
95.4
|
95.7
|
Chwefror 2014
|
95.2
|
95.0
|
95.3
|
Mawrth 2014
|
95.5
|
95.3
|
95.5
|
Ebrill 2014
|
95.0
|
95.1
|
95.4
|
Mai 2014
|
96.1
|
96.4
|
96.9
|
Mehefin 2014
|
97.0
|
97.4
|
98.0
|
Gorffennaf 2014
|
98.1
|
98.6
|
99.2
|
Awst 2014
|
99.6
|
100.1
|
100.7
|
Medi 2014
|
99.9
|
100.2
|
100.9
|
Hydref 2014
|
100.5
|
100.8
|
101.2
|
Tachwedd 2014
|
100.5
|
100.7
|
100.9
|
Rhagfyr 2014
|
100.6
|
100.6
|
100.7
|
Ionawr 2015
|
100.0
|
100.0
|
100.0
|
Chwefror 2015
|
99.9
|
99.8
|
99.9
|
Mawrth 2015
|
100.2
|
100.1
|
99.9
|
Ebrill 2015
|
101.0
|
100.7
|
100.7
|
Mai 2015
|
100.7
|
100.8
|
100.6
|
Mehefin 2015
|
101.4
|
101.8
|
101.8
|
Gorffennaf 2015
|
102.5
|
103.3
|
103.1
|
Awst 2015
|
104.8
|
105.4
|
105.4
|
Medi 2015
|
106.6
|
106.6
|
106.6
|
Hydref 2015
|
106.9
|
106.7
|
106.5
|
Tachwedd 2015
|
107.4
|
107.0
|
106.7
|
Rhagfyr 2015
|
106.7
|
106.7
|
106.2
|
Ionawr 2016
|
107.8
|
108.1
|
107.4
|
Chwefror 2016
|
107.7
|
108.1
|
107.2
|
Mawrth 2016
|
109.0
|
109.0
|
108.1
|
Ebrill 2016
|
109.1
|
109.3
|
108.6
|
Mai 2016
|
109.7
|
110.4
|
110.0
|
Mehefin 2016
|
110.8
|
111.9
|
111.7
|
Gorffennaf 2016
|
112.1
|
113.0
|
113.0
|
Awst 2016
|
113.4
|
114.1
|
114.0
|
Medi 2016
|
114.2
|
114.8
|
114.4
|
Hydref 2016
|
114.0
|
114.4
|
113.5
|
Tachwedd 2016
|
114.9
|
114.8
|
113.4
|
Rhagfyr 2016
|
115.9
|
115.4
|
114.0
|
Ionawr 2017
|
117.4
|
116.8
|
115.3
|
Chwefror 2017
|
117.1
|
116.7
|
115.6
|
Mawrth 2017
|
116.3
|
115.9
|
114.7
|
Ebrill 2017
|
116.5
|
116.2
|
115.1
|
Mai 2017
|
116.8
|
117.1
|
115.7
|
Mehefin 2017
|
118.2
|
119.0
|
117.9
|
Gorffennaf 2017
|
120.0
|
121.2
|
120.0
|
Awst 2017
|
121.8
|
122.9
|
122.1
|
Medi 2017
|
122.7
|
123.3
|
122.4
|
Hydref 2017
|
123.1
|
123.4
|
122.3
|
Tachwedd 2017
|
122.7
|
123.0
|
121.5
|
Rhagfyr 2017
|
123.5
|
124.2
|
122.7
|
Ionawr 2018
|
123.2
|
124.1
|
122.5
|
Chwefror 2018
|
124.2
|
124.8
|
123.3
|
Mawrth 2018
|
123.5
|
123.9
|
122.3
|
Ebrill 2018
|
124.6
|
125.2
|
123.8
|
Mai 2018
|
125.1
|
126.1
|
124.7
|
Mehefin 2018
|
125.7
|
126.9
|
125.3
|
Gorffennaf 2018
|
127.1
|
128.0
|
126.4
|
Awst 2018
|
127.8
|
128.5
|
126.9
|
Medi 2018
|
130.2
|
130.6
|
129.1
|
Hydref 2018
|
130.6
|
131.0
|
129.2
|
Tachwedd 2018
|
131.7
|
131.9
|
129.9
|
Rhagfyr 2018
|
132.0
|
132.4
|
130.3
|
Ionawr 2019
|
131.8
|
132.1
|
129.9
|
Chwefror 2019
|
132.5
|
132.7
|
130.2
|
Mawrth 2019
|
130.8
|
130.9
|
128.4
|
Ebrill 2019
|
130.7
|
131.2
|
129.0
|
Mai 2019
|
130.1
|
131.1
|
129.1
|
Mehefin 2019
|
130.8
|
132.1
|
130.1
|
Gorffennaf 2019
|
130.4
|
131.8
|
129.9
|
Awst 2019
|
131.2
|
132.4
|
130.8
|
Medi 2019
|
132.2
|
132.9
|
131.9
|
Hydref 2019
|
132.4
|
133.2
|
131.8
|
Tachwedd 2019
|
131.6
|
132.6
|
130.7
|
Rhagfyr 2019
|
131.5
|
132.8
|
130.5
|
Ionawr 2020
|
132.3
|
133.6
|
131.2
|
Chwefror 2020
|
132.2
|
133.3
|
131.1
|
Mawrth 2020
|
130.9
|
131.9
|
129.6
|
Ebrill 2020
|
130.2
|
130.7
|
128.7
|
Mai 2020
|
132.9
|
133.4
|
131.0
|
Mehefin 2020
|
133.4
|
134.3
|
131.9
|
Gorffennaf 2020
|
135.4
|
137.0
|
134.5
|
Awst 2020
|
135.1
|
136.5
|
134.3
|
Medi 2020
|
137.0
|
137.8
|
135.7
|
Hydref 2020
|
137.3
|
137.7
|
135.7
|
Tachwedd 2020
|
138.1
|
138.4
|
136.7
|
Rhagfyr 2020
|
140.0
|
140.4
|
139.0
|
Ionawr 2021
|
140.9
|
142.3
|
141.1
|
Chwefror 2021
|
142.3
|
144.9
|
144.1
|
Mawrth 2021
|
143.4
|
147.2
|
146.8
|
Ebrill 2021
|
143.9
|
147.6
|
147.6
|
Mai 2021
|
143.7
|
147.0
|
147.0
|
Mehefin 2021
|
146.5
|
149.9
|
150.7
|
Gorffennaf 2021
|
147.4
|
150.3
|
150.6
|
Awst 2021
|
148.9
|
151.6
|
151.3
|
Medi 2021
|
147.2
|
149.6
|
148.6
|
Hydref 2021
|
148.4
|
150.1
|
148.7
|
Tachwedd 2021
|
149.9
|
151.3
|
149.8
|
Rhagfyr 2021
|
151.4
|
152.2
|
150.2
|
Ionawr 2022
|
153.1
|
154.7
|
153.0
|
Statws y prynwr
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol yn ôl y math o brynwr e.e. Prynwr am y Tro Cyntaf neu Gyn Berchen-Feddiannydd
Dyddiad
|
Cyn berchen-feddianwyr
|
Ionawr 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
|
149908.0
|
Chwefror 2012
|
150745.0
|
Mawrth 2012
|
150310.0
|
Ebrill 2012
|
150001.0
|
Mai 2012
|
148587.0
|
Mehefin 2012
|
150071.0
|
Gorffennaf 2012
|
150277.0
|
Awst 2012
|
151229.0
|
Medi 2012
|
150608.0
|
Hydref 2012
|
150808.0
|
Tachwedd 2012
|
150664.0
|
Rhagfyr 2012
|
150981.0
|
Ionawr 2013
|
151222.0
|
Chwefror 2013
|
151179.0
|
Mawrth 2013
|
150609.0
|
Ebrill 2013
|
149436.0
|
Mai 2013
|
150361.0
|
Mehefin 2013
|
151242.0
|
Gorffennaf 2013
|
153634.0
|
Awst 2013
|
155290.0
|
Medi 2013
|
155766.0
|
Hydref 2013
|
156880.0
|
Tachwedd 2013
|
156556.0
|
Rhagfyr 2013
|
157305.0
|
Ionawr 2014
|
158001.0
|
Chwefror 2014
|
157150.0
|
Mawrth 2014
|
157482.0
|
Ebrill 2014
|
157104.0
|
Mai 2014
|
159350.0
|
Mehefin 2014
|
161033.0
|
Gorffennaf 2014
|
162775.0
|
Awst 2014
|
165106.0
|
Medi 2014
|
165386.0
|
Hydref 2014
|
166148.0
|
Tachwedd 2014
|
165951.0
|
Rhagfyr 2014
|
165867.0
|
Ionawr 2015
|
164890.0
|
Chwefror 2015
|
164872.0
|
Mawrth 2015
|
165342.0
|
Ebrill 2015
|
166353.0
|
Mai 2015
|
166194.0
|
Mehefin 2015
|
167584.0
|
Gorffennaf 2015
|
169809.0
|
Awst 2015
|
173419.0
|
Medi 2015
|
175692.0
|
Hydref 2015
|
175675.0
|
Tachwedd 2015
|
176177.0
|
Rhagfyr 2015
|
175282.0
|
Ionawr 2016
|
177340.0
|
Chwefror 2016
|
177028.0
|
Mawrth 2016
|
178875.0
|
Ebrill 2016
|
179258.0
|
Mai 2016
|
181173.0
|
Mehefin 2016
|
183467.0
|
Gorffennaf 2016
|
185607.0
|
Awst 2016
|
187387.0
|
Medi 2016
|
188577.0
|
Hydref 2016
|
187699.0
|
Tachwedd 2016
|
188297.0
|
Rhagfyr 2016
|
189519.0
|
Ionawr 2017
|
191710.0
|
Chwefror 2017
|
191802.0
|
Mawrth 2017
|
190532.0
|
Ebrill 2017
|
191059.0
|
Mai 2017
|
192185.0
|
Mehefin 2017
|
195498.0
|
Gorffennaf 2017
|
198885.0
|
Awst 2017
|
202027.0
|
Medi 2017
|
202748.0
|
Hydref 2017
|
202841.0
|
Tachwedd 2017
|
201742.0
|
Rhagfyr 2017
|
203436.0
|
Ionawr 2018
|
203143.0
|
Chwefror 2018
|
204235.0
|
Mawrth 2018
|
202723.0
|
Ebrill 2018
|
204683.0
|
Mai 2018
|
205967.0
|
Mehefin 2018
|
207127.0
|
Gorffennaf 2018
|
209077.0
|
Awst 2018
|
209944.0
|
Medi 2018
|
213630.0
|
Hydref 2018
|
213962.0
|
Tachwedd 2018
|
215330.0
|
Rhagfyr 2018
|
215911.0
|
Ionawr 2019
|
215406.0
|
Chwefror 2019
|
216206.0
|
Mawrth 2019
|
213104.0
|
Ebrill 2019
|
213545.0
|
Mai 2019
|
213278.0
|
Mehefin 2019
|
214849.0
|
Gorffennaf 2019
|
214472.0
|
Awst 2019
|
215729.0
|
Medi 2019
|
217150.0
|
Hydref 2019
|
217302.0
|
Tachwedd 2019
|
215717.0
|
Rhagfyr 2019
|
215284.0
|
Ionawr 2020
|
216481.0
|
Chwefror 2020
|
215945.0
|
Mawrth 2020
|
213687.0
|
Ebrill 2020
|
211690.0
|
Mai 2020
|
216085.0
|
Mehefin 2020
|
217168.0
|
Gorffennaf 2020
|
221404.0
|
Awst 2020
|
220601.0
|
Medi 2020
|
223134.0
|
Hydref 2020
|
222811.0
|
Tachwedd 2020
|
224016.0
|
Rhagfyr 2020
|
227259.0
|
Ionawr 2021
|
230413.0
|
Chwefror 2021
|
234635.0
|
Mawrth 2021
|
238683.0
|
Ebrill 2021
|
239550.0
|
Mai 2021
|
238575.0
|
Mehefin 2021
|
243538.0
|
Gorffennaf 2021
|
244012.0
|
Awst 2021
|
245561.0
|
Medi 2021
|
241714.0
|
Hydref 2021
|
242292.0
|
Tachwedd 2021
|
244256.0
|
Rhagfyr 2021
|
245498.0
|
Ionawr 2022
|
249213.0
|
Dyddiad
|
Cyn berchen-feddianwyr
|
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
|
0.9
|
Chwefror 2013
|
0.3
|
Mawrth 2013
|
0.2
|
Ebrill 2013
|
-0.4
|
Mai 2013
|
1.2
|
Mehefin 2013
|
0.8
|
Gorffennaf 2013
|
2.2
|
Awst 2013
|
2.7
|
Medi 2013
|
3.4
|
Hydref 2013
|
4.0
|
Tachwedd 2013
|
3.9
|
Rhagfyr 2013
|
4.2
|
Ionawr 2014
|
4.5
|
Chwefror 2014
|
4.0
|
Mawrth 2014
|
4.6
|
Ebrill 2014
|
5.1
|
Mai 2014
|
6.0
|
Mehefin 2014
|
6.5
|
Gorffennaf 2014
|
6.0
|
Awst 2014
|
6.3
|
Medi 2014
|
6.2
|
Hydref 2014
|
5.9
|
Tachwedd 2014
|
6.0
|
Rhagfyr 2014
|
5.4
|
Ionawr 2015
|
4.4
|
Chwefror 2015
|
4.9
|
Mawrth 2015
|
5.0
|
Ebrill 2015
|
5.9
|
Mai 2015
|
4.3
|
Mehefin 2015
|
4.1
|
Gorffennaf 2015
|
4.3
|
Awst 2015
|
5.0
|
Medi 2015
|
6.2
|
Hydref 2015
|
5.7
|
Tachwedd 2015
|
6.2
|
Rhagfyr 2015
|
5.7
|
Ionawr 2016
|
7.6
|
Chwefror 2016
|
7.4
|
Mawrth 2016
|
8.2
|
Ebrill 2016
|
7.8
|
Mai 2016
|
9.0
|
Mehefin 2016
|
9.5
|
Gorffennaf 2016
|
9.3
|
Awst 2016
|
8.0
|
Medi 2016
|
7.3
|
Hydref 2016
|
6.8
|
Tachwedd 2016
|
6.9
|
Rhagfyr 2016
|
8.1
|
Ionawr 2017
|
8.1
|
Chwefror 2017
|
8.4
|
Mawrth 2017
|
6.5
|
Ebrill 2017
|
6.4
|
Mai 2017
|
5.8
|
Mehefin 2017
|
6.6
|
Gorffennaf 2017
|
7.2
|
Awst 2017
|
7.8
|
Medi 2017
|
7.5
|
Hydref 2017
|
8.1
|
Tachwedd 2017
|
7.1
|
Rhagfyr 2017
|
7.3
|
Ionawr 2018
|
6.0
|
Chwefror 2018
|
6.5
|
Mawrth 2018
|
6.4
|
Ebrill 2018
|
7.1
|
Mai 2018
|
7.2
|
Mehefin 2018
|
6.0
|
Gorffennaf 2018
|
5.1
|
Awst 2018
|
3.9
|
Medi 2018
|
5.4
|
Hydref 2018
|
5.5
|
Tachwedd 2018
|
6.7
|
Rhagfyr 2018
|
6.1
|
Ionawr 2019
|
6.0
|
Chwefror 2019
|
5.9
|
Mawrth 2019
|
5.1
|
Ebrill 2019
|
4.3
|
Mai 2019
|
3.6
|
Mehefin 2019
|
3.7
|
Gorffennaf 2019
|
2.6
|
Awst 2019
|
2.8
|
Medi 2019
|
1.6
|
Hydref 2019
|
1.6
|
Tachwedd 2019
|
0.2
|
Rhagfyr 2019
|
-0.3
|
Ionawr 2020
|
0.5
|
Chwefror 2020
|
-0.1
|
Mawrth 2020
|
0.3
|
Ebrill 2020
|
-0.9
|
Mai 2020
|
1.3
|
Mehefin 2020
|
1.1
|
Gorffennaf 2020
|
3.2
|
Awst 2020
|
2.3
|
Medi 2020
|
2.8
|
Hydref 2020
|
2.5
|
Tachwedd 2020
|
3.8
|
Rhagfyr 2020
|
5.6
|
Ionawr 2021
|
6.4
|
Chwefror 2021
|
8.7
|
Mawrth 2021
|
11.7
|
Ebrill 2021
|
13.2
|
Mai 2021
|
10.4
|
Mehefin 2021
|
12.1
|
Gorffennaf 2021
|
10.2
|
Awst 2021
|
11.3
|
Medi 2021
|
8.3
|
Hydref 2021
|
8.7
|
Tachwedd 2021
|
9.0
|
Rhagfyr 2021
|
8.0
|
Ionawr 2022
|
8.2
|
Dyddiad
|
Cyn berchen-feddianwyr
|
Ionawr 2002
|
|
Chwefror 2002
|
|
Mawrth 2002
|
|
Ebrill 2002
|
|
Mai 2002
|
|
Mehefin 2002
|
|
Gorffennaf 2002
|
|
Awst 2002
|
|
Medi 2002
|
|
Hydref 2002
|
|
Tachwedd 2002
|
|
Rhagfyr 2002
|
|
Ionawr 2003
|
|
Chwefror 2003
|
|
Mawrth 2003
|
|
Ebrill 2003
|
|
Mai 2003
|
|
Mehefin 2003
|
|
Gorffennaf 2003
|
|
Awst 2003
|
|
Medi 2003
|
|
Hydref 2003
|
|
Tachwedd 2003
|
|
Rhagfyr 2003
|
|
Ionawr 2004
|
|
Chwefror 2004
|
|
Mawrth 2004
|
|
Ebrill 2004
|
|
Mai 2004
|
|
Mehefin 2004
|
|
Gorffennaf 2004
|
|
Awst 2004
|
|
Medi 2004
|
|
Hydref 2004
|
|
Tachwedd 2004
|
|
Rhagfyr 2004
|
|
Ionawr 2005
|
|
Chwefror 2005
|
|
Mawrth 2005
|
|
Ebrill 2005
|
|
Mai 2005
|
|
Mehefin 2005
|
|
Gorffennaf 2005
|
|
Awst 2005
|
|
Medi 2005
|
|
Hydref 2005
|
|
Tachwedd 2005
|
|
Rhagfyr 2005
|
|
Ionawr 2006
|
|
Chwefror 2006
|
|
Mawrth 2006
|
|
Ebrill 2006
|
|
Mai 2006
|
|
Mehefin 2006
|
|
Gorffennaf 2006
|
|
Awst 2006
|
|
Medi 2006
|
|
Hydref 2006
|
|
Tachwedd 2006
|
|
Rhagfyr 2006
|
|
Ionawr 2007
|
|
Chwefror 2007
|
|
Mawrth 2007
|
|
Ebrill 2007
|
|
Mai 2007
|
|
Mehefin 2007
|
|
Gorffennaf 2007
|
|
Awst 2007
|
|
Medi 2007
|
|
Hydref 2007
|
|
Tachwedd 2007
|
|
Rhagfyr 2007
|
|
Ionawr 2008
|
|
Chwefror 2008
|
|
Mawrth 2008
|
|
Ebrill 2008
|
|
Mai 2008
|
|
Mehefin 2008
|
|
Gorffennaf 2008
|
|
Awst 2008
|
|
Medi 2008
|
|
Hydref 2008
|
|
Tachwedd 2008
|
|
Rhagfyr 2008
|
|
Ionawr 2009
|
|
Chwefror 2009
|
|
Mawrth 2009
|
|
Ebrill 2009
|
|
Mai 2009
|
|
Mehefin 2009
|
|
Gorffennaf 2009
|
|
Awst 2009
|
|
Medi 2009
|
|
Hydref 2009
|
|
Tachwedd 2009
|
|
Rhagfyr 2009
|
|
Ionawr 2010
|
|
Chwefror 2010
|
|
Mawrth 2010
|
|
Ebrill 2010
|
|
Mai 2010
|
|
Mehefin 2010
|
|
Gorffennaf 2010
|
|
Awst 2010
|
|
Medi 2010
|
|
Hydref 2010
|
|
Tachwedd 2010
|
|
Rhagfyr 2010
|
|
Ionawr 2011
|
|
Chwefror 2011
|
|
Mawrth 2011
|
|
Ebrill 2011
|
|
Mai 2011
|
|
Mehefin 2011
|
|
Gorffennaf 2011
|
|
Awst 2011
|
|
Medi 2011
|
|
Hydref 2011
|
|
Tachwedd 2011
|
|
Rhagfyr 2011
|
|
Ionawr 2012
|
|
Chwefror 2012
|
0.6
|
Mawrth 2012
|
-0.3
|
Ebrill 2012
|
-0.2
|
Mai 2012
|
-0.9
|
Mehefin 2012
|
1.0
|
Gorffennaf 2012
|
0.1
|
Awst 2012
|
0.6
|
Medi 2012
|
-0.4
|
Hydref 2012
|
0.1
|
Tachwedd 2012
|
-0.1
|
Rhagfyr 2012
|
0.2
|
Ionawr 2013
|
0.2
|
Chwefror 2013
|
-0.0
|
Mawrth 2013
|
-0.4
|
Ebrill 2013
|
-0.8
|
Mai 2013
|
0.6
|
Mehefin 2013
|
0.6
|
Gorffennaf 2013
|
1.6
|
Awst 2013
|
1.1
|
Medi 2013
|
0.3
|
Hydref 2013
|
0.7
|
Tachwedd 2013
|
-0.2
|
Rhagfyr 2013
|
0.5
|
Ionawr 2014
|
0.4
|
Chwefror 2014
|
-0.5
|
Mawrth 2014
|
0.2
|
Ebrill 2014
|
-0.2
|
Mai 2014
|
1.4
|
Mehefin 2014
|
1.1
|
Gorffennaf 2014
|
1.1
|
Awst 2014
|
1.4
|
Medi 2014
|
0.2
|
Hydref 2014
|
0.5
|
Tachwedd 2014
|
-0.1
|
Rhagfyr 2014
|
-0.1
|
Ionawr 2015
|
-0.6
|
Chwefror 2015
|
-0.0
|
Mawrth 2015
|
0.3
|
Ebrill 2015
|
0.6
|
Mai 2015
|
-0.1
|
Mehefin 2015
|
0.8
|
Gorffennaf 2015
|
1.3
|
Awst 2015
|
2.1
|
Medi 2015
|
1.3
|
Hydref 2015
|
-0.0
|
Tachwedd 2015
|
0.3
|
Rhagfyr 2015
|
-0.5
|
Ionawr 2016
|
1.2
|
Chwefror 2016
|
-0.2
|
Mawrth 2016
|
1.0
|
Ebrill 2016
|
0.2
|
Mai 2016
|
1.1
|
Mehefin 2016
|
1.3
|
Gorffennaf 2016
|
1.2
|
Awst 2016
|
1.0
|
Medi 2016
|
0.6
|
Hydref 2016
|
-0.5
|
Tachwedd 2016
|
0.3
|
Rhagfyr 2016
|
0.6
|
Ionawr 2017
|
1.2
|
Chwefror 2017
|
0.1
|
Mawrth 2017
|
-0.7
|
Ebrill 2017
|
0.3
|
Mai 2017
|
0.6
|
Mehefin 2017
|
1.7
|
Gorffennaf 2017
|
1.7
|
Awst 2017
|
1.6
|
Medi 2017
|
0.4
|
Hydref 2017
|
0.1
|
Tachwedd 2017
|
-0.5
|
Rhagfyr 2017
|
0.8
|
Ionawr 2018
|
-0.1
|
Chwefror 2018
|
0.5
|
Mawrth 2018
|
-0.7
|
Ebrill 2018
|
1.0
|
Mai 2018
|
0.6
|
Mehefin 2018
|
0.6
|
Gorffennaf 2018
|
0.9
|
Awst 2018
|
0.4
|
Medi 2018
|
1.8
|
Hydref 2018
|
0.2
|
Tachwedd 2018
|
0.6
|
Rhagfyr 2018
|
0.3
|
Ionawr 2019
|
-0.2
|
Chwefror 2019
|
0.4
|
Mawrth 2019
|
-1.4
|
Ebrill 2019
|
0.2
|
Mai 2019
|
-0.1
|
Mehefin 2019
|
0.7
|
Gorffennaf 2019
|
-0.2
|
Awst 2019
|
0.6
|
Medi 2019
|
0.7
|
Hydref 2019
|
0.1
|
Tachwedd 2019
|
-0.7
|
Rhagfyr 2019
|
-0.2
|
Ionawr 2020
|
0.6
|
Chwefror 2020
|
-0.2
|
Mawrth 2020
|
-1.0
|
Ebrill 2020
|
-0.9
|
Mai 2020
|
2.1
|
Mehefin 2020
|
0.5
|
Gorffennaf 2020
|
2.0
|
Awst 2020
|
-0.4
|
Medi 2020
|
1.2
|
Hydref 2020
|
-0.1
|
Tachwedd 2020
|
0.5
|
Rhagfyr 2020
|
1.4
|
Ionawr 2021
|
1.4
|
Chwefror 2021
|
1.8
|
Mawrth 2021
|
1.7
|
Ebrill 2021
|
0.4
|
Mai 2021
|
-0.4
|
Mehefin 2021
|
2.1
|
Gorffennaf 2021
|
0.2
|
Awst 2021
|
0.6
|
Medi 2021
|
-1.6
|
Hydref 2021
|
0.2
|
Tachwedd 2021
|
0.8
|
Rhagfyr 2021
|
0.5
|
Ionawr 2022
|
1.5
|
Dyddiad
|
Cyn berchen-feddianwyr
|
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
|
90.9
|
Chwefror 2012
|
91.4
|
Mawrth 2012
|
91.2
|
Ebrill 2012
|
91.0
|
Mai 2012
|
90.1
|
Mehefin 2012
|
91.0
|
Gorffennaf 2012
|
91.1
|
Awst 2012
|
91.7
|
Medi 2012
|
91.3
|
Hydref 2012
|
91.5
|
Tachwedd 2012
|
91.4
|
Rhagfyr 2012
|
91.6
|
Ionawr 2013
|
91.7
|
Chwefror 2013
|
91.7
|
Mawrth 2013
|
91.3
|
Ebrill 2013
|
90.6
|
Mai 2013
|
91.2
|
Mehefin 2013
|
91.7
|
Gorffennaf 2013
|
93.2
|
Awst 2013
|
94.2
|
Medi 2013
|
94.5
|
Hydref 2013
|
95.1
|
Tachwedd 2013
|
95.0
|
Rhagfyr 2013
|
95.4
|
Ionawr 2014
|
95.8
|
Chwefror 2014
|
95.3
|
Mawrth 2014
|
95.5
|
Ebrill 2014
|
95.3
|
Mai 2014
|
96.6
|
Mehefin 2014
|
97.7
|
Gorffennaf 2014
|
98.7
|
Awst 2014
|
100.1
|
Medi 2014
|
100.3
|
Hydref 2014
|
100.8
|
Tachwedd 2014
|
100.6
|
Rhagfyr 2014
|
100.6
|
Ionawr 2015
|
100.0
|
Chwefror 2015
|
100.0
|
Mawrth 2015
|
100.3
|
Ebrill 2015
|
100.9
|
Mai 2015
|
100.8
|
Mehefin 2015
|
101.6
|
Gorffennaf 2015
|
103.0
|
Awst 2015
|
105.2
|
Medi 2015
|
106.6
|
Hydref 2015
|
106.5
|
Tachwedd 2015
|
106.8
|
Rhagfyr 2015
|
106.3
|
Ionawr 2016
|
107.6
|
Chwefror 2016
|
107.4
|
Mawrth 2016
|
108.5
|
Ebrill 2016
|
108.7
|
Mai 2016
|
109.9
|
Mehefin 2016
|
111.3
|
Gorffennaf 2016
|
112.6
|
Awst 2016
|
113.6
|
Medi 2016
|
114.4
|
Hydref 2016
|
113.8
|
Tachwedd 2016
|
114.2
|
Rhagfyr 2016
|
114.9
|
Ionawr 2017
|
116.3
|
Chwefror 2017
|
116.3
|
Mawrth 2017
|
115.6
|
Ebrill 2017
|
115.9
|
Mai 2017
|
116.6
|
Mehefin 2017
|
118.6
|
Gorffennaf 2017
|
120.6
|
Awst 2017
|
122.5
|
Medi 2017
|
123.0
|
Hydref 2017
|
123.0
|
Tachwedd 2017
|
122.4
|
Rhagfyr 2017
|
123.4
|
Ionawr 2018
|
123.2
|
Chwefror 2018
|
123.9
|
Mawrth 2018
|
122.9
|
Ebrill 2018
|
124.1
|
Mai 2018
|
124.9
|
Mehefin 2018
|
125.6
|
Gorffennaf 2018
|
126.8
|
Awst 2018
|
127.3
|
Medi 2018
|
129.6
|
Hydref 2018
|
129.8
|
Tachwedd 2018
|
130.6
|
Rhagfyr 2018
|
130.9
|
Ionawr 2019
|
130.6
|
Chwefror 2019
|
131.1
|
Mawrth 2019
|
129.2
|
Ebrill 2019
|
129.5
|
Mai 2019
|
129.4
|
Mehefin 2019
|
130.3
|
Gorffennaf 2019
|
130.1
|
Awst 2019
|
130.8
|
Medi 2019
|
131.7
|
Hydref 2019
|
131.8
|
Tachwedd 2019
|
130.8
|
Rhagfyr 2019
|
130.6
|
Ionawr 2020
|
131.3
|
Chwefror 2020
|
131.0
|
Mawrth 2020
|
129.6
|
Ebrill 2020
|
128.4
|
Mai 2020
|
131.0
|
Mehefin 2020
|
131.7
|
Gorffennaf 2020
|
134.3
|
Awst 2020
|
133.8
|
Medi 2020
|
135.3
|
Hydref 2020
|
135.1
|
Tachwedd 2020
|
135.9
|
Rhagfyr 2020
|
137.8
|
Ionawr 2021
|
139.7
|
Chwefror 2021
|
142.3
|
Mawrth 2021
|
144.8
|
Ebrill 2021
|
145.3
|
Mai 2021
|
144.7
|
Mehefin 2021
|
147.7
|
Gorffennaf 2021
|
148.0
|
Awst 2021
|
148.9
|
Medi 2021
|
146.6
|
Hydref 2021
|
146.9
|
Tachwedd 2021
|
148.1
|
Rhagfyr 2021
|
148.9
|
Ionawr 2022
|
151.1
|
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
Statws yr eiddo
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol a nifer y gwerthiannau yn ôl cyllido yn ôl statws yr eiddo, e.e. Newydd/Presennol
Dyddiad
|
Eiddo presennol
|
Ionawr 2002
|
71961.0
|
Chwefror 2002
|
72171.0
|
Mawrth 2002
|
73580.0
|
Ebrill 2002
|
75441.0
|
Mai 2002
|
77808.0
|
Mehefin 2002
|
79922.0
|
Gorffennaf 2002
|
82982.0
|
Awst 2002
|
85374.0
|
Medi 2002
|
87761.0
|
Hydref 2002
|
89232.0
|
Tachwedd 2002
|
91702.0
|
Rhagfyr 2002
|
93843.0
|
Ionawr 2003
|
96816.0
|
Chwefror 2003
|
98809.0
|
Mawrth 2003
|
100387.0
|
Ebrill 2003
|
102342.0
|
Mai 2003
|
103506.0
|
Mehefin 2003
|
105868.0
|
Gorffennaf 2003
|
106639.0
|
Awst 2003
|
109353.0
|
Medi 2003
|
110466.0
|
Hydref 2003
|
112199.0
|
Tachwedd 2003
|
113166.0
|
Rhagfyr 2003
|
115975.0
|
Ionawr 2004
|
117205.0
|
Chwefror 2004
|
117693.0
|
Mawrth 2004
|
117344.0
|
Ebrill 2004
|
119907.0
|
Mai 2004
|
122349.0
|
Mehefin 2004
|
124812.0
|
Gorffennaf 2004
|
126279.0
|
Awst 2004
|
128331.0
|
Medi 2004
|
129838.0
|
Hydref 2004
|
130927.0
|
Tachwedd 2004
|
131780.0
|
Rhagfyr 2004
|
131975.0
|
Ionawr 2005
|
130294.0
|
Chwefror 2005
|
129727.0
|
Mawrth 2005
|
129688.0
|
Ebrill 2005
|
131392.0
|
Mai 2005
|
131601.0
|
Mehefin 2005
|
132251.0
|
Gorffennaf 2005
|
133395.0
|
Awst 2005
|
134087.0
|
Medi 2005
|
134887.0
|
Hydref 2005
|
133774.0
|
Tachwedd 2005
|
134034.0
|
Rhagfyr 2005
|
134728.0
|
Ionawr 2006
|
135468.0
|
Chwefror 2006
|
135572.0
|
Mawrth 2006
|
134286.0
|
Ebrill 2006
|
135008.0
|
Mai 2006
|
136141.0
|
Mehefin 2006
|
137764.0
|
Gorffennaf 2006
|
137971.0
|
Awst 2006
|
138764.0
|
Medi 2006
|
139737.0
|
Hydref 2006
|
140843.0
|
Tachwedd 2006
|
141663.0
|
Rhagfyr 2006
|
141633.0
|
Ionawr 2007
|
142177.0
|
Chwefror 2007
|
142510.0
|
Mawrth 2007
|
143184.0
|
Ebrill 2007
|
145195.0
|
Mai 2007
|
145193.0
|
Mehefin 2007
|
145731.0
|
Gorffennaf 2007
|
145252.0
|
Awst 2007
|
146849.0
|
Medi 2007
|
147287.0
|
Hydref 2007
|
146958.0
|
Tachwedd 2007
|
145961.0
|
Rhagfyr 2007
|
146195.0
|
Ionawr 2008
|
146390.0
|
Chwefror 2008
|
146215.0
|
Mawrth 2008
|
144858.0
|
Ebrill 2008
|
143622.0
|
Mai 2008
|
143172.0
|
Mehefin 2008
|
142226.0
|
Gorffennaf 2008
|
140474.0
|
Awst 2008
|
137626.0
|
Medi 2008
|
136118.0
|
Hydref 2008
|
135144.0
|
Tachwedd 2008
|
133857.0
|
Rhagfyr 2008
|
130524.0
|
Ionawr 2009
|
127083.0
|
Chwefror 2009
|
124695.0
|
Mawrth 2009
|
123672.0
|
Ebrill 2009
|
122623.0
|
Mai 2009
|
121759.0
|
Mehefin 2009
|
121466.0
|
Gorffennaf 2009
|
123817.0
|
Awst 2009
|
125870.0
|
Medi 2009
|
128653.0
|
Hydref 2009
|
129796.0
|
Tachwedd 2009
|
130826.0
|
Rhagfyr 2009
|
132657.0
|
Ionawr 2010
|
130969.0
|
Chwefror 2010
|
131056.0
|
Mawrth 2010
|
129383.0
|
Ebrill 2010
|
131442.0
|
Mai 2010
|
132358.0
|
Mehefin 2010
|
133933.0
|
Gorffennaf 2010
|
135685.0
|
Awst 2010
|
136413.0
|
Medi 2010
|
137293.0
|
Hydref 2010
|
136278.0
|
Tachwedd 2010
|
135430.0
|
Rhagfyr 2010
|
133834.0
|
Ionawr 2011
|
132419.0
|
Chwefror 2011
|
130851.0
|
Mawrth 2011
|
128434.0
|
Ebrill 2011
|
128134.0
|
Mai 2011
|
127699.0
|
Mehefin 2011
|
128450.0
|
Gorffennaf 2011
|
129170.0
|
Awst 2011
|
130719.0
|
Medi 2011
|
131307.0
|
Hydref 2011
|
129936.0
|
Tachwedd 2011
|
129000.0
|
Rhagfyr 2011
|
128562.0
|
Ionawr 2012
|
129405.0
|
Chwefror 2012
|
130096.0
|
Mawrth 2012
|
130495.0
|
Ebrill 2012
|
130254.0
|
Mai 2012
|
129045.0
|
Mehefin 2012
|
130374.0
|
Gorffennaf 2012
|
130672.0
|
Awst 2012
|
131611.0
|
Medi 2012
|
131037.0
|
Hydref 2012
|
131080.0
|
Tachwedd 2012
|
130793.0
|
Rhagfyr 2012
|
130947.0
|
Ionawr 2013
|
131174.0
|
Chwefror 2013
|
131221.0
|
Mawrth 2013
|
130725.0
|
Ebrill 2013
|
129678.0
|
Mai 2013
|
130438.0
|
Mehefin 2013
|
131319.0
|
Gorffennaf 2013
|
133463.0
|
Awst 2013
|
134943.0
|
Medi 2013
|
135251.0
|
Hydref 2013
|
136116.0
|
Tachwedd 2013
|
135767.0
|
Rhagfyr 2013
|
136464.0
|
Ionawr 2014
|
137134.0
|
Chwefror 2014
|
136454.0
|
Mawrth 2014
|
136790.0
|
Ebrill 2014
|
136501.0
|
Mai 2014
|
138432.0
|
Mehefin 2014
|
139921.0
|
Gorffennaf 2014
|
141493.0
|
Awst 2014
|
143619.0
|
Medi 2014
|
143923.0
|
Hydref 2014
|
144586.0
|
Tachwedd 2014
|
144396.0
|
Rhagfyr 2014
|
144259.0
|
Ionawr 2015
|
143305.0
|
Chwefror 2015
|
143180.0
|
Mawrth 2015
|
143458.0
|
Ebrill 2015
|
144338.0
|
Mai 2015
|
144246.0
|
Mehefin 2015
|
145598.0
|
Gorffennaf 2015
|
147560.0
|
Awst 2015
|
150702.0
|
Medi 2015
|
152540.0
|
Hydref 2015
|
152478.0
|
Tachwedd 2015
|
152854.0
|
Rhagfyr 2015
|
152102.0
|
Ionawr 2016
|
153894.0
|
Chwefror 2016
|
153702.0
|
Mawrth 2016
|
155350.0
|
Ebrill 2016
|
155744.0
|
Mai 2016
|
157443.0
|
Mehefin 2016
|
159525.0
|
Gorffennaf 2016
|
161420.0
|
Awst 2016
|
162946.0
|
Medi 2016
|
163868.0
|
Hydref 2016
|
162942.0
|
Tachwedd 2016
|
163307.0
|
Rhagfyr 2016
|
164369.0
|
Ionawr 2017
|
166208.0
|
Chwefror 2017
|
166403.0
|
Mawrth 2017
|
165259.0
|
Ebrill 2017
|
165859.0
|
Mai 2017
|
166917.0
|
Mehefin 2017
|
169948.0
|
Gorffennaf 2017
|
172924.0
|
Awst 2017
|
175550.0
|
Medi 2017
|
176036.0
|
Hydref 2017
|
175999.0
|
Tachwedd 2017
|
175045.0
|
Rhagfyr 2017
|
176570.0
|
Ionawr 2018
|
176284.0
|
Chwefror 2018
|
177066.0
|
Mawrth 2018
|
175680.0
|
Ebrill 2018
|
177405.0
|
Mai 2018
|
178644.0
|
Mehefin 2018
|
179616.0
|
Gorffennaf 2018
|
181256.0
|
Awst 2018
|
181928.0
|
Medi 2018
|
185057.0
|
Hydref 2018
|
185308.0
|
Tachwedd 2018
|
186481.0
|
Rhagfyr 2018
|
187106.0
|
Ionawr 2019
|
186587.0
|
Chwefror 2019
|
187149.0
|
Mawrth 2019
|
184322.0
|
Ebrill 2019
|
184815.0
|
Mai 2019
|
184714.0
|
Mehefin 2019
|
186163.0
|
Gorffennaf 2019
|
185803.0
|
Awst 2019
|
186849.0
|
Medi 2019
|
188032.0
|
Hydref 2019
|
188115.0
|
Tachwedd 2019
|
186819.0
|
Rhagfyr 2019
|
186640.0
|
Ionawr 2020
|
187542.0
|
Chwefror 2020
|
187181.0
|
Mawrth 2020
|
185026.0
|
Ebrill 2020
|
183324.0
|
Mai 2020
|
186781.0
|
Mehefin 2020
|
187967.0
|
Gorffennaf 2020
|
191825.0
|
Awst 2020
|
191235.0
|
Medi 2020
|
193167.0
|
Hydref 2020
|
193036.0
|
Tachwedd 2020
|
194395.0
|
Rhagfyr 2020
|
197475.0
|
Ionawr 2021
|
200556.0
|
Chwefror 2021
|
204557.0
|
Mawrth 2021
|
208327.0
|
Ebrill 2021
|
209041.0
|
Mai 2021
|
208162.0
|
Mehefin 2021
|
212922.0
|
Gorffennaf 2021
|
213187.0
|
Awst 2021
|
214566.0
|
Medi 2021
|
211076.0
|
Hydref 2021
|
211674.0
|
Tachwedd 2021
|
213205.0
|
Rhagfyr 2021
|
214201.0
|
Ionawr 2022
|
217589.0
|
Dyddiad
|
Eiddo presennol
|
Ionawr 2002
|
13.6
|
Chwefror 2002
|
12.5
|
Mawrth 2002
|
13.7
|
Ebrill 2002
|
13.7
|
Mai 2002
|
15.2
|
Mehefin 2002
|
16.3
|
Gorffennaf 2002
|
19.6
|
Awst 2002
|
20.8
|
Medi 2002
|
22.7
|
Hydref 2002
|
24.1
|
Tachwedd 2002
|
27.5
|
Rhagfyr 2002
|
30.2
|
Ionawr 2003
|
34.5
|
Chwefror 2003
|
36.9
|
Mawrth 2003
|
36.4
|
Ebrill 2003
|
35.7
|
Mai 2003
|
33.0
|
Mehefin 2003
|
32.5
|
Gorffennaf 2003
|
28.5
|
Awst 2003
|
28.1
|
Medi 2003
|
25.9
|
Hydref 2003
|
25.7
|
Tachwedd 2003
|
23.4
|
Rhagfyr 2003
|
23.6
|
Ionawr 2004
|
21.1
|
Chwefror 2004
|
19.1
|
Mawrth 2004
|
16.9
|
Ebrill 2004
|
17.2
|
Mai 2004
|
18.2
|
Mehefin 2004
|
17.9
|
Gorffennaf 2004
|
18.4
|
Awst 2004
|
17.4
|
Medi 2004
|
17.5
|
Hydref 2004
|
16.7
|
Tachwedd 2004
|
16.4
|
Rhagfyr 2004
|
13.8
|
Ionawr 2005
|
11.2
|
Chwefror 2005
|
10.2
|
Mawrth 2005
|
10.5
|
Ebrill 2005
|
9.6
|
Mai 2005
|
7.6
|
Mehefin 2005
|
6.0
|
Gorffennaf 2005
|
5.6
|
Awst 2005
|
4.5
|
Medi 2005
|
3.9
|
Hydref 2005
|
2.2
|
Tachwedd 2005
|
1.7
|
Rhagfyr 2005
|
2.1
|
Ionawr 2006
|
4.0
|
Chwefror 2006
|
4.5
|
Mawrth 2006
|
3.5
|
Ebrill 2006
|
2.8
|
Mai 2006
|
3.4
|
Mehefin 2006
|
4.2
|
Gorffennaf 2006
|
3.4
|
Awst 2006
|
3.5
|
Medi 2006
|
3.6
|
Hydref 2006
|
5.3
|
Tachwedd 2006
|
5.7
|
Rhagfyr 2006
|
5.1
|
Ionawr 2007
|
5.0
|
Chwefror 2007
|
5.1
|
Mawrth 2007
|
6.6
|
Ebrill 2007
|
7.6
|
Mai 2007
|
6.6
|
Mehefin 2007
|
5.8
|
Gorffennaf 2007
|
5.3
|
Awst 2007
|
5.8
|
Medi 2007
|
5.4
|
Hydref 2007
|
4.3
|
Tachwedd 2007
|
3.0
|
Rhagfyr 2007
|
3.2
|
Ionawr 2008
|
3.0
|
Chwefror 2008
|
2.6
|
Mawrth 2008
|
1.2
|
Ebrill 2008
|
-1.1
|
Mai 2008
|
-1.4
|
Mehefin 2008
|
-2.4
|
Gorffennaf 2008
|
-3.3
|
Awst 2008
|
-6.3
|
Medi 2008
|
-7.6
|
Hydref 2008
|
-8.0
|
Tachwedd 2008
|
-8.3
|
Rhagfyr 2008
|
-10.7
|
Ionawr 2009
|
-13.2
|
Chwefror 2009
|
-14.7
|
Mawrth 2009
|
-14.6
|
Ebrill 2009
|
-14.6
|
Mai 2009
|
-15.0
|
Mehefin 2009
|
-14.6
|
Gorffennaf 2009
|
-11.9
|
Awst 2009
|
-8.5
|
Medi 2009
|
-5.5
|
Hydref 2009
|
-4.0
|
Tachwedd 2009
|
-2.3
|
Rhagfyr 2009
|
1.6
|
Ionawr 2010
|
3.1
|
Chwefror 2010
|
5.1
|
Mawrth 2010
|
4.6
|
Ebrill 2010
|
7.2
|
Mai 2010
|
8.7
|
Mehefin 2010
|
10.3
|
Gorffennaf 2010
|
9.6
|
Awst 2010
|
8.4
|
Medi 2010
|
6.7
|
Hydref 2010
|
5.0
|
Tachwedd 2010
|
3.5
|
Rhagfyr 2010
|
0.9
|
Ionawr 2011
|
1.1
|
Chwefror 2011
|
-0.2
|
Mawrth 2011
|
-0.7
|
Ebrill 2011
|
-2.5
|
Mai 2011
|
-3.5
|
Mehefin 2011
|
-4.1
|
Gorffennaf 2011
|
-4.8
|
Awst 2011
|
-4.2
|
Medi 2011
|
-4.4
|
Hydref 2011
|
-4.6
|
Tachwedd 2011
|
-4.8
|
Rhagfyr 2011
|
-3.9
|
Ionawr 2012
|
-2.3
|
Chwefror 2012
|
-0.6
|
Mawrth 2012
|
1.6
|
Ebrill 2012
|
1.6
|
Mai 2012
|
1.0
|
Mehefin 2012
|
1.5
|
Gorffennaf 2012
|
1.2
|
Awst 2012
|
0.7
|
Medi 2012
|
-0.2
|
Hydref 2012
|
0.9
|
Tachwedd 2012
|
1.4
|
Rhagfyr 2012
|
1.9
|
Ionawr 2013
|
1.4
|
Chwefror 2013
|
0.9
|
Mawrth 2013
|
0.2
|
Ebrill 2013
|
-0.4
|
Mai 2013
|
1.1
|
Mehefin 2013
|
0.7
|
Gorffennaf 2013
|
2.1
|
Awst 2013
|
2.5
|
Medi 2013
|
3.2
|
Hydref 2013
|
3.8
|
Tachwedd 2013
|
3.8
|
Rhagfyr 2013
|
4.2
|
Ionawr 2014
|
4.5
|
Chwefror 2014
|
4.0
|
Mawrth 2014
|
4.6
|
Ebrill 2014
|
5.3
|
Mai 2014
|
6.1
|
Mehefin 2014
|
6.6
|
Gorffennaf 2014
|
6.0
|
Awst 2014
|
6.4
|
Medi 2014
|
6.4
|
Hydref 2014
|
6.2
|
Tachwedd 2014
|
6.4
|
Rhagfyr 2014
|
5.7
|
Ionawr 2015
|
4.5
|
Chwefror 2015
|
4.9
|
Mawrth 2015
|
4.9
|
Ebrill 2015
|
5.7
|
Mai 2015
|
4.2
|
Mehefin 2015
|
4.1
|
Gorffennaf 2015
|
4.3
|
Awst 2015
|
4.9
|
Medi 2015
|
6.0
|
Hydref 2015
|
5.5
|
Tachwedd 2015
|
5.9
|
Rhagfyr 2015
|
5.4
|
Ionawr 2016
|
7.4
|
Chwefror 2016
|
7.4
|
Mawrth 2016
|
8.3
|
Ebrill 2016
|
7.9
|
Mai 2016
|
9.2
|
Mehefin 2016
|
9.6
|
Gorffennaf 2016
|
9.4
|
Awst 2016
|
8.1
|
Medi 2016
|
7.4
|
Hydref 2016
|
6.9
|
Tachwedd 2016
|
6.8
|
Rhagfyr 2016
|
8.1
|
Ionawr 2017
|
8.0
|
Chwefror 2017
|
8.3
|
Mawrth 2017
|
6.4
|
Ebrill 2017
|
6.3
|
Mai 2017
|
5.7
|
Mehefin 2017
|
6.5
|
Gorffennaf 2017
|
7.1
|
Awst 2017
|
7.7
|
Medi 2017
|
7.4
|
Hydref 2017
|
8.0
|
Tachwedd 2017
|
7.2
|
Rhagfyr 2017
|
7.4
|
Ionawr 2018
|
6.1
|
Chwefror 2018
|
6.4
|
Mawrth 2018
|
6.3
|
Ebrill 2018
|
7.0
|
Mai 2018
|
7.0
|
Mehefin 2018
|
5.7
|
Gorffennaf 2018
|
4.8
|
Awst 2018
|
3.6
|
Medi 2018
|
5.1
|
Hydref 2018
|
5.3
|
Tachwedd 2018
|
6.5
|
Rhagfyr 2018
|
6.0
|
Ionawr 2019
|
5.8
|
Chwefror 2019
|
5.7
|
Mawrth 2019
|
4.9
|
Ebrill 2019
|
4.2
|
Mai 2019
|
3.4
|
Mehefin 2019
|
3.6
|
Gorffennaf 2019
|
2.5
|
Awst 2019
|
2.7
|
Medi 2019
|
1.6
|
Hydref 2019
|
1.5
|
Tachwedd 2019
|
0.2
|
Rhagfyr 2019
|
-0.2
|
Ionawr 2020
|
0.5
|
Chwefror 2020
|
0.0
|
Mawrth 2020
|
0.4
|
Ebrill 2020
|
-0.8
|
Mai 2020
|
1.1
|
Mehefin 2020
|
1.0
|
Gorffennaf 2020
|
3.2
|
Awst 2020
|
2.4
|
Medi 2020
|
2.7
|
Hydref 2020
|
2.6
|
Tachwedd 2020
|
4.1
|
Rhagfyr 2020
|
5.8
|
Ionawr 2021
|
6.9
|
Chwefror 2021
|
9.3
|
Mawrth 2021
|
12.6
|
Ebrill 2021
|
14.0
|
Mai 2021
|
11.4
|
Mehefin 2021
|
13.3
|
Gorffennaf 2021
|
11.1
|
Awst 2021
|
12.2
|
Medi 2021
|
9.3
|
Hydref 2021
|
9.7
|
Tachwedd 2021
|
9.7
|
Rhagfyr 2021
|
8.5
|
Ionawr 2022
|
8.5
|
Dyddiad
|
Eiddo presennol
|
Ionawr 2002
|
-0.2
|
Chwefror 2002
|
0.3
|
Mawrth 2002
|
2.0
|
Ebrill 2002
|
2.5
|
Mai 2002
|
3.1
|
Mehefin 2002
|
2.7
|
Gorffennaf 2002
|
3.8
|
Awst 2002
|
2.9
|
Medi 2002
|
2.8
|
Hydref 2002
|
1.7
|
Tachwedd 2002
|
2.8
|
Rhagfyr 2002
|
2.3
|
Ionawr 2003
|
3.2
|
Chwefror 2003
|
2.1
|
Mawrth 2003
|
1.6
|
Ebrill 2003
|
2.0
|
Mai 2003
|
1.1
|
Mehefin 2003
|
2.3
|
Gorffennaf 2003
|
0.7
|
Awst 2003
|
2.6
|
Medi 2003
|
1.0
|
Hydref 2003
|
1.6
|
Tachwedd 2003
|
0.9
|
Rhagfyr 2003
|
2.5
|
Ionawr 2004
|
1.1
|
Chwefror 2004
|
0.4
|
Mawrth 2004
|
-0.3
|
Ebrill 2004
|
2.2
|
Mai 2004
|
2.0
|
Mehefin 2004
|
2.0
|
Gorffennaf 2004
|
1.2
|
Awst 2004
|
1.6
|
Medi 2004
|
1.2
|
Hydref 2004
|
0.8
|
Tachwedd 2004
|
0.6
|
Rhagfyr 2004
|
0.2
|
Ionawr 2005
|
-1.3
|
Chwefror 2005
|
-0.4
|
Mawrth 2005
|
-0.0
|
Ebrill 2005
|
1.3
|
Mai 2005
|
0.2
|
Mehefin 2005
|
0.5
|
Gorffennaf 2005
|
0.9
|
Awst 2005
|
0.5
|
Medi 2005
|
0.6
|
Hydref 2005
|
-0.8
|
Tachwedd 2005
|
0.2
|
Rhagfyr 2005
|
0.5
|
Ionawr 2006
|
0.6
|
Chwefror 2006
|
0.1
|
Mawrth 2006
|
-1.0
|
Ebrill 2006
|
0.5
|
Mai 2006
|
0.8
|
Mehefin 2006
|
1.2
|
Gorffennaf 2006
|
0.2
|
Awst 2006
|
0.6
|
Medi 2006
|
0.7
|
Hydref 2006
|
0.8
|
Tachwedd 2006
|
0.6
|
Rhagfyr 2006
|
-0.0
|
Ionawr 2007
|
0.4
|
Chwefror 2007
|
0.2
|
Mawrth 2007
|
0.5
|
Ebrill 2007
|
1.4
|
Mai 2007
|
0.0
|
Mehefin 2007
|
0.4
|
Gorffennaf 2007
|
-0.3
|
Awst 2007
|
1.1
|
Medi 2007
|
0.3
|
Hydref 2007
|
-0.2
|
Tachwedd 2007
|
-0.7
|
Rhagfyr 2007
|
0.2
|
Ionawr 2008
|
0.1
|
Chwefror 2008
|
-0.1
|
Mawrth 2008
|
-0.9
|
Ebrill 2008
|
-0.8
|
Mai 2008
|
-0.3
|
Mehefin 2008
|
-0.7
|
Gorffennaf 2008
|
-1.2
|
Awst 2008
|
-2.0
|
Medi 2008
|
-1.1
|
Hydref 2008
|
-0.7
|
Tachwedd 2008
|
-1.0
|
Rhagfyr 2008
|
-2.5
|
Ionawr 2009
|
-2.6
|
Chwefror 2009
|
-1.9
|
Mawrth 2009
|
-0.8
|
Ebrill 2009
|
-0.8
|
Mai 2009
|
-0.7
|
Mehefin 2009
|
-0.2
|
Gorffennaf 2009
|
1.9
|
Awst 2009
|
1.7
|
Medi 2009
|
2.2
|
Hydref 2009
|
0.9
|
Tachwedd 2009
|
0.8
|
Rhagfyr 2009
|
1.4
|
Ionawr 2010
|
-1.3
|
Chwefror 2010
|
0.1
|
Mawrth 2010
|
-1.3
|
Ebrill 2010
|
1.6
|
Mai 2010
|
0.7
|
Mehefin 2010
|
1.2
|
Gorffennaf 2010
|
1.3
|
Awst 2010
|
0.5
|
Medi 2010
|
0.6
|
Hydref 2010
|
-0.7
|
Tachwedd 2010
|
-0.6
|
Rhagfyr 2010
|
-1.2
|
Ionawr 2011
|
-1.1
|
Chwefror 2011
|
-1.2
|
Mawrth 2011
|
-1.8
|
Ebrill 2011
|
-0.2
|
Mai 2011
|
-0.3
|
Mehefin 2011
|
0.6
|
Gorffennaf 2011
|
0.6
|
Awst 2011
|
1.2
|
Medi 2011
|
0.4
|
Hydref 2011
|
-1.0
|
Tachwedd 2011
|
-0.7
|
Rhagfyr 2011
|
-0.3
|
Ionawr 2012
|
0.7
|
Chwefror 2012
|
0.5
|
Mawrth 2012
|
0.3
|
Ebrill 2012
|
-0.2
|
Mai 2012
|
-0.9
|
Mehefin 2012
|
1.0
|
Gorffennaf 2012
|
0.2
|
Awst 2012
|
0.7
|
Medi 2012
|
-0.4
|
Hydref 2012
|
0.0
|
Tachwedd 2012
|
-0.2
|
Rhagfyr 2012
|
0.1
|
Ionawr 2013
|
0.2
|
Chwefror 2013
|
0.0
|
Mawrth 2013
|
-0.4
|
Ebrill 2013
|
-0.8
|
Mai 2013
|
0.6
|
Mehefin 2013
|
0.7
|
Gorffennaf 2013
|
1.6
|
Awst 2013
|
1.1
|
Medi 2013
|
0.2
|
Hydref 2013
|
0.6
|
Tachwedd 2013
|
-0.3
|
Rhagfyr 2013
|
0.5
|
Ionawr 2014
|
0.5
|
Chwefror 2014
|
-0.5
|
Mawrth 2014
|
0.2
|
Ebrill 2014
|
-0.2
|
Mai 2014
|
1.4
|
Mehefin 2014
|
1.1
|
Gorffennaf 2014
|
1.1
|
Awst 2014
|
1.5
|
Medi 2014
|
0.2
|
Hydref 2014
|
0.5
|
Tachwedd 2014
|
-0.1
|
Rhagfyr 2014
|
-0.1
|
Ionawr 2015
|
-0.7
|
Chwefror 2015
|
-0.1
|
Mawrth 2015
|
0.2
|
Ebrill 2015
|
0.6
|
Mai 2015
|
-0.1
|
Mehefin 2015
|
0.9
|
Gorffennaf 2015
|
1.4
|
Awst 2015
|
2.1
|
Medi 2015
|
1.2
|
Hydref 2015
|
-0.0
|
Tachwedd 2015
|
0.2
|
Rhagfyr 2015
|
-0.5
|
Ionawr 2016
|
1.2
|
Chwefror 2016
|
-0.1
|
Mawrth 2016
|
1.1
|
Ebrill 2016
|
0.2
|
Mai 2016
|
1.1
|
Mehefin 2016
|
1.3
|
Gorffennaf 2016
|
1.2
|
Awst 2016
|
1.0
|
Medi 2016
|
0.6
|
Hydref 2016
|
-0.6
|
Tachwedd 2016
|
0.2
|
Rhagfyr 2016
|
0.6
|
Ionawr 2017
|
1.1
|
Chwefror 2017
|
0.1
|
Mawrth 2017
|
-0.7
|
Ebrill 2017
|
0.4
|
Mai 2017
|
0.6
|
Mehefin 2017
|
1.8
|
Gorffennaf 2017
|
1.8
|
Awst 2017
|
1.5
|
Medi 2017
|
0.3
|
Hydref 2017
|
-0.0
|
Tachwedd 2017
|
-0.5
|
Rhagfyr 2017
|
0.9
|
Ionawr 2018
|
-0.2
|
Chwefror 2018
|
0.4
|
Mawrth 2018
|
-0.8
|
Ebrill 2018
|
1.0
|
Mai 2018
|
0.7
|
Mehefin 2018
|
0.5
|
Gorffennaf 2018
|
0.9
|
Awst 2018
|
0.4
|
Medi 2018
|
1.7
|
Hydref 2018
|
0.1
|
Tachwedd 2018
|
0.6
|
Rhagfyr 2018
|
0.3
|
Ionawr 2019
|
-0.3
|
Chwefror 2019
|
0.3
|
Mawrth 2019
|
-1.5
|
Ebrill 2019
|
0.3
|
Mai 2019
|
-0.1
|
Mehefin 2019
|
0.8
|
Gorffennaf 2019
|
-0.2
|
Awst 2019
|
0.6
|
Medi 2019
|
0.6
|
Hydref 2019
|
0.0
|
Tachwedd 2019
|
-0.7
|
Rhagfyr 2019
|
-0.1
|
Ionawr 2020
|
0.5
|
Chwefror 2020
|
-0.2
|
Mawrth 2020
|
-1.2
|
Ebrill 2020
|
-0.9
|
Mai 2020
|
1.9
|
Mehefin 2020
|
0.6
|
Gorffennaf 2020
|
2.0
|
Awst 2020
|
-0.3
|
Medi 2020
|
1.0
|
Hydref 2020
|
-0.1
|
Tachwedd 2020
|
0.7
|
Rhagfyr 2020
|
1.6
|
Ionawr 2021
|
1.6
|
Chwefror 2021
|
2.0
|
Mawrth 2021
|
1.8
|
Ebrill 2021
|
0.3
|
Mai 2021
|
-0.4
|
Mehefin 2021
|
2.3
|
Gorffennaf 2021
|
0.1
|
Awst 2021
|
0.6
|
Medi 2021
|
-1.6
|
Hydref 2021
|
0.3
|
Tachwedd 2021
|
0.7
|
Rhagfyr 2021
|
0.5
|
Ionawr 2022
|
1.6
|
Dyddiad
|
Eiddo presennol
|
Ionawr 2002
|
50.2
|
Chwefror 2002
|
50.4
|
Mawrth 2002
|
51.4
|
Ebrill 2002
|
52.6
|
Mai 2002
|
54.3
|
Mehefin 2002
|
55.8
|
Gorffennaf 2002
|
57.9
|
Awst 2002
|
59.6
|
Medi 2002
|
61.2
|
Hydref 2002
|
62.3
|
Tachwedd 2002
|
64.0
|
Rhagfyr 2002
|
65.5
|
Ionawr 2003
|
67.6
|
Chwefror 2003
|
69.0
|
Mawrth 2003
|
70.0
|
Ebrill 2003
|
71.4
|
Mai 2003
|
72.2
|
Mehefin 2003
|
73.9
|
Gorffennaf 2003
|
74.4
|
Awst 2003
|
76.3
|
Medi 2003
|
77.1
|
Hydref 2003
|
78.3
|
Tachwedd 2003
|
79.0
|
Rhagfyr 2003
|
80.9
|
Ionawr 2004
|
81.8
|
Chwefror 2004
|
82.1
|
Mawrth 2004
|
81.9
|
Ebrill 2004
|
83.7
|
Mai 2004
|
85.4
|
Mehefin 2004
|
87.1
|
Gorffennaf 2004
|
88.1
|
Awst 2004
|
89.6
|
Medi 2004
|
90.6
|
Hydref 2004
|
91.4
|
Tachwedd 2004
|
92.0
|
Rhagfyr 2004
|
92.1
|
Ionawr 2005
|
90.9
|
Chwefror 2005
|
90.5
|
Mawrth 2005
|
90.5
|
Ebrill 2005
|
91.7
|
Mai 2005
|
91.8
|
Mehefin 2005
|
92.3
|
Gorffennaf 2005
|
93.1
|
Awst 2005
|
93.6
|
Medi 2005
|
94.1
|
Hydref 2005
|
93.4
|
Tachwedd 2005
|
93.5
|
Rhagfyr 2005
|
94.0
|
Ionawr 2006
|
94.5
|
Chwefror 2006
|
94.6
|
Mawrth 2006
|
93.7
|
Ebrill 2006
|
94.2
|
Mai 2006
|
95.0
|
Mehefin 2006
|
96.1
|
Gorffennaf 2006
|
96.3
|
Awst 2006
|
96.8
|
Medi 2006
|
97.5
|
Hydref 2006
|
98.3
|
Tachwedd 2006
|
98.8
|
Rhagfyr 2006
|
98.8
|
Ionawr 2007
|
99.2
|
Chwefror 2007
|
99.4
|
Mawrth 2007
|
99.9
|
Ebrill 2007
|
101.3
|
Mai 2007
|
101.3
|
Mehefin 2007
|
101.7
|
Gorffennaf 2007
|
101.4
|
Awst 2007
|
102.5
|
Medi 2007
|
102.8
|
Hydref 2007
|
102.6
|
Tachwedd 2007
|
101.8
|
Rhagfyr 2007
|
102.0
|
Ionawr 2008
|
102.2
|
Chwefror 2008
|
102.0
|
Mawrth 2008
|
101.1
|
Ebrill 2008
|
100.2
|
Mai 2008
|
99.9
|
Mehefin 2008
|
99.2
|
Gorffennaf 2008
|
98.0
|
Awst 2008
|
96.0
|
Medi 2008
|
95.0
|
Hydref 2008
|
94.3
|
Tachwedd 2008
|
93.4
|
Rhagfyr 2008
|
91.1
|
Ionawr 2009
|
88.7
|
Chwefror 2009
|
87.0
|
Mawrth 2009
|
86.3
|
Ebrill 2009
|
85.6
|
Mai 2009
|
85.0
|
Mehefin 2009
|
84.8
|
Gorffennaf 2009
|
86.4
|
Awst 2009
|
87.8
|
Medi 2009
|
89.8
|
Hydref 2009
|
90.6
|
Tachwedd 2009
|
91.3
|
Rhagfyr 2009
|
92.6
|
Ionawr 2010
|
91.4
|
Chwefror 2010
|
91.4
|
Mawrth 2010
|
90.3
|
Ebrill 2010
|
91.7
|
Mai 2010
|
92.4
|
Mehefin 2010
|
93.5
|
Gorffennaf 2010
|
94.7
|
Awst 2010
|
95.2
|
Medi 2010
|
95.8
|
Hydref 2010
|
95.1
|
Tachwedd 2010
|
94.5
|
Rhagfyr 2010
|
93.4
|
Ionawr 2011
|
92.4
|
Chwefror 2011
|
91.3
|
Mawrth 2011
|
89.6
|
Ebrill 2011
|
89.4
|
Mai 2011
|
89.1
|
Mehefin 2011
|
89.6
|
Gorffennaf 2011
|
90.1
|
Awst 2011
|
91.2
|
Medi 2011
|
91.6
|
Hydref 2011
|
90.7
|
Tachwedd 2011
|
90.0
|
Rhagfyr 2011
|
89.7
|
Ionawr 2012
|
90.3
|
Chwefror 2012
|
90.8
|
Mawrth 2012
|
91.1
|
Ebrill 2012
|
90.9
|
Mai 2012
|
90.0
|
Mehefin 2012
|
91.0
|
Gorffennaf 2012
|
91.2
|
Awst 2012
|
91.8
|
Medi 2012
|
91.4
|
Hydref 2012
|
91.5
|
Tachwedd 2012
|
91.3
|
Rhagfyr 2012
|
91.4
|
Ionawr 2013
|
91.5
|
Chwefror 2013
|
91.6
|
Mawrth 2013
|
91.2
|
Ebrill 2013
|
90.5
|
Mai 2013
|
91.0
|
Mehefin 2013
|
91.6
|
Gorffennaf 2013
|
93.1
|
Awst 2013
|
94.2
|
Medi 2013
|
94.4
|
Hydref 2013
|
95.0
|
Tachwedd 2013
|
94.7
|
Rhagfyr 2013
|
95.2
|
Ionawr 2014
|
95.7
|
Chwefror 2014
|
95.2
|
Mawrth 2014
|
95.4
|
Ebrill 2014
|
95.2
|
Mai 2014
|
96.6
|
Mehefin 2014
|
97.6
|
Gorffennaf 2014
|
98.7
|
Awst 2014
|
100.2
|
Medi 2014
|
100.4
|
Hydref 2014
|
100.9
|
Tachwedd 2014
|
100.8
|
Rhagfyr 2014
|
100.7
|
Ionawr 2015
|
100.0
|
Chwefror 2015
|
99.9
|
Mawrth 2015
|
100.1
|
Ebrill 2015
|
100.7
|
Mai 2015
|
100.7
|
Mehefin 2015
|
101.6
|
Gorffennaf 2015
|
103.0
|
Awst 2015
|
105.2
|
Medi 2015
|
106.4
|
Hydref 2015
|
106.4
|
Tachwedd 2015
|
106.7
|
Rhagfyr 2015
|
106.1
|
Ionawr 2016
|
107.4
|
Chwefror 2016
|
107.3
|
Mawrth 2016
|
108.4
|
Ebrill 2016
|
108.7
|
Mai 2016
|
109.9
|
Mehefin 2016
|
111.3
|
Gorffennaf 2016
|
112.6
|
Awst 2016
|
113.7
|
Medi 2016
|
114.4
|
Hydref 2016
|
113.7
|
Tachwedd 2016
|
114.0
|
Rhagfyr 2016
|
114.7
|
Ionawr 2017
|
116.0
|
Chwefror 2017
|
116.1
|
Mawrth 2017
|
115.3
|
Ebrill 2017
|
115.7
|
Mai 2017
|
116.5
|
Mehefin 2017
|
118.6
|
Gorffennaf 2017
|
120.7
|
Awst 2017
|
122.5
|
Medi 2017
|
122.8
|
Hydref 2017
|
122.8
|
Tachwedd 2017
|
122.2
|
Rhagfyr 2017
|
123.2
|
Ionawr 2018
|
123.0
|
Chwefror 2018
|
123.6
|
Mawrth 2018
|
122.6
|
Ebrill 2018
|
123.8
|
Mai 2018
|
124.7
|
Mehefin 2018
|
125.3
|
Gorffennaf 2018
|
126.5
|
Awst 2018
|
127.0
|
Medi 2018
|
129.1
|
Hydref 2018
|
129.3
|
Tachwedd 2018
|
130.1
|
Rhagfyr 2018
|
130.6
|
Ionawr 2019
|
130.2
|
Chwefror 2019
|
130.6
|
Mawrth 2019
|
128.6
|
Ebrill 2019
|
129.0
|
Mai 2019
|
128.9
|
Mehefin 2019
|
129.9
|
Gorffennaf 2019
|
129.7
|
Awst 2019
|
130.4
|
Medi 2019
|
131.2
|
Hydref 2019
|
131.3
|
Tachwedd 2019
|
130.4
|
Rhagfyr 2019
|
130.2
|
Ionawr 2020
|
130.9
|
Chwefror 2020
|
130.6
|
Mawrth 2020
|
129.1
|
Ebrill 2020
|
127.9
|
Mai 2020
|
130.3
|
Mehefin 2020
|
131.2
|
Gorffennaf 2020
|
133.9
|
Awst 2020
|
133.4
|
Medi 2020
|
134.8
|
Hydref 2020
|
134.7
|
Tachwedd 2020
|
135.6
|
Rhagfyr 2020
|
137.8
|
Ionawr 2021
|
140.0
|
Chwefror 2021
|
142.7
|
Mawrth 2021
|
145.4
|
Ebrill 2021
|
145.9
|
Mai 2021
|
145.3
|
Mehefin 2021
|
148.6
|
Gorffennaf 2021
|
148.8
|
Awst 2021
|
149.7
|
Medi 2021
|
147.3
|
Hydref 2021
|
147.7
|
Tachwedd 2021
|
148.8
|
Rhagfyr 2021
|
149.5
|
Ionawr 2022
|
151.8
|