Cysylltau cyflym:
yn ôl math o eiddo
yn ôl statws y prynwr
yn ôl statws cyllido
yn ôl statws yr eiddo
Ystadegau Prisiau Tai
Math o eiddo
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol ar gyfer pob math o eiddo neu ganolbwyntio ar un penodol.
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai pâr
|
Mawrth 2002
|
78292.0
|
120129.0
|
70527.0
|
Ebrill 2002
|
80083.0
|
123474.0
|
71848.0
|
Mai 2002
|
82643.0
|
126196.0
|
74540.0
|
Mehefin 2002
|
84539.0
|
129138.0
|
75867.0
|
Gorffennaf 2002
|
88192.0
|
136120.0
|
79083.0
|
Awst 2002
|
91058.0
|
139575.0
|
81823.0
|
Medi 2002
|
91480.0
|
140380.0
|
82363.0
|
Hydref 2002
|
93898.0
|
144810.0
|
84785.0
|
Tachwedd 2002
|
96949.0
|
149679.0
|
87205.0
|
Rhagfyr 2002
|
98179.0
|
148848.0
|
89126.0
|
Ionawr 2003
|
100132.0
|
153159.0
|
89963.0
|
Chwefror 2003
|
102378.0
|
156292.0
|
92664.0
|
Mawrth 2003
|
101518.0
|
154232.0
|
91596.0
|
Ebrill 2003
|
106466.0
|
161485.0
|
96550.0
|
Mai 2003
|
108677.0
|
164975.0
|
98539.0
|
Mehefin 2003
|
109587.0
|
165584.0
|
99304.0
|
Gorffennaf 2003
|
111648.0
|
168435.0
|
101558.0
|
Awst 2003
|
114593.0
|
172110.0
|
104126.0
|
Medi 2003
|
114575.0
|
171968.0
|
104072.0
|
Hydref 2003
|
116408.0
|
174828.0
|
105877.0
|
Tachwedd 2003
|
117723.0
|
176668.0
|
107330.0
|
Rhagfyr 2003
|
118022.0
|
174818.0
|
107587.0
|
Ionawr 2004
|
119411.0
|
178561.0
|
108507.0
|
Chwefror 2004
|
120237.0
|
178100.0
|
109398.0
|
Mawrth 2004
|
121241.0
|
179502.0
|
109999.0
|
Ebrill 2004
|
125676.0
|
183092.0
|
114836.0
|
Mai 2004
|
128522.0
|
186748.0
|
117137.0
|
Mehefin 2004
|
130950.0
|
190345.0
|
119466.0
|
Gorffennaf 2004
|
133637.0
|
193893.0
|
122559.0
|
Awst 2004
|
136148.0
|
198006.0
|
124417.0
|
Medi 2004
|
137141.0
|
199828.0
|
124896.0
|
Hydref 2004
|
136872.0
|
198702.0
|
124950.0
|
Tachwedd 2004
|
138554.0
|
201849.0
|
126120.0
|
Rhagfyr 2004
|
137765.0
|
199110.0
|
125328.0
|
Ionawr 2005
|
135281.0
|
196362.0
|
122880.0
|
Chwefror 2005
|
136774.0
|
197287.0
|
125040.0
|
Mawrth 2005
|
137121.0
|
197549.0
|
125095.0
|
Ebrill 2005
|
138634.0
|
198484.0
|
126977.0
|
Mai 2005
|
140205.0
|
202371.0
|
127722.0
|
Mehefin 2005
|
139707.0
|
199090.0
|
127397.0
|
Gorffennaf 2005
|
141437.0
|
202858.0
|
129444.0
|
Awst 2005
|
142518.0
|
205819.0
|
129399.0
|
Medi 2005
|
141382.0
|
203570.0
|
128538.0
|
Hydref 2005
|
142601.0
|
203711.0
|
129849.0
|
Tachwedd 2005
|
142597.0
|
204926.0
|
129687.0
|
Rhagfyr 2005
|
142296.0
|
201567.0
|
129155.0
|
Ionawr 2006
|
140443.0
|
201904.0
|
127688.0
|
Chwefror 2006
|
140814.0
|
200596.0
|
127968.0
|
Mawrth 2006
|
141418.0
|
202220.0
|
128662.0
|
Ebrill 2006
|
145425.0
|
206760.0
|
132395.0
|
Mai 2006
|
145116.0
|
207243.0
|
132053.0
|
Mehefin 2006
|
146426.0
|
206849.0
|
133571.0
|
Gorffennaf 2006
|
149079.0
|
212247.0
|
135396.0
|
Awst 2006
|
149752.0
|
214470.0
|
136223.0
|
Medi 2006
|
148304.0
|
211968.0
|
134824.0
|
Hydref 2006
|
149835.0
|
214483.0
|
136187.0
|
Tachwedd 2006
|
150106.0
|
214692.0
|
136785.0
|
Rhagfyr 2006
|
151841.0
|
214439.0
|
138376.0
|
Ionawr 2007
|
151360.0
|
215371.0
|
137579.0
|
Chwefror 2007
|
152008.0
|
216503.0
|
138288.0
|
Mawrth 2007
|
152595.0
|
217548.0
|
138807.0
|
Ebrill 2007
|
154051.0
|
218634.0
|
139889.0
|
Mai 2007
|
154459.0
|
218860.0
|
140227.0
|
Mehefin 2007
|
156216.0
|
221506.0
|
141718.0
|
Gorffennaf 2007
|
157902.0
|
225724.0
|
142957.0
|
Awst 2007
|
159023.0
|
227953.0
|
144231.0
|
Medi 2007
|
159537.0
|
228903.0
|
144575.0
|
Hydref 2007
|
157562.0
|
225588.0
|
142578.0
|
Tachwedd 2007
|
157962.0
|
227247.0
|
143115.0
|
Rhagfyr 2007
|
157244.0
|
224649.0
|
142303.0
|
Ionawr 2008
|
153065.0
|
219669.0
|
138136.0
|
Chwefror 2008
|
153034.0
|
219449.0
|
138714.0
|
Mawrth 2008
|
152241.0
|
217343.0
|
138361.0
|
Ebrill 2008
|
152448.0
|
219886.0
|
137697.0
|
Mai 2008
|
152126.0
|
217166.0
|
138374.0
|
Mehefin 2008
|
151545.0
|
216499.0
|
137485.0
|
Gorffennaf 2008
|
150970.0
|
216928.0
|
137108.0
|
Awst 2008
|
146193.0
|
210430.0
|
132568.0
|
Medi 2008
|
142592.0
|
207810.0
|
128708.0
|
Hydref 2008
|
140155.0
|
202336.0
|
127000.0
|
Tachwedd 2008
|
134902.0
|
194624.0
|
122711.0
|
Rhagfyr 2008
|
134826.0
|
195159.0
|
122049.0
|
Ionawr 2009
|
131716.0
|
192145.0
|
118779.0
|
Chwefror 2009
|
129876.0
|
187890.0
|
118031.0
|
Mawrth 2009
|
129915.0
|
187658.0
|
117374.0
|
Ebrill 2009
|
130372.0
|
188422.0
|
118463.0
|
Mai 2009
|
129878.0
|
187002.0
|
118216.0
|
Mehefin 2009
|
133112.0
|
191707.0
|
120969.0
|
Gorffennaf 2009
|
134249.0
|
193797.0
|
121918.0
|
Awst 2009
|
136342.0
|
197107.0
|
123932.0
|
Medi 2009
|
136490.0
|
197883.0
|
123935.0
|
Hydref 2009
|
138349.0
|
200270.0
|
126065.0
|
Tachwedd 2009
|
138539.0
|
201462.0
|
125496.0
|
Rhagfyr 2009
|
140587.0
|
201160.0
|
128351.0
|
Ionawr 2010
|
136462.0
|
200755.0
|
123796.0
|
Chwefror 2010
|
139602.0
|
203213.0
|
127291.0
|
Mawrth 2010
|
137857.0
|
201048.0
|
125098.0
|
Ebrill 2010
|
139450.0
|
202524.0
|
127061.0
|
Mai 2010
|
141760.0
|
206383.0
|
128763.0
|
Mehefin 2010
|
142143.0
|
206090.0
|
129350.0
|
Gorffennaf 2010
|
142973.0
|
209606.0
|
129872.0
|
Awst 2010
|
144010.0
|
210687.0
|
131344.0
|
Medi 2010
|
142087.0
|
208749.0
|
128826.0
|
Hydref 2010
|
141097.0
|
207400.0
|
128191.0
|
Tachwedd 2010
|
139935.0
|
206325.0
|
127074.0
|
Rhagfyr 2010
|
139103.0
|
202768.0
|
126755.0
|
Ionawr 2011
|
136418.0
|
201296.0
|
123720.0
|
Chwefror 2011
|
137220.0
|
201460.0
|
124614.0
|
Mawrth 2011
|
136388.0
|
201213.0
|
123172.0
|
Ebrill 2011
|
137100.0
|
201598.0
|
124362.0
|
Mai 2011
|
137464.0
|
201497.0
|
124835.0
|
Mehefin 2011
|
137793.0
|
200397.0
|
125801.0
|
Gorffennaf 2011
|
140060.0
|
204578.0
|
127179.0
|
Awst 2011
|
140623.0
|
206857.0
|
128136.0
|
Medi 2011
|
138920.0
|
203685.0
|
126187.0
|
Hydref 2011
|
137499.0
|
202515.0
|
125299.0
|
Tachwedd 2011
|
137839.0
|
202682.0
|
125539.0
|
Rhagfyr 2011
|
138723.0
|
203076.0
|
126719.0
|
Ionawr 2012
|
136369.0
|
199291.0
|
124625.0
|
Chwefror 2012
|
136102.0
|
198574.0
|
124017.0
|
Mawrth 2012
|
137025.0
|
198099.0
|
125390.0
|
Ebrill 2012
|
138440.0
|
202924.0
|
126127.0
|
Mai 2012
|
138251.0
|
201797.0
|
126082.0
|
Mehefin 2012
|
139459.0
|
201693.0
|
127213.0
|
Gorffennaf 2012
|
140983.0
|
205902.0
|
128535.0
|
Awst 2012
|
139793.0
|
203727.0
|
127535.0
|
Medi 2012
|
139262.0
|
202987.0
|
126729.0
|
Hydref 2012
|
139395.0
|
202823.0
|
127253.0
|
Tachwedd 2012
|
139511.0
|
203602.0
|
127350.0
|
Rhagfyr 2012
|
138977.0
|
202888.0
|
126479.0
|
Ionawr 2013
|
137537.0
|
200466.0
|
125872.0
|
Chwefror 2013
|
137599.0
|
200484.0
|
125570.0
|
Mawrth 2013
|
138562.0
|
202609.0
|
126060.0
|
Ebrill 2013
|
139314.0
|
203309.0
|
127147.0
|
Mai 2013
|
141012.0
|
205322.0
|
128734.0
|
Mehefin 2013
|
141367.0
|
204467.0
|
129209.0
|
Gorffennaf 2013
|
142534.0
|
207618.0
|
129999.0
|
Awst 2013
|
144030.0
|
209721.0
|
131697.0
|
Medi 2013
|
143553.0
|
210089.0
|
130351.0
|
Hydref 2013
|
144444.0
|
212190.0
|
131625.0
|
Tachwedd 2013
|
143522.0
|
209273.0
|
131372.0
|
Rhagfyr 2013
|
145942.0
|
211484.0
|
133860.0
|
Ionawr 2014
|
145261.0
|
212361.0
|
132431.0
|
Chwefror 2014
|
146741.0
|
214158.0
|
134119.0
|
Mawrth 2014
|
146448.0
|
212489.0
|
134333.0
|
Ebrill 2014
|
149319.0
|
217303.0
|
136566.0
|
Mai 2014
|
150008.0
|
217652.0
|
137309.0
|
Mehefin 2014
|
151454.0
|
218915.0
|
139034.0
|
Gorffennaf 2014
|
152658.0
|
222044.0
|
139499.0
|
Awst 2014
|
155033.0
|
225712.0
|
141839.0
|
Medi 2014
|
155263.0
|
225566.0
|
141825.0
|
Hydref 2014
|
154170.0
|
224518.0
|
141049.0
|
Tachwedd 2014
|
154009.0
|
225032.0
|
140978.0
|
Rhagfyr 2014
|
153904.0
|
224125.0
|
140874.0
|
Ionawr 2015
|
153669.0
|
224177.0
|
140603.0
|
Chwefror 2015
|
154210.0
|
224376.0
|
140756.0
|
Mawrth 2015
|
154728.0
|
226534.0
|
141515.0
|
Ebrill 2015
|
155680.0
|
227164.0
|
142459.0
|
Mai 2015
|
157709.0
|
230012.0
|
144551.0
|
Mehefin 2015
|
158960.0
|
231544.0
|
145739.0
|
Gorffennaf 2015
|
161180.0
|
234903.0
|
147744.0
|
Awst 2015
|
163208.0
|
238543.0
|
149385.0
|
Medi 2015
|
162174.0
|
237894.0
|
147915.0
|
Hydref 2015
|
163771.0
|
239681.0
|
149895.0
|
Tachwedd 2015
|
164460.0
|
241057.0
|
150677.0
|
Rhagfyr 2015
|
165081.0
|
242178.0
|
150856.0
|
Ionawr 2016
|
164946.0
|
241187.0
|
151352.0
|
Chwefror 2016
|
164383.0
|
239666.0
|
150743.0
|
Mawrth 2016
|
165175.0
|
242497.0
|
150635.0
|
Ebrill 2016
|
167913.0
|
245217.0
|
153894.0
|
Mai 2016
|
168771.0
|
244478.0
|
154592.0
|
Mehefin 2016
|
170091.0
|
248322.0
|
155362.0
|
Gorffennaf 2016
|
171782.0
|
250053.0
|
157166.0
|
Awst 2016
|
172649.0
|
251641.0
|
157757.0
|
Medi 2016
|
173272.0
|
253193.0
|
158411.0
|
Hydref 2016
|
172479.0
|
253114.0
|
157769.0
|
Tachwedd 2016
|
173872.0
|
256399.0
|
158724.0
|
Rhagfyr 2016
|
174665.0
|
256073.0
|
159433.0
|
Ionawr 2017
|
172959.0
|
254847.0
|
158021.0
|
Chwefror 2017
|
175110.0
|
256862.0
|
159387.0
|
Mawrth 2017
|
174956.0
|
257482.0
|
159583.0
|
Ebrill 2017
|
177942.0
|
261248.0
|
162325.0
|
Mai 2017
|
178966.0
|
260873.0
|
164301.0
|
Mehefin 2017
|
180204.0
|
263246.0
|
164573.0
|
Gorffennaf 2017
|
183172.0
|
267287.0
|
167413.0
|
Awst 2017
|
182763.0
|
266169.0
|
166901.0
|
Medi 2017
|
183816.0
|
269062.0
|
167767.0
|
Hydref 2017
|
184044.0
|
269852.0
|
168531.0
|
Tachwedd 2017
|
183974.0
|
268778.0
|
168764.0
|
Rhagfyr 2017
|
184942.0
|
270134.0
|
169330.0
|
Ionawr 2018
|
184574.0
|
270217.0
|
169297.0
|
Chwefror 2018
|
187235.0
|
274416.0
|
171478.0
|
Mawrth 2018
|
184845.0
|
271045.0
|
169180.0
|
Ebrill 2018
|
187276.0
|
274048.0
|
171649.0
|
Mai 2018
|
188826.0
|
276020.0
|
173149.0
|
Mehefin 2018
|
189259.0
|
276373.0
|
174080.0
|
Gorffennaf 2018
|
191231.0
|
280767.0
|
175213.0
|
Awst 2018
|
192610.0
|
281373.0
|
176685.0
|
Medi 2018
|
194049.0
|
284602.0
|
178027.0
|
Hydref 2018
|
191666.0
|
281326.0
|
175909.0
|
Tachwedd 2018
|
192979.0
|
283191.0
|
177150.0
|
Rhagfyr 2018
|
191694.0
|
280107.0
|
176281.0
|
Ionawr 2019
|
191237.0
|
282514.0
|
175462.0
|
Chwefror 2019
|
190990.0
|
281121.0
|
175074.0
|
Mawrth 2019
|
190586.0
|
279592.0
|
175297.0
|
Ebrill 2019
|
191571.0
|
280447.0
|
176087.0
|
Mai 2019
|
191927.0
|
279563.0
|
176857.0
|
Mehefin 2019
|
192029.0
|
280726.0
|
176953.0
|
Gorffennaf 2019
|
193480.0
|
282487.0
|
177899.0
|
Awst 2019
|
195345.0
|
286117.0
|
179286.0
|
Medi 2019
|
194867.0
|
284897.0
|
178655.0
|
Hydref 2019
|
194705.0
|
284132.0
|
179977.0
|
Tachwedd 2019
|
194873.0
|
285549.0
|
179821.0
|
Rhagfyr 2019
|
194489.0
|
283889.0
|
179340.0
|
Ionawr 2020
|
195100.0
|
285161.0
|
180350.0
|
Chwefror 2020
|
193480.0
|
282217.0
|
178472.0
|
Mawrth 2020
|
195701.0
|
285955.0
|
180328.0
|
Ebrill 2020
|
195185.0
|
286298.0
|
179779.0
|
Mai 2020
|
194596.0
|
284049.0
|
180151.0
|
Mehefin 2020
|
198494.0
|
288289.0
|
183498.0
|
Gorffennaf 2020
|
200434.0
|
292385.0
|
184975.0
|
Awst 2020
|
200918.0
|
293854.0
|
185829.0
|
Medi 2020
|
201616.0
|
295939.0
|
185671.0
|
Hydref 2020
|
204424.0
|
299820.0
|
188058.0
|
Tachwedd 2020
|
207054.0
|
303055.0
|
190450.0
|
Rhagfyr 2020
|
209567.0
|
306994.0
|
192566.0
|
Ionawr 2021
|
209914.0
|
303200.0
|
193902.0
|
Chwefror 2021
|
212387.0
|
305729.0
|
195766.0
|
Mawrth 2021
|
213503.0
|
307042.0
|
196419.0
|
Ebrill 2021
|
210401.0
|
304056.0
|
193719.0
|
Mai 2021
|
211382.0
|
305165.0
|
194673.0
|
Mehefin 2021
|
223684.0
|
320292.0
|
205312.0
|
Gorffennaf 2021
|
210621.0
|
304148.0
|
194847.0
|
Awst 2021
|
217402.0
|
315018.0
|
200916.0
|
Medi 2021
|
225815.0
|
324012.0
|
208264.0
|
Hydref 2021
|
220981.0
|
324752.0
|
203042.0
|
Tachwedd 2021
|
224431.0
|
327294.0
|
206914.0
|
Rhagfyr 2021
|
226723.0
|
330270.0
|
208194.0
|
Ionawr 2022
|
228458.0
|
332526.0
|
211041.0
|
Chwefror 2022
|
229645.0
|
333009.0
|
212244.0
|
Mawrth 2022
|
231513.0
|
337052.0
|
213885.0
|
Ebrill 2022
|
233325.0
|
339000.0
|
215120.0
|
Mai 2022
|
235944.0
|
341884.0
|
218224.0
|
Mehefin 2022
|
240343.0
|
347073.0
|
222333.0
|
Gorffennaf 2022
|
242557.0
|
350797.0
|
224977.0
|
Awst 2022
|
246609.0
|
356743.0
|
228299.0
|
Medi 2022
|
246555.0
|
357676.0
|
227894.0
|
Hydref 2022
|
247087.0
|
358047.0
|
228803.0
|
Tachwedd 2022
|
248048.0
|
359923.0
|
229402.0
|
Rhagfyr 2022
|
248453.0
|
358683.0
|
230467.0
|
Ionawr 2023
|
244579.0
|
355744.0
|
226470.0
|
Chwefror 2023
|
242917.0
|
353805.0
|
224752.0
|
Mawrth 2023
|
239929.0
|
349420.0
|
222774.0
|
Ebrill 2023
|
239541.0
|
348581.0
|
221717.0
|
Mai 2023
|
238619.0
|
345185.0
|
221304.0
|
Mehefin 2023
|
242188.0
|
349729.0
|
223900.0
|
Gorffennaf 2023
|
243006.0
|
352579.0
|
225522.0
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai pâr
|
Mawrth 2002
|
18.8
|
18.0
|
18.8
|
Ebrill 2002
|
17.8
|
16.7
|
18.2
|
Mai 2002
|
19.7
|
18.6
|
20.0
|
Mehefin 2002
|
20.7
|
19.6
|
20.4
|
Gorffennaf 2002
|
24.6
|
23.8
|
24.5
|
Awst 2002
|
26.1
|
24.0
|
26.7
|
Medi 2002
|
25.9
|
24.0
|
27.1
|
Hydref 2002
|
28.0
|
27.0
|
28.7
|
Tachwedd 2002
|
30.3
|
29.9
|
30.3
|
Rhagfyr 2002
|
30.2
|
28.2
|
31.6
|
Ionawr 2003
|
33.0
|
30.4
|
33.1
|
Chwefror 2003
|
33.9
|
32.2
|
35.7
|
Mawrth 2003
|
29.7
|
28.4
|
29.9
|
Ebrill 2003
|
32.9
|
30.8
|
34.4
|
Mai 2003
|
31.5
|
30.7
|
32.2
|
Mehefin 2003
|
29.6
|
28.2
|
30.9
|
Gorffennaf 2003
|
26.6
|
23.7
|
28.4
|
Awst 2003
|
25.8
|
23.3
|
27.3
|
Medi 2003
|
25.2
|
22.5
|
26.4
|
Hydref 2003
|
24.0
|
20.7
|
24.9
|
Tachwedd 2003
|
21.4
|
18.0
|
23.1
|
Rhagfyr 2003
|
20.2
|
17.4
|
20.7
|
Ionawr 2004
|
19.2
|
16.6
|
20.6
|
Chwefror 2004
|
17.4
|
14.0
|
18.1
|
Mawrth 2004
|
19.4
|
16.4
|
20.1
|
Ebrill 2004
|
18.0
|
13.4
|
18.9
|
Mai 2004
|
18.3
|
13.2
|
18.9
|
Mehefin 2004
|
19.5
|
15.0
|
20.3
|
Gorffennaf 2004
|
19.7
|
15.1
|
20.7
|
Awst 2004
|
18.8
|
15.0
|
19.5
|
Medi 2004
|
19.7
|
16.2
|
20.0
|
Hydref 2004
|
17.6
|
13.7
|
18.0
|
Tachwedd 2004
|
17.7
|
14.2
|
17.5
|
Rhagfyr 2004
|
16.7
|
13.9
|
16.5
|
Ionawr 2005
|
13.3
|
10.0
|
13.2
|
Chwefror 2005
|
13.8
|
10.8
|
14.3
|
Mawrth 2005
|
13.1
|
10.0
|
13.7
|
Ebrill 2005
|
10.3
|
8.4
|
10.6
|
Mai 2005
|
9.1
|
8.4
|
9.0
|
Mehefin 2005
|
6.7
|
4.6
|
6.6
|
Gorffennaf 2005
|
5.8
|
4.6
|
5.6
|
Awst 2005
|
4.7
|
4.0
|
4.0
|
Medi 2005
|
3.1
|
1.9
|
2.9
|
Hydref 2005
|
4.2
|
2.5
|
3.9
|
Tachwedd 2005
|
2.9
|
1.5
|
2.8
|
Rhagfyr 2005
|
3.3
|
1.2
|
3.0
|
Ionawr 2006
|
3.8
|
2.8
|
3.9
|
Chwefror 2006
|
3.0
|
1.7
|
2.3
|
Mawrth 2006
|
3.1
|
2.4
|
2.8
|
Ebrill 2006
|
4.9
|
4.2
|
4.3
|
Mai 2006
|
3.5
|
2.4
|
3.4
|
Mehefin 2006
|
4.8
|
3.9
|
4.8
|
Gorffennaf 2006
|
5.4
|
4.6
|
4.6
|
Awst 2006
|
5.1
|
4.2
|
5.3
|
Medi 2006
|
4.9
|
4.1
|
4.9
|
Hydref 2006
|
5.1
|
5.3
|
4.9
|
Tachwedd 2006
|
5.3
|
4.8
|
5.5
|
Rhagfyr 2006
|
6.7
|
6.4
|
7.1
|
Ionawr 2007
|
7.8
|
6.7
|
7.8
|
Chwefror 2007
|
8.0
|
7.9
|
8.1
|
Mawrth 2007
|
7.9
|
7.6
|
7.9
|
Ebrill 2007
|
5.9
|
5.7
|
5.7
|
Mai 2007
|
6.4
|
5.6
|
6.2
|
Mehefin 2007
|
6.7
|
7.1
|
6.1
|
Gorffennaf 2007
|
5.9
|
6.4
|
5.6
|
Awst 2007
|
6.2
|
6.3
|
5.9
|
Medi 2007
|
7.6
|
8.0
|
7.2
|
Hydref 2007
|
5.2
|
5.2
|
4.7
|
Tachwedd 2007
|
5.2
|
5.8
|
4.6
|
Rhagfyr 2007
|
3.6
|
4.8
|
2.8
|
Ionawr 2008
|
1.1
|
2.0
|
0.4
|
Chwefror 2008
|
0.7
|
1.4
|
0.3
|
Mawrth 2008
|
-0.2
|
-0.1
|
-0.3
|
Ebrill 2008
|
-1.0
|
0.6
|
-1.6
|
Mai 2008
|
-1.5
|
-0.8
|
-1.3
|
Mehefin 2008
|
-3.0
|
-2.3
|
-3.0
|
Gorffennaf 2008
|
-4.4
|
-3.9
|
-4.1
|
Awst 2008
|
-8.1
|
-7.7
|
-8.1
|
Medi 2008
|
-10.6
|
-9.2
|
-11.0
|
Hydref 2008
|
-11.0
|
-10.3
|
-10.9
|
Tachwedd 2008
|
-14.6
|
-14.4
|
-14.3
|
Rhagfyr 2008
|
-14.3
|
-13.1
|
-14.2
|
Ionawr 2009
|
-14.0
|
-12.5
|
-14.0
|
Chwefror 2009
|
-15.1
|
-14.4
|
-14.9
|
Mawrth 2009
|
-14.7
|
-13.7
|
-15.2
|
Ebrill 2009
|
-14.5
|
-14.3
|
-14.0
|
Mai 2009
|
-14.6
|
-13.9
|
-14.6
|
Mehefin 2009
|
-12.2
|
-11.4
|
-12.0
|
Gorffennaf 2009
|
-11.1
|
-10.7
|
-11.1
|
Awst 2009
|
-6.7
|
-6.3
|
-6.5
|
Medi 2009
|
-4.3
|
-4.8
|
-3.7
|
Hydref 2009
|
-1.3
|
-1.0
|
-0.7
|
Tachwedd 2009
|
2.7
|
3.5
|
2.3
|
Rhagfyr 2009
|
4.3
|
3.1
|
5.2
|
Ionawr 2010
|
3.6
|
4.5
|
4.2
|
Chwefror 2010
|
7.5
|
8.2
|
7.8
|
Mawrth 2010
|
6.1
|
7.1
|
6.6
|
Ebrill 2010
|
7.0
|
7.5
|
7.3
|
Mai 2010
|
9.2
|
10.4
|
8.9
|
Mehefin 2010
|
6.8
|
7.5
|
6.9
|
Gorffennaf 2010
|
6.5
|
8.2
|
6.5
|
Awst 2010
|
5.6
|
6.9
|
6.0
|
Medi 2010
|
4.1
|
5.5
|
4.0
|
Hydref 2010
|
2.0
|
3.6
|
1.7
|
Tachwedd 2010
|
1.0
|
2.4
|
1.3
|
Rhagfyr 2010
|
-1.1
|
0.8
|
-1.2
|
Ionawr 2011
|
-0.0
|
0.3
|
-0.1
|
Chwefror 2011
|
-1.7
|
-0.9
|
-2.1
|
Mawrth 2011
|
-1.1
|
0.1
|
-1.5
|
Ebrill 2011
|
-1.7
|
-0.5
|
-2.1
|
Mai 2011
|
-3.0
|
-2.4
|
-3.0
|
Mehefin 2011
|
-3.1
|
-2.8
|
-2.7
|
Gorffennaf 2011
|
-2.0
|
-2.4
|
-2.1
|
Awst 2011
|
-2.4
|
-1.8
|
-2.4
|
Medi 2011
|
-2.2
|
-2.4
|
-2.0
|
Hydref 2011
|
-2.6
|
-2.4
|
-2.3
|
Tachwedd 2011
|
-1.5
|
-1.8
|
-1.2
|
Rhagfyr 2011
|
-0.3
|
0.2
|
-0.0
|
Ionawr 2012
|
-0.0
|
-1.0
|
0.7
|
Chwefror 2012
|
-0.8
|
-1.4
|
-0.5
|
Mawrth 2012
|
0.5
|
-1.6
|
1.8
|
Ebrill 2012
|
1.0
|
0.7
|
1.4
|
Mai 2012
|
0.6
|
0.2
|
1.0
|
Mehefin 2012
|
1.2
|
0.6
|
1.1
|
Gorffennaf 2012
|
0.7
|
0.6
|
1.1
|
Awst 2012
|
-0.6
|
-1.5
|
-0.5
|
Medi 2012
|
0.2
|
-0.3
|
0.4
|
Hydref 2012
|
1.4
|
0.2
|
1.6
|
Tachwedd 2012
|
1.2
|
0.4
|
1.4
|
Rhagfyr 2012
|
0.2
|
-0.1
|
-0.2
|
Ionawr 2013
|
0.9
|
0.6
|
1.0
|
Chwefror 2013
|
1.1
|
1.0
|
1.2
|
Mawrth 2013
|
1.1
|
2.3
|
0.5
|
Ebrill 2013
|
0.6
|
0.2
|
0.8
|
Mai 2013
|
2.0
|
1.8
|
2.1
|
Mehefin 2013
|
1.4
|
1.4
|
1.6
|
Gorffennaf 2013
|
1.1
|
0.8
|
1.1
|
Awst 2013
|
3.0
|
2.9
|
3.3
|
Medi 2013
|
3.1
|
3.5
|
2.9
|
Hydref 2013
|
3.6
|
4.6
|
3.4
|
Tachwedd 2013
|
2.9
|
2.8
|
3.2
|
Rhagfyr 2013
|
5.0
|
4.2
|
5.8
|
Ionawr 2014
|
5.6
|
5.9
|
5.2
|
Chwefror 2014
|
6.6
|
6.8
|
6.8
|
Mawrth 2014
|
5.7
|
4.9
|
6.6
|
Ebrill 2014
|
7.2
|
6.9
|
7.4
|
Mai 2014
|
6.4
|
6.0
|
6.7
|
Mehefin 2014
|
7.1
|
7.1
|
7.6
|
Gorffennaf 2014
|
7.1
|
7.0
|
7.3
|
Awst 2014
|
7.6
|
7.6
|
7.7
|
Medi 2014
|
8.2
|
7.4
|
8.8
|
Hydref 2014
|
6.7
|
5.8
|
7.2
|
Tachwedd 2014
|
7.3
|
7.5
|
7.3
|
Rhagfyr 2014
|
5.5
|
6.0
|
5.2
|
Ionawr 2015
|
5.8
|
5.6
|
6.2
|
Chwefror 2015
|
5.1
|
4.8
|
5.0
|
Mawrth 2015
|
5.6
|
6.6
|
5.4
|
Ebrill 2015
|
4.3
|
4.5
|
4.3
|
Mai 2015
|
5.1
|
5.7
|
5.3
|
Mehefin 2015
|
5.0
|
5.8
|
4.8
|
Gorffennaf 2015
|
5.6
|
5.8
|
5.9
|
Awst 2015
|
5.3
|
5.7
|
5.3
|
Medi 2015
|
4.4
|
5.5
|
4.3
|
Hydref 2015
|
6.2
|
6.8
|
6.3
|
Tachwedd 2015
|
6.8
|
7.1
|
6.9
|
Rhagfyr 2015
|
7.3
|
8.0
|
7.1
|
Ionawr 2016
|
7.3
|
7.6
|
7.6
|
Chwefror 2016
|
6.6
|
6.8
|
7.1
|
Mawrth 2016
|
6.8
|
7.0
|
6.4
|
Ebrill 2016
|
7.9
|
8.0
|
8.0
|
Mai 2016
|
7.0
|
6.3
|
7.0
|
Mehefin 2016
|
7.0
|
7.2
|
6.6
|
Gorffennaf 2016
|
6.6
|
6.4
|
6.4
|
Awst 2016
|
5.8
|
5.5
|
5.6
|
Medi 2016
|
6.8
|
6.4
|
7.1
|
Hydref 2016
|
5.3
|
5.6
|
5.2
|
Tachwedd 2016
|
5.7
|
6.4
|
5.3
|
Rhagfyr 2016
|
5.8
|
5.7
|
5.7
|
Ionawr 2017
|
4.9
|
5.7
|
4.4
|
Chwefror 2017
|
6.5
|
7.2
|
5.7
|
Mawrth 2017
|
5.9
|
6.2
|
5.9
|
Ebrill 2017
|
6.0
|
6.5
|
5.5
|
Mai 2017
|
6.0
|
6.7
|
6.3
|
Mehefin 2017
|
6.0
|
6.0
|
5.9
|
Gorffennaf 2017
|
6.6
|
6.9
|
6.5
|
Awst 2017
|
5.9
|
5.8
|
5.8
|
Medi 2017
|
6.1
|
6.3
|
5.9
|
Hydref 2017
|
6.7
|
6.6
|
6.8
|
Tachwedd 2017
|
5.8
|
4.8
|
6.3
|
Rhagfyr 2017
|
5.9
|
5.5
|
6.2
|
Ionawr 2018
|
6.7
|
6.0
|
7.1
|
Chwefror 2018
|
6.9
|
6.8
|
7.6
|
Mawrth 2018
|
5.6
|
5.3
|
6.0
|
Ebrill 2018
|
5.2
|
4.9
|
5.7
|
Mai 2018
|
5.5
|
5.8
|
5.4
|
Mehefin 2018
|
5.0
|
5.0
|
5.8
|
Gorffennaf 2018
|
4.4
|
5.0
|
4.7
|
Awst 2018
|
5.4
|
5.7
|
5.9
|
Medi 2018
|
5.6
|
5.8
|
6.1
|
Hydref 2018
|
4.1
|
4.2
|
4.4
|
Tachwedd 2018
|
4.9
|
5.4
|
5.0
|
Rhagfyr 2018
|
3.6
|
3.7
|
4.1
|
Ionawr 2019
|
3.6
|
4.6
|
3.6
|
Chwefror 2019
|
2.0
|
2.4
|
2.1
|
Mawrth 2019
|
3.1
|
3.2
|
3.6
|
Ebrill 2019
|
2.3
|
2.3
|
2.6
|
Mai 2019
|
1.6
|
1.3
|
2.1
|
Mehefin 2019
|
1.5
|
1.6
|
1.6
|
Gorffennaf 2019
|
1.2
|
0.6
|
1.5
|
Awst 2019
|
1.4
|
1.7
|
1.5
|
Medi 2019
|
0.4
|
0.1
|
0.4
|
Hydref 2019
|
1.6
|
1.0
|
2.3
|
Tachwedd 2019
|
1.0
|
0.8
|
1.5
|
Rhagfyr 2019
|
1.5
|
1.4
|
1.7
|
Ionawr 2020
|
2.0
|
0.9
|
2.8
|
Chwefror 2020
|
1.3
|
0.4
|
1.9
|
Mawrth 2020
|
2.7
|
2.3
|
2.9
|
Ebrill 2020
|
1.9
|
2.1
|
2.1
|
Mai 2020
|
1.4
|
1.6
|
1.9
|
Mehefin 2020
|
3.4
|
2.7
|
3.7
|
Gorffennaf 2020
|
3.6
|
3.5
|
4.0
|
Awst 2020
|
2.8
|
2.7
|
3.6
|
Medi 2020
|
3.5
|
3.9
|
3.9
|
Hydref 2020
|
5.0
|
5.5
|
4.5
|
Tachwedd 2020
|
6.2
|
6.1
|
5.9
|
Rhagfyr 2020
|
7.8
|
8.1
|
7.4
|
Ionawr 2021
|
7.6
|
6.3
|
7.5
|
Chwefror 2021
|
9.8
|
8.3
|
9.7
|
Mawrth 2021
|
9.1
|
7.4
|
8.9
|
Ebrill 2021
|
7.8
|
6.2
|
7.8
|
Mai 2021
|
8.6
|
7.4
|
8.1
|
Mehefin 2021
|
12.7
|
11.1
|
11.9
|
Gorffennaf 2021
|
5.1
|
4.0
|
5.3
|
Awst 2021
|
8.2
|
7.2
|
8.1
|
Medi 2021
|
12.0
|
9.5
|
12.2
|
Hydref 2021
|
8.1
|
8.3
|
8.0
|
Tachwedd 2021
|
8.4
|
8.0
|
8.6
|
Rhagfyr 2021
|
8.2
|
7.6
|
8.1
|
Ionawr 2022
|
8.8
|
9.7
|
8.8
|
Chwefror 2022
|
8.1
|
8.9
|
8.4
|
Mawrth 2022
|
8.4
|
9.8
|
8.9
|
Ebrill 2022
|
10.9
|
11.5
|
11.0
|
Mai 2022
|
11.6
|
12.0
|
12.1
|
Mehefin 2022
|
7.4
|
8.4
|
8.3
|
Gorffennaf 2022
|
15.2
|
15.3
|
15.5
|
Awst 2022
|
13.4
|
13.2
|
13.6
|
Medi 2022
|
9.2
|
10.4
|
9.4
|
Hydref 2022
|
11.8
|
10.3
|
12.7
|
Tachwedd 2022
|
10.5
|
10.0
|
10.9
|
Rhagfyr 2022
|
9.6
|
8.6
|
10.7
|
Ionawr 2023
|
7.1
|
7.0
|
7.3
|
Chwefror 2023
|
5.8
|
6.2
|
5.9
|
Mawrth 2023
|
3.6
|
3.7
|
4.2
|
Ebrill 2023
|
2.7
|
2.8
|
3.1
|
Mai 2023
|
1.1
|
1.0
|
1.4
|
Mehefin 2023
|
0.8
|
0.8
|
0.7
|
Gorffennaf 2023
|
0.2
|
0.5
|
0.2
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai pâr
|
Mawrth 2002
|
2.4
|
1.6
|
3.3
|
Ebrill 2002
|
2.3
|
2.8
|
1.9
|
Mai 2002
|
3.2
|
2.2
|
3.8
|
Mehefin 2002
|
2.3
|
2.3
|
1.8
|
Gorffennaf 2002
|
4.3
|
5.4
|
4.2
|
Awst 2002
|
3.2
|
2.5
|
3.5
|
Medi 2002
|
0.5
|
0.6
|
0.7
|
Hydref 2002
|
2.6
|
3.2
|
2.9
|
Tachwedd 2002
|
3.2
|
3.4
|
2.8
|
Rhagfyr 2002
|
1.3
|
-0.6
|
2.2
|
Ionawr 2003
|
2.0
|
2.9
|
0.9
|
Chwefror 2003
|
2.2
|
2.0
|
3.0
|
Mawrth 2003
|
-0.8
|
-1.3
|
-1.2
|
Ebrill 2003
|
4.9
|
4.7
|
5.4
|
Mai 2003
|
2.1
|
2.2
|
2.1
|
Mehefin 2003
|
0.8
|
0.4
|
0.8
|
Gorffennaf 2003
|
1.9
|
1.7
|
2.3
|
Awst 2003
|
2.6
|
2.2
|
2.5
|
Medi 2003
|
-0.0
|
-0.1
|
-0.1
|
Hydref 2003
|
1.6
|
1.7
|
1.7
|
Tachwedd 2003
|
1.1
|
1.0
|
1.4
|
Rhagfyr 2003
|
0.2
|
-1.0
|
0.2
|
Ionawr 2004
|
1.2
|
2.1
|
0.9
|
Chwefror 2004
|
0.7
|
-0.3
|
0.8
|
Mawrth 2004
|
0.8
|
0.8
|
0.6
|
Ebrill 2004
|
3.7
|
2.0
|
4.4
|
Mai 2004
|
2.3
|
2.0
|
2.0
|
Mehefin 2004
|
1.9
|
1.9
|
2.0
|
Gorffennaf 2004
|
2.0
|
1.9
|
2.6
|
Awst 2004
|
1.9
|
2.1
|
1.5
|
Medi 2004
|
0.7
|
0.9
|
0.4
|
Hydref 2004
|
-0.2
|
-0.6
|
0.0
|
Tachwedd 2004
|
1.2
|
1.6
|
0.9
|
Rhagfyr 2004
|
-0.6
|
-1.4
|
-0.6
|
Ionawr 2005
|
-1.8
|
-1.4
|
-2.0
|
Chwefror 2005
|
1.1
|
0.5
|
1.8
|
Mawrth 2005
|
0.2
|
0.1
|
0.0
|
Ebrill 2005
|
1.1
|
0.5
|
1.5
|
Mai 2005
|
1.1
|
2.0
|
0.6
|
Mehefin 2005
|
-0.4
|
-1.6
|
-0.2
|
Gorffennaf 2005
|
1.2
|
1.9
|
1.6
|
Awst 2005
|
0.8
|
1.5
|
-0.0
|
Medi 2005
|
-0.8
|
-1.1
|
-0.7
|
Hydref 2005
|
0.9
|
0.1
|
1.0
|
Tachwedd 2005
|
0.0
|
0.6
|
-0.1
|
Rhagfyr 2005
|
-0.2
|
-1.6
|
-0.4
|
Ionawr 2006
|
-1.3
|
0.2
|
-1.1
|
Chwefror 2006
|
0.3
|
-0.6
|
0.2
|
Mawrth 2006
|
0.4
|
0.8
|
0.5
|
Ebrill 2006
|
2.8
|
2.2
|
2.9
|
Mai 2006
|
-0.2
|
0.2
|
-0.3
|
Mehefin 2006
|
0.9
|
-0.2
|
1.2
|
Gorffennaf 2006
|
1.8
|
2.6
|
1.4
|
Awst 2006
|
0.4
|
1.0
|
0.6
|
Medi 2006
|
-1.0
|
-1.2
|
-1.0
|
Hydref 2006
|
1.0
|
1.2
|
1.0
|
Tachwedd 2006
|
0.2
|
0.1
|
0.4
|
Rhagfyr 2006
|
1.2
|
-0.1
|
1.2
|
Ionawr 2007
|
-0.3
|
0.4
|
-0.6
|
Chwefror 2007
|
0.4
|
0.5
|
0.5
|
Mawrth 2007
|
0.4
|
0.5
|
0.4
|
Ebrill 2007
|
1.0
|
0.5
|
0.8
|
Mai 2007
|
0.3
|
0.1
|
0.2
|
Mehefin 2007
|
1.1
|
1.2
|
1.1
|
Gorffennaf 2007
|
1.1
|
1.9
|
0.9
|
Awst 2007
|
0.7
|
1.0
|
0.9
|
Medi 2007
|
0.3
|
0.4
|
0.2
|
Hydref 2007
|
-1.2
|
-1.4
|
-1.4
|
Tachwedd 2007
|
0.2
|
0.7
|
0.4
|
Rhagfyr 2007
|
-0.4
|
-1.1
|
-0.6
|
Ionawr 2008
|
-2.7
|
-2.2
|
-2.9
|
Chwefror 2008
|
-0.0
|
-0.1
|
0.4
|
Mawrth 2008
|
-0.5
|
-1.0
|
-0.2
|
Ebrill 2008
|
0.1
|
1.2
|
-0.5
|
Mai 2008
|
-0.2
|
-1.2
|
0.5
|
Mehefin 2008
|
-0.4
|
-0.3
|
-0.6
|
Gorffennaf 2008
|
-0.4
|
0.2
|
-0.3
|
Awst 2008
|
-3.2
|
-3.0
|
-3.3
|
Medi 2008
|
-2.5
|
-1.2
|
-2.9
|
Hydref 2008
|
-1.7
|
-2.6
|
-1.3
|
Tachwedd 2008
|
-3.8
|
-3.8
|
-3.4
|
Rhagfyr 2008
|
-0.1
|
0.3
|
-0.5
|
Ionawr 2009
|
-2.3
|
-1.5
|
-2.7
|
Chwefror 2009
|
-1.4
|
-2.2
|
-0.6
|
Mawrth 2009
|
0.0
|
-0.1
|
-0.6
|
Ebrill 2009
|
0.4
|
0.4
|
0.9
|
Mai 2009
|
-0.4
|
-0.8
|
-0.2
|
Mehefin 2009
|
2.5
|
2.5
|
2.3
|
Gorffennaf 2009
|
0.8
|
1.1
|
0.8
|
Awst 2009
|
1.6
|
1.7
|
1.6
|
Medi 2009
|
0.1
|
0.4
|
0.0
|
Hydref 2009
|
1.4
|
1.2
|
1.7
|
Tachwedd 2009
|
0.1
|
0.6
|
-0.4
|
Rhagfyr 2009
|
1.5
|
-0.2
|
2.3
|
Ionawr 2010
|
-2.9
|
-0.2
|
-3.6
|
Chwefror 2010
|
2.3
|
1.2
|
2.8
|
Mawrth 2010
|
-1.2
|
-1.1
|
-1.7
|
Ebrill 2010
|
1.2
|
0.7
|
1.6
|
Mai 2010
|
1.7
|
1.9
|
1.3
|
Mehefin 2010
|
0.3
|
-0.1
|
0.5
|
Gorffennaf 2010
|
0.6
|
1.7
|
0.4
|
Awst 2010
|
0.7
|
0.5
|
1.1
|
Medi 2010
|
-1.3
|
-0.9
|
-1.9
|
Hydref 2010
|
-0.7
|
-0.6
|
-0.5
|
Tachwedd 2010
|
-0.8
|
-0.5
|
-0.9
|
Rhagfyr 2010
|
-0.6
|
-1.7
|
-0.2
|
Ionawr 2011
|
-1.9
|
-0.7
|
-2.4
|
Chwefror 2011
|
0.6
|
0.1
|
0.7
|
Mawrth 2011
|
-0.6
|
-0.1
|
-1.2
|
Ebrill 2011
|
0.5
|
0.2
|
1.0
|
Mai 2011
|
0.3
|
-0.1
|
0.4
|
Mehefin 2011
|
0.2
|
-0.6
|
0.8
|
Gorffennaf 2011
|
1.6
|
2.1
|
1.1
|
Awst 2011
|
0.4
|
1.1
|
0.8
|
Medi 2011
|
-1.2
|
-1.5
|
-1.5
|
Hydref 2011
|
-1.0
|
-0.6
|
-0.7
|
Tachwedd 2011
|
0.2
|
0.1
|
0.2
|
Rhagfyr 2011
|
0.6
|
0.2
|
0.9
|
Ionawr 2012
|
-1.7
|
-1.9
|
-1.6
|
Chwefror 2012
|
-0.2
|
-0.4
|
-0.5
|
Mawrth 2012
|
0.7
|
-0.2
|
1.1
|
Ebrill 2012
|
1.0
|
2.4
|
0.6
|
Mai 2012
|
-0.1
|
-0.6
|
-0.0
|
Mehefin 2012
|
0.9
|
-0.1
|
0.9
|
Gorffennaf 2012
|
1.1
|
2.1
|
1.0
|
Awst 2012
|
-0.8
|
-1.1
|
-0.8
|
Medi 2012
|
-0.4
|
-0.4
|
-0.6
|
Hydref 2012
|
0.1
|
-0.1
|
0.4
|
Tachwedd 2012
|
0.1
|
0.4
|
0.1
|
Rhagfyr 2012
|
-0.4
|
-0.4
|
-0.7
|
Ionawr 2013
|
-1.0
|
-1.2
|
-0.5
|
Chwefror 2013
|
0.1
|
0.0
|
-0.2
|
Mawrth 2013
|
0.7
|
1.1
|
0.4
|
Ebrill 2013
|
0.5
|
0.4
|
0.9
|
Mai 2013
|
1.2
|
1.0
|
1.2
|
Mehefin 2013
|
0.2
|
-0.4
|
0.4
|
Gorffennaf 2013
|
0.8
|
1.5
|
0.6
|
Awst 2013
|
1.0
|
1.0
|
1.3
|
Medi 2013
|
-0.3
|
0.2
|
-1.0
|
Hydref 2013
|
0.6
|
1.0
|
1.0
|
Tachwedd 2013
|
-0.6
|
-1.4
|
-0.2
|
Rhagfyr 2013
|
1.7
|
1.1
|
1.9
|
Ionawr 2014
|
-0.5
|
0.4
|
-1.1
|
Chwefror 2014
|
1.0
|
0.8
|
1.3
|
Mawrth 2014
|
-0.2
|
-0.8
|
0.2
|
Ebrill 2014
|
2.0
|
2.3
|
1.7
|
Mai 2014
|
0.5
|
0.2
|
0.5
|
Mehefin 2014
|
1.0
|
0.6
|
1.3
|
Gorffennaf 2014
|
0.8
|
1.4
|
0.3
|
Awst 2014
|
1.6
|
1.6
|
1.7
|
Medi 2014
|
0.2
|
-0.1
|
-0.0
|
Hydref 2014
|
-0.7
|
-0.5
|
-0.6
|
Tachwedd 2014
|
-0.1
|
0.2
|
-0.1
|
Rhagfyr 2014
|
-0.1
|
-0.4
|
-0.1
|
Ionawr 2015
|
-0.2
|
0.0
|
-0.2
|
Chwefror 2015
|
0.4
|
0.1
|
0.1
|
Mawrth 2015
|
0.3
|
1.0
|
0.5
|
Ebrill 2015
|
0.6
|
0.3
|
0.7
|
Mai 2015
|
1.3
|
1.2
|
1.5
|
Mehefin 2015
|
0.8
|
0.7
|
0.8
|
Gorffennaf 2015
|
1.4
|
1.4
|
1.4
|
Awst 2015
|
1.3
|
1.6
|
1.1
|
Medi 2015
|
-0.6
|
-0.3
|
-1.0
|
Hydref 2015
|
1.0
|
0.8
|
1.3
|
Tachwedd 2015
|
0.4
|
0.6
|
0.5
|
Rhagfyr 2015
|
0.4
|
0.5
|
0.1
|
Ionawr 2016
|
-0.1
|
-0.4
|
0.3
|
Chwefror 2016
|
-0.3
|
-0.6
|
-0.4
|
Mawrth 2016
|
0.5
|
1.2
|
-0.1
|
Ebrill 2016
|
1.7
|
1.1
|
2.2
|
Mai 2016
|
0.5
|
-0.3
|
0.4
|
Mehefin 2016
|
0.8
|
1.6
|
0.5
|
Gorffennaf 2016
|
1.0
|
0.7
|
1.2
|
Awst 2016
|
0.5
|
0.6
|
0.4
|
Medi 2016
|
0.4
|
0.6
|
0.4
|
Hydref 2016
|
-0.5
|
-0.0
|
-0.4
|
Tachwedd 2016
|
0.8
|
1.3
|
0.6
|
Rhagfyr 2016
|
0.5
|
-0.1
|
0.4
|
Ionawr 2017
|
-1.0
|
-0.5
|
-0.9
|
Chwefror 2017
|
1.2
|
0.8
|
0.9
|
Mawrth 2017
|
-0.1
|
0.2
|
0.1
|
Ebrill 2017
|
1.7
|
1.5
|
1.7
|
Mai 2017
|
0.6
|
-0.1
|
1.2
|
Mehefin 2017
|
0.7
|
0.9
|
0.2
|
Gorffennaf 2017
|
1.6
|
1.5
|
1.7
|
Awst 2017
|
-0.2
|
-0.4
|
-0.3
|
Medi 2017
|
0.6
|
1.1
|
0.5
|
Hydref 2017
|
0.1
|
0.3
|
0.5
|
Tachwedd 2017
|
-0.0
|
-0.4
|
0.1
|
Rhagfyr 2017
|
0.5
|
0.5
|
0.3
|
Ionawr 2018
|
-0.2
|
0.0
|
-0.0
|
Chwefror 2018
|
1.4
|
1.6
|
1.3
|
Mawrth 2018
|
-1.3
|
-1.2
|
-1.3
|
Ebrill 2018
|
1.3
|
1.1
|
1.5
|
Mai 2018
|
0.8
|
0.7
|
0.9
|
Mehefin 2018
|
0.2
|
0.1
|
0.5
|
Gorffennaf 2018
|
1.0
|
1.6
|
0.6
|
Awst 2018
|
0.7
|
0.2
|
0.8
|
Medi 2018
|
0.8
|
1.2
|
0.8
|
Hydref 2018
|
-1.2
|
-1.2
|
-1.2
|
Tachwedd 2018
|
0.7
|
0.7
|
0.7
|
Rhagfyr 2018
|
-0.7
|
-1.1
|
-0.5
|
Ionawr 2019
|
-0.2
|
0.9
|
-0.5
|
Chwefror 2019
|
-0.1
|
-0.5
|
-0.2
|
Mawrth 2019
|
-0.2
|
-0.5
|
0.1
|
Ebrill 2019
|
0.5
|
0.3
|
0.4
|
Mai 2019
|
0.2
|
-0.3
|
0.4
|
Mehefin 2019
|
0.1
|
0.4
|
0.1
|
Gorffennaf 2019
|
0.8
|
0.6
|
0.5
|
Awst 2019
|
1.0
|
1.3
|
0.8
|
Medi 2019
|
-0.2
|
-0.4
|
-0.4
|
Hydref 2019
|
-0.1
|
-0.3
|
0.7
|
Tachwedd 2019
|
0.1
|
0.5
|
-0.1
|
Rhagfyr 2019
|
-0.2
|
-0.6
|
-0.3
|
Ionawr 2020
|
0.3
|
0.4
|
0.6
|
Chwefror 2020
|
-0.8
|
-1.0
|
-1.0
|
Mawrth 2020
|
1.2
|
1.3
|
1.0
|
Ebrill 2020
|
-0.3
|
0.1
|
-0.3
|
Mai 2020
|
-0.3
|
-0.8
|
0.2
|
Mehefin 2020
|
2.0
|
1.5
|
1.9
|
Gorffennaf 2020
|
1.0
|
1.4
|
0.8
|
Awst 2020
|
0.2
|
0.5
|
0.5
|
Medi 2020
|
0.4
|
0.7
|
-0.1
|
Hydref 2020
|
1.4
|
1.3
|
1.3
|
Tachwedd 2020
|
1.3
|
1.1
|
1.3
|
Rhagfyr 2020
|
1.2
|
1.3
|
1.1
|
Ionawr 2021
|
0.2
|
-1.2
|
0.7
|
Chwefror 2021
|
1.2
|
0.8
|
1.0
|
Mawrth 2021
|
0.5
|
0.4
|
0.3
|
Ebrill 2021
|
-1.5
|
-1.0
|
-1.4
|
Mai 2021
|
0.5
|
0.4
|
0.5
|
Mehefin 2021
|
5.8
|
5.0
|
5.5
|
Gorffennaf 2021
|
-5.8
|
-5.0
|
-5.1
|
Awst 2021
|
3.2
|
3.6
|
3.1
|
Medi 2021
|
3.9
|
2.9
|
3.7
|
Hydref 2021
|
-2.1
|
0.2
|
-2.5
|
Tachwedd 2021
|
1.6
|
0.8
|
1.9
|
Rhagfyr 2021
|
1.0
|
0.9
|
0.6
|
Ionawr 2022
|
0.8
|
0.7
|
1.4
|
Chwefror 2022
|
0.5
|
0.1
|
0.6
|
Mawrth 2022
|
0.8
|
1.2
|
0.8
|
Ebrill 2022
|
0.8
|
0.6
|
0.6
|
Mai 2022
|
1.1
|
0.9
|
1.4
|
Mehefin 2022
|
1.9
|
1.5
|
1.9
|
Gorffennaf 2022
|
0.9
|
1.1
|
1.2
|
Awst 2022
|
1.7
|
1.7
|
1.5
|
Medi 2022
|
0.0
|
0.3
|
-0.2
|
Hydref 2022
|
0.2
|
0.1
|
0.4
|
Tachwedd 2022
|
0.4
|
0.5
|
0.3
|
Rhagfyr 2022
|
0.2
|
-0.3
|
0.5
|
Ionawr 2023
|
-1.6
|
-0.8
|
-1.7
|
Chwefror 2023
|
-0.7
|
-0.5
|
-0.8
|
Mawrth 2023
|
-1.2
|
-1.2
|
-0.9
|
Ebrill 2023
|
-0.2
|
-0.2
|
-0.5
|
Mai 2023
|
-0.4
|
-1.0
|
-0.2
|
Mehefin 2023
|
1.5
|
1.3
|
1.2
|
Gorffennaf 2023
|
0.3
|
0.8
|
0.7
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai pâr
|
Mawrth 2002
|
51.0
|
53.6
|
50.2
|
Ebrill 2002
|
52.1
|
55.1
|
51.1
|
Mai 2002
|
53.8
|
56.3
|
53.0
|
Mehefin 2002
|
55.0
|
57.6
|
54.0
|
Gorffennaf 2002
|
57.4
|
60.7
|
56.2
|
Awst 2002
|
59.3
|
62.3
|
58.2
|
Medi 2002
|
59.5
|
62.6
|
58.6
|
Hydref 2002
|
61.1
|
64.6
|
60.3
|
Tachwedd 2002
|
63.1
|
66.8
|
62.0
|
Rhagfyr 2002
|
63.9
|
66.4
|
63.4
|
Ionawr 2003
|
65.2
|
68.3
|
64.0
|
Chwefror 2003
|
66.6
|
69.7
|
65.9
|
Mawrth 2003
|
66.1
|
68.8
|
65.2
|
Ebrill 2003
|
69.3
|
72.0
|
68.7
|
Mai 2003
|
70.7
|
73.6
|
70.1
|
Mehefin 2003
|
71.3
|
73.9
|
70.6
|
Gorffennaf 2003
|
72.7
|
75.1
|
72.2
|
Awst 2003
|
74.6
|
76.8
|
74.1
|
Medi 2003
|
74.6
|
76.7
|
74.0
|
Hydref 2003
|
75.8
|
78.0
|
75.3
|
Tachwedd 2003
|
76.6
|
78.8
|
76.3
|
Rhagfyr 2003
|
76.8
|
78.0
|
76.5
|
Ionawr 2004
|
77.7
|
79.6
|
77.2
|
Chwefror 2004
|
78.2
|
79.4
|
77.8
|
Mawrth 2004
|
78.9
|
80.1
|
78.2
|
Ebrill 2004
|
81.8
|
81.7
|
81.7
|
Mai 2004
|
83.6
|
83.3
|
83.3
|
Mehefin 2004
|
85.2
|
84.9
|
85.0
|
Gorffennaf 2004
|
87.0
|
86.5
|
87.2
|
Awst 2004
|
88.6
|
88.3
|
88.5
|
Medi 2004
|
89.2
|
89.1
|
88.8
|
Hydref 2004
|
89.1
|
88.6
|
88.9
|
Tachwedd 2004
|
90.2
|
90.0
|
89.7
|
Rhagfyr 2004
|
89.6
|
88.8
|
89.1
|
Ionawr 2005
|
88.0
|
87.6
|
87.4
|
Chwefror 2005
|
89.0
|
88.0
|
88.9
|
Mawrth 2005
|
89.2
|
88.1
|
89.0
|
Ebrill 2005
|
90.2
|
88.5
|
90.3
|
Mai 2005
|
91.2
|
90.3
|
90.8
|
Mehefin 2005
|
90.9
|
88.8
|
90.6
|
Gorffennaf 2005
|
92.0
|
90.5
|
92.1
|
Awst 2005
|
92.7
|
91.8
|
92.0
|
Medi 2005
|
92.0
|
90.8
|
91.4
|
Hydref 2005
|
92.8
|
90.9
|
92.4
|
Tachwedd 2005
|
92.8
|
91.4
|
92.2
|
Rhagfyr 2005
|
92.6
|
89.9
|
91.9
|
Ionawr 2006
|
91.4
|
90.1
|
90.8
|
Chwefror 2006
|
91.6
|
89.5
|
91.0
|
Mawrth 2006
|
92.0
|
90.2
|
91.5
|
Ebrill 2006
|
94.6
|
92.2
|
94.2
|
Mai 2006
|
94.4
|
92.4
|
93.9
|
Mehefin 2006
|
95.3
|
92.3
|
95.0
|
Gorffennaf 2006
|
97.0
|
94.7
|
96.3
|
Awst 2006
|
97.4
|
95.7
|
96.9
|
Medi 2006
|
96.5
|
94.6
|
95.9
|
Hydref 2006
|
97.5
|
95.7
|
96.9
|
Tachwedd 2006
|
97.7
|
95.8
|
97.3
|
Rhagfyr 2006
|
98.8
|
95.7
|
98.4
|
Ionawr 2007
|
98.5
|
96.1
|
97.8
|
Chwefror 2007
|
98.9
|
96.6
|
98.4
|
Mawrth 2007
|
99.3
|
97.0
|
98.7
|
Ebrill 2007
|
100.2
|
97.5
|
99.5
|
Mai 2007
|
100.5
|
97.6
|
99.7
|
Mehefin 2007
|
101.7
|
98.8
|
100.8
|
Gorffennaf 2007
|
102.8
|
100.7
|
101.7
|
Awst 2007
|
103.5
|
101.7
|
102.6
|
Medi 2007
|
103.8
|
102.1
|
102.8
|
Hydref 2007
|
102.5
|
100.6
|
101.4
|
Tachwedd 2007
|
102.8
|
101.4
|
101.8
|
Rhagfyr 2007
|
102.3
|
100.2
|
101.2
|
Ionawr 2008
|
99.6
|
98.0
|
98.2
|
Chwefror 2008
|
99.6
|
97.9
|
98.7
|
Mawrth 2008
|
99.1
|
97.0
|
98.4
|
Ebrill 2008
|
99.2
|
98.1
|
97.9
|
Mai 2008
|
99.0
|
96.9
|
98.4
|
Mehefin 2008
|
98.6
|
96.6
|
97.8
|
Gorffennaf 2008
|
98.2
|
96.8
|
97.5
|
Awst 2008
|
95.1
|
93.9
|
94.3
|
Medi 2008
|
92.8
|
92.7
|
91.5
|
Hydref 2008
|
91.2
|
90.3
|
90.3
|
Tachwedd 2008
|
87.8
|
86.8
|
87.3
|
Rhagfyr 2008
|
87.7
|
87.1
|
86.8
|
Ionawr 2009
|
85.7
|
85.7
|
84.5
|
Chwefror 2009
|
84.5
|
83.8
|
84.0
|
Mawrth 2009
|
84.5
|
83.7
|
83.5
|
Ebrill 2009
|
84.8
|
84.0
|
84.2
|
Mai 2009
|
84.5
|
83.4
|
84.1
|
Mehefin 2009
|
86.6
|
85.5
|
86.0
|
Gorffennaf 2009
|
87.4
|
86.4
|
86.7
|
Awst 2009
|
88.7
|
87.9
|
88.1
|
Medi 2009
|
88.8
|
88.3
|
88.2
|
Hydref 2009
|
90.0
|
89.3
|
89.7
|
Tachwedd 2009
|
90.2
|
89.9
|
89.3
|
Rhagfyr 2009
|
91.5
|
89.7
|
91.3
|
Ionawr 2010
|
88.8
|
89.6
|
88.0
|
Chwefror 2010
|
90.8
|
90.6
|
90.5
|
Mawrth 2010
|
89.7
|
89.7
|
89.0
|
Ebrill 2010
|
90.8
|
90.3
|
90.4
|
Mai 2010
|
92.2
|
92.1
|
91.6
|
Mehefin 2010
|
92.5
|
91.9
|
92.0
|
Gorffennaf 2010
|
93.0
|
93.5
|
92.4
|
Awst 2010
|
93.7
|
94.0
|
93.4
|
Medi 2010
|
92.5
|
93.1
|
91.6
|
Hydref 2010
|
91.8
|
92.5
|
91.2
|
Tachwedd 2010
|
91.1
|
92.0
|
90.4
|
Rhagfyr 2010
|
90.5
|
90.4
|
90.2
|
Ionawr 2011
|
88.8
|
89.8
|
88.0
|
Chwefror 2011
|
89.3
|
89.9
|
88.6
|
Mawrth 2011
|
88.8
|
89.8
|
87.6
|
Ebrill 2011
|
89.2
|
89.9
|
88.4
|
Mai 2011
|
89.4
|
89.9
|
88.8
|
Mehefin 2011
|
89.7
|
89.4
|
89.5
|
Gorffennaf 2011
|
91.1
|
91.3
|
90.4
|
Awst 2011
|
91.5
|
92.3
|
91.1
|
Medi 2011
|
90.4
|
90.9
|
89.8
|
Hydref 2011
|
89.5
|
90.3
|
89.1
|
Tachwedd 2011
|
89.7
|
90.4
|
89.3
|
Rhagfyr 2011
|
90.3
|
90.6
|
90.1
|
Ionawr 2012
|
88.7
|
88.9
|
88.6
|
Chwefror 2012
|
88.6
|
88.6
|
88.2
|
Mawrth 2012
|
89.2
|
88.4
|
89.2
|
Ebrill 2012
|
90.1
|
90.5
|
89.7
|
Mai 2012
|
90.0
|
90.0
|
89.7
|
Mehefin 2012
|
90.8
|
90.0
|
90.5
|
Gorffennaf 2012
|
91.7
|
91.8
|
91.4
|
Awst 2012
|
91.0
|
90.9
|
90.7
|
Medi 2012
|
90.6
|
90.6
|
90.1
|
Hydref 2012
|
90.7
|
90.5
|
90.5
|
Tachwedd 2012
|
90.8
|
90.8
|
90.6
|
Rhagfyr 2012
|
90.4
|
90.5
|
90.0
|
Ionawr 2013
|
89.5
|
89.4
|
89.5
|
Chwefror 2013
|
89.5
|
89.4
|
89.3
|
Mawrth 2013
|
90.2
|
90.4
|
89.7
|
Ebrill 2013
|
90.7
|
90.7
|
90.4
|
Mai 2013
|
91.8
|
91.6
|
91.6
|
Mehefin 2013
|
92.0
|
91.2
|
91.9
|
Gorffennaf 2013
|
92.8
|
92.6
|
92.5
|
Awst 2013
|
93.7
|
93.6
|
93.7
|
Medi 2013
|
93.4
|
93.7
|
92.7
|
Hydref 2013
|
94.0
|
94.6
|
93.6
|
Tachwedd 2013
|
93.4
|
93.4
|
93.4
|
Rhagfyr 2013
|
95.0
|
94.3
|
95.2
|
Ionawr 2014
|
94.5
|
94.7
|
94.2
|
Chwefror 2014
|
95.5
|
95.5
|
95.4
|
Mawrth 2014
|
95.3
|
94.8
|
95.5
|
Ebrill 2014
|
97.2
|
96.9
|
97.1
|
Mai 2014
|
97.6
|
97.1
|
97.7
|
Mehefin 2014
|
98.6
|
97.6
|
98.9
|
Gorffennaf 2014
|
99.3
|
99.0
|
99.2
|
Awst 2014
|
100.9
|
100.7
|
100.9
|
Medi 2014
|
101.0
|
100.6
|
100.9
|
Hydref 2014
|
100.3
|
100.2
|
100.3
|
Tachwedd 2014
|
100.2
|
100.4
|
100.3
|
Rhagfyr 2014
|
100.2
|
100.0
|
100.2
|
Ionawr 2015
|
100.0
|
100.0
|
100.0
|
Chwefror 2015
|
100.4
|
100.1
|
100.1
|
Mawrth 2015
|
100.7
|
101.0
|
100.6
|
Ebrill 2015
|
101.3
|
101.3
|
101.3
|
Mai 2015
|
102.6
|
102.6
|
102.8
|
Mehefin 2015
|
103.4
|
103.3
|
103.6
|
Gorffennaf 2015
|
104.9
|
104.8
|
105.1
|
Awst 2015
|
106.2
|
106.4
|
106.2
|
Medi 2015
|
105.5
|
106.1
|
105.2
|
Hydref 2015
|
106.6
|
106.9
|
106.6
|
Tachwedd 2015
|
107.0
|
107.5
|
107.2
|
Rhagfyr 2015
|
107.4
|
108.0
|
107.3
|
Ionawr 2016
|
107.3
|
107.6
|
107.6
|
Chwefror 2016
|
107.0
|
106.9
|
107.2
|
Mawrth 2016
|
107.5
|
108.2
|
107.1
|
Ebrill 2016
|
109.3
|
109.4
|
109.4
|
Mai 2016
|
109.8
|
109.1
|
110.0
|
Mehefin 2016
|
110.7
|
110.8
|
110.5
|
Gorffennaf 2016
|
111.8
|
111.5
|
111.8
|
Awst 2016
|
112.4
|
112.2
|
112.2
|
Medi 2016
|
112.8
|
112.9
|
112.7
|
Hydref 2016
|
112.2
|
112.9
|
112.2
|
Tachwedd 2016
|
113.2
|
114.4
|
112.9
|
Rhagfyr 2016
|
113.7
|
114.2
|
113.4
|
Ionawr 2017
|
112.6
|
113.7
|
112.4
|
Chwefror 2017
|
114.0
|
114.6
|
113.4
|
Mawrth 2017
|
113.8
|
114.9
|
113.5
|
Ebrill 2017
|
115.8
|
116.5
|
115.4
|
Mai 2017
|
116.5
|
116.4
|
116.8
|
Mehefin 2017
|
117.3
|
117.4
|
117.0
|
Gorffennaf 2017
|
119.2
|
119.2
|
119.1
|
Awst 2017
|
118.9
|
118.7
|
118.7
|
Medi 2017
|
119.6
|
120.0
|
119.3
|
Hydref 2017
|
119.8
|
120.4
|
119.9
|
Tachwedd 2017
|
119.7
|
119.9
|
120.0
|
Rhagfyr 2017
|
120.4
|
120.5
|
120.4
|
Ionawr 2018
|
120.1
|
120.5
|
120.4
|
Chwefror 2018
|
121.8
|
122.4
|
122.0
|
Mawrth 2018
|
120.3
|
120.9
|
120.3
|
Ebrill 2018
|
121.9
|
122.2
|
122.1
|
Mai 2018
|
122.9
|
123.1
|
123.2
|
Mehefin 2018
|
123.2
|
123.3
|
123.8
|
Gorffennaf 2018
|
124.4
|
125.2
|
124.6
|
Awst 2018
|
125.3
|
125.5
|
125.7
|
Medi 2018
|
126.3
|
127.0
|
126.6
|
Hydref 2018
|
124.7
|
125.5
|
125.1
|
Tachwedd 2018
|
125.6
|
126.3
|
126.0
|
Rhagfyr 2018
|
124.7
|
125.0
|
125.4
|
Ionawr 2019
|
124.4
|
126.0
|
124.8
|
Chwefror 2019
|
124.3
|
125.4
|
124.5
|
Mawrth 2019
|
124.0
|
124.7
|
124.7
|
Ebrill 2019
|
124.7
|
125.1
|
125.2
|
Mai 2019
|
124.9
|
124.7
|
125.8
|
Mehefin 2019
|
125.0
|
125.2
|
125.8
|
Gorffennaf 2019
|
125.9
|
126.0
|
126.5
|
Awst 2019
|
127.1
|
127.6
|
127.5
|
Medi 2019
|
126.8
|
127.1
|
127.1
|
Hydref 2019
|
126.7
|
126.7
|
128.0
|
Tachwedd 2019
|
126.8
|
127.4
|
127.9
|
Rhagfyr 2019
|
126.6
|
126.6
|
127.6
|
Ionawr 2020
|
127.0
|
127.2
|
128.3
|
Chwefror 2020
|
125.9
|
125.9
|
126.9
|
Mawrth 2020
|
127.4
|
127.6
|
128.2
|
Ebrill 2020
|
127.0
|
127.7
|
127.9
|
Mai 2020
|
126.6
|
126.7
|
128.1
|
Mehefin 2020
|
129.2
|
128.6
|
130.5
|
Gorffennaf 2020
|
130.4
|
130.4
|
131.6
|
Awst 2020
|
130.8
|
131.1
|
132.2
|
Medi 2020
|
131.2
|
132.0
|
132.0
|
Hydref 2020
|
133.0
|
133.7
|
133.8
|
Tachwedd 2020
|
134.7
|
135.2
|
135.4
|
Rhagfyr 2020
|
136.4
|
136.9
|
137.0
|
Ionawr 2021
|
136.6
|
135.2
|
137.9
|
Chwefror 2021
|
138.2
|
136.4
|
139.2
|
Mawrth 2021
|
138.9
|
137.0
|
139.7
|
Ebrill 2021
|
136.9
|
135.6
|
137.8
|
Mai 2021
|
137.6
|
136.1
|
138.5
|
Mehefin 2021
|
145.6
|
142.9
|
146.0
|
Gorffennaf 2021
|
137.1
|
135.7
|
138.6
|
Awst 2021
|
141.5
|
140.5
|
142.9
|
Medi 2021
|
146.9
|
144.5
|
148.1
|
Hydref 2021
|
143.8
|
144.9
|
144.4
|
Tachwedd 2021
|
146.0
|
146.0
|
147.2
|
Rhagfyr 2021
|
147.5
|
147.3
|
148.1
|
Ionawr 2022
|
148.7
|
148.3
|
150.1
|
Chwefror 2022
|
149.4
|
148.5
|
151.0
|
Mawrth 2022
|
150.7
|
150.4
|
152.1
|
Ebrill 2022
|
151.8
|
151.2
|
153.0
|
Mai 2022
|
153.5
|
152.5
|
155.2
|
Mehefin 2022
|
156.4
|
154.8
|
158.1
|
Gorffennaf 2022
|
157.8
|
156.5
|
160.0
|
Awst 2022
|
160.5
|
159.1
|
162.4
|
Medi 2022
|
160.4
|
159.6
|
162.1
|
Hydref 2022
|
160.8
|
159.7
|
162.7
|
Tachwedd 2022
|
161.4
|
160.6
|
163.2
|
Rhagfyr 2022
|
161.7
|
160.0
|
163.9
|
Ionawr 2023
|
159.2
|
158.7
|
161.1
|
Chwefror 2023
|
158.1
|
157.8
|
159.8
|
Mawrth 2023
|
156.1
|
155.9
|
158.4
|
Ebrill 2023
|
155.9
|
155.5
|
157.7
|
Mai 2023
|
155.3
|
154.0
|
157.4
|
Mehefin 2023
|
157.6
|
156.0
|
159.2
|
Gorffennaf 2023
|
158.1
|
157.3
|
160.4
|
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
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
|
Mawrth 2002
|
76142.0
|
Ebrill 2002
|
77846.0
|
Mai 2002
|
80536.0
|
Mehefin 2002
|
82331.0
|
Gorffennaf 2002
|
85993.0
|
Awst 2002
|
88766.0
|
Medi 2002
|
89359.0
|
Hydref 2002
|
91576.0
|
Tachwedd 2002
|
94660.0
|
Rhagfyr 2002
|
95921.0
|
Ionawr 2003
|
97905.0
|
Chwefror 2003
|
99908.0
|
Mawrth 2003
|
99029.0
|
Ebrill 2003
|
103919.0
|
Mai 2003
|
106181.0
|
Mehefin 2003
|
107021.0
|
Gorffennaf 2003
|
109048.0
|
Awst 2003
|
112096.0
|
Medi 2003
|
112159.0
|
Hydref 2003
|
113900.0
|
Tachwedd 2003
|
115178.0
|
Rhagfyr 2003
|
115556.0
|
Ionawr 2004
|
116715.0
|
Chwefror 2004
|
117356.0
|
Mawrth 2004
|
118503.0
|
Ebrill 2004
|
123290.0
|
Mai 2004
|
125878.0
|
Mehefin 2004
|
128025.0
|
Gorffennaf 2004
|
131370.0
|
Awst 2004
|
133659.0
|
Medi 2004
|
134534.0
|
Hydref 2004
|
134191.0
|
Tachwedd 2004
|
135643.0
|
Rhagfyr 2004
|
134663.0
|
Ionawr 2005
|
132004.0
|
Chwefror 2005
|
133234.0
|
Mawrth 2005
|
133637.0
|
Ebrill 2005
|
135042.0
|
Mai 2005
|
136703.0
|
Mehefin 2005
|
136335.0
|
Gorffennaf 2005
|
138051.0
|
Awst 2005
|
139051.0
|
Medi 2005
|
137986.0
|
Hydref 2005
|
139018.0
|
Tachwedd 2005
|
138884.0
|
Rhagfyr 2005
|
138552.0
|
Ionawr 2006
|
136939.0
|
Chwefror 2006
|
136988.0
|
Mawrth 2006
|
137738.0
|
Ebrill 2006
|
141668.0
|
Mai 2006
|
141483.0
|
Mehefin 2006
|
142883.0
|
Gorffennaf 2006
|
145628.0
|
Awst 2006
|
146544.0
|
Medi 2006
|
144872.0
|
Hydref 2006
|
146450.0
|
Tachwedd 2006
|
146931.0
|
Rhagfyr 2006
|
148377.0
|
Ionawr 2007
|
147921.0
|
Chwefror 2007
|
148553.0
|
Mawrth 2007
|
149294.0
|
Ebrill 2007
|
150760.0
|
Mai 2007
|
150873.0
|
Mehefin 2007
|
152823.0
|
Gorffennaf 2007
|
154329.0
|
Awst 2007
|
155826.0
|
Medi 2007
|
156164.0
|
Hydref 2007
|
154187.0
|
Tachwedd 2007
|
154620.0
|
Rhagfyr 2007
|
153765.0
|
Ionawr 2008
|
149586.0
|
Chwefror 2008
|
149099.0
|
Mawrth 2008
|
148592.0
|
Ebrill 2008
|
148716.0
|
Mai 2008
|
148455.0
|
Mehefin 2008
|
148069.0
|
Gorffennaf 2008
|
147591.0
|
Awst 2008
|
143135.0
|
Medi 2008
|
139524.0
|
Hydref 2008
|
137099.0
|
Tachwedd 2008
|
131809.0
|
Rhagfyr 2008
|
132001.0
|
Ionawr 2009
|
128778.0
|
Chwefror 2009
|
126872.0
|
Mawrth 2009
|
126756.0
|
Ebrill 2009
|
127281.0
|
Mai 2009
|
127035.0
|
Mehefin 2009
|
130377.0
|
Gorffennaf 2009
|
131475.0
|
Awst 2009
|
133791.0
|
Medi 2009
|
133698.0
|
Hydref 2009
|
135641.0
|
Tachwedd 2009
|
135851.0
|
Rhagfyr 2009
|
137907.0
|
Ionawr 2010
|
134458.0
|
Chwefror 2010
|
136878.0
|
Mawrth 2010
|
135098.0
|
Ebrill 2010
|
136977.0
|
Mai 2010
|
139219.0
|
Mehefin 2010
|
139680.0
|
Gorffennaf 2010
|
140746.0
|
Awst 2010
|
141515.0
|
Medi 2010
|
139463.0
|
Hydref 2010
|
138361.0
|
Tachwedd 2010
|
137303.0
|
Rhagfyr 2010
|
136192.0
|
Ionawr 2011
|
133525.0
|
Chwefror 2011
|
134314.0
|
Mawrth 2011
|
133276.0
|
Ebrill 2011
|
134064.0
|
Mai 2011
|
134331.0
|
Mehefin 2011
|
134973.0
|
Gorffennaf 2011
|
137105.0
|
Awst 2011
|
137843.0
|
Medi 2011
|
136119.0
|
Hydref 2011
|
134590.0
|
Tachwedd 2011
|
134830.0
|
Rhagfyr 2011
|
135809.0
|
Ionawr 2012
|
133555.0
|
Chwefror 2012
|
133198.0
|
Mawrth 2012
|
134023.0
|
Ebrill 2012
|
135498.0
|
Mai 2012
|
135295.0
|
Mehefin 2012
|
136680.0
|
Gorffennaf 2012
|
138479.0
|
Awst 2012
|
137170.0
|
Medi 2012
|
136491.0
|
Hydref 2012
|
136386.0
|
Tachwedd 2012
|
136364.0
|
Rhagfyr 2012
|
135785.0
|
Ionawr 2013
|
134818.0
|
Chwefror 2013
|
134753.0
|
Mawrth 2013
|
135444.0
|
Ebrill 2013
|
136301.0
|
Mai 2013
|
137957.0
|
Mehefin 2013
|
138451.0
|
Gorffennaf 2013
|
139599.0
|
Awst 2013
|
141145.0
|
Medi 2013
|
140434.0
|
Hydref 2013
|
141292.0
|
Tachwedd 2013
|
140312.0
|
Rhagfyr 2013
|
142590.0
|
Ionawr 2014
|
142061.0
|
Chwefror 2014
|
143379.0
|
Mawrth 2014
|
143066.0
|
Ebrill 2014
|
145932.0
|
Mai 2014
|
146413.0
|
Mehefin 2014
|
148076.0
|
Gorffennaf 2014
|
149396.0
|
Awst 2014
|
151872.0
|
Medi 2014
|
152129.0
|
Hydref 2014
|
150873.0
|
Tachwedd 2014
|
150814.0
|
Rhagfyr 2014
|
150415.0
|
Ionawr 2015
|
150134.0
|
Chwefror 2015
|
150566.0
|
Mawrth 2015
|
151041.0
|
Ebrill 2015
|
152098.0
|
Mai 2015
|
154155.0
|
Mehefin 2015
|
155641.0
|
Gorffennaf 2015
|
157680.0
|
Awst 2015
|
159763.0
|
Medi 2015
|
158730.0
|
Hydref 2015
|
160187.0
|
Tachwedd 2015
|
160863.0
|
Rhagfyr 2015
|
161144.0
|
Ionawr 2016
|
161242.0
|
Chwefror 2016
|
160875.0
|
Mawrth 2016
|
161873.0
|
Ebrill 2016
|
163736.0
|
Mai 2016
|
164354.0
|
Mehefin 2016
|
166111.0
|
Gorffennaf 2016
|
167806.0
|
Awst 2016
|
168727.0
|
Medi 2016
|
169264.0
|
Hydref 2016
|
168212.0
|
Tachwedd 2016
|
169591.0
|
Rhagfyr 2016
|
170387.0
|
Ionawr 2017
|
168364.0
|
Chwefror 2017
|
170689.0
|
Mawrth 2017
|
170444.0
|
Ebrill 2017
|
173489.0
|
Mai 2017
|
174490.0
|
Mehefin 2017
|
175844.0
|
Gorffennaf 2017
|
178677.0
|
Awst 2017
|
178357.0
|
Medi 2017
|
179228.0
|
Hydref 2017
|
179365.0
|
Tachwedd 2017
|
179484.0
|
Rhagfyr 2017
|
180354.0
|
Ionawr 2018
|
179688.0
|
Chwefror 2018
|
181548.0
|
Mawrth 2018
|
179973.0
|
Ebrill 2018
|
182199.0
|
Mai 2018
|
184289.0
|
Mehefin 2018
|
184581.0
|
Gorffennaf 2018
|
186529.0
|
Awst 2018
|
187731.0
|
Medi 2018
|
189327.0
|
Hydref 2018
|
186499.0
|
Tachwedd 2018
|
188579.0
|
Rhagfyr 2018
|
186936.0
|
Ionawr 2019
|
186316.0
|
Chwefror 2019
|
185402.0
|
Mawrth 2019
|
185547.0
|
Ebrill 2019
|
186462.0
|
Mai 2019
|
187136.0
|
Mehefin 2019
|
187502.0
|
Gorffennaf 2019
|
188128.0
|
Awst 2019
|
190482.0
|
Medi 2019
|
189769.0
|
Hydref 2019
|
189657.0
|
Tachwedd 2019
|
190631.0
|
Rhagfyr 2019
|
190179.0
|
Ionawr 2020
|
189497.0
|
Chwefror 2020
|
189141.0
|
Mawrth 2020
|
190629.0
|
Ebrill 2020
|
189173.0
|
Mai 2020
|
189026.0
|
Mehefin 2020
|
194398.0
|
Gorffennaf 2020
|
195325.0
|
Awst 2020
|
195931.0
|
Medi 2020
|
196781.0
|
Hydref 2020
|
199973.0
|
Tachwedd 2020
|
203056.0
|
Rhagfyr 2020
|
205416.0
|
Ionawr 2021
|
206384.0
|
Chwefror 2021
|
208583.0
|
Mawrth 2021
|
209454.0
|
Ebrill 2021
|
205990.0
|
Mai 2021
|
207488.0
|
Mehefin 2021
|
220581.0
|
Gorffennaf 2021
|
205919.0
|
Awst 2021
|
214084.0
|
Medi 2021
|
222551.0
|
Hydref 2021
|
217606.0
|
Tachwedd 2021
|
220634.0
|
Rhagfyr 2021
|
223744.0
|
Ionawr 2022
|
225050.0
|
Chwefror 2022
|
225935.0
|
Mawrth 2022
|
227731.0
|
Ebrill 2022
|
229723.0
|
Mai 2022
|
232393.0
|
Mehefin 2022
|
236766.0
|
Gorffennaf 2022
|
238846.0
|
Awst 2022
|
242901.0
|
Medi 2022
|
242831.0
|
Hydref 2022
|
243467.0
|
Tachwedd 2022
|
244053.0
|
Rhagfyr 2022
|
244795.0
|
Ionawr 2023
|
240655.0
|
Chwefror 2023
|
238658.0
|
Mawrth 2023
|
235673.0
|
Ebrill 2023
|
235333.0
|
Mai 2023
|
234490.0
|
Mehefin 2023
|
238289.0
|
Gorffennaf 2023
|
239062.0
|
Dyddiad
|
Eiddo presennol
|
Mawrth 2002
|
18.6
|
Ebrill 2002
|
17.7
|
Mai 2002
|
19.6
|
Mehefin 2002
|
20.7
|
Gorffennaf 2002
|
24.6
|
Awst 2002
|
26.3
|
Medi 2002
|
26.5
|
Hydref 2002
|
28.4
|
Tachwedd 2002
|
30.7
|
Rhagfyr 2002
|
30.9
|
Ionawr 2003
|
33.9
|
Chwefror 2003
|
34.8
|
Mawrth 2003
|
30.1
|
Ebrill 2003
|
33.5
|
Mai 2003
|
31.8
|
Mehefin 2003
|
30.0
|
Gorffennaf 2003
|
26.8
|
Awst 2003
|
26.3
|
Medi 2003
|
25.5
|
Hydref 2003
|
24.4
|
Tachwedd 2003
|
21.7
|
Rhagfyr 2003
|
20.5
|
Ionawr 2004
|
19.2
|
Chwefror 2004
|
17.5
|
Mawrth 2004
|
19.7
|
Ebrill 2004
|
18.6
|
Mai 2004
|
18.6
|
Mehefin 2004
|
19.6
|
Gorffennaf 2004
|
20.5
|
Awst 2004
|
19.2
|
Medi 2004
|
20.0
|
Hydref 2004
|
17.8
|
Tachwedd 2004
|
17.8
|
Rhagfyr 2004
|
16.5
|
Ionawr 2005
|
13.1
|
Chwefror 2005
|
13.5
|
Mawrth 2005
|
12.8
|
Ebrill 2005
|
9.5
|
Mai 2005
|
8.6
|
Mehefin 2005
|
6.5
|
Gorffennaf 2005
|
5.1
|
Awst 2005
|
4.0
|
Medi 2005
|
2.6
|
Hydref 2005
|
3.6
|
Tachwedd 2005
|
2.4
|
Rhagfyr 2005
|
2.9
|
Ionawr 2006
|
3.7
|
Chwefror 2006
|
2.8
|
Mawrth 2006
|
3.1
|
Ebrill 2006
|
4.9
|
Mai 2006
|
3.5
|
Mehefin 2006
|
4.8
|
Gorffennaf 2006
|
5.5
|
Awst 2006
|
5.4
|
Medi 2006
|
5.0
|
Hydref 2006
|
5.4
|
Tachwedd 2006
|
5.8
|
Rhagfyr 2006
|
7.1
|
Ionawr 2007
|
8.0
|
Chwefror 2007
|
8.4
|
Mawrth 2007
|
8.4
|
Ebrill 2007
|
6.4
|
Mai 2007
|
6.6
|
Mehefin 2007
|
7.0
|
Gorffennaf 2007
|
6.0
|
Awst 2007
|
6.3
|
Medi 2007
|
7.8
|
Hydref 2007
|
5.3
|
Tachwedd 2007
|
5.2
|
Rhagfyr 2007
|
3.6
|
Ionawr 2008
|
1.1
|
Chwefror 2008
|
0.4
|
Mawrth 2008
|
-0.5
|
Ebrill 2008
|
-1.4
|
Mai 2008
|
-1.6
|
Mehefin 2008
|
-3.1
|
Gorffennaf 2008
|
-4.4
|
Awst 2008
|
-8.1
|
Medi 2008
|
-10.7
|
Hydref 2008
|
-11.1
|
Tachwedd 2008
|
-14.8
|
Rhagfyr 2008
|
-14.2
|
Ionawr 2009
|
-13.9
|
Chwefror 2009
|
-14.9
|
Mawrth 2009
|
-14.7
|
Ebrill 2009
|
-14.4
|
Mai 2009
|
-14.4
|
Mehefin 2009
|
-12.0
|
Gorffennaf 2009
|
-10.9
|
Awst 2009
|
-6.5
|
Medi 2009
|
-4.2
|
Hydref 2009
|
-1.1
|
Tachwedd 2009
|
3.1
|
Rhagfyr 2009
|
4.5
|
Ionawr 2010
|
4.4
|
Chwefror 2010
|
7.9
|
Mawrth 2010
|
6.6
|
Ebrill 2010
|
7.6
|
Mai 2010
|
9.6
|
Mehefin 2010
|
7.1
|
Gorffennaf 2010
|
7.0
|
Awst 2010
|
5.8
|
Medi 2010
|
4.3
|
Hydref 2010
|
2.0
|
Tachwedd 2010
|
1.1
|
Rhagfyr 2010
|
-1.2
|
Ionawr 2011
|
-0.7
|
Chwefror 2011
|
-1.9
|
Mawrth 2011
|
-1.4
|
Ebrill 2011
|
-2.1
|
Mai 2011
|
-3.5
|
Mehefin 2011
|
-3.4
|
Gorffennaf 2011
|
-2.6
|
Awst 2011
|
-2.6
|
Medi 2011
|
-2.4
|
Hydref 2011
|
-2.7
|
Tachwedd 2011
|
-1.8
|
Rhagfyr 2011
|
-0.3
|
Ionawr 2012
|
0.0
|
Chwefror 2012
|
-0.8
|
Mawrth 2012
|
0.6
|
Ebrill 2012
|
1.1
|
Mai 2012
|
0.7
|
Mehefin 2012
|
1.3
|
Gorffennaf 2012
|
1.0
|
Awst 2012
|
-0.5
|
Medi 2012
|
0.3
|
Hydref 2012
|
1.3
|
Tachwedd 2012
|
1.1
|
Rhagfyr 2012
|
-0.0
|
Ionawr 2013
|
1.0
|
Chwefror 2013
|
1.2
|
Mawrth 2013
|
1.1
|
Ebrill 2013
|
0.6
|
Mai 2013
|
2.0
|
Mehefin 2013
|
1.3
|
Gorffennaf 2013
|
0.8
|
Awst 2013
|
2.9
|
Medi 2013
|
2.9
|
Hydref 2013
|
3.6
|
Tachwedd 2013
|
2.9
|
Rhagfyr 2013
|
5.0
|
Ionawr 2014
|
5.4
|
Chwefror 2014
|
6.4
|
Mawrth 2014
|
5.6
|
Ebrill 2014
|
7.1
|
Mai 2014
|
6.1
|
Mehefin 2014
|
7.0
|
Gorffennaf 2014
|
7.0
|
Awst 2014
|
7.6
|
Medi 2014
|
8.3
|
Hydref 2014
|
6.8
|
Tachwedd 2014
|
7.5
|
Rhagfyr 2014
|
5.5
|
Ionawr 2015
|
5.7
|
Chwefror 2015
|
5.0
|
Mawrth 2015
|
5.6
|
Ebrill 2015
|
4.2
|
Mai 2015
|
5.3
|
Mehefin 2015
|
5.1
|
Gorffennaf 2015
|
5.5
|
Awst 2015
|
5.2
|
Medi 2015
|
4.3
|
Hydref 2015
|
6.2
|
Tachwedd 2015
|
6.7
|
Rhagfyr 2015
|
7.1
|
Ionawr 2016
|
7.4
|
Chwefror 2016
|
6.8
|
Mawrth 2016
|
7.2
|
Ebrill 2016
|
7.6
|
Mai 2016
|
6.6
|
Mehefin 2016
|
6.7
|
Gorffennaf 2016
|
6.4
|
Awst 2016
|
5.6
|
Medi 2016
|
6.6
|
Hydref 2016
|
5.0
|
Tachwedd 2016
|
5.4
|
Rhagfyr 2016
|
5.7
|
Ionawr 2017
|
4.4
|
Chwefror 2017
|
6.1
|
Mawrth 2017
|
5.3
|
Ebrill 2017
|
6.0
|
Mai 2017
|
6.2
|
Mehefin 2017
|
5.9
|
Gorffennaf 2017
|
6.5
|
Awst 2017
|
5.7
|
Medi 2017
|
5.9
|
Hydref 2017
|
6.6
|
Tachwedd 2017
|
5.8
|
Rhagfyr 2017
|
5.8
|
Ionawr 2018
|
6.7
|
Chwefror 2018
|
6.4
|
Mawrth 2018
|
5.6
|
Ebrill 2018
|
5.0
|
Mai 2018
|
5.6
|
Mehefin 2018
|
5.0
|
Gorffennaf 2018
|
4.4
|
Awst 2018
|
5.3
|
Medi 2018
|
5.6
|
Hydref 2018
|
4.0
|
Tachwedd 2018
|
5.1
|
Rhagfyr 2018
|
3.6
|
Ionawr 2019
|
3.7
|
Chwefror 2019
|
2.1
|
Mawrth 2019
|
3.1
|
Ebrill 2019
|
2.3
|
Mai 2019
|
1.5
|
Mehefin 2019
|
1.6
|
Gorffennaf 2019
|
0.9
|
Awst 2019
|
1.5
|
Medi 2019
|
0.2
|
Hydref 2019
|
1.7
|
Tachwedd 2019
|
1.1
|
Rhagfyr 2019
|
1.7
|
Ionawr 2020
|
1.7
|
Chwefror 2020
|
2.0
|
Mawrth 2020
|
2.7
|
Ebrill 2020
|
1.4
|
Mai 2020
|
1.0
|
Mehefin 2020
|
3.7
|
Gorffennaf 2020
|
3.8
|
Awst 2020
|
2.9
|
Medi 2020
|
3.7
|
Hydref 2020
|
5.4
|
Tachwedd 2020
|
6.5
|
Rhagfyr 2020
|
8.0
|
Ionawr 2021
|
8.9
|
Chwefror 2021
|
10.3
|
Mawrth 2021
|
9.9
|
Ebrill 2021
|
8.9
|
Mai 2021
|
9.8
|
Mehefin 2021
|
13.5
|
Gorffennaf 2021
|
5.4
|
Awst 2021
|
9.3
|
Medi 2021
|
13.1
|
Hydref 2021
|
8.8
|
Tachwedd 2021
|
8.7
|
Rhagfyr 2021
|
8.9
|
Ionawr 2022
|
9.0
|
Chwefror 2022
|
8.3
|
Mawrth 2022
|
8.7
|
Ebrill 2022
|
11.5
|
Mai 2022
|
12.0
|
Mehefin 2022
|
7.3
|
Gorffennaf 2022
|
16.0
|
Awst 2022
|
13.5
|
Medi 2022
|
9.1
|
Hydref 2022
|
11.9
|
Tachwedd 2022
|
10.6
|
Rhagfyr 2022
|
9.4
|
Ionawr 2023
|
6.9
|
Chwefror 2023
|
5.6
|
Mawrth 2023
|
3.5
|
Ebrill 2023
|
2.4
|
Mai 2023
|
0.9
|
Mehefin 2023
|
0.6
|
Gorffennaf 2023
|
0.1
|
Dyddiad
|
Eiddo presennol
|
Mawrth 2002
|
2.7
|
Ebrill 2002
|
2.2
|
Mai 2002
|
3.5
|
Mehefin 2002
|
2.2
|
Gorffennaf 2002
|
4.4
|
Awst 2002
|
3.2
|
Medi 2002
|
0.7
|
Hydref 2002
|
2.5
|
Tachwedd 2002
|
3.4
|
Rhagfyr 2002
|
1.3
|
Ionawr 2003
|
2.1
|
Chwefror 2003
|
2.0
|
Mawrth 2003
|
-0.9
|
Ebrill 2003
|
4.9
|
Mai 2003
|
2.2
|
Mehefin 2003
|
0.8
|
Gorffennaf 2003
|
1.9
|
Awst 2003
|
2.8
|
Medi 2003
|
0.1
|
Hydref 2003
|
1.6
|
Tachwedd 2003
|
1.1
|
Rhagfyr 2003
|
0.3
|
Ionawr 2004
|
1.0
|
Chwefror 2004
|
0.6
|
Mawrth 2004
|
1.0
|
Ebrill 2004
|
4.0
|
Mai 2004
|
2.1
|
Mehefin 2004
|
1.7
|
Gorffennaf 2004
|
2.6
|
Awst 2004
|
1.7
|
Medi 2004
|
0.7
|
Hydref 2004
|
-0.3
|
Tachwedd 2004
|
1.1
|
Rhagfyr 2004
|
-0.7
|
Ionawr 2005
|
-2.0
|
Chwefror 2005
|
0.9
|
Mawrth 2005
|
0.3
|
Ebrill 2005
|
1.0
|
Mai 2005
|
1.2
|
Mehefin 2005
|
-0.3
|
Gorffennaf 2005
|
1.3
|
Awst 2005
|
0.7
|
Medi 2005
|
-0.8
|
Hydref 2005
|
0.8
|
Tachwedd 2005
|
-0.1
|
Rhagfyr 2005
|
-0.2
|
Ionawr 2006
|
-1.2
|
Chwefror 2006
|
0.0
|
Mawrth 2006
|
0.6
|
Ebrill 2006
|
2.8
|
Mai 2006
|
-0.1
|
Mehefin 2006
|
1.0
|
Gorffennaf 2006
|
1.9
|
Awst 2006
|
0.6
|
Medi 2006
|
-1.1
|
Hydref 2006
|
1.1
|
Tachwedd 2006
|
0.3
|
Rhagfyr 2006
|
1.0
|
Ionawr 2007
|
-0.3
|
Chwefror 2007
|
0.4
|
Mawrth 2007
|
0.5
|
Ebrill 2007
|
1.0
|
Mai 2007
|
0.1
|
Mehefin 2007
|
1.3
|
Gorffennaf 2007
|
1.0
|
Awst 2007
|
1.0
|
Medi 2007
|
0.2
|
Hydref 2007
|
-1.3
|
Tachwedd 2007
|
0.3
|
Rhagfyr 2007
|
-0.6
|
Ionawr 2008
|
-2.7
|
Chwefror 2008
|
-0.3
|
Mawrth 2008
|
-0.3
|
Ebrill 2008
|
0.1
|
Mai 2008
|
-0.2
|
Mehefin 2008
|
-0.3
|
Gorffennaf 2008
|
-0.3
|
Awst 2008
|
-3.0
|
Medi 2008
|
-2.5
|
Hydref 2008
|
-1.7
|
Tachwedd 2008
|
-3.9
|
Rhagfyr 2008
|
0.1
|
Ionawr 2009
|
-2.4
|
Chwefror 2009
|
-1.5
|
Mawrth 2009
|
-0.1
|
Ebrill 2009
|
0.4
|
Mai 2009
|
-0.2
|
Mehefin 2009
|
2.6
|
Gorffennaf 2009
|
0.8
|
Awst 2009
|
1.8
|
Medi 2009
|
-0.1
|
Hydref 2009
|
1.4
|
Tachwedd 2009
|
0.2
|
Rhagfyr 2009
|
1.5
|
Ionawr 2010
|
-2.5
|
Chwefror 2010
|
1.8
|
Mawrth 2010
|
-1.3
|
Ebrill 2010
|
1.4
|
Mai 2010
|
1.6
|
Mehefin 2010
|
0.3
|
Gorffennaf 2010
|
0.8
|
Awst 2010
|
0.6
|
Medi 2010
|
-1.4
|
Hydref 2010
|
-0.8
|
Tachwedd 2010
|
-0.8
|
Rhagfyr 2010
|
-0.8
|
Ionawr 2011
|
-2.0
|
Chwefror 2011
|
0.6
|
Mawrth 2011
|
-0.8
|
Ebrill 2011
|
0.6
|
Mai 2011
|
0.2
|
Mehefin 2011
|
0.5
|
Gorffennaf 2011
|
1.6
|
Awst 2011
|
0.5
|
Medi 2011
|
-1.2
|
Hydref 2011
|
-1.1
|
Tachwedd 2011
|
0.2
|
Rhagfyr 2011
|
0.7
|
Ionawr 2012
|
-1.7
|
Chwefror 2012
|
-0.3
|
Mawrth 2012
|
0.6
|
Ebrill 2012
|
1.1
|
Mai 2012
|
-0.2
|
Mehefin 2012
|
1.0
|
Gorffennaf 2012
|
1.3
|
Awst 2012
|
-0.9
|
Medi 2012
|
-0.5
|
Hydref 2012
|
-0.1
|
Tachwedd 2012
|
-0.0
|
Rhagfyr 2012
|
-0.4
|
Ionawr 2013
|
-0.7
|
Chwefror 2013
|
-0.1
|
Mawrth 2013
|
0.5
|
Ebrill 2013
|
0.6
|
Mai 2013
|
1.2
|
Mehefin 2013
|
0.4
|
Gorffennaf 2013
|
0.8
|
Awst 2013
|
1.1
|
Medi 2013
|
-0.5
|
Hydref 2013
|
0.6
|
Tachwedd 2013
|
-0.7
|
Rhagfyr 2013
|
1.6
|
Ionawr 2014
|
-0.4
|
Chwefror 2014
|
0.9
|
Mawrth 2014
|
-0.2
|
Ebrill 2014
|
2.0
|
Mai 2014
|
0.3
|
Mehefin 2014
|
1.1
|
Gorffennaf 2014
|
0.9
|
Awst 2014
|
1.7
|
Medi 2014
|
0.2
|
Hydref 2014
|
-0.8
|
Tachwedd 2014
|
-0.0
|
Rhagfyr 2014
|
-0.3
|
Ionawr 2015
|
-0.2
|
Chwefror 2015
|
0.3
|
Mawrth 2015
|
0.3
|
Ebrill 2015
|
0.7
|
Mai 2015
|
1.4
|
Mehefin 2015
|
1.0
|
Gorffennaf 2015
|
1.3
|
Awst 2015
|
1.3
|
Medi 2015
|
-0.6
|
Hydref 2015
|
0.9
|
Tachwedd 2015
|
0.4
|
Rhagfyr 2015
|
0.2
|
Ionawr 2016
|
0.1
|
Chwefror 2016
|
-0.2
|
Mawrth 2016
|
0.6
|
Ebrill 2016
|
1.2
|
Mai 2016
|
0.4
|
Mehefin 2016
|
1.1
|
Gorffennaf 2016
|
1.0
|
Awst 2016
|
0.6
|
Medi 2016
|
0.3
|
Hydref 2016
|
-0.6
|
Tachwedd 2016
|
0.8
|
Rhagfyr 2016
|
0.5
|
Ionawr 2017
|
-1.2
|
Chwefror 2017
|
1.4
|
Mawrth 2017
|
-0.1
|
Ebrill 2017
|
1.8
|
Mai 2017
|
0.6
|
Mehefin 2017
|
0.8
|
Gorffennaf 2017
|
1.6
|
Awst 2017
|
-0.2
|
Medi 2017
|
0.5
|
Hydref 2017
|
0.1
|
Tachwedd 2017
|
0.1
|
Rhagfyr 2017
|
0.5
|
Ionawr 2018
|
-0.4
|
Chwefror 2018
|
1.0
|
Mawrth 2018
|
-0.9
|
Ebrill 2018
|
1.2
|
Mai 2018
|
1.2
|
Mehefin 2018
|
0.2
|
Gorffennaf 2018
|
1.1
|
Awst 2018
|
0.6
|
Medi 2018
|
0.8
|
Hydref 2018
|
-1.5
|
Tachwedd 2018
|
1.1
|
Rhagfyr 2018
|
-0.9
|
Ionawr 2019
|
-0.3
|
Chwefror 2019
|
-0.5
|
Mawrth 2019
|
0.1
|
Ebrill 2019
|
0.5
|
Mai 2019
|
0.4
|
Mehefin 2019
|
0.2
|
Gorffennaf 2019
|
0.3
|
Awst 2019
|
1.2
|
Medi 2019
|
-0.4
|
Hydref 2019
|
-0.1
|
Tachwedd 2019
|
0.5
|
Rhagfyr 2019
|
-0.2
|
Ionawr 2020
|
-0.4
|
Chwefror 2020
|
-0.2
|
Mawrth 2020
|
0.8
|
Ebrill 2020
|
-0.8
|
Mai 2020
|
-0.1
|
Mehefin 2020
|
2.8
|
Gorffennaf 2020
|
0.5
|
Awst 2020
|
0.3
|
Medi 2020
|
0.4
|
Hydref 2020
|
1.6
|
Tachwedd 2020
|
1.5
|
Rhagfyr 2020
|
1.2
|
Ionawr 2021
|
0.5
|
Chwefror 2021
|
1.1
|
Mawrth 2021
|
0.4
|
Ebrill 2021
|
-1.7
|
Mai 2021
|
0.7
|
Mehefin 2021
|
6.3
|
Gorffennaf 2021
|
-6.6
|
Awst 2021
|
4.0
|
Medi 2021
|
4.0
|
Hydref 2021
|
-2.2
|
Tachwedd 2021
|
1.4
|
Rhagfyr 2021
|
1.4
|
Ionawr 2022
|
0.6
|
Chwefror 2022
|
0.4
|
Mawrth 2022
|
0.8
|
Ebrill 2022
|
0.9
|
Mai 2022
|
1.2
|
Mehefin 2022
|
1.9
|
Gorffennaf 2022
|
0.9
|
Awst 2022
|
1.7
|
Medi 2022
|
0.0
|
Hydref 2022
|
0.3
|
Tachwedd 2022
|
0.2
|
Rhagfyr 2022
|
0.3
|
Ionawr 2023
|
-1.7
|
Chwefror 2023
|
-0.8
|
Mawrth 2023
|
-1.3
|
Ebrill 2023
|
-0.1
|
Mai 2023
|
-0.4
|
Mehefin 2023
|
1.6
|
Gorffennaf 2023
|
0.3
|
Dyddiad
|
Eiddo presennol
|
Mawrth 2002
|
50.7
|
Ebrill 2002
|
51.8
|
Mai 2002
|
53.6
|
Mehefin 2002
|
54.8
|
Gorffennaf 2002
|
57.3
|
Awst 2002
|
59.1
|
Medi 2002
|
59.5
|
Hydref 2002
|
61.0
|
Tachwedd 2002
|
63.0
|
Rhagfyr 2002
|
63.9
|
Ionawr 2003
|
65.2
|
Chwefror 2003
|
66.6
|
Mawrth 2003
|
66.0
|
Ebrill 2003
|
69.2
|
Mai 2003
|
70.7
|
Mehefin 2003
|
71.3
|
Gorffennaf 2003
|
72.6
|
Awst 2003
|
74.7
|
Medi 2003
|
74.7
|
Hydref 2003
|
75.9
|
Tachwedd 2003
|
76.7
|
Rhagfyr 2003
|
77.0
|
Ionawr 2004
|
77.7
|
Chwefror 2004
|
78.2
|
Mawrth 2004
|
78.9
|
Ebrill 2004
|
82.1
|
Mai 2004
|
83.8
|
Mehefin 2004
|
85.3
|
Gorffennaf 2004
|
87.5
|
Awst 2004
|
89.0
|
Medi 2004
|
89.6
|
Hydref 2004
|
89.4
|
Tachwedd 2004
|
90.4
|
Rhagfyr 2004
|
89.7
|
Ionawr 2005
|
87.9
|
Chwefror 2005
|
88.7
|
Mawrth 2005
|
89.0
|
Ebrill 2005
|
90.0
|
Mai 2005
|
91.0
|
Mehefin 2005
|
90.8
|
Gorffennaf 2005
|
92.0
|
Awst 2005
|
92.6
|
Medi 2005
|
91.9
|
Hydref 2005
|
92.6
|
Tachwedd 2005
|
92.5
|
Rhagfyr 2005
|
92.3
|
Ionawr 2006
|
91.2
|
Chwefror 2006
|
91.2
|
Mawrth 2006
|
91.7
|
Ebrill 2006
|
94.4
|
Mai 2006
|
94.2
|
Mehefin 2006
|
95.2
|
Gorffennaf 2006
|
97.0
|
Awst 2006
|
97.6
|
Medi 2006
|
96.5
|
Hydref 2006
|
97.6
|
Tachwedd 2006
|
97.9
|
Rhagfyr 2006
|
98.8
|
Ionawr 2007
|
98.5
|
Chwefror 2007
|
99.0
|
Mawrth 2007
|
99.4
|
Ebrill 2007
|
100.4
|
Mai 2007
|
100.5
|
Mehefin 2007
|
101.8
|
Gorffennaf 2007
|
102.8
|
Awst 2007
|
103.8
|
Medi 2007
|
104.0
|
Hydref 2007
|
102.7
|
Tachwedd 2007
|
103.0
|
Rhagfyr 2007
|
102.4
|
Ionawr 2008
|
99.6
|
Chwefror 2008
|
99.3
|
Mawrth 2008
|
99.0
|
Ebrill 2008
|
99.1
|
Mai 2008
|
98.9
|
Mehefin 2008
|
98.6
|
Gorffennaf 2008
|
98.3
|
Awst 2008
|
95.3
|
Medi 2008
|
92.9
|
Hydref 2008
|
91.3
|
Tachwedd 2008
|
87.8
|
Rhagfyr 2008
|
87.9
|
Ionawr 2009
|
85.8
|
Chwefror 2009
|
84.5
|
Mawrth 2009
|
84.4
|
Ebrill 2009
|
84.8
|
Mai 2009
|
84.6
|
Mehefin 2009
|
86.8
|
Gorffennaf 2009
|
87.6
|
Awst 2009
|
89.1
|
Medi 2009
|
89.0
|
Hydref 2009
|
90.4
|
Tachwedd 2009
|
90.5
|
Rhagfyr 2009
|
91.9
|
Ionawr 2010
|
89.6
|
Chwefror 2010
|
91.2
|
Mawrth 2010
|
90.0
|
Ebrill 2010
|
91.2
|
Mai 2010
|
92.7
|
Mehefin 2010
|
93.0
|
Gorffennaf 2010
|
93.8
|
Awst 2010
|
94.3
|
Medi 2010
|
92.9
|
Hydref 2010
|
92.2
|
Tachwedd 2010
|
91.4
|
Rhagfyr 2010
|
90.7
|
Ionawr 2011
|
88.9
|
Chwefror 2011
|
89.5
|
Mawrth 2011
|
88.8
|
Ebrill 2011
|
89.3
|
Mai 2011
|
89.5
|
Mehefin 2011
|
89.9
|
Gorffennaf 2011
|
91.3
|
Awst 2011
|
91.8
|
Medi 2011
|
90.7
|
Hydref 2011
|
89.6
|
Tachwedd 2011
|
89.8
|
Rhagfyr 2011
|
90.5
|
Ionawr 2012
|
89.0
|
Chwefror 2012
|
88.7
|
Mawrth 2012
|
89.3
|
Ebrill 2012
|
90.2
|
Mai 2012
|
90.1
|
Mehefin 2012
|
91.0
|
Gorffennaf 2012
|
92.2
|
Awst 2012
|
91.4
|
Medi 2012
|
90.9
|
Hydref 2012
|
90.8
|
Tachwedd 2012
|
90.8
|
Rhagfyr 2012
|
90.4
|
Ionawr 2013
|
89.8
|
Chwefror 2013
|
89.8
|
Mawrth 2013
|
90.2
|
Ebrill 2013
|
90.8
|
Mai 2013
|
91.9
|
Mehefin 2013
|
92.2
|
Gorffennaf 2013
|
93.0
|
Awst 2013
|
94.0
|
Medi 2013
|
93.5
|
Hydref 2013
|
94.1
|
Tachwedd 2013
|
93.5
|
Rhagfyr 2013
|
95.0
|
Ionawr 2014
|
94.6
|
Chwefror 2014
|
95.5
|
Mawrth 2014
|
95.3
|
Ebrill 2014
|
97.2
|
Mai 2014
|
97.5
|
Mehefin 2014
|
98.6
|
Gorffennaf 2014
|
99.5
|
Awst 2014
|
101.2
|
Medi 2014
|
101.3
|
Hydref 2014
|
100.5
|
Tachwedd 2014
|
100.4
|
Rhagfyr 2014
|
100.2
|
Ionawr 2015
|
100.0
|
Chwefror 2015
|
100.3
|
Mawrth 2015
|
100.6
|
Ebrill 2015
|
101.3
|
Mai 2015
|
102.7
|
Mehefin 2015
|
103.7
|
Gorffennaf 2015
|
105.0
|
Awst 2015
|
106.4
|
Medi 2015
|
105.7
|
Hydref 2015
|
106.7
|
Tachwedd 2015
|
107.2
|
Rhagfyr 2015
|
107.3
|
Ionawr 2016
|
107.4
|
Chwefror 2016
|
107.2
|
Mawrth 2016
|
107.8
|
Ebrill 2016
|
109.1
|
Mai 2016
|
109.5
|
Mehefin 2016
|
110.6
|
Gorffennaf 2016
|
111.8
|
Awst 2016
|
112.4
|
Medi 2016
|
112.7
|
Hydref 2016
|
112.0
|
Tachwedd 2016
|
113.0
|
Rhagfyr 2016
|
113.5
|
Ionawr 2017
|
112.1
|
Chwefror 2017
|
113.7
|
Mawrth 2017
|
113.5
|
Ebrill 2017
|
115.6
|
Mai 2017
|
116.2
|
Mehefin 2017
|
117.1
|
Gorffennaf 2017
|
119.0
|
Awst 2017
|
118.8
|
Medi 2017
|
119.4
|
Hydref 2017
|
119.5
|
Tachwedd 2017
|
119.6
|
Rhagfyr 2017
|
120.1
|
Ionawr 2018
|
119.7
|
Chwefror 2018
|
120.9
|
Mawrth 2018
|
119.9
|
Ebrill 2018
|
121.4
|
Mai 2018
|
122.8
|
Mehefin 2018
|
122.9
|
Gorffennaf 2018
|
124.2
|
Awst 2018
|
125.0
|
Medi 2018
|
126.1
|
Hydref 2018
|
124.2
|
Tachwedd 2018
|
125.6
|
Rhagfyr 2018
|
124.5
|
Ionawr 2019
|
124.1
|
Chwefror 2019
|
123.5
|
Mawrth 2019
|
123.6
|
Ebrill 2019
|
124.2
|
Mai 2019
|
124.6
|
Mehefin 2019
|
124.9
|
Gorffennaf 2019
|
125.3
|
Awst 2019
|
126.9
|
Medi 2019
|
126.4
|
Hydref 2019
|
126.3
|
Tachwedd 2019
|
127.0
|
Rhagfyr 2019
|
126.7
|
Ionawr 2020
|
126.2
|
Chwefror 2020
|
126.0
|
Mawrth 2020
|
127.0
|
Ebrill 2020
|
126.0
|
Mai 2020
|
125.9
|
Mehefin 2020
|
129.5
|
Gorffennaf 2020
|
130.1
|
Awst 2020
|
130.5
|
Medi 2020
|
131.1
|
Hydref 2020
|
133.2
|
Tachwedd 2020
|
135.2
|
Rhagfyr 2020
|
136.8
|
Ionawr 2021
|
137.5
|
Chwefror 2021
|
138.9
|
Mawrth 2021
|
139.5
|
Ebrill 2021
|
137.2
|
Mai 2021
|
138.2
|
Mehefin 2021
|
146.9
|
Gorffennaf 2021
|
137.2
|
Awst 2021
|
142.6
|
Medi 2021
|
148.2
|
Hydref 2021
|
144.9
|
Tachwedd 2021
|
147.0
|
Rhagfyr 2021
|
149.0
|
Ionawr 2022
|
149.9
|
Chwefror 2022
|
150.5
|
Mawrth 2022
|
151.7
|
Ebrill 2022
|
153.0
|
Mai 2022
|
154.8
|
Mehefin 2022
|
157.7
|
Gorffennaf 2022
|
159.1
|
Awst 2022
|
161.8
|
Medi 2022
|
161.7
|
Hydref 2022
|
162.2
|
Tachwedd 2022
|
162.6
|
Rhagfyr 2022
|
163.1
|
Ionawr 2023
|
160.3
|
Chwefror 2023
|
159.0
|
Mawrth 2023
|
157.0
|
Ebrill 2023
|
156.7
|
Mai 2023
|
156.2
|
Mehefin 2023
|
158.7
|
Gorffennaf 2023
|
159.2
|