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 pâr
|
Tai teras
|
Mawrth 2002
|
78292.0
|
70527.0
|
55378.0
|
Ebrill 2002
|
80083.0
|
71848.0
|
56611.0
|
Mai 2002
|
82643.0
|
74540.0
|
58682.0
|
Mehefin 2002
|
84539.0
|
75867.0
|
60304.0
|
Gorffennaf 2002
|
88192.0
|
79083.0
|
62445.0
|
Awst 2002
|
91058.0
|
81823.0
|
64698.0
|
Medi 2002
|
91480.0
|
82363.0
|
64754.0
|
Hydref 2002
|
93898.0
|
84785.0
|
65966.0
|
Tachwedd 2002
|
96949.0
|
87205.0
|
68240.0
|
Rhagfyr 2002
|
98179.0
|
89126.0
|
69641.0
|
Ionawr 2003
|
100132.0
|
89963.0
|
71264.0
|
Chwefror 2003
|
102378.0
|
92664.0
|
72453.0
|
Mawrth 2003
|
101518.0
|
91596.0
|
72393.0
|
Ebrill 2003
|
106466.0
|
96550.0
|
75726.0
|
Mai 2003
|
108677.0
|
98539.0
|
77297.0
|
Mehefin 2003
|
109587.0
|
99304.0
|
78202.0
|
Gorffennaf 2003
|
111648.0
|
101558.0
|
79776.0
|
Awst 2003
|
114593.0
|
104126.0
|
82377.0
|
Medi 2003
|
114575.0
|
104072.0
|
82503.0
|
Hydref 2003
|
116408.0
|
105877.0
|
83643.0
|
Tachwedd 2003
|
117723.0
|
107330.0
|
84500.0
|
Rhagfyr 2003
|
118022.0
|
107587.0
|
85838.0
|
Ionawr 2004
|
119411.0
|
108507.0
|
86379.0
|
Chwefror 2004
|
120237.0
|
109398.0
|
87570.0
|
Mawrth 2004
|
121241.0
|
109999.0
|
88614.0
|
Ebrill 2004
|
125676.0
|
114836.0
|
92785.0
|
Mai 2004
|
128522.0
|
117137.0
|
95361.0
|
Mehefin 2004
|
130950.0
|
119466.0
|
96702.0
|
Gorffennaf 2004
|
133637.0
|
122559.0
|
98976.0
|
Awst 2004
|
136148.0
|
124417.0
|
100852.0
|
Medi 2004
|
137141.0
|
124896.0
|
101675.0
|
Hydref 2004
|
136872.0
|
124950.0
|
101299.0
|
Tachwedd 2004
|
138554.0
|
126120.0
|
102689.0
|
Rhagfyr 2004
|
137765.0
|
125328.0
|
102726.0
|
Ionawr 2005
|
135281.0
|
122880.0
|
100566.0
|
Chwefror 2005
|
136774.0
|
125040.0
|
101727.0
|
Mawrth 2005
|
137121.0
|
125095.0
|
102391.0
|
Ebrill 2005
|
138634.0
|
126977.0
|
103897.0
|
Mai 2005
|
140205.0
|
127722.0
|
104798.0
|
Mehefin 2005
|
139707.0
|
127397.0
|
105465.0
|
Gorffennaf 2005
|
141437.0
|
129444.0
|
106066.0
|
Awst 2005
|
142518.0
|
129399.0
|
106971.0
|
Medi 2005
|
141382.0
|
128538.0
|
106425.0
|
Hydref 2005
|
142601.0
|
129849.0
|
107490.0
|
Tachwedd 2005
|
142597.0
|
129687.0
|
107340.0
|
Rhagfyr 2005
|
142296.0
|
129155.0
|
108028.0
|
Ionawr 2006
|
140443.0
|
127688.0
|
106007.0
|
Chwefror 2006
|
140814.0
|
127968.0
|
106600.0
|
Mawrth 2006
|
141418.0
|
128662.0
|
107024.0
|
Ebrill 2006
|
145425.0
|
132395.0
|
110390.0
|
Mai 2006
|
145116.0
|
132053.0
|
109734.0
|
Mehefin 2006
|
146426.0
|
133571.0
|
111608.0
|
Gorffennaf 2006
|
149079.0
|
135396.0
|
113776.0
|
Awst 2006
|
149752.0
|
136223.0
|
113750.0
|
Medi 2006
|
148304.0
|
134824.0
|
112603.0
|
Hydref 2006
|
149835.0
|
136187.0
|
113747.0
|
Tachwedd 2006
|
150106.0
|
136785.0
|
114050.0
|
Rhagfyr 2006
|
151841.0
|
138376.0
|
116257.0
|
Ionawr 2007
|
151360.0
|
137579.0
|
115681.0
|
Chwefror 2007
|
152008.0
|
138288.0
|
115418.0
|
Mawrth 2007
|
152595.0
|
138807.0
|
116525.0
|
Ebrill 2007
|
154051.0
|
139889.0
|
118272.0
|
Mai 2007
|
154459.0
|
140227.0
|
118298.0
|
Mehefin 2007
|
156216.0
|
141718.0
|
120001.0
|
Gorffennaf 2007
|
157902.0
|
142957.0
|
120955.0
|
Awst 2007
|
159023.0
|
144231.0
|
121686.0
|
Medi 2007
|
159537.0
|
144575.0
|
121744.0
|
Hydref 2007
|
157562.0
|
142578.0
|
120508.0
|
Tachwedd 2007
|
157962.0
|
143115.0
|
120189.0
|
Rhagfyr 2007
|
157244.0
|
142303.0
|
120221.0
|
Ionawr 2008
|
153065.0
|
138136.0
|
117069.0
|
Chwefror 2008
|
153034.0
|
138714.0
|
116668.0
|
Mawrth 2008
|
152241.0
|
138361.0
|
116769.0
|
Ebrill 2008
|
152448.0
|
137697.0
|
116762.0
|
Mai 2008
|
152126.0
|
138374.0
|
116367.0
|
Mehefin 2008
|
151545.0
|
137485.0
|
116327.0
|
Gorffennaf 2008
|
150970.0
|
137108.0
|
115337.0
|
Awst 2008
|
146193.0
|
132568.0
|
111518.0
|
Medi 2008
|
142592.0
|
128708.0
|
108287.0
|
Hydref 2008
|
140155.0
|
127000.0
|
106637.0
|
Tachwedd 2008
|
134902.0
|
122711.0
|
102277.0
|
Rhagfyr 2008
|
134826.0
|
122049.0
|
102852.0
|
Ionawr 2009
|
131716.0
|
118779.0
|
99581.0
|
Chwefror 2009
|
129876.0
|
118031.0
|
98210.0
|
Mawrth 2009
|
129915.0
|
117374.0
|
99061.0
|
Ebrill 2009
|
130372.0
|
118463.0
|
99226.0
|
Mai 2009
|
129878.0
|
118216.0
|
98950.0
|
Mehefin 2009
|
133112.0
|
120969.0
|
101853.0
|
Gorffennaf 2009
|
134249.0
|
121918.0
|
102763.0
|
Awst 2009
|
136342.0
|
123932.0
|
104172.0
|
Medi 2009
|
136490.0
|
123935.0
|
103966.0
|
Hydref 2009
|
138349.0
|
126065.0
|
105339.0
|
Tachwedd 2009
|
138539.0
|
125496.0
|
105761.0
|
Rhagfyr 2009
|
140587.0
|
128351.0
|
108539.0
|
Ionawr 2010
|
136462.0
|
123796.0
|
103142.0
|
Chwefror 2010
|
139602.0
|
127291.0
|
105913.0
|
Mawrth 2010
|
137857.0
|
125098.0
|
104542.0
|
Ebrill 2010
|
139450.0
|
127061.0
|
106144.0
|
Mai 2010
|
141760.0
|
128763.0
|
107847.0
|
Mehefin 2010
|
142143.0
|
129350.0
|
108699.0
|
Gorffennaf 2010
|
142973.0
|
129872.0
|
108319.0
|
Awst 2010
|
144010.0
|
131344.0
|
108812.0
|
Medi 2010
|
142087.0
|
128826.0
|
107501.0
|
Hydref 2010
|
141097.0
|
128191.0
|
106422.0
|
Tachwedd 2010
|
139935.0
|
127074.0
|
105052.0
|
Rhagfyr 2010
|
139103.0
|
126755.0
|
105485.0
|
Ionawr 2011
|
136418.0
|
123720.0
|
102479.0
|
Chwefror 2011
|
137220.0
|
124614.0
|
103498.0
|
Mawrth 2011
|
136388.0
|
123172.0
|
102986.0
|
Ebrill 2011
|
137100.0
|
124362.0
|
103520.0
|
Mai 2011
|
137464.0
|
124835.0
|
103669.0
|
Mehefin 2011
|
137793.0
|
125801.0
|
104469.0
|
Gorffennaf 2011
|
140060.0
|
127179.0
|
106236.0
|
Awst 2011
|
140623.0
|
128136.0
|
105680.0
|
Medi 2011
|
138920.0
|
126187.0
|
105208.0
|
Hydref 2011
|
137499.0
|
125299.0
|
103135.0
|
Tachwedd 2011
|
137839.0
|
125539.0
|
103330.0
|
Rhagfyr 2011
|
138723.0
|
126719.0
|
104420.0
|
Ionawr 2012
|
136369.0
|
124625.0
|
102979.0
|
Chwefror 2012
|
136102.0
|
124017.0
|
103215.0
|
Mawrth 2012
|
137025.0
|
125390.0
|
104545.0
|
Ebrill 2012
|
138440.0
|
126127.0
|
104347.0
|
Mai 2012
|
138251.0
|
126082.0
|
104671.0
|
Mehefin 2012
|
139459.0
|
127213.0
|
106899.0
|
Gorffennaf 2012
|
140983.0
|
128535.0
|
106842.0
|
Awst 2012
|
139793.0
|
127535.0
|
106423.0
|
Medi 2012
|
139262.0
|
126729.0
|
106122.0
|
Hydref 2012
|
139395.0
|
127253.0
|
105895.0
|
Tachwedd 2012
|
139511.0
|
127350.0
|
105836.0
|
Rhagfyr 2012
|
138977.0
|
126479.0
|
105684.0
|
Ionawr 2013
|
137537.0
|
125872.0
|
104184.0
|
Chwefror 2013
|
137599.0
|
125570.0
|
104681.0
|
Mawrth 2013
|
138562.0
|
126060.0
|
105164.0
|
Ebrill 2013
|
139314.0
|
127147.0
|
105690.0
|
Mai 2013
|
141012.0
|
128734.0
|
107170.0
|
Mehefin 2013
|
141367.0
|
129209.0
|
108268.0
|
Gorffennaf 2013
|
142534.0
|
129999.0
|
108597.0
|
Awst 2013
|
144030.0
|
131697.0
|
109497.0
|
Medi 2013
|
143553.0
|
130351.0
|
109199.0
|
Hydref 2013
|
144444.0
|
131625.0
|
108982.0
|
Tachwedd 2013
|
143522.0
|
131372.0
|
108788.0
|
Rhagfyr 2013
|
145942.0
|
133860.0
|
111035.0
|
Ionawr 2014
|
145261.0
|
132431.0
|
110099.0
|
Chwefror 2014
|
146741.0
|
134119.0
|
111342.0
|
Mawrth 2014
|
146448.0
|
134333.0
|
111333.0
|
Ebrill 2014
|
149319.0
|
136566.0
|
113613.0
|
Mai 2014
|
150008.0
|
137309.0
|
114348.0
|
Mehefin 2014
|
151454.0
|
139034.0
|
115774.0
|
Gorffennaf 2014
|
152658.0
|
139499.0
|
116433.0
|
Awst 2014
|
155033.0
|
141839.0
|
118019.0
|
Medi 2014
|
155263.0
|
141825.0
|
118525.0
|
Hydref 2014
|
154170.0
|
141049.0
|
117080.0
|
Tachwedd 2014
|
154009.0
|
140978.0
|
116586.0
|
Rhagfyr 2014
|
153904.0
|
140874.0
|
116735.0
|
Ionawr 2015
|
153669.0
|
140603.0
|
116359.0
|
Chwefror 2015
|
154210.0
|
140756.0
|
117198.0
|
Mawrth 2015
|
154728.0
|
141515.0
|
116603.0
|
Ebrill 2015
|
155680.0
|
142459.0
|
118034.0
|
Mai 2015
|
157709.0
|
144551.0
|
119286.0
|
Mehefin 2015
|
158960.0
|
145739.0
|
120750.0
|
Gorffennaf 2015
|
161180.0
|
147744.0
|
122149.0
|
Awst 2015
|
163208.0
|
149385.0
|
123534.0
|
Medi 2015
|
162174.0
|
147915.0
|
122633.0
|
Hydref 2015
|
163771.0
|
149895.0
|
123835.0
|
Tachwedd 2015
|
164460.0
|
150677.0
|
124027.0
|
Rhagfyr 2015
|
165081.0
|
150856.0
|
124700.0
|
Ionawr 2016
|
164946.0
|
151352.0
|
124437.0
|
Chwefror 2016
|
164383.0
|
150743.0
|
124500.0
|
Mawrth 2016
|
165175.0
|
150635.0
|
124612.0
|
Ebrill 2016
|
167913.0
|
153894.0
|
127165.0
|
Mai 2016
|
168771.0
|
154592.0
|
128673.0
|
Mehefin 2016
|
170091.0
|
155362.0
|
129104.0
|
Gorffennaf 2016
|
171782.0
|
157166.0
|
130621.0
|
Awst 2016
|
172649.0
|
157757.0
|
131119.0
|
Medi 2016
|
173272.0
|
158411.0
|
131160.0
|
Hydref 2016
|
172479.0
|
157769.0
|
129650.0
|
Tachwedd 2016
|
173872.0
|
158724.0
|
130259.0
|
Rhagfyr 2016
|
174665.0
|
159433.0
|
131626.0
|
Ionawr 2017
|
172959.0
|
158021.0
|
129573.0
|
Chwefror 2017
|
175110.0
|
159387.0
|
131889.0
|
Mawrth 2017
|
174956.0
|
159583.0
|
131198.0
|
Ebrill 2017
|
177942.0
|
162325.0
|
133741.0
|
Mai 2017
|
178966.0
|
164301.0
|
134463.0
|
Mehefin 2017
|
180204.0
|
164573.0
|
135931.0
|
Gorffennaf 2017
|
183172.0
|
167413.0
|
138172.0
|
Awst 2017
|
182763.0
|
166901.0
|
138514.0
|
Medi 2017
|
183816.0
|
167767.0
|
138584.0
|
Hydref 2017
|
184044.0
|
168531.0
|
138148.0
|
Tachwedd 2017
|
183974.0
|
168764.0
|
138464.0
|
Rhagfyr 2017
|
184942.0
|
169330.0
|
139515.0
|
Ionawr 2018
|
184574.0
|
169297.0
|
138521.0
|
Chwefror 2018
|
187235.0
|
171478.0
|
140840.0
|
Mawrth 2018
|
184845.0
|
169180.0
|
139275.0
|
Ebrill 2018
|
187276.0
|
171649.0
|
141410.0
|
Mai 2018
|
188826.0
|
173149.0
|
142657.0
|
Mehefin 2018
|
189259.0
|
174080.0
|
142533.0
|
Gorffennaf 2018
|
191231.0
|
175213.0
|
143965.0
|
Awst 2018
|
192610.0
|
176685.0
|
145688.0
|
Medi 2018
|
194049.0
|
178027.0
|
145980.0
|
Hydref 2018
|
191666.0
|
175909.0
|
143931.0
|
Tachwedd 2018
|
192979.0
|
177150.0
|
145203.0
|
Rhagfyr 2018
|
191694.0
|
176281.0
|
144202.0
|
Ionawr 2019
|
191237.0
|
175462.0
|
142736.0
|
Chwefror 2019
|
190990.0
|
175074.0
|
143201.0
|
Mawrth 2019
|
190586.0
|
175297.0
|
143104.0
|
Ebrill 2019
|
191571.0
|
176087.0
|
144580.0
|
Mai 2019
|
191927.0
|
176857.0
|
145337.0
|
Mehefin 2019
|
192029.0
|
176953.0
|
144519.0
|
Gorffennaf 2019
|
193480.0
|
177899.0
|
146290.0
|
Awst 2019
|
195345.0
|
179286.0
|
147935.0
|
Medi 2019
|
194867.0
|
178655.0
|
147643.0
|
Hydref 2019
|
194705.0
|
179977.0
|
146558.0
|
Tachwedd 2019
|
194873.0
|
179821.0
|
146552.0
|
Rhagfyr 2019
|
194489.0
|
179340.0
|
147101.0
|
Ionawr 2020
|
195100.0
|
180350.0
|
146895.0
|
Chwefror 2020
|
193480.0
|
178472.0
|
146461.0
|
Mawrth 2020
|
195701.0
|
180328.0
|
147817.0
|
Ebrill 2020
|
195185.0
|
179779.0
|
147604.0
|
Mai 2020
|
194596.0
|
180151.0
|
146517.0
|
Mehefin 2020
|
198494.0
|
183498.0
|
150822.0
|
Gorffennaf 2020
|
200434.0
|
184975.0
|
151678.0
|
Awst 2020
|
200918.0
|
185829.0
|
151594.0
|
Medi 2020
|
201616.0
|
185671.0
|
152188.0
|
Hydref 2020
|
204424.0
|
188058.0
|
154893.0
|
Tachwedd 2020
|
207054.0
|
190450.0
|
157128.0
|
Rhagfyr 2020
|
209567.0
|
192566.0
|
159312.0
|
Ionawr 2021
|
209914.0
|
193902.0
|
160493.0
|
Chwefror 2021
|
212387.0
|
195766.0
|
163331.0
|
Mawrth 2021
|
213503.0
|
196419.0
|
164542.0
|
Ebrill 2021
|
210401.0
|
193719.0
|
161462.0
|
Mai 2021
|
211382.0
|
194673.0
|
162329.0
|
Mehefin 2021
|
223684.0
|
205312.0
|
174392.0
|
Gorffennaf 2021
|
210621.0
|
194847.0
|
160789.0
|
Awst 2021
|
217402.0
|
200916.0
|
166033.0
|
Medi 2021
|
225815.0
|
208264.0
|
174839.0
|
Hydref 2021
|
220981.0
|
203042.0
|
166719.0
|
Tachwedd 2021
|
224431.0
|
206914.0
|
170493.0
|
Rhagfyr 2021
|
226723.0
|
208194.0
|
173505.0
|
Ionawr 2022
|
228458.0
|
211041.0
|
174042.0
|
Chwefror 2022
|
229645.0
|
212244.0
|
175358.0
|
Mawrth 2022
|
231513.0
|
213885.0
|
176343.0
|
Ebrill 2022
|
233325.0
|
215120.0
|
178823.0
|
Mai 2022
|
235944.0
|
218224.0
|
180780.0
|
Mehefin 2022
|
240343.0
|
222333.0
|
185050.0
|
Gorffennaf 2022
|
242557.0
|
224977.0
|
186171.0
|
Awst 2022
|
246609.0
|
228299.0
|
189814.0
|
Medi 2022
|
246555.0
|
227894.0
|
189436.0
|
Hydref 2022
|
247087.0
|
228803.0
|
189682.0
|
Tachwedd 2022
|
248048.0
|
229402.0
|
190454.0
|
Rhagfyr 2022
|
248453.0
|
230467.0
|
191262.0
|
Ionawr 2023
|
244579.0
|
226470.0
|
186490.0
|
Chwefror 2023
|
242917.0
|
224752.0
|
185196.0
|
Mawrth 2023
|
239929.0
|
222774.0
|
182013.0
|
Ebrill 2023
|
239541.0
|
221717.0
|
182271.0
|
Mai 2023
|
238619.0
|
221304.0
|
182440.0
|
Mehefin 2023
|
242188.0
|
223900.0
|
186246.0
|
Gorffennaf 2023
|
243006.0
|
225522.0
|
185699.0
|
Dyddiad
|
Pob math o eiddo
|
Tai pâr
|
Tai teras
|
Mawrth 2002
|
18.8
|
18.8
|
18.9
|
Ebrill 2002
|
17.8
|
18.2
|
18.1
|
Mai 2002
|
19.7
|
20.0
|
20.1
|
Mehefin 2002
|
20.7
|
20.4
|
22.0
|
Gorffennaf 2002
|
24.6
|
24.5
|
25.1
|
Awst 2002
|
26.1
|
26.7
|
27.4
|
Medi 2002
|
25.9
|
27.1
|
26.4
|
Hydref 2002
|
28.0
|
28.7
|
28.1
|
Tachwedd 2002
|
30.3
|
30.3
|
30.5
|
Rhagfyr 2002
|
30.2
|
31.6
|
31.2
|
Ionawr 2003
|
33.0
|
33.1
|
35.4
|
Chwefror 2003
|
33.9
|
35.7
|
33.8
|
Mawrth 2003
|
29.7
|
29.9
|
30.7
|
Ebrill 2003
|
32.9
|
34.4
|
33.8
|
Mai 2003
|
31.5
|
32.2
|
31.7
|
Mehefin 2003
|
29.6
|
30.9
|
29.7
|
Gorffennaf 2003
|
26.6
|
28.4
|
27.8
|
Awst 2003
|
25.8
|
27.3
|
27.3
|
Medi 2003
|
25.2
|
26.4
|
27.4
|
Hydref 2003
|
24.0
|
24.9
|
26.8
|
Tachwedd 2003
|
21.4
|
23.1
|
23.8
|
Rhagfyr 2003
|
20.2
|
20.7
|
23.3
|
Ionawr 2004
|
19.2
|
20.6
|
21.2
|
Chwefror 2004
|
17.4
|
18.1
|
20.9
|
Mawrth 2004
|
19.4
|
20.1
|
22.4
|
Ebrill 2004
|
18.0
|
18.9
|
22.5
|
Mai 2004
|
18.3
|
18.9
|
23.4
|
Mehefin 2004
|
19.5
|
20.3
|
23.7
|
Gorffennaf 2004
|
19.7
|
20.7
|
24.1
|
Awst 2004
|
18.8
|
19.5
|
22.4
|
Medi 2004
|
19.7
|
20.0
|
23.2
|
Hydref 2004
|
17.6
|
18.0
|
21.1
|
Tachwedd 2004
|
17.7
|
17.5
|
21.5
|
Rhagfyr 2004
|
16.7
|
16.5
|
19.7
|
Ionawr 2005
|
13.3
|
13.2
|
16.4
|
Chwefror 2005
|
13.8
|
14.3
|
16.2
|
Mawrth 2005
|
13.1
|
13.7
|
15.6
|
Ebrill 2005
|
10.3
|
10.6
|
12.0
|
Mai 2005
|
9.1
|
9.0
|
9.9
|
Mehefin 2005
|
6.7
|
6.6
|
9.1
|
Gorffennaf 2005
|
5.8
|
5.6
|
7.2
|
Awst 2005
|
4.7
|
4.0
|
6.1
|
Medi 2005
|
3.1
|
2.9
|
4.7
|
Hydref 2005
|
4.2
|
3.9
|
6.1
|
Tachwedd 2005
|
2.9
|
2.8
|
4.5
|
Rhagfyr 2005
|
3.3
|
3.0
|
5.2
|
Ionawr 2006
|
3.8
|
3.9
|
5.4
|
Chwefror 2006
|
3.0
|
2.3
|
4.8
|
Mawrth 2006
|
3.1
|
2.8
|
4.5
|
Ebrill 2006
|
4.9
|
4.3
|
6.2
|
Mai 2006
|
3.5
|
3.4
|
4.7
|
Mehefin 2006
|
4.8
|
4.8
|
5.8
|
Gorffennaf 2006
|
5.4
|
4.6
|
7.3
|
Awst 2006
|
5.1
|
5.3
|
6.3
|
Medi 2006
|
4.9
|
4.9
|
5.8
|
Hydref 2006
|
5.1
|
4.9
|
5.8
|
Tachwedd 2006
|
5.3
|
5.5
|
6.2
|
Rhagfyr 2006
|
6.7
|
7.1
|
7.6
|
Ionawr 2007
|
7.8
|
7.8
|
9.1
|
Chwefror 2007
|
8.0
|
8.1
|
8.3
|
Mawrth 2007
|
7.9
|
7.9
|
8.9
|
Ebrill 2007
|
5.9
|
5.7
|
7.1
|
Mai 2007
|
6.4
|
6.2
|
7.8
|
Mehefin 2007
|
6.7
|
6.1
|
7.5
|
Gorffennaf 2007
|
5.9
|
5.6
|
6.3
|
Awst 2007
|
6.2
|
5.9
|
7.0
|
Medi 2007
|
7.6
|
7.2
|
8.1
|
Hydref 2007
|
5.2
|
4.7
|
5.9
|
Tachwedd 2007
|
5.2
|
4.6
|
5.4
|
Rhagfyr 2007
|
3.6
|
2.8
|
3.4
|
Ionawr 2008
|
1.1
|
0.4
|
1.2
|
Chwefror 2008
|
0.7
|
0.3
|
1.1
|
Mawrth 2008
|
-0.2
|
-0.3
|
0.2
|
Ebrill 2008
|
-1.0
|
-1.6
|
-1.3
|
Mai 2008
|
-1.5
|
-1.3
|
-1.6
|
Mehefin 2008
|
-3.0
|
-3.0
|
-3.1
|
Gorffennaf 2008
|
-4.4
|
-4.1
|
-4.6
|
Awst 2008
|
-8.1
|
-8.1
|
-8.4
|
Medi 2008
|
-10.6
|
-11.0
|
-11.0
|
Hydref 2008
|
-11.0
|
-10.9
|
-11.5
|
Tachwedd 2008
|
-14.6
|
-14.3
|
-14.9
|
Rhagfyr 2008
|
-14.3
|
-14.2
|
-14.4
|
Ionawr 2009
|
-14.0
|
-14.0
|
-14.9
|
Chwefror 2009
|
-15.1
|
-14.9
|
-15.8
|
Mawrth 2009
|
-14.7
|
-15.2
|
-15.2
|
Ebrill 2009
|
-14.5
|
-14.0
|
-15.0
|
Mai 2009
|
-14.6
|
-14.6
|
-15.0
|
Mehefin 2009
|
-12.2
|
-12.0
|
-12.4
|
Gorffennaf 2009
|
-11.1
|
-11.1
|
-10.9
|
Awst 2009
|
-6.7
|
-6.5
|
-6.6
|
Medi 2009
|
-4.3
|
-3.7
|
-4.0
|
Hydref 2009
|
-1.3
|
-0.7
|
-1.2
|
Tachwedd 2009
|
2.7
|
2.3
|
3.4
|
Rhagfyr 2009
|
4.3
|
5.2
|
5.5
|
Ionawr 2010
|
3.6
|
4.2
|
3.6
|
Chwefror 2010
|
7.5
|
7.8
|
7.8
|
Mawrth 2010
|
6.1
|
6.6
|
5.5
|
Ebrill 2010
|
7.0
|
7.3
|
7.0
|
Mai 2010
|
9.2
|
8.9
|
9.0
|
Mehefin 2010
|
6.8
|
6.9
|
6.7
|
Gorffennaf 2010
|
6.5
|
6.5
|
5.4
|
Awst 2010
|
5.6
|
6.0
|
4.4
|
Medi 2010
|
4.1
|
4.0
|
3.4
|
Hydref 2010
|
2.0
|
1.7
|
1.0
|
Tachwedd 2010
|
1.0
|
1.3
|
-0.7
|
Rhagfyr 2010
|
-1.1
|
-1.2
|
-2.8
|
Ionawr 2011
|
-0.0
|
-0.1
|
-0.6
|
Chwefror 2011
|
-1.7
|
-2.1
|
-2.3
|
Mawrth 2011
|
-1.1
|
-1.5
|
-1.5
|
Ebrill 2011
|
-1.7
|
-2.1
|
-2.5
|
Mai 2011
|
-3.0
|
-3.0
|
-3.9
|
Mehefin 2011
|
-3.1
|
-2.7
|
-3.9
|
Gorffennaf 2011
|
-2.0
|
-2.1
|
-1.9
|
Awst 2011
|
-2.4
|
-2.4
|
-2.9
|
Medi 2011
|
-2.2
|
-2.0
|
-2.1
|
Hydref 2011
|
-2.6
|
-2.3
|
-3.1
|
Tachwedd 2011
|
-1.5
|
-1.2
|
-1.6
|
Rhagfyr 2011
|
-0.3
|
-0.0
|
-1.0
|
Ionawr 2012
|
-0.0
|
0.7
|
0.5
|
Chwefror 2012
|
-0.8
|
-0.5
|
-0.3
|
Mawrth 2012
|
0.5
|
1.8
|
1.5
|
Ebrill 2012
|
1.0
|
1.4
|
0.8
|
Mai 2012
|
0.6
|
1.0
|
1.0
|
Mehefin 2012
|
1.2
|
1.1
|
2.3
|
Gorffennaf 2012
|
0.7
|
1.1
|
0.6
|
Awst 2012
|
-0.6
|
-0.5
|
0.7
|
Medi 2012
|
0.2
|
0.4
|
0.9
|
Hydref 2012
|
1.4
|
1.6
|
2.7
|
Tachwedd 2012
|
1.2
|
1.4
|
2.4
|
Rhagfyr 2012
|
0.2
|
-0.2
|
1.2
|
Ionawr 2013
|
0.9
|
1.0
|
1.2
|
Chwefror 2013
|
1.1
|
1.2
|
1.4
|
Mawrth 2013
|
1.1
|
0.5
|
0.6
|
Ebrill 2013
|
0.6
|
0.8
|
1.3
|
Mai 2013
|
2.0
|
2.1
|
2.4
|
Mehefin 2013
|
1.4
|
1.6
|
1.3
|
Gorffennaf 2013
|
1.1
|
1.1
|
1.6
|
Awst 2013
|
3.0
|
3.3
|
2.9
|
Medi 2013
|
3.1
|
2.9
|
2.9
|
Hydref 2013
|
3.6
|
3.4
|
2.9
|
Tachwedd 2013
|
2.9
|
3.2
|
2.8
|
Rhagfyr 2013
|
5.0
|
5.8
|
5.1
|
Ionawr 2014
|
5.6
|
5.2
|
5.7
|
Chwefror 2014
|
6.6
|
6.8
|
6.4
|
Mawrth 2014
|
5.7
|
6.6
|
5.9
|
Ebrill 2014
|
7.2
|
7.4
|
7.5
|
Mai 2014
|
6.4
|
6.7
|
6.7
|
Mehefin 2014
|
7.1
|
7.6
|
6.9
|
Gorffennaf 2014
|
7.1
|
7.3
|
7.2
|
Awst 2014
|
7.6
|
7.7
|
7.8
|
Medi 2014
|
8.2
|
8.8
|
8.5
|
Hydref 2014
|
6.7
|
7.2
|
7.4
|
Tachwedd 2014
|
7.3
|
7.3
|
7.2
|
Rhagfyr 2014
|
5.5
|
5.2
|
5.1
|
Ionawr 2015
|
5.8
|
6.2
|
5.7
|
Chwefror 2015
|
5.1
|
5.0
|
5.3
|
Mawrth 2015
|
5.6
|
5.4
|
4.7
|
Ebrill 2015
|
4.3
|
4.3
|
3.9
|
Mai 2015
|
5.1
|
5.3
|
4.3
|
Mehefin 2015
|
5.0
|
4.8
|
4.3
|
Gorffennaf 2015
|
5.6
|
5.9
|
4.9
|
Awst 2015
|
5.3
|
5.3
|
4.7
|
Medi 2015
|
4.4
|
4.3
|
3.5
|
Hydref 2015
|
6.2
|
6.3
|
5.8
|
Tachwedd 2015
|
6.8
|
6.9
|
6.4
|
Rhagfyr 2015
|
7.3
|
7.1
|
6.8
|
Ionawr 2016
|
7.3
|
7.6
|
6.9
|
Chwefror 2016
|
6.6
|
7.1
|
6.2
|
Mawrth 2016
|
6.8
|
6.4
|
6.9
|
Ebrill 2016
|
7.9
|
8.0
|
7.7
|
Mai 2016
|
7.0
|
7.0
|
7.9
|
Mehefin 2016
|
7.0
|
6.6
|
6.9
|
Gorffennaf 2016
|
6.6
|
6.4
|
6.9
|
Awst 2016
|
5.8
|
5.6
|
6.1
|
Medi 2016
|
6.8
|
7.1
|
7.0
|
Hydref 2016
|
5.3
|
5.2
|
4.7
|
Tachwedd 2016
|
5.7
|
5.3
|
5.0
|
Rhagfyr 2016
|
5.8
|
5.7
|
5.6
|
Ionawr 2017
|
4.9
|
4.4
|
4.1
|
Chwefror 2017
|
6.5
|
5.7
|
5.9
|
Mawrth 2017
|
5.9
|
5.9
|
5.3
|
Ebrill 2017
|
6.0
|
5.5
|
5.2
|
Mai 2017
|
6.0
|
6.3
|
4.5
|
Mehefin 2017
|
6.0
|
5.9
|
5.3
|
Gorffennaf 2017
|
6.6
|
6.5
|
5.8
|
Awst 2017
|
5.9
|
5.8
|
5.6
|
Medi 2017
|
6.1
|
5.9
|
5.7
|
Hydref 2017
|
6.7
|
6.8
|
6.6
|
Tachwedd 2017
|
5.8
|
6.3
|
6.3
|
Rhagfyr 2017
|
5.9
|
6.2
|
6.0
|
Ionawr 2018
|
6.7
|
7.1
|
6.9
|
Chwefror 2018
|
6.9
|
7.6
|
6.8
|
Mawrth 2018
|
5.6
|
6.0
|
6.2
|
Ebrill 2018
|
5.2
|
5.7
|
5.7
|
Mai 2018
|
5.5
|
5.4
|
6.1
|
Mehefin 2018
|
5.0
|
5.8
|
4.9
|
Gorffennaf 2018
|
4.4
|
4.7
|
4.2
|
Awst 2018
|
5.4
|
5.9
|
5.2
|
Medi 2018
|
5.6
|
6.1
|
5.3
|
Hydref 2018
|
4.1
|
4.4
|
4.2
|
Tachwedd 2018
|
4.9
|
5.0
|
4.9
|
Rhagfyr 2018
|
3.6
|
4.1
|
3.4
|
Ionawr 2019
|
3.6
|
3.6
|
3.0
|
Chwefror 2019
|
2.0
|
2.1
|
1.7
|
Mawrth 2019
|
3.1
|
3.6
|
2.8
|
Ebrill 2019
|
2.3
|
2.6
|
2.2
|
Mai 2019
|
1.6
|
2.1
|
1.9
|
Mehefin 2019
|
1.5
|
1.6
|
1.4
|
Gorffennaf 2019
|
1.2
|
1.5
|
1.6
|
Awst 2019
|
1.4
|
1.5
|
1.5
|
Medi 2019
|
0.4
|
0.4
|
1.1
|
Hydref 2019
|
1.6
|
2.3
|
1.8
|
Tachwedd 2019
|
1.0
|
1.5
|
0.9
|
Rhagfyr 2019
|
1.5
|
1.7
|
2.0
|
Ionawr 2020
|
2.0
|
2.8
|
2.9
|
Chwefror 2020
|
1.3
|
1.9
|
2.3
|
Mawrth 2020
|
2.7
|
2.9
|
3.3
|
Ebrill 2020
|
1.9
|
2.1
|
2.1
|
Mai 2020
|
1.4
|
1.9
|
0.8
|
Mehefin 2020
|
3.4
|
3.7
|
4.4
|
Gorffennaf 2020
|
3.6
|
4.0
|
3.7
|
Awst 2020
|
2.8
|
3.6
|
2.5
|
Medi 2020
|
3.5
|
3.9
|
3.1
|
Hydref 2020
|
5.0
|
4.5
|
5.7
|
Tachwedd 2020
|
6.2
|
5.9
|
7.2
|
Rhagfyr 2020
|
7.8
|
7.4
|
8.3
|
Ionawr 2021
|
7.6
|
7.5
|
9.3
|
Chwefror 2021
|
9.8
|
9.7
|
11.5
|
Mawrth 2021
|
9.1
|
8.9
|
11.3
|
Ebrill 2021
|
7.8
|
7.8
|
9.4
|
Mai 2021
|
8.6
|
8.1
|
10.8
|
Mehefin 2021
|
12.7
|
11.9
|
15.6
|
Gorffennaf 2021
|
5.1
|
5.3
|
6.0
|
Awst 2021
|
8.2
|
8.1
|
9.5
|
Medi 2021
|
12.0
|
12.2
|
14.9
|
Hydref 2021
|
8.1
|
8.0
|
7.6
|
Tachwedd 2021
|
8.4
|
8.6
|
8.5
|
Rhagfyr 2021
|
8.2
|
8.1
|
8.9
|
Ionawr 2022
|
8.8
|
8.8
|
8.4
|
Chwefror 2022
|
8.1
|
8.4
|
7.4
|
Mawrth 2022
|
8.4
|
8.9
|
7.2
|
Ebrill 2022
|
10.9
|
11.0
|
10.8
|
Mai 2022
|
11.6
|
12.1
|
11.4
|
Mehefin 2022
|
7.4
|
8.3
|
6.1
|
Gorffennaf 2022
|
15.2
|
15.5
|
15.8
|
Awst 2022
|
13.4
|
13.6
|
14.3
|
Medi 2022
|
9.2
|
9.4
|
8.3
|
Hydref 2022
|
11.8
|
12.7
|
13.8
|
Tachwedd 2022
|
10.5
|
10.9
|
11.7
|
Rhagfyr 2022
|
9.6
|
10.7
|
10.2
|
Ionawr 2023
|
7.1
|
7.3
|
7.2
|
Chwefror 2023
|
5.8
|
5.9
|
5.6
|
Mawrth 2023
|
3.6
|
4.2
|
3.2
|
Ebrill 2023
|
2.7
|
3.1
|
1.9
|
Mai 2023
|
1.1
|
1.4
|
0.9
|
Mehefin 2023
|
0.8
|
0.7
|
0.6
|
Gorffennaf 2023
|
0.2
|
0.2
|
-0.3
|
Dyddiad
|
Pob math o eiddo
|
Tai pâr
|
Tai teras
|
Mawrth 2002
|
2.4
|
3.3
|
2.2
|
Ebrill 2002
|
2.3
|
1.9
|
2.2
|
Mai 2002
|
3.2
|
3.8
|
3.7
|
Mehefin 2002
|
2.3
|
1.8
|
2.8
|
Gorffennaf 2002
|
4.3
|
4.2
|
3.6
|
Awst 2002
|
3.2
|
3.5
|
3.6
|
Medi 2002
|
0.5
|
0.7
|
0.1
|
Hydref 2002
|
2.6
|
2.9
|
1.9
|
Tachwedd 2002
|
3.2
|
2.8
|
3.4
|
Rhagfyr 2002
|
1.3
|
2.2
|
2.0
|
Ionawr 2003
|
2.0
|
0.9
|
2.3
|
Chwefror 2003
|
2.2
|
3.0
|
1.7
|
Mawrth 2003
|
-0.8
|
-1.2
|
-0.1
|
Ebrill 2003
|
4.9
|
5.4
|
4.6
|
Mai 2003
|
2.1
|
2.1
|
2.1
|
Mehefin 2003
|
0.8
|
0.8
|
1.2
|
Gorffennaf 2003
|
1.9
|
2.3
|
2.0
|
Awst 2003
|
2.6
|
2.5
|
3.3
|
Medi 2003
|
-0.0
|
-0.1
|
0.2
|
Hydref 2003
|
1.6
|
1.7
|
1.4
|
Tachwedd 2003
|
1.1
|
1.4
|
1.0
|
Rhagfyr 2003
|
0.2
|
0.2
|
1.6
|
Ionawr 2004
|
1.2
|
0.9
|
0.6
|
Chwefror 2004
|
0.7
|
0.8
|
1.4
|
Mawrth 2004
|
0.8
|
0.6
|
1.2
|
Ebrill 2004
|
3.7
|
4.4
|
4.7
|
Mai 2004
|
2.3
|
2.0
|
2.8
|
Mehefin 2004
|
1.9
|
2.0
|
1.4
|
Gorffennaf 2004
|
2.0
|
2.6
|
2.4
|
Awst 2004
|
1.9
|
1.5
|
1.9
|
Medi 2004
|
0.7
|
0.4
|
0.8
|
Hydref 2004
|
-0.2
|
0.0
|
-0.4
|
Tachwedd 2004
|
1.2
|
0.9
|
1.4
|
Rhagfyr 2004
|
-0.6
|
-0.6
|
0.0
|
Ionawr 2005
|
-1.8
|
-2.0
|
-2.1
|
Chwefror 2005
|
1.1
|
1.8
|
1.2
|
Mawrth 2005
|
0.2
|
0.0
|
0.6
|
Ebrill 2005
|
1.1
|
1.5
|
1.5
|
Mai 2005
|
1.1
|
0.6
|
0.9
|
Mehefin 2005
|
-0.4
|
-0.2
|
0.6
|
Gorffennaf 2005
|
1.2
|
1.6
|
0.6
|
Awst 2005
|
0.8
|
-0.0
|
0.8
|
Medi 2005
|
-0.8
|
-0.7
|
-0.5
|
Hydref 2005
|
0.9
|
1.0
|
1.0
|
Tachwedd 2005
|
0.0
|
-0.1
|
-0.1
|
Rhagfyr 2005
|
-0.2
|
-0.4
|
0.6
|
Ionawr 2006
|
-1.3
|
-1.1
|
-1.9
|
Chwefror 2006
|
0.3
|
0.2
|
0.6
|
Mawrth 2006
|
0.4
|
0.5
|
0.4
|
Ebrill 2006
|
2.8
|
2.9
|
3.1
|
Mai 2006
|
-0.2
|
-0.3
|
-0.6
|
Mehefin 2006
|
0.9
|
1.2
|
1.7
|
Gorffennaf 2006
|
1.8
|
1.4
|
1.9
|
Awst 2006
|
0.4
|
0.6
|
-0.0
|
Medi 2006
|
-1.0
|
-1.0
|
-1.0
|
Hydref 2006
|
1.0
|
1.0
|
1.0
|
Tachwedd 2006
|
0.2
|
0.4
|
0.3
|
Rhagfyr 2006
|
1.2
|
1.2
|
1.9
|
Ionawr 2007
|
-0.3
|
-0.6
|
-0.5
|
Chwefror 2007
|
0.4
|
0.5
|
-0.2
|
Mawrth 2007
|
0.4
|
0.4
|
1.0
|
Ebrill 2007
|
1.0
|
0.8
|
1.5
|
Mai 2007
|
0.3
|
0.2
|
0.0
|
Mehefin 2007
|
1.1
|
1.1
|
1.4
|
Gorffennaf 2007
|
1.1
|
0.9
|
0.8
|
Awst 2007
|
0.7
|
0.9
|
0.6
|
Medi 2007
|
0.3
|
0.2
|
0.1
|
Hydref 2007
|
-1.2
|
-1.4
|
-1.0
|
Tachwedd 2007
|
0.2
|
0.4
|
-0.3
|
Rhagfyr 2007
|
-0.4
|
-0.6
|
0.0
|
Ionawr 2008
|
-2.7
|
-2.9
|
-2.6
|
Chwefror 2008
|
-0.0
|
0.4
|
-0.3
|
Mawrth 2008
|
-0.5
|
-0.2
|
0.1
|
Ebrill 2008
|
0.1
|
-0.5
|
-0.0
|
Mai 2008
|
-0.2
|
0.5
|
-0.3
|
Mehefin 2008
|
-0.4
|
-0.6
|
-0.0
|
Gorffennaf 2008
|
-0.4
|
-0.3
|
-0.8
|
Awst 2008
|
-3.2
|
-3.3
|
-3.3
|
Medi 2008
|
-2.5
|
-2.9
|
-2.9
|
Hydref 2008
|
-1.7
|
-1.3
|
-1.5
|
Tachwedd 2008
|
-3.8
|
-3.4
|
-4.1
|
Rhagfyr 2008
|
-0.1
|
-0.5
|
0.6
|
Ionawr 2009
|
-2.3
|
-2.7
|
-3.2
|
Chwefror 2009
|
-1.4
|
-0.6
|
-1.4
|
Mawrth 2009
|
0.0
|
-0.6
|
0.9
|
Ebrill 2009
|
0.4
|
0.9
|
0.2
|
Mai 2009
|
-0.4
|
-0.2
|
-0.3
|
Mehefin 2009
|
2.5
|
2.3
|
2.9
|
Gorffennaf 2009
|
0.8
|
0.8
|
0.9
|
Awst 2009
|
1.6
|
1.6
|
1.4
|
Medi 2009
|
0.1
|
0.0
|
-0.2
|
Hydref 2009
|
1.4
|
1.7
|
1.3
|
Tachwedd 2009
|
0.1
|
-0.4
|
0.4
|
Rhagfyr 2009
|
1.5
|
2.3
|
2.6
|
Ionawr 2010
|
-2.9
|
-3.6
|
-5.0
|
Chwefror 2010
|
2.3
|
2.8
|
2.7
|
Mawrth 2010
|
-1.2
|
-1.7
|
-1.3
|
Ebrill 2010
|
1.2
|
1.6
|
1.5
|
Mai 2010
|
1.7
|
1.3
|
1.6
|
Mehefin 2010
|
0.3
|
0.5
|
0.8
|
Gorffennaf 2010
|
0.6
|
0.4
|
-0.4
|
Awst 2010
|
0.7
|
1.1
|
0.4
|
Medi 2010
|
-1.3
|
-1.9
|
-1.2
|
Hydref 2010
|
-0.7
|
-0.5
|
-1.0
|
Tachwedd 2010
|
-0.8
|
-0.9
|
-1.3
|
Rhagfyr 2010
|
-0.6
|
-0.2
|
0.4
|
Ionawr 2011
|
-1.9
|
-2.4
|
-2.8
|
Chwefror 2011
|
0.6
|
0.7
|
1.0
|
Mawrth 2011
|
-0.6
|
-1.2
|
-0.5
|
Ebrill 2011
|
0.5
|
1.0
|
0.5
|
Mai 2011
|
0.3
|
0.4
|
0.1
|
Mehefin 2011
|
0.2
|
0.8
|
0.8
|
Gorffennaf 2011
|
1.6
|
1.1
|
1.7
|
Awst 2011
|
0.4
|
0.8
|
-0.5
|
Medi 2011
|
-1.2
|
-1.5
|
-0.4
|
Hydref 2011
|
-1.0
|
-0.7
|
-2.0
|
Tachwedd 2011
|
0.2
|
0.2
|
0.2
|
Rhagfyr 2011
|
0.6
|
0.9
|
1.0
|
Ionawr 2012
|
-1.7
|
-1.6
|
-1.4
|
Chwefror 2012
|
-0.2
|
-0.5
|
0.2
|
Mawrth 2012
|
0.7
|
1.1
|
1.3
|
Ebrill 2012
|
1.0
|
0.6
|
-0.2
|
Mai 2012
|
-0.1
|
-0.0
|
0.3
|
Mehefin 2012
|
0.9
|
0.9
|
2.1
|
Gorffennaf 2012
|
1.1
|
1.0
|
-0.1
|
Awst 2012
|
-0.8
|
-0.8
|
-0.4
|
Medi 2012
|
-0.4
|
-0.6
|
-0.3
|
Hydref 2012
|
0.1
|
0.4
|
-0.2
|
Tachwedd 2012
|
0.1
|
0.1
|
-0.1
|
Rhagfyr 2012
|
-0.4
|
-0.7
|
-0.1
|
Ionawr 2013
|
-1.0
|
-0.5
|
-1.4
|
Chwefror 2013
|
0.1
|
-0.2
|
0.5
|
Mawrth 2013
|
0.7
|
0.4
|
0.5
|
Ebrill 2013
|
0.5
|
0.9
|
0.5
|
Mai 2013
|
1.2
|
1.2
|
1.4
|
Mehefin 2013
|
0.2
|
0.4
|
1.0
|
Gorffennaf 2013
|
0.8
|
0.6
|
0.3
|
Awst 2013
|
1.0
|
1.3
|
0.8
|
Medi 2013
|
-0.3
|
-1.0
|
-0.3
|
Hydref 2013
|
0.6
|
1.0
|
-0.2
|
Tachwedd 2013
|
-0.6
|
-0.2
|
-0.2
|
Rhagfyr 2013
|
1.7
|
1.9
|
2.1
|
Ionawr 2014
|
-0.5
|
-1.1
|
-0.8
|
Chwefror 2014
|
1.0
|
1.3
|
1.1
|
Mawrth 2014
|
-0.2
|
0.2
|
-0.0
|
Ebrill 2014
|
2.0
|
1.7
|
2.0
|
Mai 2014
|
0.5
|
0.5
|
0.6
|
Mehefin 2014
|
1.0
|
1.3
|
1.2
|
Gorffennaf 2014
|
0.8
|
0.3
|
0.6
|
Awst 2014
|
1.6
|
1.7
|
1.4
|
Medi 2014
|
0.2
|
-0.0
|
0.4
|
Hydref 2014
|
-0.7
|
-0.6
|
-1.2
|
Tachwedd 2014
|
-0.1
|
-0.1
|
-0.4
|
Rhagfyr 2014
|
-0.1
|
-0.1
|
0.1
|
Ionawr 2015
|
-0.2
|
-0.2
|
-0.3
|
Chwefror 2015
|
0.4
|
0.1
|
0.7
|
Mawrth 2015
|
0.3
|
0.5
|
-0.5
|
Ebrill 2015
|
0.6
|
0.7
|
1.2
|
Mai 2015
|
1.3
|
1.5
|
1.1
|
Mehefin 2015
|
0.8
|
0.8
|
1.2
|
Gorffennaf 2015
|
1.4
|
1.4
|
1.2
|
Awst 2015
|
1.3
|
1.1
|
1.1
|
Medi 2015
|
-0.6
|
-1.0
|
-0.7
|
Hydref 2015
|
1.0
|
1.3
|
1.0
|
Tachwedd 2015
|
0.4
|
0.5
|
0.2
|
Rhagfyr 2015
|
0.4
|
0.1
|
0.5
|
Ionawr 2016
|
-0.1
|
0.3
|
-0.2
|
Chwefror 2016
|
-0.3
|
-0.4
|
0.1
|
Mawrth 2016
|
0.5
|
-0.1
|
0.1
|
Ebrill 2016
|
1.7
|
2.2
|
2.0
|
Mai 2016
|
0.5
|
0.4
|
1.2
|
Mehefin 2016
|
0.8
|
0.5
|
0.3
|
Gorffennaf 2016
|
1.0
|
1.2
|
1.2
|
Awst 2016
|
0.5
|
0.4
|
0.4
|
Medi 2016
|
0.4
|
0.4
|
0.0
|
Hydref 2016
|
-0.5
|
-0.4
|
-1.2
|
Tachwedd 2016
|
0.8
|
0.6
|
0.5
|
Rhagfyr 2016
|
0.5
|
0.4
|
1.0
|
Ionawr 2017
|
-1.0
|
-0.9
|
-1.6
|
Chwefror 2017
|
1.2
|
0.9
|
1.8
|
Mawrth 2017
|
-0.1
|
0.1
|
-0.5
|
Ebrill 2017
|
1.7
|
1.7
|
1.9
|
Mai 2017
|
0.6
|
1.2
|
0.5
|
Mehefin 2017
|
0.7
|
0.2
|
1.1
|
Gorffennaf 2017
|
1.6
|
1.7
|
1.6
|
Awst 2017
|
-0.2
|
-0.3
|
0.2
|
Medi 2017
|
0.6
|
0.5
|
0.1
|
Hydref 2017
|
0.1
|
0.5
|
-0.3
|
Tachwedd 2017
|
-0.0
|
0.1
|
0.2
|
Rhagfyr 2017
|
0.5
|
0.3
|
0.8
|
Ionawr 2018
|
-0.2
|
-0.0
|
-0.7
|
Chwefror 2018
|
1.4
|
1.3
|
1.7
|
Mawrth 2018
|
-1.3
|
-1.3
|
-1.1
|
Ebrill 2018
|
1.3
|
1.5
|
1.5
|
Mai 2018
|
0.8
|
0.9
|
0.9
|
Mehefin 2018
|
0.2
|
0.5
|
-0.1
|
Gorffennaf 2018
|
1.0
|
0.6
|
1.0
|
Awst 2018
|
0.7
|
0.8
|
1.2
|
Medi 2018
|
0.8
|
0.8
|
0.2
|
Hydref 2018
|
-1.2
|
-1.2
|
-1.4
|
Tachwedd 2018
|
0.7
|
0.7
|
0.9
|
Rhagfyr 2018
|
-0.7
|
-0.5
|
-0.7
|
Ionawr 2019
|
-0.2
|
-0.5
|
-1.0
|
Chwefror 2019
|
-0.1
|
-0.2
|
0.3
|
Mawrth 2019
|
-0.2
|
0.1
|
-0.1
|
Ebrill 2019
|
0.5
|
0.4
|
1.0
|
Mai 2019
|
0.2
|
0.4
|
0.5
|
Mehefin 2019
|
0.1
|
0.1
|
-0.6
|
Gorffennaf 2019
|
0.8
|
0.5
|
1.2
|
Awst 2019
|
1.0
|
0.8
|
1.1
|
Medi 2019
|
-0.2
|
-0.4
|
-0.2
|
Hydref 2019
|
-0.1
|
0.7
|
-0.7
|
Tachwedd 2019
|
0.1
|
-0.1
|
0.0
|
Rhagfyr 2019
|
-0.2
|
-0.3
|
0.4
|
Ionawr 2020
|
0.3
|
0.6
|
-0.1
|
Chwefror 2020
|
-0.8
|
-1.0
|
-0.3
|
Mawrth 2020
|
1.2
|
1.0
|
0.9
|
Ebrill 2020
|
-0.3
|
-0.3
|
-0.1
|
Mai 2020
|
-0.3
|
0.2
|
-0.7
|
Mehefin 2020
|
2.0
|
1.9
|
2.9
|
Gorffennaf 2020
|
1.0
|
0.8
|
0.6
|
Awst 2020
|
0.2
|
0.5
|
-0.1
|
Medi 2020
|
0.4
|
-0.1
|
0.4
|
Hydref 2020
|
1.4
|
1.3
|
1.8
|
Tachwedd 2020
|
1.3
|
1.3
|
1.4
|
Rhagfyr 2020
|
1.2
|
1.1
|
1.4
|
Ionawr 2021
|
0.2
|
0.7
|
0.7
|
Chwefror 2021
|
1.2
|
1.0
|
1.8
|
Mawrth 2021
|
0.5
|
0.3
|
0.7
|
Ebrill 2021
|
-1.5
|
-1.4
|
-1.9
|
Mai 2021
|
0.5
|
0.5
|
0.5
|
Mehefin 2021
|
5.8
|
5.5
|
7.4
|
Gorffennaf 2021
|
-5.8
|
-5.1
|
-7.8
|
Awst 2021
|
3.2
|
3.1
|
3.3
|
Medi 2021
|
3.9
|
3.7
|
5.3
|
Hydref 2021
|
-2.1
|
-2.5
|
-4.6
|
Tachwedd 2021
|
1.6
|
1.9
|
2.3
|
Rhagfyr 2021
|
1.0
|
0.6
|
1.8
|
Ionawr 2022
|
0.8
|
1.4
|
0.3
|
Chwefror 2022
|
0.5
|
0.6
|
0.8
|
Mawrth 2022
|
0.8
|
0.8
|
0.6
|
Ebrill 2022
|
0.8
|
0.6
|
1.4
|
Mai 2022
|
1.1
|
1.4
|
1.1
|
Mehefin 2022
|
1.9
|
1.9
|
2.4
|
Gorffennaf 2022
|
0.9
|
1.2
|
0.6
|
Awst 2022
|
1.7
|
1.5
|
2.0
|
Medi 2022
|
0.0
|
-0.2
|
-0.2
|
Hydref 2022
|
0.2
|
0.4
|
0.1
|
Tachwedd 2022
|
0.4
|
0.3
|
0.4
|
Rhagfyr 2022
|
0.2
|
0.5
|
0.4
|
Ionawr 2023
|
-1.6
|
-1.7
|
-2.5
|
Chwefror 2023
|
-0.7
|
-0.8
|
-0.7
|
Mawrth 2023
|
-1.2
|
-0.9
|
-1.7
|
Ebrill 2023
|
-0.2
|
-0.5
|
0.1
|
Mai 2023
|
-0.4
|
-0.2
|
0.1
|
Mehefin 2023
|
1.5
|
1.2
|
2.1
|
Gorffennaf 2023
|
0.3
|
0.7
|
-0.3
|
Dyddiad
|
Pob math o eiddo
|
Tai pâr
|
Tai teras
|
Mawrth 2002
|
51.0
|
50.2
|
47.6
|
Ebrill 2002
|
52.1
|
51.1
|
48.6
|
Mai 2002
|
53.8
|
53.0
|
50.4
|
Mehefin 2002
|
55.0
|
54.0
|
51.8
|
Gorffennaf 2002
|
57.4
|
56.2
|
53.7
|
Awst 2002
|
59.3
|
58.2
|
55.6
|
Medi 2002
|
59.5
|
58.6
|
55.6
|
Hydref 2002
|
61.1
|
60.3
|
56.7
|
Tachwedd 2002
|
63.1
|
62.0
|
58.6
|
Rhagfyr 2002
|
63.9
|
63.4
|
59.8
|
Ionawr 2003
|
65.2
|
64.0
|
61.2
|
Chwefror 2003
|
66.6
|
65.9
|
62.3
|
Mawrth 2003
|
66.1
|
65.2
|
62.2
|
Ebrill 2003
|
69.3
|
68.7
|
65.1
|
Mai 2003
|
70.7
|
70.1
|
66.4
|
Mehefin 2003
|
71.3
|
70.6
|
67.2
|
Gorffennaf 2003
|
72.7
|
72.2
|
68.6
|
Awst 2003
|
74.6
|
74.1
|
70.8
|
Medi 2003
|
74.6
|
74.0
|
70.9
|
Hydref 2003
|
75.8
|
75.3
|
71.9
|
Tachwedd 2003
|
76.6
|
76.3
|
72.6
|
Rhagfyr 2003
|
76.8
|
76.5
|
73.8
|
Ionawr 2004
|
77.7
|
77.2
|
74.2
|
Chwefror 2004
|
78.2
|
77.8
|
75.3
|
Mawrth 2004
|
78.9
|
78.2
|
76.2
|
Ebrill 2004
|
81.8
|
81.7
|
79.7
|
Mai 2004
|
83.6
|
83.3
|
82.0
|
Mehefin 2004
|
85.2
|
85.0
|
83.1
|
Gorffennaf 2004
|
87.0
|
87.2
|
85.1
|
Awst 2004
|
88.6
|
88.5
|
86.7
|
Medi 2004
|
89.2
|
88.8
|
87.4
|
Hydref 2004
|
89.1
|
88.9
|
87.1
|
Tachwedd 2004
|
90.2
|
89.7
|
88.2
|
Rhagfyr 2004
|
89.6
|
89.1
|
88.3
|
Ionawr 2005
|
88.0
|
87.4
|
86.4
|
Chwefror 2005
|
89.0
|
88.9
|
87.4
|
Mawrth 2005
|
89.2
|
89.0
|
88.0
|
Ebrill 2005
|
90.2
|
90.3
|
89.3
|
Mai 2005
|
91.2
|
90.8
|
90.1
|
Mehefin 2005
|
90.9
|
90.6
|
90.6
|
Gorffennaf 2005
|
92.0
|
92.1
|
91.2
|
Awst 2005
|
92.7
|
92.0
|
91.9
|
Medi 2005
|
92.0
|
91.4
|
91.5
|
Hydref 2005
|
92.8
|
92.4
|
92.4
|
Tachwedd 2005
|
92.8
|
92.2
|
92.2
|
Rhagfyr 2005
|
92.6
|
91.9
|
92.8
|
Ionawr 2006
|
91.4
|
90.8
|
91.1
|
Chwefror 2006
|
91.6
|
91.0
|
91.6
|
Mawrth 2006
|
92.0
|
91.5
|
92.0
|
Ebrill 2006
|
94.6
|
94.2
|
94.9
|
Mai 2006
|
94.4
|
93.9
|
94.3
|
Mehefin 2006
|
95.3
|
95.0
|
95.9
|
Gorffennaf 2006
|
97.0
|
96.3
|
97.8
|
Awst 2006
|
97.4
|
96.9
|
97.8
|
Medi 2006
|
96.5
|
95.9
|
96.8
|
Hydref 2006
|
97.5
|
96.9
|
97.8
|
Tachwedd 2006
|
97.7
|
97.3
|
98.0
|
Rhagfyr 2006
|
98.8
|
98.4
|
99.9
|
Ionawr 2007
|
98.5
|
97.8
|
99.4
|
Chwefror 2007
|
98.9
|
98.4
|
99.2
|
Mawrth 2007
|
99.3
|
98.7
|
100.1
|
Ebrill 2007
|
100.2
|
99.5
|
101.6
|
Mai 2007
|
100.5
|
99.7
|
101.7
|
Mehefin 2007
|
101.7
|
100.8
|
103.1
|
Gorffennaf 2007
|
102.8
|
101.7
|
104.0
|
Awst 2007
|
103.5
|
102.6
|
104.6
|
Medi 2007
|
103.8
|
102.8
|
104.6
|
Hydref 2007
|
102.5
|
101.4
|
103.6
|
Tachwedd 2007
|
102.8
|
101.8
|
103.3
|
Rhagfyr 2007
|
102.3
|
101.2
|
103.3
|
Ionawr 2008
|
99.6
|
98.2
|
100.6
|
Chwefror 2008
|
99.6
|
98.7
|
100.3
|
Mawrth 2008
|
99.1
|
98.4
|
100.4
|
Ebrill 2008
|
99.2
|
97.9
|
100.4
|
Mai 2008
|
99.0
|
98.4
|
100.0
|
Mehefin 2008
|
98.6
|
97.8
|
100.0
|
Gorffennaf 2008
|
98.2
|
97.5
|
99.1
|
Awst 2008
|
95.1
|
94.3
|
95.8
|
Medi 2008
|
92.8
|
91.5
|
93.1
|
Hydref 2008
|
91.2
|
90.3
|
91.6
|
Tachwedd 2008
|
87.8
|
87.3
|
87.9
|
Rhagfyr 2008
|
87.7
|
86.8
|
88.4
|
Ionawr 2009
|
85.7
|
84.5
|
85.6
|
Chwefror 2009
|
84.5
|
84.0
|
84.4
|
Mawrth 2009
|
84.5
|
83.5
|
85.1
|
Ebrill 2009
|
84.8
|
84.2
|
85.3
|
Mai 2009
|
84.5
|
84.1
|
85.0
|
Mehefin 2009
|
86.6
|
86.0
|
87.5
|
Gorffennaf 2009
|
87.4
|
86.7
|
88.3
|
Awst 2009
|
88.7
|
88.1
|
89.5
|
Medi 2009
|
88.8
|
88.2
|
89.4
|
Hydref 2009
|
90.0
|
89.7
|
90.5
|
Tachwedd 2009
|
90.2
|
89.3
|
90.9
|
Rhagfyr 2009
|
91.5
|
91.3
|
93.3
|
Ionawr 2010
|
88.8
|
88.0
|
88.6
|
Chwefror 2010
|
90.8
|
90.5
|
91.0
|
Mawrth 2010
|
89.7
|
89.0
|
89.8
|
Ebrill 2010
|
90.8
|
90.4
|
91.2
|
Mai 2010
|
92.2
|
91.6
|
92.7
|
Mehefin 2010
|
92.5
|
92.0
|
93.4
|
Gorffennaf 2010
|
93.0
|
92.4
|
93.1
|
Awst 2010
|
93.7
|
93.4
|
93.5
|
Medi 2010
|
92.5
|
91.6
|
92.4
|
Hydref 2010
|
91.8
|
91.2
|
91.5
|
Tachwedd 2010
|
91.1
|
90.4
|
90.3
|
Rhagfyr 2010
|
90.5
|
90.2
|
90.7
|
Ionawr 2011
|
88.8
|
88.0
|
88.1
|
Chwefror 2011
|
89.3
|
88.6
|
89.0
|
Mawrth 2011
|
88.8
|
87.6
|
88.5
|
Ebrill 2011
|
89.2
|
88.4
|
89.0
|
Mai 2011
|
89.4
|
88.8
|
89.1
|
Mehefin 2011
|
89.7
|
89.5
|
89.8
|
Gorffennaf 2011
|
91.1
|
90.4
|
91.3
|
Awst 2011
|
91.5
|
91.1
|
90.8
|
Medi 2011
|
90.4
|
89.8
|
90.4
|
Hydref 2011
|
89.5
|
89.1
|
88.6
|
Tachwedd 2011
|
89.7
|
89.3
|
88.8
|
Rhagfyr 2011
|
90.3
|
90.1
|
89.7
|
Ionawr 2012
|
88.7
|
88.6
|
88.5
|
Chwefror 2012
|
88.6
|
88.2
|
88.7
|
Mawrth 2012
|
89.2
|
89.2
|
89.8
|
Ebrill 2012
|
90.1
|
89.7
|
89.7
|
Mai 2012
|
90.0
|
89.7
|
90.0
|
Mehefin 2012
|
90.8
|
90.5
|
91.9
|
Gorffennaf 2012
|
91.7
|
91.4
|
91.8
|
Awst 2012
|
91.0
|
90.7
|
91.5
|
Medi 2012
|
90.6
|
90.1
|
91.2
|
Hydref 2012
|
90.7
|
90.5
|
91.0
|
Tachwedd 2012
|
90.8
|
90.6
|
91.0
|
Rhagfyr 2012
|
90.4
|
90.0
|
90.8
|
Ionawr 2013
|
89.5
|
89.5
|
89.5
|
Chwefror 2013
|
89.5
|
89.3
|
90.0
|
Mawrth 2013
|
90.2
|
89.7
|
90.4
|
Ebrill 2013
|
90.7
|
90.4
|
90.8
|
Mai 2013
|
91.8
|
91.6
|
92.1
|
Mehefin 2013
|
92.0
|
91.9
|
93.0
|
Gorffennaf 2013
|
92.8
|
92.5
|
93.3
|
Awst 2013
|
93.7
|
93.7
|
94.1
|
Medi 2013
|
93.4
|
92.7
|
93.8
|
Hydref 2013
|
94.0
|
93.6
|
93.7
|
Tachwedd 2013
|
93.4
|
93.4
|
93.5
|
Rhagfyr 2013
|
95.0
|
95.2
|
95.4
|
Ionawr 2014
|
94.5
|
94.2
|
94.6
|
Chwefror 2014
|
95.5
|
95.4
|
95.7
|
Mawrth 2014
|
95.3
|
95.5
|
95.7
|
Ebrill 2014
|
97.2
|
97.1
|
97.6
|
Mai 2014
|
97.6
|
97.7
|
98.3
|
Mehefin 2014
|
98.6
|
98.9
|
99.5
|
Gorffennaf 2014
|
99.3
|
99.2
|
100.1
|
Awst 2014
|
100.9
|
100.9
|
101.4
|
Medi 2014
|
101.0
|
100.9
|
101.9
|
Hydref 2014
|
100.3
|
100.3
|
100.6
|
Tachwedd 2014
|
100.2
|
100.3
|
100.2
|
Rhagfyr 2014
|
100.2
|
100.2
|
100.3
|
Ionawr 2015
|
100.0
|
100.0
|
100.0
|
Chwefror 2015
|
100.4
|
100.1
|
100.7
|
Mawrth 2015
|
100.7
|
100.6
|
100.2
|
Ebrill 2015
|
101.3
|
101.3
|
101.4
|
Mai 2015
|
102.6
|
102.8
|
102.5
|
Mehefin 2015
|
103.4
|
103.6
|
103.8
|
Gorffennaf 2015
|
104.9
|
105.1
|
105.0
|
Awst 2015
|
106.2
|
106.2
|
106.2
|
Medi 2015
|
105.5
|
105.2
|
105.4
|
Hydref 2015
|
106.6
|
106.6
|
106.4
|
Tachwedd 2015
|
107.0
|
107.2
|
106.6
|
Rhagfyr 2015
|
107.4
|
107.3
|
107.2
|
Ionawr 2016
|
107.3
|
107.6
|
106.9
|
Chwefror 2016
|
107.0
|
107.2
|
107.0
|
Mawrth 2016
|
107.5
|
107.1
|
107.1
|
Ebrill 2016
|
109.3
|
109.4
|
109.3
|
Mai 2016
|
109.8
|
110.0
|
110.6
|
Mehefin 2016
|
110.7
|
110.5
|
111.0
|
Gorffennaf 2016
|
111.8
|
111.8
|
112.3
|
Awst 2016
|
112.4
|
112.2
|
112.7
|
Medi 2016
|
112.8
|
112.7
|
112.7
|
Hydref 2016
|
112.2
|
112.2
|
111.4
|
Tachwedd 2016
|
113.2
|
112.9
|
112.0
|
Rhagfyr 2016
|
113.7
|
113.4
|
113.1
|
Ionawr 2017
|
112.6
|
112.4
|
111.4
|
Chwefror 2017
|
114.0
|
113.4
|
113.4
|
Mawrth 2017
|
113.8
|
113.5
|
112.8
|
Ebrill 2017
|
115.8
|
115.4
|
114.9
|
Mai 2017
|
116.5
|
116.8
|
115.6
|
Mehefin 2017
|
117.3
|
117.0
|
116.8
|
Gorffennaf 2017
|
119.2
|
119.1
|
118.8
|
Awst 2017
|
118.9
|
118.7
|
119.0
|
Medi 2017
|
119.6
|
119.3
|
119.1
|
Hydref 2017
|
119.8
|
119.9
|
118.7
|
Tachwedd 2017
|
119.7
|
120.0
|
119.0
|
Rhagfyr 2017
|
120.4
|
120.4
|
119.9
|
Ionawr 2018
|
120.1
|
120.4
|
119.0
|
Chwefror 2018
|
121.8
|
122.0
|
121.0
|
Mawrth 2018
|
120.3
|
120.3
|
119.7
|
Ebrill 2018
|
121.9
|
122.1
|
121.5
|
Mai 2018
|
122.9
|
123.2
|
122.6
|
Mehefin 2018
|
123.2
|
123.8
|
122.5
|
Gorffennaf 2018
|
124.4
|
124.6
|
123.7
|
Awst 2018
|
125.3
|
125.7
|
125.2
|
Medi 2018
|
126.3
|
126.6
|
125.5
|
Hydref 2018
|
124.7
|
125.1
|
123.7
|
Tachwedd 2018
|
125.6
|
126.0
|
124.8
|
Rhagfyr 2018
|
124.7
|
125.4
|
123.9
|
Ionawr 2019
|
124.4
|
124.8
|
122.7
|
Chwefror 2019
|
124.3
|
124.5
|
123.1
|
Mawrth 2019
|
124.0
|
124.7
|
123.0
|
Ebrill 2019
|
124.7
|
125.2
|
124.2
|
Mai 2019
|
124.9
|
125.8
|
124.9
|
Mehefin 2019
|
125.0
|
125.8
|
124.2
|
Gorffennaf 2019
|
125.9
|
126.5
|
125.7
|
Awst 2019
|
127.1
|
127.5
|
127.1
|
Medi 2019
|
126.8
|
127.1
|
126.9
|
Hydref 2019
|
126.7
|
128.0
|
126.0
|
Tachwedd 2019
|
126.8
|
127.9
|
126.0
|
Rhagfyr 2019
|
126.6
|
127.6
|
126.4
|
Ionawr 2020
|
127.0
|
128.3
|
126.2
|
Chwefror 2020
|
125.9
|
126.9
|
125.9
|
Mawrth 2020
|
127.4
|
128.2
|
127.0
|
Ebrill 2020
|
127.0
|
127.9
|
126.8
|
Mai 2020
|
126.6
|
128.1
|
125.9
|
Mehefin 2020
|
129.2
|
130.5
|
129.6
|
Gorffennaf 2020
|
130.4
|
131.6
|
130.4
|
Awst 2020
|
130.8
|
132.2
|
130.3
|
Medi 2020
|
131.2
|
132.0
|
130.8
|
Hydref 2020
|
133.0
|
133.8
|
133.1
|
Tachwedd 2020
|
134.7
|
135.4
|
135.0
|
Rhagfyr 2020
|
136.4
|
137.0
|
136.9
|
Ionawr 2021
|
136.6
|
137.9
|
137.9
|
Chwefror 2021
|
138.2
|
139.2
|
140.4
|
Mawrth 2021
|
138.9
|
139.7
|
141.4
|
Ebrill 2021
|
136.9
|
137.8
|
138.8
|
Mai 2021
|
137.6
|
138.5
|
139.5
|
Mehefin 2021
|
145.6
|
146.0
|
149.9
|
Gorffennaf 2021
|
137.1
|
138.6
|
138.2
|
Awst 2021
|
141.5
|
142.9
|
142.7
|
Medi 2021
|
146.9
|
148.1
|
150.3
|
Hydref 2021
|
143.8
|
144.4
|
143.3
|
Tachwedd 2021
|
146.0
|
147.2
|
146.5
|
Rhagfyr 2021
|
147.5
|
148.1
|
149.1
|
Ionawr 2022
|
148.7
|
150.1
|
149.6
|
Chwefror 2022
|
149.4
|
151.0
|
150.7
|
Mawrth 2022
|
150.7
|
152.1
|
151.6
|
Ebrill 2022
|
151.8
|
153.0
|
153.7
|
Mai 2022
|
153.5
|
155.2
|
155.4
|
Mehefin 2022
|
156.4
|
158.1
|
159.0
|
Gorffennaf 2022
|
157.8
|
160.0
|
160.0
|
Awst 2022
|
160.5
|
162.4
|
163.1
|
Medi 2022
|
160.4
|
162.1
|
162.8
|
Hydref 2022
|
160.8
|
162.7
|
163.0
|
Tachwedd 2022
|
161.4
|
163.2
|
163.7
|
Rhagfyr 2022
|
161.7
|
163.9
|
164.4
|
Ionawr 2023
|
159.2
|
161.1
|
160.3
|
Chwefror 2023
|
158.1
|
159.8
|
159.2
|
Mawrth 2023
|
156.1
|
158.4
|
156.4
|
Ebrill 2023
|
155.9
|
157.7
|
156.6
|
Mai 2023
|
155.3
|
157.4
|
156.8
|
Mehefin 2023
|
157.6
|
159.2
|
160.1
|
Gorffennaf 2023
|
158.1
|
160.4
|
159.6
|
Statws y prynwr
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol yn ôl y math o brynwr e.e. Prynwr am y Tro Cyntaf neu Gyn Berchen-Feddiannydd
Statws cyllido
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol a nifer y gwerthiannau yn ôl statws cyllido, e.e. Arian Parod/Morgais
Dyddiad
|
Pryniannau morgais
|
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
|
138231.0
|
Chwefror 2012
|
138104.0
|
Mawrth 2012
|
138797.0
|
Ebrill 2012
|
140334.0
|
Mai 2012
|
140027.0
|
Mehefin 2012
|
141418.0
|
Gorffennaf 2012
|
142937.0
|
Awst 2012
|
141504.0
|
Medi 2012
|
141217.0
|
Hydref 2012
|
141359.0
|
Tachwedd 2012
|
141504.0
|
Rhagfyr 2012
|
140960.0
|
Ionawr 2013
|
139597.0
|
Chwefror 2013
|
139515.0
|
Mawrth 2013
|
140451.0
|
Ebrill 2013
|
141218.0
|
Mai 2013
|
142939.0
|
Mehefin 2013
|
143557.0
|
Gorffennaf 2013
|
144557.0
|
Awst 2013
|
146033.0
|
Medi 2013
|
145505.0
|
Hydref 2013
|
146511.0
|
Tachwedd 2013
|
145570.0
|
Rhagfyr 2013
|
148104.0
|
Ionawr 2014
|
147343.0
|
Chwefror 2014
|
148785.0
|
Mawrth 2014
|
148545.0
|
Ebrill 2014
|
151523.0
|
Mai 2014
|
152159.0
|
Mehefin 2014
|
153730.0
|
Gorffennaf 2014
|
154915.0
|
Awst 2014
|
157333.0
|
Medi 2014
|
157421.0
|
Hydref 2014
|
156480.0
|
Tachwedd 2014
|
156234.0
|
Rhagfyr 2014
|
156161.0
|
Ionawr 2015
|
155960.0
|
Chwefror 2015
|
156536.0
|
Mawrth 2015
|
157067.0
|
Ebrill 2015
|
158095.0
|
Mai 2015
|
160105.0
|
Mehefin 2015
|
161297.0
|
Gorffennaf 2015
|
163618.0
|
Awst 2015
|
165578.0
|
Medi 2015
|
164535.0
|
Hydref 2015
|
166191.0
|
Tachwedd 2015
|
166966.0
|
Rhagfyr 2015
|
167542.0
|
Ionawr 2016
|
167434.0
|
Chwefror 2016
|
166984.0
|
Mawrth 2016
|
167588.0
|
Ebrill 2016
|
170512.0
|
Mai 2016
|
171486.0
|
Mehefin 2016
|
172717.0
|
Gorffennaf 2016
|
174566.0
|
Awst 2016
|
175308.0
|
Medi 2016
|
175939.0
|
Hydref 2016
|
175182.0
|
Tachwedd 2016
|
176426.0
|
Rhagfyr 2016
|
177419.0
|
Ionawr 2017
|
175787.0
|
Chwefror 2017
|
177716.0
|
Mawrth 2017
|
177611.0
|
Ebrill 2017
|
180687.0
|
Mai 2017
|
181800.0
|
Mehefin 2017
|
182928.0
|
Gorffennaf 2017
|
185985.0
|
Awst 2017
|
185713.0
|
Medi 2017
|
186707.0
|
Hydref 2017
|
187010.0
|
Tachwedd 2017
|
186947.0
|
Rhagfyr 2017
|
187886.0
|
Ionawr 2018
|
187692.0
|
Chwefror 2018
|
190536.0
|
Mawrth 2018
|
188002.0
|
Ebrill 2018
|
190584.0
|
Mai 2018
|
191928.0
|
Mehefin 2018
|
192478.0
|
Gorffennaf 2018
|
194255.0
|
Awst 2018
|
195787.0
|
Medi 2018
|
197165.0
|
Hydref 2018
|
194904.0
|
Tachwedd 2018
|
196186.0
|
Rhagfyr 2018
|
194879.0
|
Ionawr 2019
|
194253.0
|
Chwefror 2019
|
194209.0
|
Mawrth 2019
|
193704.0
|
Ebrill 2019
|
194781.0
|
Mai 2019
|
195311.0
|
Mehefin 2019
|
195232.0
|
Gorffennaf 2019
|
196945.0
|
Awst 2019
|
198661.0
|
Medi 2019
|
198196.0
|
Hydref 2019
|
197992.0
|
Tachwedd 2019
|
198171.0
|
Rhagfyr 2019
|
197788.0
|
Ionawr 2020
|
198825.0
|
Chwefror 2020
|
196918.0
|
Mawrth 2020
|
199268.0
|
Ebrill 2020
|
198993.0
|
Mai 2020
|
198456.0
|
Mehefin 2020
|
202030.0
|
Gorffennaf 2020
|
204032.0
|
Awst 2020
|
204734.0
|
Medi 2020
|
205290.0
|
Hydref 2020
|
208059.0
|
Tachwedd 2020
|
210642.0
|
Rhagfyr 2020
|
213128.0
|
Ionawr 2021
|
213458.0
|
Chwefror 2021
|
216050.0
|
Mawrth 2021
|
217125.0
|
Ebrill 2021
|
214108.0
|
Mai 2021
|
214978.0
|
Mehefin 2021
|
227192.0
|
Gorffennaf 2021
|
214352.0
|
Awst 2021
|
221104.0
|
Medi 2021
|
229504.0
|
Hydref 2021
|
224620.0
|
Tachwedd 2021
|
228163.0
|
Rhagfyr 2021
|
230331.0
|
Ionawr 2022
|
232193.0
|
Chwefror 2022
|
233546.0
|
Mawrth 2022
|
235604.0
|
Ebrill 2022
|
237338.0
|
Mai 2022
|
239915.0
|
Mehefin 2022
|
244635.0
|
Gorffennaf 2022
|
246871.0
|
Awst 2022
|
251046.0
|
Medi 2022
|
250853.0
|
Hydref 2022
|
251489.0
|
Tachwedd 2022
|
252298.0
|
Rhagfyr 2022
|
252815.0
|
Ionawr 2023
|
248850.0
|
Chwefror 2023
|
247352.0
|
Mawrth 2023
|
244352.0
|
Ebrill 2023
|
243862.0
|
Mai 2023
|
243096.0
|
Mehefin 2023
|
246593.0
|
Gorffennaf 2023
|
247307.0
|
Dyddiad
|
Pryniannau morgais
|
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
|
1.0
|
Chwefror 2013
|
1.0
|
Mawrth 2013
|
1.2
|
Ebrill 2013
|
0.6
|
Mai 2013
|
2.1
|
Mehefin 2013
|
1.5
|
Gorffennaf 2013
|
1.1
|
Awst 2013
|
3.2
|
Medi 2013
|
3.0
|
Hydref 2013
|
3.6
|
Tachwedd 2013
|
2.9
|
Rhagfyr 2013
|
5.1
|
Ionawr 2014
|
5.6
|
Chwefror 2014
|
6.6
|
Mawrth 2014
|
5.8
|
Ebrill 2014
|
7.3
|
Mai 2014
|
6.4
|
Mehefin 2014
|
7.1
|
Gorffennaf 2014
|
7.2
|
Awst 2014
|
7.7
|
Medi 2014
|
8.2
|
Hydref 2014
|
6.8
|
Tachwedd 2014
|
7.3
|
Rhagfyr 2014
|
5.4
|
Ionawr 2015
|
5.8
|
Chwefror 2015
|
5.2
|
Mawrth 2015
|
5.7
|
Ebrill 2015
|
4.3
|
Mai 2015
|
5.2
|
Mehefin 2015
|
4.9
|
Gorffennaf 2015
|
5.6
|
Awst 2015
|
5.2
|
Medi 2015
|
4.5
|
Hydref 2015
|
6.2
|
Tachwedd 2015
|
6.9
|
Rhagfyr 2015
|
7.3
|
Ionawr 2016
|
7.4
|
Chwefror 2016
|
6.7
|
Mawrth 2016
|
6.7
|
Ebrill 2016
|
7.8
|
Mai 2016
|
7.1
|
Mehefin 2016
|
7.1
|
Gorffennaf 2016
|
6.7
|
Awst 2016
|
5.9
|
Medi 2016
|
6.9
|
Hydref 2016
|
5.4
|
Tachwedd 2016
|
5.7
|
Rhagfyr 2016
|
5.9
|
Ionawr 2017
|
5.0
|
Chwefror 2017
|
6.4
|
Mawrth 2017
|
6.0
|
Ebrill 2017
|
6.0
|
Mai 2017
|
6.0
|
Mehefin 2017
|
5.9
|
Gorffennaf 2017
|
6.5
|
Awst 2017
|
5.9
|
Medi 2017
|
6.1
|
Hydref 2017
|
6.8
|
Tachwedd 2017
|
6.0
|
Rhagfyr 2017
|
5.9
|
Ionawr 2018
|
6.8
|
Chwefror 2018
|
7.2
|
Mawrth 2018
|
5.8
|
Ebrill 2018
|
5.5
|
Mai 2018
|
5.6
|
Mehefin 2018
|
5.2
|
Gorffennaf 2018
|
4.4
|
Awst 2018
|
5.4
|
Medi 2018
|
5.6
|
Hydref 2018
|
4.2
|
Tachwedd 2018
|
4.9
|
Rhagfyr 2018
|
3.7
|
Ionawr 2019
|
3.5
|
Chwefror 2019
|
1.9
|
Mawrth 2019
|
3.0
|
Ebrill 2019
|
2.2
|
Mai 2019
|
1.8
|
Mehefin 2019
|
1.4
|
Gorffennaf 2019
|
1.4
|
Awst 2019
|
1.5
|
Medi 2019
|
0.5
|
Hydref 2019
|
1.6
|
Tachwedd 2019
|
1.0
|
Rhagfyr 2019
|
1.5
|
Ionawr 2020
|
2.4
|
Chwefror 2020
|
1.4
|
Mawrth 2020
|
2.9
|
Ebrill 2020
|
2.2
|
Mai 2020
|
1.6
|
Mehefin 2020
|
3.5
|
Gorffennaf 2020
|
3.6
|
Awst 2020
|
3.1
|
Medi 2020
|
3.6
|
Hydref 2020
|
5.1
|
Tachwedd 2020
|
6.3
|
Rhagfyr 2020
|
7.8
|
Ionawr 2021
|
7.4
|
Chwefror 2021
|
9.7
|
Mawrth 2021
|
9.0
|
Ebrill 2021
|
7.6
|
Mai 2021
|
8.3
|
Mehefin 2021
|
12.5
|
Gorffennaf 2021
|
5.1
|
Awst 2021
|
8.0
|
Medi 2021
|
11.8
|
Hydref 2021
|
8.0
|
Tachwedd 2021
|
8.3
|
Rhagfyr 2021
|
8.1
|
Ionawr 2022
|
8.8
|
Chwefror 2022
|
8.1
|
Mawrth 2022
|
8.5
|
Ebrill 2022
|
10.8
|
Mai 2022
|
11.6
|
Mehefin 2022
|
7.7
|
Gorffennaf 2022
|
15.2
|
Awst 2022
|
13.5
|
Medi 2022
|
9.3
|
Hydref 2022
|
12.0
|
Tachwedd 2022
|
10.6
|
Rhagfyr 2022
|
9.8
|
Ionawr 2023
|
7.2
|
Chwefror 2023
|
5.9
|
Mawrth 2023
|
3.7
|
Ebrill 2023
|
2.7
|
Mai 2023
|
1.3
|
Mehefin 2023
|
0.8
|
Gorffennaf 2023
|
0.2
|
Dyddiad
|
Pryniannau morgais
|
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
|
-0.1
|
Mawrth 2012
|
0.5
|
Ebrill 2012
|
1.1
|
Mai 2012
|
-0.2
|
Mehefin 2012
|
1.0
|
Gorffennaf 2012
|
1.1
|
Awst 2012
|
-1.0
|
Medi 2012
|
-0.2
|
Hydref 2012
|
0.1
|
Tachwedd 2012
|
0.1
|
Rhagfyr 2012
|
-0.4
|
Ionawr 2013
|
-1.0
|
Chwefror 2013
|
-0.1
|
Mawrth 2013
|
0.7
|
Ebrill 2013
|
0.6
|
Mai 2013
|
1.2
|
Mehefin 2013
|
0.4
|
Gorffennaf 2013
|
0.7
|
Awst 2013
|
1.0
|
Medi 2013
|
-0.4
|
Hydref 2013
|
0.7
|
Tachwedd 2013
|
-0.6
|
Rhagfyr 2013
|
1.7
|
Ionawr 2014
|
-0.5
|
Chwefror 2014
|
1.0
|
Mawrth 2014
|
-0.2
|
Ebrill 2014
|
2.0
|
Mai 2014
|
0.4
|
Mehefin 2014
|
1.0
|
Gorffennaf 2014
|
0.8
|
Awst 2014
|
1.6
|
Medi 2014
|
0.1
|
Hydref 2014
|
-0.6
|
Tachwedd 2014
|
-0.2
|
Rhagfyr 2014
|
-0.1
|
Ionawr 2015
|
-0.1
|
Chwefror 2015
|
0.4
|
Mawrth 2015
|
0.3
|
Ebrill 2015
|
0.6
|
Mai 2015
|
1.3
|
Mehefin 2015
|
0.7
|
Gorffennaf 2015
|
1.4
|
Awst 2015
|
1.2
|
Medi 2015
|
-0.6
|
Hydref 2015
|
1.0
|
Tachwedd 2015
|
0.5
|
Rhagfyr 2015
|
0.3
|
Ionawr 2016
|
-0.1
|
Chwefror 2016
|
-0.3
|
Mawrth 2016
|
0.4
|
Ebrill 2016
|
1.7
|
Mai 2016
|
0.6
|
Mehefin 2016
|
0.7
|
Gorffennaf 2016
|
1.1
|
Awst 2016
|
0.4
|
Medi 2016
|
0.4
|
Hydref 2016
|
-0.4
|
Tachwedd 2016
|
0.7
|
Rhagfyr 2016
|
0.6
|
Ionawr 2017
|
-0.9
|
Chwefror 2017
|
1.1
|
Mawrth 2017
|
-0.1
|
Ebrill 2017
|
1.7
|
Mai 2017
|
0.6
|
Mehefin 2017
|
0.6
|
Gorffennaf 2017
|
1.7
|
Awst 2017
|
-0.2
|
Medi 2017
|
0.5
|
Hydref 2017
|
0.2
|
Tachwedd 2017
|
-0.0
|
Rhagfyr 2017
|
0.5
|
Ionawr 2018
|
-0.1
|
Chwefror 2018
|
1.5
|
Mawrth 2018
|
-1.3
|
Ebrill 2018
|
1.4
|
Mai 2018
|
0.7
|
Mehefin 2018
|
0.3
|
Gorffennaf 2018
|
0.9
|
Awst 2018
|
0.8
|
Medi 2018
|
0.7
|
Hydref 2018
|
-1.2
|
Tachwedd 2018
|
0.7
|
Rhagfyr 2018
|
-0.7
|
Ionawr 2019
|
-0.3
|
Chwefror 2019
|
-0.0
|
Mawrth 2019
|
-0.3
|
Ebrill 2019
|
0.6
|
Mai 2019
|
0.3
|
Mehefin 2019
|
-0.0
|
Gorffennaf 2019
|
0.9
|
Awst 2019
|
0.9
|
Medi 2019
|
-0.2
|
Hydref 2019
|
-0.1
|
Tachwedd 2019
|
0.1
|
Rhagfyr 2019
|
-0.2
|
Ionawr 2020
|
0.5
|
Chwefror 2020
|
-1.0
|
Mawrth 2020
|
1.2
|
Ebrill 2020
|
-0.1
|
Mai 2020
|
-0.3
|
Mehefin 2020
|
1.8
|
Gorffennaf 2020
|
1.0
|
Awst 2020
|
0.3
|
Medi 2020
|
0.3
|
Hydref 2020
|
1.4
|
Tachwedd 2020
|
1.2
|
Rhagfyr 2020
|
1.2
|
Ionawr 2021
|
0.2
|
Chwefror 2021
|
1.2
|
Mawrth 2021
|
0.5
|
Ebrill 2021
|
-1.4
|
Mai 2021
|
0.4
|
Mehefin 2021
|
5.7
|
Gorffennaf 2021
|
-5.7
|
Awst 2021
|
3.1
|
Medi 2021
|
3.8
|
Hydref 2021
|
-2.1
|
Tachwedd 2021
|
1.6
|
Rhagfyr 2021
|
0.9
|
Ionawr 2022
|
0.8
|
Chwefror 2022
|
0.6
|
Mawrth 2022
|
0.9
|
Ebrill 2022
|
0.7
|
Mai 2022
|
1.1
|
Mehefin 2022
|
2.0
|
Gorffennaf 2022
|
0.9
|
Awst 2022
|
1.7
|
Medi 2022
|
-0.1
|
Hydref 2022
|
0.3
|
Tachwedd 2022
|
0.3
|
Rhagfyr 2022
|
0.2
|
Ionawr 2023
|
-1.6
|
Chwefror 2023
|
-0.6
|
Mawrth 2023
|
-1.2
|
Ebrill 2023
|
-0.2
|
Mai 2023
|
-0.3
|
Mehefin 2023
|
1.4
|
Gorffennaf 2023
|
0.3
|
Dyddiad
|
Pryniannau morgais
|
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
|
88.6
|
Chwefror 2012
|
88.6
|
Mawrth 2012
|
89.0
|
Ebrill 2012
|
90.0
|
Mai 2012
|
89.8
|
Mehefin 2012
|
90.7
|
Gorffennaf 2012
|
91.6
|
Awst 2012
|
90.7
|
Medi 2012
|
90.6
|
Hydref 2012
|
90.6
|
Tachwedd 2012
|
90.7
|
Rhagfyr 2012
|
90.4
|
Ionawr 2013
|
89.5
|
Chwefror 2013
|
89.5
|
Mawrth 2013
|
90.1
|
Ebrill 2013
|
90.6
|
Mai 2013
|
91.6
|
Mehefin 2013
|
92.0
|
Gorffennaf 2013
|
92.7
|
Awst 2013
|
93.6
|
Medi 2013
|
93.3
|
Hydref 2013
|
93.9
|
Tachwedd 2013
|
93.3
|
Rhagfyr 2013
|
95.0
|
Ionawr 2014
|
94.5
|
Chwefror 2014
|
95.4
|
Mawrth 2014
|
95.2
|
Ebrill 2014
|
97.2
|
Mai 2014
|
97.6
|
Mehefin 2014
|
98.6
|
Gorffennaf 2014
|
99.3
|
Awst 2014
|
100.9
|
Medi 2014
|
100.9
|
Hydref 2014
|
100.3
|
Tachwedd 2014
|
100.2
|
Rhagfyr 2014
|
100.1
|
Ionawr 2015
|
100.0
|
Chwefror 2015
|
100.4
|
Mawrth 2015
|
100.7
|
Ebrill 2015
|
101.4
|
Mai 2015
|
102.7
|
Mehefin 2015
|
103.4
|
Gorffennaf 2015
|
104.9
|
Awst 2015
|
106.2
|
Medi 2015
|
105.5
|
Hydref 2015
|
106.6
|
Tachwedd 2015
|
107.1
|
Rhagfyr 2015
|
107.4
|
Ionawr 2016
|
107.4
|
Chwefror 2016
|
107.1
|
Mawrth 2016
|
107.5
|
Ebrill 2016
|
109.3
|
Mai 2016
|
110.0
|
Mehefin 2016
|
110.7
|
Gorffennaf 2016
|
111.9
|
Awst 2016
|
112.4
|
Medi 2016
|
112.8
|
Hydref 2016
|
112.3
|
Tachwedd 2016
|
113.1
|
Rhagfyr 2016
|
113.8
|
Ionawr 2017
|
112.7
|
Chwefror 2017
|
114.0
|
Mawrth 2017
|
113.9
|
Ebrill 2017
|
115.9
|
Mai 2017
|
116.6
|
Mehefin 2017
|
117.3
|
Gorffennaf 2017
|
119.2
|
Awst 2017
|
119.1
|
Medi 2017
|
119.7
|
Hydref 2017
|
119.9
|
Tachwedd 2017
|
119.9
|
Rhagfyr 2017
|
120.5
|
Ionawr 2018
|
120.4
|
Chwefror 2018
|
122.2
|
Mawrth 2018
|
120.6
|
Ebrill 2018
|
122.2
|
Mai 2018
|
123.1
|
Mehefin 2018
|
123.4
|
Gorffennaf 2018
|
124.6
|
Awst 2018
|
125.5
|
Medi 2018
|
126.4
|
Hydref 2018
|
125.0
|
Tachwedd 2018
|
125.8
|
Rhagfyr 2018
|
125.0
|
Ionawr 2019
|
124.6
|
Chwefror 2019
|
124.5
|
Mawrth 2019
|
124.2
|
Ebrill 2019
|
124.9
|
Mai 2019
|
125.2
|
Mehefin 2019
|
125.2
|
Gorffennaf 2019
|
126.3
|
Awst 2019
|
127.4
|
Medi 2019
|
127.1
|
Hydref 2019
|
127.0
|
Tachwedd 2019
|
127.1
|
Rhagfyr 2019
|
126.8
|
Ionawr 2020
|
127.5
|
Chwefror 2020
|
126.3
|
Mawrth 2020
|
127.8
|
Ebrill 2020
|
127.6
|
Mai 2020
|
127.2
|
Mehefin 2020
|
129.5
|
Gorffennaf 2020
|
130.8
|
Awst 2020
|
131.3
|
Medi 2020
|
131.6
|
Hydref 2020
|
133.4
|
Tachwedd 2020
|
135.1
|
Rhagfyr 2020
|
136.7
|
Ionawr 2021
|
136.9
|
Chwefror 2021
|
138.5
|
Mawrth 2021
|
139.2
|
Ebrill 2021
|
137.3
|
Mai 2021
|
137.8
|
Mehefin 2021
|
145.7
|
Gorffennaf 2021
|
137.4
|
Awst 2021
|
141.8
|
Medi 2021
|
147.2
|
Hydref 2021
|
144.0
|
Tachwedd 2021
|
146.3
|
Rhagfyr 2021
|
147.7
|
Ionawr 2022
|
148.9
|
Chwefror 2022
|
149.7
|
Mawrth 2022
|
151.1
|
Ebrill 2022
|
152.2
|
Mai 2022
|
153.8
|
Mehefin 2022
|
156.9
|
Gorffennaf 2022
|
158.3
|
Awst 2022
|
161.0
|
Medi 2022
|
160.8
|
Hydref 2022
|
161.3
|
Tachwedd 2022
|
161.8
|
Rhagfyr 2022
|
162.1
|
Ionawr 2023
|
159.6
|
Chwefror 2023
|
158.6
|
Mawrth 2023
|
156.7
|
Ebrill 2023
|
156.4
|
Mai 2023
|
155.9
|
Mehefin 2023
|
158.1
|
Gorffennaf 2023
|
158.6
|
Statws yr eiddo
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol a nifer y gwerthiannau yn ôl cyllido yn ôl statws yr eiddo, e.e. Newydd/Presennol
Dyddiad
|
Adeilad newydd
|
Mawrth 2002
|
104709.0
|
Ebrill 2002
|
107533.0
|
Mai 2002
|
108758.0
|
Mehefin 2002
|
111819.0
|
Gorffennaf 2002
|
115510.0
|
Awst 2002
|
119493.0
|
Medi 2002
|
118098.0
|
Hydref 2002
|
122769.0
|
Tachwedd 2002
|
125603.0
|
Rhagfyr 2002
|
126555.0
|
Ionawr 2003
|
128273.0
|
Chwefror 2003
|
133208.0
|
Mawrth 2003
|
132507.0
|
Ebrill 2003
|
138288.0
|
Mai 2003
|
140059.0
|
Mehefin 2003
|
141740.0
|
Gorffennaf 2003
|
144267.0
|
Awst 2003
|
146255.0
|
Medi 2003
|
145388.0
|
Hydref 2003
|
148270.0
|
Tachwedd 2003
|
150036.0
|
Rhagfyr 2003
|
149522.0
|
Ionawr 2004
|
153387.0
|
Chwefror 2004
|
156082.0
|
Mawrth 2004
|
155748.0
|
Ebrill 2004
|
157118.0
|
Mai 2004
|
162613.0
|
Mehefin 2004
|
167909.0
|
Gorffennaf 2004
|
164546.0
|
Awst 2004
|
169312.0
|
Medi 2004
|
171484.0
|
Hydref 2004
|
171895.0
|
Tachwedd 2004
|
175884.0
|
Rhagfyr 2004
|
176887.0
|
Ionawr 2005
|
175958.0
|
Chwefror 2005
|
179879.0
|
Mawrth 2005
|
179762.0
|
Ebrill 2005
|
182358.0
|
Mai 2005
|
183276.0
|
Mehefin 2005
|
181610.0
|
Gorffennaf 2005
|
183616.0
|
Awst 2005
|
185500.0
|
Medi 2005
|
183644.0
|
Hydref 2005
|
186602.0
|
Tachwedd 2005
|
187736.0
|
Rhagfyr 2005
|
187682.0
|
Ionawr 2006
|
183557.0
|
Chwefror 2006
|
186964.0
|
Mawrth 2006
|
186235.0
|
Ebrill 2006
|
191255.0
|
Mai 2006
|
189773.0
|
Mehefin 2006
|
190357.0
|
Gorffennaf 2006
|
192383.0
|
Awst 2006
|
190912.0
|
Medi 2006
|
191370.0
|
Hydref 2006
|
192600.0
|
Tachwedd 2006
|
190998.0
|
Rhagfyr 2006
|
195474.0
|
Ionawr 2007
|
194733.0
|
Chwefror 2007
|
195579.0
|
Mawrth 2007
|
194166.0
|
Ebrill 2007
|
195479.0
|
Mai 2007
|
199734.0
|
Mehefin 2007
|
198950.0
|
Gorffennaf 2007
|
202961.0
|
Awst 2007
|
199240.0
|
Medi 2007
|
201996.0
|
Hydref 2007
|
200060.0
|
Tachwedd 2007
|
200027.0
|
Rhagfyr 2007
|
201080.0
|
Ionawr 2008
|
196945.0
|
Chwefror 2008
|
201657.0
|
Mawrth 2008
|
197830.0
|
Ebrill 2008
|
198911.0
|
Mai 2008
|
197947.0
|
Mehefin 2008
|
195310.0
|
Gorffennaf 2008
|
193708.0
|
Awst 2008
|
185418.0
|
Medi 2008
|
181710.0
|
Hydref 2008
|
179006.0
|
Tachwedd 2008
|
173845.0
|
Rhagfyr 2008
|
171046.0
|
Ionawr 2009
|
168907.0
|
Chwefror 2009
|
167793.0
|
Mawrth 2009
|
169647.0
|
Ebrill 2009
|
169311.0
|
Mai 2009
|
165923.0
|
Mehefin 2009
|
168003.0
|
Gorffennaf 2009
|
169628.0
|
Awst 2009
|
169271.0
|
Medi 2009
|
172127.0
|
Hydref 2009
|
173100.0
|
Tachwedd 2009
|
173068.0
|
Rhagfyr 2009
|
175092.0
|
Ionawr 2010
|
163412.0
|
Chwefror 2010
|
175846.0
|
Mawrth 2010
|
174548.0
|
Ebrill 2010
|
172397.0
|
Mai 2010
|
175598.0
|
Mehefin 2010
|
174990.0
|
Gorffennaf 2010
|
172812.0
|
Awst 2010
|
177271.0
|
Medi 2010
|
177014.0
|
Hydref 2010
|
177492.0
|
Tachwedd 2010
|
174957.0
|
Rhagfyr 2010
|
177818.0
|
Ionawr 2011
|
174901.0
|
Chwefror 2011
|
175877.0
|
Mawrth 2011
|
177756.0
|
Ebrill 2011
|
177467.0
|
Mai 2011
|
179103.0
|
Mehefin 2011
|
175346.0
|
Gorffennaf 2011
|
179381.0
|
Awst 2011
|
177688.0
|
Medi 2011
|
176253.0
|
Hydref 2011
|
176213.0
|
Tachwedd 2011
|
177847.0
|
Rhagfyr 2011
|
177495.0
|
Ionawr 2012
|
173838.0
|
Chwefror 2012
|
174652.0
|
Mawrth 2012
|
176790.0
|
Ebrill 2012
|
177505.0
|
Mai 2012
|
177480.0
|
Mehefin 2012
|
176600.0
|
Gorffennaf 2012
|
174926.0
|
Awst 2012
|
175087.0
|
Medi 2012
|
176298.0
|
Hydref 2012
|
179294.0
|
Tachwedd 2012
|
181097.0
|
Rhagfyr 2012
|
181101.0
|
Ionawr 2013
|
173898.0
|
Chwefror 2013
|
175582.0
|
Mawrth 2013
|
180070.0
|
Ebrill 2013
|
179464.0
|
Mai 2013
|
181728.0
|
Mehefin 2013
|
180282.0
|
Gorffennaf 2013
|
181722.0
|
Awst 2013
|
182583.0
|
Medi 2013
|
185108.0
|
Hydref 2013
|
186430.0
|
Tachwedd 2013
|
186263.0
|
Rhagfyr 2013
|
190546.0
|
Ionawr 2014
|
187881.0
|
Chwefror 2014
|
191337.0
|
Mawrth 2014
|
191274.0
|
Ebrill 2014
|
194293.0
|
Mai 2014
|
197498.0
|
Mehefin 2014
|
196376.0
|
Gorffennaf 2014
|
196257.0
|
Awst 2014
|
197537.0
|
Medi 2014
|
197457.0
|
Hydref 2014
|
198235.0
|
Tachwedd 2014
|
196862.0
|
Rhagfyr 2014
|
200231.0
|
Ionawr 2015
|
200539.0
|
Chwefror 2015
|
202724.0
|
Mawrth 2015
|
203888.0
|
Ebrill 2015
|
203179.0
|
Mai 2015
|
204686.0
|
Mehefin 2015
|
202356.0
|
Gorffennaf 2015
|
207192.0
|
Awst 2015
|
208315.0
|
Medi 2015
|
207318.0
|
Hydref 2015
|
210933.0
|
Tachwedd 2015
|
211804.0
|
Rhagfyr 2015
|
217587.0
|
Ionawr 2016
|
213876.0
|
Chwefror 2016
|
210391.0
|
Mawrth 2016
|
208100.0
|
Ebrill 2016
|
223987.0
|
Mai 2016
|
228585.0
|
Mehefin 2016
|
222990.0
|
Gorffennaf 2016
|
224562.0
|
Awst 2016
|
224554.0
|
Medi 2016
|
226462.0
|
Hydref 2016
|
229719.0
|
Tachwedd 2016
|
231253.0
|
Rhagfyr 2016
|
231961.0
|
Ionawr 2017
|
235341.0
|
Chwefror 2017
|
233857.0
|
Mawrth 2017
|
235450.0
|
Ebrill 2017
|
236892.0
|
Mai 2017
|
238215.0
|
Mehefin 2017
|
237106.0
|
Gorffennaf 2017
|
242175.0
|
Awst 2017
|
240172.0
|
Medi 2017
|
244491.0
|
Hydref 2017
|
246412.0
|
Tachwedd 2017
|
242781.0
|
Rhagfyr 2017
|
245450.0
|
Ionawr 2018
|
250815.0
|
Chwefror 2018
|
262263.0
|
Mawrth 2018
|
250965.0
|
Ebrill 2018
|
255758.0
|
Mai 2018
|
251776.0
|
Mehefin 2018
|
253701.0
|
Gorffennaf 2018
|
256089.0
|
Awst 2018
|
259426.0
|
Medi 2018
|
259365.0
|
Hydref 2018
|
261446.0
|
Tachwedd 2018
|
254888.0
|
Rhagfyr 2018
|
257179.0
|
Ionawr 2019
|
258392.0
|
Chwefror 2019
|
266073.0
|
Mawrth 2019
|
259091.0
|
Ebrill 2019
|
260955.0
|
Mai 2019
|
257594.0
|
Mehefin 2019
|
254643.0
|
Gorffennaf 2019
|
265821.0
|
Awst 2019
|
262031.0
|
Medi 2019
|
264268.0
|
Hydref 2019
|
263510.0
|
Tachwedd 2019
|
254417.0
|
Rhagfyr 2019
|
254781.0
|
Ionawr 2020
|
270536.0
|
Chwefror 2020
|
257544.0
|
Mawrth 2020
|
266458.0
|
Ebrill 2020
|
274347.0
|
Mai 2020
|
269657.0
|
Mehefin 2020
|
261176.0
|
Gorffennaf 2020
|
272146.0
|
Awst 2020
|
271633.0
|
Medi 2020
|
271095.0
|
Hydref 2020
|
270970.0
|
Tachwedd 2020
|
270125.0
|
Rhagfyr 2020
|
274279.0
|
Ionawr 2021
|
269491.0
|
Chwefror 2021
|
275050.0
|
Mawrth 2021
|
278824.0
|
Ebrill 2021
|
279199.0
|
Mai 2021
|
274860.0
|
Mehefin 2021
|
280523.0
|
Gorffennaf 2021
|
282550.0
|
Awst 2021
|
275668.0
|
Medi 2021
|
284504.0
|
Hydref 2021
|
280244.0
|
Tachwedd 2021
|
288362.0
|
Rhagfyr 2021
|
282693.0
|
Ionawr 2022
|
288899.0
|
Chwefror 2022
|
297069.0
|
Mawrth 2022
|
300494.0
|
Ebrill 2022
|
297893.0
|
Mai 2022
|
299108.0
|
Mehefin 2022
|
303749.0
|
Gorffennaf 2022
|
308904.0
|
Awst 2022
|
312554.0
|
Medi 2022
|
312862.0
|
Hydref 2022
|
310936.0
|
Tachwedd 2022
|
320592.0
|
Rhagfyr 2022
|
313063.0
|
Ionawr 2023
|
315757.0
|
Chwefror 2023
|
323307.0
|
Mawrth 2023
|
320658.0
|
Ebrill 2023
|
319006.0
|
Mai 2023
|
316100.0
|
Mehefin 2023
|
313036.0
|
Gorffennaf 2023
|
314896.0
|
Dyddiad
|
Adeilad newydd
|
Mawrth 2002
|
20.0
|
Ebrill 2002
|
19.1
|
Mai 2002
|
20.8
|
Mehefin 2002
|
20.9
|
Gorffennaf 2002
|
24.2
|
Awst 2002
|
24.9
|
Medi 2002
|
21.7
|
Hydref 2002
|
25.0
|
Tachwedd 2002
|
27.5
|
Rhagfyr 2002
|
24.9
|
Ionawr 2003
|
26.0
|
Chwefror 2003
|
27.2
|
Mawrth 2003
|
26.6
|
Ebrill 2003
|
28.6
|
Mai 2003
|
28.8
|
Mehefin 2003
|
26.8
|
Gorffennaf 2003
|
24.9
|
Awst 2003
|
22.4
|
Medi 2003
|
23.1
|
Hydref 2003
|
20.8
|
Tachwedd 2003
|
19.4
|
Rhagfyr 2003
|
18.2
|
Ionawr 2004
|
19.6
|
Chwefror 2004
|
17.2
|
Mawrth 2004
|
17.5
|
Ebrill 2004
|
13.6
|
Mai 2004
|
16.1
|
Mehefin 2004
|
18.5
|
Gorffennaf 2004
|
14.1
|
Awst 2004
|
15.8
|
Medi 2004
|
18.0
|
Hydref 2004
|
15.9
|
Tachwedd 2004
|
17.2
|
Rhagfyr 2004
|
18.3
|
Ionawr 2005
|
14.7
|
Chwefror 2005
|
15.2
|
Mawrth 2005
|
15.4
|
Ebrill 2005
|
16.1
|
Mai 2005
|
12.7
|
Mehefin 2005
|
8.2
|
Gorffennaf 2005
|
11.6
|
Awst 2005
|
9.6
|
Medi 2005
|
7.1
|
Hydref 2005
|
8.6
|
Tachwedd 2005
|
6.7
|
Rhagfyr 2005
|
6.1
|
Ionawr 2006
|
4.3
|
Chwefror 2006
|
3.9
|
Mawrth 2006
|
3.6
|
Ebrill 2006
|
4.9
|
Mai 2006
|
3.6
|
Mehefin 2006
|
4.8
|
Gorffennaf 2006
|
4.8
|
Awst 2006
|
2.9
|
Medi 2006
|
4.2
|
Hydref 2006
|
3.2
|
Tachwedd 2006
|
1.7
|
Rhagfyr 2006
|
4.2
|
Ionawr 2007
|
6.1
|
Chwefror 2007
|
4.6
|
Mawrth 2007
|
4.3
|
Ebrill 2007
|
2.2
|
Mai 2007
|
5.2
|
Mehefin 2007
|
4.5
|
Gorffennaf 2007
|
5.5
|
Awst 2007
|
4.4
|
Medi 2007
|
5.6
|
Hydref 2007
|
3.9
|
Tachwedd 2007
|
4.7
|
Rhagfyr 2007
|
2.9
|
Ionawr 2008
|
1.1
|
Chwefror 2008
|
3.1
|
Mawrth 2008
|
1.9
|
Ebrill 2008
|
1.8
|
Mai 2008
|
-0.9
|
Mehefin 2008
|
-1.8
|
Gorffennaf 2008
|
-4.6
|
Awst 2008
|
-6.9
|
Medi 2008
|
-10.0
|
Hydref 2008
|
-10.5
|
Tachwedd 2008
|
-13.1
|
Rhagfyr 2008
|
-14.9
|
Ionawr 2009
|
-14.2
|
Chwefror 2009
|
-16.8
|
Mawrth 2009
|
-14.2
|
Ebrill 2009
|
-14.9
|
Mai 2009
|
-16.2
|
Mehefin 2009
|
-14.0
|
Gorffennaf 2009
|
-12.4
|
Awst 2009
|
-8.7
|
Medi 2009
|
-5.3
|
Hydref 2009
|
-3.3
|
Tachwedd 2009
|
-0.4
|
Rhagfyr 2009
|
2.4
|
Ionawr 2010
|
-3.2
|
Chwefror 2010
|
4.8
|
Mawrth 2010
|
2.9
|
Ebrill 2010
|
1.8
|
Mai 2010
|
5.8
|
Mehefin 2010
|
4.2
|
Gorffennaf 2010
|
1.9
|
Awst 2010
|
4.7
|
Medi 2010
|
2.8
|
Hydref 2010
|
2.5
|
Tachwedd 2010
|
1.1
|
Rhagfyr 2010
|
1.6
|
Ionawr 2011
|
7.0
|
Chwefror 2011
|
0.0
|
Mawrth 2011
|
1.8
|
Ebrill 2011
|
2.9
|
Mai 2011
|
2.0
|
Mehefin 2011
|
0.2
|
Gorffennaf 2011
|
3.8
|
Awst 2011
|
0.2
|
Medi 2011
|
-0.4
|
Hydref 2011
|
-0.7
|
Tachwedd 2011
|
1.6
|
Rhagfyr 2011
|
-0.2
|
Ionawr 2012
|
-0.6
|
Chwefror 2012
|
-0.7
|
Mawrth 2012
|
-0.5
|
Ebrill 2012
|
0.0
|
Mai 2012
|
-0.9
|
Mehefin 2012
|
0.7
|
Gorffennaf 2012
|
-2.5
|
Awst 2012
|
-1.5
|
Medi 2012
|
0.0
|
Hydref 2012
|
1.8
|
Tachwedd 2012
|
1.8
|
Rhagfyr 2012
|
2.0
|
Ionawr 2013
|
0.0
|
Chwefror 2013
|
0.5
|
Mawrth 2013
|
1.8
|
Ebrill 2013
|
1.1
|
Mai 2013
|
2.4
|
Mehefin 2013
|
2.1
|
Gorffennaf 2013
|
3.9
|
Awst 2013
|
4.3
|
Medi 2013
|
5.0
|
Hydref 2013
|
4.0
|
Tachwedd 2013
|
2.8
|
Rhagfyr 2013
|
5.2
|
Ionawr 2014
|
8.0
|
Chwefror 2014
|
9.0
|
Mawrth 2014
|
6.2
|
Ebrill 2014
|
8.3
|
Mai 2014
|
8.7
|
Mehefin 2014
|
8.9
|
Gorffennaf 2014
|
8.0
|
Awst 2014
|
8.2
|
Medi 2014
|
6.7
|
Hydref 2014
|
6.3
|
Tachwedd 2014
|
5.7
|
Rhagfyr 2014
|
5.1
|
Ionawr 2015
|
6.7
|
Chwefror 2015
|
6.0
|
Mawrth 2015
|
6.6
|
Ebrill 2015
|
4.6
|
Mai 2015
|
3.6
|
Mehefin 2015
|
3.0
|
Gorffennaf 2015
|
5.6
|
Awst 2015
|
5.5
|
Medi 2015
|
5.0
|
Hydref 2015
|
6.4
|
Tachwedd 2015
|
7.6
|
Rhagfyr 2015
|
8.7
|
Ionawr 2016
|
6.6
|
Chwefror 2016
|
3.8
|
Mawrth 2016
|
2.1
|
Ebrill 2016
|
10.2
|
Mai 2016
|
11.7
|
Mehefin 2016
|
10.2
|
Gorffennaf 2016
|
8.4
|
Awst 2016
|
7.8
|
Medi 2016
|
9.2
|
Hydref 2016
|
8.9
|
Tachwedd 2016
|
9.2
|
Rhagfyr 2016
|
6.6
|
Ionawr 2017
|
10.0
|
Chwefror 2017
|
11.2
|
Mawrth 2017
|
13.1
|
Ebrill 2017
|
5.8
|
Mai 2017
|
4.2
|
Mehefin 2017
|
6.3
|
Gorffennaf 2017
|
7.8
|
Awst 2017
|
7.0
|
Medi 2017
|
8.0
|
Hydref 2017
|
7.3
|
Tachwedd 2017
|
5.0
|
Rhagfyr 2017
|
5.8
|
Ionawr 2018
|
6.6
|
Chwefror 2018
|
12.2
|
Mawrth 2018
|
6.6
|
Ebrill 2018
|
8.0
|
Mai 2018
|
5.7
|
Mehefin 2018
|
7.0
|
Gorffennaf 2018
|
5.8
|
Awst 2018
|
8.0
|
Medi 2018
|
6.1
|
Hydref 2018
|
6.1
|
Tachwedd 2018
|
5.0
|
Rhagfyr 2018
|
4.8
|
Ionawr 2019
|
3.0
|
Chwefror 2019
|
1.4
|
Mawrth 2019
|
3.2
|
Ebrill 2019
|
2.0
|
Mai 2019
|
2.3
|
Mehefin 2019
|
0.4
|
Gorffennaf 2019
|
3.8
|
Awst 2019
|
1.0
|
Medi 2019
|
1.9
|
Hydref 2019
|
0.8
|
Tachwedd 2019
|
-0.2
|
Rhagfyr 2019
|
-0.9
|
Ionawr 2020
|
4.7
|
Chwefror 2020
|
-3.2
|
Mawrth 2020
|
2.8
|
Ebrill 2020
|
5.1
|
Mai 2020
|
4.7
|
Mehefin 2020
|
2.6
|
Gorffennaf 2020
|
2.4
|
Awst 2020
|
3.7
|
Medi 2020
|
2.6
|
Hydref 2020
|
2.8
|
Tachwedd 2020
|
6.2
|
Rhagfyr 2020
|
7.6
|
Ionawr 2021
|
-0.4
|
Chwefror 2021
|
6.8
|
Mawrth 2021
|
4.6
|
Ebrill 2021
|
1.8
|
Mai 2021
|
1.9
|
Mehefin 2021
|
7.4
|
Gorffennaf 2021
|
3.8
|
Awst 2021
|
1.5
|
Medi 2021
|
4.9
|
Hydref 2021
|
3.4
|
Tachwedd 2021
|
6.8
|
Rhagfyr 2021
|
3.1
|
Ionawr 2022
|
7.2
|
Chwefror 2022
|
8.0
|
Mawrth 2022
|
7.8
|
Ebrill 2022
|
6.7
|
Mai 2022
|
8.8
|
Mehefin 2022
|
8.3
|
Gorffennaf 2022
|
9.3
|
Awst 2022
|
13.4
|
Medi 2022
|
10.0
|
Hydref 2022
|
11.0
|
Tachwedd 2022
|
11.2
|
Rhagfyr 2022
|
10.7
|
Ionawr 2023
|
9.3
|
Chwefror 2023
|
8.8
|
Mawrth 2023
|
6.7
|
Ebrill 2023
|
7.1
|
Mai 2023
|
5.7
|
Mehefin 2023
|
3.1
|
Gorffennaf 2023
|
1.9
|
Dyddiad
|
Adeilad newydd
|
Mawrth 2002
|
0.0
|
Ebrill 2002
|
2.7
|
Mai 2002
|
1.1
|
Mehefin 2002
|
2.8
|
Gorffennaf 2002
|
3.3
|
Awst 2002
|
3.4
|
Medi 2002
|
-1.2
|
Hydref 2002
|
4.0
|
Tachwedd 2002
|
2.3
|
Rhagfyr 2002
|
0.8
|
Ionawr 2003
|
1.4
|
Chwefror 2003
|
3.8
|
Mawrth 2003
|
-0.5
|
Ebrill 2003
|
4.4
|
Mai 2003
|
1.3
|
Mehefin 2003
|
1.2
|
Gorffennaf 2003
|
1.8
|
Awst 2003
|
1.4
|
Medi 2003
|
-0.6
|
Hydref 2003
|
2.0
|
Tachwedd 2003
|
1.2
|
Rhagfyr 2003
|
-0.3
|
Ionawr 2004
|
2.6
|
Chwefror 2004
|
1.8
|
Mawrth 2004
|
-0.2
|
Ebrill 2004
|
0.9
|
Mai 2004
|
3.5
|
Mehefin 2004
|
3.3
|
Gorffennaf 2004
|
-2.0
|
Awst 2004
|
2.9
|
Medi 2004
|
1.3
|
Hydref 2004
|
0.2
|
Tachwedd 2004
|
2.3
|
Rhagfyr 2004
|
0.6
|
Ionawr 2005
|
-0.5
|
Chwefror 2005
|
2.2
|
Mawrth 2005
|
-0.1
|
Ebrill 2005
|
1.4
|
Mai 2005
|
0.5
|
Mehefin 2005
|
-0.9
|
Gorffennaf 2005
|
1.1
|
Awst 2005
|
1.0
|
Medi 2005
|
-1.0
|
Hydref 2005
|
1.6
|
Tachwedd 2005
|
0.6
|
Rhagfyr 2005
|
-0.0
|
Ionawr 2006
|
-2.2
|
Chwefror 2006
|
1.9
|
Mawrth 2006
|
-0.4
|
Ebrill 2006
|
2.7
|
Mai 2006
|
-0.8
|
Mehefin 2006
|
0.3
|
Gorffennaf 2006
|
1.1
|
Awst 2006
|
-0.8
|
Medi 2006
|
0.2
|
Hydref 2006
|
0.6
|
Tachwedd 2006
|
-0.8
|
Rhagfyr 2006
|
2.3
|
Ionawr 2007
|
-0.4
|
Chwefror 2007
|
0.4
|
Mawrth 2007
|
-0.7
|
Ebrill 2007
|
0.7
|
Mai 2007
|
2.2
|
Mehefin 2007
|
-0.4
|
Gorffennaf 2007
|
2.0
|
Awst 2007
|
-1.8
|
Medi 2007
|
1.4
|
Hydref 2007
|
-1.0
|
Tachwedd 2007
|
-0.0
|
Rhagfyr 2007
|
0.5
|
Ionawr 2008
|
-2.1
|
Chwefror 2008
|
2.4
|
Mawrth 2008
|
-1.9
|
Ebrill 2008
|
0.6
|
Mai 2008
|
-0.5
|
Mehefin 2008
|
-1.3
|
Gorffennaf 2008
|
-0.8
|
Awst 2008
|
-4.3
|
Medi 2008
|
-2.0
|
Hydref 2008
|
-1.5
|
Tachwedd 2008
|
-2.9
|
Rhagfyr 2008
|
-1.6
|
Ionawr 2009
|
-1.2
|
Chwefror 2009
|
-0.7
|
Mawrth 2009
|
1.1
|
Ebrill 2009
|
-0.2
|
Mai 2009
|
-2.0
|
Mehefin 2009
|
1.2
|
Gorffennaf 2009
|
1.0
|
Awst 2009
|
-0.2
|
Medi 2009
|
1.7
|
Hydref 2009
|
0.6
|
Tachwedd 2009
|
-0.0
|
Rhagfyr 2009
|
1.2
|
Ionawr 2010
|
-6.7
|
Chwefror 2010
|
7.6
|
Mawrth 2010
|
-0.7
|
Ebrill 2010
|
-1.2
|
Mai 2010
|
1.9
|
Mehefin 2010
|
-0.4
|
Gorffennaf 2010
|
-1.2
|
Awst 2010
|
2.6
|
Medi 2010
|
-0.1
|
Hydref 2010
|
0.3
|
Tachwedd 2010
|
-1.4
|
Rhagfyr 2010
|
1.6
|
Ionawr 2011
|
-1.6
|
Chwefror 2011
|
0.6
|
Mawrth 2011
|
1.1
|
Ebrill 2011
|
-0.2
|
Mai 2011
|
0.9
|
Mehefin 2011
|
-2.1
|
Gorffennaf 2011
|
2.3
|
Awst 2011
|
-0.9
|
Medi 2011
|
-0.8
|
Hydref 2011
|
-0.0
|
Tachwedd 2011
|
0.9
|
Rhagfyr 2011
|
-0.2
|
Ionawr 2012
|
-2.1
|
Chwefror 2012
|
0.5
|
Mawrth 2012
|
1.2
|
Ebrill 2012
|
0.4
|
Mai 2012
|
-0.0
|
Mehefin 2012
|
-0.5
|
Gorffennaf 2012
|
-1.0
|
Awst 2012
|
0.1
|
Medi 2012
|
0.7
|
Hydref 2012
|
1.7
|
Tachwedd 2012
|
1.0
|
Rhagfyr 2012
|
0.0
|
Ionawr 2013
|
-4.0
|
Chwefror 2013
|
1.0
|
Mawrth 2013
|
2.6
|
Ebrill 2013
|
-0.3
|
Mai 2013
|
1.3
|
Mehefin 2013
|
-0.8
|
Gorffennaf 2013
|
0.8
|
Awst 2013
|
0.5
|
Medi 2013
|
1.4
|
Hydref 2013
|
0.7
|
Tachwedd 2013
|
-0.1
|
Rhagfyr 2013
|
2.3
|
Ionawr 2014
|
-1.4
|
Chwefror 2014
|
1.8
|
Mawrth 2014
|
-0.0
|
Ebrill 2014
|
1.6
|
Mai 2014
|
1.6
|
Mehefin 2014
|
-0.6
|
Gorffennaf 2014
|
-0.1
|
Awst 2014
|
0.6
|
Medi 2014
|
-0.0
|
Hydref 2014
|
0.4
|
Tachwedd 2014
|
-0.7
|
Rhagfyr 2014
|
1.7
|
Ionawr 2015
|
0.2
|
Chwefror 2015
|
1.1
|
Mawrth 2015
|
0.6
|
Ebrill 2015
|
-0.4
|
Mai 2015
|
0.7
|
Mehefin 2015
|
-1.1
|
Gorffennaf 2015
|
2.4
|
Awst 2015
|
0.5
|
Medi 2015
|
-0.5
|
Hydref 2015
|
1.7
|
Tachwedd 2015
|
0.4
|
Rhagfyr 2015
|
2.7
|
Ionawr 2016
|
-1.7
|
Chwefror 2016
|
-1.6
|
Mawrth 2016
|
-1.1
|
Ebrill 2016
|
7.6
|
Mai 2016
|
2.0
|
Mehefin 2016
|
-2.4
|
Gorffennaf 2016
|
0.7
|
Awst 2016
|
0.0
|
Medi 2016
|
0.8
|
Hydref 2016
|
1.4
|
Tachwedd 2016
|
0.7
|
Rhagfyr 2016
|
0.3
|
Ionawr 2017
|
1.5
|
Chwefror 2017
|
-0.6
|
Mawrth 2017
|
0.7
|
Ebrill 2017
|
0.6
|
Mai 2017
|
0.6
|
Mehefin 2017
|
-0.5
|
Gorffennaf 2017
|
2.1
|
Awst 2017
|
-0.8
|
Medi 2017
|
1.8
|
Hydref 2017
|
0.8
|
Tachwedd 2017
|
-1.5
|
Rhagfyr 2017
|
1.1
|
Ionawr 2018
|
2.2
|
Chwefror 2018
|
4.6
|
Mawrth 2018
|
-4.3
|
Ebrill 2018
|
1.9
|
Mai 2018
|
-1.6
|
Mehefin 2018
|
0.8
|
Gorffennaf 2018
|
0.9
|
Awst 2018
|
1.3
|
Medi 2018
|
-0.0
|
Hydref 2018
|
0.8
|
Tachwedd 2018
|
-2.5
|
Rhagfyr 2018
|
0.9
|
Ionawr 2019
|
0.5
|
Chwefror 2019
|
3.0
|
Mawrth 2019
|
-2.6
|
Ebrill 2019
|
0.7
|
Mai 2019
|
-1.3
|
Mehefin 2019
|
-1.2
|
Gorffennaf 2019
|
4.4
|
Awst 2019
|
-1.4
|
Medi 2019
|
0.8
|
Hydref 2019
|
-0.3
|
Tachwedd 2019
|
-3.4
|
Rhagfyr 2019
|
0.1
|
Ionawr 2020
|
6.2
|
Chwefror 2020
|
-4.8
|
Mawrth 2020
|
3.5
|
Ebrill 2020
|
3.0
|
Mai 2020
|
-1.7
|
Mehefin 2020
|
-3.2
|
Gorffennaf 2020
|
4.2
|
Awst 2020
|
-0.2
|
Medi 2020
|
-0.2
|
Hydref 2020
|
-0.1
|
Tachwedd 2020
|
-0.3
|
Rhagfyr 2020
|
1.5
|
Ionawr 2021
|
-1.7
|
Chwefror 2021
|
2.1
|
Mawrth 2021
|
1.4
|
Ebrill 2021
|
0.1
|
Mai 2021
|
-1.6
|
Mehefin 2021
|
2.1
|
Gorffennaf 2021
|
0.7
|
Awst 2021
|
-2.4
|
Medi 2021
|
3.2
|
Hydref 2021
|
-1.5
|
Tachwedd 2021
|
2.9
|
Rhagfyr 2021
|
-2.0
|
Ionawr 2022
|
2.2
|
Chwefror 2022
|
2.8
|
Mawrth 2022
|
1.2
|
Ebrill 2022
|
-0.9
|
Mai 2022
|
0.4
|
Mehefin 2022
|
1.6
|
Gorffennaf 2022
|
1.7
|
Awst 2022
|
1.2
|
Medi 2022
|
0.1
|
Hydref 2022
|
-0.6
|
Tachwedd 2022
|
3.1
|
Rhagfyr 2022
|
-2.3
|
Ionawr 2023
|
0.9
|
Chwefror 2023
|
2.4
|
Mawrth 2023
|
-0.8
|
Ebrill 2023
|
-0.5
|
Mai 2023
|
-0.9
|
Mehefin 2023
|
-1.0
|
Gorffennaf 2023
|
0.6
|
Dyddiad
|
Adeilad newydd
|
Mawrth 2002
|
52.2
|
Ebrill 2002
|
53.6
|
Mai 2002
|
54.2
|
Mehefin 2002
|
55.8
|
Gorffennaf 2002
|
57.6
|
Awst 2002
|
59.6
|
Medi 2002
|
58.9
|
Hydref 2002
|
61.2
|
Tachwedd 2002
|
62.6
|
Rhagfyr 2002
|
63.1
|
Ionawr 2003
|
64.0
|
Chwefror 2003
|
66.4
|
Mawrth 2003
|
66.1
|
Ebrill 2003
|
69.0
|
Mai 2003
|
69.8
|
Mehefin 2003
|
70.7
|
Gorffennaf 2003
|
71.9
|
Awst 2003
|
72.9
|
Medi 2003
|
72.5
|
Hydref 2003
|
73.9
|
Tachwedd 2003
|
74.8
|
Rhagfyr 2003
|
74.6
|
Ionawr 2004
|
76.5
|
Chwefror 2004
|
77.8
|
Mawrth 2004
|
77.7
|
Ebrill 2004
|
78.4
|
Mai 2004
|
81.1
|
Mehefin 2004
|
83.7
|
Gorffennaf 2004
|
82.0
|
Awst 2004
|
84.4
|
Medi 2004
|
85.5
|
Hydref 2004
|
85.7
|
Tachwedd 2004
|
87.7
|
Rhagfyr 2004
|
88.2
|
Ionawr 2005
|
87.7
|
Chwefror 2005
|
89.7
|
Mawrth 2005
|
89.6
|
Ebrill 2005
|
90.9
|
Mai 2005
|
91.4
|
Mehefin 2005
|
90.6
|
Gorffennaf 2005
|
91.6
|
Awst 2005
|
92.5
|
Medi 2005
|
91.6
|
Hydref 2005
|
93.0
|
Tachwedd 2005
|
93.6
|
Rhagfyr 2005
|
93.6
|
Ionawr 2006
|
91.5
|
Chwefror 2006
|
93.2
|
Mawrth 2006
|
92.9
|
Ebrill 2006
|
95.4
|
Mai 2006
|
94.6
|
Mehefin 2006
|
94.9
|
Gorffennaf 2006
|
95.9
|
Awst 2006
|
95.2
|
Medi 2006
|
95.4
|
Hydref 2006
|
96.0
|
Tachwedd 2006
|
95.2
|
Rhagfyr 2006
|
97.5
|
Ionawr 2007
|
97.1
|
Chwefror 2007
|
97.5
|
Mawrth 2007
|
96.8
|
Ebrill 2007
|
97.5
|
Mai 2007
|
99.6
|
Mehefin 2007
|
99.2
|
Gorffennaf 2007
|
101.2
|
Awst 2007
|
99.4
|
Medi 2007
|
100.7
|
Hydref 2007
|
99.8
|
Tachwedd 2007
|
99.7
|
Rhagfyr 2007
|
100.3
|
Ionawr 2008
|
98.2
|
Chwefror 2008
|
100.6
|
Mawrth 2008
|
98.6
|
Ebrill 2008
|
99.2
|
Mai 2008
|
98.7
|
Mehefin 2008
|
97.4
|
Gorffennaf 2008
|
96.6
|
Awst 2008
|
92.5
|
Medi 2008
|
90.6
|
Hydref 2008
|
89.3
|
Tachwedd 2008
|
86.7
|
Rhagfyr 2008
|
85.3
|
Ionawr 2009
|
84.2
|
Chwefror 2009
|
83.7
|
Mawrth 2009
|
84.6
|
Ebrill 2009
|
84.4
|
Mai 2009
|
82.7
|
Mehefin 2009
|
83.8
|
Gorffennaf 2009
|
84.6
|
Awst 2009
|
84.4
|
Medi 2009
|
85.8
|
Hydref 2009
|
86.3
|
Tachwedd 2009
|
86.3
|
Rhagfyr 2009
|
87.3
|
Ionawr 2010
|
81.5
|
Chwefror 2010
|
87.7
|
Mawrth 2010
|
87.0
|
Ebrill 2010
|
86.0
|
Mai 2010
|
87.6
|
Mehefin 2010
|
87.3
|
Gorffennaf 2010
|
86.2
|
Awst 2010
|
88.4
|
Medi 2010
|
88.3
|
Hydref 2010
|
88.5
|
Tachwedd 2010
|
87.2
|
Rhagfyr 2010
|
88.7
|
Ionawr 2011
|
87.2
|
Chwefror 2011
|
87.7
|
Mawrth 2011
|
88.6
|
Ebrill 2011
|
88.5
|
Mai 2011
|
89.3
|
Mehefin 2011
|
87.4
|
Gorffennaf 2011
|
89.4
|
Awst 2011
|
88.6
|
Medi 2011
|
87.9
|
Hydref 2011
|
87.9
|
Tachwedd 2011
|
88.7
|
Rhagfyr 2011
|
88.5
|
Ionawr 2012
|
86.7
|
Chwefror 2012
|
87.1
|
Mawrth 2012
|
88.2
|
Ebrill 2012
|
88.5
|
Mai 2012
|
88.5
|
Mehefin 2012
|
88.1
|
Gorffennaf 2012
|
87.2
|
Awst 2012
|
87.3
|
Medi 2012
|
87.9
|
Hydref 2012
|
89.4
|
Tachwedd 2012
|
90.3
|
Rhagfyr 2012
|
90.3
|
Ionawr 2013
|
86.7
|
Chwefror 2013
|
87.6
|
Mawrth 2013
|
89.8
|
Ebrill 2013
|
89.5
|
Mai 2013
|
90.6
|
Mehefin 2013
|
89.9
|
Gorffennaf 2013
|
90.6
|
Awst 2013
|
91.0
|
Medi 2013
|
92.3
|
Hydref 2013
|
93.0
|
Tachwedd 2013
|
92.9
|
Rhagfyr 2013
|
95.0
|
Ionawr 2014
|
93.7
|
Chwefror 2014
|
95.4
|
Mawrth 2014
|
95.4
|
Ebrill 2014
|
96.9
|
Mai 2014
|
98.5
|
Mehefin 2014
|
97.9
|
Gorffennaf 2014
|
97.9
|
Awst 2014
|
98.5
|
Medi 2014
|
98.5
|
Hydref 2014
|
98.8
|
Tachwedd 2014
|
98.2
|
Rhagfyr 2014
|
99.8
|
Ionawr 2015
|
100.0
|
Chwefror 2015
|
101.1
|
Mawrth 2015
|
101.7
|
Ebrill 2015
|
101.3
|
Mai 2015
|
102.1
|
Mehefin 2015
|
100.9
|
Gorffennaf 2015
|
103.3
|
Awst 2015
|
103.9
|
Medi 2015
|
103.4
|
Hydref 2015
|
105.2
|
Tachwedd 2015
|
105.6
|
Rhagfyr 2015
|
108.5
|
Ionawr 2016
|
106.6
|
Chwefror 2016
|
104.9
|
Mawrth 2016
|
103.8
|
Ebrill 2016
|
111.7
|
Mai 2016
|
114.0
|
Mehefin 2016
|
111.2
|
Gorffennaf 2016
|
112.0
|
Awst 2016
|
112.0
|
Medi 2016
|
112.9
|
Hydref 2016
|
114.6
|
Tachwedd 2016
|
115.3
|
Rhagfyr 2016
|
115.7
|
Ionawr 2017
|
117.4
|
Chwefror 2017
|
116.6
|
Mawrth 2017
|
117.4
|
Ebrill 2017
|
118.1
|
Mai 2017
|
118.8
|
Mehefin 2017
|
118.2
|
Gorffennaf 2017
|
120.8
|
Awst 2017
|
119.8
|
Medi 2017
|
121.9
|
Hydref 2017
|
122.9
|
Tachwedd 2017
|
121.1
|
Rhagfyr 2017
|
122.4
|
Ionawr 2018
|
125.1
|
Chwefror 2018
|
130.8
|
Mawrth 2018
|
125.2
|
Ebrill 2018
|
127.5
|
Mai 2018
|
125.6
|
Mehefin 2018
|
126.5
|
Gorffennaf 2018
|
127.7
|
Awst 2018
|
129.4
|
Medi 2018
|
129.3
|
Hydref 2018
|
130.4
|
Tachwedd 2018
|
127.1
|
Rhagfyr 2018
|
128.2
|
Ionawr 2019
|
128.8
|
Chwefror 2019
|
132.7
|
Mawrth 2019
|
129.2
|
Ebrill 2019
|
130.1
|
Mai 2019
|
128.4
|
Mehefin 2019
|
127.0
|
Gorffennaf 2019
|
132.6
|
Awst 2019
|
130.7
|
Medi 2019
|
131.8
|
Hydref 2019
|
131.4
|
Tachwedd 2019
|
126.9
|
Rhagfyr 2019
|
127.0
|
Ionawr 2020
|
134.9
|
Chwefror 2020
|
128.4
|
Mawrth 2020
|
132.9
|
Ebrill 2020
|
136.8
|
Mai 2020
|
134.5
|
Mehefin 2020
|
130.2
|
Gorffennaf 2020
|
135.7
|
Awst 2020
|
135.4
|
Medi 2020
|
135.2
|
Hydref 2020
|
135.1
|
Tachwedd 2020
|
134.7
|
Rhagfyr 2020
|
136.8
|
Ionawr 2021
|
134.4
|
Chwefror 2021
|
137.2
|
Mawrth 2021
|
139.0
|
Ebrill 2021
|
139.2
|
Mai 2021
|
137.1
|
Mehefin 2021
|
139.9
|
Gorffennaf 2021
|
140.9
|
Awst 2021
|
137.5
|
Medi 2021
|
141.9
|
Hydref 2021
|
139.7
|
Tachwedd 2021
|
143.8
|
Rhagfyr 2021
|
141.0
|
Ionawr 2022
|
144.1
|
Chwefror 2022
|
148.1
|
Mawrth 2022
|
149.8
|
Ebrill 2022
|
148.5
|
Mai 2022
|
149.2
|
Mehefin 2022
|
151.5
|
Gorffennaf 2022
|
154.0
|
Awst 2022
|
155.9
|
Medi 2022
|
156.0
|
Hydref 2022
|
155.1
|
Tachwedd 2022
|
159.9
|
Rhagfyr 2022
|
156.1
|
Ionawr 2023
|
157.5
|
Chwefror 2023
|
161.2
|
Mawrth 2023
|
159.9
|
Ebrill 2023
|
159.1
|
Mai 2023
|
157.6
|
Mehefin 2023
|
156.1
|
Gorffennaf 2023
|
157.0
|