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 teras
|
Mehefin 1998
|
64637.0
|
49789.0
|
Gorffennaf 1998
|
65475.0
|
50454.0
|
Awst 1998
|
65743.0
|
50593.0
|
Medi 1998
|
65606.0
|
50424.0
|
Hydref 1998
|
65462.0
|
50064.0
|
Tachwedd 1998
|
65365.0
|
49847.0
|
Rhagfyr 1998
|
65575.0
|
50311.0
|
Ionawr 1999
|
65766.0
|
50219.0
|
Chwefror 1999
|
65522.0
|
50009.0
|
Mawrth 1999
|
66378.0
|
50741.0
|
Ebrill 1999
|
67648.0
|
52205.0
|
Mai 1999
|
68402.0
|
52633.0
|
Mehefin 1999
|
69428.0
|
53385.0
|
Gorffennaf 1999
|
70612.0
|
54322.0
|
Awst 1999
|
71699.0
|
55139.0
|
Medi 1999
|
72816.0
|
55691.0
|
Hydref 1999
|
73273.0
|
55731.0
|
Tachwedd 1999
|
74234.0
|
56783.0
|
Rhagfyr 1999
|
75071.0
|
57467.0
|
Ionawr 2000
|
75219.0
|
57149.0
|
Chwefror 2000
|
75630.0
|
57670.0
|
Mawrth 2000
|
77016.0
|
58815.0
|
Ebrill 2000
|
79635.0
|
60751.0
|
Mai 2000
|
80348.0
|
61074.0
|
Mehefin 2000
|
81269.0
|
61741.0
|
Gorffennaf 2000
|
82563.0
|
62321.0
|
Awst 2000
|
83504.0
|
62683.0
|
Medi 2000
|
83590.0
|
62940.0
|
Hydref 2000
|
83261.0
|
62349.0
|
Tachwedd 2000
|
83546.0
|
62457.0
|
Rhagfyr 2000
|
84191.0
|
63274.0
|
Ionawr 2001
|
84377.0
|
63511.0
|
Chwefror 2001
|
84245.0
|
63413.0
|
Mawrth 2001
|
85242.0
|
64204.0
|
Ebrill 2001
|
87439.0
|
66069.0
|
Mai 2001
|
88719.0
|
67082.0
|
Mehefin 2001
|
89980.0
|
67943.0
|
Gorffennaf 2001
|
91430.0
|
68904.0
|
Awst 2001
|
93331.0
|
70368.0
|
Medi 2001
|
93682.0
|
70501.0
|
Hydref 2001
|
94161.0
|
70661.0
|
Tachwedd 2001
|
95083.0
|
71251.0
|
Rhagfyr 2001
|
95992.0
|
71754.0
|
Ionawr 2002
|
96215.0
|
71799.0
|
Chwefror 2002
|
96676.0
|
72696.0
|
Mawrth 2002
|
98962.0
|
74385.0
|
Ebrill 2002
|
101355.0
|
76047.0
|
Mai 2002
|
104458.0
|
78656.0
|
Mehefin 2002
|
106811.0
|
80515.0
|
Gorffennaf 2002
|
110001.0
|
82773.0
|
Awst 2002
|
112832.0
|
85001.0
|
Medi 2002
|
113914.0
|
85388.0
|
Hydref 2002
|
115879.0
|
86679.0
|
Tachwedd 2002
|
118693.0
|
88973.0
|
Rhagfyr 2002
|
119982.0
|
90010.0
|
Ionawr 2003
|
121610.0
|
91562.0
|
Chwefror 2003
|
121754.0
|
91479.0
|
Mawrth 2003
|
123258.0
|
92847.0
|
Ebrill 2003
|
126239.0
|
95116.0
|
Mai 2003
|
128299.0
|
97124.0
|
Mehefin 2003
|
129353.0
|
97918.0
|
Gorffennaf 2003
|
132318.0
|
100438.0
|
Awst 2003
|
133896.0
|
101927.0
|
Medi 2003
|
133848.0
|
102053.0
|
Hydref 2003
|
135885.0
|
103847.0
|
Tachwedd 2003
|
137178.0
|
104768.0
|
Rhagfyr 2003
|
138985.0
|
106983.0
|
Ionawr 2004
|
139719.0
|
107067.0
|
Chwefror 2004
|
140284.0
|
108098.0
|
Mawrth 2004
|
142571.0
|
110381.0
|
Ebrill 2004
|
147250.0
|
115255.0
|
Mai 2004
|
150115.0
|
118023.0
|
Mehefin 2004
|
153527.0
|
120428.0
|
Gorffennaf 2004
|
156730.0
|
123490.0
|
Awst 2004
|
158760.0
|
125051.0
|
Medi 2004
|
159243.0
|
125392.0
|
Hydref 2004
|
159358.0
|
125582.0
|
Tachwedd 2004
|
160330.0
|
126432.0
|
Rhagfyr 2004
|
159886.0
|
126940.0
|
Ionawr 2005
|
158572.0
|
125601.0
|
Chwefror 2005
|
158609.0
|
125414.0
|
Mawrth 2005
|
159642.0
|
126913.0
|
Ebrill 2005
|
161336.0
|
128752.0
|
Mai 2005
|
163064.0
|
130068.0
|
Mehefin 2005
|
164069.0
|
132019.0
|
Gorffennaf 2005
|
165756.0
|
132862.0
|
Awst 2005
|
166440.0
|
133587.0
|
Medi 2005
|
166168.0
|
134114.0
|
Hydref 2005
|
165637.0
|
133326.0
|
Tachwedd 2005
|
166303.0
|
133939.0
|
Rhagfyr 2005
|
167244.0
|
135446.0
|
Ionawr 2006
|
166544.0
|
134525.0
|
Chwefror 2006
|
166896.0
|
134896.0
|
Mawrth 2006
|
168001.0
|
135855.0
|
Ebrill 2006
|
171129.0
|
139027.0
|
Mai 2006
|
172699.0
|
139685.0
|
Mehefin 2006
|
174231.0
|
141794.0
|
Gorffennaf 2006
|
176164.0
|
143808.0
|
Awst 2006
|
177603.0
|
144542.0
|
Medi 2006
|
178275.0
|
144901.0
|
Hydref 2006
|
178927.0
|
145472.0
|
Tachwedd 2006
|
179718.0
|
146257.0
|
Rhagfyr 2006
|
182031.0
|
148932.0
|
Ionawr 2007
|
181824.0
|
148110.0
|
Chwefror 2007
|
182397.0
|
147941.0
|
Mawrth 2007
|
183712.0
|
150160.0
|
Ebrill 2007
|
186711.0
|
153111.0
|
Mai 2007
|
188814.0
|
154245.0
|
Mehefin 2007
|
190822.0
|
156259.0
|
Gorffennaf 2007
|
193360.0
|
158000.0
|
Awst 2007
|
194328.0
|
158996.0
|
Medi 2007
|
194764.0
|
158733.0
|
Hydref 2007
|
194700.0
|
158609.0
|
Tachwedd 2007
|
194502.0
|
158063.0
|
Rhagfyr 2007
|
194373.0
|
158459.0
|
Ionawr 2008
|
191750.0
|
155720.0
|
Chwefror 2008
|
190066.0
|
154361.0
|
Mawrth 2008
|
188657.0
|
153850.0
|
Ebrill 2008
|
189115.0
|
154601.0
|
Mai 2008
|
189777.0
|
154838.0
|
Mehefin 2008
|
187350.0
|
153261.0
|
Gorffennaf 2008
|
185844.0
|
151274.0
|
Awst 2008
|
181494.0
|
147717.0
|
Medi 2008
|
177232.0
|
143757.0
|
Hydref 2008
|
173249.0
|
140503.0
|
Tachwedd 2008
|
168230.0
|
136524.0
|
Rhagfyr 2008
|
165795.0
|
135718.0
|
Ionawr 2009
|
162673.0
|
131417.0
|
Chwefror 2009
|
160956.0
|
130359.0
|
Mawrth 2009
|
159340.0
|
129244.0
|
Ebrill 2009
|
160701.0
|
131043.0
|
Mai 2009
|
162740.0
|
132616.0
|
Mehefin 2009
|
164536.0
|
134445.0
|
Gorffennaf 2009
|
167673.0
|
137119.0
|
Awst 2009
|
169603.0
|
138640.0
|
Medi 2009
|
171214.0
|
139949.0
|
Hydref 2009
|
172314.0
|
140772.0
|
Tachwedd 2009
|
172818.0
|
141655.0
|
Rhagfyr 2009
|
174136.0
|
143754.0
|
Ionawr 2010
|
174458.0
|
142260.0
|
Chwefror 2010
|
175248.0
|
143067.0
|
Mawrth 2010
|
174765.0
|
142263.0
|
Ebrill 2010
|
176796.0
|
144371.0
|
Mai 2010
|
177754.0
|
145141.0
|
Mehefin 2010
|
178655.0
|
146573.0
|
Gorffennaf 2010
|
180519.0
|
147436.0
|
Awst 2010
|
180807.0
|
147014.0
|
Medi 2010
|
180231.0
|
147008.0
|
Hydref 2010
|
178102.0
|
144807.0
|
Tachwedd 2010
|
176301.0
|
142554.0
|
Rhagfyr 2010
|
176036.0
|
143256.0
|
Ionawr 2011
|
174442.0
|
141127.0
|
Chwefror 2011
|
173811.0
|
140631.0
|
Mawrth 2011
|
173046.0
|
139920.0
|
Ebrill 2011
|
175490.0
|
142530.0
|
Mai 2011
|
174668.0
|
141519.0
|
Mehefin 2011
|
174838.0
|
142124.0
|
Gorffennaf 2011
|
177164.0
|
143900.0
|
Awst 2011
|
177335.0
|
143876.0
|
Medi 2011
|
176783.0
|
143652.0
|
Hydref 2011
|
175171.0
|
141529.0
|
Tachwedd 2011
|
175200.0
|
141213.0
|
Rhagfyr 2011
|
174812.0
|
141597.0
|
Ionawr 2012
|
174179.0
|
141065.0
|
Chwefror 2012
|
174161.0
|
141631.0
|
Mawrth 2012
|
174323.0
|
142553.0
|
Ebrill 2012
|
176543.0
|
142988.0
|
Mai 2012
|
177026.0
|
143756.0
|
Mehefin 2012
|
178696.0
|
146691.0
|
Gorffennaf 2012
|
179756.0
|
146520.0
|
Awst 2012
|
180129.0
|
147399.0
|
Medi 2012
|
179563.0
|
146751.0
|
Hydref 2012
|
178412.0
|
145203.0
|
Tachwedd 2012
|
178662.0
|
145834.0
|
Rhagfyr 2012
|
178406.0
|
145717.0
|
Ionawr 2013
|
176816.0
|
143507.0
|
Chwefror 2013
|
177203.0
|
144347.0
|
Mawrth 2013
|
178189.0
|
144873.0
|
Ebrill 2013
|
179900.0
|
146485.0
|
Mai 2013
|
180621.0
|
147210.0
|
Mehefin 2013
|
182088.0
|
149113.0
|
Gorffennaf 2013
|
184274.0
|
150427.0
|
Awst 2013
|
185642.0
|
151571.0
|
Medi 2013
|
186082.0
|
151607.0
|
Hydref 2013
|
185358.0
|
150022.0
|
Tachwedd 2013
|
186260.0
|
151321.0
|
Rhagfyr 2013
|
188544.0
|
153457.0
|
Ionawr 2014
|
188265.0
|
152675.0
|
Chwefror 2014
|
189347.0
|
153599.0
|
Mawrth 2014
|
190037.0
|
154402.0
|
Ebrill 2014
|
194251.0
|
158218.0
|
Mai 2014
|
196171.0
|
159887.0
|
Mehefin 2014
|
197951.0
|
161284.0
|
Gorffennaf 2014
|
200825.0
|
163881.0
|
Awst 2014
|
203406.0
|
165811.0
|
Medi 2014
|
203639.0
|
165873.0
|
Hydref 2014
|
203311.0
|
165005.0
|
Tachwedd 2014
|
202704.0
|
164367.0
|
Rhagfyr 2014
|
203346.0
|
164959.0
|
Ionawr 2015
|
202856.0
|
164123.0
|
Chwefror 2015
|
203424.0
|
164756.0
|
Mawrth 2015
|
203360.0
|
163970.0
|
Ebrill 2015
|
205936.0
|
167023.0
|
Mai 2015
|
208265.0
|
168753.0
|
Mehefin 2015
|
209874.0
|
171013.0
|
Gorffennaf 2015
|
213518.0
|
173425.0
|
Awst 2015
|
215756.0
|
175208.0
|
Medi 2015
|
216350.0
|
175126.0
|
Hydref 2015
|
216676.0
|
175715.0
|
Tachwedd 2015
|
218500.0
|
176903.0
|
Rhagfyr 2015
|
219582.0
|
177739.0
|
Ionawr 2016
|
220361.0
|
177948.0
|
Chwefror 2016
|
220627.0
|
178610.0
|
Mawrth 2016
|
222663.0
|
179607.0
|
Ebrill 2016
|
223784.0
|
181914.0
|
Mai 2016
|
226370.0
|
184130.0
|
Mehefin 2016
|
228430.0
|
185472.0
|
Gorffennaf 2016
|
230868.0
|
187859.0
|
Awst 2016
|
231176.0
|
187742.0
|
Medi 2016
|
230848.0
|
186667.0
|
Hydref 2016
|
229944.0
|
184854.0
|
Tachwedd 2016
|
231053.0
|
185434.0
|
Rhagfyr 2016
|
231922.0
|
186867.0
|
Ionawr 2017
|
231593.0
|
185996.0
|
Chwefror 2017
|
232696.0
|
186974.0
|
Mawrth 2017
|
231760.0
|
185775.0
|
Ebrill 2017
|
235021.0
|
188856.0
|
Mai 2017
|
236727.0
|
190021.0
|
Mehefin 2017
|
238595.0
|
192410.0
|
Gorffennaf 2017
|
241406.0
|
194396.0
|
Awst 2017
|
242628.0
|
196312.0
|
Medi 2017
|
242041.0
|
195140.0
|
Hydref 2017
|
242003.0
|
194602.0
|
Tachwedd 2017
|
241086.0
|
194051.0
|
Rhagfyr 2017
|
242378.0
|
195761.0
|
Ionawr 2018
|
241061.0
|
193455.0
|
Chwefror 2018
|
241989.0
|
194649.0
|
Mawrth 2018
|
240428.0
|
194044.0
|
Ebrill 2018
|
242396.0
|
196259.0
|
Mai 2018
|
243445.0
|
197039.0
|
Mehefin 2018
|
244962.0
|
197758.0
|
Gorffennaf 2018
|
247981.0
|
200525.0
|
Awst 2018
|
248620.0
|
201469.0
|
Medi 2018
|
248248.0
|
200684.0
|
Hydref 2018
|
247757.0
|
199857.0
|
Tachwedd 2018
|
246940.0
|
199607.0
|
Rhagfyr 2018
|
246380.0
|
198769.0
|
Ionawr 2019
|
244641.0
|
196453.0
|
Chwefror 2019
|
244427.0
|
196809.0
|
Mawrth 2019
|
242982.0
|
195955.0
|
Ebrill 2019
|
244662.0
|
198335.0
|
Mai 2019
|
244928.0
|
199088.0
|
Mehefin 2019
|
245846.0
|
199166.0
|
Gorffennaf 2019
|
248468.0
|
201611.0
|
Awst 2019
|
249221.0
|
203207.0
|
Medi 2019
|
249637.0
|
203148.0
|
Hydref 2019
|
248842.0
|
201495.0
|
Tachwedd 2019
|
247867.0
|
201028.0
|
Rhagfyr 2019
|
248097.0
|
201726.0
|
Ionawr 2020
|
247898.0
|
200819.0
|
Chwefror 2020
|
246739.0
|
200753.0
|
Mawrth 2020
|
249121.0
|
202000.0
|
Ebrill 2020
|
246424.0
|
200144.0
|
Mai 2020
|
247499.0
|
200260.0
|
Mehefin 2020
|
250739.0
|
204932.0
|
Gorffennaf 2020
|
253226.0
|
206198.0
|
Awst 2020
|
255802.0
|
208306.0
|
Medi 2020
|
258155.0
|
210491.0
|
Hydref 2020
|
259592.0
|
212253.0
|
Tachwedd 2020
|
262409.0
|
214943.0
|
Rhagfyr 2020
|
264971.0
|
217514.0
|
Ionawr 2021
|
264676.0
|
217548.0
|
Chwefror 2021
|
266179.0
|
219605.0
|
Mawrth 2021
|
269460.0
|
222619.0
|
Ebrill 2021
|
265538.0
|
218927.0
|
Mai 2021
|
266067.0
|
219532.0
|
Mehefin 2021
|
281876.0
|
236036.0
|
Gorffennaf 2021
|
265370.0
|
217440.0
|
Awst 2021
|
274530.0
|
225691.0
|
Medi 2021
|
283901.0
|
236231.0
|
Hydref 2021
|
275118.0
|
224277.0
|
Tachwedd 2021
|
281382.0
|
230065.0
|
Rhagfyr 2021
|
283638.0
|
234149.0
|
Newid canrannol (blynyddol)
yn ôl
math o eiddo
yn
Lloegr
cuddio
Dyddiad
|
Pob math o eiddo
|
Tai teras
|
Mehefin 1998
|
9.3
|
8.4
|
Gorffennaf 1998
|
9.0
|
8.1
|
Awst 1998
|
8.2
|
7.8
|
Medi 1998
|
7.6
|
6.9
|
Hydref 1998
|
7.2
|
6.5
|
Tachwedd 1998
|
6.3
|
5.4
|
Rhagfyr 1998
|
6.5
|
6.1
|
Ionawr 1999
|
6.2
|
5.3
|
Chwefror 1999
|
6.3
|
5.6
|
Mawrth 1999
|
6.6
|
5.7
|
Ebrill 1999
|
6.3
|
6.4
|
Mai 1999
|
6.4
|
5.6
|
Mehefin 1999
|
7.4
|
7.2
|
Gorffennaf 1999
|
7.8
|
7.7
|
Awst 1999
|
9.1
|
9.0
|
Medi 1999
|
11.0
|
10.4
|
Hydref 1999
|
11.9
|
11.3
|
Tachwedd 1999
|
13.6
|
13.9
|
Rhagfyr 1999
|
14.5
|
14.2
|
Ionawr 2000
|
14.4
|
13.8
|
Chwefror 2000
|
15.4
|
15.3
|
Mawrth 2000
|
16.0
|
15.9
|
Ebrill 2000
|
17.7
|
16.4
|
Mai 2000
|
17.5
|
16.0
|
Mehefin 2000
|
17.0
|
15.6
|
Gorffennaf 2000
|
16.9
|
14.7
|
Awst 2000
|
16.5
|
13.7
|
Medi 2000
|
14.8
|
13.0
|
Hydref 2000
|
13.6
|
11.9
|
Tachwedd 2000
|
12.5
|
10.0
|
Rhagfyr 2000
|
12.2
|
10.1
|
Ionawr 2001
|
12.2
|
11.1
|
Chwefror 2001
|
11.4
|
10.0
|
Mawrth 2001
|
10.7
|
9.2
|
Ebrill 2001
|
9.8
|
8.8
|
Mai 2001
|
10.4
|
9.8
|
Mehefin 2001
|
10.7
|
10.0
|
Gorffennaf 2001
|
10.7
|
10.6
|
Awst 2001
|
11.8
|
12.3
|
Medi 2001
|
12.1
|
12.0
|
Hydref 2001
|
13.1
|
13.3
|
Tachwedd 2001
|
13.8
|
14.1
|
Rhagfyr 2001
|
14.0
|
13.4
|
Ionawr 2002
|
14.0
|
13.0
|
Chwefror 2002
|
14.8
|
14.6
|
Mawrth 2002
|
16.1
|
15.9
|
Ebrill 2002
|
15.9
|
15.1
|
Mai 2002
|
17.7
|
17.2
|
Mehefin 2002
|
18.7
|
18.5
|
Gorffennaf 2002
|
20.3
|
20.1
|
Awst 2002
|
20.9
|
20.8
|
Medi 2002
|
21.6
|
21.1
|
Hydref 2002
|
23.1
|
22.7
|
Tachwedd 2002
|
24.8
|
24.9
|
Rhagfyr 2002
|
25.0
|
25.4
|
Ionawr 2003
|
26.4
|
27.5
|
Chwefror 2003
|
25.9
|
25.8
|
Mawrth 2003
|
24.6
|
24.8
|
Ebrill 2003
|
24.6
|
25.1
|
Mai 2003
|
22.8
|
23.5
|
Mehefin 2003
|
21.1
|
21.6
|
Gorffennaf 2003
|
20.3
|
21.3
|
Awst 2003
|
18.7
|
19.9
|
Medi 2003
|
17.5
|
19.5
|
Hydref 2003
|
17.3
|
19.8
|
Tachwedd 2003
|
15.6
|
17.8
|
Rhagfyr 2003
|
15.8
|
18.9
|
Ionawr 2004
|
14.9
|
16.9
|
Chwefror 2004
|
15.2
|
18.2
|
Mawrth 2004
|
15.7
|
18.9
|
Ebrill 2004
|
16.6
|
21.2
|
Mai 2004
|
17.0
|
21.5
|
Mehefin 2004
|
18.7
|
23.0
|
Gorffennaf 2004
|
18.4
|
23.0
|
Awst 2004
|
18.6
|
22.7
|
Medi 2004
|
19.0
|
22.9
|
Hydref 2004
|
17.3
|
20.9
|
Tachwedd 2004
|
16.9
|
20.7
|
Rhagfyr 2004
|
15.0
|
18.6
|
Ionawr 2005
|
13.5
|
17.3
|
Chwefror 2005
|
13.1
|
16.0
|
Mawrth 2005
|
12.0
|
15.0
|
Ebrill 2005
|
9.6
|
11.7
|
Mai 2005
|
8.6
|
10.2
|
Mehefin 2005
|
6.9
|
9.6
|
Gorffennaf 2005
|
5.8
|
7.6
|
Awst 2005
|
4.8
|
6.8
|
Medi 2005
|
4.4
|
7.0
|
Hydref 2005
|
3.9
|
6.2
|
Tachwedd 2005
|
3.7
|
5.9
|
Rhagfyr 2005
|
4.6
|
6.7
|
Ionawr 2006
|
5.0
|
7.1
|
Chwefror 2006
|
5.2
|
7.6
|
Mawrth 2006
|
5.2
|
7.0
|
Ebrill 2006
|
6.1
|
8.0
|
Mai 2006
|
5.9
|
7.4
|
Mehefin 2006
|
6.2
|
7.4
|
Gorffennaf 2006
|
6.3
|
8.2
|
Awst 2006
|
6.7
|
8.2
|
Medi 2006
|
7.3
|
8.0
|
Hydref 2006
|
8.0
|
9.1
|
Tachwedd 2006
|
8.1
|
9.2
|
Rhagfyr 2006
|
8.8
|
10.0
|
Ionawr 2007
|
9.2
|
10.1
|
Chwefror 2007
|
9.3
|
9.7
|
Mawrth 2007
|
9.4
|
10.5
|
Ebrill 2007
|
9.1
|
10.1
|
Mai 2007
|
9.3
|
10.4
|
Mehefin 2007
|
9.5
|
10.2
|
Gorffennaf 2007
|
9.8
|
9.9
|
Awst 2007
|
9.4
|
10.0
|
Medi 2007
|
9.2
|
9.6
|
Hydref 2007
|
8.8
|
9.0
|
Tachwedd 2007
|
8.2
|
8.1
|
Rhagfyr 2007
|
6.8
|
6.4
|
Ionawr 2008
|
5.5
|
5.1
|
Chwefror 2008
|
4.2
|
4.3
|
Mawrth 2008
|
2.7
|
2.5
|
Ebrill 2008
|
1.3
|
1.0
|
Mai 2008
|
0.5
|
0.4
|
Mehefin 2008
|
-1.8
|
-1.9
|
Gorffennaf 2008
|
-3.9
|
-4.3
|
Awst 2008
|
-6.6
|
-7.1
|
Medi 2008
|
-9.0
|
-9.4
|
Hydref 2008
|
-11.0
|
-11.4
|
Tachwedd 2008
|
-13.5
|
-13.6
|
Rhagfyr 2008
|
-14.7
|
-14.4
|
Ionawr 2009
|
-15.2
|
-15.6
|
Chwefror 2009
|
-15.3
|
-15.6
|
Mawrth 2009
|
-15.5
|
-16.0
|
Ebrill 2009
|
-15.0
|
-15.2
|
Mai 2009
|
-14.2
|
-14.4
|
Mehefin 2009
|
-12.2
|
-12.3
|
Gorffennaf 2009
|
-9.8
|
-9.4
|
Awst 2009
|
-6.6
|
-6.2
|
Medi 2009
|
-3.4
|
-2.6
|
Hydref 2009
|
-0.5
|
0.2
|
Tachwedd 2009
|
2.7
|
3.8
|
Rhagfyr 2009
|
5.0
|
5.9
|
Ionawr 2010
|
7.2
|
8.2
|
Chwefror 2010
|
8.9
|
9.8
|
Mawrth 2010
|
9.7
|
10.1
|
Ebrill 2010
|
10.0
|
10.2
|
Mai 2010
|
9.2
|
9.4
|
Mehefin 2010
|
8.6
|
9.0
|
Gorffennaf 2010
|
7.7
|
7.5
|
Awst 2010
|
6.6
|
6.0
|
Medi 2010
|
5.3
|
5.0
|
Hydref 2010
|
3.4
|
2.9
|
Tachwedd 2010
|
2.0
|
0.6
|
Rhagfyr 2010
|
1.1
|
-0.4
|
Ionawr 2011
|
-0.0
|
-0.8
|
Chwefror 2011
|
-0.8
|
-1.7
|
Mawrth 2011
|
-1.0
|
-1.6
|
Ebrill 2011
|
-0.7
|
-1.3
|
Mai 2011
|
-1.7
|
-2.5
|
Mehefin 2011
|
-2.1
|
-3.0
|
Gorffennaf 2011
|
-1.9
|
-2.4
|
Awst 2011
|
-1.9
|
-2.1
|
Medi 2011
|
-1.9
|
-2.3
|
Hydref 2011
|
-1.6
|
-2.3
|
Tachwedd 2011
|
-0.6
|
-0.9
|
Rhagfyr 2011
|
-0.7
|
-1.2
|
Ionawr 2012
|
-0.2
|
-0.0
|
Chwefror 2012
|
0.2
|
0.7
|
Mawrth 2012
|
0.7
|
1.9
|
Ebrill 2012
|
0.6
|
0.3
|
Mai 2012
|
1.4
|
1.6
|
Mehefin 2012
|
2.2
|
3.2
|
Gorffennaf 2012
|
1.5
|
1.8
|
Awst 2012
|
1.6
|
2.4
|
Medi 2012
|
1.6
|
2.2
|
Hydref 2012
|
1.8
|
2.6
|
Tachwedd 2012
|
2.0
|
3.3
|
Rhagfyr 2012
|
2.1
|
2.9
|
Ionawr 2013
|
1.5
|
1.7
|
Chwefror 2013
|
1.8
|
1.9
|
Mawrth 2013
|
2.2
|
1.6
|
Ebrill 2013
|
1.9
|
2.4
|
Mai 2013
|
2.0
|
2.4
|
Mehefin 2013
|
1.9
|
1.6
|
Gorffennaf 2013
|
2.5
|
2.7
|
Awst 2013
|
3.1
|
2.8
|
Medi 2013
|
3.6
|
3.3
|
Hydref 2013
|
3.9
|
3.3
|
Tachwedd 2013
|
4.2
|
3.8
|
Rhagfyr 2013
|
5.7
|
5.3
|
Ionawr 2014
|
6.5
|
6.4
|
Chwefror 2014
|
6.8
|
6.4
|
Mawrth 2014
|
6.6
|
6.6
|
Ebrill 2014
|
8.0
|
8.0
|
Mai 2014
|
8.6
|
8.6
|
Mehefin 2014
|
8.7
|
8.2
|
Gorffennaf 2014
|
9.0
|
8.9
|
Awst 2014
|
9.6
|
9.4
|
Medi 2014
|
9.4
|
9.4
|
Hydref 2014
|
9.7
|
10.0
|
Tachwedd 2014
|
8.8
|
8.6
|
Rhagfyr 2014
|
7.8
|
7.5
|
Ionawr 2015
|
7.8
|
7.5
|
Chwefror 2015
|
7.4
|
7.3
|
Mawrth 2015
|
7.0
|
6.2
|
Ebrill 2015
|
6.0
|
5.6
|
Mai 2015
|
6.2
|
5.6
|
Mehefin 2015
|
6.0
|
6.0
|
Gorffennaf 2015
|
6.3
|
5.8
|
Awst 2015
|
6.1
|
5.7
|
Medi 2015
|
6.2
|
5.6
|
Hydref 2015
|
6.6
|
6.5
|
Tachwedd 2015
|
7.8
|
7.6
|
Rhagfyr 2015
|
8.0
|
7.8
|
Ionawr 2016
|
8.6
|
8.4
|
Chwefror 2016
|
8.5
|
8.4
|
Mawrth 2016
|
9.5
|
9.5
|
Ebrill 2016
|
8.7
|
8.9
|
Mai 2016
|
8.7
|
9.1
|
Mehefin 2016
|
8.8
|
8.5
|
Gorffennaf 2016
|
8.1
|
8.3
|
Awst 2016
|
7.2
|
7.2
|
Medi 2016
|
6.7
|
6.6
|
Hydref 2016
|
6.1
|
5.2
|
Tachwedd 2016
|
5.8
|
4.8
|
Rhagfyr 2016
|
5.6
|
5.1
|
Ionawr 2017
|
5.1
|
4.5
|
Chwefror 2017
|
5.5
|
4.7
|
Mawrth 2017
|
4.1
|
3.4
|
Ebrill 2017
|
5.0
|
3.8
|
Mai 2017
|
4.6
|
3.2
|
Mehefin 2017
|
4.4
|
3.7
|
Gorffennaf 2017
|
4.6
|
3.5
|
Awst 2017
|
5.0
|
4.6
|
Medi 2017
|
4.8
|
4.5
|
Hydref 2017
|
5.2
|
5.3
|
Tachwedd 2017
|
4.3
|
4.6
|
Rhagfyr 2017
|
4.5
|
4.8
|
Ionawr 2018
|
4.1
|
4.0
|
Chwefror 2018
|
4.0
|
4.1
|
Mawrth 2018
|
3.7
|
4.4
|
Ebrill 2018
|
3.1
|
3.9
|
Mai 2018
|
2.8
|
3.7
|
Mehefin 2018
|
2.7
|
2.8
|
Gorffennaf 2018
|
2.7
|
3.2
|
Awst 2018
|
2.5
|
2.6
|
Medi 2018
|
2.6
|
2.8
|
Hydref 2018
|
2.4
|
2.7
|
Tachwedd 2018
|
2.4
|
2.9
|
Rhagfyr 2018
|
1.6
|
1.5
|
Ionawr 2019
|
1.5
|
1.6
|
Chwefror 2019
|
1.0
|
1.1
|
Mawrth 2019
|
1.1
|
1.0
|
Ebrill 2019
|
0.9
|
1.1
|
Mai 2019
|
0.6
|
1.0
|
Mehefin 2019
|
0.4
|
0.7
|
Gorffennaf 2019
|
0.2
|
0.5
|
Awst 2019
|
0.2
|
0.9
|
Medi 2019
|
0.6
|
1.2
|
Hydref 2019
|
0.4
|
0.8
|
Tachwedd 2019
|
0.4
|
0.7
|
Rhagfyr 2019
|
0.7
|
1.5
|
Ionawr 2020
|
1.3
|
2.2
|
Chwefror 2020
|
1.0
|
2.0
|
Mawrth 2020
|
2.5
|
3.1
|
Ebrill 2020
|
0.7
|
0.9
|
Mai 2020
|
1.0
|
0.6
|
Mehefin 2020
|
2.0
|
2.9
|
Gorffennaf 2020
|
1.9
|
2.3
|
Awst 2020
|
2.6
|
2.5
|
Medi 2020
|
3.4
|
3.6
|
Hydref 2020
|
4.3
|
5.3
|
Tachwedd 2020
|
5.9
|
6.9
|
Rhagfyr 2020
|
6.8
|
7.8
|
Ionawr 2021
|
6.8
|
8.3
|
Chwefror 2021
|
7.9
|
9.4
|
Mawrth 2021
|
8.2
|
10.2
|
Ebrill 2021
|
7.8
|
9.4
|
Mai 2021
|
7.5
|
9.6
|
Mehefin 2021
|
12.4
|
15.2
|
Gorffennaf 2021
|
4.8
|
5.5
|
Awst 2021
|
7.3
|
8.3
|
Medi 2021
|
10.0
|
12.2
|
Hydref 2021
|
6.0
|
5.7
|
Tachwedd 2021
|
7.2
|
7.0
|
Rhagfyr 2021
|
7.0
|
7.6
|
Dyddiad
|
Pob math o eiddo
|
Tai teras
|
Mehefin 1998
|
0.6
|
-0.1
|
Gorffennaf 1998
|
1.3
|
1.3
|
Awst 1998
|
0.4
|
0.3
|
Medi 1998
|
-0.2
|
-0.3
|
Hydref 1998
|
-0.2
|
-0.7
|
Tachwedd 1998
|
-0.2
|
-0.4
|
Rhagfyr 1998
|
0.3
|
0.9
|
Ionawr 1999
|
0.3
|
-0.2
|
Chwefror 1999
|
-0.4
|
-0.4
|
Mawrth 1999
|
1.3
|
1.5
|
Ebrill 1999
|
1.9
|
2.9
|
Mai 1999
|
1.1
|
0.8
|
Mehefin 1999
|
1.5
|
1.4
|
Gorffennaf 1999
|
1.7
|
1.8
|
Awst 1999
|
1.5
|
1.5
|
Medi 1999
|
1.6
|
1.0
|
Hydref 1999
|
0.6
|
0.1
|
Tachwedd 1999
|
1.3
|
1.9
|
Rhagfyr 1999
|
1.1
|
1.2
|
Ionawr 2000
|
0.2
|
-0.6
|
Chwefror 2000
|
0.6
|
0.9
|
Mawrth 2000
|
1.8
|
2.0
|
Ebrill 2000
|
3.4
|
3.3
|
Mai 2000
|
0.9
|
0.5
|
Mehefin 2000
|
1.2
|
1.1
|
Gorffennaf 2000
|
1.6
|
0.9
|
Awst 2000
|
1.1
|
0.6
|
Medi 2000
|
0.1
|
0.4
|
Hydref 2000
|
-0.4
|
-0.9
|
Tachwedd 2000
|
0.3
|
0.2
|
Rhagfyr 2000
|
0.8
|
1.3
|
Ionawr 2001
|
0.2
|
0.4
|
Chwefror 2001
|
-0.2
|
-0.2
|
Mawrth 2001
|
1.2
|
1.2
|
Ebrill 2001
|
2.6
|
2.9
|
Mai 2001
|
1.5
|
1.5
|
Mehefin 2001
|
1.4
|
1.3
|
Gorffennaf 2001
|
1.6
|
1.4
|
Awst 2001
|
2.1
|
2.1
|
Medi 2001
|
0.4
|
0.2
|
Hydref 2001
|
0.5
|
0.2
|
Tachwedd 2001
|
1.0
|
0.8
|
Rhagfyr 2001
|
1.0
|
0.7
|
Ionawr 2002
|
0.2
|
0.1
|
Chwefror 2002
|
0.5
|
1.2
|
Mawrth 2002
|
2.4
|
2.3
|
Ebrill 2002
|
2.4
|
2.2
|
Mai 2002
|
3.1
|
3.4
|
Mehefin 2002
|
2.2
|
2.4
|
Gorffennaf 2002
|
3.0
|
2.8
|
Awst 2002
|
2.6
|
2.7
|
Medi 2002
|
1.0
|
0.5
|
Hydref 2002
|
1.7
|
1.5
|
Tachwedd 2002
|
2.4
|
2.6
|
Rhagfyr 2002
|
1.1
|
1.2
|
Ionawr 2003
|
1.4
|
1.7
|
Chwefror 2003
|
0.1
|
-0.1
|
Mawrth 2003
|
1.2
|
1.5
|
Ebrill 2003
|
2.4
|
2.4
|
Mai 2003
|
1.6
|
2.1
|
Mehefin 2003
|
0.8
|
0.8
|
Gorffennaf 2003
|
2.3
|
2.6
|
Awst 2003
|
1.2
|
1.5
|
Medi 2003
|
-0.0
|
0.1
|
Hydref 2003
|
1.5
|
1.8
|
Tachwedd 2003
|
1.0
|
0.9
|
Rhagfyr 2003
|
1.3
|
2.1
|
Ionawr 2004
|
0.5
|
0.1
|
Chwefror 2004
|
0.4
|
1.0
|
Mawrth 2004
|
1.6
|
2.1
|
Ebrill 2004
|
3.3
|
4.4
|
Mai 2004
|
2.0
|
2.4
|
Mehefin 2004
|
2.3
|
2.0
|
Gorffennaf 2004
|
2.1
|
2.5
|
Awst 2004
|
1.3
|
1.3
|
Medi 2004
|
0.3
|
0.3
|
Hydref 2004
|
0.1
|
0.2
|
Tachwedd 2004
|
0.6
|
0.7
|
Rhagfyr 2004
|
-0.3
|
0.4
|
Ionawr 2005
|
-0.8
|
-1.1
|
Chwefror 2005
|
0.0
|
-0.2
|
Mawrth 2005
|
0.6
|
1.2
|
Ebrill 2005
|
1.1
|
1.4
|
Mai 2005
|
1.1
|
1.0
|
Mehefin 2005
|
0.6
|
1.5
|
Gorffennaf 2005
|
1.0
|
0.6
|
Awst 2005
|
0.4
|
0.6
|
Medi 2005
|
-0.2
|
0.4
|
Hydref 2005
|
-0.3
|
-0.6
|
Tachwedd 2005
|
0.4
|
0.5
|
Rhagfyr 2005
|
0.6
|
1.1
|
Ionawr 2006
|
-0.4
|
-0.7
|
Chwefror 2006
|
0.2
|
0.3
|
Mawrth 2006
|
0.7
|
0.7
|
Ebrill 2006
|
1.9
|
2.3
|
Mai 2006
|
0.9
|
0.5
|
Mehefin 2006
|
0.9
|
1.5
|
Gorffennaf 2006
|
1.1
|
1.4
|
Awst 2006
|
0.8
|
0.5
|
Medi 2006
|
0.4
|
0.2
|
Hydref 2006
|
0.4
|
0.4
|
Tachwedd 2006
|
0.4
|
0.5
|
Rhagfyr 2006
|
1.3
|
1.8
|
Ionawr 2007
|
-0.1
|
-0.6
|
Chwefror 2007
|
0.3
|
-0.1
|
Mawrth 2007
|
0.7
|
1.5
|
Ebrill 2007
|
1.6
|
2.0
|
Mai 2007
|
1.1
|
0.7
|
Mehefin 2007
|
1.1
|
1.3
|
Gorffennaf 2007
|
1.3
|
1.1
|
Awst 2007
|
0.5
|
0.6
|
Medi 2007
|
0.2
|
-0.2
|
Hydref 2007
|
-0.0
|
-0.1
|
Tachwedd 2007
|
-0.1
|
-0.3
|
Rhagfyr 2007
|
-0.1
|
0.2
|
Ionawr 2008
|
-1.4
|
-1.7
|
Chwefror 2008
|
-0.9
|
-0.9
|
Mawrth 2008
|
-0.7
|
-0.3
|
Ebrill 2008
|
0.2
|
0.5
|
Mai 2008
|
0.4
|
0.2
|
Mehefin 2008
|
-1.3
|
-1.0
|
Gorffennaf 2008
|
-0.8
|
-1.3
|
Awst 2008
|
-2.3
|
-2.4
|
Medi 2008
|
-2.4
|
-2.7
|
Hydref 2008
|
-2.2
|
-2.3
|
Tachwedd 2008
|
-2.9
|
-2.8
|
Rhagfyr 2008
|
-1.4
|
-0.6
|
Ionawr 2009
|
-1.9
|
-3.2
|
Chwefror 2009
|
-1.1
|
-0.8
|
Mawrth 2009
|
-1.0
|
-0.9
|
Ebrill 2009
|
0.8
|
1.4
|
Mai 2009
|
1.3
|
1.2
|
Mehefin 2009
|
1.1
|
1.4
|
Gorffennaf 2009
|
1.9
|
2.0
|
Awst 2009
|
1.2
|
1.1
|
Medi 2009
|
1.0
|
0.9
|
Hydref 2009
|
0.6
|
0.6
|
Tachwedd 2009
|
0.3
|
0.6
|
Rhagfyr 2009
|
0.8
|
1.5
|
Ionawr 2010
|
0.2
|
-1.0
|
Chwefror 2010
|
0.4
|
0.6
|
Mawrth 2010
|
-0.3
|
-0.6
|
Ebrill 2010
|
1.2
|
1.5
|
Mai 2010
|
0.5
|
0.5
|
Mehefin 2010
|
0.5
|
1.0
|
Gorffennaf 2010
|
1.0
|
0.6
|
Awst 2010
|
0.2
|
-0.3
|
Medi 2010
|
-0.3
|
0.0
|
Hydref 2010
|
-1.2
|
-1.5
|
Tachwedd 2010
|
-1.0
|
-1.6
|
Rhagfyr 2010
|
-0.2
|
0.5
|
Ionawr 2011
|
-0.9
|
-1.5
|
Chwefror 2011
|
-0.4
|
-0.4
|
Mawrth 2011
|
-0.4
|
-0.5
|
Ebrill 2011
|
1.4
|
1.9
|
Mai 2011
|
-0.5
|
-0.7
|
Mehefin 2011
|
0.1
|
0.4
|
Gorffennaf 2011
|
1.3
|
1.2
|
Awst 2011
|
0.1
|
-0.0
|
Medi 2011
|
-0.3
|
-0.2
|
Hydref 2011
|
-0.9
|
-1.5
|
Tachwedd 2011
|
0.0
|
-0.2
|
Rhagfyr 2011
|
-0.2
|
0.3
|
Ionawr 2012
|
-0.4
|
-0.4
|
Chwefror 2012
|
-0.0
|
0.4
|
Mawrth 2012
|
0.1
|
0.6
|
Ebrill 2012
|
1.3
|
0.3
|
Mai 2012
|
0.3
|
0.5
|
Mehefin 2012
|
0.9
|
2.0
|
Gorffennaf 2012
|
0.6
|
-0.1
|
Awst 2012
|
0.2
|
0.6
|
Medi 2012
|
-0.3
|
-0.4
|
Hydref 2012
|
-0.6
|
-1.0
|
Tachwedd 2012
|
0.1
|
0.4
|
Rhagfyr 2012
|
-0.1
|
-0.1
|
Ionawr 2013
|
-0.9
|
-1.5
|
Chwefror 2013
|
0.2
|
0.6
|
Mawrth 2013
|
0.6
|
0.4
|
Ebrill 2013
|
1.0
|
1.1
|
Mai 2013
|
0.4
|
0.5
|
Mehefin 2013
|
0.8
|
1.3
|
Gorffennaf 2013
|
1.2
|
0.9
|
Awst 2013
|
0.7
|
0.8
|
Medi 2013
|
0.2
|
0.0
|
Hydref 2013
|
-0.4
|
-1.0
|
Tachwedd 2013
|
0.5
|
0.9
|
Rhagfyr 2013
|
1.2
|
1.4
|
Ionawr 2014
|
-0.2
|
-0.5
|
Chwefror 2014
|
0.6
|
0.6
|
Mawrth 2014
|
0.4
|
0.5
|
Ebrill 2014
|
2.2
|
2.5
|
Mai 2014
|
1.0
|
1.0
|
Mehefin 2014
|
0.9
|
0.9
|
Gorffennaf 2014
|
1.4
|
1.6
|
Awst 2014
|
1.3
|
1.2
|
Medi 2014
|
0.1
|
0.0
|
Hydref 2014
|
-0.2
|
-0.5
|
Tachwedd 2014
|
-0.3
|
-0.4
|
Rhagfyr 2014
|
0.3
|
0.4
|
Ionawr 2015
|
-0.2
|
-0.5
|
Chwefror 2015
|
0.3
|
0.4
|
Mawrth 2015
|
-0.0
|
-0.5
|
Ebrill 2015
|
1.3
|
1.9
|
Mai 2015
|
1.1
|
1.0
|
Mehefin 2015
|
0.8
|
1.3
|
Gorffennaf 2015
|
1.7
|
1.4
|
Awst 2015
|
1.0
|
1.0
|
Medi 2015
|
0.3
|
-0.1
|
Hydref 2015
|
0.2
|
0.3
|
Tachwedd 2015
|
0.8
|
0.7
|
Rhagfyr 2015
|
0.5
|
0.5
|
Ionawr 2016
|
0.4
|
0.1
|
Chwefror 2016
|
0.1
|
0.4
|
Mawrth 2016
|
0.9
|
0.6
|
Ebrill 2016
|
0.5
|
1.3
|
Mai 2016
|
1.2
|
1.2
|
Mehefin 2016
|
0.9
|
0.7
|
Gorffennaf 2016
|
1.1
|
1.3
|
Awst 2016
|
0.1
|
-0.1
|
Medi 2016
|
-0.1
|
-0.6
|
Hydref 2016
|
-0.4
|
-1.0
|
Tachwedd 2016
|
0.5
|
0.3
|
Rhagfyr 2016
|
0.4
|
0.8
|
Ionawr 2017
|
-0.1
|
-0.5
|
Chwefror 2017
|
0.5
|
0.5
|
Mawrth 2017
|
-0.4
|
-0.6
|
Ebrill 2017
|
1.4
|
1.7
|
Mai 2017
|
0.7
|
0.6
|
Mehefin 2017
|
0.8
|
1.3
|
Gorffennaf 2017
|
1.2
|
1.0
|
Awst 2017
|
0.5
|
1.0
|
Medi 2017
|
-0.2
|
-0.6
|
Hydref 2017
|
-0.0
|
-0.3
|
Tachwedd 2017
|
-0.4
|
-0.3
|
Rhagfyr 2017
|
0.5
|
0.9
|
Ionawr 2018
|
-0.5
|
-1.2
|
Chwefror 2018
|
0.4
|
0.6
|
Mawrth 2018
|
-0.6
|
-0.3
|
Ebrill 2018
|
0.8
|
1.1
|
Mai 2018
|
0.4
|
0.4
|
Mehefin 2018
|
0.6
|
0.4
|
Gorffennaf 2018
|
1.2
|
1.4
|
Awst 2018
|
0.3
|
0.5
|
Medi 2018
|
-0.2
|
-0.4
|
Hydref 2018
|
-0.2
|
-0.4
|
Tachwedd 2018
|
-0.3
|
-0.1
|
Rhagfyr 2018
|
-0.2
|
-0.4
|
Ionawr 2019
|
-0.7
|
-1.2
|
Chwefror 2019
|
-0.1
|
0.2
|
Mawrth 2019
|
-0.6
|
-0.4
|
Ebrill 2019
|
0.7
|
1.2
|
Mai 2019
|
0.1
|
0.4
|
Mehefin 2019
|
0.4
|
0.0
|
Gorffennaf 2019
|
1.1
|
1.2
|
Awst 2019
|
0.3
|
0.8
|
Medi 2019
|
0.2
|
-0.0
|
Hydref 2019
|
-0.3
|
-0.8
|
Tachwedd 2019
|
-0.4
|
-0.2
|
Rhagfyr 2019
|
0.1
|
0.4
|
Ionawr 2020
|
-0.1
|
-0.4
|
Chwefror 2020
|
-0.5
|
-0.0
|
Mawrth 2020
|
1.0
|
0.6
|
Ebrill 2020
|
-1.1
|
-0.9
|
Mai 2020
|
0.4
|
0.1
|
Mehefin 2020
|
1.3
|
2.3
|
Gorffennaf 2020
|
1.0
|
0.6
|
Awst 2020
|
1.0
|
1.0
|
Medi 2020
|
0.9
|
1.0
|
Hydref 2020
|
0.6
|
0.8
|
Tachwedd 2020
|
1.1
|
1.3
|
Rhagfyr 2020
|
1.0
|
1.2
|
Ionawr 2021
|
-0.1
|
0.0
|
Chwefror 2021
|
0.6
|
0.9
|
Mawrth 2021
|
1.2
|
1.4
|
Ebrill 2021
|
-1.5
|
-1.7
|
Mai 2021
|
0.2
|
0.3
|
Mehefin 2021
|
5.9
|
7.5
|
Gorffennaf 2021
|
-5.9
|
-7.9
|
Awst 2021
|
3.5
|
3.8
|
Medi 2021
|
3.4
|
4.7
|
Hydref 2021
|
-3.1
|
-5.1
|
Tachwedd 2021
|
2.3
|
2.6
|
Rhagfyr 2021
|
0.8
|
1.8
|
Dyddiad
|
Pob math o eiddo
|
Tai teras
|
Mehefin 1998
|
31.9
|
30.3
|
Gorffennaf 1998
|
32.3
|
30.7
|
Awst 1998
|
32.4
|
30.8
|
Medi 1998
|
32.3
|
30.7
|
Hydref 1998
|
32.3
|
30.5
|
Tachwedd 1998
|
32.2
|
30.4
|
Rhagfyr 1998
|
32.3
|
30.6
|
Ionawr 1999
|
32.4
|
30.6
|
Chwefror 1999
|
32.3
|
30.5
|
Mawrth 1999
|
32.7
|
30.9
|
Ebrill 1999
|
33.4
|
31.8
|
Mai 1999
|
33.7
|
32.1
|
Mehefin 1999
|
34.2
|
32.5
|
Gorffennaf 1999
|
34.8
|
33.1
|
Awst 1999
|
35.3
|
33.6
|
Medi 1999
|
35.9
|
33.9
|
Hydref 1999
|
36.1
|
34.0
|
Tachwedd 1999
|
36.6
|
34.6
|
Rhagfyr 1999
|
37.0
|
35.0
|
Ionawr 2000
|
37.1
|
34.8
|
Chwefror 2000
|
37.3
|
35.1
|
Mawrth 2000
|
38.0
|
35.8
|
Ebrill 2000
|
39.3
|
37.0
|
Mai 2000
|
39.6
|
37.2
|
Mehefin 2000
|
40.1
|
37.6
|
Gorffennaf 2000
|
40.7
|
38.0
|
Awst 2000
|
41.2
|
38.2
|
Medi 2000
|
41.2
|
38.4
|
Hydref 2000
|
41.0
|
38.0
|
Tachwedd 2000
|
41.2
|
38.1
|
Rhagfyr 2000
|
41.5
|
38.6
|
Ionawr 2001
|
41.6
|
38.7
|
Chwefror 2001
|
41.5
|
38.6
|
Mawrth 2001
|
42.0
|
39.1
|
Ebrill 2001
|
43.1
|
40.3
|
Mai 2001
|
43.7
|
40.9
|
Mehefin 2001
|
44.4
|
41.4
|
Gorffennaf 2001
|
45.1
|
42.0
|
Awst 2001
|
46.0
|
42.9
|
Medi 2001
|
46.2
|
43.0
|
Hydref 2001
|
46.4
|
43.0
|
Tachwedd 2001
|
46.9
|
43.4
|
Rhagfyr 2001
|
47.3
|
43.7
|
Ionawr 2002
|
47.4
|
43.8
|
Chwefror 2002
|
47.7
|
44.3
|
Mawrth 2002
|
48.8
|
45.3
|
Ebrill 2002
|
50.0
|
46.3
|
Mai 2002
|
51.5
|
47.9
|
Mehefin 2002
|
52.6
|
49.1
|
Gorffennaf 2002
|
54.2
|
50.4
|
Awst 2002
|
55.6
|
51.8
|
Medi 2002
|
56.2
|
52.0
|
Hydref 2002
|
57.1
|
52.8
|
Tachwedd 2002
|
58.5
|
54.2
|
Rhagfyr 2002
|
59.2
|
54.8
|
Ionawr 2003
|
60.0
|
55.8
|
Chwefror 2003
|
60.0
|
55.7
|
Mawrth 2003
|
60.8
|
56.6
|
Ebrill 2003
|
62.2
|
58.0
|
Mai 2003
|
63.2
|
59.2
|
Mehefin 2003
|
63.8
|
59.7
|
Gorffennaf 2003
|
65.2
|
61.2
|
Awst 2003
|
66.0
|
62.1
|
Medi 2003
|
66.0
|
62.2
|
Hydref 2003
|
67.0
|
63.3
|
Tachwedd 2003
|
67.6
|
63.8
|
Rhagfyr 2003
|
68.5
|
65.2
|
Ionawr 2004
|
68.9
|
65.2
|
Chwefror 2004
|
69.2
|
65.9
|
Mawrth 2004
|
70.3
|
67.3
|
Ebrill 2004
|
72.6
|
70.2
|
Mai 2004
|
74.0
|
71.9
|
Mehefin 2004
|
75.7
|
73.4
|
Gorffennaf 2004
|
77.3
|
75.2
|
Awst 2004
|
78.3
|
76.2
|
Medi 2004
|
78.5
|
76.4
|
Hydref 2004
|
78.6
|
76.5
|
Tachwedd 2004
|
79.0
|
77.0
|
Rhagfyr 2004
|
78.8
|
77.3
|
Ionawr 2005
|
78.2
|
76.5
|
Chwefror 2005
|
78.2
|
76.4
|
Mawrth 2005
|
78.7
|
77.3
|
Ebrill 2005
|
79.5
|
78.4
|
Mai 2005
|
80.4
|
79.2
|
Mehefin 2005
|
80.9
|
80.4
|
Gorffennaf 2005
|
81.7
|
81.0
|
Awst 2005
|
82.0
|
81.4
|
Medi 2005
|
81.9
|
81.7
|
Hydref 2005
|
81.6
|
81.2
|
Tachwedd 2005
|
82.0
|
81.6
|
Rhagfyr 2005
|
82.4
|
82.5
|
Ionawr 2006
|
82.1
|
82.0
|
Chwefror 2006
|
82.3
|
82.2
|
Mawrth 2006
|
82.8
|
82.8
|
Ebrill 2006
|
84.4
|
84.7
|
Mai 2006
|
85.1
|
85.1
|
Mehefin 2006
|
85.9
|
86.4
|
Gorffennaf 2006
|
86.8
|
87.6
|
Awst 2006
|
87.6
|
88.1
|
Medi 2006
|
87.9
|
88.3
|
Hydref 2006
|
88.2
|
88.6
|
Tachwedd 2006
|
88.6
|
89.1
|
Rhagfyr 2006
|
89.7
|
90.7
|
Ionawr 2007
|
89.6
|
90.2
|
Chwefror 2007
|
89.9
|
90.1
|
Mawrth 2007
|
90.6
|
91.5
|
Ebrill 2007
|
92.0
|
93.3
|
Mai 2007
|
93.1
|
94.0
|
Mehefin 2007
|
94.1
|
95.2
|
Gorffennaf 2007
|
95.3
|
96.3
|
Awst 2007
|
95.8
|
96.9
|
Medi 2007
|
96.0
|
96.7
|
Hydref 2007
|
96.0
|
96.6
|
Tachwedd 2007
|
95.9
|
96.3
|
Rhagfyr 2007
|
95.8
|
96.6
|
Ionawr 2008
|
94.5
|
94.9
|
Chwefror 2008
|
93.7
|
94.0
|
Mawrth 2008
|
93.0
|
93.7
|
Ebrill 2008
|
93.2
|
94.2
|
Mai 2008
|
93.6
|
94.3
|
Mehefin 2008
|
92.4
|
93.4
|
Gorffennaf 2008
|
91.6
|
92.2
|
Awst 2008
|
89.5
|
90.0
|
Medi 2008
|
87.4
|
87.6
|
Hydref 2008
|
85.4
|
85.6
|
Tachwedd 2008
|
82.9
|
83.2
|
Rhagfyr 2008
|
81.7
|
82.7
|
Ionawr 2009
|
80.2
|
80.1
|
Chwefror 2009
|
79.4
|
79.4
|
Mawrth 2009
|
78.6
|
78.8
|
Ebrill 2009
|
79.2
|
79.8
|
Mai 2009
|
80.2
|
80.8
|
Mehefin 2009
|
81.1
|
81.9
|
Gorffennaf 2009
|
82.7
|
83.6
|
Awst 2009
|
83.6
|
84.5
|
Medi 2009
|
84.4
|
85.3
|
Hydref 2009
|
84.9
|
85.8
|
Tachwedd 2009
|
85.2
|
86.3
|
Rhagfyr 2009
|
85.8
|
87.6
|
Ionawr 2010
|
86.0
|
86.7
|
Chwefror 2010
|
86.4
|
87.2
|
Mawrth 2010
|
86.2
|
86.7
|
Ebrill 2010
|
87.2
|
88.0
|
Mai 2010
|
87.6
|
88.4
|
Mehefin 2010
|
88.1
|
89.3
|
Gorffennaf 2010
|
89.0
|
89.8
|
Awst 2010
|
89.1
|
89.6
|
Medi 2010
|
88.8
|
89.6
|
Hydref 2010
|
87.8
|
88.2
|
Tachwedd 2010
|
86.9
|
86.9
|
Rhagfyr 2010
|
86.8
|
87.3
|
Ionawr 2011
|
86.0
|
86.0
|
Chwefror 2011
|
85.7
|
85.7
|
Mawrth 2011
|
85.3
|
85.2
|
Ebrill 2011
|
86.5
|
86.8
|
Mai 2011
|
86.1
|
86.2
|
Mehefin 2011
|
86.2
|
86.6
|
Gorffennaf 2011
|
87.3
|
87.7
|
Awst 2011
|
87.4
|
87.7
|
Medi 2011
|
87.2
|
87.5
|
Hydref 2011
|
86.4
|
86.2
|
Tachwedd 2011
|
86.4
|
86.0
|
Rhagfyr 2011
|
86.2
|
86.3
|
Ionawr 2012
|
85.9
|
86.0
|
Chwefror 2012
|
85.8
|
86.3
|
Mawrth 2012
|
85.9
|
86.9
|
Ebrill 2012
|
87.0
|
87.1
|
Mai 2012
|
87.3
|
87.6
|
Mehefin 2012
|
88.1
|
89.4
|
Gorffennaf 2012
|
88.6
|
89.3
|
Awst 2012
|
88.8
|
89.8
|
Medi 2012
|
88.5
|
89.4
|
Hydref 2012
|
88.0
|
88.5
|
Tachwedd 2012
|
88.1
|
88.9
|
Rhagfyr 2012
|
88.0
|
88.8
|
Ionawr 2013
|
87.2
|
87.4
|
Chwefror 2013
|
87.4
|
88.0
|
Mawrth 2013
|
87.8
|
88.3
|
Ebrill 2013
|
88.7
|
89.2
|
Mai 2013
|
89.0
|
89.7
|
Mehefin 2013
|
89.8
|
90.8
|
Gorffennaf 2013
|
90.8
|
91.7
|
Awst 2013
|
91.5
|
92.4
|
Medi 2013
|
91.7
|
92.4
|
Hydref 2013
|
91.4
|
91.4
|
Tachwedd 2013
|
91.8
|
92.2
|
Rhagfyr 2013
|
93.0
|
93.5
|
Ionawr 2014
|
92.8
|
93.0
|
Chwefror 2014
|
93.3
|
93.6
|
Mawrth 2014
|
93.7
|
94.1
|
Ebrill 2014
|
95.8
|
96.4
|
Mai 2014
|
96.7
|
97.4
|
Mehefin 2014
|
97.6
|
98.3
|
Gorffennaf 2014
|
99.0
|
99.8
|
Awst 2014
|
100.3
|
101.0
|
Medi 2014
|
100.4
|
101.1
|
Hydref 2014
|
100.2
|
100.5
|
Tachwedd 2014
|
99.9
|
100.2
|
Rhagfyr 2014
|
100.2
|
100.5
|
Ionawr 2015
|
100.0
|
100.0
|
Chwefror 2015
|
100.3
|
100.4
|
Mawrth 2015
|
100.2
|
99.9
|
Ebrill 2015
|
101.5
|
101.8
|
Mai 2015
|
102.7
|
102.8
|
Mehefin 2015
|
103.5
|
104.2
|
Gorffennaf 2015
|
105.3
|
105.7
|
Awst 2015
|
106.4
|
106.8
|
Medi 2015
|
106.6
|
106.7
|
Hydref 2015
|
106.8
|
107.1
|
Tachwedd 2015
|
107.7
|
107.8
|
Rhagfyr 2015
|
108.2
|
108.3
|
Ionawr 2016
|
108.6
|
108.4
|
Chwefror 2016
|
108.8
|
108.8
|
Mawrth 2016
|
109.8
|
109.4
|
Ebrill 2016
|
110.3
|
110.8
|
Mai 2016
|
111.6
|
112.2
|
Mehefin 2016
|
112.6
|
113.0
|
Gorffennaf 2016
|
113.8
|
114.5
|
Awst 2016
|
114.0
|
114.4
|
Medi 2016
|
113.8
|
113.7
|
Hydref 2016
|
113.4
|
112.6
|
Tachwedd 2016
|
113.9
|
113.0
|
Rhagfyr 2016
|
114.3
|
113.9
|
Ionawr 2017
|
114.2
|
113.3
|
Chwefror 2017
|
114.7
|
113.9
|
Mawrth 2017
|
114.2
|
113.2
|
Ebrill 2017
|
115.9
|
115.1
|
Mai 2017
|
116.7
|
115.8
|
Mehefin 2017
|
117.6
|
117.2
|
Gorffennaf 2017
|
119.0
|
118.4
|
Awst 2017
|
119.6
|
119.6
|
Medi 2017
|
119.3
|
118.9
|
Hydref 2017
|
119.3
|
118.6
|
Tachwedd 2017
|
118.8
|
118.2
|
Rhagfyr 2017
|
119.5
|
119.3
|
Ionawr 2018
|
118.8
|
117.9
|
Chwefror 2018
|
119.3
|
118.6
|
Mawrth 2018
|
118.5
|
118.2
|
Ebrill 2018
|
119.5
|
119.6
|
Mai 2018
|
120.0
|
120.1
|
Mehefin 2018
|
120.8
|
120.5
|
Gorffennaf 2018
|
122.2
|
122.2
|
Awst 2018
|
122.6
|
122.8
|
Medi 2018
|
122.4
|
122.3
|
Hydref 2018
|
122.1
|
121.8
|
Tachwedd 2018
|
121.7
|
121.6
|
Rhagfyr 2018
|
121.5
|
121.1
|
Ionawr 2019
|
120.6
|
119.7
|
Chwefror 2019
|
120.5
|
119.9
|
Mawrth 2019
|
119.8
|
119.4
|
Ebrill 2019
|
120.6
|
120.8
|
Mai 2019
|
120.7
|
121.3
|
Mehefin 2019
|
121.2
|
121.4
|
Gorffennaf 2019
|
122.5
|
122.8
|
Awst 2019
|
122.9
|
123.8
|
Medi 2019
|
123.1
|
123.8
|
Hydref 2019
|
122.7
|
122.8
|
Tachwedd 2019
|
122.2
|
122.5
|
Rhagfyr 2019
|
122.3
|
122.9
|
Ionawr 2020
|
122.2
|
122.4
|
Chwefror 2020
|
121.6
|
122.3
|
Mawrth 2020
|
122.8
|
123.1
|
Ebrill 2020
|
121.5
|
122.0
|
Mai 2020
|
122.0
|
122.0
|
Mehefin 2020
|
123.6
|
124.9
|
Gorffennaf 2020
|
124.8
|
125.6
|
Awst 2020
|
126.1
|
126.9
|
Medi 2020
|
127.3
|
128.2
|
Hydref 2020
|
128.0
|
129.3
|
Tachwedd 2020
|
129.4
|
131.0
|
Rhagfyr 2020
|
130.6
|
132.5
|
Ionawr 2021
|
130.5
|
132.6
|
Chwefror 2021
|
131.2
|
133.8
|
Mawrth 2021
|
132.8
|
135.6
|
Ebrill 2021
|
130.9
|
133.4
|
Mai 2021
|
131.2
|
133.8
|
Mehefin 2021
|
139.0
|
143.8
|
Gorffennaf 2021
|
130.8
|
132.5
|
Awst 2021
|
135.3
|
137.5
|
Medi 2021
|
140.0
|
143.9
|
Hydref 2021
|
135.6
|
136.7
|
Tachwedd 2021
|
138.7
|
140.2
|
Rhagfyr 2021
|
139.8
|
142.7
|
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
Newid canrannol (blynyddol)
yn ôl
statws y prynwr
yn
Lloegr
dangos
Newid canrannol (misol)
yn ôl
statws y prynwr
yn
Lloegr
dangos
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
|
Mehefin 1998
|
|
Gorffennaf 1998
|
|
Awst 1998
|
|
Medi 1998
|
|
Hydref 1998
|
|
Tachwedd 1998
|
|
Rhagfyr 1998
|
|
Ionawr 1999
|
|
Chwefror 1999
|
|
Mawrth 1999
|
|
Ebrill 1999
|
|
Mai 1999
|
|
Mehefin 1999
|
|
Gorffennaf 1999
|
|
Awst 1999
|
|
Medi 1999
|
|
Hydref 1999
|
|
Tachwedd 1999
|
|
Rhagfyr 1999
|
|
Ionawr 2000
|
|
Chwefror 2000
|
|
Mawrth 2000
|
|
Ebrill 2000
|
|
Mai 2000
|
|
Mehefin 2000
|
|
Gorffennaf 2000
|
|
Awst 2000
|
|
Medi 2000
|
|
Hydref 2000
|
|
Tachwedd 2000
|
|
Rhagfyr 2000
|
|
Ionawr 2001
|
|
Chwefror 2001
|
|
Mawrth 2001
|
|
Ebrill 2001
|
|
Mai 2001
|
|
Mehefin 2001
|
|
Gorffennaf 2001
|
|
Awst 2001
|
|
Medi 2001
|
|
Hydref 2001
|
|
Tachwedd 2001
|
|
Rhagfyr 2001
|
|
Ionawr 2002
|
|
Chwefror 2002
|
|
Mawrth 2002
|
|
Ebrill 2002
|
|
Mai 2002
|
|
Mehefin 2002
|
|
Gorffennaf 2002
|
|
Awst 2002
|
|
Medi 2002
|
|
Hydref 2002
|
|
Tachwedd 2002
|
|
Rhagfyr 2002
|
|
Ionawr 2003
|
|
Chwefror 2003
|
|
Mawrth 2003
|
|
Ebrill 2003
|
|
Mai 2003
|
|
Mehefin 2003
|
|
Gorffennaf 2003
|
|
Awst 2003
|
|
Medi 2003
|
|
Hydref 2003
|
|
Tachwedd 2003
|
|
Rhagfyr 2003
|
|
Ionawr 2004
|
|
Chwefror 2004
|
|
Mawrth 2004
|
|
Ebrill 2004
|
|
Mai 2004
|
|
Mehefin 2004
|
|
Gorffennaf 2004
|
|
Awst 2004
|
|
Medi 2004
|
|
Hydref 2004
|
|
Tachwedd 2004
|
|
Rhagfyr 2004
|
|
Ionawr 2005
|
|
Chwefror 2005
|
|
Mawrth 2005
|
|
Ebrill 2005
|
|
Mai 2005
|
|
Mehefin 2005
|
|
Gorffennaf 2005
|
|
Awst 2005
|
|
Medi 2005
|
|
Hydref 2005
|
|
Tachwedd 2005
|
|
Rhagfyr 2005
|
|
Ionawr 2006
|
|
Chwefror 2006
|
|
Mawrth 2006
|
|
Ebrill 2006
|
|
Mai 2006
|
|
Mehefin 2006
|
|
Gorffennaf 2006
|
|
Awst 2006
|
|
Medi 2006
|
|
Hydref 2006
|
|
Tachwedd 2006
|
|
Rhagfyr 2006
|
|
Ionawr 2007
|
|
Chwefror 2007
|
|
Mawrth 2007
|
|
Ebrill 2007
|
|
Mai 2007
|
|
Mehefin 2007
|
|
Gorffennaf 2007
|
|
Awst 2007
|
|
Medi 2007
|
|
Hydref 2007
|
|
Tachwedd 2007
|
|
Rhagfyr 2007
|
|
Ionawr 2008
|
|
Chwefror 2008
|
|
Mawrth 2008
|
|
Ebrill 2008
|
|
Mai 2008
|
|
Mehefin 2008
|
|
Gorffennaf 2008
|
|
Awst 2008
|
|
Medi 2008
|
|
Hydref 2008
|
|
Tachwedd 2008
|
|
Rhagfyr 2008
|
|
Ionawr 2009
|
|
Chwefror 2009
|
|
Mawrth 2009
|
|
Ebrill 2009
|
|
Mai 2009
|
|
Mehefin 2009
|
|
Gorffennaf 2009
|
|
Awst 2009
|
|
Medi 2009
|
|
Hydref 2009
|
|
Tachwedd 2009
|
|
Rhagfyr 2009
|
|
Ionawr 2010
|
|
Chwefror 2010
|
|
Mawrth 2010
|
|
Ebrill 2010
|
|
Mai 2010
|
|
Mehefin 2010
|
|
Gorffennaf 2010
|
|
Awst 2010
|
|
Medi 2010
|
|
Hydref 2010
|
|
Tachwedd 2010
|
|
Rhagfyr 2010
|
|
Ionawr 2011
|
|
Chwefror 2011
|
|
Mawrth 2011
|
|
Ebrill 2011
|
|
Mai 2011
|
|
Mehefin 2011
|
|
Gorffennaf 2011
|
|
Awst 2011
|
|
Medi 2011
|
|
Hydref 2011
|
|
Tachwedd 2011
|
|
Rhagfyr 2011
|
|
Ionawr 2012
|
177724.0
|
Chwefror 2012
|
177706.0
|
Mawrth 2012
|
177911.0
|
Ebrill 2012
|
180102.0
|
Mai 2012
|
180637.0
|
Mehefin 2012
|
182475.0
|
Gorffennaf 2012
|
183493.0
|
Awst 2012
|
183893.0
|
Medi 2012
|
183387.0
|
Hydref 2012
|
182151.0
|
Tachwedd 2012
|
182486.0
|
Rhagfyr 2012
|
182399.0
|
Ionawr 2013
|
180775.0
|
Chwefror 2013
|
181120.0
|
Mawrth 2013
|
182088.0
|
Ebrill 2013
|
183908.0
|
Mai 2013
|
184643.0
|
Mehefin 2013
|
186279.0
|
Gorffennaf 2013
|
188394.0
|
Awst 2013
|
189834.0
|
Medi 2013
|
190333.0
|
Hydref 2013
|
189686.0
|
Tachwedd 2013
|
190568.0
|
Rhagfyr 2013
|
193024.0
|
Ionawr 2014
|
192803.0
|
Chwefror 2014
|
193991.0
|
Mawrth 2014
|
194709.0
|
Ebrill 2014
|
199111.0
|
Mai 2014
|
201217.0
|
Mehefin 2014
|
203017.0
|
Gorffennaf 2014
|
206111.0
|
Awst 2014
|
208833.0
|
Medi 2014
|
208817.0
|
Hydref 2014
|
208647.0
|
Tachwedd 2014
|
208072.0
|
Rhagfyr 2014
|
208696.0
|
Ionawr 2015
|
208205.0
|
Chwefror 2015
|
208802.0
|
Mawrth 2015
|
208829.0
|
Ebrill 2015
|
211533.0
|
Mai 2015
|
213921.0
|
Mehefin 2015
|
215705.0
|
Gorffennaf 2015
|
219519.0
|
Awst 2015
|
221821.0
|
Medi 2015
|
222303.0
|
Hydref 2015
|
222906.0
|
Tachwedd 2015
|
224703.0
|
Rhagfyr 2015
|
225999.0
|
Ionawr 2016
|
226906.0
|
Chwefror 2016
|
227181.0
|
Mawrth 2016
|
229021.0
|
Ebrill 2016
|
230686.0
|
Mai 2016
|
233283.0
|
Mehefin 2016
|
235315.0
|
Gorffennaf 2016
|
237977.0
|
Awst 2016
|
238130.0
|
Medi 2016
|
237778.0
|
Hydref 2016
|
236874.0
|
Tachwedd 2016
|
237786.0
|
Rhagfyr 2016
|
238821.0
|
Ionawr 2017
|
238569.0
|
Chwefror 2017
|
239365.0
|
Mawrth 2017
|
238608.0
|
Ebrill 2017
|
241894.0
|
Mai 2017
|
243627.0
|
Mehefin 2017
|
245566.0
|
Gorffennaf 2017
|
248430.0
|
Awst 2017
|
249767.0
|
Medi 2017
|
249146.0
|
Hydref 2017
|
249059.0
|
Tachwedd 2017
|
247981.0
|
Rhagfyr 2017
|
249413.0
|
Ionawr 2018
|
248131.0
|
Chwefror 2018
|
249155.0
|
Mawrth 2018
|
247573.0
|
Ebrill 2018
|
249743.0
|
Mai 2018
|
250689.0
|
Mehefin 2018
|
252259.0
|
Gorffennaf 2018
|
255295.0
|
Awst 2018
|
255867.0
|
Medi 2018
|
255406.0
|
Hydref 2018
|
255040.0
|
Tachwedd 2018
|
254101.0
|
Rhagfyr 2018
|
253519.0
|
Ionawr 2019
|
251817.0
|
Chwefror 2019
|
251660.0
|
Mawrth 2019
|
250321.0
|
Ebrill 2019
|
251978.0
|
Mai 2019
|
252186.0
|
Mehefin 2019
|
253084.0
|
Gorffennaf 2019
|
256017.0
|
Awst 2019
|
256629.0
|
Medi 2019
|
256967.0
|
Hydref 2019
|
256238.0
|
Tachwedd 2019
|
255200.0
|
Rhagfyr 2019
|
255465.0
|
Ionawr 2020
|
255554.0
|
Chwefror 2020
|
254249.0
|
Mawrth 2020
|
256678.0
|
Ebrill 2020
|
254261.0
|
Mai 2020
|
255275.0
|
Mehefin 2020
|
258434.0
|
Gorffennaf 2020
|
261031.0
|
Awst 2020
|
263808.0
|
Medi 2020
|
266041.0
|
Hydref 2020
|
267324.0
|
Tachwedd 2020
|
270236.0
|
Rhagfyr 2020
|
272782.0
|
Ionawr 2021
|
272412.0
|
Chwefror 2021
|
273851.0
|
Mawrth 2021
|
277207.0
|
Ebrill 2021
|
273346.0
|
Mai 2021
|
273880.0
|
Mehefin 2021
|
289521.0
|
Gorffennaf 2021
|
273173.0
|
Awst 2021
|
282517.0
|
Medi 2021
|
291756.0
|
Hydref 2021
|
283105.0
|
Tachwedd 2021
|
289431.0
|
Rhagfyr 2021
|
291585.0
|
Newid canrannol (blynyddol)
yn ôl
statws cyllido
yn
Lloegr
cuddio
Dyddiad
|
Pryniannau morgais
|
Mehefin 1998
|
|
Gorffennaf 1998
|
|
Awst 1998
|
|
Medi 1998
|
|
Hydref 1998
|
|
Tachwedd 1998
|
|
Rhagfyr 1998
|
|
Ionawr 1999
|
|
Chwefror 1999
|
|
Mawrth 1999
|
|
Ebrill 1999
|
|
Mai 1999
|
|
Mehefin 1999
|
|
Gorffennaf 1999
|
|
Awst 1999
|
|
Medi 1999
|
|
Hydref 1999
|
|
Tachwedd 1999
|
|
Rhagfyr 1999
|
|
Ionawr 2000
|
|
Chwefror 2000
|
|
Mawrth 2000
|
|
Ebrill 2000
|
|
Mai 2000
|
|
Mehefin 2000
|
|
Gorffennaf 2000
|
|
Awst 2000
|
|
Medi 2000
|
|
Hydref 2000
|
|
Tachwedd 2000
|
|
Rhagfyr 2000
|
|
Ionawr 2001
|
|
Chwefror 2001
|
|
Mawrth 2001
|
|
Ebrill 2001
|
|
Mai 2001
|
|
Mehefin 2001
|
|
Gorffennaf 2001
|
|
Awst 2001
|
|
Medi 2001
|
|
Hydref 2001
|
|
Tachwedd 2001
|
|
Rhagfyr 2001
|
|
Ionawr 2002
|
|
Chwefror 2002
|
|
Mawrth 2002
|
|
Ebrill 2002
|
|
Mai 2002
|
|
Mehefin 2002
|
|
Gorffennaf 2002
|
|
Awst 2002
|
|
Medi 2002
|
|
Hydref 2002
|
|
Tachwedd 2002
|
|
Rhagfyr 2002
|
|
Ionawr 2003
|
|
Chwefror 2003
|
|
Mawrth 2003
|
|
Ebrill 2003
|
|
Mai 2003
|
|
Mehefin 2003
|
|
Gorffennaf 2003
|
|
Awst 2003
|
|
Medi 2003
|
|
Hydref 2003
|
|
Tachwedd 2003
|
|
Rhagfyr 2003
|
|
Ionawr 2004
|
|
Chwefror 2004
|
|
Mawrth 2004
|
|
Ebrill 2004
|
|
Mai 2004
|
|
Mehefin 2004
|
|
Gorffennaf 2004
|
|
Awst 2004
|
|
Medi 2004
|
|
Hydref 2004
|
|
Tachwedd 2004
|
|
Rhagfyr 2004
|
|
Ionawr 2005
|
|
Chwefror 2005
|
|
Mawrth 2005
|
|
Ebrill 2005
|
|
Mai 2005
|
|
Mehefin 2005
|
|
Gorffennaf 2005
|
|
Awst 2005
|
|
Medi 2005
|
|
Hydref 2005
|
|
Tachwedd 2005
|
|
Rhagfyr 2005
|
|
Ionawr 2006
|
|
Chwefror 2006
|
|
Mawrth 2006
|
|
Ebrill 2006
|
|
Mai 2006
|
|
Mehefin 2006
|
|
Gorffennaf 2006
|
|
Awst 2006
|
|
Medi 2006
|
|
Hydref 2006
|
|
Tachwedd 2006
|
|
Rhagfyr 2006
|
|
Ionawr 2007
|
|
Chwefror 2007
|
|
Mawrth 2007
|
|
Ebrill 2007
|
|
Mai 2007
|
|
Mehefin 2007
|
|
Gorffennaf 2007
|
|
Awst 2007
|
|
Medi 2007
|
|
Hydref 2007
|
|
Tachwedd 2007
|
|
Rhagfyr 2007
|
|
Ionawr 2008
|
|
Chwefror 2008
|
|
Mawrth 2008
|
|
Ebrill 2008
|
|
Mai 2008
|
|
Mehefin 2008
|
|
Gorffennaf 2008
|
|
Awst 2008
|
|
Medi 2008
|
|
Hydref 2008
|
|
Tachwedd 2008
|
|
Rhagfyr 2008
|
|
Ionawr 2009
|
|
Chwefror 2009
|
|
Mawrth 2009
|
|
Ebrill 2009
|
|
Mai 2009
|
|
Mehefin 2009
|
|
Gorffennaf 2009
|
|
Awst 2009
|
|
Medi 2009
|
|
Hydref 2009
|
|
Tachwedd 2009
|
|
Rhagfyr 2009
|
|
Ionawr 2010
|
|
Chwefror 2010
|
|
Mawrth 2010
|
|
Ebrill 2010
|
|
Mai 2010
|
|
Mehefin 2010
|
|
Gorffennaf 2010
|
|
Awst 2010
|
|
Medi 2010
|
|
Hydref 2010
|
|
Tachwedd 2010
|
|
Rhagfyr 2010
|
|
Ionawr 2011
|
|
Chwefror 2011
|
|
Mawrth 2011
|
|
Ebrill 2011
|
|
Mai 2011
|
|
Mehefin 2011
|
|
Gorffennaf 2011
|
|
Awst 2011
|
|
Medi 2011
|
|
Hydref 2011
|
|
Tachwedd 2011
|
|
Rhagfyr 2011
|
|
Ionawr 2012
|
|
Chwefror 2012
|
|
Mawrth 2012
|
|
Ebrill 2012
|
|
Mai 2012
|
|
Mehefin 2012
|
|
Gorffennaf 2012
|
|
Awst 2012
|
|
Medi 2012
|
|
Hydref 2012
|
|
Tachwedd 2012
|
|
Rhagfyr 2012
|
|
Ionawr 2013
|
1.7
|
Chwefror 2013
|
1.9
|
Mawrth 2013
|
2.4
|
Ebrill 2013
|
2.1
|
Mai 2013
|
2.2
|
Mehefin 2013
|
2.1
|
Gorffennaf 2013
|
2.7
|
Awst 2013
|
3.2
|
Medi 2013
|
3.8
|
Hydref 2013
|
4.1
|
Tachwedd 2013
|
4.4
|
Rhagfyr 2013
|
5.8
|
Ionawr 2014
|
6.6
|
Chwefror 2014
|
7.1
|
Mawrth 2014
|
6.9
|
Ebrill 2014
|
8.3
|
Mai 2014
|
9.0
|
Mehefin 2014
|
9.0
|
Gorffennaf 2014
|
9.4
|
Awst 2014
|
10.0
|
Medi 2014
|
9.7
|
Hydref 2014
|
10.0
|
Tachwedd 2014
|
9.2
|
Rhagfyr 2014
|
8.1
|
Ionawr 2015
|
8.0
|
Chwefror 2015
|
7.6
|
Mawrth 2015
|
7.2
|
Ebrill 2015
|
6.2
|
Mai 2015
|
6.3
|
Mehefin 2015
|
6.2
|
Gorffennaf 2015
|
6.5
|
Awst 2015
|
6.2
|
Medi 2015
|
6.5
|
Hydref 2015
|
6.8
|
Tachwedd 2015
|
8.0
|
Rhagfyr 2015
|
8.3
|
Ionawr 2016
|
9.0
|
Chwefror 2016
|
8.8
|
Mawrth 2016
|
9.7
|
Ebrill 2016
|
9.0
|
Mai 2016
|
9.0
|
Mehefin 2016
|
9.1
|
Gorffennaf 2016
|
8.4
|
Awst 2016
|
7.4
|
Medi 2016
|
7.0
|
Hydref 2016
|
6.3
|
Tachwedd 2016
|
5.8
|
Rhagfyr 2016
|
5.7
|
Ionawr 2017
|
5.1
|
Chwefror 2017
|
5.4
|
Mawrth 2017
|
4.2
|
Ebrill 2017
|
4.9
|
Mai 2017
|
4.4
|
Mehefin 2017
|
4.4
|
Gorffennaf 2017
|
4.4
|
Awst 2017
|
4.9
|
Medi 2017
|
4.8
|
Hydref 2017
|
5.1
|
Tachwedd 2017
|
4.3
|
Rhagfyr 2017
|
4.4
|
Ionawr 2018
|
4.0
|
Chwefror 2018
|
4.1
|
Mawrth 2018
|
3.8
|
Ebrill 2018
|
3.2
|
Mai 2018
|
2.9
|
Mehefin 2018
|
2.7
|
Gorffennaf 2018
|
2.8
|
Awst 2018
|
2.4
|
Medi 2018
|
2.5
|
Hydref 2018
|
2.4
|
Tachwedd 2018
|
2.5
|
Rhagfyr 2018
|
1.6
|
Ionawr 2019
|
1.5
|
Chwefror 2019
|
1.0
|
Mawrth 2019
|
1.1
|
Ebrill 2019
|
0.9
|
Mai 2019
|
0.6
|
Mehefin 2019
|
0.3
|
Gorffennaf 2019
|
0.3
|
Awst 2019
|
0.3
|
Medi 2019
|
0.6
|
Hydref 2019
|
0.5
|
Tachwedd 2019
|
0.4
|
Rhagfyr 2019
|
0.8
|
Ionawr 2020
|
1.5
|
Chwefror 2020
|
1.0
|
Mawrth 2020
|
2.5
|
Ebrill 2020
|
0.9
|
Mai 2020
|
1.2
|
Mehefin 2020
|
2.1
|
Gorffennaf 2020
|
2.0
|
Awst 2020
|
2.8
|
Medi 2020
|
3.5
|
Hydref 2020
|
4.3
|
Tachwedd 2020
|
5.9
|
Rhagfyr 2020
|
6.8
|
Ionawr 2021
|
6.6
|
Chwefror 2021
|
7.7
|
Mawrth 2021
|
8.0
|
Ebrill 2021
|
7.5
|
Mai 2021
|
7.3
|
Mehefin 2021
|
12.0
|
Gorffennaf 2021
|
4.7
|
Awst 2021
|
7.1
|
Medi 2021
|
9.7
|
Hydref 2021
|
5.9
|
Tachwedd 2021
|
7.1
|
Rhagfyr 2021
|
6.9
|
Newid canrannol (misol)
yn ôl
statws cyllido
yn
Lloegr
cuddio
Dyddiad
|
Pryniannau morgais
|
Mehefin 1998
|
|
Gorffennaf 1998
|
|
Awst 1998
|
|
Medi 1998
|
|
Hydref 1998
|
|
Tachwedd 1998
|
|
Rhagfyr 1998
|
|
Ionawr 1999
|
|
Chwefror 1999
|
|
Mawrth 1999
|
|
Ebrill 1999
|
|
Mai 1999
|
|
Mehefin 1999
|
|
Gorffennaf 1999
|
|
Awst 1999
|
|
Medi 1999
|
|
Hydref 1999
|
|
Tachwedd 1999
|
|
Rhagfyr 1999
|
|
Ionawr 2000
|
|
Chwefror 2000
|
|
Mawrth 2000
|
|
Ebrill 2000
|
|
Mai 2000
|
|
Mehefin 2000
|
|
Gorffennaf 2000
|
|
Awst 2000
|
|
Medi 2000
|
|
Hydref 2000
|
|
Tachwedd 2000
|
|
Rhagfyr 2000
|
|
Ionawr 2001
|
|
Chwefror 2001
|
|
Mawrth 2001
|
|
Ebrill 2001
|
|
Mai 2001
|
|
Mehefin 2001
|
|
Gorffennaf 2001
|
|
Awst 2001
|
|
Medi 2001
|
|
Hydref 2001
|
|
Tachwedd 2001
|
|
Rhagfyr 2001
|
|
Ionawr 2002
|
|
Chwefror 2002
|
|
Mawrth 2002
|
|
Ebrill 2002
|
|
Mai 2002
|
|
Mehefin 2002
|
|
Gorffennaf 2002
|
|
Awst 2002
|
|
Medi 2002
|
|
Hydref 2002
|
|
Tachwedd 2002
|
|
Rhagfyr 2002
|
|
Ionawr 2003
|
|
Chwefror 2003
|
|
Mawrth 2003
|
|
Ebrill 2003
|
|
Mai 2003
|
|
Mehefin 2003
|
|
Gorffennaf 2003
|
|
Awst 2003
|
|
Medi 2003
|
|
Hydref 2003
|
|
Tachwedd 2003
|
|
Rhagfyr 2003
|
|
Ionawr 2004
|
|
Chwefror 2004
|
|
Mawrth 2004
|
|
Ebrill 2004
|
|
Mai 2004
|
|
Mehefin 2004
|
|
Gorffennaf 2004
|
|
Awst 2004
|
|
Medi 2004
|
|
Hydref 2004
|
|
Tachwedd 2004
|
|
Rhagfyr 2004
|
|
Ionawr 2005
|
|
Chwefror 2005
|
|
Mawrth 2005
|
|
Ebrill 2005
|
|
Mai 2005
|
|
Mehefin 2005
|
|
Gorffennaf 2005
|
|
Awst 2005
|
|
Medi 2005
|
|
Hydref 2005
|
|
Tachwedd 2005
|
|
Rhagfyr 2005
|
|
Ionawr 2006
|
|
Chwefror 2006
|
|
Mawrth 2006
|
|
Ebrill 2006
|
|
Mai 2006
|
|
Mehefin 2006
|
|
Gorffennaf 2006
|
|
Awst 2006
|
|
Medi 2006
|
|
Hydref 2006
|
|
Tachwedd 2006
|
|
Rhagfyr 2006
|
|
Ionawr 2007
|
|
Chwefror 2007
|
|
Mawrth 2007
|
|
Ebrill 2007
|
|
Mai 2007
|
|
Mehefin 2007
|
|
Gorffennaf 2007
|
|
Awst 2007
|
|
Medi 2007
|
|
Hydref 2007
|
|
Tachwedd 2007
|
|
Rhagfyr 2007
|
|
Ionawr 2008
|
|
Chwefror 2008
|
|
Mawrth 2008
|
|
Ebrill 2008
|
|
Mai 2008
|
|
Mehefin 2008
|
|
Gorffennaf 2008
|
|
Awst 2008
|
|
Medi 2008
|
|
Hydref 2008
|
|
Tachwedd 2008
|
|
Rhagfyr 2008
|
|
Ionawr 2009
|
|
Chwefror 2009
|
|
Mawrth 2009
|
|
Ebrill 2009
|
|
Mai 2009
|
|
Mehefin 2009
|
|
Gorffennaf 2009
|
|
Awst 2009
|
|
Medi 2009
|
|
Hydref 2009
|
|
Tachwedd 2009
|
|
Rhagfyr 2009
|
|
Ionawr 2010
|
|
Chwefror 2010
|
|
Mawrth 2010
|
|
Ebrill 2010
|
|
Mai 2010
|
|
Mehefin 2010
|
|
Gorffennaf 2010
|
|
Awst 2010
|
|
Medi 2010
|
|
Hydref 2010
|
|
Tachwedd 2010
|
|
Rhagfyr 2010
|
|
Ionawr 2011
|
|
Chwefror 2011
|
|
Mawrth 2011
|
|
Ebrill 2011
|
|
Mai 2011
|
|
Mehefin 2011
|
|
Gorffennaf 2011
|
|
Awst 2011
|
|
Medi 2011
|
|
Hydref 2011
|
|
Tachwedd 2011
|
|
Rhagfyr 2011
|
|
Ionawr 2012
|
|
Chwefror 2012
|
-0.0
|
Mawrth 2012
|
0.1
|
Ebrill 2012
|
1.2
|
Mai 2012
|
0.3
|
Mehefin 2012
|
1.0
|
Gorffennaf 2012
|
0.6
|
Awst 2012
|
0.2
|
Medi 2012
|
-0.3
|
Hydref 2012
|
-0.7
|
Tachwedd 2012
|
0.2
|
Rhagfyr 2012
|
-0.1
|
Ionawr 2013
|
-0.9
|
Chwefror 2013
|
0.2
|
Mawrth 2013
|
0.5
|
Ebrill 2013
|
1.0
|
Mai 2013
|
0.4
|
Mehefin 2013
|
0.9
|
Gorffennaf 2013
|
1.1
|
Awst 2013
|
0.8
|
Medi 2013
|
0.3
|
Hydref 2013
|
-0.3
|
Tachwedd 2013
|
0.5
|
Rhagfyr 2013
|
1.3
|
Ionawr 2014
|
-0.1
|
Chwefror 2014
|
0.6
|
Mawrth 2014
|
0.4
|
Ebrill 2014
|
2.3
|
Mai 2014
|
1.1
|
Mehefin 2014
|
0.9
|
Gorffennaf 2014
|
1.5
|
Awst 2014
|
1.3
|
Medi 2014
|
-0.0
|
Hydref 2014
|
-0.1
|
Tachwedd 2014
|
-0.3
|
Rhagfyr 2014
|
0.3
|
Ionawr 2015
|
-0.2
|
Chwefror 2015
|
0.3
|
Mawrth 2015
|
0.0
|
Ebrill 2015
|
1.3
|
Mai 2015
|
1.1
|
Mehefin 2015
|
0.8
|
Gorffennaf 2015
|
1.8
|
Awst 2015
|
1.0
|
Medi 2015
|
0.2
|
Hydref 2015
|
0.3
|
Tachwedd 2015
|
0.8
|
Rhagfyr 2015
|
0.6
|
Ionawr 2016
|
0.4
|
Chwefror 2016
|
0.1
|
Mawrth 2016
|
0.8
|
Ebrill 2016
|
0.7
|
Mai 2016
|
1.1
|
Mehefin 2016
|
0.9
|
Gorffennaf 2016
|
1.1
|
Awst 2016
|
0.1
|
Medi 2016
|
-0.2
|
Hydref 2016
|
-0.4
|
Tachwedd 2016
|
0.4
|
Rhagfyr 2016
|
0.4
|
Ionawr 2017
|
-0.1
|
Chwefror 2017
|
0.3
|
Mawrth 2017
|
-0.3
|
Ebrill 2017
|
1.4
|
Mai 2017
|
0.7
|
Mehefin 2017
|
0.8
|
Gorffennaf 2017
|
1.2
|
Awst 2017
|
0.5
|
Medi 2017
|
-0.2
|
Hydref 2017
|
-0.0
|
Tachwedd 2017
|
-0.4
|
Rhagfyr 2017
|
0.6
|
Ionawr 2018
|
-0.5
|
Chwefror 2018
|
0.4
|
Mawrth 2018
|
-0.6
|
Ebrill 2018
|
0.9
|
Mai 2018
|
0.4
|
Mehefin 2018
|
0.6
|
Gorffennaf 2018
|
1.2
|
Awst 2018
|
0.2
|
Medi 2018
|
-0.2
|
Hydref 2018
|
-0.1
|
Tachwedd 2018
|
-0.4
|
Rhagfyr 2018
|
-0.2
|
Ionawr 2019
|
-0.7
|
Chwefror 2019
|
-0.1
|
Mawrth 2019
|
-0.5
|
Ebrill 2019
|
0.7
|
Mai 2019
|
0.1
|
Mehefin 2019
|
0.4
|
Gorffennaf 2019
|
1.2
|
Awst 2019
|
0.2
|
Medi 2019
|
0.1
|
Hydref 2019
|
-0.3
|
Tachwedd 2019
|
-0.4
|
Rhagfyr 2019
|
0.1
|
Ionawr 2020
|
0.0
|
Chwefror 2020
|
-0.5
|
Mawrth 2020
|
1.0
|
Ebrill 2020
|
-0.9
|
Mai 2020
|
0.4
|
Mehefin 2020
|
1.2
|
Gorffennaf 2020
|
1.0
|
Awst 2020
|
1.1
|
Medi 2020
|
0.8
|
Hydref 2020
|
0.5
|
Tachwedd 2020
|
1.1
|
Rhagfyr 2020
|
0.9
|
Ionawr 2021
|
-0.1
|
Chwefror 2021
|
0.5
|
Mawrth 2021
|
1.2
|
Ebrill 2021
|
-1.4
|
Mai 2021
|
0.2
|
Mehefin 2021
|
5.7
|
Gorffennaf 2021
|
-5.6
|
Awst 2021
|
3.4
|
Medi 2021
|
3.3
|
Hydref 2021
|
-3.0
|
Tachwedd 2021
|
2.2
|
Rhagfyr 2021
|
0.7
|
Dyddiad
|
Pryniannau morgais
|
Mehefin 1998
|
|
Gorffennaf 1998
|
|
Awst 1998
|
|
Medi 1998
|
|
Hydref 1998
|
|
Tachwedd 1998
|
|
Rhagfyr 1998
|
|
Ionawr 1999
|
|
Chwefror 1999
|
|
Mawrth 1999
|
|
Ebrill 1999
|
|
Mai 1999
|
|
Mehefin 1999
|
|
Gorffennaf 1999
|
|
Awst 1999
|
|
Medi 1999
|
|
Hydref 1999
|
|
Tachwedd 1999
|
|
Rhagfyr 1999
|
|
Ionawr 2000
|
|
Chwefror 2000
|
|
Mawrth 2000
|
|
Ebrill 2000
|
|
Mai 2000
|
|
Mehefin 2000
|
|
Gorffennaf 2000
|
|
Awst 2000
|
|
Medi 2000
|
|
Hydref 2000
|
|
Tachwedd 2000
|
|
Rhagfyr 2000
|
|
Ionawr 2001
|
|
Chwefror 2001
|
|
Mawrth 2001
|
|
Ebrill 2001
|
|
Mai 2001
|
|
Mehefin 2001
|
|
Gorffennaf 2001
|
|
Awst 2001
|
|
Medi 2001
|
|
Hydref 2001
|
|
Tachwedd 2001
|
|
Rhagfyr 2001
|
|
Ionawr 2002
|
|
Chwefror 2002
|
|
Mawrth 2002
|
|
Ebrill 2002
|
|
Mai 2002
|
|
Mehefin 2002
|
|
Gorffennaf 2002
|
|
Awst 2002
|
|
Medi 2002
|
|
Hydref 2002
|
|
Tachwedd 2002
|
|
Rhagfyr 2002
|
|
Ionawr 2003
|
|
Chwefror 2003
|
|
Mawrth 2003
|
|
Ebrill 2003
|
|
Mai 2003
|
|
Mehefin 2003
|
|
Gorffennaf 2003
|
|
Awst 2003
|
|
Medi 2003
|
|
Hydref 2003
|
|
Tachwedd 2003
|
|
Rhagfyr 2003
|
|
Ionawr 2004
|
|
Chwefror 2004
|
|
Mawrth 2004
|
|
Ebrill 2004
|
|
Mai 2004
|
|
Mehefin 2004
|
|
Gorffennaf 2004
|
|
Awst 2004
|
|
Medi 2004
|
|
Hydref 2004
|
|
Tachwedd 2004
|
|
Rhagfyr 2004
|
|
Ionawr 2005
|
|
Chwefror 2005
|
|
Mawrth 2005
|
|
Ebrill 2005
|
|
Mai 2005
|
|
Mehefin 2005
|
|
Gorffennaf 2005
|
|
Awst 2005
|
|
Medi 2005
|
|
Hydref 2005
|
|
Tachwedd 2005
|
|
Rhagfyr 2005
|
|
Ionawr 2006
|
|
Chwefror 2006
|
|
Mawrth 2006
|
|
Ebrill 2006
|
|
Mai 2006
|
|
Mehefin 2006
|
|
Gorffennaf 2006
|
|
Awst 2006
|
|
Medi 2006
|
|
Hydref 2006
|
|
Tachwedd 2006
|
|
Rhagfyr 2006
|
|
Ionawr 2007
|
|
Chwefror 2007
|
|
Mawrth 2007
|
|
Ebrill 2007
|
|
Mai 2007
|
|
Mehefin 2007
|
|
Gorffennaf 2007
|
|
Awst 2007
|
|
Medi 2007
|
|
Hydref 2007
|
|
Tachwedd 2007
|
|
Rhagfyr 2007
|
|
Ionawr 2008
|
|
Chwefror 2008
|
|
Mawrth 2008
|
|
Ebrill 2008
|
|
Mai 2008
|
|
Mehefin 2008
|
|
Gorffennaf 2008
|
|
Awst 2008
|
|
Medi 2008
|
|
Hydref 2008
|
|
Tachwedd 2008
|
|
Rhagfyr 2008
|
|
Ionawr 2009
|
|
Chwefror 2009
|
|
Mawrth 2009
|
|
Ebrill 2009
|
|
Mai 2009
|
|
Mehefin 2009
|
|
Gorffennaf 2009
|
|
Awst 2009
|
|
Medi 2009
|
|
Hydref 2009
|
|
Tachwedd 2009
|
|
Rhagfyr 2009
|
|
Ionawr 2010
|
|
Chwefror 2010
|
|
Mawrth 2010
|
|
Ebrill 2010
|
|
Mai 2010
|
|
Mehefin 2010
|
|
Gorffennaf 2010
|
|
Awst 2010
|
|
Medi 2010
|
|
Hydref 2010
|
|
Tachwedd 2010
|
|
Rhagfyr 2010
|
|
Ionawr 2011
|
|
Chwefror 2011
|
|
Mawrth 2011
|
|
Ebrill 2011
|
|
Mai 2011
|
|
Mehefin 2011
|
|
Gorffennaf 2011
|
|
Awst 2011
|
|
Medi 2011
|
|
Hydref 2011
|
|
Tachwedd 2011
|
|
Rhagfyr 2011
|
|
Ionawr 2012
|
85.4
|
Chwefror 2012
|
85.4
|
Mawrth 2012
|
85.4
|
Ebrill 2012
|
86.5
|
Mai 2012
|
86.8
|
Mehefin 2012
|
87.6
|
Gorffennaf 2012
|
88.1
|
Awst 2012
|
88.3
|
Medi 2012
|
88.1
|
Hydref 2012
|
87.5
|
Tachwedd 2012
|
87.6
|
Rhagfyr 2012
|
87.6
|
Ionawr 2013
|
86.8
|
Chwefror 2013
|
87.0
|
Mawrth 2013
|
87.5
|
Ebrill 2013
|
88.3
|
Mai 2013
|
88.7
|
Mehefin 2013
|
89.5
|
Gorffennaf 2013
|
90.5
|
Awst 2013
|
91.2
|
Medi 2013
|
91.4
|
Hydref 2013
|
91.1
|
Tachwedd 2013
|
91.5
|
Rhagfyr 2013
|
92.7
|
Ionawr 2014
|
92.6
|
Chwefror 2014
|
93.2
|
Mawrth 2014
|
93.5
|
Ebrill 2014
|
95.6
|
Mai 2014
|
96.6
|
Mehefin 2014
|
97.5
|
Gorffennaf 2014
|
99.0
|
Awst 2014
|
100.3
|
Medi 2014
|
100.3
|
Hydref 2014
|
100.2
|
Tachwedd 2014
|
99.9
|
Rhagfyr 2014
|
100.2
|
Ionawr 2015
|
100.0
|
Chwefror 2015
|
100.3
|
Mawrth 2015
|
100.3
|
Ebrill 2015
|
101.6
|
Mai 2015
|
102.8
|
Mehefin 2015
|
103.6
|
Gorffennaf 2015
|
105.4
|
Awst 2015
|
106.5
|
Medi 2015
|
106.8
|
Hydref 2015
|
107.1
|
Tachwedd 2015
|
107.9
|
Rhagfyr 2015
|
108.6
|
Ionawr 2016
|
109.0
|
Chwefror 2016
|
109.1
|
Mawrth 2016
|
110.0
|
Ebrill 2016
|
110.8
|
Mai 2016
|
112.0
|
Mehefin 2016
|
113.0
|
Gorffennaf 2016
|
114.3
|
Awst 2016
|
114.4
|
Medi 2016
|
114.2
|
Hydref 2016
|
113.8
|
Tachwedd 2016
|
114.2
|
Rhagfyr 2016
|
114.7
|
Ionawr 2017
|
114.6
|
Chwefror 2017
|
115.0
|
Mawrth 2017
|
114.6
|
Ebrill 2017
|
116.2
|
Mai 2017
|
117.0
|
Mehefin 2017
|
117.9
|
Gorffennaf 2017
|
119.3
|
Awst 2017
|
120.0
|
Medi 2017
|
119.7
|
Hydref 2017
|
119.6
|
Tachwedd 2017
|
119.1
|
Rhagfyr 2017
|
119.8
|
Ionawr 2018
|
119.2
|
Chwefror 2018
|
119.7
|
Mawrth 2018
|
118.9
|
Ebrill 2018
|
120.0
|
Mai 2018
|
120.4
|
Mehefin 2018
|
121.2
|
Gorffennaf 2018
|
122.6
|
Awst 2018
|
122.9
|
Medi 2018
|
122.7
|
Hydref 2018
|
122.5
|
Tachwedd 2018
|
122.0
|
Rhagfyr 2018
|
121.8
|
Ionawr 2019
|
121.0
|
Chwefror 2019
|
120.9
|
Mawrth 2019
|
120.2
|
Ebrill 2019
|
121.0
|
Mai 2019
|
121.1
|
Mehefin 2019
|
121.6
|
Gorffennaf 2019
|
123.0
|
Awst 2019
|
123.3
|
Medi 2019
|
123.4
|
Hydref 2019
|
123.1
|
Tachwedd 2019
|
122.6
|
Rhagfyr 2019
|
122.7
|
Ionawr 2020
|
122.7
|
Chwefror 2020
|
122.1
|
Mawrth 2020
|
123.3
|
Ebrill 2020
|
122.1
|
Mai 2020
|
122.6
|
Mehefin 2020
|
124.1
|
Gorffennaf 2020
|
125.4
|
Awst 2020
|
126.7
|
Medi 2020
|
127.8
|
Hydref 2020
|
128.4
|
Tachwedd 2020
|
129.8
|
Rhagfyr 2020
|
131.0
|
Ionawr 2021
|
130.8
|
Chwefror 2021
|
131.5
|
Mawrth 2021
|
133.1
|
Ebrill 2021
|
131.3
|
Mai 2021
|
131.5
|
Mehefin 2021
|
139.1
|
Gorffennaf 2021
|
131.2
|
Awst 2021
|
135.7
|
Medi 2021
|
140.1
|
Hydref 2021
|
136.0
|
Tachwedd 2021
|
139.0
|
Rhagfyr 2021
|
140.0
|
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
|
Eiddo presennol
|
Mehefin 1998
|
78755.0
|
63641.0
|
Gorffennaf 1998
|
79429.0
|
64500.0
|
Awst 1998
|
80193.0
|
64722.0
|
Medi 1998
|
78954.0
|
64692.0
|
Hydref 1998
|
79992.0
|
64431.0
|
Tachwedd 1998
|
80421.0
|
64282.0
|
Rhagfyr 1998
|
81197.0
|
64440.0
|
Ionawr 1999
|
81805.0
|
64592.0
|
Chwefror 1999
|
80857.0
|
64409.0
|
Mawrth 1999
|
81730.0
|
65266.0
|
Ebrill 1999
|
82115.0
|
66620.0
|
Mai 1999
|
84212.0
|
67257.0
|
Mehefin 1999
|
84905.0
|
68317.0
|
Gorffennaf 1999
|
85858.0
|
69527.0
|
Awst 1999
|
86678.0
|
70642.0
|
Medi 1999
|
87773.0
|
71766.0
|
Hydref 1999
|
88746.0
|
72178.0
|
Tachwedd 1999
|
89246.0
|
73185.0
|
Rhagfyr 1999
|
91940.0
|
73858.0
|
Ionawr 2000
|
90840.0
|
74118.0
|
Chwefror 2000
|
92378.0
|
74429.0
|
Mawrth 2000
|
93431.0
|
75850.0
|
Ebrill 2000
|
95888.0
|
78496.0
|
Mai 2000
|
96992.0
|
79176.0
|
Mehefin 2000
|
97426.0
|
80146.0
|
Gorffennaf 2000
|
99223.0
|
81399.0
|
Awst 2000
|
101561.0
|
82217.0
|
Medi 2000
|
100847.0
|
82376.0
|
Hydref 2000
|
101188.0
|
81984.0
|
Tachwedd 2000
|
102722.0
|
82158.0
|
Rhagfyr 2000
|
103463.0
|
82797.0
|
Ionawr 2001
|
105421.0
|
82826.0
|
Chwefror 2001
|
105884.0
|
82648.0
|
Mawrth 2001
|
105333.0
|
83767.0
|
Ebrill 2001
|
108397.0
|
85899.0
|
Mai 2001
|
107686.0
|
87339.0
|
Mehefin 2001
|
110968.0
|
88441.0
|
Gorffennaf 2001
|
111655.0
|
89954.0
|
Awst 2001
|
114984.0
|
91744.0
|
Medi 2001
|
116773.0
|
91982.0
|
Hydref 2001
|
117549.0
|
92438.0
|
Tachwedd 2001
|
117679.0
|
93424.0
|
Rhagfyr 2001
|
120636.0
|
94173.0
|
Ionawr 2002
|
120904.0
|
94394.0
|
Chwefror 2002
|
123781.0
|
94670.0
|
Mawrth 2002
|
124009.0
|
97115.0
|
Ebrill 2002
|
127347.0
|
99437.0
|
Mai 2002
|
129117.0
|
102648.0
|
Mehefin 2002
|
132981.0
|
104885.0
|
Gorffennaf 2002
|
134624.0
|
108201.0
|
Awst 2002
|
138681.0
|
110939.0
|
Medi 2002
|
138315.0
|
112138.0
|
Hydref 2002
|
141758.0
|
113988.0
|
Tachwedd 2002
|
144304.0
|
116827.0
|
Rhagfyr 2002
|
146132.0
|
118075.0
|
Ionawr 2003
|
146196.0
|
119832.0
|
Chwefror 2003
|
148805.0
|
119778.0
|
Mawrth 2003
|
151176.0
|
121215.0
|
Ebrill 2003
|
153935.0
|
124218.0
|
Mai 2003
|
155479.0
|
126322.0
|
Mehefin 2003
|
158730.0
|
127202.0
|
Gorffennaf 2003
|
161149.0
|
130216.0
|
Awst 2003
|
161872.0
|
131865.0
|
Medi 2003
|
161105.0
|
131876.0
|
Hydref 2003
|
164051.0
|
133843.0
|
Tachwedd 2003
|
165754.0
|
135104.0
|
Rhagfyr 2003
|
167573.0
|
136914.0
|
Ionawr 2004
|
170440.0
|
137477.0
|
Chwefror 2004
|
172924.0
|
137877.0
|
Mawrth 2004
|
174231.0
|
140256.0
|
Ebrill 2004
|
174791.0
|
145317.0
|
Mai 2004
|
181272.0
|
147869.0
|
Mehefin 2004
|
187247.0
|
151067.0
|
Gorffennaf 2004
|
183714.0
|
154884.0
|
Awst 2004
|
187918.0
|
156724.0
|
Medi 2004
|
190270.0
|
157040.0
|
Hydref 2004
|
191059.0
|
157096.0
|
Tachwedd 2004
|
193738.0
|
157919.0
|
Rhagfyr 2004
|
195726.0
|
157261.0
|
Ionawr 2005
|
195855.0
|
155817.0
|
Chwefror 2005
|
198069.0
|
155635.0
|
Mawrth 2005
|
199400.0
|
156645.0
|
Ebrill 2005
|
202674.0
|
158191.0
|
Mai 2005
|
203189.0
|
160051.0
|
Mehefin 2005
|
203457.0
|
161137.0
|
Gorffennaf 2005
|
204669.0
|
162883.0
|
Awst 2005
|
206340.0
|
163471.0
|
Medi 2005
|
205362.0
|
163269.0
|
Hydref 2005
|
206565.0
|
162560.0
|
Tachwedd 2005
|
208080.0
|
163144.0
|
Rhagfyr 2005
|
210142.0
|
163979.0
|
Ionawr 2006
|
207043.0
|
163515.0
|
Chwefror 2006
|
211400.0
|
163517.0
|
Mawrth 2006
|
210269.0
|
164821.0
|
Ebrill 2006
|
213851.0
|
167919.0
|
Mai 2006
|
215407.0
|
169495.0
|
Mehefin 2006
|
215390.0
|
171170.0
|
Gorffennaf 2006
|
215482.0
|
173276.0
|
Awst 2006
|
214891.0
|
174904.0
|
Medi 2006
|
218044.0
|
175353.0
|
Hydref 2006
|
218656.0
|
176011.0
|
Tachwedd 2006
|
217366.0
|
176995.0
|
Rhagfyr 2006
|
222551.0
|
179056.0
|
Ionawr 2007
|
221671.0
|
178909.0
|
Chwefror 2007
|
222912.0
|
179436.0
|
Mawrth 2007
|
221442.0
|
180940.0
|
Ebrill 2007
|
224303.0
|
183946.0
|
Mai 2007
|
231428.0
|
185703.0
|
Mehefin 2007
|
229963.0
|
187946.0
|
Gorffennaf 2007
|
234995.0
|
190311.0
|
Awst 2007
|
229934.0
|
191696.0
|
Medi 2007
|
232821.0
|
191960.0
|
Hydref 2007
|
234235.0
|
191793.0
|
Tachwedd 2007
|
232794.0
|
191682.0
|
Rhagfyr 2007
|
235130.0
|
191383.0
|
Ionawr 2008
|
232440.0
|
188766.0
|
Chwefror 2008
|
235218.0
|
186611.0
|
Mawrth 2008
|
231109.0
|
185471.0
|
Ebrill 2008
|
231955.0
|
185892.0
|
Mai 2008
|
231887.0
|
186634.0
|
Mehefin 2008
|
227922.0
|
184350.0
|
Gorffennaf 2008
|
224152.0
|
183071.0
|
Awst 2008
|
215650.0
|
179130.0
|
Medi 2008
|
213316.0
|
174634.0
|
Hydref 2008
|
208545.0
|
170708.0
|
Tachwedd 2008
|
203304.0
|
165678.0
|
Rhagfyr 2008
|
197017.0
|
163633.0
|
Ionawr 2009
|
197631.0
|
160096.0
|
Chwefror 2009
|
196329.0
|
158338.0
|
Mawrth 2009
|
195730.0
|
156629.0
|
Ebrill 2009
|
195384.0
|
158143.0
|
Mai 2009
|
195321.0
|
160373.0
|
Mehefin 2009
|
195948.0
|
162279.0
|
Gorffennaf 2009
|
198128.0
|
165513.0
|
Awst 2009
|
197957.0
|
167641.0
|
Medi 2009
|
202831.0
|
168962.0
|
Hydref 2009
|
201544.0
|
170282.0
|
Tachwedd 2009
|
201781.0
|
170812.0
|
Rhagfyr 2009
|
202993.0
|
172145.0
|
Ionawr 2010
|
195086.0
|
173239.0
|
Chwefror 2010
|
204399.0
|
173357.0
|
Mawrth 2010
|
205246.0
|
172771.0
|
Ebrill 2010
|
203783.0
|
175077.0
|
Mai 2010
|
204094.0
|
176088.0
|
Mehefin 2010
|
205298.0
|
176968.0
|
Gorffennaf 2010
|
202978.0
|
179168.0
|
Awst 2010
|
206734.0
|
179180.0
|
Medi 2010
|
209094.0
|
178373.0
|
Hydref 2010
|
208146.0
|
176149.0
|
Tachwedd 2010
|
204274.0
|
174504.0
|
Rhagfyr 2010
|
208720.0
|
173877.0
|
Ionawr 2011
|
207235.0
|
172272.0
|
Chwefror 2011
|
206253.0
|
171666.0
|
Mawrth 2011
|
208274.0
|
170686.0
|
Ebrill 2011
|
209520.0
|
173227.0
|
Mai 2011
|
210449.0
|
172269.0
|
Mehefin 2011
|
206709.0
|
172740.0
|
Gorffennaf 2011
|
211163.0
|
174906.0
|
Awst 2011
|
207580.0
|
175369.0
|
Medi 2011
|
206804.0
|
174833.0
|
Hydref 2011
|
207115.0
|
173068.0
|
Tachwedd 2011
|
209032.0
|
172951.0
|
Rhagfyr 2011
|
207432.0
|
172656.0
|
Ionawr 2012
|
205044.0
|
172158.0
|
Chwefror 2012
|
204847.0
|
172155.0
|
Mawrth 2012
|
207377.0
|
172117.0
|
Ebrill 2012
|
208620.0
|
174427.0
|
Mai 2012
|
208720.0
|
174944.0
|
Mehefin 2012
|
209027.0
|
176736.0
|
Gorffennaf 2012
|
205690.0
|
178182.0
|
Awst 2012
|
207422.0
|
178437.0
|
Medi 2012
|
208715.0
|
177708.0
|
Hydref 2012
|
211742.0
|
176197.0
|
Tachwedd 2012
|
213072.0
|
176356.0
|
Rhagfyr 2012
|
213659.0
|
176029.0
|
Ionawr 2013
|
205855.0
|
174960.0
|
Chwefror 2013
|
207704.0
|
175223.0
|
Mawrth 2013
|
213547.0
|
175799.0
|
Ebrill 2013
|
214658.0
|
177567.0
|
Mai 2013
|
213899.0
|
178415.0
|
Mehefin 2013
|
214779.0
|
179937.0
|
Gorffennaf 2013
|
215611.0
|
182248.0
|
Awst 2013
|
216806.0
|
183635.0
|
Medi 2013
|
221198.0
|
183739.0
|
Hydref 2013
|
220560.0
|
183005.0
|
Tachwedd 2013
|
221752.0
|
183886.0
|
Rhagfyr 2013
|
227534.0
|
185884.0
|
Ionawr 2014
|
223903.0
|
185886.0
|
Chwefror 2014
|
228048.0
|
186714.0
|
Mawrth 2014
|
228440.0
|
187432.0
|
Ebrill 2014
|
233413.0
|
191595.0
|
Mai 2014
|
237592.0
|
193334.0
|
Mehefin 2014
|
236778.0
|
195335.0
|
Gorffennaf 2014
|
237621.0
|
198390.0
|
Awst 2014
|
238804.0
|
201098.0
|
Medi 2014
|
239076.0
|
201329.0
|
Hydref 2014
|
240369.0
|
200861.0
|
Tachwedd 2014
|
237833.0
|
200417.0
|
Rhagfyr 2014
|
243374.0
|
200646.0
|
Ionawr 2015
|
244200.0
|
200045.0
|
Chwefror 2015
|
246519.0
|
200505.0
|
Mawrth 2015
|
246970.0
|
200409.0
|
Ebrill 2015
|
247847.0
|
203087.0
|
Mai 2015
|
248835.0
|
205496.0
|
Mehefin 2015
|
246123.0
|
207374.0
|
Gorffennaf 2015
|
253441.0
|
210783.0
|
Awst 2015
|
253569.0
|
213151.0
|
Medi 2015
|
254776.0
|
213706.0
|
Hydref 2015
|
256987.0
|
213914.0
|
Tachwedd 2015
|
258134.0
|
215777.0
|
Rhagfyr 2015
|
266307.0
|
216419.0
|
Ionawr 2016
|
263325.0
|
217428.0
|
Chwefror 2016
|
259241.0
|
217967.0
|
Mawrth 2016
|
257103.0
|
220268.0
|
Ebrill 2016
|
275197.0
|
220330.0
|
Mai 2016
|
283166.0
|
222590.0
|
Mehefin 2016
|
276031.0
|
225201.0
|
Gorffennaf 2016
|
277537.0
|
227693.0
|
Awst 2016
|
276602.0
|
228077.0
|
Medi 2016
|
277750.0
|
227659.0
|
Hydref 2016
|
281720.0
|
226459.0
|
Tachwedd 2016
|
282447.0
|
227589.0
|
Rhagfyr 2016
|
283219.0
|
228462.0
|
Ionawr 2017
|
288641.0
|
227789.0
|
Chwefror 2017
|
287439.0
|
228999.0
|
Mawrth 2017
|
286711.0
|
228057.0
|
Ebrill 2017
|
287637.0
|
231418.0
|
Mai 2017
|
289874.0
|
233091.0
|
Mehefin 2017
|
288534.0
|
235110.0
|
Gorffennaf 2017
|
293592.0
|
237798.0
|
Awst 2017
|
292298.0
|
239141.0
|
Medi 2017
|
294791.0
|
238402.0
|
Hydref 2017
|
296594.0
|
238274.0
|
Tachwedd 2017
|
290317.0
|
237627.0
|
Rhagfyr 2017
|
294325.0
|
238778.0
|
Ionawr 2018
|
299871.0
|
237129.0
|
Chwefror 2018
|
310579.0
|
237093.0
|
Mawrth 2018
|
297391.0
|
236678.0
|
Ebrill 2018
|
301939.0
|
238401.0
|
Mai 2018
|
297329.0
|
240038.0
|
Mehefin 2018
|
299318.0
|
241519.0
|
Gorffennaf 2018
|
303818.0
|
244412.0
|
Awst 2018
|
306402.0
|
244857.0
|
Medi 2018
|
302711.0
|
244823.0
|
Hydref 2018
|
308358.0
|
243700.0
|
Tachwedd 2018
|
296680.0
|
243995.0
|
Rhagfyr 2018
|
301619.0
|
242858.0
|
Ionawr 2019
|
301995.0
|
240887.0
|
Chwefror 2019
|
310660.0
|
239857.0
|
Mawrth 2019
|
302213.0
|
239044.0
|
Ebrill 2019
|
305039.0
|
240628.0
|
Mai 2019
|
300956.0
|
241300.0
|
Mehefin 2019
|
297479.0
|
242640.0
|
Gorffennaf 2019
|
312265.0
|
244143.0
|
Awst 2019
|
304315.0
|
245710.0
|
Medi 2019
|
308933.0
|
245735.0
|
Hydref 2019
|
308052.0
|
244942.0
|
Tachwedd 2019
|
294234.0
|
245184.0
|
Rhagfyr 2019
|
295926.0
|
245273.0
|
Ionawr 2020
|
314045.0
|
243356.0
|
Chwefror 2020
|
301193.0
|
243573.0
|
Mawrth 2020
|
309991.0
|
245216.0
|
Ebrill 2020
|
314932.0
|
241590.0
|
Mai 2020
|
314370.0
|
242868.0
|
Mehefin 2020
|
301592.0
|
248071.0
|
Gorffennaf 2020
|
313490.0
|
249449.0
|
Awst 2020
|
315449.0
|
252133.0
|
Medi 2020
|
315662.0
|
254778.0
|
Hydref 2020
|
312573.0
|
256789.0
|
Tachwedd 2020
|
311567.0
|
260123.0
|
Rhagfyr 2020
|
315449.0
|
262558.0
|
Ionawr 2021
|
311175.0
|
262759.0
|
Chwefror 2021
|
316553.0
|
263883.0
|
Mawrth 2021
|
323095.0
|
266870.0
|
Ebrill 2021
|
322663.0
|
262559.0
|
Mai 2021
|
317424.0
|
263670.0
|
Mehefin 2021
|
324138.0
|
280590.0
|
Gorffennaf 2021
|
326272.0
|
262018.0
|
Awst 2021
|
319001.0
|
272931.0
|
Medi 2021
|
327795.0
|
282466.0
|
Hydref 2021
|
319233.0
|
273562.0
|
Tachwedd 2021
|
331138.0
|
279311.0
|
Rhagfyr 2021
|
322837.0
|
282696.0
|
Newid canrannol (blynyddol)
yn ôl
statws yr eiddo
yn
Lloegr
cuddio
Dyddiad
|
Adeilad newydd
|
Eiddo presennol
|
Mehefin 1998
|
10.1
|
9.2
|
Gorffennaf 1998
|
10.1
|
8.8
|
Awst 1998
|
10.1
|
8.0
|
Medi 1998
|
7.2
|
7.6
|
Hydref 1998
|
9.1
|
7.0
|
Tachwedd 1998
|
8.7
|
6.0
|
Rhagfyr 1998
|
8.3
|
6.3
|
Ionawr 1999
|
7.7
|
6.1
|
Chwefror 1999
|
5.6
|
6.3
|
Mawrth 1999
|
6.4
|
6.6
|
Ebrill 1999
|
5.4
|
6.3
|
Mai 1999
|
8.2
|
6.2
|
Mehefin 1999
|
7.8
|
7.4
|
Gorffennaf 1999
|
8.1
|
7.8
|
Awst 1999
|
8.1
|
9.2
|
Medi 1999
|
11.2
|
10.9
|
Hydref 1999
|
10.9
|
12.0
|
Tachwedd 1999
|
11.0
|
13.8
|
Rhagfyr 1999
|
13.2
|
14.6
|
Ionawr 2000
|
11.0
|
14.8
|
Chwefror 2000
|
14.2
|
15.6
|
Mawrth 2000
|
14.3
|
16.2
|
Ebrill 2000
|
16.8
|
17.8
|
Mai 2000
|
15.2
|
17.7
|
Mehefin 2000
|
14.8
|
17.3
|
Gorffennaf 2000
|
15.6
|
17.1
|
Awst 2000
|
17.2
|
16.4
|
Medi 2000
|
14.9
|
14.8
|
Hydref 2000
|
14.0
|
13.6
|
Tachwedd 2000
|
15.1
|
12.3
|
Rhagfyr 2000
|
12.5
|
12.1
|
Ionawr 2001
|
16.0
|
11.8
|
Chwefror 2001
|
14.6
|
11.0
|
Mawrth 2001
|
12.7
|
10.4
|
Ebrill 2001
|
13.0
|
9.4
|
Mai 2001
|
11.0
|
10.3
|
Mehefin 2001
|
13.9
|
10.4
|
Gorffennaf 2001
|
12.5
|
10.5
|
Awst 2001
|
13.2
|
11.6
|
Medi 2001
|
15.8
|
11.7
|
Hydref 2001
|
16.2
|
12.8
|
Tachwedd 2001
|
14.6
|
13.7
|
Rhagfyr 2001
|
16.6
|
13.7
|
Ionawr 2002
|
14.7
|
14.0
|
Chwefror 2002
|
16.9
|
14.6
|
Mawrth 2002
|
17.7
|
15.9
|
Ebrill 2002
|
17.5
|
15.8
|
Mai 2002
|
19.9
|
17.5
|
Mehefin 2002
|
19.8
|
18.6
|
Gorffennaf 2002
|
20.6
|
20.3
|
Awst 2002
|
20.6
|
20.9
|
Medi 2002
|
18.4
|
21.9
|
Hydref 2002
|
20.6
|
23.3
|
Tachwedd 2002
|
22.6
|
25.0
|
Rhagfyr 2002
|
21.1
|
25.4
|
Ionawr 2003
|
20.9
|
27.0
|
Chwefror 2003
|
20.2
|
26.5
|
Mawrth 2003
|
21.9
|
24.8
|
Ebrill 2003
|
20.9
|
24.9
|
Mai 2003
|
20.4
|
23.1
|
Mehefin 2003
|
19.4
|
21.3
|
Gorffennaf 2003
|
19.7
|
20.4
|
Awst 2003
|
16.7
|
18.9
|
Medi 2003
|
16.5
|
17.6
|
Hydref 2003
|
15.7
|
17.4
|
Tachwedd 2003
|
14.9
|
15.6
|
Rhagfyr 2003
|
14.7
|
16.0
|
Ionawr 2004
|
16.6
|
14.7
|
Chwefror 2004
|
16.2
|
15.1
|
Mawrth 2004
|
15.2
|
15.7
|
Ebrill 2004
|
13.6
|
17.0
|
Mai 2004
|
16.6
|
17.1
|
Mehefin 2004
|
18.0
|
18.8
|
Gorffennaf 2004
|
14.0
|
18.9
|
Awst 2004
|
16.1
|
18.8
|
Medi 2004
|
18.1
|
19.1
|
Hydref 2004
|
16.5
|
17.4
|
Tachwedd 2004
|
16.9
|
16.9
|
Rhagfyr 2004
|
16.8
|
14.9
|
Ionawr 2005
|
14.9
|
13.3
|
Chwefror 2005
|
14.5
|
12.9
|
Mawrth 2005
|
14.4
|
11.7
|
Ebrill 2005
|
16.0
|
8.9
|
Mai 2005
|
12.1
|
8.2
|
Mehefin 2005
|
8.7
|
6.7
|
Gorffennaf 2005
|
11.4
|
5.2
|
Awst 2005
|
9.8
|
4.3
|
Medi 2005
|
7.9
|
4.0
|
Hydref 2005
|
8.1
|
3.5
|
Tachwedd 2005
|
7.4
|
3.3
|
Rhagfyr 2005
|
7.4
|
4.3
|
Ionawr 2006
|
5.7
|
4.9
|
Chwefror 2006
|
6.7
|
5.1
|
Mawrth 2006
|
5.4
|
5.2
|
Ebrill 2006
|
5.5
|
6.2
|
Mai 2006
|
6.0
|
5.9
|
Mehefin 2006
|
5.9
|
6.2
|
Gorffennaf 2006
|
5.3
|
6.4
|
Awst 2006
|
4.1
|
7.0
|
Medi 2006
|
6.2
|
7.4
|
Hydref 2006
|
5.8
|
8.3
|
Tachwedd 2006
|
4.5
|
8.5
|
Rhagfyr 2006
|
5.9
|
9.2
|
Ionawr 2007
|
7.1
|
9.4
|
Chwefror 2007
|
5.4
|
9.7
|
Mawrth 2007
|
5.3
|
9.8
|
Ebrill 2007
|
4.9
|
9.5
|
Mai 2007
|
7.4
|
9.6
|
Mehefin 2007
|
6.8
|
9.8
|
Gorffennaf 2007
|
9.1
|
9.8
|
Awst 2007
|
7.0
|
9.6
|
Medi 2007
|
6.8
|
9.5
|
Hydref 2007
|
7.1
|
9.0
|
Tachwedd 2007
|
7.1
|
8.3
|
Rhagfyr 2007
|
5.6
|
6.9
|
Ionawr 2008
|
4.9
|
5.5
|
Chwefror 2008
|
5.5
|
4.0
|
Mawrth 2008
|
4.4
|
2.5
|
Ebrill 2008
|
3.4
|
1.1
|
Mai 2008
|
0.2
|
0.5
|
Mehefin 2008
|
-0.9
|
-1.9
|
Gorffennaf 2008
|
-4.6
|
-3.8
|
Awst 2008
|
-6.2
|
-6.6
|
Medi 2008
|
-8.4
|
-9.0
|
Hydref 2008
|
-11.0
|
-11.0
|
Tachwedd 2008
|
-12.7
|
-13.6
|
Rhagfyr 2008
|
-16.2
|
-14.5
|
Ionawr 2009
|
-15.0
|
-15.2
|
Chwefror 2009
|
-16.5
|
-15.2
|
Mawrth 2009
|
-15.3
|
-15.6
|
Ebrill 2009
|
-15.8
|
-14.9
|
Mai 2009
|
-15.8
|
-14.1
|
Mehefin 2009
|
-14.0
|
-12.0
|
Gorffennaf 2009
|
-11.6
|
-9.6
|
Awst 2009
|
-8.2
|
-6.4
|
Medi 2009
|
-4.9
|
-3.2
|
Hydref 2009
|
-3.4
|
-0.2
|
Tachwedd 2009
|
-0.8
|
3.1
|
Rhagfyr 2009
|
3.0
|
5.2
|
Ionawr 2010
|
-1.3
|
8.2
|
Chwefror 2010
|
4.1
|
9.5
|
Mawrth 2010
|
4.9
|
10.3
|
Ebrill 2010
|
4.3
|
10.7
|
Mai 2010
|
4.5
|
9.8
|
Mehefin 2010
|
4.8
|
9.0
|
Gorffennaf 2010
|
2.4
|
8.2
|
Awst 2010
|
4.4
|
6.9
|
Medi 2010
|
3.1
|
5.6
|
Hydref 2010
|
3.3
|
3.4
|
Tachwedd 2010
|
1.2
|
2.2
|
Rhagfyr 2010
|
2.8
|
1.0
|
Ionawr 2011
|
6.2
|
-0.6
|
Chwefror 2011
|
0.9
|
-1.0
|
Mawrth 2011
|
1.5
|
-1.2
|
Ebrill 2011
|
2.8
|
-1.1
|
Mai 2011
|
3.1
|
-2.2
|
Mehefin 2011
|
0.7
|
-2.4
|
Gorffennaf 2011
|
4.0
|
-2.4
|
Awst 2011
|
0.4
|
-2.1
|
Medi 2011
|
-1.1
|
-2.0
|
Hydref 2011
|
-0.5
|
-1.8
|
Tachwedd 2011
|
2.3
|
-0.9
|
Rhagfyr 2011
|
-0.6
|
-0.7
|
Ionawr 2012
|
-1.1
|
-0.1
|
Chwefror 2012
|
-0.7
|
0.3
|
Mawrth 2012
|
-0.4
|
0.8
|
Ebrill 2012
|
-0.4
|
0.7
|
Mai 2012
|
-0.8
|
1.6
|
Mehefin 2012
|
1.1
|
2.3
|
Gorffennaf 2012
|
-2.6
|
1.9
|
Awst 2012
|
-0.1
|
1.8
|
Medi 2012
|
0.9
|
1.6
|
Hydref 2012
|
2.2
|
1.8
|
Tachwedd 2012
|
1.9
|
2.0
|
Rhagfyr 2012
|
3.0
|
2.0
|
Ionawr 2013
|
0.4
|
1.6
|
Chwefror 2013
|
1.4
|
1.8
|
Mawrth 2013
|
3.0
|
2.1
|
Ebrill 2013
|
2.9
|
1.8
|
Mai 2013
|
2.5
|
2.0
|
Mehefin 2013
|
2.8
|
1.8
|
Gorffennaf 2013
|
4.8
|
2.3
|
Awst 2013
|
4.5
|
2.9
|
Medi 2013
|
6.0
|
3.4
|
Hydref 2013
|
4.2
|
3.9
|
Tachwedd 2013
|
4.1
|
4.3
|
Rhagfyr 2013
|
6.5
|
5.6
|
Ionawr 2014
|
8.8
|
6.2
|
Chwefror 2014
|
9.8
|
6.6
|
Mawrth 2014
|
7.0
|
6.6
|
Ebrill 2014
|
8.7
|
7.9
|
Mai 2014
|
11.1
|
8.4
|
Mehefin 2014
|
10.2
|
8.6
|
Gorffennaf 2014
|
10.2
|
8.9
|
Awst 2014
|
10.2
|
9.5
|
Medi 2014
|
8.1
|
9.6
|
Hydref 2014
|
9.0
|
9.8
|
Tachwedd 2014
|
7.2
|
9.0
|
Rhagfyr 2014
|
7.0
|
7.9
|
Ionawr 2015
|
9.1
|
7.6
|
Chwefror 2015
|
8.1
|
7.4
|
Mawrth 2015
|
8.1
|
6.9
|
Ebrill 2015
|
6.2
|
6.0
|
Mai 2015
|
4.7
|
6.3
|
Mehefin 2015
|
4.0
|
6.2
|
Gorffennaf 2015
|
6.7
|
6.2
|
Awst 2015
|
6.2
|
6.0
|
Medi 2015
|
6.6
|
6.2
|
Hydref 2015
|
6.9
|
6.5
|
Tachwedd 2015
|
8.5
|
7.7
|
Rhagfyr 2015
|
9.4
|
7.9
|
Ionawr 2016
|
7.8
|
8.7
|
Chwefror 2016
|
5.2
|
8.7
|
Mawrth 2016
|
4.1
|
9.9
|
Ebrill 2016
|
11.0
|
8.5
|
Mai 2016
|
13.8
|
8.3
|
Mehefin 2016
|
12.2
|
8.6
|
Gorffennaf 2016
|
9.5
|
8.0
|
Awst 2016
|
9.1
|
7.0
|
Medi 2016
|
9.0
|
6.5
|
Hydref 2016
|
9.6
|
5.9
|
Tachwedd 2016
|
9.4
|
5.5
|
Rhagfyr 2016
|
6.4
|
5.6
|
Ionawr 2017
|
9.6
|
4.8
|
Chwefror 2017
|
10.9
|
5.1
|
Mawrth 2017
|
11.5
|
3.5
|
Ebrill 2017
|
4.5
|
5.0
|
Mai 2017
|
2.4
|
4.7
|
Mehefin 2017
|
4.5
|
4.4
|
Gorffennaf 2017
|
5.8
|
4.4
|
Awst 2017
|
5.7
|
4.8
|
Medi 2017
|
6.1
|
4.7
|
Hydref 2017
|
5.3
|
5.2
|
Tachwedd 2017
|
2.8
|
4.4
|
Rhagfyr 2017
|
3.9
|
4.5
|
Ionawr 2018
|
3.9
|
4.1
|
Chwefror 2018
|
8.0
|
3.5
|
Mawrth 2018
|
3.7
|
3.8
|
Ebrill 2018
|
5.0
|
3.0
|
Mai 2018
|
2.6
|
3.0
|
Mehefin 2018
|
3.7
|
2.7
|
Gorffennaf 2018
|
3.5
|
2.8
|
Awst 2018
|
4.8
|
2.4
|
Medi 2018
|
2.7
|
2.7
|
Hydref 2018
|
4.0
|
2.3
|
Tachwedd 2018
|
2.2
|
2.7
|
Rhagfyr 2018
|
2.5
|
1.7
|
Ionawr 2019
|
0.7
|
1.6
|
Chwefror 2019
|
0.0
|
1.2
|
Mawrth 2019
|
1.6
|
1.0
|
Ebrill 2019
|
1.0
|
0.9
|
Mai 2019
|
1.2
|
0.5
|
Mehefin 2019
|
-0.6
|
0.5
|
Gorffennaf 2019
|
2.8
|
-0.1
|
Awst 2019
|
-0.7
|
0.4
|
Medi 2019
|
2.1
|
0.4
|
Hydref 2019
|
-0.1
|
0.5
|
Tachwedd 2019
|
-0.8
|
0.5
|
Rhagfyr 2019
|
-1.9
|
1.0
|
Ionawr 2020
|
4.0
|
1.0
|
Chwefror 2020
|
-3.0
|
1.6
|
Mawrth 2020
|
2.6
|
2.6
|
Ebrill 2020
|
3.2
|
0.4
|
Mai 2020
|
4.5
|
0.6
|
Mehefin 2020
|
1.4
|
2.2
|
Gorffennaf 2020
|
0.4
|
2.2
|
Awst 2020
|
3.7
|
2.6
|
Medi 2020
|
2.2
|
3.7
|
Hydref 2020
|
1.5
|
4.8
|
Tachwedd 2020
|
5.9
|
6.1
|
Rhagfyr 2020
|
6.6
|
7.0
|
Ionawr 2021
|
-0.9
|
8.0
|
Chwefror 2021
|
5.1
|
8.3
|
Mawrth 2021
|
4.2
|
8.8
|
Ebrill 2021
|
2.5
|
8.7
|
Mai 2021
|
1.0
|
8.6
|
Mehefin 2021
|
7.5
|
13.1
|
Gorffennaf 2021
|
4.1
|
5.0
|
Awst 2021
|
1.1
|
8.2
|
Medi 2021
|
3.8
|
10.9
|
Hydref 2021
|
2.1
|
6.5
|
Tachwedd 2021
|
6.3
|
7.4
|
Rhagfyr 2021
|
2.3
|
7.7
|
Newid canrannol (misol)
yn ôl
statws yr eiddo
yn
Lloegr
cuddio
Dyddiad
|
Adeilad newydd
|
Eiddo presennol
|
Mehefin 1998
|
1.1
|
0.5
|
Gorffennaf 1998
|
0.9
|
1.4
|
Awst 1998
|
1.0
|
0.3
|
Medi 1998
|
-1.6
|
-0.1
|
Hydref 1998
|
1.3
|
-0.4
|
Tachwedd 1998
|
0.5
|
-0.2
|
Rhagfyr 1998
|
1.0
|
0.2
|
Ionawr 1999
|
0.8
|
0.2
|
Chwefror 1999
|
-1.2
|
-0.3
|
Mawrth 1999
|
1.1
|
1.3
|
Ebrill 1999
|
0.5
|
2.1
|
Mai 1999
|
2.6
|
1.0
|
Mehefin 1999
|
0.8
|
1.6
|
Gorffennaf 1999
|
1.1
|
1.8
|
Awst 1999
|
1.0
|
1.6
|
Medi 1999
|
1.3
|
1.6
|
Hydref 1999
|
1.1
|
0.6
|
Tachwedd 1999
|
0.6
|
1.4
|
Rhagfyr 1999
|
3.0
|
0.9
|
Ionawr 2000
|
-1.2
|
0.4
|
Chwefror 2000
|
1.7
|
0.4
|
Mawrth 2000
|
1.1
|
1.9
|
Ebrill 2000
|
2.6
|
3.5
|
Mai 2000
|
1.2
|
0.9
|
Mehefin 2000
|
0.4
|
1.2
|
Gorffennaf 2000
|
1.8
|
1.6
|
Awst 2000
|
2.4
|
1.0
|
Medi 2000
|
-0.7
|
0.2
|
Hydref 2000
|
0.3
|
-0.5
|
Tachwedd 2000
|
1.5
|
0.2
|
Rhagfyr 2000
|
0.7
|
0.8
|
Ionawr 2001
|
1.9
|
0.0
|
Chwefror 2001
|
0.4
|
-0.2
|
Mawrth 2001
|
-0.5
|
1.4
|
Ebrill 2001
|
2.9
|
2.5
|
Mai 2001
|
-0.7
|
1.7
|
Mehefin 2001
|
3.0
|
1.3
|
Gorffennaf 2001
|
0.6
|
1.7
|
Awst 2001
|
3.0
|
2.0
|
Medi 2001
|
1.6
|
0.3
|
Hydref 2001
|
0.7
|
0.5
|
Tachwedd 2001
|
0.1
|
1.1
|
Rhagfyr 2001
|
2.5
|
0.8
|
Ionawr 2002
|
0.2
|
0.2
|
Chwefror 2002
|
2.4
|
0.3
|
Mawrth 2002
|
0.2
|
2.6
|
Ebrill 2002
|
2.7
|
2.4
|
Mai 2002
|
1.4
|
3.2
|
Mehefin 2002
|
3.0
|
2.2
|
Gorffennaf 2002
|
1.2
|
3.2
|
Awst 2002
|
3.0
|
2.5
|
Medi 2002
|
-0.3
|
1.1
|
Hydref 2002
|
2.5
|
1.6
|
Tachwedd 2002
|
1.8
|
2.5
|
Rhagfyr 2002
|
1.3
|
1.1
|
Ionawr 2003
|
0.0
|
1.5
|
Chwefror 2003
|
1.8
|
-0.1
|
Mawrth 2003
|
1.6
|
1.2
|
Ebrill 2003
|
1.8
|
2.5
|
Mai 2003
|
1.0
|
1.7
|
Mehefin 2003
|
2.1
|
0.7
|
Gorffennaf 2003
|
1.5
|
2.4
|
Awst 2003
|
0.4
|
1.3
|
Medi 2003
|
-0.5
|
0.0
|
Hydref 2003
|
1.8
|
1.5
|
Tachwedd 2003
|
1.0
|
0.9
|
Rhagfyr 2003
|
1.1
|
1.3
|
Ionawr 2004
|
1.7
|
0.4
|
Chwefror 2004
|
1.5
|
0.3
|
Mawrth 2004
|
0.8
|
1.7
|
Ebrill 2004
|
0.3
|
3.6
|
Mai 2004
|
3.7
|
1.8
|
Mehefin 2004
|
3.3
|
2.2
|
Gorffennaf 2004
|
-1.9
|
2.5
|
Awst 2004
|
2.3
|
1.2
|
Medi 2004
|
1.2
|
0.2
|
Hydref 2004
|
0.4
|
0.0
|
Tachwedd 2004
|
1.4
|
0.5
|
Rhagfyr 2004
|
1.0
|
-0.4
|
Ionawr 2005
|
0.1
|
-0.9
|
Chwefror 2005
|
1.1
|
-0.1
|
Mawrth 2005
|
0.7
|
0.6
|
Ebrill 2005
|
1.6
|
1.0
|
Mai 2005
|
0.2
|
1.2
|
Mehefin 2005
|
0.1
|
0.7
|
Gorffennaf 2005
|
0.6
|
1.1
|
Awst 2005
|
0.8
|
0.4
|
Medi 2005
|
-0.5
|
-0.1
|
Hydref 2005
|
0.6
|
-0.4
|
Tachwedd 2005
|
0.7
|
0.4
|
Rhagfyr 2005
|
1.0
|
0.5
|
Ionawr 2006
|
-1.5
|
-0.3
|
Chwefror 2006
|
2.1
|
0.0
|
Mawrth 2006
|
-0.5
|
0.8
|
Ebrill 2006
|
1.7
|
1.9
|
Mai 2006
|
0.7
|
0.9
|
Mehefin 2006
|
-0.0
|
1.0
|
Gorffennaf 2006
|
0.0
|
1.2
|
Awst 2006
|
-0.3
|
0.9
|
Medi 2006
|
1.5
|
0.3
|
Hydref 2006
|
0.3
|
0.4
|
Tachwedd 2006
|
-0.6
|
0.6
|
Rhagfyr 2006
|
2.4
|
1.2
|
Ionawr 2007
|
-0.4
|
-0.1
|
Chwefror 2007
|
0.6
|
0.3
|
Mawrth 2007
|
-0.7
|
0.8
|
Ebrill 2007
|
1.3
|
1.7
|
Mai 2007
|
3.2
|
1.0
|
Mehefin 2007
|
-0.6
|
1.2
|
Gorffennaf 2007
|
2.2
|
1.3
|
Awst 2007
|
-2.2
|
0.7
|
Medi 2007
|
1.3
|
0.1
|
Hydref 2007
|
0.6
|
-0.1
|
Tachwedd 2007
|
-0.6
|
-0.1
|
Rhagfyr 2007
|
1.0
|
-0.2
|
Ionawr 2008
|
-1.1
|
-1.4
|
Chwefror 2008
|
1.2
|
-1.1
|
Mawrth 2008
|
-1.8
|
-0.6
|
Ebrill 2008
|
0.4
|
0.2
|
Mai 2008
|
-0.0
|
0.4
|
Mehefin 2008
|
-1.7
|
-1.2
|
Gorffennaf 2008
|
-1.6
|
-0.7
|
Awst 2008
|
-3.8
|
-2.2
|
Medi 2008
|
-1.1
|
-2.5
|
Hydref 2008
|
-2.2
|
-2.2
|
Tachwedd 2008
|
-2.5
|
-3.0
|
Rhagfyr 2008
|
-3.1
|
-1.2
|
Ionawr 2009
|
0.3
|
-2.2
|
Chwefror 2009
|
-0.7
|
-1.1
|
Mawrth 2009
|
-0.3
|
-1.1
|
Ebrill 2009
|
-0.2
|
1.0
|
Mai 2009
|
-0.0
|
1.4
|
Mehefin 2009
|
0.3
|
1.2
|
Gorffennaf 2009
|
1.1
|
2.0
|
Awst 2009
|
-0.1
|
1.3
|
Medi 2009
|
2.5
|
0.8
|
Hydref 2009
|
-0.6
|
0.8
|
Tachwedd 2009
|
0.1
|
0.3
|
Rhagfyr 2009
|
0.6
|
0.8
|
Ionawr 2010
|
-3.9
|
0.6
|
Chwefror 2010
|
4.8
|
0.1
|
Mawrth 2010
|
0.4
|
-0.3
|
Ebrill 2010
|
-0.7
|
1.3
|
Mai 2010
|
0.2
|
0.6
|
Mehefin 2010
|
0.6
|
0.5
|
Gorffennaf 2010
|
-1.1
|
1.2
|
Awst 2010
|
1.8
|
0.0
|
Medi 2010
|
1.1
|
-0.4
|
Hydref 2010
|
-0.4
|
-1.2
|
Tachwedd 2010
|
-1.9
|
-0.9
|
Rhagfyr 2010
|
2.2
|
-0.4
|
Ionawr 2011
|
-0.7
|
-0.9
|
Chwefror 2011
|
-0.5
|
-0.4
|
Mawrth 2011
|
1.0
|
-0.6
|
Ebrill 2011
|
0.6
|
1.5
|
Mai 2011
|
0.4
|
-0.6
|
Mehefin 2011
|
-1.8
|
0.3
|
Gorffennaf 2011
|
2.2
|
1.2
|
Awst 2011
|
-1.7
|
0.3
|
Medi 2011
|
-0.4
|
-0.3
|
Hydref 2011
|
0.2
|
-1.0
|
Tachwedd 2011
|
0.9
|
-0.1
|
Rhagfyr 2011
|
-0.8
|
-0.2
|
Ionawr 2012
|
-1.2
|
-0.3
|
Chwefror 2012
|
-0.1
|
0.0
|
Mawrth 2012
|
1.2
|
-0.0
|
Ebrill 2012
|
0.6
|
1.3
|
Mai 2012
|
0.1
|
0.3
|
Mehefin 2012
|
0.2
|
1.0
|
Gorffennaf 2012
|
-1.6
|
0.8
|
Awst 2012
|
0.8
|
0.1
|
Medi 2012
|
0.6
|
-0.4
|
Hydref 2012
|
1.4
|
-0.8
|
Tachwedd 2012
|
0.6
|
0.1
|
Rhagfyr 2012
|
0.3
|
-0.2
|
Ionawr 2013
|
-3.6
|
-0.6
|
Chwefror 2013
|
0.9
|
0.2
|
Mawrth 2013
|
2.8
|
0.3
|
Ebrill 2013
|
0.5
|
1.0
|
Mai 2013
|
-0.4
|
0.5
|
Mehefin 2013
|
0.4
|
0.8
|
Gorffennaf 2013
|
0.4
|
1.3
|
Awst 2013
|
0.6
|
0.8
|
Medi 2013
|
2.0
|
0.1
|
Hydref 2013
|
-0.3
|
-0.4
|
Tachwedd 2013
|
0.5
|
0.5
|
Rhagfyr 2013
|
2.6
|
1.1
|
Ionawr 2014
|
-1.6
|
0.0
|
Chwefror 2014
|
1.8
|
0.4
|
Mawrth 2014
|
0.2
|
0.4
|
Ebrill 2014
|
2.2
|
2.2
|
Mai 2014
|
1.8
|
0.9
|
Mehefin 2014
|
-0.3
|
1.0
|
Gorffennaf 2014
|
0.4
|
1.6
|
Awst 2014
|
0.5
|
1.4
|
Medi 2014
|
0.1
|
0.1
|
Hydref 2014
|
0.5
|
-0.2
|
Tachwedd 2014
|
-1.1
|
-0.2
|
Rhagfyr 2014
|
2.3
|
0.1
|
Ionawr 2015
|
0.3
|
-0.3
|
Chwefror 2015
|
1.0
|
0.2
|
Mawrth 2015
|
0.2
|
-0.1
|
Ebrill 2015
|
0.4
|
1.3
|
Mai 2015
|
0.4
|
1.2
|
Mehefin 2015
|
-1.1
|
0.9
|
Gorffennaf 2015
|
3.0
|
1.6
|
Awst 2015
|
0.1
|
1.1
|
Medi 2015
|
0.5
|
0.3
|
Hydref 2015
|
0.9
|
0.1
|
Tachwedd 2015
|
0.4
|
0.9
|
Rhagfyr 2015
|
3.2
|
0.3
|
Ionawr 2016
|
-1.1
|
0.5
|
Chwefror 2016
|
-1.6
|
0.2
|
Mawrth 2016
|
-0.8
|
1.1
|
Ebrill 2016
|
7.0
|
0.0
|
Mai 2016
|
2.9
|
1.0
|
Mehefin 2016
|
-2.5
|
1.2
|
Gorffennaf 2016
|
0.6
|
1.1
|
Awst 2016
|
-0.3
|
0.2
|
Medi 2016
|
0.4
|
-0.2
|
Hydref 2016
|
1.4
|
-0.5
|
Tachwedd 2016
|
0.3
|
0.5
|
Rhagfyr 2016
|
0.3
|
0.4
|
Ionawr 2017
|
1.9
|
-0.3
|
Chwefror 2017
|
-0.4
|
0.5
|
Mawrth 2017
|
-0.2
|
-0.4
|
Ebrill 2017
|
0.3
|
1.5
|
Mai 2017
|
0.8
|
0.7
|
Mehefin 2017
|
-0.5
|
0.9
|
Gorffennaf 2017
|
1.8
|
1.1
|
Awst 2017
|
-0.4
|
0.6
|
Medi 2017
|
0.8
|
-0.3
|
Hydref 2017
|
0.6
|
-0.1
|
Tachwedd 2017
|
-2.1
|
-0.3
|
Rhagfyr 2017
|
1.4
|
0.5
|
Ionawr 2018
|
1.9
|
-0.7
|
Chwefror 2018
|
3.6
|
-0.0
|
Mawrth 2018
|
-4.2
|
-0.2
|
Ebrill 2018
|
1.5
|
0.7
|
Mai 2018
|
-1.5
|
0.7
|
Mehefin 2018
|
0.7
|
0.6
|
Gorffennaf 2018
|
1.5
|
1.2
|
Awst 2018
|
0.8
|
0.2
|
Medi 2018
|
-1.2
|
-0.0
|
Hydref 2018
|
1.9
|
-0.5
|
Tachwedd 2018
|
-3.8
|
0.1
|
Rhagfyr 2018
|
1.7
|
-0.5
|
Ionawr 2019
|
0.1
|
-0.8
|
Chwefror 2019
|
2.9
|
-0.4
|
Mawrth 2019
|
-2.7
|
-0.3
|
Ebrill 2019
|
0.9
|
0.7
|
Mai 2019
|
-1.3
|
0.3
|
Mehefin 2019
|
-1.2
|
0.6
|
Gorffennaf 2019
|
5.0
|
0.6
|
Awst 2019
|
-2.6
|
0.6
|
Medi 2019
|
1.5
|
0.0
|
Hydref 2019
|
-0.3
|
-0.3
|
Tachwedd 2019
|
-4.5
|
0.1
|
Rhagfyr 2019
|
0.6
|
0.0
|
Ionawr 2020
|
6.1
|
-0.8
|
Chwefror 2020
|
-4.1
|
0.1
|
Mawrth 2020
|
2.9
|
0.7
|
Ebrill 2020
|
1.6
|
-1.5
|
Mai 2020
|
-0.2
|
0.5
|
Mehefin 2020
|
-4.1
|
2.1
|
Gorffennaf 2020
|
4.0
|
0.6
|
Awst 2020
|
0.6
|
1.1
|
Medi 2020
|
0.1
|
1.0
|
Hydref 2020
|
-1.0
|
0.8
|
Tachwedd 2020
|
-0.3
|
1.3
|
Rhagfyr 2020
|
1.2
|
0.9
|
Ionawr 2021
|
-1.4
|
0.1
|
Chwefror 2021
|
1.7
|
0.4
|
Mawrth 2021
|
2.1
|
1.1
|
Ebrill 2021
|
-0.1
|
-1.6
|
Mai 2021
|
-1.6
|
0.4
|
Mehefin 2021
|
2.1
|
6.4
|
Gorffennaf 2021
|
0.7
|
-6.6
|
Awst 2021
|
-2.2
|
4.2
|
Medi 2021
|
2.8
|
3.5
|
Hydref 2021
|
-2.6
|
-3.2
|
Tachwedd 2021
|
3.7
|
2.1
|
Rhagfyr 2021
|
-2.5
|
1.2
|
Dyddiad
|
Adeilad newydd
|
Eiddo presennol
|
Mehefin 1998
|
32.2
|
31.8
|
Gorffennaf 1998
|
32.5
|
32.2
|
Awst 1998
|
32.8
|
32.4
|
Medi 1998
|
32.3
|
32.3
|
Hydref 1998
|
32.8
|
32.2
|
Tachwedd 1998
|
32.9
|
32.1
|
Rhagfyr 1998
|
33.2
|
32.2
|
Ionawr 1999
|
33.5
|
32.3
|
Chwefror 1999
|
33.1
|
32.2
|
Mawrth 1999
|
33.5
|
32.6
|
Ebrill 1999
|
33.6
|
33.3
|
Mai 1999
|
34.5
|
33.6
|
Mehefin 1999
|
34.8
|
34.2
|
Gorffennaf 1999
|
35.2
|
34.8
|
Awst 1999
|
35.5
|
35.3
|
Medi 1999
|
35.9
|
35.9
|
Hydref 1999
|
36.3
|
36.1
|
Tachwedd 1999
|
36.6
|
36.6
|
Rhagfyr 1999
|
37.6
|
36.9
|
Ionawr 2000
|
37.2
|
37.0
|
Chwefror 2000
|
37.8
|
37.2
|
Mawrth 2000
|
38.3
|
37.9
|
Ebrill 2000
|
39.3
|
39.2
|
Mai 2000
|
39.7
|
39.6
|
Mehefin 2000
|
39.9
|
40.1
|
Gorffennaf 2000
|
40.6
|
40.7
|
Awst 2000
|
41.6
|
41.1
|
Medi 2000
|
41.3
|
41.2
|
Hydref 2000
|
41.4
|
41.0
|
Tachwedd 2000
|
42.1
|
41.1
|
Rhagfyr 2000
|
42.4
|
41.4
|
Ionawr 2001
|
43.2
|
41.4
|
Chwefror 2001
|
43.4
|
41.3
|
Mawrth 2001
|
43.1
|
41.9
|
Ebrill 2001
|
44.4
|
42.9
|
Mai 2001
|
44.1
|
43.7
|
Mehefin 2001
|
45.4
|
44.2
|
Gorffennaf 2001
|
45.7
|
45.0
|
Awst 2001
|
47.1
|
45.9
|
Medi 2001
|
47.8
|
46.0
|
Hydref 2001
|
48.1
|
46.2
|
Tachwedd 2001
|
48.2
|
46.7
|
Rhagfyr 2001
|
49.4
|
47.1
|
Ionawr 2002
|
49.5
|
47.2
|
Chwefror 2002
|
50.7
|
47.3
|
Mawrth 2002
|
50.8
|
48.6
|
Ebrill 2002
|
52.2
|
49.7
|
Mai 2002
|
52.9
|
51.3
|
Mehefin 2002
|
54.5
|
52.4
|
Gorffennaf 2002
|
55.1
|
54.1
|
Awst 2002
|
56.8
|
55.5
|
Medi 2002
|
56.6
|
56.1
|
Hydref 2002
|
58.0
|
57.0
|
Tachwedd 2002
|
59.1
|
58.4
|
Rhagfyr 2002
|
59.8
|
59.0
|
Ionawr 2003
|
59.9
|
59.9
|
Chwefror 2003
|
60.9
|
59.9
|
Mawrth 2003
|
61.9
|
60.6
|
Ebrill 2003
|
63.0
|
62.1
|
Mai 2003
|
63.7
|
63.2
|
Mehefin 2003
|
65.0
|
63.6
|
Gorffennaf 2003
|
66.0
|
65.1
|
Awst 2003
|
66.3
|
65.9
|
Medi 2003
|
66.0
|
65.9
|
Hydref 2003
|
67.2
|
66.9
|
Tachwedd 2003
|
67.9
|
67.5
|
Rhagfyr 2003
|
68.6
|
68.4
|
Ionawr 2004
|
69.8
|
68.7
|
Chwefror 2004
|
70.8
|
68.9
|
Mawrth 2004
|
71.4
|
70.1
|
Ebrill 2004
|
71.6
|
72.6
|
Mai 2004
|
74.2
|
73.9
|
Mehefin 2004
|
76.7
|
75.5
|
Gorffennaf 2004
|
75.2
|
77.4
|
Awst 2004
|
77.0
|
78.3
|
Medi 2004
|
77.9
|
78.5
|
Hydref 2004
|
78.2
|
78.5
|
Tachwedd 2004
|
79.3
|
78.9
|
Rhagfyr 2004
|
80.2
|
78.6
|
Ionawr 2005
|
80.2
|
77.9
|
Chwefror 2005
|
81.1
|
77.8
|
Mawrth 2005
|
81.6
|
78.3
|
Ebrill 2005
|
83.0
|
79.1
|
Mai 2005
|
83.2
|
80.0
|
Mehefin 2005
|
83.3
|
80.6
|
Gorffennaf 2005
|
83.8
|
81.4
|
Awst 2005
|
84.5
|
81.7
|
Medi 2005
|
84.1
|
81.6
|
Hydref 2005
|
84.6
|
81.3
|
Tachwedd 2005
|
85.2
|
81.6
|
Rhagfyr 2005
|
86.0
|
82.0
|
Ionawr 2006
|
84.8
|
81.7
|
Chwefror 2006
|
86.6
|
81.7
|
Mawrth 2006
|
86.1
|
82.4
|
Ebrill 2006
|
87.6
|
83.9
|
Mai 2006
|
88.2
|
84.7
|
Mehefin 2006
|
88.2
|
85.6
|
Gorffennaf 2006
|
88.2
|
86.6
|
Awst 2006
|
88.0
|
87.4
|
Medi 2006
|
89.3
|
87.7
|
Hydref 2006
|
89.5
|
88.0
|
Tachwedd 2006
|
89.0
|
88.5
|
Rhagfyr 2006
|
91.1
|
89.5
|
Ionawr 2007
|
90.8
|
89.4
|
Chwefror 2007
|
91.3
|
89.7
|
Mawrth 2007
|
90.7
|
90.4
|
Ebrill 2007
|
91.8
|
92.0
|
Mai 2007
|
94.8
|
92.8
|
Mehefin 2007
|
94.2
|
94.0
|
Gorffennaf 2007
|
96.2
|
95.1
|
Awst 2007
|
94.2
|
95.8
|
Medi 2007
|
95.3
|
96.0
|
Hydref 2007
|
95.9
|
95.9
|
Tachwedd 2007
|
95.3
|
95.8
|
Rhagfyr 2007
|
96.3
|
95.7
|
Ionawr 2008
|
95.2
|
94.4
|
Chwefror 2008
|
96.3
|
93.3
|
Mawrth 2008
|
94.6
|
92.7
|
Ebrill 2008
|
95.0
|
92.9
|
Mai 2008
|
95.0
|
93.3
|
Mehefin 2008
|
93.3
|
92.2
|
Gorffennaf 2008
|
91.8
|
91.5
|
Awst 2008
|
88.3
|
89.5
|
Medi 2008
|
87.4
|
87.3
|
Hydref 2008
|
85.4
|
85.3
|
Tachwedd 2008
|
83.2
|
82.8
|
Rhagfyr 2008
|
80.7
|
81.8
|
Ionawr 2009
|
80.9
|
80.0
|
Chwefror 2009
|
80.4
|
79.2
|
Mawrth 2009
|
80.2
|
78.3
|
Ebrill 2009
|
80.0
|
79.0
|
Mai 2009
|
80.0
|
80.2
|
Mehefin 2009
|
80.2
|
81.1
|
Gorffennaf 2009
|
81.1
|
82.7
|
Awst 2009
|
81.1
|
83.8
|
Medi 2009
|
83.1
|
84.5
|
Hydref 2009
|
82.5
|
85.1
|
Tachwedd 2009
|
82.6
|
85.4
|
Rhagfyr 2009
|
83.1
|
86.0
|
Ionawr 2010
|
79.9
|
86.6
|
Chwefror 2010
|
83.7
|
86.7
|
Mawrth 2010
|
84.0
|
86.4
|
Ebrill 2010
|
83.4
|
87.5
|
Mai 2010
|
83.6
|
88.0
|
Mehefin 2010
|
84.1
|
88.5
|
Gorffennaf 2010
|
83.1
|
89.6
|
Awst 2010
|
84.7
|
89.6
|
Medi 2010
|
85.6
|
89.2
|
Hydref 2010
|
85.2
|
88.0
|
Tachwedd 2010
|
83.6
|
87.2
|
Rhagfyr 2010
|
85.5
|
86.9
|
Ionawr 2011
|
84.9
|
86.1
|
Chwefror 2011
|
84.5
|
85.8
|
Mawrth 2011
|
85.3
|
85.3
|
Ebrill 2011
|
85.8
|
86.6
|
Mai 2011
|
86.2
|
86.1
|
Mehefin 2011
|
84.6
|
86.4
|
Gorffennaf 2011
|
86.5
|
87.4
|
Awst 2011
|
85.0
|
87.7
|
Medi 2011
|
84.7
|
87.4
|
Hydref 2011
|
84.8
|
86.5
|
Tachwedd 2011
|
85.6
|
86.5
|
Rhagfyr 2011
|
84.9
|
86.3
|
Ionawr 2012
|
84.0
|
86.1
|
Chwefror 2012
|
83.9
|
86.1
|
Mawrth 2012
|
84.9
|
86.0
|
Ebrill 2012
|
85.4
|
87.2
|
Mai 2012
|
85.5
|
87.4
|
Mehefin 2012
|
85.6
|
88.4
|
Gorffennaf 2012
|
84.2
|
89.1
|
Awst 2012
|
84.9
|
89.2
|
Medi 2012
|
85.5
|
88.8
|
Hydref 2012
|
86.7
|
88.1
|
Tachwedd 2012
|
87.2
|
88.2
|
Rhagfyr 2012
|
87.5
|
88.0
|
Ionawr 2013
|
84.3
|
87.5
|
Chwefror 2013
|
85.0
|
87.6
|
Mawrth 2013
|
87.4
|
87.9
|
Ebrill 2013
|
87.9
|
88.8
|
Mai 2013
|
87.6
|
89.2
|
Mehefin 2013
|
88.0
|
90.0
|
Gorffennaf 2013
|
88.3
|
91.1
|
Awst 2013
|
88.8
|
91.8
|
Medi 2013
|
90.6
|
91.8
|
Hydref 2013
|
90.3
|
91.5
|
Tachwedd 2013
|
90.8
|
91.9
|
Rhagfyr 2013
|
93.2
|
92.9
|
Ionawr 2014
|
91.7
|
92.9
|
Chwefror 2014
|
93.4
|
93.3
|
Mawrth 2014
|
93.6
|
93.7
|
Ebrill 2014
|
95.6
|
95.8
|
Mai 2014
|
97.3
|
96.6
|
Mehefin 2014
|
97.0
|
97.6
|
Gorffennaf 2014
|
97.3
|
99.2
|
Awst 2014
|
97.8
|
100.5
|
Medi 2014
|
97.9
|
100.6
|
Hydref 2014
|
98.4
|
100.4
|
Tachwedd 2014
|
97.4
|
100.2
|
Rhagfyr 2014
|
99.7
|
100.3
|
Ionawr 2015
|
100.0
|
100.0
|
Chwefror 2015
|
101.0
|
100.2
|
Mawrth 2015
|
101.1
|
100.2
|
Ebrill 2015
|
101.5
|
101.5
|
Mai 2015
|
101.9
|
102.7
|
Mehefin 2015
|
100.8
|
103.7
|
Gorffennaf 2015
|
103.8
|
105.4
|
Awst 2015
|
103.8
|
106.6
|
Medi 2015
|
104.3
|
106.8
|
Hydref 2015
|
105.2
|
106.9
|
Tachwedd 2015
|
105.7
|
107.9
|
Rhagfyr 2015
|
109.0
|
108.2
|
Ionawr 2016
|
107.8
|
108.7
|
Chwefror 2016
|
106.2
|
109.0
|
Mawrth 2016
|
105.3
|
110.1
|
Ebrill 2016
|
112.7
|
110.1
|
Mai 2016
|
116.0
|
111.3
|
Mehefin 2016
|
113.0
|
112.6
|
Gorffennaf 2016
|
113.6
|
113.8
|
Awst 2016
|
113.3
|
114.0
|
Medi 2016
|
113.7
|
113.8
|
Hydref 2016
|
115.4
|
113.2
|
Tachwedd 2016
|
115.7
|
113.8
|
Rhagfyr 2016
|
116.0
|
114.2
|
Ionawr 2017
|
118.2
|
113.9
|
Chwefror 2017
|
117.7
|
114.5
|
Mawrth 2017
|
117.4
|
114.0
|
Ebrill 2017
|
117.8
|
115.7
|
Mai 2017
|
118.7
|
116.5
|
Mehefin 2017
|
118.2
|
117.5
|
Gorffennaf 2017
|
120.2
|
118.9
|
Awst 2017
|
119.7
|
119.5
|
Medi 2017
|
120.7
|
119.2
|
Hydref 2017
|
121.5
|
119.1
|
Tachwedd 2017
|
118.9
|
118.8
|
Rhagfyr 2017
|
120.5
|
119.4
|
Ionawr 2018
|
122.8
|
118.5
|
Chwefror 2018
|
127.2
|
118.5
|
Mawrth 2018
|
121.8
|
118.3
|
Ebrill 2018
|
123.6
|
119.2
|
Mai 2018
|
121.8
|
120.0
|
Mehefin 2018
|
122.6
|
120.7
|
Gorffennaf 2018
|
124.4
|
122.2
|
Awst 2018
|
125.5
|
122.4
|
Medi 2018
|
124.0
|
122.4
|
Hydref 2018
|
126.3
|
121.8
|
Tachwedd 2018
|
121.5
|
122.0
|
Rhagfyr 2018
|
123.5
|
121.4
|
Ionawr 2019
|
123.7
|
120.4
|
Chwefror 2019
|
127.2
|
119.9
|
Mawrth 2019
|
123.8
|
119.5
|
Ebrill 2019
|
124.9
|
120.3
|
Mai 2019
|
123.2
|
120.6
|
Mehefin 2019
|
121.8
|
121.3
|
Gorffennaf 2019
|
127.9
|
122.0
|
Awst 2019
|
124.6
|
122.8
|
Medi 2019
|
126.5
|
122.8
|
Hydref 2019
|
126.2
|
122.4
|
Tachwedd 2019
|
120.5
|
122.6
|
Rhagfyr 2019
|
121.2
|
122.6
|
Ionawr 2020
|
128.6
|
121.6
|
Chwefror 2020
|
123.3
|
121.8
|
Mawrth 2020
|
126.9
|
122.6
|
Ebrill 2020
|
129.0
|
120.8
|
Mai 2020
|
128.7
|
121.4
|
Mehefin 2020
|
123.5
|
124.0
|
Gorffennaf 2020
|
128.4
|
124.7
|
Awst 2020
|
129.2
|
126.0
|
Medi 2020
|
129.3
|
127.4
|
Hydref 2020
|
128.0
|
128.4
|
Tachwedd 2020
|
127.6
|
130.0
|
Rhagfyr 2020
|
129.2
|
131.2
|
Ionawr 2021
|
127.4
|
131.3
|
Chwefror 2021
|
129.6
|
131.9
|
Mawrth 2021
|
132.3
|
133.4
|
Ebrill 2021
|
132.1
|
131.2
|
Mai 2021
|
130.0
|
131.8
|
Mehefin 2021
|
132.7
|
140.3
|
Gorffennaf 2021
|
133.6
|
131.0
|
Awst 2021
|
130.6
|
136.4
|
Medi 2021
|
134.2
|
141.2
|
Hydref 2021
|
130.7
|
136.8
|
Tachwedd 2021
|
135.6
|
139.6
|
Rhagfyr 2021
|
132.2
|
141.3
|