Cysylltau cyflym:
yn ôl math o eiddo
yn ôl statws y prynwr
yn ôl statws cyllido
yn ôl statws yr eiddo
Ystadegau Prisiau Tai
Math o eiddo
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol ar gyfer pob math o eiddo neu ganolbwyntio ar un penodol.
Dyddiad
|
Tai ar wahân
|
Tai pâr
|
Fflatiau a fflatiau deulawr
|
Ionawr 2007
|
222955.0
|
149096.0
|
108024.0
|
Chwefror 2007
|
219171.0
|
146897.0
|
107305.0
|
Mawrth 2007
|
216560.0
|
145552.0
|
106318.0
|
Ebrill 2007
|
218788.0
|
146963.0
|
107570.0
|
Mai 2007
|
223094.0
|
149997.0
|
109580.0
|
Mehefin 2007
|
220825.0
|
148082.0
|
108219.0
|
Gorffennaf 2007
|
216632.0
|
145194.0
|
105774.0
|
Awst 2007
|
222735.0
|
148547.0
|
107400.0
|
Medi 2007
|
228909.0
|
152298.0
|
109572.0
|
Hydref 2007
|
234786.0
|
155938.0
|
112833.0
|
Tachwedd 2007
|
227972.0
|
151134.0
|
109561.0
|
Rhagfyr 2007
|
227398.0
|
150454.0
|
109558.0
|
Ionawr 2008
|
234300.0
|
154981.0
|
113021.0
|
Chwefror 2008
|
235882.0
|
156360.0
|
114061.0
|
Mawrth 2008
|
228390.0
|
152289.0
|
110655.0
|
Ebrill 2008
|
206710.0
|
138118.0
|
99721.0
|
Mai 2008
|
206293.0
|
138438.0
|
99850.0
|
Mehefin 2008
|
208721.0
|
139894.0
|
100870.0
|
Gorffennaf 2008
|
220254.0
|
147932.0
|
106148.0
|
Awst 2008
|
219272.0
|
146629.0
|
105109.0
|
Medi 2008
|
224058.0
|
148954.0
|
106986.0
|
Hydref 2008
|
204452.0
|
135466.0
|
97727.0
|
Tachwedd 2008
|
196321.0
|
130468.0
|
94299.0
|
Rhagfyr 2008
|
181310.0
|
120818.0
|
87204.0
|
Ionawr 2009
|
213575.0
|
141338.0
|
102366.0
|
Chwefror 2009
|
208409.0
|
137839.0
|
99760.0
|
Mawrth 2009
|
209034.0
|
138342.0
|
100351.0
|
Ebrill 2009
|
187752.0
|
125663.0
|
90587.0
|
Mai 2009
|
194221.0
|
129914.0
|
93292.0
|
Mehefin 2009
|
206349.0
|
137900.0
|
98444.0
|
Gorffennaf 2009
|
206442.0
|
137279.0
|
96920.0
|
Awst 2009
|
212687.0
|
141244.0
|
98884.0
|
Medi 2009
|
204294.0
|
135661.0
|
94094.0
|
Hydref 2009
|
211015.0
|
140322.0
|
97325.0
|
Tachwedd 2009
|
210651.0
|
139430.0
|
96508.0
|
Rhagfyr 2009
|
216300.0
|
143531.0
|
99290.0
|
Ionawr 2010
|
217144.0
|
143784.0
|
98530.0
|
Chwefror 2010
|
214441.0
|
142486.0
|
96310.0
|
Mawrth 2010
|
207533.0
|
137880.0
|
92906.0
|
Ebrill 2010
|
207761.0
|
138354.0
|
93083.0
|
Mai 2010
|
215044.0
|
142813.0
|
96634.0
|
Mehefin 2010
|
223113.0
|
148252.0
|
99533.0
|
Gorffennaf 2010
|
232231.0
|
153399.0
|
102333.0
|
Awst 2010
|
226688.0
|
149995.0
|
98963.0
|
Medi 2010
|
233733.0
|
154081.0
|
101463.0
|
Hydref 2010
|
228990.0
|
151431.0
|
99934.0
|
Tachwedd 2010
|
229813.0
|
151577.0
|
100691.0
|
Rhagfyr 2010
|
214744.0
|
142007.0
|
94186.0
|
Ionawr 2011
|
205357.0
|
135538.0
|
89814.0
|
Chwefror 2011
|
207668.0
|
137371.0
|
91048.0
|
Mawrth 2011
|
217383.0
|
143281.0
|
95345.0
|
Ebrill 2011
|
218582.0
|
144421.0
|
96049.0
|
Mai 2011
|
212049.0
|
140412.0
|
93642.0
|
Mehefin 2011
|
207462.0
|
137949.0
|
91795.0
|
Gorffennaf 2011
|
212004.0
|
141414.0
|
94498.0
|
Awst 2011
|
212263.0
|
141396.0
|
93431.0
|
Medi 2011
|
210126.0
|
139290.0
|
91408.0
|
Hydref 2011
|
204975.0
|
135247.0
|
88020.0
|
Tachwedd 2011
|
207858.0
|
137165.0
|
89820.0
|
Rhagfyr 2011
|
208687.0
|
137804.0
|
90301.0
|
Ionawr 2012
|
209782.0
|
138575.0
|
90462.0
|
Chwefror 2012
|
205461.0
|
135545.0
|
87990.0
|
Mawrth 2012
|
204671.0
|
135740.0
|
88238.0
|
Ebrill 2012
|
207453.0
|
137360.0
|
89959.0
|
Mai 2012
|
197914.0
|
131323.0
|
86245.0
|
Mehefin 2012
|
209495.0
|
138397.0
|
90641.0
|
Gorffennaf 2012
|
207245.0
|
136831.0
|
89432.0
|
Awst 2012
|
216031.0
|
142362.0
|
92536.0
|
Medi 2012
|
203918.0
|
134455.0
|
87505.0
|
Hydref 2012
|
200651.0
|
132408.0
|
86087.0
|
Tachwedd 2012
|
201297.0
|
133057.0
|
86396.0
|
Rhagfyr 2012
|
201851.0
|
132953.0
|
85902.0
|
Ionawr 2013
|
204329.0
|
135003.0
|
86839.0
|
Chwefror 2013
|
193978.0
|
128370.0
|
82698.0
|
Mawrth 2013
|
197976.0
|
131473.0
|
84432.0
|
Ebrill 2013
|
194403.0
|
128780.0
|
82580.0
|
Mai 2013
|
205043.0
|
135755.0
|
87288.0
|
Mehefin 2013
|
209231.0
|
138401.0
|
89204.0
|
Gorffennaf 2013
|
212212.0
|
140513.0
|
90714.0
|
Awst 2013
|
218583.0
|
144339.0
|
92906.0
|
Medi 2013
|
210019.0
|
138602.0
|
89080.0
|
Hydref 2013
|
203846.0
|
134263.0
|
85891.0
|
Tachwedd 2013
|
200794.0
|
132578.0
|
84136.0
|
Rhagfyr 2013
|
198841.0
|
131653.0
|
83670.0
|
Ionawr 2014
|
209319.0
|
138502.0
|
88413.0
|
Chwefror 2014
|
213434.0
|
140775.0
|
90078.0
|
Mawrth 2014
|
212246.0
|
140032.0
|
89590.0
|
Ebrill 2014
|
206854.0
|
136580.0
|
87088.0
|
Mai 2014
|
209253.0
|
138594.0
|
88722.0
|
Mehefin 2014
|
215712.0
|
142777.0
|
91077.0
|
Gorffennaf 2014
|
221770.0
|
146884.0
|
93485.0
|
Awst 2014
|
215413.0
|
142164.0
|
89828.0
|
Medi 2014
|
216299.0
|
142531.0
|
90000.0
|
Hydref 2014
|
215183.0
|
141684.0
|
89646.0
|
Tachwedd 2014
|
216944.0
|
143169.0
|
90804.0
|
Rhagfyr 2014
|
215817.0
|
142426.0
|
90480.0
|
Ionawr 2015
|
218960.0
|
144540.0
|
91792.0
|
Chwefror 2015
|
214785.0
|
141347.0
|
89994.0
|
Mawrth 2015
|
219051.0
|
143907.0
|
91898.0
|
Ebrill 2015
|
219411.0
|
143839.0
|
91849.0
|
Mai 2015
|
221714.0
|
145551.0
|
92854.0
|
Mehefin 2015
|
216808.0
|
142658.0
|
90097.0
|
Gorffennaf 2015
|
211915.0
|
139664.0
|
87874.0
|
Awst 2015
|
217726.0
|
143292.0
|
89838.0
|
Medi 2015
|
216855.0
|
142026.0
|
89348.0
|
Hydref 2015
|
218235.0
|
142948.0
|
89974.0
|
Tachwedd 2015
|
214118.0
|
140235.0
|
88110.0
|
Rhagfyr 2015
|
220853.0
|
144686.0
|
90462.0
|
Ionawr 2016
|
222975.0
|
146148.0
|
91131.0
|
Chwefror 2016
|
220352.0
|
144479.0
|
89815.0
|
Mawrth 2016
|
215778.0
|
141595.0
|
88691.0
|
Ebrill 2016
|
209626.0
|
137178.0
|
85981.0
|
Mai 2016
|
209466.0
|
137533.0
|
87216.0
|
Mehefin 2016
|
211686.0
|
138746.0
|
87710.0
|
Gorffennaf 2016
|
224320.0
|
147283.0
|
93305.0
|
Awst 2016
|
220117.0
|
144245.0
|
91070.0
|
Medi 2016
|
220551.0
|
144776.0
|
91333.0
|
Hydref 2016
|
217607.0
|
142585.0
|
90247.0
|
Tachwedd 2016
|
219921.0
|
143597.0
|
90879.0
|
Rhagfyr 2016
|
219765.0
|
143383.0
|
91177.0
|
Ionawr 2017
|
217632.0
|
141964.0
|
90425.0
|
Chwefror 2017
|
217608.0
|
141969.0
|
91091.0
|
Mawrth 2017
|
224061.0
|
145771.0
|
93828.0
|
Ebrill 2017
|
222511.0
|
144371.0
|
93373.0
|
Mai 2017
|
225890.0
|
146982.0
|
95132.0
|
Mehefin 2017
|
222369.0
|
144968.0
|
94351.0
|
Gorffennaf 2017
|
228541.0
|
149397.0
|
96963.0
|
Awst 2017
|
234483.0
|
152794.0
|
98651.0
|
Medi 2017
|
234698.0
|
152832.0
|
98043.0
|
Hydref 2017
|
232600.0
|
151381.0
|
96600.0
|
Tachwedd 2017
|
232876.0
|
151872.0
|
96470.0
|
Rhagfyr 2017
|
231787.0
|
151111.0
|
95661.0
|
Ionawr 2018
|
229216.0
|
149790.0
|
94929.0
|
Chwefror 2018
|
229898.0
|
150015.0
|
95499.0
|
Mawrth 2018
|
231950.0
|
151797.0
|
96570.0
|
Ebrill 2018
|
231863.0
|
151536.0
|
95813.0
|
Mai 2018
|
229900.0
|
150214.0
|
94183.0
|
Mehefin 2018
|
229099.0
|
149849.0
|
93736.0
|
Gorffennaf 2018
|
232753.0
|
151920.0
|
95077.0
|
Awst 2018
|
231992.0
|
151905.0
|
95107.0
|
Medi 2018
|
233570.0
|
152771.0
|
95245.0
|
Hydref 2018
|
236333.0
|
154858.0
|
96604.0
|
Tachwedd 2018
|
236032.0
|
154240.0
|
95765.0
|
Rhagfyr 2018
|
239665.0
|
156505.0
|
97393.0
|
Ionawr 2019
|
238498.0
|
155588.0
|
96599.0
|
Chwefror 2019
|
239231.0
|
156132.0
|
97127.0
|
Mawrth 2019
|
233189.0
|
152299.0
|
94293.0
|
Ebrill 2019
|
233944.0
|
153031.0
|
94508.0
|
Mai 2019
|
232951.0
|
152777.0
|
94125.0
|
Mehefin 2019
|
236250.0
|
155017.0
|
95821.0
|
Gorffennaf 2019
|
230988.0
|
151994.0
|
94234.0
|
Awst 2019
|
233165.0
|
152966.0
|
94426.0
|
Medi 2019
|
234543.0
|
153661.0
|
94720.0
|
Hydref 2019
|
237602.0
|
155791.0
|
95335.0
|
Tachwedd 2019
|
238399.0
|
156510.0
|
95705.0
|
Rhagfyr 2019
|
238370.0
|
156579.0
|
95200.0
|
Ionawr 2020
|
235533.0
|
154720.0
|
93832.0
|
Chwefror 2020
|
240112.0
|
157689.0
|
95704.0
|
Mawrth 2020
|
236496.0
|
155416.0
|
94366.0
|
Ebrill 2020
|
238938.0
|
156830.0
|
94795.0
|
Mai 2020
|
241336.0
|
158949.0
|
96090.0
|
Mehefin 2020
|
244512.0
|
161442.0
|
97223.0
|
Gorffennaf 2020
|
252324.0
|
166483.0
|
100643.0
|
Awst 2020
|
249320.0
|
164349.0
|
98614.0
|
Medi 2020
|
252498.0
|
165939.0
|
99232.0
|
Hydref 2020
|
250098.0
|
163618.0
|
97380.0
|
Tachwedd 2020
|
254283.0
|
165686.0
|
98825.0
|
Rhagfyr 2020
|
258283.0
|
167896.0
|
100017.0
|
Dyddiad
|
Tai ar wahân
|
Tai pâr
|
Fflatiau a fflatiau deulawr
|
Ionawr 2007
|
14.0
|
14.2
|
11.6
|
Chwefror 2007
|
5.6
|
5.7
|
4.0
|
Mawrth 2007
|
5.4
|
5.8
|
5.4
|
Ebrill 2007
|
0.4
|
0.8
|
1.0
|
Mai 2007
|
6.2
|
6.9
|
7.2
|
Mehefin 2007
|
2.7
|
3.0
|
3.2
|
Gorffennaf 2007
|
5.4
|
5.6
|
5.4
|
Awst 2007
|
8.4
|
8.2
|
7.8
|
Medi 2007
|
10.8
|
10.4
|
9.8
|
Hydref 2007
|
10.8
|
10.7
|
10.7
|
Tachwedd 2007
|
4.8
|
4.4
|
4.6
|
Rhagfyr 2007
|
2.8
|
2.0
|
2.5
|
Ionawr 2008
|
5.1
|
4.0
|
4.6
|
Chwefror 2008
|
7.6
|
6.4
|
6.3
|
Mawrth 2008
|
5.5
|
4.6
|
4.1
|
Ebrill 2008
|
-5.5
|
-6.0
|
-7.3
|
Mai 2008
|
-7.5
|
-7.7
|
-8.9
|
Mehefin 2008
|
-5.5
|
-5.5
|
-6.8
|
Gorffennaf 2008
|
1.7
|
1.9
|
0.4
|
Awst 2008
|
-1.6
|
-1.3
|
-2.1
|
Medi 2008
|
-2.1
|
-2.2
|
-2.4
|
Hydref 2008
|
-12.9
|
-13.1
|
-13.4
|
Tachwedd 2008
|
-13.9
|
-13.7
|
-13.9
|
Rhagfyr 2008
|
-20.3
|
-19.7
|
-20.4
|
Ionawr 2009
|
-8.8
|
-8.8
|
-9.4
|
Chwefror 2009
|
-11.6
|
-11.8
|
-12.5
|
Mawrth 2009
|
-8.5
|
-9.2
|
-9.3
|
Ebrill 2009
|
-9.2
|
-9.0
|
-9.2
|
Mai 2009
|
-5.8
|
-6.2
|
-6.6
|
Mehefin 2009
|
-1.1
|
-1.4
|
-2.4
|
Gorffennaf 2009
|
-6.3
|
-7.2
|
-8.7
|
Awst 2009
|
-3.0
|
-3.7
|
-5.9
|
Medi 2009
|
-8.8
|
-8.9
|
-12.0
|
Hydref 2009
|
3.2
|
3.6
|
-0.4
|
Tachwedd 2009
|
7.3
|
6.9
|
2.3
|
Rhagfyr 2009
|
19.3
|
18.8
|
13.9
|
Ionawr 2010
|
1.7
|
1.7
|
-3.8
|
Chwefror 2010
|
2.9
|
3.4
|
-3.5
|
Mawrth 2010
|
-0.7
|
-0.3
|
-7.4
|
Ebrill 2010
|
10.7
|
10.1
|
2.8
|
Mai 2010
|
10.7
|
9.9
|
3.6
|
Mehefin 2010
|
8.1
|
7.5
|
1.1
|
Gorffennaf 2010
|
12.5
|
11.7
|
5.6
|
Awst 2010
|
6.6
|
6.2
|
0.1
|
Medi 2010
|
14.4
|
13.6
|
7.8
|
Hydref 2010
|
8.5
|
7.9
|
2.7
|
Tachwedd 2010
|
9.1
|
8.7
|
4.3
|
Rhagfyr 2010
|
-0.7
|
-1.1
|
-5.1
|
Ionawr 2011
|
-5.4
|
-5.7
|
-8.8
|
Chwefror 2011
|
-3.2
|
-3.6
|
-5.5
|
Mawrth 2011
|
4.8
|
3.9
|
2.6
|
Ebrill 2011
|
5.2
|
4.4
|
3.2
|
Mai 2011
|
-1.4
|
-1.7
|
-3.1
|
Mehefin 2011
|
-7.0
|
-7.0
|
-7.8
|
Gorffennaf 2011
|
-8.7
|
-7.8
|
-7.7
|
Awst 2011
|
-6.4
|
-5.7
|
-5.6
|
Medi 2011
|
-10.1
|
-9.6
|
-9.9
|
Hydref 2011
|
-10.5
|
-10.7
|
-11.9
|
Tachwedd 2011
|
-9.6
|
-9.5
|
-10.8
|
Rhagfyr 2011
|
-2.8
|
-3.0
|
-4.1
|
Ionawr 2012
|
2.2
|
2.2
|
0.7
|
Chwefror 2012
|
-1.1
|
-1.3
|
-3.4
|
Mawrth 2012
|
-5.8
|
-5.3
|
-7.4
|
Ebrill 2012
|
-5.1
|
-4.9
|
-6.3
|
Mai 2012
|
-6.7
|
-6.5
|
-7.9
|
Mehefin 2012
|
1.0
|
0.3
|
-1.3
|
Gorffennaf 2012
|
-2.2
|
-3.2
|
-5.4
|
Awst 2012
|
1.8
|
0.7
|
-1.0
|
Medi 2012
|
-3.0
|
-3.5
|
-4.3
|
Hydref 2012
|
-2.1
|
-2.1
|
-2.2
|
Tachwedd 2012
|
-3.2
|
-3.0
|
-3.8
|
Rhagfyr 2012
|
-3.3
|
-3.5
|
-4.9
|
Ionawr 2013
|
-2.6
|
-2.6
|
-4.0
|
Chwefror 2013
|
-5.6
|
-5.3
|
-6.0
|
Mawrth 2013
|
-3.3
|
-3.1
|
-4.3
|
Ebrill 2013
|
-6.3
|
-6.2
|
-8.2
|
Mai 2013
|
3.6
|
3.4
|
1.2
|
Mehefin 2013
|
-0.1
|
0.0
|
-1.6
|
Gorffennaf 2013
|
2.4
|
2.7
|
1.4
|
Awst 2013
|
1.2
|
1.4
|
0.4
|
Medi 2013
|
3.0
|
3.1
|
1.8
|
Hydref 2013
|
1.6
|
1.4
|
-0.2
|
Tachwedd 2013
|
-0.2
|
-0.4
|
-2.6
|
Rhagfyr 2013
|
-1.5
|
-1.0
|
-2.6
|
Ionawr 2014
|
2.4
|
2.6
|
1.8
|
Chwefror 2014
|
10.0
|
9.7
|
8.9
|
Mawrth 2014
|
7.2
|
6.5
|
6.1
|
Ebrill 2014
|
6.4
|
6.1
|
5.5
|
Mai 2014
|
2.0
|
2.1
|
1.6
|
Mehefin 2014
|
3.1
|
3.2
|
2.1
|
Gorffennaf 2014
|
4.5
|
4.5
|
3.0
|
Awst 2014
|
-1.4
|
-1.5
|
-3.3
|
Medi 2014
|
3.0
|
2.8
|
1.0
|
Hydref 2014
|
5.6
|
5.5
|
4.4
|
Tachwedd 2014
|
8.0
|
8.0
|
7.9
|
Rhagfyr 2014
|
8.5
|
8.2
|
8.1
|
Ionawr 2015
|
4.6
|
4.4
|
3.8
|
Chwefror 2015
|
0.6
|
0.4
|
-0.1
|
Mawrth 2015
|
3.2
|
2.8
|
2.6
|
Ebrill 2015
|
6.1
|
5.3
|
5.5
|
Mai 2015
|
6.0
|
5.0
|
4.7
|
Mehefin 2015
|
0.5
|
-0.1
|
-1.1
|
Gorffennaf 2015
|
-4.4
|
-4.9
|
-6.0
|
Awst 2015
|
1.1
|
0.8
|
0.0
|
Medi 2015
|
0.3
|
-0.4
|
-0.7
|
Hydref 2015
|
1.4
|
0.9
|
0.4
|
Tachwedd 2015
|
-1.3
|
-2.0
|
-3.0
|
Rhagfyr 2015
|
2.3
|
1.6
|
-0.0
|
Ionawr 2016
|
1.8
|
1.1
|
-0.7
|
Chwefror 2016
|
2.6
|
2.2
|
-0.2
|
Mawrth 2016
|
-1.5
|
-1.6
|
-3.5
|
Ebrill 2016
|
-4.5
|
-4.6
|
-6.4
|
Mai 2016
|
-5.5
|
-5.5
|
-6.1
|
Mehefin 2016
|
-2.4
|
-2.7
|
-2.6
|
Gorffennaf 2016
|
5.8
|
5.5
|
6.2
|
Awst 2016
|
1.1
|
0.7
|
1.4
|
Medi 2016
|
1.7
|
1.9
|
2.2
|
Hydref 2016
|
-0.3
|
-0.2
|
0.3
|
Tachwedd 2016
|
2.7
|
2.4
|
3.1
|
Rhagfyr 2016
|
-0.5
|
-0.9
|
0.8
|
Ionawr 2017
|
-2.4
|
-2.9
|
-0.8
|
Chwefror 2017
|
-1.2
|
-1.7
|
1.4
|
Mawrth 2017
|
3.8
|
3.0
|
5.8
|
Ebrill 2017
|
5.1
|
4.5
|
6.5
|
Mai 2017
|
7.5
|
6.6
|
8.2
|
Mehefin 2017
|
5.0
|
4.5
|
7.6
|
Gorffennaf 2017
|
1.9
|
1.4
|
3.9
|
Awst 2017
|
6.5
|
5.9
|
8.3
|
Medi 2017
|
6.4
|
5.6
|
7.4
|
Hydref 2017
|
6.9
|
6.2
|
7.0
|
Tachwedd 2017
|
5.9
|
5.8
|
6.2
|
Rhagfyr 2017
|
5.5
|
5.4
|
4.9
|
Ionawr 2018
|
5.3
|
5.5
|
5.0
|
Chwefror 2018
|
5.6
|
5.7
|
4.8
|
Mawrth 2018
|
3.5
|
4.1
|
2.9
|
Ebrill 2018
|
4.2
|
5.0
|
2.6
|
Mai 2018
|
1.8
|
2.2
|
-1.0
|
Mehefin 2018
|
3.0
|
3.4
|
-0.6
|
Gorffennaf 2018
|
1.8
|
1.7
|
-1.9
|
Awst 2018
|
-1.1
|
-0.6
|
-3.6
|
Medi 2018
|
-0.5
|
-0.0
|
-2.8
|
Hydref 2018
|
1.6
|
2.3
|
0.0
|
Tachwedd 2018
|
1.4
|
1.6
|
-0.7
|
Rhagfyr 2018
|
3.4
|
3.6
|
1.8
|
Ionawr 2019
|
4.0
|
3.9
|
1.8
|
Chwefror 2019
|
4.1
|
4.1
|
1.7
|
Mawrth 2019
|
0.5
|
0.3
|
-2.4
|
Ebrill 2019
|
0.9
|
1.0
|
-1.4
|
Mai 2019
|
1.3
|
1.7
|
-0.1
|
Mehefin 2019
|
3.1
|
3.4
|
2.2
|
Gorffennaf 2019
|
-0.8
|
0.1
|
-0.9
|
Awst 2019
|
0.5
|
0.7
|
-0.7
|
Medi 2019
|
0.4
|
0.6
|
-0.6
|
Hydref 2019
|
0.5
|
0.6
|
-1.3
|
Tachwedd 2019
|
1.0
|
1.5
|
-0.1
|
Rhagfyr 2019
|
-0.5
|
0.1
|
-2.2
|
Ionawr 2020
|
-1.2
|
-0.6
|
-2.9
|
Chwefror 2020
|
0.4
|
1.0
|
-1.5
|
Mawrth 2020
|
1.4
|
2.0
|
0.1
|
Ebrill 2020
|
2.1
|
2.5
|
0.3
|
Mai 2020
|
3.6
|
4.0
|
2.1
|
Mehefin 2020
|
3.5
|
4.1
|
1.5
|
Gorffennaf 2020
|
9.2
|
9.5
|
6.8
|
Awst 2020
|
6.9
|
7.4
|
4.4
|
Medi 2020
|
7.7
|
8.0
|
4.8
|
Hydref 2020
|
5.3
|
5.0
|
2.1
|
Tachwedd 2020
|
6.7
|
5.9
|
3.3
|
Rhagfyr 2020
|
8.4
|
7.2
|
5.1
|
Dyddiad
|
Tai ar wahân
|
Tai pâr
|
Fflatiau a fflatiau deulawr
|
Ionawr 2007
|
0.8
|
1.1
|
1.0
|
Chwefror 2007
|
-1.7
|
-1.5
|
-0.7
|
Mawrth 2007
|
-1.2
|
-0.9
|
-0.9
|
Ebrill 2007
|
1.0
|
1.0
|
1.2
|
Mai 2007
|
2.0
|
2.1
|
1.9
|
Mehefin 2007
|
-1.0
|
-1.3
|
-1.2
|
Gorffennaf 2007
|
-1.9
|
-2.0
|
-2.3
|
Awst 2007
|
2.8
|
2.3
|
1.5
|
Medi 2007
|
2.8
|
2.5
|
2.0
|
Hydref 2007
|
2.6
|
2.4
|
3.0
|
Tachwedd 2007
|
-2.9
|
-3.1
|
-2.9
|
Rhagfyr 2007
|
-0.2
|
-0.4
|
0.0
|
Ionawr 2008
|
3.0
|
3.0
|
3.2
|
Chwefror 2008
|
0.7
|
0.9
|
0.9
|
Mawrth 2008
|
-3.2
|
-2.6
|
-3.0
|
Ebrill 2008
|
-9.5
|
-9.3
|
-9.9
|
Mai 2008
|
-0.2
|
0.2
|
0.1
|
Mehefin 2008
|
1.2
|
1.0
|
1.0
|
Gorffennaf 2008
|
5.5
|
5.8
|
5.2
|
Awst 2008
|
-0.4
|
-0.9
|
-1.0
|
Medi 2008
|
2.2
|
1.6
|
1.8
|
Hydref 2008
|
-8.8
|
-9.1
|
-8.6
|
Tachwedd 2008
|
-4.0
|
-3.7
|
-3.5
|
Rhagfyr 2008
|
-7.6
|
-7.4
|
-7.5
|
Ionawr 2009
|
17.8
|
17.0
|
17.4
|
Chwefror 2009
|
-2.4
|
-2.5
|
-2.6
|
Mawrth 2009
|
0.3
|
0.4
|
0.6
|
Ebrill 2009
|
-10.2
|
-9.2
|
-9.7
|
Mai 2009
|
3.4
|
3.4
|
3.0
|
Mehefin 2009
|
6.2
|
6.2
|
5.5
|
Gorffennaf 2009
|
0.1
|
-0.4
|
-1.6
|
Awst 2009
|
3.0
|
2.9
|
2.0
|
Medi 2009
|
-4.0
|
-4.0
|
-4.8
|
Hydref 2009
|
3.3
|
3.4
|
3.4
|
Tachwedd 2009
|
-0.2
|
-0.6
|
-0.8
|
Rhagfyr 2009
|
2.7
|
2.9
|
2.9
|
Ionawr 2010
|
0.4
|
0.2
|
-0.8
|
Chwefror 2010
|
-1.2
|
-0.9
|
-2.2
|
Mawrth 2010
|
-3.2
|
-3.2
|
-3.5
|
Ebrill 2010
|
0.1
|
0.3
|
0.2
|
Mai 2010
|
3.5
|
3.2
|
3.8
|
Mehefin 2010
|
3.8
|
3.8
|
3.0
|
Gorffennaf 2010
|
4.1
|
3.5
|
2.8
|
Awst 2010
|
-2.4
|
-2.2
|
-3.3
|
Medi 2010
|
3.1
|
2.7
|
2.5
|
Hydref 2010
|
-2.0
|
-1.7
|
-1.5
|
Tachwedd 2010
|
0.4
|
0.1
|
0.8
|
Rhagfyr 2010
|
-6.6
|
-6.3
|
-6.5
|
Ionawr 2011
|
-4.4
|
-4.6
|
-4.6
|
Chwefror 2011
|
1.1
|
1.4
|
1.4
|
Mawrth 2011
|
4.7
|
4.3
|
4.7
|
Ebrill 2011
|
0.6
|
0.8
|
0.7
|
Mai 2011
|
-3.0
|
-2.8
|
-2.5
|
Mehefin 2011
|
-2.2
|
-1.8
|
-2.0
|
Gorffennaf 2011
|
2.2
|
2.5
|
2.9
|
Awst 2011
|
0.1
|
-0.0
|
-1.1
|
Medi 2011
|
-1.0
|
-1.5
|
-2.2
|
Hydref 2011
|
-2.4
|
-2.9
|
-3.7
|
Tachwedd 2011
|
1.4
|
1.4
|
2.0
|
Rhagfyr 2011
|
0.4
|
0.5
|
0.5
|
Ionawr 2012
|
0.5
|
0.6
|
0.2
|
Chwefror 2012
|
-2.1
|
-2.2
|
-2.7
|
Mawrth 2012
|
-0.4
|
0.1
|
0.3
|
Ebrill 2012
|
1.4
|
1.2
|
2.0
|
Mai 2012
|
-4.6
|
-4.4
|
-4.1
|
Mehefin 2012
|
5.8
|
5.4
|
5.1
|
Gorffennaf 2012
|
-1.1
|
-1.1
|
-1.3
|
Awst 2012
|
4.2
|
4.0
|
3.5
|
Medi 2012
|
-5.6
|
-5.6
|
-5.4
|
Hydref 2012
|
-1.6
|
-1.5
|
-1.6
|
Tachwedd 2012
|
0.3
|
0.5
|
0.4
|
Rhagfyr 2012
|
0.3
|
-0.1
|
-0.6
|
Ionawr 2013
|
1.2
|
1.5
|
1.1
|
Chwefror 2013
|
-5.1
|
-4.9
|
-4.8
|
Mawrth 2013
|
2.1
|
2.4
|
2.1
|
Ebrill 2013
|
-1.8
|
-2.0
|
-2.2
|
Mai 2013
|
5.5
|
5.4
|
5.7
|
Mehefin 2013
|
2.0
|
2.0
|
2.2
|
Gorffennaf 2013
|
1.4
|
1.5
|
1.7
|
Awst 2013
|
3.0
|
2.7
|
2.4
|
Medi 2013
|
-3.9
|
-4.0
|
-4.1
|
Hydref 2013
|
-2.9
|
-3.1
|
-3.6
|
Tachwedd 2013
|
-1.5
|
-1.3
|
-2.0
|
Rhagfyr 2013
|
-1.0
|
-0.7
|
-0.6
|
Ionawr 2014
|
5.3
|
5.2
|
5.7
|
Chwefror 2014
|
2.0
|
1.6
|
1.9
|
Mawrth 2014
|
-0.6
|
-0.5
|
-0.5
|
Ebrill 2014
|
-2.5
|
-2.5
|
-2.8
|
Mai 2014
|
1.2
|
1.5
|
1.9
|
Mehefin 2014
|
3.1
|
3.0
|
2.6
|
Gorffennaf 2014
|
2.8
|
2.9
|
2.6
|
Awst 2014
|
-2.9
|
-3.2
|
-3.9
|
Medi 2014
|
0.4
|
0.3
|
0.2
|
Hydref 2014
|
-0.5
|
-0.6
|
-0.4
|
Tachwedd 2014
|
0.8
|
1.0
|
1.3
|
Rhagfyr 2014
|
-0.5
|
-0.5
|
-0.4
|
Ionawr 2015
|
1.5
|
1.5
|
1.4
|
Chwefror 2015
|
-1.9
|
-2.2
|
-2.0
|
Mawrth 2015
|
2.0
|
1.8
|
2.1
|
Ebrill 2015
|
0.2
|
-0.1
|
-0.1
|
Mai 2015
|
1.0
|
1.2
|
1.1
|
Mehefin 2015
|
-2.2
|
-2.0
|
-3.0
|
Gorffennaf 2015
|
-2.3
|
-2.1
|
-2.5
|
Awst 2015
|
2.7
|
2.6
|
2.2
|
Medi 2015
|
-0.4
|
-0.9
|
-0.6
|
Hydref 2015
|
0.6
|
0.6
|
0.7
|
Tachwedd 2015
|
-1.9
|
-1.9
|
-2.1
|
Rhagfyr 2015
|
3.2
|
3.2
|
2.7
|
Ionawr 2016
|
1.0
|
1.0
|
0.7
|
Chwefror 2016
|
-1.2
|
-1.1
|
-1.4
|
Mawrth 2016
|
-2.1
|
-2.0
|
-1.2
|
Ebrill 2016
|
-2.8
|
-3.1
|
-3.1
|
Mai 2016
|
-0.1
|
0.3
|
1.4
|
Mehefin 2016
|
1.1
|
0.9
|
0.6
|
Gorffennaf 2016
|
6.0
|
6.2
|
6.4
|
Awst 2016
|
-1.9
|
-2.1
|
-2.4
|
Medi 2016
|
0.2
|
0.4
|
0.3
|
Hydref 2016
|
-1.3
|
-1.5
|
-1.2
|
Tachwedd 2016
|
1.1
|
0.7
|
0.7
|
Rhagfyr 2016
|
-0.1
|
-0.2
|
0.3
|
Ionawr 2017
|
-1.0
|
-1.0
|
-0.8
|
Chwefror 2017
|
-0.0
|
0.0
|
0.7
|
Mawrth 2017
|
3.0
|
2.7
|
3.0
|
Ebrill 2017
|
-0.7
|
-1.0
|
-0.5
|
Mai 2017
|
1.5
|
1.8
|
1.9
|
Mehefin 2017
|
-1.6
|
-1.4
|
-0.8
|
Gorffennaf 2017
|
2.8
|
3.0
|
2.8
|
Awst 2017
|
2.6
|
2.3
|
1.7
|
Medi 2017
|
0.1
|
0.0
|
-0.6
|
Hydref 2017
|
-0.9
|
-1.0
|
-1.5
|
Tachwedd 2017
|
0.1
|
0.3
|
-0.1
|
Rhagfyr 2017
|
-0.5
|
-0.5
|
-0.8
|
Ionawr 2018
|
-1.1
|
-0.9
|
-0.8
|
Chwefror 2018
|
0.3
|
0.2
|
0.6
|
Mawrth 2018
|
0.9
|
1.2
|
1.1
|
Ebrill 2018
|
-0.0
|
-0.2
|
-0.8
|
Mai 2018
|
-0.8
|
-0.9
|
-1.7
|
Mehefin 2018
|
-0.4
|
-0.2
|
-0.5
|
Gorffennaf 2018
|
1.6
|
1.4
|
1.4
|
Awst 2018
|
-0.3
|
-0.0
|
0.0
|
Medi 2018
|
0.7
|
0.6
|
0.1
|
Hydref 2018
|
1.2
|
1.4
|
1.4
|
Tachwedd 2018
|
-0.1
|
-0.4
|
-0.9
|
Rhagfyr 2018
|
1.5
|
1.5
|
1.7
|
Ionawr 2019
|
-0.5
|
-0.6
|
-0.8
|
Chwefror 2019
|
0.3
|
0.4
|
0.6
|
Mawrth 2019
|
-2.5
|
-2.5
|
-2.9
|
Ebrill 2019
|
0.3
|
0.5
|
0.2
|
Mai 2019
|
-0.4
|
-0.2
|
-0.4
|
Mehefin 2019
|
1.4
|
1.5
|
1.8
|
Gorffennaf 2019
|
-2.2
|
-2.0
|
-1.7
|
Awst 2019
|
0.9
|
0.6
|
0.2
|
Medi 2019
|
0.6
|
0.4
|
0.3
|
Hydref 2019
|
1.3
|
1.4
|
0.6
|
Tachwedd 2019
|
0.3
|
0.5
|
0.4
|
Rhagfyr 2019
|
-0.0
|
0.0
|
-0.5
|
Ionawr 2020
|
-1.2
|
-1.2
|
-1.4
|
Chwefror 2020
|
1.9
|
1.9
|
2.0
|
Mawrth 2020
|
-1.5
|
-1.4
|
-1.4
|
Ebrill 2020
|
1.0
|
0.9
|
0.4
|
Mai 2020
|
1.0
|
1.4
|
1.4
|
Mehefin 2020
|
1.3
|
1.6
|
1.2
|
Gorffennaf 2020
|
3.2
|
3.1
|
3.5
|
Awst 2020
|
-1.2
|
-1.3
|
-2.0
|
Medi 2020
|
1.3
|
1.0
|
0.6
|
Hydref 2020
|
-1.0
|
-1.4
|
-1.9
|
Tachwedd 2020
|
1.7
|
1.3
|
1.5
|
Rhagfyr 2020
|
1.6
|
1.3
|
1.2
|
Dyddiad
|
Tai ar wahân
|
Tai pâr
|
Fflatiau a fflatiau deulawr
|
Ionawr 2007
|
101.8
|
103.2
|
117.7
|
Chwefror 2007
|
100.1
|
101.6
|
116.9
|
Mawrth 2007
|
98.9
|
100.7
|
115.8
|
Ebrill 2007
|
99.9
|
101.7
|
117.2
|
Mai 2007
|
101.9
|
103.8
|
119.4
|
Mehefin 2007
|
100.8
|
102.4
|
117.9
|
Gorffennaf 2007
|
98.9
|
100.4
|
115.2
|
Awst 2007
|
101.7
|
102.8
|
117.0
|
Medi 2007
|
104.5
|
105.4
|
119.4
|
Hydref 2007
|
107.2
|
107.9
|
122.9
|
Tachwedd 2007
|
104.1
|
104.6
|
119.4
|
Rhagfyr 2007
|
103.8
|
104.1
|
119.4
|
Ionawr 2008
|
107.0
|
107.2
|
123.1
|
Chwefror 2008
|
107.7
|
108.2
|
124.3
|
Mawrth 2008
|
104.3
|
105.4
|
120.6
|
Ebrill 2008
|
94.4
|
95.6
|
108.6
|
Mai 2008
|
94.2
|
95.8
|
108.8
|
Mehefin 2008
|
95.3
|
96.8
|
109.9
|
Gorffennaf 2008
|
100.6
|
102.4
|
115.6
|
Awst 2008
|
100.1
|
101.4
|
114.5
|
Medi 2008
|
102.3
|
103.0
|
116.6
|
Hydref 2008
|
93.4
|
93.7
|
106.5
|
Tachwedd 2008
|
89.7
|
90.3
|
102.7
|
Rhagfyr 2008
|
82.8
|
83.6
|
95.0
|
Ionawr 2009
|
97.5
|
97.8
|
111.5
|
Chwefror 2009
|
95.2
|
95.4
|
108.7
|
Mawrth 2009
|
95.5
|
95.7
|
109.3
|
Ebrill 2009
|
85.8
|
86.9
|
98.7
|
Mai 2009
|
88.7
|
89.9
|
101.6
|
Mehefin 2009
|
94.2
|
95.4
|
107.2
|
Gorffennaf 2009
|
94.3
|
95.0
|
105.6
|
Awst 2009
|
97.1
|
97.7
|
107.7
|
Medi 2009
|
93.3
|
93.9
|
102.5
|
Hydref 2009
|
96.4
|
97.1
|
106.0
|
Tachwedd 2009
|
96.2
|
96.5
|
105.1
|
Rhagfyr 2009
|
98.8
|
99.3
|
108.2
|
Ionawr 2010
|
99.2
|
99.5
|
107.3
|
Chwefror 2010
|
97.9
|
98.6
|
104.9
|
Mawrth 2010
|
94.8
|
95.4
|
101.2
|
Ebrill 2010
|
94.9
|
95.7
|
101.4
|
Mai 2010
|
98.2
|
98.8
|
105.3
|
Mehefin 2010
|
101.9
|
102.6
|
108.4
|
Gorffennaf 2010
|
106.1
|
106.1
|
111.5
|
Awst 2010
|
103.5
|
103.8
|
107.8
|
Medi 2010
|
106.8
|
106.6
|
110.5
|
Hydref 2010
|
104.6
|
104.8
|
108.9
|
Tachwedd 2010
|
105.0
|
104.9
|
109.7
|
Rhagfyr 2010
|
98.1
|
98.2
|
102.6
|
Ionawr 2011
|
93.8
|
93.8
|
97.8
|
Chwefror 2011
|
94.8
|
95.0
|
99.2
|
Mawrth 2011
|
99.3
|
99.1
|
103.9
|
Ebrill 2011
|
99.8
|
99.9
|
104.6
|
Mai 2011
|
96.8
|
97.1
|
102.0
|
Mehefin 2011
|
94.8
|
95.4
|
100.0
|
Gorffennaf 2011
|
96.8
|
97.8
|
103.0
|
Awst 2011
|
96.9
|
97.8
|
101.8
|
Medi 2011
|
96.0
|
96.4
|
99.6
|
Hydref 2011
|
93.6
|
93.6
|
95.9
|
Tachwedd 2011
|
94.9
|
94.9
|
97.8
|
Rhagfyr 2011
|
95.3
|
95.3
|
98.4
|
Ionawr 2012
|
95.8
|
95.9
|
98.6
|
Chwefror 2012
|
93.8
|
93.8
|
95.9
|
Mawrth 2012
|
93.5
|
93.9
|
96.1
|
Ebrill 2012
|
94.7
|
95.0
|
98.0
|
Mai 2012
|
90.4
|
90.9
|
94.0
|
Mehefin 2012
|
95.7
|
95.8
|
98.8
|
Gorffennaf 2012
|
94.6
|
94.7
|
97.4
|
Awst 2012
|
98.7
|
98.5
|
100.8
|
Medi 2012
|
93.1
|
93.0
|
95.3
|
Hydref 2012
|
91.6
|
91.6
|
93.8
|
Tachwedd 2012
|
91.9
|
92.1
|
94.1
|
Rhagfyr 2012
|
92.2
|
92.0
|
93.6
|
Ionawr 2013
|
93.3
|
93.4
|
94.6
|
Chwefror 2013
|
88.6
|
88.8
|
90.1
|
Mawrth 2013
|
90.4
|
91.0
|
92.0
|
Ebrill 2013
|
88.8
|
89.1
|
90.0
|
Mai 2013
|
93.6
|
93.9
|
95.1
|
Mehefin 2013
|
95.6
|
95.8
|
97.2
|
Gorffennaf 2013
|
96.9
|
97.2
|
98.8
|
Awst 2013
|
99.8
|
99.9
|
101.2
|
Medi 2013
|
95.9
|
95.9
|
97.0
|
Hydref 2013
|
93.1
|
92.9
|
93.6
|
Tachwedd 2013
|
91.7
|
91.7
|
91.7
|
Rhagfyr 2013
|
90.8
|
91.1
|
91.2
|
Ionawr 2014
|
95.6
|
95.8
|
96.3
|
Chwefror 2014
|
97.5
|
97.4
|
98.1
|
Mawrth 2014
|
96.9
|
96.9
|
97.6
|
Ebrill 2014
|
94.5
|
94.5
|
94.9
|
Mai 2014
|
95.6
|
95.9
|
96.6
|
Mehefin 2014
|
98.5
|
98.8
|
99.2
|
Gorffennaf 2014
|
101.3
|
101.6
|
101.8
|
Awst 2014
|
98.4
|
98.4
|
97.9
|
Medi 2014
|
98.8
|
98.6
|
98.0
|
Hydref 2014
|
98.3
|
98.0
|
97.7
|
Tachwedd 2014
|
99.1
|
99.0
|
98.9
|
Rhagfyr 2014
|
98.6
|
98.5
|
98.6
|
Ionawr 2015
|
100.0
|
100.0
|
100.0
|
Chwefror 2015
|
98.1
|
97.8
|
98.0
|
Mawrth 2015
|
100.0
|
99.6
|
100.1
|
Ebrill 2015
|
100.2
|
99.5
|
100.1
|
Mai 2015
|
101.3
|
100.7
|
101.2
|
Mehefin 2015
|
99.0
|
98.7
|
98.2
|
Gorffennaf 2015
|
96.8
|
96.6
|
95.7
|
Awst 2015
|
99.4
|
99.1
|
97.9
|
Medi 2015
|
99.0
|
98.3
|
97.3
|
Hydref 2015
|
99.7
|
98.9
|
98.0
|
Tachwedd 2015
|
97.8
|
97.0
|
96.0
|
Rhagfyr 2015
|
100.9
|
100.1
|
98.6
|
Ionawr 2016
|
101.8
|
101.1
|
99.3
|
Chwefror 2016
|
100.6
|
100.0
|
97.8
|
Mawrth 2016
|
98.6
|
98.0
|
96.6
|
Ebrill 2016
|
95.7
|
94.9
|
93.7
|
Mai 2016
|
95.7
|
95.2
|
95.0
|
Mehefin 2016
|
96.7
|
96.0
|
95.6
|
Gorffennaf 2016
|
102.4
|
101.9
|
101.6
|
Awst 2016
|
100.5
|
99.8
|
99.2
|
Medi 2016
|
100.7
|
100.2
|
99.5
|
Hydref 2016
|
99.4
|
98.6
|
98.3
|
Tachwedd 2016
|
100.4
|
99.4
|
99.0
|
Rhagfyr 2016
|
100.4
|
99.2
|
99.3
|
Ionawr 2017
|
99.4
|
98.2
|
98.5
|
Chwefror 2017
|
99.4
|
98.2
|
99.2
|
Mawrth 2017
|
102.3
|
100.8
|
102.2
|
Ebrill 2017
|
101.6
|
99.9
|
101.7
|
Mai 2017
|
103.2
|
101.7
|
103.6
|
Mehefin 2017
|
101.6
|
100.3
|
102.8
|
Gorffennaf 2017
|
104.4
|
103.4
|
105.6
|
Awst 2017
|
107.1
|
105.7
|
107.5
|
Medi 2017
|
107.2
|
105.7
|
106.8
|
Hydref 2017
|
106.2
|
104.7
|
105.2
|
Tachwedd 2017
|
106.4
|
105.1
|
105.1
|
Rhagfyr 2017
|
105.9
|
104.6
|
104.2
|
Ionawr 2018
|
104.7
|
103.6
|
103.4
|
Chwefror 2018
|
105.0
|
103.8
|
104.0
|
Mawrth 2018
|
105.9
|
105.0
|
105.2
|
Ebrill 2018
|
105.9
|
104.8
|
104.4
|
Mai 2018
|
105.0
|
103.9
|
102.6
|
Mehefin 2018
|
104.6
|
103.7
|
102.1
|
Gorffennaf 2018
|
106.3
|
105.1
|
103.6
|
Awst 2018
|
106.0
|
105.1
|
103.6
|
Medi 2018
|
106.7
|
105.7
|
103.8
|
Hydref 2018
|
107.9
|
107.1
|
105.2
|
Tachwedd 2018
|
107.8
|
106.7
|
104.3
|
Rhagfyr 2018
|
109.5
|
108.3
|
106.1
|
Ionawr 2019
|
108.9
|
107.6
|
105.2
|
Chwefror 2019
|
109.3
|
108.0
|
105.8
|
Mawrth 2019
|
106.5
|
105.4
|
102.7
|
Ebrill 2019
|
106.8
|
105.9
|
103.0
|
Mai 2019
|
106.4
|
105.7
|
102.5
|
Mehefin 2019
|
107.9
|
107.2
|
104.4
|
Gorffennaf 2019
|
105.5
|
105.2
|
102.7
|
Awst 2019
|
106.5
|
105.8
|
102.9
|
Medi 2019
|
107.1
|
106.3
|
103.2
|
Hydref 2019
|
108.5
|
107.8
|
103.9
|
Tachwedd 2019
|
108.9
|
108.3
|
104.3
|
Rhagfyr 2019
|
108.9
|
108.3
|
103.7
|
Ionawr 2020
|
107.6
|
107.0
|
102.2
|
Chwefror 2020
|
109.7
|
109.1
|
104.3
|
Mawrth 2020
|
108.0
|
107.5
|
102.8
|
Ebrill 2020
|
109.1
|
108.5
|
103.3
|
Mai 2020
|
110.2
|
110.0
|
104.7
|
Mehefin 2020
|
111.7
|
111.7
|
105.9
|
Gorffennaf 2020
|
115.2
|
115.2
|
109.6
|
Awst 2020
|
113.9
|
113.7
|
107.4
|
Medi 2020
|
115.3
|
114.8
|
108.1
|
Hydref 2020
|
114.2
|
113.2
|
106.1
|
Tachwedd 2020
|
116.1
|
114.6
|
107.7
|
Rhagfyr 2020
|
118.0
|
116.2
|
109.0
|
Statws y prynwr
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol yn ôl y math o brynwr e.e. Prynwr am y Tro Cyntaf neu Gyn Berchen-Feddiannydd
Statws cyllido
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol a nifer y gwerthiannau yn ôl statws cyllido, e.e. Arian Parod/Morgais
Dyddiad
|
Pryniannau arian parod
|
Ionawr 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
|
167182.0
|
Chwefror 2012
|
167144.0
|
Mawrth 2012
|
166612.0
|
Ebrill 2012
|
168906.0
|
Mai 2012
|
161240.0
|
Mehefin 2012
|
170425.0
|
Gorffennaf 2012
|
168678.0
|
Awst 2012
|
175740.0
|
Medi 2012
|
165938.0
|
Hydref 2012
|
163217.0
|
Tachwedd 2012
|
163804.0
|
Rhagfyr 2012
|
163981.0
|
Ionawr 2013
|
166200.0
|
Chwefror 2013
|
157938.0
|
Mawrth 2013
|
161336.0
|
Ebrill 2013
|
158308.0
|
Mai 2013
|
166955.0
|
Mehefin 2013
|
170442.0
|
Gorffennaf 2013
|
173048.0
|
Awst 2013
|
178138.0
|
Medi 2013
|
171038.0
|
Hydref 2013
|
165697.0
|
Tachwedd 2013
|
163070.0
|
Rhagfyr 2013
|
161631.0
|
Ionawr 2014
|
170156.0
|
Chwefror 2014
|
173241.0
|
Mawrth 2014
|
172304.0
|
Ebrill 2014
|
167925.0
|
Mai 2014
|
170280.0
|
Mehefin 2014
|
175407.0
|
Gorffennaf 2014
|
180366.0
|
Awst 2014
|
174800.0
|
Medi 2014
|
175473.0
|
Hydref 2014
|
174472.0
|
Tachwedd 2014
|
176029.0
|
Rhagfyr 2014
|
175038.0
|
Ionawr 2015
|
177577.0
|
Chwefror 2015
|
173980.0
|
Mawrth 2015
|
177311.0
|
Ebrill 2015
|
177477.0
|
Mai 2015
|
179432.0
|
Mehefin 2015
|
175539.0
|
Gorffennaf 2015
|
171637.0
|
Awst 2015
|
176245.0
|
Medi 2015
|
175221.0
|
Hydref 2015
|
176335.0
|
Tachwedd 2015
|
172920.0
|
Rhagfyr 2015
|
178217.0
|
Ionawr 2016
|
179816.0
|
Chwefror 2016
|
177643.0
|
Mawrth 2016
|
174243.0
|
Ebrill 2016
|
169108.0
|
Mai 2016
|
169387.0
|
Mehefin 2016
|
170949.0
|
Gorffennaf 2016
|
181400.0
|
Awst 2016
|
177896.0
|
Medi 2016
|
178312.0
|
Hydref 2016
|
175664.0
|
Tachwedd 2016
|
177091.0
|
Rhagfyr 2016
|
176954.0
|
Ionawr 2017
|
175317.0
|
Chwefror 2017
|
175512.0
|
Mawrth 2017
|
180564.0
|
Ebrill 2017
|
179254.0
|
Mai 2017
|
182114.0
|
Mehefin 2017
|
179634.0
|
Gorffennaf 2017
|
184774.0
|
Awst 2017
|
189469.0
|
Medi 2017
|
189436.0
|
Hydref 2017
|
187617.0
|
Tachwedd 2017
|
187767.0
|
Rhagfyr 2017
|
186794.0
|
Ionawr 2018
|
184842.0
|
Chwefror 2018
|
185366.0
|
Mawrth 2018
|
187258.0
|
Ebrill 2018
|
187072.0
|
Mai 2018
|
185320.0
|
Mehefin 2018
|
184655.0
|
Gorffennaf 2018
|
187415.0
|
Awst 2018
|
187113.0
|
Medi 2018
|
188212.0
|
Hydref 2018
|
190574.0
|
Tachwedd 2018
|
189965.0
|
Rhagfyr 2018
|
192834.0
|
Ionawr 2019
|
191715.0
|
Chwefror 2019
|
192349.0
|
Mawrth 2019
|
187475.0
|
Ebrill 2019
|
188246.0
|
Mai 2019
|
187697.0
|
Mehefin 2019
|
190513.0
|
Gorffennaf 2019
|
186497.0
|
Awst 2019
|
188021.0
|
Medi 2019
|
189082.0
|
Hydref 2019
|
191465.0
|
Tachwedd 2019
|
192053.0
|
Rhagfyr 2019
|
191908.0
|
Ionawr 2020
|
189572.0
|
Chwefror 2020
|
193344.0
|
Mawrth 2020
|
190481.0
|
Ebrill 2020
|
192418.0
|
Mai 2020
|
194504.0
|
Mehefin 2020
|
197228.0
|
Gorffennaf 2020
|
203467.0
|
Awst 2020
|
200903.0
|
Medi 2020
|
203199.0
|
Hydref 2020
|
200953.0
|
Tachwedd 2020
|
204151.0
|
Rhagfyr 2020
|
207231.0
|
Dyddiad
|
Pryniannau arian parod
|
Ionawr 2007
|
|
Chwefror 2007
|
|
Mawrth 2007
|
|
Ebrill 2007
|
|
Mai 2007
|
|
Mehefin 2007
|
|
Gorffennaf 2007
|
|
Awst 2007
|
|
Medi 2007
|
|
Hydref 2007
|
|
Tachwedd 2007
|
|
Rhagfyr 2007
|
|
Ionawr 2008
|
|
Chwefror 2008
|
|
Mawrth 2008
|
|
Ebrill 2008
|
|
Mai 2008
|
|
Mehefin 2008
|
|
Gorffennaf 2008
|
|
Awst 2008
|
|
Medi 2008
|
|
Hydref 2008
|
|
Tachwedd 2008
|
|
Rhagfyr 2008
|
|
Ionawr 2009
|
|
Chwefror 2009
|
|
Mawrth 2009
|
|
Ebrill 2009
|
|
Mai 2009
|
|
Mehefin 2009
|
|
Gorffennaf 2009
|
|
Awst 2009
|
|
Medi 2009
|
|
Hydref 2009
|
|
Tachwedd 2009
|
|
Rhagfyr 2009
|
|
Ionawr 2010
|
|
Chwefror 2010
|
|
Mawrth 2010
|
|
Ebrill 2010
|
|
Mai 2010
|
|
Mehefin 2010
|
|
Gorffennaf 2010
|
|
Awst 2010
|
|
Medi 2010
|
|
Hydref 2010
|
|
Tachwedd 2010
|
|
Rhagfyr 2010
|
|
Ionawr 2011
|
|
Chwefror 2011
|
|
Mawrth 2011
|
|
Ebrill 2011
|
|
Mai 2011
|
|
Mehefin 2011
|
|
Gorffennaf 2011
|
|
Awst 2011
|
|
Medi 2011
|
|
Hydref 2011
|
|
Tachwedd 2011
|
|
Rhagfyr 2011
|
|
Ionawr 2012
|
|
Chwefror 2012
|
|
Mawrth 2012
|
|
Ebrill 2012
|
|
Mai 2012
|
|
Mehefin 2012
|
|
Gorffennaf 2012
|
|
Awst 2012
|
|
Medi 2012
|
|
Hydref 2012
|
|
Tachwedd 2012
|
|
Rhagfyr 2012
|
|
Ionawr 2013
|
-0.6
|
Chwefror 2013
|
-5.5
|
Mawrth 2013
|
-3.2
|
Ebrill 2013
|
-6.3
|
Mai 2013
|
3.5
|
Mehefin 2013
|
0.0
|
Gorffennaf 2013
|
2.6
|
Awst 2013
|
1.4
|
Medi 2013
|
3.1
|
Hydref 2013
|
1.5
|
Tachwedd 2013
|
-0.4
|
Rhagfyr 2013
|
-1.4
|
Ionawr 2014
|
2.4
|
Chwefror 2014
|
9.7
|
Mawrth 2014
|
6.8
|
Ebrill 2014
|
6.1
|
Mai 2014
|
2.0
|
Mehefin 2014
|
2.9
|
Gorffennaf 2014
|
4.2
|
Awst 2014
|
-1.9
|
Medi 2014
|
2.6
|
Hydref 2014
|
5.3
|
Tachwedd 2014
|
8.0
|
Rhagfyr 2014
|
8.3
|
Ionawr 2015
|
4.4
|
Chwefror 2015
|
0.4
|
Mawrth 2015
|
2.9
|
Ebrill 2015
|
5.7
|
Mai 2015
|
5.4
|
Mehefin 2015
|
0.1
|
Gorffennaf 2015
|
-4.8
|
Awst 2015
|
0.8
|
Medi 2015
|
-0.1
|
Hydref 2015
|
1.1
|
Tachwedd 2015
|
-1.8
|
Rhagfyr 2015
|
1.8
|
Ionawr 2016
|
1.3
|
Chwefror 2016
|
2.1
|
Mawrth 2016
|
-1.7
|
Ebrill 2016
|
-4.7
|
Mai 2016
|
-5.6
|
Mehefin 2016
|
-2.6
|
Gorffennaf 2016
|
5.7
|
Awst 2016
|
0.9
|
Medi 2016
|
1.8
|
Hydref 2016
|
-0.4
|
Tachwedd 2016
|
2.4
|
Rhagfyr 2016
|
-0.7
|
Ionawr 2017
|
-2.5
|
Chwefror 2017
|
-1.2
|
Mawrth 2017
|
3.6
|
Ebrill 2017
|
5.0
|
Mai 2017
|
7.2
|
Mehefin 2017
|
5.1
|
Gorffennaf 2017
|
1.9
|
Awst 2017
|
6.5
|
Medi 2017
|
6.2
|
Hydref 2017
|
6.8
|
Tachwedd 2017
|
6.0
|
Rhagfyr 2017
|
5.6
|
Ionawr 2018
|
5.4
|
Chwefror 2018
|
5.6
|
Mawrth 2018
|
3.7
|
Ebrill 2018
|
4.4
|
Mai 2018
|
1.8
|
Mehefin 2018
|
2.8
|
Gorffennaf 2018
|
1.4
|
Awst 2018
|
-1.2
|
Medi 2018
|
-0.6
|
Hydref 2018
|
1.6
|
Tachwedd 2018
|
1.2
|
Rhagfyr 2018
|
3.2
|
Ionawr 2019
|
3.7
|
Chwefror 2019
|
3.8
|
Mawrth 2019
|
0.1
|
Ebrill 2019
|
0.6
|
Mai 2019
|
1.3
|
Mehefin 2019
|
3.2
|
Gorffennaf 2019
|
-0.5
|
Awst 2019
|
0.5
|
Medi 2019
|
0.5
|
Hydref 2019
|
0.5
|
Tachwedd 2019
|
1.1
|
Rhagfyr 2019
|
-0.5
|
Ionawr 2020
|
-1.1
|
Chwefror 2020
|
0.5
|
Mawrth 2020
|
1.6
|
Ebrill 2020
|
2.2
|
Mai 2020
|
3.6
|
Mehefin 2020
|
3.5
|
Gorffennaf 2020
|
9.1
|
Awst 2020
|
6.8
|
Medi 2020
|
7.5
|
Hydref 2020
|
5.0
|
Tachwedd 2020
|
6.3
|
Rhagfyr 2020
|
8.0
|
Dyddiad
|
Pryniannau arian parod
|
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
|
-0.3
|
Ebrill 2012
|
1.4
|
Mai 2012
|
-4.5
|
Mehefin 2012
|
5.7
|
Gorffennaf 2012
|
-1.0
|
Awst 2012
|
4.2
|
Medi 2012
|
-5.6
|
Hydref 2012
|
-1.6
|
Tachwedd 2012
|
0.4
|
Rhagfyr 2012
|
0.1
|
Ionawr 2013
|
1.4
|
Chwefror 2013
|
-5.0
|
Mawrth 2013
|
2.2
|
Ebrill 2013
|
-1.9
|
Mai 2013
|
5.5
|
Mehefin 2013
|
2.1
|
Gorffennaf 2013
|
1.5
|
Awst 2013
|
2.9
|
Medi 2013
|
-4.0
|
Hydref 2013
|
-3.1
|
Tachwedd 2013
|
-1.6
|
Rhagfyr 2013
|
-0.9
|
Ionawr 2014
|
5.3
|
Chwefror 2014
|
1.8
|
Mawrth 2014
|
-0.5
|
Ebrill 2014
|
-2.5
|
Mai 2014
|
1.4
|
Mehefin 2014
|
3.0
|
Gorffennaf 2014
|
2.8
|
Awst 2014
|
-3.1
|
Medi 2014
|
0.4
|
Hydref 2014
|
-0.6
|
Tachwedd 2014
|
0.9
|
Rhagfyr 2014
|
-0.6
|
Ionawr 2015
|
1.4
|
Chwefror 2015
|
-2.0
|
Mawrth 2015
|
1.9
|
Ebrill 2015
|
0.1
|
Mai 2015
|
1.1
|
Mehefin 2015
|
-2.2
|
Gorffennaf 2015
|
-2.2
|
Awst 2015
|
2.7
|
Medi 2015
|
-0.6
|
Hydref 2015
|
0.6
|
Tachwedd 2015
|
-1.9
|
Rhagfyr 2015
|
3.1
|
Ionawr 2016
|
0.9
|
Chwefror 2016
|
-1.2
|
Mawrth 2016
|
-1.9
|
Ebrill 2016
|
-3.0
|
Mai 2016
|
0.2
|
Mehefin 2016
|
0.9
|
Gorffennaf 2016
|
6.1
|
Awst 2016
|
-1.9
|
Medi 2016
|
0.2
|
Hydref 2016
|
-1.5
|
Tachwedd 2016
|
0.8
|
Rhagfyr 2016
|
-0.1
|
Ionawr 2017
|
-0.9
|
Chwefror 2017
|
0.1
|
Mawrth 2017
|
2.9
|
Ebrill 2017
|
-0.7
|
Mai 2017
|
1.6
|
Mehefin 2017
|
-1.4
|
Gorffennaf 2017
|
2.9
|
Awst 2017
|
2.5
|
Medi 2017
|
-0.0
|
Hydref 2017
|
-1.0
|
Tachwedd 2017
|
0.1
|
Rhagfyr 2017
|
-0.5
|
Ionawr 2018
|
-1.0
|
Chwefror 2018
|
0.3
|
Mawrth 2018
|
1.0
|
Ebrill 2018
|
-0.1
|
Mai 2018
|
-0.9
|
Mehefin 2018
|
-0.4
|
Gorffennaf 2018
|
1.5
|
Awst 2018
|
-0.2
|
Medi 2018
|
0.6
|
Hydref 2018
|
1.2
|
Tachwedd 2018
|
-0.3
|
Rhagfyr 2018
|
1.5
|
Ionawr 2019
|
-0.6
|
Chwefror 2019
|
0.3
|
Mawrth 2019
|
-2.5
|
Ebrill 2019
|
0.4
|
Mai 2019
|
-0.3
|
Mehefin 2019
|
1.5
|
Gorffennaf 2019
|
-2.1
|
Awst 2019
|
0.8
|
Medi 2019
|
0.6
|
Hydref 2019
|
1.3
|
Tachwedd 2019
|
0.3
|
Rhagfyr 2019
|
-0.1
|
Ionawr 2020
|
-1.2
|
Chwefror 2020
|
2.0
|
Mawrth 2020
|
-1.5
|
Ebrill 2020
|
1.0
|
Mai 2020
|
1.1
|
Mehefin 2020
|
1.4
|
Gorffennaf 2020
|
3.2
|
Awst 2020
|
-1.3
|
Medi 2020
|
1.1
|
Hydref 2020
|
-1.1
|
Tachwedd 2020
|
1.6
|
Rhagfyr 2020
|
1.5
|
Dyddiad
|
Pryniannau arian parod
|
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
|
94.2
|
Chwefror 2012
|
94.1
|
Mawrth 2012
|
93.8
|
Ebrill 2012
|
95.1
|
Mai 2012
|
90.8
|
Mehefin 2012
|
96.0
|
Gorffennaf 2012
|
95.0
|
Awst 2012
|
99.0
|
Medi 2012
|
93.4
|
Hydref 2012
|
91.9
|
Tachwedd 2012
|
92.2
|
Rhagfyr 2012
|
92.3
|
Ionawr 2013
|
93.6
|
Chwefror 2013
|
88.9
|
Mawrth 2013
|
90.8
|
Ebrill 2013
|
89.2
|
Mai 2013
|
94.0
|
Mehefin 2013
|
96.0
|
Gorffennaf 2013
|
97.4
|
Awst 2013
|
100.3
|
Medi 2013
|
96.3
|
Hydref 2013
|
93.3
|
Tachwedd 2013
|
91.8
|
Rhagfyr 2013
|
91.0
|
Ionawr 2014
|
95.8
|
Chwefror 2014
|
97.6
|
Mawrth 2014
|
97.0
|
Ebrill 2014
|
94.6
|
Mai 2014
|
95.9
|
Mehefin 2014
|
98.8
|
Gorffennaf 2014
|
101.6
|
Awst 2014
|
98.4
|
Medi 2014
|
98.8
|
Hydref 2014
|
98.2
|
Tachwedd 2014
|
99.1
|
Rhagfyr 2014
|
98.6
|
Ionawr 2015
|
100.0
|
Chwefror 2015
|
98.0
|
Mawrth 2015
|
99.8
|
Ebrill 2015
|
99.9
|
Mai 2015
|
101.0
|
Mehefin 2015
|
98.8
|
Gorffennaf 2015
|
96.6
|
Awst 2015
|
99.2
|
Medi 2015
|
98.7
|
Hydref 2015
|
99.3
|
Tachwedd 2015
|
97.4
|
Rhagfyr 2015
|
100.4
|
Ionawr 2016
|
101.3
|
Chwefror 2016
|
100.0
|
Mawrth 2016
|
98.1
|
Ebrill 2016
|
95.2
|
Mai 2016
|
95.4
|
Mehefin 2016
|
96.3
|
Gorffennaf 2016
|
102.2
|
Awst 2016
|
100.2
|
Medi 2016
|
100.4
|
Hydref 2016
|
98.9
|
Tachwedd 2016
|
99.7
|
Rhagfyr 2016
|
99.6
|
Ionawr 2017
|
98.7
|
Chwefror 2017
|
98.8
|
Mawrth 2017
|
101.7
|
Ebrill 2017
|
100.9
|
Mai 2017
|
102.6
|
Mehefin 2017
|
101.2
|
Gorffennaf 2017
|
104.0
|
Awst 2017
|
106.7
|
Medi 2017
|
106.7
|
Hydref 2017
|
105.6
|
Tachwedd 2017
|
105.7
|
Rhagfyr 2017
|
105.2
|
Ionawr 2018
|
104.1
|
Chwefror 2018
|
104.4
|
Mawrth 2018
|
105.4
|
Ebrill 2018
|
105.4
|
Mai 2018
|
104.4
|
Mehefin 2018
|
104.0
|
Gorffennaf 2018
|
105.5
|
Awst 2018
|
105.4
|
Medi 2018
|
106.0
|
Hydref 2018
|
107.3
|
Tachwedd 2018
|
107.0
|
Rhagfyr 2018
|
108.6
|
Ionawr 2019
|
108.0
|
Chwefror 2019
|
108.3
|
Mawrth 2019
|
105.6
|
Ebrill 2019
|
106.0
|
Mai 2019
|
105.7
|
Mehefin 2019
|
107.3
|
Gorffennaf 2019
|
105.0
|
Awst 2019
|
105.9
|
Medi 2019
|
106.5
|
Hydref 2019
|
107.8
|
Tachwedd 2019
|
108.2
|
Rhagfyr 2019
|
108.1
|
Ionawr 2020
|
106.8
|
Chwefror 2020
|
108.9
|
Mawrth 2020
|
107.3
|
Ebrill 2020
|
108.4
|
Mai 2020
|
109.5
|
Mehefin 2020
|
111.1
|
Gorffennaf 2020
|
114.6
|
Awst 2020
|
113.1
|
Medi 2020
|
114.4
|
Hydref 2020
|
113.2
|
Tachwedd 2020
|
115.0
|
Rhagfyr 2020
|
116.7
|
Statws yr eiddo
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol a nifer y gwerthiannau yn ôl cyllido yn ôl statws yr eiddo, e.e. Newydd/Presennol
Dyddiad
|
Adeilad newydd
|
Ionawr 2007
|
156011.0
|
Chwefror 2007
|
154075.0
|
Mawrth 2007
|
152441.0
|
Ebrill 2007
|
152689.0
|
Mai 2007
|
155992.0
|
Mehefin 2007
|
153711.0
|
Gorffennaf 2007
|
151706.0
|
Awst 2007
|
153981.0
|
Medi 2007
|
157708.0
|
Hydref 2007
|
161436.0
|
Tachwedd 2007
|
156819.0
|
Rhagfyr 2007
|
156457.0
|
Ionawr 2008
|
161546.0
|
Chwefror 2008
|
165141.0
|
Mawrth 2008
|
162026.0
|
Ebrill 2008
|
147815.0
|
Mai 2008
|
147075.0
|
Mehefin 2008
|
147989.0
|
Gorffennaf 2008
|
155331.0
|
Awst 2008
|
152435.0
|
Medi 2008
|
155411.0
|
Hydref 2008
|
141321.0
|
Tachwedd 2008
|
137713.0
|
Rhagfyr 2008
|
126464.0
|
Ionawr 2009
|
149403.0
|
Chwefror 2009
|
145602.0
|
Mawrth 2009
|
147868.0
|
Ebrill 2009
|
133878.0
|
Mai 2009
|
137856.0
|
Mehefin 2009
|
144932.0
|
Gorffennaf 2009
|
142971.0
|
Awst 2009
|
146244.0
|
Medi 2009
|
139981.0
|
Hydref 2009
|
144557.0
|
Tachwedd 2009
|
143681.0
|
Rhagfyr 2009
|
147250.0
|
Ionawr 2010
|
145307.0
|
Chwefror 2010
|
143479.0
|
Mawrth 2010
|
138981.0
|
Ebrill 2010
|
140360.0
|
Mai 2010
|
144284.0
|
Mehefin 2010
|
148618.0
|
Gorffennaf 2010
|
152544.0
|
Awst 2010
|
148540.0
|
Medi 2010
|
153452.0
|
Hydref 2010
|
152928.0
|
Tachwedd 2010
|
154044.0
|
Rhagfyr 2010
|
144922.0
|
Ionawr 2011
|
139203.0
|
Chwefror 2011
|
142136.0
|
Mawrth 2011
|
149324.0
|
Ebrill 2011
|
150692.0
|
Mai 2011
|
147069.0
|
Mehefin 2011
|
143259.0
|
Gorffennaf 2011
|
146448.0
|
Awst 2011
|
145225.0
|
Medi 2011
|
142835.0
|
Hydref 2011
|
138734.0
|
Tachwedd 2011
|
141546.0
|
Rhagfyr 2011
|
142830.0
|
Ionawr 2012
|
143255.0
|
Chwefror 2012
|
140176.0
|
Mawrth 2012
|
140227.0
|
Ebrill 2012
|
142297.0
|
Mai 2012
|
135817.0
|
Mehefin 2012
|
142866.0
|
Gorffennaf 2012
|
139618.0
|
Awst 2012
|
144559.0
|
Medi 2012
|
135934.0
|
Hydref 2012
|
135808.0
|
Tachwedd 2012
|
137914.0
|
Rhagfyr 2012
|
139833.0
|
Ionawr 2013
|
140444.0
|
Chwefror 2013
|
132497.0
|
Mawrth 2013
|
135480.0
|
Ebrill 2013
|
134182.0
|
Mai 2013
|
141859.0
|
Mehefin 2013
|
143853.0
|
Gorffennaf 2013
|
145419.0
|
Awst 2013
|
149119.0
|
Medi 2013
|
143565.0
|
Hydref 2013
|
139893.0
|
Tachwedd 2013
|
139155.0
|
Rhagfyr 2013
|
138611.0
|
Ionawr 2014
|
145446.0
|
Chwefror 2014
|
147962.0
|
Mawrth 2014
|
147004.0
|
Ebrill 2014
|
143711.0
|
Mai 2014
|
146260.0
|
Mehefin 2014
|
150536.0
|
Gorffennaf 2014
|
154229.0
|
Awst 2014
|
147652.0
|
Medi 2014
|
147035.0
|
Hydref 2014
|
146178.0
|
Tachwedd 2014
|
147789.0
|
Rhagfyr 2014
|
147839.0
|
Ionawr 2015
|
150750.0
|
Chwefror 2015
|
148840.0
|
Mawrth 2015
|
152363.0
|
Ebrill 2015
|
152415.0
|
Mai 2015
|
153697.0
|
Mehefin 2015
|
148733.0
|
Gorffennaf 2015
|
144752.0
|
Awst 2015
|
147538.0
|
Medi 2015
|
146585.0
|
Hydref 2015
|
147675.0
|
Tachwedd 2015
|
145004.0
|
Rhagfyr 2015
|
150881.0
|
Ionawr 2016
|
152500.0
|
Chwefror 2016
|
150227.0
|
Mawrth 2016
|
144996.0
|
Ebrill 2016
|
142082.0
|
Mai 2016
|
146364.0
|
Mehefin 2016
|
149991.0
|
Gorffennaf 2016
|
157728.0
|
Awst 2016
|
152009.0
|
Medi 2016
|
152366.0
|
Hydref 2016
|
151318.0
|
Tachwedd 2016
|
153461.0
|
Rhagfyr 2016
|
154081.0
|
Ionawr 2017
|
153658.0
|
Chwefror 2017
|
154515.0
|
Mawrth 2017
|
159768.0
|
Ebrill 2017
|
157530.0
|
Mai 2017
|
160306.0
|
Mehefin 2017
|
156887.0
|
Gorffennaf 2017
|
161075.0
|
Awst 2017
|
163402.0
|
Medi 2017
|
163667.0
|
Hydref 2017
|
162413.0
|
Tachwedd 2017
|
163153.0
|
Rhagfyr 2017
|
162395.0
|
Ionawr 2018
|
161746.0
|
Chwefror 2018
|
165479.0
|
Mawrth 2018
|
168653.0
|
Ebrill 2018
|
168575.0
|
Mai 2018
|
163953.0
|
Mehefin 2018
|
162197.0
|
Gorffennaf 2018
|
163250.0
|
Awst 2018
|
163932.0
|
Medi 2018
|
164613.0
|
Hydref 2018
|
168430.0
|
Tachwedd 2018
|
166199.0
|
Rhagfyr 2018
|
169169.0
|
Ionawr 2019
|
167100.0
|
Chwefror 2019
|
170899.0
|
Mawrth 2019
|
167498.0
|
Ebrill 2019
|
168886.0
|
Mai 2019
|
166825.0
|
Mehefin 2019
|
167603.0
|
Gorffennaf 2019
|
164905.0
|
Awst 2019
|
165022.0
|
Medi 2019
|
167112.0
|
Hydref 2019
|
168328.0
|
Tachwedd 2019
|
168029.0
|
Rhagfyr 2019
|
166471.0
|
Ionawr 2020
|
165714.0
|
Chwefror 2020
|
170567.0
|
Mawrth 2020
|
170317.0
|
Ebrill 2020
|
173581.0
|
Mai 2020
|
179397.0
|
Mehefin 2020
|
180124.0
|
Gorffennaf 2020
|
182774.0
|
Awst 2020
|
176966.0
|
Medi 2020
|
178694.0
|
Hydref 2020
|
174365.0
|
Tachwedd 2020
|
174381.0
|
Rhagfyr 2020
|
175278.0
|
Dyddiad
|
Adeilad newydd
|
Ionawr 2007
|
10.2
|
Chwefror 2007
|
2.4
|
Mawrth 2007
|
2.6
|
Ebrill 2007
|
-3.0
|
Mai 2007
|
3.4
|
Mehefin 2007
|
0.1
|
Gorffennaf 2007
|
4.0
|
Awst 2007
|
6.8
|
Medi 2007
|
9.2
|
Hydref 2007
|
9.5
|
Tachwedd 2007
|
3.5
|
Rhagfyr 2007
|
1.6
|
Ionawr 2008
|
3.6
|
Chwefror 2008
|
7.2
|
Mawrth 2008
|
6.3
|
Ebrill 2008
|
-3.2
|
Mai 2008
|
-5.7
|
Mehefin 2008
|
-3.7
|
Gorffennaf 2008
|
2.4
|
Awst 2008
|
-1.0
|
Medi 2008
|
-1.5
|
Hydref 2008
|
-12.5
|
Tachwedd 2008
|
-12.2
|
Rhagfyr 2008
|
-19.2
|
Ionawr 2009
|
-7.5
|
Chwefror 2009
|
-11.8
|
Mawrth 2009
|
-8.7
|
Ebrill 2009
|
-9.4
|
Mai 2009
|
-6.3
|
Mehefin 2009
|
-2.1
|
Gorffennaf 2009
|
-8.0
|
Awst 2009
|
-4.1
|
Medi 2009
|
-9.9
|
Hydref 2009
|
2.3
|
Tachwedd 2009
|
4.3
|
Rhagfyr 2009
|
16.4
|
Ionawr 2010
|
-2.7
|
Chwefror 2010
|
-1.5
|
Mawrth 2010
|
-6.0
|
Ebrill 2010
|
4.8
|
Mai 2010
|
4.7
|
Mehefin 2010
|
2.5
|
Gorffennaf 2010
|
6.7
|
Awst 2010
|
1.6
|
Medi 2010
|
9.6
|
Hydref 2010
|
5.8
|
Tachwedd 2010
|
7.2
|
Rhagfyr 2010
|
-1.6
|
Ionawr 2011
|
-4.2
|
Chwefror 2011
|
-0.9
|
Mawrth 2011
|
7.4
|
Ebrill 2011
|
7.4
|
Mai 2011
|
1.9
|
Mehefin 2011
|
-3.6
|
Gorffennaf 2011
|
-4.0
|
Awst 2011
|
-2.2
|
Medi 2011
|
-6.9
|
Hydref 2011
|
-9.3
|
Tachwedd 2011
|
-8.1
|
Rhagfyr 2011
|
-1.4
|
Ionawr 2012
|
2.9
|
Chwefror 2012
|
-1.4
|
Mawrth 2012
|
-6.1
|
Ebrill 2012
|
-5.6
|
Mai 2012
|
-7.6
|
Mehefin 2012
|
-0.3
|
Gorffennaf 2012
|
-4.7
|
Awst 2012
|
-0.5
|
Medi 2012
|
-4.8
|
Hydref 2012
|
-2.1
|
Tachwedd 2012
|
-2.6
|
Rhagfyr 2012
|
-2.1
|
Ionawr 2013
|
-2.0
|
Chwefror 2013
|
-5.5
|
Mawrth 2013
|
-3.4
|
Ebrill 2013
|
-5.7
|
Mai 2013
|
4.4
|
Mehefin 2013
|
0.7
|
Gorffennaf 2013
|
4.2
|
Awst 2013
|
3.2
|
Medi 2013
|
5.6
|
Hydref 2013
|
3.0
|
Tachwedd 2013
|
0.9
|
Rhagfyr 2013
|
-0.9
|
Ionawr 2014
|
3.6
|
Chwefror 2014
|
11.7
|
Mawrth 2014
|
8.5
|
Ebrill 2014
|
7.1
|
Mai 2014
|
3.1
|
Mehefin 2014
|
4.6
|
Gorffennaf 2014
|
6.1
|
Awst 2014
|
-1.0
|
Medi 2014
|
2.4
|
Hydref 2014
|
4.5
|
Tachwedd 2014
|
6.2
|
Rhagfyr 2014
|
6.7
|
Ionawr 2015
|
3.6
|
Chwefror 2015
|
0.6
|
Mawrth 2015
|
3.6
|
Ebrill 2015
|
6.1
|
Mai 2015
|
5.1
|
Mehefin 2015
|
-1.2
|
Gorffennaf 2015
|
-6.1
|
Awst 2015
|
-0.1
|
Medi 2015
|
-0.3
|
Hydref 2015
|
1.0
|
Tachwedd 2015
|
-1.9
|
Rhagfyr 2015
|
2.1
|
Ionawr 2016
|
1.2
|
Chwefror 2016
|
0.9
|
Mawrth 2016
|
-4.8
|
Ebrill 2016
|
-6.8
|
Mai 2016
|
-4.8
|
Mehefin 2016
|
0.8
|
Gorffennaf 2016
|
9.0
|
Awst 2016
|
3.0
|
Medi 2016
|
3.9
|
Hydref 2016
|
2.5
|
Tachwedd 2016
|
5.8
|
Rhagfyr 2016
|
2.1
|
Ionawr 2017
|
0.8
|
Chwefror 2017
|
2.8
|
Mawrth 2017
|
10.2
|
Ebrill 2017
|
6.4
|
Mai 2017
|
7.1
|
Mehefin 2017
|
4.6
|
Gorffennaf 2017
|
2.1
|
Awst 2017
|
7.5
|
Medi 2017
|
7.4
|
Hydref 2017
|
7.3
|
Tachwedd 2017
|
6.3
|
Rhagfyr 2017
|
5.4
|
Ionawr 2018
|
5.3
|
Chwefror 2018
|
7.1
|
Mawrth 2018
|
5.6
|
Ebrill 2018
|
7.0
|
Mai 2018
|
2.3
|
Mehefin 2018
|
3.4
|
Gorffennaf 2018
|
1.4
|
Awst 2018
|
0.3
|
Medi 2018
|
0.6
|
Hydref 2018
|
3.7
|
Tachwedd 2018
|
1.9
|
Rhagfyr 2018
|
4.2
|
Ionawr 2019
|
3.3
|
Chwefror 2019
|
3.3
|
Mawrth 2019
|
-0.7
|
Ebrill 2019
|
0.2
|
Mai 2019
|
1.8
|
Mehefin 2019
|
3.3
|
Gorffennaf 2019
|
1.0
|
Awst 2019
|
0.7
|
Medi 2019
|
1.5
|
Hydref 2019
|
-0.1
|
Tachwedd 2019
|
1.1
|
Rhagfyr 2019
|
-1.6
|
Ionawr 2020
|
-0.8
|
Chwefror 2020
|
-0.2
|
Mawrth 2020
|
1.7
|
Ebrill 2020
|
2.8
|
Mai 2020
|
7.5
|
Mehefin 2020
|
7.5
|
Gorffennaf 2020
|
10.8
|
Awst 2020
|
7.2
|
Medi 2020
|
6.9
|
Hydref 2020
|
3.6
|
Tachwedd 2020
|
3.8
|
Rhagfyr 2020
|
5.3
|
Dyddiad
|
Adeilad newydd
|
Ionawr 2007
|
1.3
|
Chwefror 2007
|
-1.2
|
Mawrth 2007
|
-1.1
|
Ebrill 2007
|
0.2
|
Mai 2007
|
2.2
|
Mehefin 2007
|
-1.5
|
Gorffennaf 2007
|
-1.3
|
Awst 2007
|
1.5
|
Medi 2007
|
2.4
|
Hydref 2007
|
2.4
|
Tachwedd 2007
|
-2.9
|
Rhagfyr 2007
|
-0.2
|
Ionawr 2008
|
3.2
|
Chwefror 2008
|
2.2
|
Mawrth 2008
|
-1.9
|
Ebrill 2008
|
-8.8
|
Mai 2008
|
-0.5
|
Mehefin 2008
|
0.6
|
Gorffennaf 2008
|
5.0
|
Awst 2008
|
-1.9
|
Medi 2008
|
2.0
|
Hydref 2008
|
-9.1
|
Tachwedd 2008
|
-2.6
|
Rhagfyr 2008
|
-8.2
|
Ionawr 2009
|
18.1
|
Chwefror 2009
|
-2.5
|
Mawrth 2009
|
1.6
|
Ebrill 2009
|
-9.5
|
Mai 2009
|
3.0
|
Mehefin 2009
|
5.1
|
Gorffennaf 2009
|
-1.4
|
Awst 2009
|
2.3
|
Medi 2009
|
-4.3
|
Hydref 2009
|
3.3
|
Tachwedd 2009
|
-0.6
|
Rhagfyr 2009
|
2.5
|
Ionawr 2010
|
-1.3
|
Chwefror 2010
|
-1.3
|
Mawrth 2010
|
-3.1
|
Ebrill 2010
|
1.0
|
Mai 2010
|
2.8
|
Mehefin 2010
|
3.0
|
Gorffennaf 2010
|
2.6
|
Awst 2010
|
-2.6
|
Medi 2010
|
3.3
|
Hydref 2010
|
-0.3
|
Tachwedd 2010
|
0.7
|
Rhagfyr 2010
|
-5.9
|
Ionawr 2011
|
-4.0
|
Chwefror 2011
|
2.1
|
Mawrth 2011
|
5.1
|
Ebrill 2011
|
0.9
|
Mai 2011
|
-2.4
|
Mehefin 2011
|
-2.6
|
Gorffennaf 2011
|
2.2
|
Awst 2011
|
-0.8
|
Medi 2011
|
-1.6
|
Hydref 2011
|
-2.9
|
Tachwedd 2011
|
2.0
|
Rhagfyr 2011
|
0.9
|
Ionawr 2012
|
0.3
|
Chwefror 2012
|
-2.2
|
Mawrth 2012
|
0.0
|
Ebrill 2012
|
1.5
|
Mai 2012
|
-4.6
|
Mehefin 2012
|
5.2
|
Gorffennaf 2012
|
-2.3
|
Awst 2012
|
3.5
|
Medi 2012
|
-6.0
|
Hydref 2012
|
-0.1
|
Tachwedd 2012
|
1.6
|
Rhagfyr 2012
|
1.4
|
Ionawr 2013
|
0.4
|
Chwefror 2013
|
-5.7
|
Mawrth 2013
|
2.2
|
Ebrill 2013
|
-1.0
|
Mai 2013
|
5.7
|
Mehefin 2013
|
1.4
|
Gorffennaf 2013
|
1.1
|
Awst 2013
|
2.5
|
Medi 2013
|
-3.7
|
Hydref 2013
|
-2.6
|
Tachwedd 2013
|
-0.5
|
Rhagfyr 2013
|
-0.4
|
Ionawr 2014
|
4.9
|
Chwefror 2014
|
1.7
|
Mawrth 2014
|
-0.6
|
Ebrill 2014
|
-2.2
|
Mai 2014
|
1.8
|
Mehefin 2014
|
2.9
|
Gorffennaf 2014
|
2.4
|
Awst 2014
|
-4.3
|
Medi 2014
|
-0.4
|
Hydref 2014
|
-0.6
|
Tachwedd 2014
|
1.1
|
Rhagfyr 2014
|
0.0
|
Ionawr 2015
|
2.0
|
Chwefror 2015
|
-1.3
|
Mawrth 2015
|
2.4
|
Ebrill 2015
|
0.0
|
Mai 2015
|
0.8
|
Mehefin 2015
|
-3.2
|
Gorffennaf 2015
|
-2.7
|
Awst 2015
|
1.9
|
Medi 2015
|
-0.6
|
Hydref 2015
|
0.7
|
Tachwedd 2015
|
-1.8
|
Rhagfyr 2015
|
4.0
|
Ionawr 2016
|
1.1
|
Chwefror 2016
|
-1.5
|
Mawrth 2016
|
-3.5
|
Ebrill 2016
|
-2.0
|
Mai 2016
|
3.0
|
Mehefin 2016
|
2.5
|
Gorffennaf 2016
|
5.2
|
Awst 2016
|
-3.6
|
Medi 2016
|
0.2
|
Hydref 2016
|
-0.7
|
Tachwedd 2016
|
1.4
|
Rhagfyr 2016
|
0.4
|
Ionawr 2017
|
-0.3
|
Chwefror 2017
|
0.6
|
Mawrth 2017
|
3.4
|
Ebrill 2017
|
-1.4
|
Mai 2017
|
1.8
|
Mehefin 2017
|
-2.1
|
Gorffennaf 2017
|
2.7
|
Awst 2017
|
1.4
|
Medi 2017
|
0.2
|
Hydref 2017
|
-0.8
|
Tachwedd 2017
|
0.5
|
Rhagfyr 2017
|
-0.5
|
Ionawr 2018
|
-0.4
|
Chwefror 2018
|
2.3
|
Mawrth 2018
|
1.9
|
Ebrill 2018
|
-0.1
|
Mai 2018
|
-2.7
|
Mehefin 2018
|
-1.1
|
Gorffennaf 2018
|
0.6
|
Awst 2018
|
0.4
|
Medi 2018
|
0.4
|
Hydref 2018
|
2.3
|
Tachwedd 2018
|
-1.3
|
Rhagfyr 2018
|
1.8
|
Ionawr 2019
|
-1.2
|
Chwefror 2019
|
2.3
|
Mawrth 2019
|
-2.0
|
Ebrill 2019
|
0.8
|
Mai 2019
|
-1.2
|
Mehefin 2019
|
0.5
|
Gorffennaf 2019
|
-1.6
|
Awst 2019
|
0.1
|
Medi 2019
|
1.3
|
Hydref 2019
|
0.7
|
Tachwedd 2019
|
-0.2
|
Rhagfyr 2019
|
-0.9
|
Ionawr 2020
|
-0.4
|
Chwefror 2020
|
2.9
|
Mawrth 2020
|
-0.2
|
Ebrill 2020
|
1.9
|
Mai 2020
|
3.4
|
Mehefin 2020
|
0.4
|
Gorffennaf 2020
|
1.5
|
Awst 2020
|
-3.2
|
Medi 2020
|
1.0
|
Hydref 2020
|
-2.4
|
Tachwedd 2020
|
0.0
|
Rhagfyr 2020
|
0.5
|
Dyddiad
|
Adeilad newydd
|
Ionawr 2007
|
103.5
|
Chwefror 2007
|
102.2
|
Mawrth 2007
|
101.1
|
Ebrill 2007
|
101.3
|
Mai 2007
|
103.5
|
Mehefin 2007
|
102.0
|
Gorffennaf 2007
|
100.6
|
Awst 2007
|
102.1
|
Medi 2007
|
104.6
|
Hydref 2007
|
107.1
|
Tachwedd 2007
|
104.0
|
Rhagfyr 2007
|
103.8
|
Ionawr 2008
|
107.2
|
Chwefror 2008
|
109.6
|
Mawrth 2008
|
107.5
|
Ebrill 2008
|
98.0
|
Mai 2008
|
97.6
|
Mehefin 2008
|
98.2
|
Gorffennaf 2008
|
103.0
|
Awst 2008
|
101.1
|
Medi 2008
|
103.1
|
Hydref 2008
|
93.7
|
Tachwedd 2008
|
91.4
|
Rhagfyr 2008
|
83.9
|
Ionawr 2009
|
99.1
|
Chwefror 2009
|
96.6
|
Mawrth 2009
|
98.1
|
Ebrill 2009
|
88.8
|
Mai 2009
|
91.4
|
Mehefin 2009
|
96.1
|
Gorffennaf 2009
|
94.8
|
Awst 2009
|
97.0
|
Medi 2009
|
92.9
|
Hydref 2009
|
95.9
|
Tachwedd 2009
|
95.3
|
Rhagfyr 2009
|
97.7
|
Ionawr 2010
|
96.4
|
Chwefror 2010
|
95.2
|
Mawrth 2010
|
92.2
|
Ebrill 2010
|
93.1
|
Mai 2010
|
95.7
|
Mehefin 2010
|
98.6
|
Gorffennaf 2010
|
101.2
|
Awst 2010
|
98.5
|
Medi 2010
|
101.8
|
Hydref 2010
|
101.4
|
Tachwedd 2010
|
102.2
|
Rhagfyr 2010
|
96.1
|
Ionawr 2011
|
92.3
|
Chwefror 2011
|
94.3
|
Mawrth 2011
|
99.0
|
Ebrill 2011
|
100.0
|
Mai 2011
|
97.6
|
Mehefin 2011
|
95.0
|
Gorffennaf 2011
|
97.2
|
Awst 2011
|
96.3
|
Medi 2011
|
94.8
|
Hydref 2011
|
92.0
|
Tachwedd 2011
|
93.9
|
Rhagfyr 2011
|
94.8
|
Ionawr 2012
|
95.0
|
Chwefror 2012
|
93.0
|
Mawrth 2012
|
93.0
|
Ebrill 2012
|
94.4
|
Mai 2012
|
90.1
|
Mehefin 2012
|
94.8
|
Gorffennaf 2012
|
92.6
|
Awst 2012
|
95.9
|
Medi 2012
|
90.2
|
Hydref 2012
|
90.1
|
Tachwedd 2012
|
91.5
|
Rhagfyr 2012
|
92.8
|
Ionawr 2013
|
93.2
|
Chwefror 2013
|
87.9
|
Mawrth 2013
|
89.9
|
Ebrill 2013
|
89.0
|
Mai 2013
|
94.1
|
Mehefin 2013
|
95.4
|
Gorffennaf 2013
|
96.5
|
Awst 2013
|
98.9
|
Medi 2013
|
95.2
|
Hydref 2013
|
92.8
|
Tachwedd 2013
|
92.3
|
Rhagfyr 2013
|
92.0
|
Ionawr 2014
|
96.5
|
Chwefror 2014
|
98.2
|
Mawrth 2014
|
97.5
|
Ebrill 2014
|
95.3
|
Mai 2014
|
97.0
|
Mehefin 2014
|
99.9
|
Gorffennaf 2014
|
102.3
|
Awst 2014
|
97.9
|
Medi 2014
|
97.5
|
Hydref 2014
|
97.0
|
Tachwedd 2014
|
98.0
|
Rhagfyr 2014
|
98.1
|
Ionawr 2015
|
100.0
|
Chwefror 2015
|
98.7
|
Mawrth 2015
|
101.1
|
Ebrill 2015
|
101.1
|
Mai 2015
|
102.0
|
Mehefin 2015
|
98.7
|
Gorffennaf 2015
|
96.0
|
Awst 2015
|
97.9
|
Medi 2015
|
97.2
|
Hydref 2015
|
98.0
|
Tachwedd 2015
|
96.2
|
Rhagfyr 2015
|
100.1
|
Ionawr 2016
|
101.2
|
Chwefror 2016
|
99.6
|
Mawrth 2016
|
96.2
|
Ebrill 2016
|
94.2
|
Mai 2016
|
97.1
|
Mehefin 2016
|
99.5
|
Gorffennaf 2016
|
104.6
|
Awst 2016
|
100.8
|
Medi 2016
|
101.1
|
Hydref 2016
|
100.4
|
Tachwedd 2016
|
101.8
|
Rhagfyr 2016
|
102.2
|
Ionawr 2017
|
101.9
|
Chwefror 2017
|
102.5
|
Mawrth 2017
|
106.0
|
Ebrill 2017
|
104.5
|
Mai 2017
|
106.3
|
Mehefin 2017
|
104.1
|
Gorffennaf 2017
|
106.8
|
Awst 2017
|
108.4
|
Medi 2017
|
108.6
|
Hydref 2017
|
107.7
|
Tachwedd 2017
|
108.2
|
Rhagfyr 2017
|
107.7
|
Ionawr 2018
|
107.3
|
Chwefror 2018
|
109.8
|
Mawrth 2018
|
111.9
|
Ebrill 2018
|
111.8
|
Mai 2018
|
108.8
|
Mehefin 2018
|
107.6
|
Gorffennaf 2018
|
108.3
|
Awst 2018
|
108.7
|
Medi 2018
|
109.2
|
Hydref 2018
|
111.7
|
Tachwedd 2018
|
110.2
|
Rhagfyr 2018
|
112.2
|
Ionawr 2019
|
110.8
|
Chwefror 2019
|
113.4
|
Mawrth 2019
|
111.1
|
Ebrill 2019
|
112.0
|
Mai 2019
|
110.7
|
Mehefin 2019
|
111.2
|
Gorffennaf 2019
|
109.4
|
Awst 2019
|
109.5
|
Medi 2019
|
110.8
|
Hydref 2019
|
111.7
|
Tachwedd 2019
|
111.5
|
Rhagfyr 2019
|
110.4
|
Ionawr 2020
|
109.9
|
Chwefror 2020
|
113.2
|
Mawrth 2020
|
113.0
|
Ebrill 2020
|
115.1
|
Mai 2020
|
119.0
|
Mehefin 2020
|
119.5
|
Gorffennaf 2020
|
121.2
|
Awst 2020
|
117.4
|
Medi 2020
|
118.5
|
Hydref 2020
|
115.7
|
Tachwedd 2020
|
115.7
|
Rhagfyr 2020
|
116.3
|