Cysylltau cyflym:
yn ôl math o eiddo
yn ôl statws y prynwr
yn ôl statws cyllido
yn ôl statws yr eiddo
Ystadegau Prisiau Tai
Math o eiddo
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol ar gyfer pob math o eiddo neu ganolbwyntio ar un penodol.
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai pâr
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ionawr 2011
|
197486.0
|
281291.0
|
187119.0
|
158009.0
|
124695.0
|
Chwefror 2011
|
195461.0
|
277951.0
|
185104.0
|
156579.0
|
123775.0
|
Mawrth 2011
|
193741.0
|
276079.0
|
182864.0
|
155164.0
|
122698.0
|
Ebrill 2011
|
190194.0
|
270506.0
|
179557.0
|
152634.0
|
120472.0
|
Mai 2011
|
188061.0
|
266919.0
|
177567.0
|
151008.0
|
119708.0
|
Mehefin 2011
|
186886.0
|
264650.0
|
177075.0
|
150034.0
|
119093.0
|
Gorffennaf 2011
|
189533.0
|
267873.0
|
179654.0
|
152295.0
|
121156.0
|
Awst 2011
|
191037.0
|
270906.0
|
181434.0
|
153342.0
|
120705.0
|
Medi 2011
|
192906.0
|
274568.0
|
183104.0
|
154654.0
|
120979.0
|
Hydref 2011
|
192072.0
|
274646.0
|
182523.0
|
153422.0
|
119579.0
|
Tachwedd 2011
|
190471.0
|
272032.0
|
180901.0
|
152034.0
|
119407.0
|
Rhagfyr 2011
|
190092.0
|
271239.0
|
180701.0
|
151587.0
|
119632.0
|
Ionawr 2012
|
189170.0
|
269821.0
|
180130.0
|
150957.0
|
118587.0
|
Chwefror 2012
|
191788.0
|
273603.0
|
182625.0
|
153251.0
|
119710.0
|
Mawrth 2012
|
191650.0
|
272318.0
|
182676.0
|
153755.0
|
119679.0
|
Ebrill 2012
|
193788.0
|
275183.0
|
184295.0
|
155501.0
|
121709.0
|
Mai 2012
|
193688.0
|
274769.0
|
184292.0
|
155534.0
|
121692.0
|
Mehefin 2012
|
195499.0
|
278020.0
|
185688.0
|
156994.0
|
122246.0
|
Gorffennaf 2012
|
195566.0
|
278214.0
|
185710.0
|
157272.0
|
121749.0
|
Awst 2012
|
191029.0
|
272110.0
|
181360.0
|
153803.0
|
118123.0
|
Medi 2012
|
189319.0
|
270021.0
|
179743.0
|
152330.0
|
116766.0
|
Hydref 2012
|
186443.0
|
265698.0
|
177186.0
|
149973.0
|
115175.0
|
Tachwedd 2012
|
189053.0
|
269114.0
|
179694.0
|
152179.0
|
116964.0
|
Rhagfyr 2012
|
187597.0
|
267018.0
|
178266.0
|
150924.0
|
116311.0
|
Ionawr 2013
|
188378.0
|
268149.0
|
179376.0
|
151549.0
|
116327.0
|
Chwefror 2013
|
187512.0
|
266912.0
|
178544.0
|
150789.0
|
115912.0
|
Mawrth 2013
|
187424.0
|
266636.0
|
178522.0
|
150720.0
|
115960.0
|
Ebrill 2013
|
187927.0
|
267346.0
|
178704.0
|
151255.0
|
116365.0
|
Mai 2013
|
189175.0
|
268817.0
|
179896.0
|
152317.0
|
117440.0
|
Mehefin 2013
|
191919.0
|
272671.0
|
182713.0
|
154695.0
|
118634.0
|
Gorffennaf 2013
|
193210.0
|
274255.0
|
183955.0
|
155943.0
|
119353.0
|
Awst 2013
|
194220.0
|
276259.0
|
185025.0
|
156668.0
|
119245.0
|
Medi 2013
|
195480.0
|
278445.0
|
185897.0
|
157530.0
|
120160.0
|
Hydref 2013
|
194389.0
|
277618.0
|
184807.0
|
156249.0
|
119347.0
|
Tachwedd 2013
|
194537.0
|
277939.0
|
185067.0
|
156181.0
|
119516.0
|
Rhagfyr 2013
|
193017.0
|
275187.0
|
184043.0
|
154928.0
|
118960.0
|
Ionawr 2014
|
193967.0
|
276524.0
|
184938.0
|
155707.0
|
119551.0
|
Chwefror 2014
|
195143.0
|
278574.0
|
185915.0
|
156531.0
|
120181.0
|
Mawrth 2014
|
196495.0
|
280896.0
|
187305.0
|
157548.0
|
120449.0
|
Ebrill 2014
|
196996.0
|
281215.0
|
187935.0
|
158196.0
|
120615.0
|
Mai 2014
|
196157.0
|
279254.0
|
187202.0
|
157913.0
|
120225.0
|
Mehefin 2014
|
195071.0
|
277730.0
|
186189.0
|
157103.0
|
119387.0
|
Gorffennaf 2014
|
197269.0
|
281141.0
|
188323.0
|
158882.0
|
120332.0
|
Awst 2014
|
198233.0
|
283301.0
|
189162.0
|
159497.0
|
120346.0
|
Medi 2014
|
202827.0
|
290112.0
|
193331.0
|
163225.0
|
123010.0
|
Hydref 2014
|
203196.0
|
290735.0
|
193625.0
|
163293.0
|
123610.0
|
Tachwedd 2014
|
203843.0
|
291705.0
|
194357.0
|
163611.0
|
124204.0
|
Rhagfyr 2014
|
201988.0
|
289231.0
|
192687.0
|
161852.0
|
123258.0
|
Ionawr 2015
|
200951.0
|
287784.0
|
191886.0
|
160885.0
|
122632.0
|
Chwefror 2015
|
200985.0
|
287779.0
|
191766.0
|
160850.0
|
122999.0
|
Mawrth 2015
|
201698.0
|
289075.0
|
192456.0
|
161175.0
|
123550.0
|
Ebrill 2015
|
204163.0
|
292933.0
|
194620.0
|
163174.0
|
124765.0
|
Mai 2015
|
206229.0
|
295858.0
|
196769.0
|
164816.0
|
125891.0
|
Mehefin 2015
|
207023.0
|
296815.0
|
197726.0
|
165822.0
|
125645.0
|
Gorffennaf 2015
|
207303.0
|
297102.0
|
198181.0
|
166057.0
|
125735.0
|
Awst 2015
|
208287.0
|
298951.0
|
199067.0
|
166831.0
|
125819.0
|
Medi 2015
|
210592.0
|
303080.0
|
200846.0
|
168280.0
|
127374.0
|
Hydref 2015
|
211929.0
|
305354.0
|
202081.0
|
169305.0
|
127836.0
|
Tachwedd 2015
|
212606.0
|
306547.0
|
202782.0
|
169681.0
|
128219.0
|
Rhagfyr 2015
|
212950.0
|
307089.0
|
203362.0
|
169928.0
|
128127.0
|
Ionawr 2016
|
210618.0
|
303694.0
|
201480.0
|
167846.0
|
126825.0
|
Chwefror 2016
|
209311.0
|
301849.0
|
200364.0
|
166787.0
|
125866.0
|
Mawrth 2016
|
213109.0
|
307330.0
|
203814.0
|
169708.0
|
128568.0
|
Ebrill 2016
|
212292.0
|
306066.0
|
202680.0
|
169274.0
|
128158.0
|
Mai 2016
|
211978.0
|
304401.0
|
202268.0
|
169491.0
|
128825.0
|
Mehefin 2016
|
205736.0
|
295169.0
|
196267.0
|
164734.0
|
124974.0
|
Gorffennaf 2016
|
207515.0
|
297479.0
|
197971.0
|
166256.0
|
126184.0
|
Awst 2016
|
209453.0
|
300903.0
|
199753.0
|
167604.0
|
126956.0
|
Medi 2016
|
210603.0
|
302629.0
|
201110.0
|
168313.0
|
127683.0
|
Hydref 2016
|
211754.0
|
304899.0
|
202255.0
|
168626.0
|
128718.0
|
Tachwedd 2016
|
212902.0
|
307645.0
|
203308.0
|
168785.0
|
129508.0
|
Rhagfyr 2016
|
212554.0
|
307260.0
|
202732.0
|
168382.0
|
129678.0
|
Ionawr 2017
|
212720.0
|
307685.0
|
202818.0
|
168498.0
|
129634.0
|
Chwefror 2017
|
213466.0
|
308028.0
|
203212.0
|
169294.0
|
131059.0
|
Mawrth 2017
|
214411.0
|
309696.0
|
204131.0
|
169778.0
|
131746.0
|
Ebrill 2017
|
215756.0
|
311432.0
|
205164.0
|
170874.0
|
133083.0
|
Mai 2017
|
214928.0
|
309830.0
|
204822.0
|
170170.0
|
132714.0
|
Mehefin 2017
|
216345.0
|
311096.0
|
206083.0
|
171651.0
|
134025.0
|
Gorffennaf 2017
|
217718.0
|
312780.0
|
207651.0
|
172710.0
|
135038.0
|
Awst 2017
|
220252.0
|
316709.0
|
209841.0
|
174954.0
|
135980.0
|
Medi 2017
|
223465.0
|
321865.0
|
213027.0
|
177335.0
|
137435.0
|
Hydref 2017
|
225102.0
|
324548.0
|
214751.0
|
178616.0
|
137835.0
|
Tachwedd 2017
|
224450.0
|
323772.0
|
214437.0
|
177887.0
|
137289.0
|
Rhagfyr 2017
|
224219.0
|
323481.0
|
214339.0
|
177692.0
|
136973.0
|
Ionawr 2018
|
226625.0
|
326927.0
|
216832.0
|
179495.0
|
138466.0
|
Chwefror 2018
|
227063.0
|
327866.0
|
217200.0
|
179898.0
|
138266.0
|
Mawrth 2018
|
227521.0
|
328446.0
|
217832.0
|
180394.0
|
138152.0
|
Ebrill 2018
|
224417.0
|
323926.0
|
214821.0
|
178306.0
|
135577.0
|
Mai 2018
|
226209.0
|
326727.0
|
216665.0
|
179748.0
|
136148.0
|
Mehefin 2018
|
226483.0
|
326989.0
|
217153.0
|
179883.0
|
136397.0
|
Gorffennaf 2018
|
228449.0
|
330346.0
|
218902.0
|
181258.0
|
137408.0
|
Awst 2018
|
229734.0
|
331892.0
|
220193.0
|
182468.0
|
138149.0
|
Medi 2018
|
231934.0
|
335524.0
|
222330.0
|
184160.0
|
138897.0
|
Hydref 2018
|
232539.0
|
336290.0
|
223084.0
|
184522.0
|
139453.0
|
Tachwedd 2018
|
234036.0
|
339199.0
|
224484.0
|
185375.0
|
140042.0
|
Rhagfyr 2018
|
231636.0
|
335595.0
|
222107.0
|
183364.0
|
139113.0
|
Ionawr 2019
|
232035.0
|
336721.0
|
222467.0
|
183428.0
|
139139.0
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai pâr
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ionawr 2011
|
4.3
|
5.5
|
4.5
|
3.4
|
2.6
|
Chwefror 2011
|
2.5
|
3.3
|
2.3
|
1.9
|
1.6
|
Mawrth 2011
|
0.1
|
0.8
|
-0.2
|
-0.2
|
-0.7
|
Ebrill 2011
|
-3.7
|
-3.0
|
-4.1
|
-3.8
|
-4.8
|
Mai 2011
|
-5.3
|
-4.7
|
-5.4
|
-5.5
|
-6.0
|
Mehefin 2011
|
-5.2
|
-4.8
|
-5.1
|
-5.5
|
-5.4
|
Gorffennaf 2011
|
-3.0
|
-3.2
|
-2.8
|
-3.2
|
-2.1
|
Awst 2011
|
-3.0
|
-3.1
|
-3.0
|
-3.1
|
-2.6
|
Medi 2011
|
-3.1
|
-3.2
|
-3.0
|
-3.1
|
-2.9
|
Hydref 2011
|
-4.3
|
-3.8
|
-4.1
|
-4.6
|
-5.1
|
Tachwedd 2011
|
-4.7
|
-4.5
|
-4.5
|
-5.0
|
-5.1
|
Rhagfyr 2011
|
-3.8
|
-3.5
|
-3.6
|
-4.2
|
-4.0
|
Ionawr 2012
|
-4.2
|
-4.1
|
-3.7
|
-4.5
|
-4.9
|
Chwefror 2012
|
-1.9
|
-1.6
|
-1.3
|
-2.1
|
-3.3
|
Mawrth 2012
|
-1.1
|
-1.4
|
-0.1
|
-0.9
|
-2.5
|
Ebrill 2012
|
1.9
|
1.7
|
2.6
|
1.9
|
1.0
|
Mai 2012
|
3.0
|
2.9
|
3.8
|
3.0
|
1.7
|
Mehefin 2012
|
4.6
|
5.0
|
4.9
|
4.6
|
2.6
|
Gorffennaf 2012
|
3.2
|
3.9
|
3.4
|
3.3
|
0.5
|
Awst 2012
|
0.0
|
0.4
|
-0.0
|
0.3
|
-2.1
|
Medi 2012
|
-1.9
|
-1.7
|
-1.8
|
-1.5
|
-3.5
|
Hydref 2012
|
-2.9
|
-3.3
|
-2.9
|
-2.2
|
-3.7
|
Tachwedd 2012
|
-0.7
|
-1.1
|
-0.7
|
0.1
|
-2.0
|
Rhagfyr 2012
|
-1.3
|
-1.6
|
-1.4
|
-0.4
|
-2.8
|
Ionawr 2013
|
-0.4
|
-0.6
|
-0.4
|
0.4
|
-1.9
|
Chwefror 2013
|
-2.2
|
-2.4
|
-2.2
|
-1.6
|
-3.2
|
Mawrth 2013
|
-2.2
|
-2.1
|
-2.3
|
-2.0
|
-3.1
|
Ebrill 2013
|
-3.0
|
-2.8
|
-3.0
|
-2.7
|
-4.4
|
Mai 2013
|
-2.3
|
-2.2
|
-2.4
|
-2.1
|
-3.5
|
Mehefin 2013
|
-1.8
|
-1.9
|
-1.6
|
-1.5
|
-3.0
|
Gorffennaf 2013
|
-1.2
|
-1.4
|
-0.9
|
-0.8
|
-2.0
|
Awst 2013
|
1.7
|
1.5
|
2.0
|
1.9
|
1.0
|
Medi 2013
|
3.2
|
3.1
|
3.4
|
3.4
|
2.9
|
Hydref 2013
|
4.3
|
4.5
|
4.3
|
4.2
|
3.6
|
Tachwedd 2013
|
2.9
|
3.3
|
3.0
|
2.6
|
2.2
|
Rhagfyr 2013
|
2.9
|
3.1
|
3.2
|
2.6
|
2.3
|
Ionawr 2014
|
3.0
|
3.1
|
3.1
|
2.7
|
2.8
|
Chwefror 2014
|
4.1
|
4.4
|
4.1
|
3.8
|
3.7
|
Mawrth 2014
|
4.8
|
5.4
|
4.9
|
4.5
|
3.9
|
Ebrill 2014
|
4.8
|
5.2
|
5.2
|
4.6
|
3.6
|
Mai 2014
|
3.7
|
3.9
|
4.1
|
3.7
|
2.4
|
Mehefin 2014
|
1.6
|
1.9
|
1.9
|
1.6
|
0.6
|
Gorffennaf 2014
|
2.1
|
2.5
|
2.4
|
1.9
|
0.8
|
Awst 2014
|
2.1
|
2.6
|
2.2
|
1.8
|
0.9
|
Medi 2014
|
3.8
|
4.2
|
4.0
|
3.6
|
2.4
|
Hydref 2014
|
4.5
|
4.7
|
4.8
|
4.5
|
3.6
|
Tachwedd 2014
|
4.8
|
5.0
|
5.0
|
4.8
|
3.9
|
Rhagfyr 2014
|
4.6
|
5.1
|
4.7
|
4.5
|
3.6
|
Ionawr 2015
|
3.6
|
4.1
|
3.8
|
3.3
|
2.6
|
Chwefror 2015
|
3.0
|
3.3
|
3.2
|
2.8
|
2.4
|
Mawrth 2015
|
2.6
|
2.9
|
2.8
|
2.3
|
2.6
|
Ebrill 2015
|
3.6
|
4.2
|
3.6
|
3.2
|
3.4
|
Mai 2015
|
5.1
|
6.0
|
5.1
|
4.4
|
4.7
|
Mehefin 2015
|
6.1
|
6.9
|
6.2
|
5.6
|
5.2
|
Gorffennaf 2015
|
5.1
|
5.7
|
5.2
|
4.5
|
4.5
|
Awst 2015
|
5.1
|
5.5
|
5.2
|
4.6
|
4.6
|
Medi 2015
|
3.8
|
4.5
|
3.9
|
3.1
|
3.6
|
Hydref 2015
|
4.3
|
5.0
|
4.4
|
3.7
|
3.4
|
Tachwedd 2015
|
4.3
|
5.1
|
4.3
|
3.7
|
3.2
|
Rhagfyr 2015
|
5.4
|
6.2
|
5.5
|
5.0
|
4.0
|
Ionawr 2016
|
4.8
|
5.5
|
5.0
|
4.3
|
3.4
|
Chwefror 2016
|
4.1
|
4.9
|
4.5
|
3.7
|
2.3
|
Mawrth 2016
|
5.7
|
6.3
|
5.9
|
5.3
|
4.1
|
Ebrill 2016
|
4.0
|
4.5
|
4.1
|
3.7
|
2.7
|
Mai 2016
|
2.8
|
2.9
|
2.8
|
2.8
|
2.3
|
Mehefin 2016
|
-0.6
|
-0.6
|
-0.7
|
-0.7
|
-0.5
|
Gorffennaf 2016
|
0.1
|
0.1
|
-0.1
|
0.1
|
0.4
|
Awst 2016
|
0.6
|
0.6
|
0.3
|
0.5
|
0.9
|
Medi 2016
|
0.0
|
-0.2
|
0.1
|
0.0
|
0.2
|
Hydref 2016
|
-0.1
|
-0.2
|
0.1
|
-0.4
|
0.7
|
Tachwedd 2016
|
0.1
|
0.4
|
0.3
|
-0.5
|
1.0
|
Rhagfyr 2016
|
-0.2
|
0.1
|
-0.3
|
-0.9
|
1.2
|
Ionawr 2017
|
1.0
|
1.3
|
0.7
|
0.4
|
2.2
|
Chwefror 2017
|
2.0
|
2.0
|
1.4
|
1.5
|
4.1
|
Mawrth 2017
|
0.6
|
0.8
|
0.2
|
0.0
|
2.5
|
Ebrill 2017
|
2.3
|
2.4
|
2.1
|
1.6
|
3.8
|
Mai 2017
|
1.7
|
2.2
|
1.7
|
0.8
|
3.1
|
Mehefin 2017
|
5.2
|
5.4
|
5.0
|
4.2
|
7.2
|
Gorffennaf 2017
|
4.9
|
5.1
|
4.9
|
3.9
|
7.0
|
Awst 2017
|
5.2
|
5.2
|
5.0
|
4.4
|
7.1
|
Medi 2017
|
6.1
|
6.4
|
5.9
|
5.4
|
7.6
|
Hydref 2017
|
6.3
|
6.4
|
6.2
|
5.9
|
7.1
|
Tachwedd 2017
|
5.4
|
5.2
|
5.5
|
5.4
|
6.0
|
Rhagfyr 2017
|
5.5
|
5.3
|
5.7
|
5.5
|
5.6
|
Ionawr 2018
|
6.5
|
6.2
|
6.9
|
6.5
|
6.8
|
Chwefror 2018
|
6.4
|
6.4
|
6.9
|
6.3
|
5.5
|
Mawrth 2018
|
6.1
|
6.0
|
6.7
|
6.2
|
4.9
|
Ebrill 2018
|
4.0
|
4.0
|
4.7
|
4.4
|
1.9
|
Mai 2018
|
5.2
|
5.4
|
5.8
|
5.6
|
2.6
|
Mehefin 2018
|
4.7
|
5.1
|
5.4
|
4.8
|
1.8
|
Gorffennaf 2018
|
4.9
|
5.6
|
5.4
|
5.0
|
1.8
|
Awst 2018
|
4.3
|
4.8
|
4.9
|
4.3
|
1.6
|
Medi 2018
|
3.8
|
4.2
|
4.4
|
3.8
|
1.1
|
Hydref 2018
|
3.3
|
3.6
|
3.9
|
3.3
|
1.2
|
Tachwedd 2018
|
4.3
|
4.8
|
4.7
|
4.2
|
2.0
|
Rhagfyr 2018
|
3.3
|
3.7
|
3.6
|
3.2
|
1.6
|
Ionawr 2019
|
2.4
|
3.0
|
2.6
|
2.2
|
0.5
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai pâr
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ionawr 2011
|
-0.1
|
0.0
|
-0.2
|
-0.2
|
0.1
|
Chwefror 2011
|
-1.0
|
-1.2
|
-1.1
|
-0.9
|
-0.7
|
Mawrth 2011
|
-0.9
|
-0.7
|
-1.2
|
-0.9
|
-0.9
|
Ebrill 2011
|
-1.8
|
-2.0
|
-1.8
|
-1.6
|
-1.8
|
Mai 2011
|
-1.1
|
-1.3
|
-1.1
|
-1.1
|
-0.6
|
Mehefin 2011
|
-0.6
|
-0.8
|
-0.3
|
-0.6
|
-0.5
|
Gorffennaf 2011
|
1.4
|
1.2
|
1.5
|
1.5
|
1.7
|
Awst 2011
|
0.8
|
1.1
|
1.0
|
0.7
|
-0.4
|
Medi 2011
|
1.0
|
1.4
|
0.9
|
0.9
|
0.2
|
Hydref 2011
|
-0.4
|
0.0
|
-0.3
|
-0.8
|
-1.2
|
Tachwedd 2011
|
-0.8
|
-1.0
|
-0.9
|
-0.9
|
-0.1
|
Rhagfyr 2011
|
-0.2
|
-0.3
|
-0.1
|
-0.3
|
0.2
|
Ionawr 2012
|
-0.5
|
-0.5
|
-0.3
|
-0.4
|
-0.9
|
Chwefror 2012
|
1.4
|
1.4
|
1.4
|
1.5
|
1.0
|
Mawrth 2012
|
-0.1
|
-0.5
|
0.0
|
0.3
|
-0.0
|
Ebrill 2012
|
1.1
|
1.0
|
0.9
|
1.1
|
1.7
|
Mai 2012
|
-0.1
|
-0.2
|
0.0
|
0.0
|
-0.0
|
Mehefin 2012
|
0.9
|
1.2
|
0.8
|
0.9
|
0.5
|
Gorffennaf 2012
|
0.0
|
0.1
|
0.0
|
0.2
|
-0.4
|
Awst 2012
|
-2.3
|
-2.2
|
-2.3
|
-2.2
|
-3.0
|
Medi 2012
|
-0.9
|
-0.8
|
-0.9
|
-1.0
|
-1.2
|
Hydref 2012
|
-1.5
|
-1.6
|
-1.4
|
-1.6
|
-1.4
|
Tachwedd 2012
|
1.4
|
1.3
|
1.4
|
1.5
|
1.6
|
Rhagfyr 2012
|
-0.8
|
-0.8
|
-0.8
|
-0.8
|
-0.6
|
Ionawr 2013
|
0.4
|
0.4
|
0.6
|
0.4
|
0.0
|
Chwefror 2013
|
-0.5
|
-0.5
|
-0.5
|
-0.5
|
-0.4
|
Mawrth 2013
|
-0.1
|
-0.1
|
-0.0
|
-0.1
|
0.0
|
Ebrill 2013
|
0.3
|
0.3
|
0.1
|
0.4
|
0.4
|
Mai 2013
|
0.7
|
0.6
|
0.7
|
0.7
|
0.9
|
Mehefin 2013
|
1.4
|
1.4
|
1.6
|
1.6
|
1.0
|
Gorffennaf 2013
|
0.7
|
0.6
|
0.7
|
0.8
|
0.6
|
Awst 2013
|
0.5
|
0.7
|
0.6
|
0.5
|
-0.1
|
Medi 2013
|
0.6
|
0.8
|
0.5
|
0.6
|
0.8
|
Hydref 2013
|
-0.6
|
-0.3
|
-0.6
|
-0.8
|
-0.7
|
Tachwedd 2013
|
0.1
|
0.1
|
0.1
|
-0.0
|
0.1
|
Rhagfyr 2013
|
-0.8
|
-1.0
|
-0.6
|
-0.8
|
-0.5
|
Ionawr 2014
|
0.5
|
0.5
|
0.5
|
0.5
|
0.5
|
Chwefror 2014
|
0.6
|
0.7
|
0.5
|
0.5
|
0.5
|
Mawrth 2014
|
0.7
|
0.8
|
0.8
|
0.6
|
0.2
|
Ebrill 2014
|
0.3
|
0.1
|
0.3
|
0.4
|
0.1
|
Mai 2014
|
-0.4
|
-0.7
|
-0.4
|
-0.2
|
-0.3
|
Mehefin 2014
|
-0.6
|
-0.6
|
-0.5
|
-0.5
|
-0.7
|
Gorffennaf 2014
|
1.1
|
1.2
|
1.2
|
1.1
|
0.8
|
Awst 2014
|
0.5
|
0.8
|
0.4
|
0.4
|
0.0
|
Medi 2014
|
2.3
|
2.4
|
2.2
|
2.3
|
2.2
|
Hydref 2014
|
0.2
|
0.2
|
0.2
|
0.0
|
0.5
|
Tachwedd 2014
|
0.3
|
0.3
|
0.4
|
0.2
|
0.5
|
Rhagfyr 2014
|
-0.9
|
-0.8
|
-0.9
|
-1.1
|
-0.8
|
Ionawr 2015
|
-0.5
|
-0.5
|
-0.4
|
-0.6
|
-0.5
|
Chwefror 2015
|
0.0
|
0.0
|
-0.1
|
-0.0
|
0.3
|
Mawrth 2015
|
0.4
|
0.4
|
0.4
|
0.2
|
0.4
|
Ebrill 2015
|
1.2
|
1.3
|
1.1
|
1.2
|
1.0
|
Mai 2015
|
1.0
|
1.0
|
1.1
|
1.0
|
0.9
|
Mehefin 2015
|
0.4
|
0.3
|
0.5
|
0.6
|
-0.2
|
Gorffennaf 2015
|
0.1
|
0.1
|
0.2
|
0.1
|
0.1
|
Awst 2015
|
0.5
|
0.6
|
0.4
|
0.5
|
0.1
|
Medi 2015
|
1.1
|
1.4
|
0.9
|
0.9
|
1.2
|
Hydref 2015
|
0.6
|
0.8
|
0.6
|
0.6
|
0.4
|
Tachwedd 2015
|
0.3
|
0.4
|
0.4
|
0.2
|
0.3
|
Rhagfyr 2015
|
0.2
|
0.2
|
0.3
|
0.2
|
-0.1
|
Ionawr 2016
|
-1.1
|
-1.1
|
-0.9
|
-1.2
|
-1.0
|
Chwefror 2016
|
-0.6
|
-0.6
|
-0.6
|
-0.6
|
-0.8
|
Mawrth 2016
|
1.8
|
1.8
|
1.7
|
1.8
|
2.2
|
Ebrill 2016
|
-0.4
|
-0.4
|
-0.6
|
-0.3
|
-0.3
|
Mai 2016
|
-0.2
|
-0.5
|
-0.2
|
0.1
|
0.5
|
Mehefin 2016
|
-2.9
|
-3.0
|
-3.0
|
-2.8
|
-3.0
|
Gorffennaf 2016
|
0.9
|
0.8
|
0.9
|
0.9
|
1.0
|
Awst 2016
|
0.9
|
1.2
|
0.9
|
0.8
|
0.6
|
Medi 2016
|
0.6
|
0.6
|
0.7
|
0.4
|
0.6
|
Hydref 2016
|
0.6
|
0.8
|
0.6
|
0.2
|
0.8
|
Tachwedd 2016
|
0.5
|
0.9
|
0.5
|
0.1
|
0.6
|
Rhagfyr 2016
|
-0.2
|
-0.1
|
-0.3
|
-0.2
|
0.1
|
Ionawr 2017
|
0.1
|
0.1
|
0.0
|
0.1
|
-0.0
|
Chwefror 2017
|
0.4
|
0.1
|
0.2
|
0.5
|
1.1
|
Mawrth 2017
|
0.4
|
0.5
|
0.4
|
0.3
|
0.5
|
Ebrill 2017
|
0.6
|
0.6
|
0.5
|
0.6
|
1.0
|
Mai 2017
|
-0.4
|
-0.5
|
-0.2
|
-0.4
|
-0.3
|
Mehefin 2017
|
0.7
|
0.4
|
0.6
|
0.9
|
1.0
|
Gorffennaf 2017
|
0.6
|
0.5
|
0.8
|
0.6
|
0.8
|
Awst 2017
|
1.2
|
1.3
|
1.0
|
1.3
|
0.7
|
Medi 2017
|
1.5
|
1.6
|
1.5
|
1.4
|
1.1
|
Hydref 2017
|
0.7
|
0.8
|
0.8
|
0.7
|
0.3
|
Tachwedd 2017
|
-0.3
|
-0.2
|
-0.2
|
-0.4
|
-0.4
|
Rhagfyr 2017
|
-0.1
|
-0.1
|
-0.1
|
-0.1
|
-0.2
|
Ionawr 2018
|
1.1
|
1.1
|
1.2
|
1.0
|
1.1
|
Chwefror 2018
|
0.2
|
0.3
|
0.2
|
0.2
|
-0.1
|
Mawrth 2018
|
0.2
|
0.2
|
0.3
|
0.3
|
-0.1
|
Ebrill 2018
|
-1.4
|
-1.4
|
-1.4
|
-1.2
|
-1.9
|
Mai 2018
|
0.8
|
0.9
|
0.9
|
0.8
|
0.4
|
Mehefin 2018
|
0.1
|
0.1
|
0.2
|
0.1
|
0.2
|
Gorffennaf 2018
|
0.9
|
1.0
|
0.8
|
0.8
|
0.7
|
Awst 2018
|
0.6
|
0.5
|
0.6
|
0.7
|
0.5
|
Medi 2018
|
1.0
|
1.1
|
1.0
|
0.9
|
0.5
|
Hydref 2018
|
0.3
|
0.2
|
0.3
|
0.2
|
0.4
|
Tachwedd 2018
|
0.6
|
0.9
|
0.6
|
0.5
|
0.4
|
Rhagfyr 2018
|
-1.0
|
-1.1
|
-1.1
|
-1.1
|
-0.7
|
Ionawr 2019
|
0.2
|
0.3
|
0.2
|
0.0
|
0.0
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai pâr
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ionawr 2011
|
98.3
|
97.7
|
97.5
|
98.2
|
101.7
|
Chwefror 2011
|
97.3
|
96.6
|
96.5
|
97.3
|
100.9
|
Mawrth 2011
|
96.4
|
95.9
|
95.3
|
96.4
|
100.0
|
Ebrill 2011
|
94.6
|
94.0
|
93.6
|
94.9
|
98.2
|
Mai 2011
|
93.6
|
92.8
|
92.5
|
93.9
|
97.6
|
Mehefin 2011
|
93.0
|
92.0
|
92.3
|
93.3
|
97.1
|
Gorffennaf 2011
|
94.3
|
93.1
|
93.6
|
94.7
|
98.8
|
Awst 2011
|
95.1
|
94.1
|
94.6
|
95.3
|
98.4
|
Medi 2011
|
96.0
|
95.4
|
95.4
|
96.1
|
98.6
|
Hydref 2011
|
95.6
|
95.4
|
95.1
|
95.4
|
97.5
|
Tachwedd 2011
|
94.8
|
94.5
|
94.3
|
94.5
|
97.4
|
Rhagfyr 2011
|
94.6
|
94.2
|
94.2
|
94.2
|
97.6
|
Ionawr 2012
|
94.1
|
93.8
|
93.9
|
93.8
|
96.7
|
Chwefror 2012
|
95.4
|
95.1
|
95.2
|
95.3
|
97.6
|
Mawrth 2012
|
95.4
|
94.6
|
95.2
|
95.6
|
97.6
|
Ebrill 2012
|
96.4
|
95.6
|
96.0
|
96.6
|
99.2
|
Mai 2012
|
96.4
|
95.5
|
96.0
|
96.7
|
99.2
|
Mehefin 2012
|
97.3
|
96.6
|
96.8
|
97.6
|
99.7
|
Gorffennaf 2012
|
97.3
|
96.7
|
96.8
|
97.8
|
99.3
|
Awst 2012
|
95.1
|
94.6
|
94.5
|
95.6
|
96.3
|
Medi 2012
|
94.2
|
93.8
|
93.7
|
94.7
|
95.2
|
Hydref 2012
|
92.8
|
92.3
|
92.3
|
93.2
|
93.9
|
Tachwedd 2012
|
94.1
|
93.5
|
93.6
|
94.6
|
95.4
|
Rhagfyr 2012
|
93.4
|
92.8
|
92.9
|
93.8
|
94.8
|
Ionawr 2013
|
93.7
|
93.2
|
93.5
|
94.2
|
94.9
|
Chwefror 2013
|
93.3
|
92.8
|
93.0
|
93.7
|
94.5
|
Mawrth 2013
|
93.3
|
92.6
|
93.0
|
93.7
|
94.6
|
Ebrill 2013
|
93.5
|
92.9
|
93.1
|
94.0
|
94.9
|
Mai 2013
|
94.1
|
93.4
|
93.8
|
94.7
|
95.8
|
Mehefin 2013
|
95.5
|
94.8
|
95.2
|
96.2
|
96.7
|
Gorffennaf 2013
|
96.2
|
95.3
|
95.9
|
96.9
|
97.3
|
Awst 2013
|
96.6
|
96.0
|
96.4
|
97.4
|
97.2
|
Medi 2013
|
97.3
|
96.8
|
96.9
|
97.9
|
98.0
|
Hydref 2013
|
96.7
|
96.5
|
96.3
|
97.1
|
97.3
|
Tachwedd 2013
|
96.8
|
96.6
|
96.4
|
97.1
|
97.5
|
Rhagfyr 2013
|
96.0
|
95.6
|
95.9
|
96.3
|
97.0
|
Ionawr 2014
|
96.5
|
96.1
|
96.4
|
96.8
|
97.5
|
Chwefror 2014
|
97.1
|
96.8
|
96.9
|
97.3
|
98.0
|
Mawrth 2014
|
97.8
|
97.6
|
97.6
|
97.9
|
98.2
|
Ebrill 2014
|
98.0
|
97.7
|
97.9
|
98.3
|
98.4
|
Mai 2014
|
97.6
|
97.0
|
97.6
|
98.2
|
98.0
|
Mehefin 2014
|
97.1
|
96.5
|
97.0
|
97.6
|
97.4
|
Gorffennaf 2014
|
98.2
|
97.7
|
98.1
|
98.8
|
98.1
|
Awst 2014
|
98.6
|
98.4
|
98.6
|
99.1
|
98.1
|
Medi 2014
|
100.9
|
100.8
|
100.8
|
101.4
|
100.3
|
Hydref 2014
|
101.1
|
101.0
|
100.9
|
101.5
|
100.8
|
Tachwedd 2014
|
101.4
|
101.4
|
101.3
|
101.7
|
101.3
|
Rhagfyr 2014
|
100.5
|
100.5
|
100.4
|
100.6
|
100.5
|
Ionawr 2015
|
100.0
|
100.0
|
100.0
|
100.0
|
100.0
|
Chwefror 2015
|
100.0
|
100.0
|
99.9
|
100.0
|
100.3
|
Mawrth 2015
|
100.4
|
100.4
|
100.3
|
100.2
|
100.8
|
Ebrill 2015
|
101.6
|
101.8
|
101.4
|
101.4
|
101.7
|
Mai 2015
|
102.6
|
102.8
|
102.5
|
102.4
|
102.7
|
Mehefin 2015
|
103.0
|
103.1
|
103.0
|
103.1
|
102.5
|
Gorffennaf 2015
|
103.2
|
103.2
|
103.3
|
103.2
|
102.5
|
Awst 2015
|
103.6
|
103.9
|
103.7
|
103.7
|
102.6
|
Medi 2015
|
104.8
|
105.3
|
104.7
|
104.6
|
103.9
|
Hydref 2015
|
105.5
|
106.1
|
105.3
|
105.2
|
104.2
|
Tachwedd 2015
|
105.8
|
106.5
|
105.7
|
105.5
|
104.6
|
Rhagfyr 2015
|
106.0
|
106.7
|
106.0
|
105.6
|
104.5
|
Ionawr 2016
|
104.8
|
105.5
|
105.0
|
104.3
|
103.4
|
Chwefror 2016
|
104.2
|
104.9
|
104.4
|
103.7
|
102.6
|
Mawrth 2016
|
106.0
|
106.8
|
106.2
|
105.5
|
104.8
|
Ebrill 2016
|
105.6
|
106.4
|
105.6
|
105.2
|
104.5
|
Mai 2016
|
105.5
|
105.8
|
105.4
|
105.4
|
105.0
|
Mehefin 2016
|
102.4
|
102.6
|
102.3
|
102.4
|
101.9
|
Gorffennaf 2016
|
103.3
|
103.4
|
103.2
|
103.3
|
102.9
|
Awst 2016
|
104.2
|
104.6
|
104.1
|
104.2
|
103.5
|
Medi 2016
|
104.8
|
105.2
|
104.8
|
104.6
|
104.1
|
Hydref 2016
|
105.4
|
106.0
|
105.4
|
104.8
|
105.0
|
Tachwedd 2016
|
106.0
|
106.9
|
106.0
|
104.9
|
105.6
|
Rhagfyr 2016
|
105.8
|
106.8
|
105.6
|
104.7
|
105.8
|
Ionawr 2017
|
105.9
|
106.9
|
105.7
|
104.7
|
105.7
|
Chwefror 2017
|
106.2
|
107.0
|
105.9
|
105.2
|
106.9
|
Mawrth 2017
|
106.7
|
107.6
|
106.4
|
105.5
|
107.4
|
Ebrill 2017
|
107.4
|
108.2
|
106.9
|
106.2
|
108.5
|
Mai 2017
|
107.0
|
107.7
|
106.7
|
105.8
|
108.2
|
Mehefin 2017
|
107.7
|
108.1
|
107.4
|
106.7
|
109.3
|
Gorffennaf 2017
|
108.3
|
108.7
|
108.2
|
107.4
|
110.1
|
Awst 2017
|
109.6
|
110.0
|
109.4
|
108.8
|
110.9
|
Medi 2017
|
111.2
|
111.8
|
111.0
|
110.2
|
112.1
|
Hydref 2017
|
112.0
|
112.8
|
111.9
|
111.0
|
112.4
|
Tachwedd 2017
|
111.7
|
112.5
|
111.8
|
110.6
|
112.0
|
Rhagfyr 2017
|
111.6
|
112.4
|
111.7
|
110.4
|
111.7
|
Ionawr 2018
|
112.8
|
113.6
|
113.0
|
111.6
|
112.9
|
Chwefror 2018
|
113.0
|
113.9
|
113.2
|
111.8
|
112.8
|
Mawrth 2018
|
113.2
|
114.1
|
113.5
|
112.1
|
112.7
|
Ebrill 2018
|
111.7
|
112.6
|
112.0
|
110.8
|
110.6
|
Mai 2018
|
112.6
|
113.5
|
112.9
|
111.7
|
111.0
|
Mehefin 2018
|
112.7
|
113.6
|
113.2
|
111.8
|
111.2
|
Gorffennaf 2018
|
113.7
|
114.8
|
114.1
|
112.7
|
112.0
|
Awst 2018
|
114.3
|
115.3
|
114.8
|
113.4
|
112.6
|
Medi 2018
|
115.4
|
116.6
|
115.9
|
114.5
|
113.3
|
Hydref 2018
|
115.7
|
116.8
|
116.3
|
114.7
|
113.7
|
Tachwedd 2018
|
116.5
|
117.9
|
117.0
|
115.2
|
114.2
|
Rhagfyr 2018
|
115.3
|
116.6
|
115.8
|
114.0
|
113.4
|
Ionawr 2019
|
115.5
|
117.0
|
115.9
|
114.0
|
113.5
|
Statws y prynwr
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol yn ôl y math o brynwr e.e. Prynwr am y Tro Cyntaf neu Gyn Berchen-Feddiannydd
Statws cyllido
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol a nifer y gwerthiannau yn ôl statws cyllido, e.e. Arian Parod/Morgais
Statws yr eiddo
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol a nifer y gwerthiannau yn ôl cyllido yn ôl statws yr eiddo, e.e. Newydd/Presennol
Dyddiad
|
Eiddo presennol
|
Ionawr 2011
|
198137.0
|
Chwefror 2011
|
195907.0
|
Mawrth 2011
|
194038.0
|
Ebrill 2011
|
190411.0
|
Mai 2011
|
188147.0
|
Mehefin 2011
|
187115.0
|
Gorffennaf 2011
|
189763.0
|
Awst 2011
|
191526.0
|
Medi 2011
|
193543.0
|
Hydref 2011
|
192799.0
|
Tachwedd 2011
|
191003.0
|
Rhagfyr 2011
|
190483.0
|
Ionawr 2012
|
189589.0
|
Chwefror 2012
|
192284.0
|
Mawrth 2012
|
192021.0
|
Ebrill 2012
|
194124.0
|
Mai 2012
|
194020.0
|
Mehefin 2012
|
196066.0
|
Gorffennaf 2012
|
196454.0
|
Awst 2012
|
192135.0
|
Medi 2012
|
190494.0
|
Hydref 2012
|
187244.0
|
Tachwedd 2012
|
189538.0
|
Rhagfyr 2012
|
187769.0
|
Ionawr 2013
|
188727.0
|
Chwefror 2013
|
187987.0
|
Mawrth 2013
|
187901.0
|
Ebrill 2013
|
188220.0
|
Mai 2013
|
189390.0
|
Mehefin 2013
|
192307.0
|
Gorffennaf 2013
|
193746.0
|
Awst 2013
|
194910.0
|
Medi 2013
|
196089.0
|
Hydref 2013
|
194864.0
|
Tachwedd 2013
|
194868.0
|
Rhagfyr 2013
|
193225.0
|
Ionawr 2014
|
194183.0
|
Chwefror 2014
|
195274.0
|
Mawrth 2014
|
196664.0
|
Ebrill 2014
|
197094.0
|
Mai 2014
|
196191.0
|
Mehefin 2014
|
195135.0
|
Gorffennaf 2014
|
197421.0
|
Awst 2014
|
198625.0
|
Medi 2014
|
203378.0
|
Hydref 2014
|
203742.0
|
Tachwedd 2014
|
204381.0
|
Rhagfyr 2014
|
202387.0
|
Ionawr 2015
|
201247.0
|
Chwefror 2015
|
201085.0
|
Mawrth 2015
|
201730.0
|
Ebrill 2015
|
204213.0
|
Mai 2015
|
206356.0
|
Mehefin 2015
|
207313.0
|
Gorffennaf 2015
|
207662.0
|
Awst 2015
|
208728.0
|
Medi 2015
|
211041.0
|
Hydref 2015
|
212389.0
|
Tachwedd 2015
|
213056.0
|
Rhagfyr 2015
|
213262.0
|
Ionawr 2016
|
210887.0
|
Chwefror 2016
|
209599.0
|
Mawrth 2016
|
213644.0
|
Ebrill 2016
|
212690.0
|
Mai 2016
|
212035.0
|
Mehefin 2016
|
205548.0
|
Gorffennaf 2016
|
207417.0
|
Awst 2016
|
209596.0
|
Medi 2016
|
210775.0
|
Hydref 2016
|
211868.0
|
Tachwedd 2016
|
212928.0
|
Rhagfyr 2016
|
212496.0
|
Ionawr 2017
|
212561.0
|
Chwefror 2017
|
213238.0
|
Mawrth 2017
|
214123.0
|
Ebrill 2017
|
215532.0
|
Mai 2017
|
214717.0
|
Mehefin 2017
|
216194.0
|
Gorffennaf 2017
|
217582.0
|
Awst 2017
|
220180.0
|
Medi 2017
|
223378.0
|
Hydref 2017
|
224993.0
|
Tachwedd 2017
|
224336.0
|
Rhagfyr 2017
|
224114.0
|
Ionawr 2018
|
226460.0
|
Chwefror 2018
|
226536.0
|
Mawrth 2018
|
226913.0
|
Ebrill 2018
|
223797.0
|
Mai 2018
|
226009.0
|
Mehefin 2018
|
226414.0
|
Gorffennaf 2018
|
228522.0
|
Awst 2018
|
229693.0
|
Medi 2018
|
231897.0
|
Hydref 2018
|
232332.0
|
Tachwedd 2018
|
234062.0
|
Rhagfyr 2018
|
231633.0
|
Ionawr 2019
|
232116.0
|
Dyddiad
|
Eiddo presennol
|
Ionawr 2011
|
4.1
|
Chwefror 2011
|
2.2
|
Mawrth 2011
|
-0.2
|
Ebrill 2011
|
-4.0
|
Mai 2011
|
-5.6
|
Mehefin 2011
|
-5.5
|
Gorffennaf 2011
|
-3.5
|
Awst 2011
|
-3.4
|
Medi 2011
|
-3.4
|
Hydref 2011
|
-4.4
|
Tachwedd 2011
|
-4.9
|
Rhagfyr 2011
|
-4.0
|
Ionawr 2012
|
-4.3
|
Chwefror 2012
|
-1.8
|
Mawrth 2012
|
-1.0
|
Ebrill 2012
|
2.0
|
Mai 2012
|
3.1
|
Mehefin 2012
|
4.8
|
Gorffennaf 2012
|
3.5
|
Awst 2012
|
0.3
|
Medi 2012
|
-1.6
|
Hydref 2012
|
-2.9
|
Tachwedd 2012
|
-0.8
|
Rhagfyr 2012
|
-1.4
|
Ionawr 2013
|
-0.4
|
Chwefror 2013
|
-2.2
|
Mawrth 2013
|
-2.2
|
Ebrill 2013
|
-3.0
|
Mai 2013
|
-2.4
|
Mehefin 2013
|
-1.9
|
Gorffennaf 2013
|
-1.4
|
Awst 2013
|
1.4
|
Medi 2013
|
2.9
|
Hydref 2013
|
4.1
|
Tachwedd 2013
|
2.8
|
Rhagfyr 2013
|
2.9
|
Ionawr 2014
|
2.9
|
Chwefror 2014
|
3.9
|
Mawrth 2014
|
4.7
|
Ebrill 2014
|
4.7
|
Mai 2014
|
3.6
|
Mehefin 2014
|
1.5
|
Gorffennaf 2014
|
1.9
|
Awst 2014
|
1.9
|
Medi 2014
|
3.7
|
Hydref 2014
|
4.6
|
Tachwedd 2014
|
4.9
|
Rhagfyr 2014
|
4.7
|
Ionawr 2015
|
3.6
|
Chwefror 2015
|
3.0
|
Mawrth 2015
|
2.6
|
Ebrill 2015
|
3.6
|
Mai 2015
|
5.2
|
Mehefin 2015
|
6.2
|
Gorffennaf 2015
|
5.2
|
Awst 2015
|
5.1
|
Medi 2015
|
3.8
|
Hydref 2015
|
4.2
|
Tachwedd 2015
|
4.2
|
Rhagfyr 2015
|
5.4
|
Ionawr 2016
|
4.8
|
Chwefror 2016
|
4.2
|
Mawrth 2016
|
5.9
|
Ebrill 2016
|
4.2
|
Mai 2016
|
2.8
|
Mehefin 2016
|
-0.8
|
Gorffennaf 2016
|
-0.1
|
Awst 2016
|
0.4
|
Medi 2016
|
-0.1
|
Hydref 2016
|
-0.2
|
Tachwedd 2016
|
-0.1
|
Rhagfyr 2016
|
-0.4
|
Ionawr 2017
|
0.8
|
Chwefror 2017
|
1.7
|
Mawrth 2017
|
0.2
|
Ebrill 2017
|
2.2
|
Mai 2017
|
1.8
|
Mehefin 2017
|
5.2
|
Gorffennaf 2017
|
4.9
|
Awst 2017
|
5.0
|
Medi 2017
|
6.0
|
Hydref 2017
|
6.2
|
Tachwedd 2017
|
5.4
|
Rhagfyr 2017
|
5.5
|
Ionawr 2018
|
6.5
|
Chwefror 2018
|
6.2
|
Mawrth 2018
|
6.0
|
Ebrill 2018
|
3.8
|
Mai 2018
|
5.3
|
Mehefin 2018
|
4.7
|
Gorffennaf 2018
|
5.0
|
Awst 2018
|
4.3
|
Medi 2018
|
3.8
|
Hydref 2018
|
3.3
|
Tachwedd 2018
|
4.3
|
Rhagfyr 2018
|
3.4
|
Ionawr 2019
|
2.5
|
Dyddiad
|
Eiddo presennol
|
Ionawr 2011
|
-0.1
|
Chwefror 2011
|
-1.1
|
Mawrth 2011
|
-1.0
|
Ebrill 2011
|
-1.9
|
Mai 2011
|
-1.2
|
Mehefin 2011
|
-0.6
|
Gorffennaf 2011
|
1.4
|
Awst 2011
|
0.9
|
Medi 2011
|
1.0
|
Hydref 2011
|
-0.4
|
Tachwedd 2011
|
-0.9
|
Rhagfyr 2011
|
-0.3
|
Ionawr 2012
|
-0.5
|
Chwefror 2012
|
1.4
|
Mawrth 2012
|
-0.1
|
Ebrill 2012
|
1.1
|
Mai 2012
|
-0.1
|
Mehefin 2012
|
1.0
|
Gorffennaf 2012
|
0.2
|
Awst 2012
|
-2.2
|
Medi 2012
|
-0.8
|
Hydref 2012
|
-1.7
|
Tachwedd 2012
|
1.2
|
Rhagfyr 2012
|
-0.9
|
Ionawr 2013
|
0.5
|
Chwefror 2013
|
-0.4
|
Mawrth 2013
|
-0.1
|
Ebrill 2013
|
0.2
|
Mai 2013
|
0.6
|
Mehefin 2013
|
1.5
|
Gorffennaf 2013
|
0.8
|
Awst 2013
|
0.6
|
Medi 2013
|
0.6
|
Hydref 2013
|
-0.6
|
Tachwedd 2013
|
0.0
|
Rhagfyr 2013
|
-0.8
|
Ionawr 2014
|
0.5
|
Chwefror 2014
|
0.6
|
Mawrth 2014
|
0.7
|
Ebrill 2014
|
0.2
|
Mai 2014
|
-0.5
|
Mehefin 2014
|
-0.5
|
Gorffennaf 2014
|
1.2
|
Awst 2014
|
0.6
|
Medi 2014
|
2.4
|
Hydref 2014
|
0.2
|
Tachwedd 2014
|
0.3
|
Rhagfyr 2014
|
-1.0
|
Ionawr 2015
|
-0.6
|
Chwefror 2015
|
-0.1
|
Mawrth 2015
|
0.3
|
Ebrill 2015
|
1.2
|
Mai 2015
|
1.0
|
Mehefin 2015
|
0.5
|
Gorffennaf 2015
|
0.2
|
Awst 2015
|
0.5
|
Medi 2015
|
1.1
|
Hydref 2015
|
0.6
|
Tachwedd 2015
|
0.3
|
Rhagfyr 2015
|
0.1
|
Ionawr 2016
|
-1.1
|
Chwefror 2016
|
-0.6
|
Mawrth 2016
|
1.9
|
Ebrill 2016
|
-0.4
|
Mai 2016
|
-0.3
|
Mehefin 2016
|
-3.1
|
Gorffennaf 2016
|
0.9
|
Awst 2016
|
1.0
|
Medi 2016
|
0.6
|
Hydref 2016
|
0.5
|
Tachwedd 2016
|
0.5
|
Rhagfyr 2016
|
-0.2
|
Ionawr 2017
|
0.0
|
Chwefror 2017
|
0.3
|
Mawrth 2017
|
0.4
|
Ebrill 2017
|
0.7
|
Mai 2017
|
-0.4
|
Mehefin 2017
|
0.7
|
Gorffennaf 2017
|
0.6
|
Awst 2017
|
1.2
|
Medi 2017
|
1.4
|
Hydref 2017
|
0.7
|
Tachwedd 2017
|
-0.3
|
Rhagfyr 2017
|
-0.1
|
Ionawr 2018
|
1.0
|
Chwefror 2018
|
0.0
|
Mawrth 2018
|
0.2
|
Ebrill 2018
|
-1.4
|
Mai 2018
|
1.0
|
Mehefin 2018
|
0.2
|
Gorffennaf 2018
|
0.9
|
Awst 2018
|
0.5
|
Medi 2018
|
1.0
|
Hydref 2018
|
0.2
|
Tachwedd 2018
|
0.7
|
Rhagfyr 2018
|
-1.0
|
Ionawr 2019
|
0.2
|
Dyddiad
|
Eiddo presennol
|
Ionawr 2011
|
98.5
|
Chwefror 2011
|
97.4
|
Mawrth 2011
|
96.4
|
Ebrill 2011
|
94.6
|
Mai 2011
|
93.5
|
Mehefin 2011
|
93.0
|
Gorffennaf 2011
|
94.3
|
Awst 2011
|
95.2
|
Medi 2011
|
96.2
|
Hydref 2011
|
95.8
|
Tachwedd 2011
|
94.9
|
Rhagfyr 2011
|
94.6
|
Ionawr 2012
|
94.2
|
Chwefror 2012
|
95.6
|
Mawrth 2012
|
95.4
|
Ebrill 2012
|
96.5
|
Mai 2012
|
96.4
|
Mehefin 2012
|
97.4
|
Gorffennaf 2012
|
97.6
|
Awst 2012
|
95.5
|
Medi 2012
|
94.7
|
Hydref 2012
|
93.0
|
Tachwedd 2012
|
94.2
|
Rhagfyr 2012
|
93.3
|
Ionawr 2013
|
93.8
|
Chwefror 2013
|
93.4
|
Mawrth 2013
|
93.4
|
Ebrill 2013
|
93.5
|
Mai 2013
|
94.1
|
Mehefin 2013
|
95.6
|
Gorffennaf 2013
|
96.3
|
Awst 2013
|
96.8
|
Medi 2013
|
97.4
|
Hydref 2013
|
96.8
|
Tachwedd 2013
|
96.8
|
Rhagfyr 2013
|
96.0
|
Ionawr 2014
|
96.5
|
Chwefror 2014
|
97.0
|
Mawrth 2014
|
97.7
|
Ebrill 2014
|
97.9
|
Mai 2014
|
97.5
|
Mehefin 2014
|
97.0
|
Gorffennaf 2014
|
98.1
|
Awst 2014
|
98.7
|
Medi 2014
|
101.1
|
Hydref 2014
|
101.2
|
Tachwedd 2014
|
101.6
|
Rhagfyr 2014
|
100.6
|
Ionawr 2015
|
100.0
|
Chwefror 2015
|
99.9
|
Mawrth 2015
|
100.2
|
Ebrill 2015
|
101.5
|
Mai 2015
|
102.5
|
Mehefin 2015
|
103.0
|
Gorffennaf 2015
|
103.2
|
Awst 2015
|
103.7
|
Medi 2015
|
104.9
|
Hydref 2015
|
105.5
|
Tachwedd 2015
|
105.9
|
Rhagfyr 2015
|
106.0
|
Ionawr 2016
|
104.8
|
Chwefror 2016
|
104.2
|
Mawrth 2016
|
106.2
|
Ebrill 2016
|
105.7
|
Mai 2016
|
105.4
|
Mehefin 2016
|
102.1
|
Gorffennaf 2016
|
103.1
|
Awst 2016
|
104.2
|
Medi 2016
|
104.7
|
Hydref 2016
|
105.3
|
Tachwedd 2016
|
105.8
|
Rhagfyr 2016
|
105.6
|
Ionawr 2017
|
105.6
|
Chwefror 2017
|
106.0
|
Mawrth 2017
|
106.4
|
Ebrill 2017
|
107.1
|
Mai 2017
|
106.7
|
Mehefin 2017
|
107.4
|
Gorffennaf 2017
|
108.1
|
Awst 2017
|
109.4
|
Medi 2017
|
111.0
|
Hydref 2017
|
111.8
|
Tachwedd 2017
|
111.5
|
Rhagfyr 2017
|
111.4
|
Ionawr 2018
|
112.5
|
Chwefror 2018
|
112.6
|
Mawrth 2018
|
112.8
|
Ebrill 2018
|
111.2
|
Mai 2018
|
112.3
|
Mehefin 2018
|
112.5
|
Gorffennaf 2018
|
113.6
|
Awst 2018
|
114.1
|
Medi 2018
|
115.2
|
Hydref 2018
|
115.4
|
Tachwedd 2018
|
116.3
|
Rhagfyr 2018
|
115.1
|
Ionawr 2019
|
115.3
|