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
|
Fflatiau a fflatiau deulawr
|
Rhagfyr 2017
|
123926.0
|
202686.0
|
128683.0
|
69734.0
|
Ionawr 2018
|
122051.0
|
199631.0
|
126776.0
|
68627.0
|
Chwefror 2018
|
124546.0
|
204543.0
|
129361.0
|
69912.0
|
Mawrth 2018
|
124669.0
|
205251.0
|
129541.0
|
69787.0
|
Ebrill 2018
|
128151.0
|
210690.0
|
133201.0
|
71434.0
|
Mai 2018
|
127403.0
|
208394.0
|
132589.0
|
70659.0
|
Mehefin 2018
|
128487.0
|
209858.0
|
133880.0
|
71325.0
|
Gorffennaf 2018
|
127878.0
|
208908.0
|
133197.0
|
70904.0
|
Awst 2018
|
127768.0
|
209118.0
|
133004.0
|
70737.0
|
Medi 2018
|
128953.0
|
211483.0
|
134188.0
|
71082.0
|
Hydref 2018
|
128808.0
|
211587.0
|
134093.0
|
71071.0
|
Tachwedd 2018
|
130466.0
|
214212.0
|
135865.0
|
71774.0
|
Rhagfyr 2018
|
128983.0
|
211301.0
|
134320.0
|
71199.0
|
Ionawr 2019
|
128923.0
|
211607.0
|
134292.0
|
70926.0
|
Chwefror 2019
|
128237.0
|
211403.0
|
133564.0
|
70744.0
|
Mawrth 2019
|
129027.0
|
213379.0
|
134452.0
|
70616.0
|
Ebrill 2019
|
128968.0
|
212874.0
|
134411.0
|
70297.0
|
Mai 2019
|
128853.0
|
211872.0
|
134347.0
|
69874.0
|
Mehefin 2019
|
129212.0
|
211769.0
|
134686.0
|
70201.0
|
Gorffennaf 2019
|
131562.0
|
215644.0
|
137030.0
|
71704.0
|
Awst 2019
|
133000.0
|
217677.0
|
138439.0
|
72345.0
|
Medi 2019
|
133208.0
|
218368.0
|
138496.0
|
72521.0
|
Hydref 2019
|
133171.0
|
217767.0
|
138668.0
|
72376.0
|
Tachwedd 2019
|
131150.0
|
214447.0
|
136728.0
|
71312.0
|
Rhagfyr 2019
|
131951.0
|
215484.0
|
137626.0
|
71382.0
|
Ionawr 2020
|
130669.0
|
214084.0
|
136251.0
|
70470.0
|
Chwefror 2020
|
132021.0
|
216261.0
|
137672.0
|
71360.0
|
Mawrth 2020
|
131901.0
|
216414.0
|
137666.0
|
71481.0
|
Ebrill 2020
|
132534.0
|
217897.0
|
138187.0
|
71251.0
|
Mai 2020
|
133425.0
|
220675.0
|
139111.0
|
71355.0
|
Mehefin 2020
|
134545.0
|
221654.0
|
140416.0
|
71850.0
|
Gorffennaf 2020
|
135124.0
|
221230.0
|
141131.0
|
72814.0
|
Awst 2020
|
133787.0
|
217821.0
|
139785.0
|
71916.0
|
Medi 2020
|
135491.0
|
221138.0
|
141441.0
|
72479.0
|
Hydref 2020
|
138423.0
|
226003.0
|
144452.0
|
73677.0
|
Tachwedd 2020
|
141623.0
|
230720.0
|
147653.0
|
75656.0
|
Rhagfyr 2020
|
142063.0
|
230881.0
|
148003.0
|
75996.0
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai pâr
|
Fflatiau a fflatiau deulawr
|
Rhagfyr 2017
|
2.3
|
1.3
|
2.4
|
1.9
|
Ionawr 2018
|
0.4
|
-0.8
|
0.6
|
0.4
|
Chwefror 2018
|
0.9
|
0.2
|
1.1
|
0.2
|
Mawrth 2018
|
-1.0
|
-1.4
|
-0.8
|
-2.0
|
Ebrill 2018
|
3.2
|
2.8
|
3.5
|
1.2
|
Mai 2018
|
2.6
|
2.2
|
2.9
|
0.2
|
Mehefin 2018
|
4.1
|
4.1
|
4.6
|
1.7
|
Gorffennaf 2018
|
1.8
|
1.9
|
2.1
|
-0.8
|
Awst 2018
|
1.5
|
2.0
|
1.9
|
-1.1
|
Medi 2018
|
3.2
|
3.5
|
3.6
|
0.4
|
Hydref 2018
|
3.0
|
3.3
|
3.5
|
0.8
|
Tachwedd 2018
|
5.4
|
5.4
|
5.8
|
3.0
|
Rhagfyr 2018
|
4.1
|
4.2
|
4.4
|
2.1
|
Ionawr 2019
|
5.6
|
6.0
|
5.9
|
3.4
|
Chwefror 2019
|
3.0
|
3.4
|
3.2
|
1.2
|
Mawrth 2019
|
3.5
|
4.0
|
3.8
|
1.2
|
Ebrill 2019
|
0.6
|
1.0
|
0.9
|
-1.6
|
Mai 2019
|
1.1
|
1.7
|
1.3
|
-1.1
|
Mehefin 2019
|
0.6
|
0.9
|
0.6
|
-1.6
|
Gorffennaf 2019
|
2.9
|
3.2
|
2.9
|
1.1
|
Awst 2019
|
4.1
|
4.1
|
4.1
|
2.3
|
Medi 2019
|
3.3
|
3.3
|
3.2
|
2.0
|
Hydref 2019
|
3.4
|
2.9
|
3.4
|
1.8
|
Tachwedd 2019
|
0.5
|
0.1
|
0.6
|
-0.6
|
Rhagfyr 2019
|
2.3
|
2.0
|
2.5
|
0.3
|
Ionawr 2020
|
1.4
|
1.2
|
1.5
|
-0.6
|
Chwefror 2020
|
3.0
|
2.3
|
3.1
|
0.9
|
Mawrth 2020
|
2.2
|
1.4
|
2.4
|
1.2
|
Ebrill 2020
|
2.8
|
2.4
|
2.8
|
1.4
|
Mai 2020
|
3.6
|
4.2
|
3.6
|
2.1
|
Mehefin 2020
|
4.1
|
4.7
|
4.2
|
2.4
|
Gorffennaf 2020
|
2.7
|
2.6
|
3.0
|
1.6
|
Awst 2020
|
0.6
|
0.1
|
1.0
|
-0.6
|
Medi 2020
|
1.7
|
1.3
|
2.1
|
-0.1
|
Hydref 2020
|
3.9
|
3.8
|
4.2
|
1.8
|
Tachwedd 2020
|
8.0
|
7.6
|
8.0
|
6.1
|
Rhagfyr 2020
|
7.7
|
7.2
|
7.5
|
6.5
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai pâr
|
Fflatiau a fflatiau deulawr
|
Rhagfyr 2017
|
0.1
|
-0.3
|
0.2
|
0.0
|
Ionawr 2018
|
-1.5
|
-1.5
|
-1.5
|
-1.6
|
Chwefror 2018
|
2.0
|
2.5
|
2.0
|
1.9
|
Mawrth 2018
|
0.1
|
0.4
|
0.1
|
-0.2
|
Ebrill 2018
|
2.8
|
2.6
|
2.8
|
2.4
|
Mai 2018
|
-0.6
|
-1.1
|
-0.5
|
-1.1
|
Mehefin 2018
|
0.8
|
0.7
|
1.0
|
0.9
|
Gorffennaf 2018
|
-0.5
|
-0.4
|
-0.5
|
-0.6
|
Awst 2018
|
-0.1
|
0.1
|
-0.1
|
-0.2
|
Medi 2018
|
0.9
|
1.1
|
0.9
|
0.5
|
Hydref 2018
|
-0.1
|
0.1
|
-0.1
|
-0.0
|
Tachwedd 2018
|
1.3
|
1.2
|
1.3
|
1.0
|
Rhagfyr 2018
|
-1.1
|
-1.4
|
-1.1
|
-0.8
|
Ionawr 2019
|
-0.1
|
0.1
|
-0.0
|
-0.4
|
Chwefror 2019
|
-0.5
|
-0.1
|
-0.5
|
-0.3
|
Mawrth 2019
|
0.6
|
0.9
|
0.7
|
-0.2
|
Ebrill 2019
|
-0.1
|
-0.2
|
-0.0
|
-0.4
|
Mai 2019
|
-0.1
|
-0.5
|
-0.1
|
-0.6
|
Mehefin 2019
|
0.3
|
-0.1
|
0.2
|
0.5
|
Gorffennaf 2019
|
1.8
|
1.8
|
1.7
|
2.1
|
Awst 2019
|
1.1
|
0.9
|
1.0
|
0.9
|
Medi 2019
|
0.2
|
0.3
|
0.0
|
0.2
|
Hydref 2019
|
-0.0
|
-0.3
|
0.1
|
-0.2
|
Tachwedd 2019
|
-1.5
|
-1.5
|
-1.4
|
-1.5
|
Rhagfyr 2019
|
0.6
|
0.5
|
0.7
|
0.1
|
Ionawr 2020
|
-1.0
|
-0.6
|
-1.0
|
-1.3
|
Chwefror 2020
|
1.0
|
1.0
|
1.0
|
1.3
|
Mawrth 2020
|
-0.1
|
0.1
|
0.0
|
0.2
|
Ebrill 2020
|
0.5
|
0.7
|
0.4
|
-0.3
|
Mai 2020
|
0.7
|
1.3
|
0.7
|
0.2
|
Mehefin 2020
|
0.8
|
0.4
|
0.9
|
0.7
|
Gorffennaf 2020
|
0.4
|
-0.2
|
0.5
|
1.3
|
Awst 2020
|
-1.0
|
-1.5
|
-1.0
|
-1.2
|
Medi 2020
|
1.3
|
1.5
|
1.2
|
0.8
|
Hydref 2020
|
2.2
|
2.2
|
2.1
|
1.6
|
Tachwedd 2020
|
2.3
|
2.1
|
2.2
|
2.7
|
Rhagfyr 2020
|
0.3
|
0.1
|
0.2
|
0.4
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai pâr
|
Fflatiau a fflatiau deulawr
|
Rhagfyr 2017
|
115.2
|
115.8
|
115.6
|
114.2
|
Ionawr 2018
|
113.4
|
114.1
|
113.9
|
112.4
|
Chwefror 2018
|
115.8
|
116.9
|
116.2
|
114.5
|
Mawrth 2018
|
115.9
|
117.3
|
116.3
|
114.3
|
Ebrill 2018
|
119.1
|
120.4
|
119.6
|
117.0
|
Mai 2018
|
118.4
|
119.1
|
119.1
|
115.8
|
Mehefin 2018
|
119.4
|
119.9
|
120.2
|
116.8
|
Gorffennaf 2018
|
118.9
|
119.4
|
119.6
|
116.2
|
Awst 2018
|
118.8
|
119.5
|
119.4
|
115.9
|
Medi 2018
|
119.9
|
120.9
|
120.5
|
116.4
|
Hydref 2018
|
119.7
|
120.9
|
120.4
|
116.4
|
Tachwedd 2018
|
121.3
|
122.4
|
122.0
|
117.6
|
Rhagfyr 2018
|
119.9
|
120.8
|
120.6
|
116.6
|
Ionawr 2019
|
119.8
|
120.9
|
120.6
|
116.2
|
Chwefror 2019
|
119.2
|
120.8
|
120.0
|
115.9
|
Mawrth 2019
|
119.9
|
122.0
|
120.8
|
115.7
|
Ebrill 2019
|
119.9
|
121.7
|
120.7
|
115.2
|
Mai 2019
|
119.8
|
121.1
|
120.7
|
114.5
|
Mehefin 2019
|
120.1
|
121.0
|
121.0
|
115.0
|
Gorffennaf 2019
|
122.3
|
123.2
|
123.1
|
117.5
|
Awst 2019
|
123.6
|
124.4
|
124.3
|
118.5
|
Medi 2019
|
123.8
|
124.8
|
124.4
|
118.8
|
Hydref 2019
|
123.8
|
124.5
|
124.5
|
118.6
|
Tachwedd 2019
|
121.9
|
122.6
|
122.8
|
116.8
|
Rhagfyr 2019
|
122.6
|
123.2
|
123.6
|
116.9
|
Ionawr 2020
|
121.4
|
122.4
|
122.4
|
115.4
|
Chwefror 2020
|
122.7
|
123.6
|
123.6
|
116.9
|
Mawrth 2020
|
122.6
|
123.7
|
123.6
|
117.1
|
Ebrill 2020
|
123.2
|
124.5
|
124.1
|
116.7
|
Mai 2020
|
124.0
|
126.1
|
124.9
|
116.9
|
Mehefin 2020
|
125.1
|
126.7
|
126.1
|
117.7
|
Gorffennaf 2020
|
125.6
|
126.4
|
126.8
|
119.3
|
Awst 2020
|
124.4
|
124.5
|
125.5
|
117.8
|
Medi 2020
|
125.9
|
126.4
|
127.0
|
118.7
|
Hydref 2020
|
128.7
|
129.2
|
129.7
|
120.7
|
Tachwedd 2020
|
131.6
|
131.9
|
132.6
|
123.9
|
Rhagfyr 2020
|
132.0
|
132.0
|
132.9
|
124.5
|
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
Dyddiad
|
Pryniannau arian parod
|
Rhagfyr 2017
|
113820.0
|
Ionawr 2018
|
112054.0
|
Chwefror 2018
|
114223.0
|
Mawrth 2018
|
114289.0
|
Ebrill 2018
|
117496.0
|
Mai 2018
|
116914.0
|
Mehefin 2018
|
117922.0
|
Gorffennaf 2018
|
117396.0
|
Awst 2018
|
117202.0
|
Medi 2018
|
118228.0
|
Hydref 2018
|
118023.0
|
Tachwedd 2018
|
119637.0
|
Rhagfyr 2018
|
118387.0
|
Ionawr 2019
|
118295.0
|
Chwefror 2019
|
117558.0
|
Mawrth 2019
|
118112.0
|
Ebrill 2019
|
118075.0
|
Mai 2019
|
117972.0
|
Mehefin 2019
|
118411.0
|
Gorffennaf 2019
|
120574.0
|
Awst 2019
|
121921.0
|
Medi 2019
|
122068.0
|
Hydref 2019
|
122032.0
|
Tachwedd 2019
|
120177.0
|
Rhagfyr 2019
|
121016.0
|
Ionawr 2020
|
119698.0
|
Chwefror 2020
|
121061.0
|
Mawrth 2020
|
120832.0
|
Ebrill 2020
|
121333.0
|
Mai 2020
|
121777.0
|
Mehefin 2020
|
122982.0
|
Gorffennaf 2020
|
123798.0
|
Awst 2020
|
122768.0
|
Medi 2020
|
124142.0
|
Hydref 2020
|
126895.0
|
Tachwedd 2020
|
130083.0
|
Rhagfyr 2020
|
130705.0
|
Dyddiad
|
Pryniannau arian parod
|
Rhagfyr 2017
|
2.3
|
Ionawr 2018
|
0.5
|
Chwefror 2018
|
0.8
|
Mawrth 2018
|
-1.1
|
Ebrill 2018
|
2.9
|
Mai 2018
|
2.4
|
Mehefin 2018
|
4.0
|
Gorffennaf 2018
|
1.6
|
Awst 2018
|
1.2
|
Medi 2018
|
2.9
|
Hydref 2018
|
2.8
|
Tachwedd 2018
|
5.2
|
Rhagfyr 2018
|
4.0
|
Ionawr 2019
|
5.6
|
Chwefror 2019
|
2.9
|
Mawrth 2019
|
3.4
|
Ebrill 2019
|
0.5
|
Mai 2019
|
0.9
|
Mehefin 2019
|
0.4
|
Gorffennaf 2019
|
2.7
|
Awst 2019
|
4.0
|
Medi 2019
|
3.2
|
Hydref 2019
|
3.4
|
Tachwedd 2019
|
0.4
|
Rhagfyr 2019
|
2.2
|
Ionawr 2020
|
1.2
|
Chwefror 2020
|
3.0
|
Mawrth 2020
|
2.3
|
Ebrill 2020
|
2.8
|
Mai 2020
|
3.2
|
Mehefin 2020
|
3.9
|
Gorffennaf 2020
|
2.7
|
Awst 2020
|
0.7
|
Medi 2020
|
1.7
|
Hydref 2020
|
4.0
|
Tachwedd 2020
|
8.2
|
Rhagfyr 2020
|
8.0
|
Dyddiad
|
Pryniannau arian parod
|
Rhagfyr 2017
|
0.1
|
Ionawr 2018
|
-1.6
|
Chwefror 2018
|
1.9
|
Mawrth 2018
|
0.1
|
Ebrill 2018
|
2.8
|
Mai 2018
|
-0.5
|
Mehefin 2018
|
0.9
|
Gorffennaf 2018
|
-0.4
|
Awst 2018
|
-0.2
|
Medi 2018
|
0.9
|
Hydref 2018
|
-0.2
|
Tachwedd 2018
|
1.4
|
Rhagfyr 2018
|
-1.0
|
Ionawr 2019
|
-0.1
|
Chwefror 2019
|
-0.6
|
Mawrth 2019
|
0.5
|
Ebrill 2019
|
-0.0
|
Mai 2019
|
-0.1
|
Mehefin 2019
|
0.4
|
Gorffennaf 2019
|
1.8
|
Awst 2019
|
1.1
|
Medi 2019
|
0.1
|
Hydref 2019
|
-0.0
|
Tachwedd 2019
|
-1.5
|
Rhagfyr 2019
|
0.7
|
Ionawr 2020
|
-1.1
|
Chwefror 2020
|
1.1
|
Mawrth 2020
|
-0.2
|
Ebrill 2020
|
0.4
|
Mai 2020
|
0.4
|
Mehefin 2020
|
1.0
|
Gorffennaf 2020
|
0.7
|
Awst 2020
|
-0.8
|
Medi 2020
|
1.1
|
Hydref 2020
|
2.2
|
Tachwedd 2020
|
2.5
|
Rhagfyr 2020
|
0.5
|
Dyddiad
|
Pryniannau arian parod
|
Rhagfyr 2017
|
115.0
|
Ionawr 2018
|
113.2
|
Chwefror 2018
|
115.4
|
Mawrth 2018
|
115.5
|
Ebrill 2018
|
118.7
|
Mai 2018
|
118.1
|
Mehefin 2018
|
119.2
|
Gorffennaf 2018
|
118.6
|
Awst 2018
|
118.4
|
Medi 2018
|
119.5
|
Hydref 2018
|
119.2
|
Tachwedd 2018
|
120.9
|
Rhagfyr 2018
|
119.6
|
Ionawr 2019
|
119.5
|
Chwefror 2019
|
118.8
|
Mawrth 2019
|
119.3
|
Ebrill 2019
|
119.3
|
Mai 2019
|
119.2
|
Mehefin 2019
|
119.6
|
Gorffennaf 2019
|
121.8
|
Awst 2019
|
123.2
|
Medi 2019
|
123.3
|
Hydref 2019
|
123.3
|
Tachwedd 2019
|
121.4
|
Rhagfyr 2019
|
122.3
|
Ionawr 2020
|
120.9
|
Chwefror 2020
|
122.3
|
Mawrth 2020
|
122.1
|
Ebrill 2020
|
122.6
|
Mai 2020
|
123.0
|
Mehefin 2020
|
124.3
|
Gorffennaf 2020
|
125.1
|
Awst 2020
|
124.0
|
Medi 2020
|
125.4
|
Hydref 2020
|
128.2
|
Tachwedd 2020
|
131.4
|
Rhagfyr 2020
|
132.1
|
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
|
Rhagfyr 2017
|
192434.0
|
Ionawr 2018
|
190601.0
|
Chwefror 2018
|
199521.0
|
Mawrth 2018
|
201369.0
|
Ebrill 2018
|
206728.0
|
Mai 2018
|
202040.0
|
Mehefin 2018
|
203240.0
|
Gorffennaf 2018
|
201610.0
|
Awst 2018
|
202431.0
|
Medi 2018
|
204578.0
|
Hydref 2018
|
205266.0
|
Tachwedd 2018
|
206213.0
|
Rhagfyr 2018
|
203601.0
|
Ionawr 2019
|
203379.0
|
Chwefror 2019
|
206349.0
|
Mawrth 2019
|
209350.0
|
Ebrill 2019
|
209865.0
|
Mai 2019
|
207352.0
|
Mehefin 2019
|
205703.0
|
Gorffennaf 2019
|
209917.0
|
Awst 2019
|
211496.0
|
Medi 2019
|
213435.0
|
Hydref 2019
|
212475.0
|
Tachwedd 2019
|
207763.0
|
Rhagfyr 2019
|
206803.0
|
Ionawr 2020
|
206556.0
|
Chwefror 2020
|
211187.0
|
Mawrth 2020
|
214235.0
|
Ebrill 2020
|
215985.0
|
Mai 2020
|
220040.0
|
Mehefin 2020
|
219972.0
|
Gorffennaf 2020
|
218612.0
|
Awst 2020
|
214266.0
|
Medi 2020
|
217801.0
|
Hydref 2020
|
221386.0
|
Tachwedd 2020
|
224534.0
|
Rhagfyr 2020
|
223746.0
|
Dyddiad
|
Adeilad newydd
|
Rhagfyr 2017
|
1.3
|
Ionawr 2018
|
-0.8
|
Chwefror 2018
|
2.2
|
Mawrth 2018
|
1.0
|
Ebrill 2018
|
6.1
|
Mai 2018
|
4.3
|
Mehefin 2018
|
6.2
|
Gorffennaf 2018
|
3.5
|
Awst 2018
|
4.2
|
Medi 2018
|
6.0
|
Hydref 2018
|
5.8
|
Tachwedd 2018
|
7.2
|
Rhagfyr 2018
|
5.8
|
Ionawr 2019
|
6.7
|
Chwefror 2019
|
3.4
|
Mawrth 2019
|
4.0
|
Ebrill 2019
|
1.5
|
Mai 2019
|
2.6
|
Mehefin 2019
|
1.2
|
Gorffennaf 2019
|
4.1
|
Awst 2019
|
4.5
|
Medi 2019
|
4.3
|
Hydref 2019
|
3.5
|
Tachwedd 2019
|
0.8
|
Rhagfyr 2019
|
1.6
|
Ionawr 2020
|
1.6
|
Chwefror 2020
|
2.3
|
Mawrth 2020
|
2.3
|
Ebrill 2020
|
2.9
|
Mai 2020
|
6.1
|
Mehefin 2020
|
6.9
|
Gorffennaf 2020
|
4.1
|
Awst 2020
|
1.3
|
Medi 2020
|
2.0
|
Hydref 2020
|
4.2
|
Tachwedd 2020
|
8.1
|
Rhagfyr 2020
|
8.2
|
Dyddiad
|
Adeilad newydd
|
Rhagfyr 2017
|
0.1
|
Ionawr 2018
|
-1.0
|
Chwefror 2018
|
4.7
|
Mawrth 2018
|
0.9
|
Ebrill 2018
|
2.7
|
Mai 2018
|
-2.3
|
Mehefin 2018
|
0.6
|
Gorffennaf 2018
|
-0.8
|
Awst 2018
|
0.4
|
Medi 2018
|
1.1
|
Hydref 2018
|
0.3
|
Tachwedd 2018
|
0.5
|
Rhagfyr 2018
|
-1.3
|
Ionawr 2019
|
-0.1
|
Chwefror 2019
|
1.5
|
Mawrth 2019
|
1.4
|
Ebrill 2019
|
0.2
|
Mai 2019
|
-1.2
|
Mehefin 2019
|
-0.8
|
Gorffennaf 2019
|
2.0
|
Awst 2019
|
0.8
|
Medi 2019
|
0.9
|
Hydref 2019
|
-0.4
|
Tachwedd 2019
|
-2.2
|
Rhagfyr 2019
|
-0.5
|
Ionawr 2020
|
-0.1
|
Chwefror 2020
|
2.2
|
Mawrth 2020
|
1.4
|
Ebrill 2020
|
0.8
|
Mai 2020
|
1.9
|
Mehefin 2020
|
-0.0
|
Gorffennaf 2020
|
-0.6
|
Awst 2020
|
-2.0
|
Medi 2020
|
1.6
|
Hydref 2020
|
1.6
|
Tachwedd 2020
|
1.4
|
Rhagfyr 2020
|
-0.4
|
Dyddiad
|
Adeilad newydd
|
Rhagfyr 2017
|
117.3
|
Ionawr 2018
|
116.2
|
Chwefror 2018
|
121.6
|
Mawrth 2018
|
122.7
|
Ebrill 2018
|
126.0
|
Mai 2018
|
123.1
|
Mehefin 2018
|
123.9
|
Gorffennaf 2018
|
122.9
|
Awst 2018
|
123.4
|
Medi 2018
|
124.7
|
Hydref 2018
|
125.1
|
Tachwedd 2018
|
125.7
|
Rhagfyr 2018
|
124.1
|
Ionawr 2019
|
124.0
|
Chwefror 2019
|
125.8
|
Mawrth 2019
|
127.6
|
Ebrill 2019
|
127.9
|
Mai 2019
|
126.4
|
Mehefin 2019
|
125.4
|
Gorffennaf 2019
|
127.9
|
Awst 2019
|
128.9
|
Medi 2019
|
130.1
|
Hydref 2019
|
129.5
|
Tachwedd 2019
|
126.6
|
Rhagfyr 2019
|
126.0
|
Ionawr 2020
|
125.9
|
Chwefror 2020
|
128.7
|
Mawrth 2020
|
130.6
|
Ebrill 2020
|
131.6
|
Mai 2020
|
134.1
|
Mehefin 2020
|
134.1
|
Gorffennaf 2020
|
133.2
|
Awst 2020
|
130.6
|
Medi 2020
|
132.7
|
Hydref 2020
|
134.9
|
Tachwedd 2020
|
136.8
|
Rhagfyr 2020
|
136.4
|