Cysylltau cyflym:
yn ôl math o eiddo
yn ôl statws y prynwr
yn ôl statws cyllido
yn ôl statws yr eiddo
Ystadegau Prisiau Tai
Math o eiddo
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol ar gyfer pob math o eiddo neu ganolbwyntio ar un penodol.
Dyddiad
|
Pob math o eiddo
|
Tai pâr
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ionawr 2014
|
178958.0
|
234938.0
|
170366.0
|
136745.0
|
Chwefror 2014
|
179635.0
|
234622.0
|
171065.0
|
137626.0
|
Mawrth 2014
|
182357.0
|
238477.0
|
173939.0
|
139304.0
|
Ebrill 2014
|
181831.0
|
238109.0
|
173807.0
|
138785.0
|
Mai 2014
|
189178.0
|
248976.0
|
180857.0
|
144064.0
|
Mehefin 2014
|
192923.0
|
254194.0
|
184495.0
|
146906.0
|
Gorffennaf 2014
|
197171.0
|
260445.0
|
188629.0
|
149740.0
|
Awst 2014
|
196203.0
|
259570.0
|
187867.0
|
148897.0
|
Medi 2014
|
199285.0
|
263735.0
|
190894.0
|
150959.0
|
Hydref 2014
|
198567.0
|
263107.0
|
189819.0
|
150554.0
|
Tachwedd 2014
|
198445.0
|
262829.0
|
189421.0
|
150499.0
|
Rhagfyr 2014
|
196037.0
|
259929.0
|
186866.0
|
148783.0
|
Ionawr 2015
|
194934.0
|
257786.0
|
185879.0
|
148151.0
|
Chwefror 2015
|
194018.0
|
256918.0
|
184765.0
|
147487.0
|
Mawrth 2015
|
195391.0
|
259727.0
|
185400.0
|
147887.0
|
Ebrill 2015
|
193881.0
|
256618.0
|
184498.0
|
147431.0
|
Mai 2015
|
194283.0
|
256293.0
|
185231.0
|
148353.0
|
Mehefin 2015
|
191032.0
|
250260.0
|
183465.0
|
146684.0
|
Gorffennaf 2015
|
192164.0
|
252496.0
|
184276.0
|
146943.0
|
Awst 2015
|
192744.0
|
254014.0
|
185021.0
|
146530.0
|
Medi 2015
|
191769.0
|
253236.0
|
183641.0
|
145656.0
|
Hydref 2015
|
189379.0
|
250513.0
|
181567.0
|
143507.0
|
Tachwedd 2015
|
186096.0
|
245728.0
|
178424.0
|
141166.0
|
Rhagfyr 2015
|
185848.0
|
245780.0
|
178217.0
|
140589.0
|
Ionawr 2016
|
181773.0
|
240742.0
|
173834.0
|
137617.0
|
Chwefror 2016
|
178336.0
|
237046.0
|
170666.0
|
134737.0
|
Mawrth 2016
|
173942.0
|
230594.0
|
166222.0
|
131867.0
|
Ebrill 2016
|
175201.0
|
232640.0
|
167888.0
|
132512.0
|
Mai 2016
|
178120.0
|
235531.0
|
170741.0
|
135316.0
|
Mehefin 2016
|
181954.0
|
240869.0
|
174809.0
|
137949.0
|
Gorffennaf 2016
|
180687.0
|
238103.0
|
173551.0
|
137412.0
|
Awst 2016
|
176417.0
|
233547.0
|
169461.0
|
133387.0
|
Medi 2016
|
171284.0
|
226595.0
|
164314.0
|
129825.0
|
Hydref 2016
|
171467.0
|
228175.0
|
163710.0
|
129599.0
|
Tachwedd 2016
|
170715.0
|
226347.0
|
162524.0
|
129646.0
|
Rhagfyr 2016
|
167654.0
|
222817.0
|
159464.0
|
127216.0
|
Ionawr 2017
|
162453.0
|
215222.0
|
154799.0
|
123439.0
|
Chwefror 2017
|
162123.0
|
215258.0
|
154457.0
|
122856.0
|
Mawrth 2017
|
163840.0
|
216829.0
|
155811.0
|
124437.0
|
Ebrill 2017
|
164580.0
|
217461.0
|
156191.0
|
125258.0
|
Mai 2017
|
163656.0
|
215797.0
|
154960.0
|
125088.0
|
Mehefin 2017
|
164027.0
|
215855.0
|
155205.0
|
125635.0
|
Gorffennaf 2017
|
166711.0
|
219570.0
|
157660.0
|
127767.0
|
Awst 2017
|
167850.0
|
220763.0
|
159020.0
|
128504.0
|
Medi 2017
|
168928.0
|
222658.0
|
160242.0
|
128990.0
|
Hydref 2017
|
166772.0
|
220345.0
|
158551.0
|
127058.0
|
Tachwedd 2017
|
165582.0
|
219806.0
|
157564.0
|
125817.0
|
Rhagfyr 2017
|
163507.0
|
217184.0
|
155768.0
|
124208.0
|
Ionawr 2018
|
163440.0
|
217623.0
|
155958.0
|
123808.0
|
Chwefror 2018
|
160631.0
|
213275.0
|
153405.0
|
121548.0
|
Mawrth 2018
|
159378.0
|
212753.0
|
152833.0
|
119921.0
|
Ebrill 2018
|
160036.0
|
213447.0
|
154010.0
|
120438.0
|
Mai 2018
|
159659.0
|
212813.0
|
153695.0
|
120560.0
|
Mehefin 2018
|
158562.0
|
210806.0
|
152222.0
|
120314.0
|
Gorffennaf 2018
|
158190.0
|
209657.0
|
151434.0
|
120291.0
|
Awst 2018
|
159333.0
|
211976.0
|
153030.0
|
120608.0
|
Medi 2018
|
160131.0
|
213594.0
|
154103.0
|
120745.0
|
Dyddiad
|
Pob math o eiddo
|
Tai pâr
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ionawr 2014
|
10.9
|
11.3
|
10.4
|
10.6
|
Chwefror 2014
|
14.2
|
13.9
|
13.9
|
14.4
|
Mawrth 2014
|
14.3
|
13.6
|
14.5
|
14.3
|
Ebrill 2014
|
12.5
|
12.3
|
12.7
|
12.3
|
Mai 2014
|
12.8
|
13.7
|
13.3
|
11.7
|
Mehefin 2014
|
14.5
|
15.8
|
15.0
|
13.2
|
Gorffennaf 2014
|
15.7
|
17.4
|
16.2
|
14.2
|
Awst 2014
|
13.3
|
15.0
|
13.6
|
12.1
|
Medi 2014
|
13.9
|
15.6
|
14.2
|
12.8
|
Hydref 2014
|
11.4
|
13.2
|
11.5
|
10.3
|
Tachwedd 2014
|
11.8
|
13.2
|
12.0
|
11.2
|
Rhagfyr 2014
|
11.4
|
12.7
|
11.5
|
10.6
|
Ionawr 2015
|
8.9
|
9.7
|
9.1
|
8.3
|
Chwefror 2015
|
8.0
|
9.5
|
8.0
|
7.2
|
Mawrth 2015
|
7.2
|
8.9
|
6.6
|
6.2
|
Ebrill 2015
|
6.6
|
7.8
|
6.2
|
6.2
|
Mai 2015
|
2.7
|
2.9
|
2.4
|
3.0
|
Mehefin 2015
|
-1.0
|
-1.6
|
-0.6
|
-0.2
|
Gorffennaf 2015
|
-2.5
|
-3.0
|
-2.3
|
-1.9
|
Awst 2015
|
-1.8
|
-2.1
|
-1.5
|
-1.6
|
Medi 2015
|
-3.8
|
-4.0
|
-3.8
|
-3.5
|
Hydref 2015
|
-4.6
|
-4.8
|
-4.4
|
-4.7
|
Tachwedd 2015
|
-6.2
|
-6.5
|
-5.8
|
-6.2
|
Rhagfyr 2015
|
-5.2
|
-5.4
|
-4.6
|
-5.5
|
Ionawr 2016
|
-6.8
|
-6.6
|
-6.5
|
-7.1
|
Chwefror 2016
|
-8.1
|
-7.7
|
-7.6
|
-8.6
|
Mawrth 2016
|
-11.0
|
-11.2
|
-10.3
|
-10.8
|
Ebrill 2016
|
-9.6
|
-9.3
|
-9.0
|
-10.1
|
Mai 2016
|
-8.3
|
-8.1
|
-7.8
|
-8.8
|
Mehefin 2016
|
-4.8
|
-3.8
|
-4.7
|
-6.0
|
Gorffennaf 2016
|
-6.0
|
-5.7
|
-5.8
|
-6.5
|
Awst 2016
|
-8.5
|
-8.1
|
-8.4
|
-9.0
|
Medi 2016
|
-10.7
|
-10.5
|
-10.5
|
-10.9
|
Hydref 2016
|
-9.5
|
-8.9
|
-9.8
|
-9.7
|
Tachwedd 2016
|
-8.3
|
-7.9
|
-8.9
|
-8.2
|
Rhagfyr 2016
|
-9.8
|
-9.3
|
-10.5
|
-9.5
|
Ionawr 2017
|
-10.6
|
-10.6
|
-11.0
|
-10.3
|
Chwefror 2017
|
-9.1
|
-9.2
|
-9.5
|
-8.8
|
Mawrth 2017
|
-5.8
|
-6.0
|
-6.3
|
-5.6
|
Ebrill 2017
|
-6.2
|
-6.6
|
-7.0
|
-5.5
|
Mai 2017
|
-8.2
|
-8.5
|
-9.3
|
-7.5
|
Mehefin 2017
|
-9.8
|
-10.4
|
-11.2
|
-8.9
|
Gorffennaf 2017
|
-7.7
|
-7.8
|
-9.2
|
-7.0
|
Awst 2017
|
-4.9
|
-5.5
|
-6.2
|
-3.7
|
Medi 2017
|
-1.4
|
-1.7
|
-2.5
|
-0.6
|
Hydref 2017
|
-2.7
|
-3.4
|
-3.2
|
-2.0
|
Tachwedd 2017
|
-3.0
|
-2.9
|
-3.0
|
-3.0
|
Rhagfyr 2017
|
-2.5
|
-2.5
|
-2.3
|
-2.4
|
Ionawr 2018
|
0.6
|
1.1
|
0.8
|
0.3
|
Chwefror 2018
|
-0.9
|
-0.9
|
-0.7
|
-1.1
|
Mawrth 2018
|
-2.7
|
-1.9
|
-1.9
|
-3.6
|
Ebrill 2018
|
-2.8
|
-1.8
|
-1.4
|
-3.8
|
Mai 2018
|
-2.4
|
-1.4
|
-0.8
|
-3.6
|
Mehefin 2018
|
-3.3
|
-2.3
|
-1.9
|
-4.2
|
Gorffennaf 2018
|
-5.1
|
-4.5
|
-4.0
|
-5.8
|
Awst 2018
|
-5.1
|
-4.0
|
-3.8
|
-6.1
|
Medi 2018
|
-5.2
|
-4.1
|
-3.8
|
-6.4
|
Dyddiad
|
Pob math o eiddo
|
Tai pâr
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ionawr 2014
|
1.7
|
1.8
|
1.6
|
1.7
|
Chwefror 2014
|
0.4
|
-0.1
|
0.4
|
0.6
|
Mawrth 2014
|
1.5
|
1.6
|
1.7
|
1.2
|
Ebrill 2014
|
-0.3
|
-0.2
|
-0.1
|
-0.4
|
Mai 2014
|
4.0
|
4.6
|
4.1
|
3.8
|
Mehefin 2014
|
2.0
|
2.1
|
2.0
|
2.0
|
Gorffennaf 2014
|
2.2
|
2.5
|
2.2
|
1.9
|
Awst 2014
|
-0.5
|
-0.3
|
-0.4
|
-0.6
|
Medi 2014
|
1.6
|
1.6
|
1.6
|
1.4
|
Hydref 2014
|
-0.4
|
-0.2
|
-0.6
|
-0.3
|
Tachwedd 2014
|
-0.1
|
-0.1
|
-0.2
|
-0.0
|
Rhagfyr 2014
|
-1.2
|
-1.1
|
-1.4
|
-1.1
|
Ionawr 2015
|
-0.6
|
-0.8
|
-0.5
|
-0.4
|
Chwefror 2015
|
-0.5
|
-0.3
|
-0.6
|
-0.4
|
Mawrth 2015
|
0.7
|
1.1
|
0.3
|
0.3
|
Ebrill 2015
|
-0.8
|
-1.2
|
-0.5
|
-0.3
|
Mai 2015
|
0.2
|
-0.1
|
0.4
|
0.6
|
Mehefin 2015
|
-1.7
|
-2.4
|
-1.0
|
-1.1
|
Gorffennaf 2015
|
0.6
|
0.9
|
0.4
|
0.2
|
Awst 2015
|
0.3
|
0.6
|
0.4
|
-0.3
|
Medi 2015
|
-0.5
|
-0.3
|
-0.8
|
-0.6
|
Hydref 2015
|
-1.2
|
-1.1
|
-1.1
|
-1.5
|
Tachwedd 2015
|
-1.7
|
-1.9
|
-1.7
|
-1.6
|
Rhagfyr 2015
|
-0.1
|
0.0
|
-0.1
|
-0.4
|
Ionawr 2016
|
-2.2
|
-2.0
|
-2.5
|
-2.1
|
Chwefror 2016
|
-1.9
|
-1.5
|
-1.8
|
-2.1
|
Mawrth 2016
|
-2.5
|
-2.7
|
-2.6
|
-2.1
|
Ebrill 2016
|
0.7
|
0.9
|
1.0
|
0.5
|
Mai 2016
|
1.7
|
1.2
|
1.7
|
2.1
|
Mehefin 2016
|
2.2
|
2.3
|
2.4
|
2.0
|
Gorffennaf 2016
|
-0.7
|
-1.2
|
-0.7
|
-0.4
|
Awst 2016
|
-2.4
|
-1.9
|
-2.4
|
-2.9
|
Medi 2016
|
-2.9
|
-3.0
|
-3.0
|
-2.7
|
Hydref 2016
|
0.1
|
0.7
|
-0.4
|
-0.2
|
Tachwedd 2016
|
-0.4
|
-0.8
|
-0.7
|
0.0
|
Rhagfyr 2016
|
-1.8
|
-1.6
|
-1.9
|
-1.9
|
Ionawr 2017
|
-3.1
|
-3.4
|
-2.9
|
-3.0
|
Chwefror 2017
|
-0.2
|
0.0
|
-0.2
|
-0.5
|
Mawrth 2017
|
1.1
|
0.7
|
0.9
|
1.3
|
Ebrill 2017
|
0.4
|
0.3
|
0.2
|
0.7
|
Mai 2017
|
-0.6
|
-0.8
|
-0.8
|
-0.1
|
Mehefin 2017
|
0.2
|
0.0
|
0.2
|
0.4
|
Gorffennaf 2017
|
1.6
|
1.7
|
1.6
|
1.7
|
Awst 2017
|
0.7
|
0.5
|
0.9
|
0.6
|
Medi 2017
|
0.6
|
0.9
|
0.8
|
0.4
|
Hydref 2017
|
-1.3
|
-1.0
|
-1.1
|
-1.5
|
Tachwedd 2017
|
-0.7
|
-0.2
|
-0.6
|
-1.0
|
Rhagfyr 2017
|
-1.2
|
-1.2
|
-1.1
|
-1.3
|
Ionawr 2018
|
-0.0
|
0.2
|
0.1
|
-0.3
|
Chwefror 2018
|
-1.7
|
-2.0
|
-1.6
|
-1.8
|
Mawrth 2018
|
-0.8
|
-0.2
|
-0.4
|
-1.3
|
Ebrill 2018
|
0.4
|
0.3
|
0.8
|
0.4
|
Mai 2018
|
-0.2
|
-0.3
|
-0.2
|
0.1
|
Mehefin 2018
|
-0.7
|
-0.9
|
-1.0
|
-0.2
|
Gorffennaf 2018
|
-0.2
|
-0.5
|
-0.5
|
-0.0
|
Awst 2018
|
0.7
|
1.1
|
1.0
|
0.3
|
Medi 2018
|
0.5
|
0.8
|
0.7
|
0.1
|
Dyddiad
|
Pob math o eiddo
|
Tai pâr
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ionawr 2014
|
91.8
|
91.1
|
91.6
|
92.3
|
Chwefror 2014
|
92.2
|
91.0
|
92.0
|
92.9
|
Mawrth 2014
|
93.6
|
92.5
|
93.6
|
94.0
|
Ebrill 2014
|
93.3
|
92.4
|
93.5
|
93.7
|
Mai 2014
|
97.0
|
96.6
|
97.3
|
97.2
|
Mehefin 2014
|
99.0
|
98.6
|
99.3
|
99.2
|
Gorffennaf 2014
|
101.2
|
101.0
|
101.5
|
101.1
|
Awst 2014
|
100.6
|
100.7
|
101.1
|
100.5
|
Medi 2014
|
102.2
|
102.3
|
102.7
|
101.9
|
Hydref 2014
|
101.9
|
102.1
|
102.1
|
101.6
|
Tachwedd 2014
|
101.8
|
102.0
|
101.9
|
101.6
|
Rhagfyr 2014
|
100.6
|
100.8
|
100.5
|
100.4
|
Ionawr 2015
|
100.0
|
100.0
|
100.0
|
100.0
|
Chwefror 2015
|
99.5
|
99.7
|
99.4
|
99.6
|
Mawrth 2015
|
100.2
|
100.8
|
99.7
|
99.8
|
Ebrill 2015
|
99.5
|
99.6
|
99.3
|
99.5
|
Mai 2015
|
99.7
|
99.4
|
99.6
|
100.1
|
Mehefin 2015
|
98.0
|
97.1
|
98.7
|
99.0
|
Gorffennaf 2015
|
98.6
|
98.0
|
99.1
|
99.2
|
Awst 2015
|
98.9
|
98.5
|
99.5
|
98.9
|
Medi 2015
|
98.4
|
98.2
|
98.8
|
98.3
|
Hydref 2015
|
97.2
|
97.2
|
97.7
|
96.9
|
Tachwedd 2015
|
95.5
|
95.3
|
96.0
|
95.3
|
Rhagfyr 2015
|
95.3
|
95.3
|
95.9
|
94.9
|
Ionawr 2016
|
93.2
|
93.4
|
93.5
|
92.9
|
Chwefror 2016
|
91.5
|
92.0
|
91.8
|
91.0
|
Mawrth 2016
|
89.2
|
89.4
|
89.4
|
89.0
|
Ebrill 2016
|
89.9
|
90.2
|
90.3
|
89.4
|
Mai 2016
|
91.4
|
91.4
|
91.9
|
91.3
|
Mehefin 2016
|
93.3
|
93.4
|
94.0
|
93.1
|
Gorffennaf 2016
|
92.7
|
92.4
|
93.4
|
92.8
|
Awst 2016
|
90.5
|
90.6
|
91.2
|
90.0
|
Medi 2016
|
87.9
|
87.9
|
88.4
|
87.6
|
Hydref 2016
|
88.0
|
88.5
|
88.1
|
87.5
|
Tachwedd 2016
|
87.6
|
87.8
|
87.4
|
87.5
|
Rhagfyr 2016
|
86.0
|
86.4
|
85.8
|
85.9
|
Ionawr 2017
|
83.3
|
83.5
|
83.3
|
83.3
|
Chwefror 2017
|
83.2
|
83.5
|
83.1
|
82.9
|
Mawrth 2017
|
84.0
|
84.1
|
83.8
|
84.0
|
Ebrill 2017
|
84.4
|
84.4
|
84.0
|
84.6
|
Mai 2017
|
84.0
|
83.7
|
83.4
|
84.4
|
Mehefin 2017
|
84.1
|
83.7
|
83.5
|
84.8
|
Gorffennaf 2017
|
85.5
|
85.2
|
84.8
|
86.2
|
Awst 2017
|
86.1
|
85.6
|
85.6
|
86.7
|
Medi 2017
|
86.7
|
86.4
|
86.2
|
87.1
|
Hydref 2017
|
85.6
|
85.5
|
85.3
|
85.8
|
Tachwedd 2017
|
84.9
|
85.3
|
84.8
|
84.9
|
Rhagfyr 2017
|
83.9
|
84.2
|
83.8
|
83.8
|
Ionawr 2018
|
83.8
|
84.4
|
83.9
|
83.6
|
Chwefror 2018
|
82.4
|
82.7
|
82.5
|
82.0
|
Mawrth 2018
|
81.8
|
82.5
|
82.2
|
80.9
|
Ebrill 2018
|
82.1
|
82.8
|
82.9
|
81.3
|
Mai 2018
|
81.9
|
82.6
|
82.7
|
81.4
|
Mehefin 2018
|
81.3
|
81.8
|
81.9
|
81.2
|
Gorffennaf 2018
|
81.2
|
81.3
|
81.5
|
81.2
|
Awst 2018
|
81.7
|
82.2
|
82.3
|
81.4
|
Medi 2018
|
82.2
|
82.9
|
82.9
|
81.5
|
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
|
Adeilad newydd
|
Ionawr 2014
|
286971.0
|
Chwefror 2014
|
288009.0
|
Mawrth 2014
|
291178.0
|
Ebrill 2014
|
290860.0
|
Mai 2014
|
303158.0
|
Mehefin 2014
|
308653.0
|
Gorffennaf 2014
|
314172.0
|
Awst 2014
|
309056.0
|
Medi 2014
|
311670.0
|
Hydref 2014
|
310321.0
|
Tachwedd 2014
|
311116.0
|
Rhagfyr 2014
|
309683.0
|
Ionawr 2015
|
310492.0
|
Chwefror 2015
|
311664.0
|
Mawrth 2015
|
317943.0
|
Ebrill 2015
|
312798.0
|
Mai 2015
|
309996.0
|
Mehefin 2015
|
298331.0
|
Gorffennaf 2015
|
300385.0
|
Awst 2015
|
301812.0
|
Medi 2015
|
301509.0
|
Hydref 2015
|
297954.0
|
Tachwedd 2015
|
293341.0
|
Rhagfyr 2015
|
295939.0
|
Ionawr 2016
|
290184.0
|
Chwefror 2016
|
283928.0
|
Mawrth 2016
|
271907.0
|
Ebrill 2016
|
276702.0
|
Mai 2016
|
285870.0
|
Mehefin 2016
|
296248.0
|
Gorffennaf 2016
|
291978.0
|
Awst 2016
|
282936.0
|
Medi 2016
|
273800.0
|
Hydref 2016
|
277021.0
|
Tachwedd 2016
|
277313.0
|
Rhagfyr 2016
|
273868.0
|
Ionawr 2017
|
266709.0
|
Chwefror 2017
|
267484.0
|
Mawrth 2017
|
271486.0
|
Ebrill 2017
|
270593.0
|
Mai 2017
|
267540.0
|
Mehefin 2017
|
265968.0
|
Gorffennaf 2017
|
270193.0
|
Awst 2017
|
271402.0
|
Medi 2017
|
274347.0
|
Hydref 2017
|
271300.0
|
Tachwedd 2017
|
269960.0
|
Rhagfyr 2017
|
266319.0
|
Ionawr 2018
|
268275.0
|
Chwefror 2018
|
268669.0
|
Mawrth 2018
|
268878.0
|
Ebrill 2018
|
269910.0
|
Mai 2018
|
264715.0
|
Mehefin 2018
|
261284.0
|
Gorffennaf 2018
|
259398.0
|
Awst 2018
|
263120.0
|
Medi 2018
|
265059.0
|
Dyddiad
|
Adeilad newydd
|
Ionawr 2014
|
14.4
|
Chwefror 2014
|
18.8
|
Mawrth 2014
|
17.4
|
Ebrill 2014
|
13.9
|
Mai 2014
|
13.3
|
Mehefin 2014
|
15.3
|
Gorffennaf 2014
|
17.3
|
Awst 2014
|
15.1
|
Medi 2014
|
14.3
|
Hydref 2014
|
10.1
|
Tachwedd 2014
|
9.0
|
Rhagfyr 2014
|
9.2
|
Ionawr 2015
|
8.2
|
Chwefror 2015
|
8.2
|
Mawrth 2015
|
9.2
|
Ebrill 2015
|
7.5
|
Mai 2015
|
2.3
|
Mehefin 2015
|
-3.3
|
Gorffennaf 2015
|
-4.4
|
Awst 2015
|
-2.3
|
Medi 2015
|
-3.3
|
Hydref 2015
|
-4.0
|
Tachwedd 2015
|
-5.7
|
Rhagfyr 2015
|
-4.4
|
Ionawr 2016
|
-6.5
|
Chwefror 2016
|
-8.9
|
Mawrth 2016
|
-14.5
|
Ebrill 2016
|
-11.5
|
Mai 2016
|
-7.8
|
Mehefin 2016
|
-0.7
|
Gorffennaf 2016
|
-2.8
|
Awst 2016
|
-6.2
|
Medi 2016
|
-9.2
|
Hydref 2016
|
-7.0
|
Tachwedd 2016
|
-5.5
|
Rhagfyr 2016
|
-7.5
|
Ionawr 2017
|
-8.1
|
Chwefror 2017
|
-5.8
|
Mawrth 2017
|
-0.2
|
Ebrill 2017
|
-5.2
|
Mai 2017
|
-8.2
|
Mehefin 2017
|
-10.2
|
Gorffennaf 2017
|
-7.5
|
Awst 2017
|
-4.1
|
Medi 2017
|
0.2
|
Hydref 2017
|
-2.1
|
Tachwedd 2017
|
-2.6
|
Rhagfyr 2017
|
-2.8
|
Ionawr 2018
|
0.6
|
Chwefror 2018
|
0.4
|
Mawrth 2018
|
-1.0
|
Ebrill 2018
|
-0.2
|
Mai 2018
|
-1.1
|
Mehefin 2018
|
-1.8
|
Gorffennaf 2018
|
-4.0
|
Awst 2018
|
-3.0
|
Medi 2018
|
-3.4
|
Dyddiad
|
Adeilad newydd
|
Ionawr 2014
|
1.2
|
Chwefror 2014
|
0.4
|
Mawrth 2014
|
1.1
|
Ebrill 2014
|
-0.1
|
Mai 2014
|
4.2
|
Mehefin 2014
|
1.8
|
Gorffennaf 2014
|
1.8
|
Awst 2014
|
-1.6
|
Medi 2014
|
0.8
|
Hydref 2014
|
-0.4
|
Tachwedd 2014
|
0.3
|
Rhagfyr 2014
|
-0.5
|
Ionawr 2015
|
0.3
|
Chwefror 2015
|
0.4
|
Mawrth 2015
|
2.0
|
Ebrill 2015
|
-1.6
|
Mai 2015
|
-0.9
|
Mehefin 2015
|
-3.8
|
Gorffennaf 2015
|
0.7
|
Awst 2015
|
0.5
|
Medi 2015
|
-0.1
|
Hydref 2015
|
-1.2
|
Tachwedd 2015
|
-1.6
|
Rhagfyr 2015
|
0.9
|
Ionawr 2016
|
-1.9
|
Chwefror 2016
|
-2.2
|
Mawrth 2016
|
-4.2
|
Ebrill 2016
|
1.8
|
Mai 2016
|
3.3
|
Mehefin 2016
|
3.6
|
Gorffennaf 2016
|
-1.4
|
Awst 2016
|
-3.1
|
Medi 2016
|
-3.2
|
Hydref 2016
|
1.2
|
Tachwedd 2016
|
0.1
|
Rhagfyr 2016
|
-1.2
|
Ionawr 2017
|
-2.6
|
Chwefror 2017
|
0.3
|
Mawrth 2017
|
1.5
|
Ebrill 2017
|
-0.3
|
Mai 2017
|
-1.1
|
Mehefin 2017
|
-0.6
|
Gorffennaf 2017
|
1.6
|
Awst 2017
|
0.4
|
Medi 2017
|
1.1
|
Hydref 2017
|
-1.1
|
Tachwedd 2017
|
-0.5
|
Rhagfyr 2017
|
-1.4
|
Ionawr 2018
|
0.7
|
Chwefror 2018
|
0.2
|
Mawrth 2018
|
0.1
|
Ebrill 2018
|
0.4
|
Mai 2018
|
-1.9
|
Mehefin 2018
|
-1.3
|
Gorffennaf 2018
|
-0.7
|
Awst 2018
|
1.4
|
Medi 2018
|
0.7
|
Dyddiad
|
Adeilad newydd
|
Ionawr 2014
|
92.4
|
Chwefror 2014
|
92.8
|
Mawrth 2014
|
93.8
|
Ebrill 2014
|
93.7
|
Mai 2014
|
97.6
|
Mehefin 2014
|
99.4
|
Gorffennaf 2014
|
101.2
|
Awst 2014
|
99.5
|
Medi 2014
|
100.4
|
Hydref 2014
|
99.9
|
Tachwedd 2014
|
100.2
|
Rhagfyr 2014
|
99.7
|
Ionawr 2015
|
100.0
|
Chwefror 2015
|
100.4
|
Mawrth 2015
|
102.4
|
Ebrill 2015
|
100.7
|
Mai 2015
|
99.8
|
Mehefin 2015
|
96.1
|
Gorffennaf 2015
|
96.7
|
Awst 2015
|
97.2
|
Medi 2015
|
97.1
|
Hydref 2015
|
96.0
|
Tachwedd 2015
|
94.5
|
Rhagfyr 2015
|
95.3
|
Ionawr 2016
|
93.5
|
Chwefror 2016
|
91.4
|
Mawrth 2016
|
87.6
|
Ebrill 2016
|
89.1
|
Mai 2016
|
92.1
|
Mehefin 2016
|
95.4
|
Gorffennaf 2016
|
94.0
|
Awst 2016
|
91.1
|
Medi 2016
|
88.2
|
Hydref 2016
|
89.2
|
Tachwedd 2016
|
89.3
|
Rhagfyr 2016
|
88.2
|
Ionawr 2017
|
85.9
|
Chwefror 2017
|
86.2
|
Mawrth 2017
|
87.4
|
Ebrill 2017
|
87.2
|
Mai 2017
|
86.2
|
Mehefin 2017
|
85.7
|
Gorffennaf 2017
|
87.0
|
Awst 2017
|
87.4
|
Medi 2017
|
88.4
|
Hydref 2017
|
87.4
|
Tachwedd 2017
|
87.0
|
Rhagfyr 2017
|
85.8
|
Ionawr 2018
|
86.4
|
Chwefror 2018
|
86.5
|
Mawrth 2018
|
86.6
|
Ebrill 2018
|
86.9
|
Mai 2018
|
85.3
|
Mehefin 2018
|
84.2
|
Gorffennaf 2018
|
83.5
|
Awst 2018
|
84.7
|
Medi 2018
|
85.4
|