Cysylltau cyflym:
yn ôl math o eiddo
yn ôl statws y prynwr
yn ôl statws cyllido
yn ôl statws yr eiddo
Ystadegau Prisiau Tai
Math o eiddo
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol ar gyfer pob math o eiddo neu ganolbwyntio ar un penodol.
Dyddiad
|
Pob math o eiddo
|
Tai teras
|
Mai 2006
|
116814.0
|
85031.0
|
Mehefin 2006
|
117188.0
|
85523.0
|
Gorffennaf 2006
|
117318.0
|
85800.0
|
Awst 2006
|
117011.0
|
85785.0
|
Medi 2006
|
118221.0
|
86664.0
|
Hydref 2006
|
120725.0
|
88406.0
|
Tachwedd 2006
|
120752.0
|
88468.0
|
Rhagfyr 2006
|
123022.0
|
90344.0
|
Ionawr 2007
|
124331.0
|
91425.0
|
Chwefror 2007
|
126340.0
|
92852.0
|
Mawrth 2007
|
125415.0
|
92207.0
|
Ebrill 2007
|
124649.0
|
91790.0
|
Mai 2007
|
123259.0
|
90985.0
|
Mehefin 2007
|
124762.0
|
92199.0
|
Gorffennaf 2007
|
124904.0
|
92309.0
|
Awst 2007
|
128537.0
|
95098.0
|
Medi 2007
|
127129.0
|
94017.0
|
Hydref 2007
|
126399.0
|
93402.0
|
Tachwedd 2007
|
126626.0
|
93363.0
|
Rhagfyr 2007
|
127213.0
|
93806.0
|
Ionawr 2008
|
129963.0
|
95894.0
|
Chwefror 2008
|
125667.0
|
92760.0
|
Mawrth 2008
|
123745.0
|
91202.0
|
Ebrill 2008
|
120896.0
|
89134.0
|
Mai 2008
|
124326.0
|
91674.0
|
Mehefin 2008
|
123812.0
|
91390.0
|
Gorffennaf 2008
|
119556.0
|
88080.0
|
Awst 2008
|
114725.0
|
84604.0
|
Medi 2008
|
114004.0
|
83944.0
|
Hydref 2008
|
114473.0
|
84257.0
|
Tachwedd 2008
|
118520.0
|
87073.0
|
Rhagfyr 2008
|
122350.0
|
90058.0
|
Ionawr 2009
|
124910.0
|
91801.0
|
Chwefror 2009
|
120848.0
|
88628.0
|
Mawrth 2009
|
118605.0
|
86652.0
|
Ebrill 2009
|
116500.0
|
85168.0
|
Mai 2009
|
116058.0
|
84926.0
|
Mehefin 2009
|
115587.0
|
84697.0
|
Gorffennaf 2009
|
115350.0
|
84623.0
|
Awst 2009
|
115597.0
|
84947.0
|
Medi 2009
|
113604.0
|
83457.0
|
Hydref 2009
|
113850.0
|
83523.0
|
Tachwedd 2009
|
114579.0
|
84148.0
|
Rhagfyr 2009
|
115741.0
|
85324.0
|
Ionawr 2010
|
113339.0
|
83537.0
|
Chwefror 2010
|
111695.0
|
82080.0
|
Mawrth 2010
|
109657.0
|
80076.0
|
Ebrill 2010
|
110955.0
|
80983.0
|
Mai 2010
|
110183.0
|
80333.0
|
Mehefin 2010
|
111081.0
|
81158.0
|
Gorffennaf 2010
|
110868.0
|
81002.0
|
Awst 2010
|
114162.0
|
83320.0
|
Medi 2010
|
113754.0
|
82886.0
|
Hydref 2010
|
115535.0
|
84047.0
|
Tachwedd 2010
|
112212.0
|
81548.0
|
Rhagfyr 2010
|
110343.0
|
80084.0
|
Ionawr 2011
|
106105.0
|
76898.0
|
Chwefror 2011
|
106605.0
|
77314.0
|
Mawrth 2011
|
105259.0
|
76192.0
|
Ebrill 2011
|
107965.0
|
78261.0
|
Mai 2011
|
108030.0
|
78209.0
|
Mehefin 2011
|
109415.0
|
79379.0
|
Gorffennaf 2011
|
107613.0
|
78103.0
|
Awst 2011
|
105624.0
|
76674.0
|
Medi 2011
|
106253.0
|
77191.0
|
Hydref 2011
|
106780.0
|
77397.0
|
Tachwedd 2011
|
107891.0
|
78052.0
|
Rhagfyr 2011
|
108669.0
|
78502.0
|
Ionawr 2012
|
107446.0
|
77662.0
|
Chwefror 2012
|
105045.0
|
76174.0
|
Mawrth 2012
|
104835.0
|
76212.0
|
Ebrill 2012
|
108371.0
|
78758.0
|
Mai 2012
|
111181.0
|
80800.0
|
Mehefin 2012
|
112831.0
|
82140.0
|
Gorffennaf 2012
|
111116.0
|
81047.0
|
Awst 2012
|
112140.0
|
81940.0
|
Medi 2012
|
111163.0
|
81109.0
|
Hydref 2012
|
112070.0
|
81680.0
|
Tachwedd 2012
|
111729.0
|
81353.0
|
Rhagfyr 2012
|
107589.0
|
78220.0
|
Ionawr 2013
|
103175.0
|
74896.0
|
Chwefror 2013
|
99879.0
|
72493.0
|
Mawrth 2013
|
101609.0
|
73665.0
|
Ebrill 2013
|
103706.0
|
75315.0
|
Mai 2013
|
105867.0
|
76830.0
|
Mehefin 2013
|
105152.0
|
76515.0
|
Gorffennaf 2013
|
107506.0
|
78345.0
|
Awst 2013
|
109017.0
|
79506.0
|
Medi 2013
|
110226.0
|
80209.0
|
Hydref 2013
|
105913.0
|
76825.0
|
Tachwedd 2013
|
103536.0
|
74951.0
|
Rhagfyr 2013
|
103951.0
|
75307.0
|
Ionawr 2014
|
104234.0
|
75681.0
|
Chwefror 2014
|
100956.0
|
73429.0
|
Mawrth 2014
|
100143.0
|
72808.0
|
Ebrill 2014
|
102147.0
|
74406.0
|
Mai 2014
|
107549.0
|
78389.0
|
Mehefin 2014
|
109472.0
|
79963.0
|
Gorffennaf 2014
|
111707.0
|
81678.0
|
Awst 2014
|
111496.0
|
81609.0
|
Medi 2014
|
112691.0
|
82499.0
|
Hydref 2014
|
112300.0
|
82049.0
|
Tachwedd 2014
|
111338.0
|
81171.0
|
Rhagfyr 2014
|
110218.0
|
80194.0
|
Ionawr 2015
|
107847.0
|
78388.0
|
Chwefror 2015
|
107113.0
|
77882.0
|
Mawrth 2015
|
105225.0
|
76307.0
|
Ebrill 2015
|
106215.0
|
77051.0
|
Mai 2015
|
109795.0
|
79637.0
|
Mehefin 2015
|
112098.0
|
81655.0
|
Gorffennaf 2015
|
112462.0
|
81975.0
|
Awst 2015
|
109174.0
|
79671.0
|
Medi 2015
|
107653.0
|
78358.0
|
Hydref 2015
|
108029.0
|
78536.0
|
Tachwedd 2015
|
110352.0
|
80060.0
|
Rhagfyr 2015
|
111961.0
|
81141.0
|
Ionawr 2016
|
112533.0
|
81539.0
|
Chwefror 2016
|
110382.0
|
80065.0
|
Mawrth 2016
|
108810.0
|
79057.0
|
Ebrill 2016
|
111268.0
|
80812.0
|
Mai 2016
|
113202.0
|
82197.0
|
Mehefin 2016
|
115277.0
|
83646.0
|
Gorffennaf 2016
|
114403.0
|
83169.0
|
Awst 2016
|
112515.0
|
81731.0
|
Medi 2016
|
107866.0
|
78253.0
|
Hydref 2016
|
107027.0
|
77222.0
|
Tachwedd 2016
|
107714.0
|
77414.0
|
Rhagfyr 2016
|
112252.0
|
80570.0
|
Ionawr 2017
|
109752.0
|
78724.0
|
Chwefror 2017
|
111719.0
|
80304.0
|
Mawrth 2017
|
109670.0
|
78694.0
|
Ebrill 2017
|
111784.0
|
80347.0
|
Mai 2017
|
110405.0
|
79331.0
|
Mehefin 2017
|
109877.0
|
79187.0
|
Gorffennaf 2017
|
110106.0
|
79506.0
|
Awst 2017
|
109897.0
|
79526.0
|
Medi 2017
|
111839.0
|
80877.0
|
Hydref 2017
|
113190.0
|
81602.0
|
Tachwedd 2017
|
114120.0
|
82077.0
|
Rhagfyr 2017
|
115302.0
|
82973.0
|
Ionawr 2018
|
112921.0
|
81176.0
|
Chwefror 2018
|
112353.0
|
80583.0
|
Mawrth 2018
|
108542.0
|
77788.0
|
Ebrill 2018
|
108051.0
|
77609.0
|
Mai 2018
|
107748.0
|
77683.0
|
Mehefin 2018
|
111933.0
|
80621.0
|
Gorffennaf 2018
|
113484.0
|
81719.0
|
Awst 2018
|
112626.0
|
81020.0
|
Medi 2018
|
109547.0
|
78866.0
|
Hydref 2018
|
109755.0
|
78966.0
|
Tachwedd 2018
|
110045.0
|
79134.0
|
Rhagfyr 2018
|
112365.0
|
80770.0
|
Ionawr 2019
|
110674.0
|
79337.0
|
Chwefror 2019
|
110773.0
|
79243.0
|
Mawrth 2019
|
108364.0
|
77293.0
|
Ebrill 2019
|
110159.0
|
78764.0
|
Mai 2019
|
112798.0
|
80820.0
|
Mehefin 2019
|
112888.0
|
81124.0
|
Gorffennaf 2019
|
114238.0
|
82220.0
|
Awst 2019
|
114859.0
|
82849.0
|
Medi 2019
|
116974.0
|
84438.0
|
Hydref 2019
|
115099.0
|
82926.0
|
Tachwedd 2019
|
112955.0
|
81206.0
|
Rhagfyr 2019
|
112958.0
|
81262.0
|
Ionawr 2020
|
114013.0
|
81896.0
|
Chwefror 2020
|
112362.0
|
80783.0
|
Mawrth 2020
|
111932.0
|
80261.0
|
Dyddiad
|
Pob math o eiddo
|
Tai teras
|
Mai 2006
|
20.7
|
22.6
|
Mehefin 2006
|
16.6
|
18.2
|
Gorffennaf 2006
|
12.6
|
14.3
|
Awst 2006
|
12.9
|
14.6
|
Medi 2006
|
12.9
|
14.5
|
Hydref 2006
|
16.9
|
18.3
|
Tachwedd 2006
|
14.5
|
15.9
|
Rhagfyr 2006
|
16.1
|
17.6
|
Ionawr 2007
|
14.9
|
16.4
|
Chwefror 2007
|
19.4
|
20.6
|
Mawrth 2007
|
16.1
|
17.4
|
Ebrill 2007
|
13.0
|
14.3
|
Mai 2007
|
5.5
|
7.0
|
Mehefin 2007
|
6.5
|
7.8
|
Gorffennaf 2007
|
6.5
|
7.6
|
Awst 2007
|
9.8
|
10.9
|
Medi 2007
|
7.5
|
8.5
|
Hydref 2007
|
4.7
|
5.6
|
Tachwedd 2007
|
4.9
|
5.5
|
Rhagfyr 2007
|
3.4
|
3.8
|
Ionawr 2008
|
4.5
|
4.9
|
Chwefror 2008
|
-0.5
|
-0.1
|
Mawrth 2008
|
-1.3
|
-1.1
|
Ebrill 2008
|
-3.0
|
-2.9
|
Mai 2008
|
0.9
|
0.8
|
Mehefin 2008
|
-0.8
|
-0.9
|
Gorffennaf 2008
|
-4.3
|
-4.6
|
Awst 2008
|
-10.8
|
-11.0
|
Medi 2008
|
-10.3
|
-10.7
|
Hydref 2008
|
-9.4
|
-9.8
|
Tachwedd 2008
|
-6.4
|
-6.7
|
Rhagfyr 2008
|
-3.8
|
-4.0
|
Ionawr 2009
|
-3.9
|
-4.3
|
Chwefror 2009
|
-3.8
|
-4.4
|
Mawrth 2009
|
-4.2
|
-5.0
|
Ebrill 2009
|
-3.6
|
-4.4
|
Mai 2009
|
-6.6
|
-7.4
|
Mehefin 2009
|
-6.6
|
-7.3
|
Gorffennaf 2009
|
-3.5
|
-3.9
|
Awst 2009
|
0.8
|
0.4
|
Medi 2009
|
-0.4
|
-0.6
|
Hydref 2009
|
-0.5
|
-0.9
|
Tachwedd 2009
|
-3.3
|
-3.4
|
Rhagfyr 2009
|
-5.4
|
-5.3
|
Ionawr 2010
|
-9.3
|
-9.0
|
Chwefror 2010
|
-7.6
|
-7.4
|
Mawrth 2010
|
-7.5
|
-7.6
|
Ebrill 2010
|
-4.8
|
-4.9
|
Mai 2010
|
-5.1
|
-5.4
|
Mehefin 2010
|
-3.9
|
-4.2
|
Gorffennaf 2010
|
-3.9
|
-4.3
|
Awst 2010
|
-1.2
|
-1.9
|
Medi 2010
|
0.1
|
-0.7
|
Hydref 2010
|
1.5
|
0.6
|
Tachwedd 2010
|
-2.1
|
-3.1
|
Rhagfyr 2010
|
-4.7
|
-6.1
|
Ionawr 2011
|
-6.4
|
-8.0
|
Chwefror 2011
|
-4.6
|
-5.8
|
Mawrth 2011
|
-4.0
|
-4.8
|
Ebrill 2011
|
-2.7
|
-3.4
|
Mai 2011
|
-2.0
|
-2.6
|
Mehefin 2011
|
-1.5
|
-2.2
|
Gorffennaf 2011
|
-2.9
|
-3.6
|
Awst 2011
|
-7.5
|
-8.0
|
Medi 2011
|
-6.6
|
-6.9
|
Hydref 2011
|
-7.6
|
-7.9
|
Tachwedd 2011
|
-3.8
|
-4.3
|
Rhagfyr 2011
|
-1.5
|
-2.0
|
Ionawr 2012
|
1.3
|
1.0
|
Chwefror 2012
|
-1.5
|
-1.5
|
Mawrth 2012
|
-0.4
|
0.0
|
Ebrill 2012
|
0.4
|
0.6
|
Mai 2012
|
2.9
|
3.3
|
Mehefin 2012
|
3.1
|
3.5
|
Gorffennaf 2012
|
3.3
|
3.8
|
Awst 2012
|
6.2
|
6.9
|
Medi 2012
|
4.6
|
5.1
|
Hydref 2012
|
5.0
|
5.5
|
Tachwedd 2012
|
3.6
|
4.2
|
Rhagfyr 2012
|
-1.0
|
-0.4
|
Ionawr 2013
|
-4.0
|
-3.6
|
Chwefror 2013
|
-4.9
|
-4.8
|
Mawrth 2013
|
-3.1
|
-3.3
|
Ebrill 2013
|
-4.3
|
-4.4
|
Mai 2013
|
-4.8
|
-4.9
|
Mehefin 2013
|
-6.8
|
-6.8
|
Gorffennaf 2013
|
-3.2
|
-3.3
|
Awst 2013
|
-2.8
|
-3.0
|
Medi 2013
|
-0.8
|
-1.1
|
Hydref 2013
|
-5.5
|
-5.9
|
Tachwedd 2013
|
-7.3
|
-7.9
|
Rhagfyr 2013
|
-3.4
|
-3.7
|
Ionawr 2014
|
1.0
|
1.0
|
Chwefror 2014
|
1.1
|
1.3
|
Mawrth 2014
|
-1.4
|
-1.2
|
Ebrill 2014
|
-1.5
|
-1.2
|
Mai 2014
|
1.6
|
2.0
|
Mehefin 2014
|
4.1
|
4.5
|
Gorffennaf 2014
|
3.9
|
4.3
|
Awst 2014
|
2.3
|
2.6
|
Medi 2014
|
2.2
|
2.9
|
Hydref 2014
|
6.0
|
6.8
|
Tachwedd 2014
|
7.5
|
8.3
|
Rhagfyr 2014
|
6.0
|
6.5
|
Ionawr 2015
|
3.5
|
3.6
|
Chwefror 2015
|
6.1
|
6.1
|
Mawrth 2015
|
5.1
|
4.8
|
Ebrill 2015
|
4.0
|
3.6
|
Mai 2015
|
2.1
|
1.6
|
Mehefin 2015
|
2.4
|
2.1
|
Gorffennaf 2015
|
0.7
|
0.4
|
Awst 2015
|
-2.1
|
-2.4
|
Medi 2015
|
-4.5
|
-5.0
|
Hydref 2015
|
-3.8
|
-4.3
|
Tachwedd 2015
|
-0.9
|
-1.4
|
Rhagfyr 2015
|
1.6
|
1.2
|
Ionawr 2016
|
4.4
|
4.0
|
Chwefror 2016
|
3.0
|
2.8
|
Mawrth 2016
|
3.4
|
3.6
|
Ebrill 2016
|
4.8
|
4.9
|
Mai 2016
|
3.1
|
3.2
|
Mehefin 2016
|
2.8
|
2.4
|
Gorffennaf 2016
|
1.7
|
1.5
|
Awst 2016
|
3.1
|
2.6
|
Medi 2016
|
0.2
|
-0.1
|
Hydref 2016
|
-0.9
|
-1.7
|
Tachwedd 2016
|
-2.4
|
-3.3
|
Rhagfyr 2016
|
0.3
|
-0.7
|
Ionawr 2017
|
-2.5
|
-3.4
|
Chwefror 2017
|
1.2
|
0.3
|
Mawrth 2017
|
0.8
|
-0.5
|
Ebrill 2017
|
-0.8
|
-1.8
|
Mai 2017
|
-3.2
|
-4.1
|
Mehefin 2017
|
-4.7
|
-5.3
|
Gorffennaf 2017
|
-3.8
|
-4.4
|
Awst 2017
|
-2.3
|
-2.7
|
Medi 2017
|
3.7
|
3.4
|
Hydref 2017
|
5.8
|
5.7
|
Tachwedd 2017
|
6.0
|
6.0
|
Rhagfyr 2017
|
2.7
|
3.0
|
Ionawr 2018
|
2.9
|
3.1
|
Chwefror 2018
|
0.6
|
0.4
|
Mawrth 2018
|
-1.0
|
-1.2
|
Ebrill 2018
|
-3.3
|
-3.4
|
Mai 2018
|
-2.4
|
-2.1
|
Mehefin 2018
|
1.9
|
1.8
|
Gorffennaf 2018
|
3.1
|
2.8
|
Awst 2018
|
2.5
|
1.9
|
Medi 2018
|
-2.0
|
-2.5
|
Hydref 2018
|
-3.0
|
-3.2
|
Tachwedd 2018
|
-3.6
|
-3.6
|
Rhagfyr 2018
|
-2.6
|
-2.6
|
Ionawr 2019
|
-2.0
|
-2.3
|
Chwefror 2019
|
-1.4
|
-1.7
|
Mawrth 2019
|
-0.2
|
-0.6
|
Ebrill 2019
|
2.0
|
1.5
|
Mai 2019
|
4.7
|
4.0
|
Mehefin 2019
|
0.8
|
0.6
|
Gorffennaf 2019
|
0.7
|
0.6
|
Awst 2019
|
2.0
|
2.3
|
Medi 2019
|
6.8
|
7.1
|
Hydref 2019
|
4.9
|
5.0
|
Tachwedd 2019
|
2.6
|
2.6
|
Rhagfyr 2019
|
0.5
|
0.6
|
Ionawr 2020
|
3.0
|
3.2
|
Chwefror 2020
|
1.4
|
1.9
|
Mawrth 2020
|
3.3
|
3.8
|
Dyddiad
|
Pob math o eiddo
|
Tai teras
|
Mai 2006
|
5.9
|
5.9
|
Mehefin 2006
|
0.3
|
0.6
|
Gorffennaf 2006
|
0.1
|
0.3
|
Awst 2006
|
-0.3
|
-0.0
|
Medi 2006
|
1.0
|
1.0
|
Hydref 2006
|
2.1
|
2.0
|
Tachwedd 2006
|
0.0
|
0.1
|
Rhagfyr 2006
|
1.9
|
2.1
|
Ionawr 2007
|
1.1
|
1.2
|
Chwefror 2007
|
1.6
|
1.6
|
Mawrth 2007
|
-0.7
|
-0.7
|
Ebrill 2007
|
-0.6
|
-0.4
|
Mai 2007
|
-1.1
|
-0.9
|
Mehefin 2007
|
1.2
|
1.3
|
Gorffennaf 2007
|
0.1
|
0.1
|
Awst 2007
|
2.9
|
3.0
|
Medi 2007
|
-1.1
|
-1.1
|
Hydref 2007
|
-0.6
|
-0.6
|
Tachwedd 2007
|
0.2
|
-0.0
|
Rhagfyr 2007
|
0.5
|
0.5
|
Ionawr 2008
|
2.2
|
2.2
|
Chwefror 2008
|
-3.3
|
-3.3
|
Mawrth 2008
|
-1.5
|
-1.7
|
Ebrill 2008
|
-2.3
|
-2.3
|
Mai 2008
|
2.8
|
2.8
|
Mehefin 2008
|
-0.4
|
-0.3
|
Gorffennaf 2008
|
-3.4
|
-3.6
|
Awst 2008
|
-4.0
|
-4.0
|
Medi 2008
|
-0.6
|
-0.8
|
Hydref 2008
|
0.4
|
0.4
|
Tachwedd 2008
|
3.5
|
3.3
|
Rhagfyr 2008
|
3.2
|
3.4
|
Ionawr 2009
|
2.1
|
1.9
|
Chwefror 2009
|
-3.2
|
-3.5
|
Mawrth 2009
|
-1.9
|
-2.2
|
Ebrill 2009
|
-1.8
|
-1.7
|
Mai 2009
|
-0.4
|
-0.3
|
Mehefin 2009
|
-0.4
|
-0.3
|
Gorffennaf 2009
|
-0.2
|
-0.1
|
Awst 2009
|
0.2
|
0.4
|
Medi 2009
|
-1.7
|
-1.8
|
Hydref 2009
|
0.2
|
0.1
|
Tachwedd 2009
|
0.6
|
0.8
|
Rhagfyr 2009
|
1.0
|
1.4
|
Ionawr 2010
|
-2.1
|
-2.1
|
Chwefror 2010
|
-1.4
|
-1.7
|
Mawrth 2010
|
-1.8
|
-2.4
|
Ebrill 2010
|
1.2
|
1.1
|
Mai 2010
|
-0.7
|
-0.8
|
Mehefin 2010
|
0.8
|
1.0
|
Gorffennaf 2010
|
-0.2
|
-0.2
|
Awst 2010
|
3.0
|
2.9
|
Medi 2010
|
-0.4
|
-0.5
|
Hydref 2010
|
1.6
|
1.4
|
Tachwedd 2010
|
-2.9
|
-3.0
|
Rhagfyr 2010
|
-1.7
|
-1.8
|
Ionawr 2011
|
-3.8
|
-4.0
|
Chwefror 2011
|
0.5
|
0.5
|
Mawrth 2011
|
-1.3
|
-1.4
|
Ebrill 2011
|
2.6
|
2.7
|
Mai 2011
|
0.1
|
-0.1
|
Mehefin 2011
|
1.3
|
1.5
|
Gorffennaf 2011
|
-1.6
|
-1.6
|
Awst 2011
|
-1.8
|
-1.8
|
Medi 2011
|
0.6
|
0.7
|
Hydref 2011
|
0.5
|
0.3
|
Tachwedd 2011
|
1.0
|
0.8
|
Rhagfyr 2011
|
0.7
|
0.6
|
Ionawr 2012
|
-1.1
|
-1.1
|
Chwefror 2012
|
-2.2
|
-1.9
|
Mawrth 2012
|
-0.2
|
0.1
|
Ebrill 2012
|
3.4
|
3.3
|
Mai 2012
|
2.6
|
2.6
|
Mehefin 2012
|
1.5
|
1.7
|
Gorffennaf 2012
|
-1.5
|
-1.3
|
Awst 2012
|
0.9
|
1.1
|
Medi 2012
|
-0.9
|
-1.0
|
Hydref 2012
|
0.8
|
0.7
|
Tachwedd 2012
|
-0.3
|
-0.4
|
Rhagfyr 2012
|
-3.7
|
-3.8
|
Ionawr 2013
|
-4.1
|
-4.2
|
Chwefror 2013
|
-3.2
|
-3.2
|
Mawrth 2013
|
1.7
|
1.6
|
Ebrill 2013
|
2.1
|
2.2
|
Mai 2013
|
2.1
|
2.0
|
Mehefin 2013
|
-0.7
|
-0.4
|
Gorffennaf 2013
|
2.2
|
2.4
|
Awst 2013
|
1.4
|
1.5
|
Medi 2013
|
1.1
|
0.9
|
Hydref 2013
|
-3.9
|
-4.2
|
Tachwedd 2013
|
-2.2
|
-2.4
|
Rhagfyr 2013
|
0.4
|
0.5
|
Ionawr 2014
|
0.3
|
0.5
|
Chwefror 2014
|
-3.1
|
-3.0
|
Mawrth 2014
|
-0.8
|
-0.8
|
Ebrill 2014
|
2.0
|
2.2
|
Mai 2014
|
5.3
|
5.4
|
Mehefin 2014
|
1.8
|
2.0
|
Gorffennaf 2014
|
2.0
|
2.2
|
Awst 2014
|
-0.2
|
-0.1
|
Medi 2014
|
1.1
|
1.1
|
Hydref 2014
|
-0.4
|
-0.6
|
Tachwedd 2014
|
-0.9
|
-1.1
|
Rhagfyr 2014
|
-1.0
|
-1.2
|
Ionawr 2015
|
-2.2
|
-2.2
|
Chwefror 2015
|
-0.7
|
-0.6
|
Mawrth 2015
|
-1.8
|
-2.0
|
Ebrill 2015
|
0.9
|
1.0
|
Mai 2015
|
3.4
|
3.4
|
Mehefin 2015
|
2.1
|
2.5
|
Gorffennaf 2015
|
0.3
|
0.4
|
Awst 2015
|
-2.9
|
-2.8
|
Medi 2015
|
-1.4
|
-1.6
|
Hydref 2015
|
0.4
|
0.2
|
Tachwedd 2015
|
2.2
|
1.9
|
Rhagfyr 2015
|
1.5
|
1.4
|
Ionawr 2016
|
0.5
|
0.5
|
Chwefror 2016
|
-1.9
|
-1.8
|
Mawrth 2016
|
-1.4
|
-1.3
|
Ebrill 2016
|
2.3
|
2.2
|
Mai 2016
|
1.7
|
1.7
|
Mehefin 2016
|
1.8
|
1.8
|
Gorffennaf 2016
|
-0.8
|
-0.6
|
Awst 2016
|
-1.6
|
-1.7
|
Medi 2016
|
-4.1
|
-4.3
|
Hydref 2016
|
-0.8
|
-1.3
|
Tachwedd 2016
|
0.6
|
0.2
|
Rhagfyr 2016
|
4.2
|
4.1
|
Ionawr 2017
|
-2.2
|
-2.3
|
Chwefror 2017
|
1.8
|
2.0
|
Mawrth 2017
|
-1.8
|
-2.0
|
Ebrill 2017
|
1.9
|
2.1
|
Mai 2017
|
-1.2
|
-1.3
|
Mehefin 2017
|
-0.5
|
-0.2
|
Gorffennaf 2017
|
0.2
|
0.4
|
Awst 2017
|
-0.2
|
0.0
|
Medi 2017
|
1.8
|
1.7
|
Hydref 2017
|
1.2
|
0.9
|
Tachwedd 2017
|
0.8
|
0.6
|
Rhagfyr 2017
|
1.0
|
1.1
|
Ionawr 2018
|
-2.1
|
-2.2
|
Chwefror 2018
|
-0.5
|
-0.7
|
Mawrth 2018
|
-3.4
|
-3.5
|
Ebrill 2018
|
-0.4
|
-0.2
|
Mai 2018
|
-0.3
|
0.1
|
Mehefin 2018
|
3.9
|
3.8
|
Gorffennaf 2018
|
1.4
|
1.4
|
Awst 2018
|
-0.8
|
-0.9
|
Medi 2018
|
-2.7
|
-2.7
|
Hydref 2018
|
0.2
|
0.1
|
Tachwedd 2018
|
0.3
|
0.2
|
Rhagfyr 2018
|
2.1
|
2.1
|
Ionawr 2019
|
-1.5
|
-1.8
|
Chwefror 2019
|
0.1
|
-0.1
|
Mawrth 2019
|
-2.2
|
-2.5
|
Ebrill 2019
|
1.7
|
1.9
|
Mai 2019
|
2.4
|
2.6
|
Mehefin 2019
|
0.1
|
0.4
|
Gorffennaf 2019
|
1.2
|
1.4
|
Awst 2019
|
0.5
|
0.8
|
Medi 2019
|
1.8
|
1.9
|
Hydref 2019
|
-1.6
|
-1.8
|
Tachwedd 2019
|
-1.9
|
-2.1
|
Rhagfyr 2019
|
0.0
|
0.1
|
Ionawr 2020
|
0.9
|
0.8
|
Chwefror 2020
|
-1.4
|
-1.4
|
Mawrth 2020
|
-0.4
|
-0.6
|
Dyddiad
|
Pob math o eiddo
|
Tai teras
|
Mai 2006
|
108.3
|
108.5
|
Mehefin 2006
|
108.7
|
109.1
|
Gorffennaf 2006
|
108.8
|
109.5
|
Awst 2006
|
108.5
|
109.4
|
Medi 2006
|
109.6
|
110.6
|
Hydref 2006
|
111.9
|
112.8
|
Tachwedd 2006
|
112.0
|
112.9
|
Rhagfyr 2006
|
114.1
|
115.2
|
Ionawr 2007
|
115.3
|
116.6
|
Chwefror 2007
|
117.2
|
118.4
|
Mawrth 2007
|
116.3
|
117.6
|
Ebrill 2007
|
115.6
|
117.1
|
Mai 2007
|
114.3
|
116.1
|
Mehefin 2007
|
115.7
|
117.6
|
Gorffennaf 2007
|
115.8
|
117.8
|
Awst 2007
|
119.2
|
121.3
|
Medi 2007
|
117.9
|
119.9
|
Hydref 2007
|
117.2
|
119.2
|
Tachwedd 2007
|
117.4
|
119.1
|
Rhagfyr 2007
|
118.0
|
119.7
|
Ionawr 2008
|
120.5
|
122.3
|
Chwefror 2008
|
116.5
|
118.3
|
Mawrth 2008
|
114.7
|
116.4
|
Ebrill 2008
|
112.1
|
113.7
|
Mai 2008
|
115.3
|
117.0
|
Mehefin 2008
|
114.8
|
116.6
|
Gorffennaf 2008
|
110.9
|
112.4
|
Awst 2008
|
106.4
|
107.9
|
Medi 2008
|
105.7
|
107.1
|
Hydref 2008
|
106.1
|
107.5
|
Tachwedd 2008
|
109.9
|
111.1
|
Rhagfyr 2008
|
113.4
|
114.9
|
Ionawr 2009
|
115.8
|
117.1
|
Chwefror 2009
|
112.1
|
113.1
|
Mawrth 2009
|
110.0
|
110.5
|
Ebrill 2009
|
108.0
|
108.6
|
Mai 2009
|
107.6
|
108.3
|
Mehefin 2009
|
107.2
|
108.0
|
Gorffennaf 2009
|
107.0
|
108.0
|
Awst 2009
|
107.2
|
108.4
|
Medi 2009
|
105.3
|
106.5
|
Hydref 2009
|
105.6
|
106.6
|
Tachwedd 2009
|
106.2
|
107.4
|
Rhagfyr 2009
|
107.3
|
108.8
|
Ionawr 2010
|
105.1
|
106.6
|
Chwefror 2010
|
103.6
|
104.7
|
Mawrth 2010
|
101.7
|
102.2
|
Ebrill 2010
|
102.9
|
103.3
|
Mai 2010
|
102.2
|
102.5
|
Mehefin 2010
|
103.0
|
103.5
|
Gorffennaf 2010
|
102.8
|
103.3
|
Awst 2010
|
105.9
|
106.3
|
Medi 2010
|
105.5
|
105.7
|
Hydref 2010
|
107.1
|
107.2
|
Tachwedd 2010
|
104.0
|
104.0
|
Rhagfyr 2010
|
102.3
|
102.2
|
Ionawr 2011
|
98.4
|
98.1
|
Chwefror 2011
|
98.8
|
98.6
|
Mawrth 2011
|
97.6
|
97.2
|
Ebrill 2011
|
100.1
|
99.8
|
Mai 2011
|
100.2
|
99.8
|
Mehefin 2011
|
101.4
|
101.3
|
Gorffennaf 2011
|
99.8
|
99.6
|
Awst 2011
|
97.9
|
97.8
|
Medi 2011
|
98.5
|
98.5
|
Hydref 2011
|
99.0
|
98.7
|
Tachwedd 2011
|
100.0
|
99.6
|
Rhagfyr 2011
|
100.8
|
100.1
|
Ionawr 2012
|
99.6
|
99.1
|
Chwefror 2012
|
97.4
|
97.2
|
Mawrth 2012
|
97.2
|
97.2
|
Ebrill 2012
|
100.5
|
100.5
|
Mai 2012
|
103.1
|
103.1
|
Mehefin 2012
|
104.6
|
104.8
|
Gorffennaf 2012
|
103.0
|
103.4
|
Awst 2012
|
104.0
|
104.5
|
Medi 2012
|
103.1
|
103.5
|
Hydref 2012
|
103.9
|
104.2
|
Tachwedd 2012
|
103.6
|
103.8
|
Rhagfyr 2012
|
99.8
|
99.8
|
Ionawr 2013
|
95.7
|
95.5
|
Chwefror 2013
|
92.6
|
92.5
|
Mawrth 2013
|
94.2
|
94.0
|
Ebrill 2013
|
96.2
|
96.1
|
Mai 2013
|
98.2
|
98.0
|
Mehefin 2013
|
97.5
|
97.6
|
Gorffennaf 2013
|
99.7
|
99.9
|
Awst 2013
|
101.1
|
101.4
|
Medi 2013
|
102.2
|
102.3
|
Hydref 2013
|
98.2
|
98.0
|
Tachwedd 2013
|
96.0
|
95.6
|
Rhagfyr 2013
|
96.4
|
96.1
|
Ionawr 2014
|
96.6
|
96.6
|
Chwefror 2014
|
93.6
|
93.7
|
Mawrth 2014
|
92.9
|
92.9
|
Ebrill 2014
|
94.7
|
94.9
|
Mai 2014
|
99.7
|
100.0
|
Mehefin 2014
|
101.5
|
102.0
|
Gorffennaf 2014
|
103.6
|
104.2
|
Awst 2014
|
103.4
|
104.1
|
Medi 2014
|
104.5
|
105.2
|
Hydref 2014
|
104.1
|
104.7
|
Tachwedd 2014
|
103.2
|
103.6
|
Rhagfyr 2014
|
102.2
|
102.3
|
Ionawr 2015
|
100.0
|
100.0
|
Chwefror 2015
|
99.3
|
99.4
|
Mawrth 2015
|
97.6
|
97.3
|
Ebrill 2015
|
98.5
|
98.3
|
Mai 2015
|
101.8
|
101.6
|
Mehefin 2015
|
103.9
|
104.2
|
Gorffennaf 2015
|
104.3
|
104.6
|
Awst 2015
|
101.2
|
101.6
|
Medi 2015
|
99.8
|
100.0
|
Hydref 2015
|
100.2
|
100.2
|
Tachwedd 2015
|
102.3
|
102.1
|
Rhagfyr 2015
|
103.8
|
103.5
|
Ionawr 2016
|
104.4
|
104.0
|
Chwefror 2016
|
102.4
|
102.1
|
Mawrth 2016
|
100.9
|
100.8
|
Ebrill 2016
|
103.2
|
103.1
|
Mai 2016
|
105.0
|
104.9
|
Mehefin 2016
|
106.9
|
106.7
|
Gorffennaf 2016
|
106.1
|
106.1
|
Awst 2016
|
104.3
|
104.3
|
Medi 2016
|
100.0
|
99.8
|
Hydref 2016
|
99.2
|
98.5
|
Tachwedd 2016
|
99.9
|
98.8
|
Rhagfyr 2016
|
104.1
|
102.8
|
Ionawr 2017
|
101.8
|
100.4
|
Chwefror 2017
|
103.6
|
102.4
|
Mawrth 2017
|
101.7
|
100.4
|
Ebrill 2017
|
103.6
|
102.5
|
Mai 2017
|
102.4
|
101.2
|
Mehefin 2017
|
101.9
|
101.0
|
Gorffennaf 2017
|
102.1
|
101.4
|
Awst 2017
|
101.9
|
101.4
|
Medi 2017
|
103.7
|
103.2
|
Hydref 2017
|
105.0
|
104.1
|
Tachwedd 2017
|
105.8
|
104.7
|
Rhagfyr 2017
|
106.9
|
105.8
|
Ionawr 2018
|
104.7
|
103.6
|
Chwefror 2018
|
104.2
|
102.8
|
Mawrth 2018
|
100.6
|
99.2
|
Ebrill 2018
|
100.2
|
99.0
|
Mai 2018
|
99.9
|
99.1
|
Mehefin 2018
|
103.8
|
102.8
|
Gorffennaf 2018
|
105.2
|
104.2
|
Awst 2018
|
104.4
|
103.4
|
Medi 2018
|
101.6
|
100.6
|
Hydref 2018
|
101.8
|
100.7
|
Tachwedd 2018
|
102.0
|
101.0
|
Rhagfyr 2018
|
104.2
|
103.0
|
Ionawr 2019
|
102.6
|
101.2
|
Chwefror 2019
|
102.7
|
101.1
|
Mawrth 2019
|
100.5
|
98.6
|
Ebrill 2019
|
102.1
|
100.5
|
Mai 2019
|
104.6
|
103.1
|
Mehefin 2019
|
104.7
|
103.5
|
Gorffennaf 2019
|
105.9
|
104.9
|
Awst 2019
|
106.5
|
105.7
|
Medi 2019
|
108.5
|
107.7
|
Hydref 2019
|
106.7
|
105.8
|
Tachwedd 2019
|
104.7
|
103.6
|
Rhagfyr 2019
|
104.7
|
103.7
|
Ionawr 2020
|
105.7
|
104.5
|
Chwefror 2020
|
104.2
|
103.0
|
Mawrth 2020
|
103.8
|
102.4
|
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
|
Mai 2006
|
197814.0
|
Mehefin 2006
|
197297.0
|
Gorffennaf 2006
|
195677.0
|
Awst 2006
|
192636.0
|
Medi 2006
|
193476.0
|
Hydref 2006
|
198126.0
|
Tachwedd 2006
|
198052.0
|
Rhagfyr 2006
|
202042.0
|
Ionawr 2007
|
203926.0
|
Chwefror 2007
|
208148.0
|
Mawrth 2007
|
205585.0
|
Ebrill 2007
|
203026.0
|
Mai 2007
|
200727.0
|
Mehefin 2007
|
203110.0
|
Gorffennaf 2007
|
204310.0
|
Awst 2007
|
207835.0
|
Medi 2007
|
205150.0
|
Hydref 2007
|
203604.0
|
Tachwedd 2007
|
204980.0
|
Rhagfyr 2007
|
206769.0
|
Ionawr 2008
|
211910.0
|
Chwefror 2008
|
207056.0
|
Mawrth 2008
|
204616.0
|
Ebrill 2008
|
200335.0
|
Mai 2008
|
205000.0
|
Mehefin 2008
|
203729.0
|
Gorffennaf 2008
|
195770.0
|
Awst 2008
|
186233.0
|
Medi 2008
|
184918.0
|
Hydref 2008
|
185512.0
|
Tachwedd 2008
|
193443.0
|
Rhagfyr 2008
|
198581.0
|
Ionawr 2009
|
203743.0
|
Chwefror 2009
|
197533.0
|
Mawrth 2009
|
196176.0
|
Ebrill 2009
|
192721.0
|
Mai 2009
|
190573.0
|
Mehefin 2009
|
187744.0
|
Gorffennaf 2009
|
185626.0
|
Awst 2009
|
184679.0
|
Medi 2009
|
181116.0
|
Hydref 2009
|
180637.0
|
Tachwedd 2009
|
182087.0
|
Rhagfyr 2009
|
183187.0
|
Ionawr 2010
|
176968.0
|
Chwefror 2010
|
174078.0
|
Mawrth 2010
|
170851.0
|
Ebrill 2010
|
174336.0
|
Mai 2010
|
172383.0
|
Mehefin 2010
|
172623.0
|
Gorffennaf 2010
|
171204.0
|
Awst 2010
|
175802.0
|
Medi 2010
|
175699.0
|
Hydref 2010
|
180560.0
|
Tachwedd 2010
|
176400.0
|
Rhagfyr 2010
|
174766.0
|
Ionawr 2011
|
168852.0
|
Chwefror 2011
|
171164.0
|
Mawrth 2011
|
169717.0
|
Ebrill 2011
|
174792.0
|
Mai 2011
|
175595.0
|
Mehefin 2011
|
177115.0
|
Gorffennaf 2011
|
173742.0
|
Awst 2011
|
168986.0
|
Medi 2011
|
169378.0
|
Hydref 2011
|
169955.0
|
Tachwedd 2011
|
172720.0
|
Rhagfyr 2011
|
174811.0
|
Ionawr 2012
|
172602.0
|
Chwefror 2012
|
167726.0
|
Mawrth 2012
|
167284.0
|
Ebrill 2012
|
172922.0
|
Mai 2012
|
177743.0
|
Mehefin 2012
|
179640.0
|
Gorffennaf 2012
|
175070.0
|
Awst 2012
|
175318.0
|
Medi 2012
|
173166.0
|
Hydref 2012
|
176842.0
|
Tachwedd 2012
|
178230.0
|
Rhagfyr 2012
|
173431.0
|
Ionawr 2013
|
165414.0
|
Chwefror 2013
|
159242.0
|
Mawrth 2013
|
161875.0
|
Ebrill 2013
|
166395.0
|
Mai 2013
|
170386.0
|
Mehefin 2013
|
168470.0
|
Gorffennaf 2013
|
170951.0
|
Awst 2013
|
172483.0
|
Medi 2013
|
174932.0
|
Hydref 2013
|
169078.0
|
Tachwedd 2013
|
166485.0
|
Rhagfyr 2013
|
167879.0
|
Ionawr 2014
|
168349.0
|
Chwefror 2014
|
163432.0
|
Mawrth 2014
|
161690.0
|
Ebrill 2014
|
165261.0
|
Mai 2014
|
174338.0
|
Mehefin 2014
|
177173.0
|
Gorffennaf 2014
|
180129.0
|
Awst 2014
|
178114.0
|
Medi 2014
|
179023.0
|
Hydref 2014
|
178300.0
|
Tachwedd 2014
|
176991.0
|
Rhagfyr 2014
|
176325.0
|
Ionawr 2015
|
173581.0
|
Chwefror 2015
|
173970.0
|
Mawrth 2015
|
171865.0
|
Ebrill 2015
|
173577.0
|
Mai 2015
|
178533.0
|
Mehefin 2015
|
180266.0
|
Gorffennaf 2015
|
180008.0
|
Awst 2015
|
174024.0
|
Medi 2015
|
172135.0
|
Hydref 2015
|
173072.0
|
Tachwedd 2015
|
177114.0
|
Rhagfyr 2015
|
181288.0
|
Ionawr 2016
|
182382.0
|
Chwefror 2016
|
178748.0
|
Mawrth 2016
|
173632.0
|
Ebrill 2016
|
179138.0
|
Mai 2016
|
185376.0
|
Mehefin 2016
|
191029.0
|
Gorffennaf 2016
|
188329.0
|
Awst 2016
|
183139.0
|
Medi 2016
|
175408.0
|
Hydref 2016
|
175370.0
|
Tachwedd 2016
|
177942.0
|
Rhagfyr 2016
|
186439.0
|
Ionawr 2017
|
183467.0
|
Chwefror 2017
|
186937.0
|
Mawrth 2017
|
184140.0
|
Ebrill 2017
|
186226.0
|
Mai 2017
|
183321.0
|
Mehefin 2017
|
180608.0
|
Gorffennaf 2017
|
180499.0
|
Awst 2017
|
179079.0
|
Medi 2017
|
183102.0
|
Hydref 2017
|
186001.0
|
Tachwedd 2017
|
187878.0
|
Rhagfyr 2017
|
189332.0
|
Ionawr 2018
|
186274.0
|
Chwefror 2018
|
188973.0
|
Mawrth 2018
|
183677.0
|
Ebrill 2018
|
182747.0
|
Mai 2018
|
179175.0
|
Mehefin 2018
|
185771.0
|
Gorffennaf 2018
|
187795.0
|
Awst 2018
|
187310.0
|
Medi 2018
|
182353.0
|
Hydref 2018
|
183445.0
|
Tachwedd 2018
|
182724.0
|
Rhagfyr 2018
|
186692.0
|
Ionawr 2019
|
183845.0
|
Chwefror 2019
|
187275.0
|
Mawrth 2019
|
184668.0
|
Ebrill 2019
|
188326.0
|
Mai 2019
|
190898.0
|
Mehefin 2019
|
189136.0
|
Gorffennaf 2019
|
191743.0
|
Awst 2019
|
192139.0
|
Medi 2019
|
196988.0
|
Hydref 2019
|
192879.0
|
Tachwedd 2019
|
187965.0
|
Rhagfyr 2019
|
186273.0
|
Ionawr 2020
|
189642.0
|
Chwefror 2020
|
188460.0
|
Mawrth 2020
|
189882.0
|
Dyddiad
|
Adeilad newydd
|
Mai 2006
|
19.1
|
Mehefin 2006
|
15.0
|
Gorffennaf 2006
|
10.9
|
Awst 2006
|
10.3
|
Medi 2006
|
9.8
|
Hydref 2006
|
13.7
|
Tachwedd 2006
|
11.0
|
Rhagfyr 2006
|
12.2
|
Ionawr 2007
|
11.2
|
Chwefror 2007
|
15.5
|
Mawrth 2007
|
11.8
|
Ebrill 2007
|
8.1
|
Mai 2007
|
1.5
|
Mehefin 2007
|
3.0
|
Gorffennaf 2007
|
4.4
|
Awst 2007
|
7.9
|
Medi 2007
|
6.0
|
Hydref 2007
|
2.8
|
Tachwedd 2007
|
3.5
|
Rhagfyr 2007
|
2.3
|
Ionawr 2008
|
3.9
|
Chwefror 2008
|
-0.5
|
Mawrth 2008
|
-0.5
|
Ebrill 2008
|
-1.3
|
Mai 2008
|
2.1
|
Mehefin 2008
|
0.3
|
Gorffennaf 2008
|
-4.2
|
Awst 2008
|
-10.4
|
Medi 2008
|
-9.9
|
Hydref 2008
|
-8.9
|
Tachwedd 2008
|
-5.6
|
Rhagfyr 2008
|
-4.0
|
Ionawr 2009
|
-3.8
|
Chwefror 2009
|
-4.6
|
Mawrth 2009
|
-4.1
|
Ebrill 2009
|
-3.8
|
Mai 2009
|
-7.0
|
Mehefin 2009
|
-7.8
|
Gorffennaf 2009
|
-5.2
|
Awst 2009
|
-0.8
|
Medi 2009
|
-2.1
|
Hydref 2009
|
-2.6
|
Tachwedd 2009
|
-5.9
|
Rhagfyr 2009
|
-7.8
|
Ionawr 2010
|
-13.1
|
Chwefror 2010
|
-11.9
|
Mawrth 2010
|
-12.9
|
Ebrill 2010
|
-9.5
|
Mai 2010
|
-9.5
|
Mehefin 2010
|
-8.0
|
Gorffennaf 2010
|
-7.8
|
Awst 2010
|
-4.8
|
Medi 2010
|
-3.0
|
Hydref 2010
|
-0.0
|
Tachwedd 2010
|
-3.1
|
Rhagfyr 2010
|
-4.6
|
Ionawr 2011
|
-4.6
|
Chwefror 2011
|
-1.7
|
Mawrth 2011
|
-0.7
|
Ebrill 2011
|
0.3
|
Mai 2011
|
1.9
|
Mehefin 2011
|
2.6
|
Gorffennaf 2011
|
1.5
|
Awst 2011
|
-3.9
|
Medi 2011
|
-3.6
|
Hydref 2011
|
-5.9
|
Tachwedd 2011
|
-2.1
|
Rhagfyr 2011
|
0.0
|
Ionawr 2012
|
2.2
|
Chwefror 2012
|
-2.0
|
Mawrth 2012
|
-1.4
|
Ebrill 2012
|
-1.1
|
Mai 2012
|
1.2
|
Mehefin 2012
|
1.4
|
Gorffennaf 2012
|
0.8
|
Awst 2012
|
3.8
|
Medi 2012
|
2.2
|
Hydref 2012
|
4.0
|
Tachwedd 2012
|
3.2
|
Rhagfyr 2012
|
-0.8
|
Ionawr 2013
|
-4.2
|
Chwefror 2013
|
-5.1
|
Mawrth 2013
|
-3.2
|
Ebrill 2013
|
-3.8
|
Mai 2013
|
-4.1
|
Mehefin 2013
|
-6.2
|
Gorffennaf 2013
|
-2.4
|
Awst 2013
|
-1.6
|
Medi 2013
|
1.0
|
Hydref 2013
|
-4.4
|
Tachwedd 2013
|
-6.6
|
Rhagfyr 2013
|
-3.2
|
Ionawr 2014
|
1.8
|
Chwefror 2014
|
2.6
|
Mawrth 2014
|
-0.1
|
Ebrill 2014
|
-0.7
|
Mai 2014
|
2.3
|
Mehefin 2014
|
5.2
|
Gorffennaf 2014
|
5.4
|
Awst 2014
|
3.3
|
Medi 2014
|
2.3
|
Hydref 2014
|
5.4
|
Tachwedd 2014
|
6.3
|
Rhagfyr 2014
|
5.0
|
Ionawr 2015
|
3.1
|
Chwefror 2015
|
6.4
|
Mawrth 2015
|
6.3
|
Ebrill 2015
|
5.0
|
Mai 2015
|
2.4
|
Mehefin 2015
|
1.8
|
Gorffennaf 2015
|
-0.1
|
Awst 2015
|
-2.3
|
Medi 2015
|
-3.8
|
Hydref 2015
|
-2.9
|
Tachwedd 2015
|
0.1
|
Rhagfyr 2015
|
2.8
|
Ionawr 2016
|
5.1
|
Chwefror 2016
|
2.8
|
Mawrth 2016
|
1.0
|
Ebrill 2016
|
3.2
|
Mai 2016
|
3.8
|
Mehefin 2016
|
6.0
|
Gorffennaf 2016
|
4.6
|
Awst 2016
|
5.2
|
Medi 2016
|
1.9
|
Hydref 2016
|
1.3
|
Tachwedd 2016
|
0.5
|
Rhagfyr 2016
|
2.8
|
Ionawr 2017
|
0.6
|
Chwefror 2017
|
4.6
|
Mawrth 2017
|
6.0
|
Ebrill 2017
|
0.1
|
Mai 2017
|
-3.4
|
Mehefin 2017
|
-5.5
|
Gorffennaf 2017
|
-4.2
|
Awst 2017
|
-2.2
|
Medi 2017
|
4.4
|
Hydref 2017
|
6.1
|
Tachwedd 2017
|
5.6
|
Rhagfyr 2017
|
1.6
|
Ionawr 2018
|
1.5
|
Chwefror 2018
|
1.1
|
Mawrth 2018
|
-0.2
|
Ebrill 2018
|
-1.9
|
Mai 2018
|
-2.3
|
Mehefin 2018
|
2.9
|
Gorffennaf 2018
|
4.0
|
Awst 2018
|
4.6
|
Medi 2018
|
-0.4
|
Hydref 2018
|
-1.4
|
Tachwedd 2018
|
-2.7
|
Rhagfyr 2018
|
-1.4
|
Ionawr 2019
|
-1.3
|
Chwefror 2019
|
-0.9
|
Mawrth 2019
|
0.5
|
Ebrill 2019
|
3.0
|
Mai 2019
|
6.5
|
Mehefin 2019
|
1.8
|
Gorffennaf 2019
|
2.1
|
Awst 2019
|
2.6
|
Medi 2019
|
8.0
|
Hydref 2019
|
5.1
|
Tachwedd 2019
|
2.9
|
Rhagfyr 2019
|
-0.2
|
Ionawr 2020
|
3.2
|
Chwefror 2020
|
0.6
|
Mawrth 2020
|
2.8
|
Dyddiad
|
Adeilad newydd
|
Mai 2006
|
5.4
|
Mehefin 2006
|
-0.3
|
Gorffennaf 2006
|
-0.8
|
Awst 2006
|
-1.6
|
Medi 2006
|
0.4
|
Hydref 2006
|
2.4
|
Tachwedd 2006
|
-0.0
|
Rhagfyr 2006
|
2.0
|
Ionawr 2007
|
0.9
|
Chwefror 2007
|
2.1
|
Mawrth 2007
|
-1.2
|
Ebrill 2007
|
-1.2
|
Mai 2007
|
-1.1
|
Mehefin 2007
|
1.2
|
Gorffennaf 2007
|
0.6
|
Awst 2007
|
1.7
|
Medi 2007
|
-1.3
|
Hydref 2007
|
-0.8
|
Tachwedd 2007
|
0.7
|
Rhagfyr 2007
|
0.9
|
Ionawr 2008
|
2.5
|
Chwefror 2008
|
-2.3
|
Mawrth 2008
|
-1.2
|
Ebrill 2008
|
-2.1
|
Mai 2008
|
2.3
|
Mehefin 2008
|
-0.6
|
Gorffennaf 2008
|
-3.9
|
Awst 2008
|
-4.9
|
Medi 2008
|
-0.7
|
Hydref 2008
|
0.3
|
Tachwedd 2008
|
4.3
|
Rhagfyr 2008
|
2.7
|
Ionawr 2009
|
2.6
|
Chwefror 2009
|
-3.0
|
Mawrth 2009
|
-0.7
|
Ebrill 2009
|
-1.8
|
Mai 2009
|
-1.1
|
Mehefin 2009
|
-1.5
|
Gorffennaf 2009
|
-1.1
|
Awst 2009
|
-0.5
|
Medi 2009
|
-1.9
|
Hydref 2009
|
-0.3
|
Tachwedd 2009
|
0.8
|
Rhagfyr 2009
|
0.6
|
Ionawr 2010
|
-3.4
|
Chwefror 2010
|
-1.6
|
Mawrth 2010
|
-1.8
|
Ebrill 2010
|
2.0
|
Mai 2010
|
-1.1
|
Mehefin 2010
|
0.1
|
Gorffennaf 2010
|
-0.8
|
Awst 2010
|
2.7
|
Medi 2010
|
-0.1
|
Hydref 2010
|
2.8
|
Tachwedd 2010
|
-2.3
|
Rhagfyr 2010
|
-0.9
|
Ionawr 2011
|
-3.4
|
Chwefror 2011
|
1.4
|
Mawrth 2011
|
-0.8
|
Ebrill 2011
|
3.0
|
Mai 2011
|
0.5
|
Mehefin 2011
|
0.9
|
Gorffennaf 2011
|
-1.9
|
Awst 2011
|
-2.7
|
Medi 2011
|
0.2
|
Hydref 2011
|
0.3
|
Tachwedd 2011
|
1.6
|
Rhagfyr 2011
|
1.2
|
Ionawr 2012
|
-1.3
|
Chwefror 2012
|
-2.8
|
Mawrth 2012
|
-0.3
|
Ebrill 2012
|
3.4
|
Mai 2012
|
2.8
|
Mehefin 2012
|
1.1
|
Gorffennaf 2012
|
-2.5
|
Awst 2012
|
0.1
|
Medi 2012
|
-1.2
|
Hydref 2012
|
2.1
|
Tachwedd 2012
|
0.8
|
Rhagfyr 2012
|
-2.7
|
Ionawr 2013
|
-4.6
|
Chwefror 2013
|
-3.7
|
Mawrth 2013
|
1.6
|
Ebrill 2013
|
2.8
|
Mai 2013
|
2.4
|
Mehefin 2013
|
-1.1
|
Gorffennaf 2013
|
1.5
|
Awst 2013
|
0.9
|
Medi 2013
|
1.4
|
Hydref 2013
|
-3.4
|
Tachwedd 2013
|
-1.5
|
Rhagfyr 2013
|
0.8
|
Ionawr 2014
|
0.3
|
Chwefror 2014
|
-2.9
|
Mawrth 2014
|
-1.1
|
Ebrill 2014
|
2.2
|
Mai 2014
|
5.5
|
Mehefin 2014
|
1.6
|
Gorffennaf 2014
|
1.7
|
Awst 2014
|
-1.1
|
Medi 2014
|
0.5
|
Hydref 2014
|
-0.4
|
Tachwedd 2014
|
-0.7
|
Rhagfyr 2014
|
-0.4
|
Ionawr 2015
|
-1.6
|
Chwefror 2015
|
0.2
|
Mawrth 2015
|
-1.2
|
Ebrill 2015
|
1.0
|
Mai 2015
|
2.9
|
Mehefin 2015
|
1.0
|
Gorffennaf 2015
|
-0.1
|
Awst 2015
|
-3.3
|
Medi 2015
|
-1.1
|
Hydref 2015
|
0.5
|
Tachwedd 2015
|
2.3
|
Rhagfyr 2015
|
2.4
|
Ionawr 2016
|
0.6
|
Chwefror 2016
|
-2.0
|
Mawrth 2016
|
-2.9
|
Ebrill 2016
|
3.2
|
Mai 2016
|
3.5
|
Mehefin 2016
|
3.0
|
Gorffennaf 2016
|
-1.4
|
Awst 2016
|
-2.8
|
Medi 2016
|
-4.2
|
Hydref 2016
|
-0.0
|
Tachwedd 2016
|
1.5
|
Rhagfyr 2016
|
4.8
|
Ionawr 2017
|
-1.6
|
Chwefror 2017
|
1.9
|
Mawrth 2017
|
-1.5
|
Ebrill 2017
|
1.1
|
Mai 2017
|
-1.6
|
Mehefin 2017
|
-1.5
|
Gorffennaf 2017
|
-0.1
|
Awst 2017
|
-0.8
|
Medi 2017
|
2.2
|
Hydref 2017
|
1.6
|
Tachwedd 2017
|
1.0
|
Rhagfyr 2017
|
0.8
|
Ionawr 2018
|
-1.6
|
Chwefror 2018
|
1.4
|
Mawrth 2018
|
-2.8
|
Ebrill 2018
|
-0.5
|
Mai 2018
|
-2.0
|
Mehefin 2018
|
3.7
|
Gorffennaf 2018
|
1.1
|
Awst 2018
|
-0.3
|
Medi 2018
|
-2.6
|
Hydref 2018
|
0.6
|
Tachwedd 2018
|
-0.4
|
Rhagfyr 2018
|
2.2
|
Ionawr 2019
|
-1.5
|
Chwefror 2019
|
1.9
|
Mawrth 2019
|
-1.4
|
Ebrill 2019
|
2.0
|
Mai 2019
|
1.4
|
Mehefin 2019
|
-0.9
|
Gorffennaf 2019
|
1.4
|
Awst 2019
|
0.2
|
Medi 2019
|
2.5
|
Hydref 2019
|
-2.1
|
Tachwedd 2019
|
-2.6
|
Rhagfyr 2019
|
-0.9
|
Ionawr 2020
|
1.8
|
Chwefror 2020
|
-0.6
|
Mawrth 2020
|
0.8
|
Dyddiad
|
Adeilad newydd
|
Mai 2006
|
114.0
|
Mehefin 2006
|
113.7
|
Gorffennaf 2006
|
112.7
|
Awst 2006
|
111.0
|
Medi 2006
|
111.5
|
Hydref 2006
|
114.1
|
Tachwedd 2006
|
114.1
|
Rhagfyr 2006
|
116.4
|
Ionawr 2007
|
117.5
|
Chwefror 2007
|
119.9
|
Mawrth 2007
|
118.4
|
Ebrill 2007
|
117.0
|
Mai 2007
|
115.6
|
Mehefin 2007
|
117.0
|
Gorffennaf 2007
|
117.7
|
Awst 2007
|
119.7
|
Medi 2007
|
118.2
|
Hydref 2007
|
117.3
|
Tachwedd 2007
|
118.1
|
Rhagfyr 2007
|
119.1
|
Ionawr 2008
|
122.1
|
Chwefror 2008
|
119.3
|
Mawrth 2008
|
117.9
|
Ebrill 2008
|
115.4
|
Mai 2008
|
118.1
|
Mehefin 2008
|
117.4
|
Gorffennaf 2008
|
112.8
|
Awst 2008
|
107.3
|
Medi 2008
|
106.5
|
Hydref 2008
|
106.9
|
Tachwedd 2008
|
111.4
|
Rhagfyr 2008
|
114.4
|
Ionawr 2009
|
117.4
|
Chwefror 2009
|
113.8
|
Mawrth 2009
|
113.0
|
Ebrill 2009
|
111.0
|
Mai 2009
|
109.8
|
Mehefin 2009
|
108.2
|
Gorffennaf 2009
|
106.9
|
Awst 2009
|
106.4
|
Medi 2009
|
104.3
|
Hydref 2009
|
104.1
|
Tachwedd 2009
|
104.9
|
Rhagfyr 2009
|
105.5
|
Ionawr 2010
|
102.0
|
Chwefror 2010
|
100.3
|
Mawrth 2010
|
98.4
|
Ebrill 2010
|
100.4
|
Mai 2010
|
99.3
|
Mehefin 2010
|
99.4
|
Gorffennaf 2010
|
98.6
|
Awst 2010
|
101.3
|
Medi 2010
|
101.2
|
Hydref 2010
|
104.0
|
Tachwedd 2010
|
101.6
|
Rhagfyr 2010
|
100.7
|
Ionawr 2011
|
97.3
|
Chwefror 2011
|
98.6
|
Mawrth 2011
|
97.8
|
Ebrill 2011
|
100.7
|
Mai 2011
|
101.2
|
Mehefin 2011
|
102.0
|
Gorffennaf 2011
|
100.1
|
Awst 2011
|
97.4
|
Medi 2011
|
97.6
|
Hydref 2011
|
97.9
|
Tachwedd 2011
|
99.5
|
Rhagfyr 2011
|
100.7
|
Ionawr 2012
|
99.4
|
Chwefror 2012
|
96.6
|
Mawrth 2012
|
96.4
|
Ebrill 2012
|
99.6
|
Mai 2012
|
102.4
|
Mehefin 2012
|
103.5
|
Gorffennaf 2012
|
100.9
|
Awst 2012
|
101.0
|
Medi 2012
|
99.8
|
Hydref 2012
|
101.9
|
Tachwedd 2012
|
102.7
|
Rhagfyr 2012
|
99.9
|
Ionawr 2013
|
95.3
|
Chwefror 2013
|
91.7
|
Mawrth 2013
|
93.3
|
Ebrill 2013
|
95.9
|
Mai 2013
|
98.2
|
Mehefin 2013
|
97.1
|
Gorffennaf 2013
|
98.5
|
Awst 2013
|
99.4
|
Medi 2013
|
100.8
|
Hydref 2013
|
97.4
|
Tachwedd 2013
|
95.9
|
Rhagfyr 2013
|
96.7
|
Ionawr 2014
|
97.0
|
Chwefror 2014
|
94.2
|
Mawrth 2014
|
93.2
|
Ebrill 2014
|
95.2
|
Mai 2014
|
100.4
|
Mehefin 2014
|
102.1
|
Gorffennaf 2014
|
103.8
|
Awst 2014
|
102.6
|
Medi 2014
|
103.1
|
Hydref 2014
|
102.7
|
Tachwedd 2014
|
102.0
|
Rhagfyr 2014
|
101.6
|
Ionawr 2015
|
100.0
|
Chwefror 2015
|
100.2
|
Mawrth 2015
|
99.0
|
Ebrill 2015
|
100.0
|
Mai 2015
|
102.8
|
Mehefin 2015
|
103.8
|
Gorffennaf 2015
|
103.7
|
Awst 2015
|
100.2
|
Medi 2015
|
99.2
|
Hydref 2015
|
99.7
|
Tachwedd 2015
|
102.0
|
Rhagfyr 2015
|
104.4
|
Ionawr 2016
|
105.1
|
Chwefror 2016
|
103.0
|
Mawrth 2016
|
100.0
|
Ebrill 2016
|
103.2
|
Mai 2016
|
106.8
|
Mehefin 2016
|
110.0
|
Gorffennaf 2016
|
108.5
|
Awst 2016
|
105.5
|
Medi 2016
|
101.0
|
Hydref 2016
|
101.0
|
Tachwedd 2016
|
102.5
|
Rhagfyr 2016
|
107.4
|
Ionawr 2017
|
105.7
|
Chwefror 2017
|
107.7
|
Mawrth 2017
|
106.1
|
Ebrill 2017
|
107.3
|
Mai 2017
|
105.6
|
Mehefin 2017
|
104.0
|
Gorffennaf 2017
|
104.0
|
Awst 2017
|
103.2
|
Medi 2017
|
105.5
|
Hydref 2017
|
107.2
|
Tachwedd 2017
|
108.2
|
Rhagfyr 2017
|
109.1
|
Ionawr 2018
|
107.3
|
Chwefror 2018
|
108.9
|
Mawrth 2018
|
105.8
|
Ebrill 2018
|
105.3
|
Mai 2018
|
103.2
|
Mehefin 2018
|
107.0
|
Gorffennaf 2018
|
108.2
|
Awst 2018
|
107.9
|
Medi 2018
|
105.0
|
Hydref 2018
|
105.7
|
Tachwedd 2018
|
105.3
|
Rhagfyr 2018
|
107.6
|
Ionawr 2019
|
105.9
|
Chwefror 2019
|
107.9
|
Mawrth 2019
|
106.4
|
Ebrill 2019
|
108.5
|
Mai 2019
|
110.0
|
Mehefin 2019
|
109.0
|
Gorffennaf 2019
|
110.5
|
Awst 2019
|
110.7
|
Medi 2019
|
113.5
|
Hydref 2019
|
111.1
|
Tachwedd 2019
|
108.3
|
Rhagfyr 2019
|
107.3
|
Ionawr 2020
|
109.2
|
Chwefror 2020
|
108.6
|
Mawrth 2020
|
109.4
|