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
|
Ionawr 2002
|
67380.0
|
62104.0
|
46864.0
|
Chwefror 2002
|
69131.0
|
63626.0
|
48154.0
|
Mawrth 2002
|
70011.0
|
64470.0
|
48869.0
|
Ebrill 2002
|
72180.0
|
66473.0
|
50539.0
|
Mai 2002
|
73929.0
|
68247.0
|
51838.0
|
Mehefin 2002
|
76376.0
|
70425.0
|
53674.0
|
Gorffennaf 2002
|
79939.0
|
73708.0
|
56196.0
|
Awst 2002
|
81227.0
|
74831.0
|
57096.0
|
Medi 2002
|
84971.0
|
78402.0
|
59536.0
|
Hydref 2002
|
86112.0
|
79600.0
|
60239.0
|
Tachwedd 2002
|
89512.0
|
82745.0
|
62551.0
|
Rhagfyr 2002
|
90403.0
|
83719.0
|
63271.0
|
Ionawr 2003
|
93092.0
|
86062.0
|
65387.0
|
Chwefror 2003
|
91751.0
|
85068.0
|
64513.0
|
Mawrth 2003
|
91465.0
|
84734.0
|
64397.0
|
Ebrill 2003
|
92721.0
|
86181.0
|
65314.0
|
Mai 2003
|
95877.0
|
89114.0
|
67744.0
|
Mehefin 2003
|
97762.0
|
90865.0
|
69188.0
|
Gorffennaf 2003
|
99931.0
|
92939.0
|
70846.0
|
Awst 2003
|
102891.0
|
95656.0
|
73044.0
|
Medi 2003
|
106033.0
|
98622.0
|
75452.0
|
Hydref 2003
|
107529.0
|
99905.0
|
76731.0
|
Tachwedd 2003
|
109442.0
|
101754.0
|
78197.0
|
Rhagfyr 2003
|
111453.0
|
103722.0
|
80025.0
|
Ionawr 2004
|
113157.0
|
105278.0
|
81351.0
|
Chwefror 2004
|
114438.0
|
106398.0
|
82614.0
|
Mawrth 2004
|
115798.0
|
107515.0
|
83733.0
|
Ebrill 2004
|
118165.0
|
109950.0
|
86048.0
|
Mai 2004
|
122241.0
|
113845.0
|
89612.0
|
Mehefin 2004
|
128055.0
|
119448.0
|
94188.0
|
Gorffennaf 2004
|
131864.0
|
123085.0
|
97075.0
|
Awst 2004
|
133341.0
|
124491.0
|
98034.0
|
Medi 2004
|
134734.0
|
125667.0
|
99031.0
|
Hydref 2004
|
136405.0
|
127041.0
|
100279.0
|
Tachwedd 2004
|
137496.0
|
127964.0
|
101211.0
|
Rhagfyr 2004
|
136803.0
|
127235.0
|
101187.0
|
Ionawr 2005
|
134421.0
|
124809.0
|
99676.0
|
Chwefror 2005
|
139017.0
|
129083.0
|
103209.0
|
Mawrth 2005
|
140277.0
|
130291.0
|
104082.0
|
Ebrill 2005
|
141038.0
|
131188.0
|
104867.0
|
Mai 2005
|
138752.0
|
128864.0
|
103335.0
|
Mehefin 2005
|
139729.0
|
129714.0
|
104454.0
|
Gorffennaf 2005
|
142756.0
|
132495.0
|
106702.0
|
Awst 2005
|
144203.0
|
133685.0
|
107893.0
|
Medi 2005
|
145043.0
|
134287.0
|
108504.0
|
Hydref 2005
|
144964.0
|
133982.0
|
108603.0
|
Tachwedd 2005
|
145092.0
|
134190.0
|
108824.0
|
Rhagfyr 2005
|
145332.0
|
134321.0
|
109240.0
|
Ionawr 2006
|
146136.0
|
134989.0
|
110096.0
|
Chwefror 2006
|
145454.0
|
134315.0
|
109865.0
|
Mawrth 2006
|
145325.0
|
134316.0
|
109688.0
|
Ebrill 2006
|
146885.0
|
135883.0
|
110986.0
|
Mai 2006
|
149742.0
|
138574.0
|
113121.0
|
Mehefin 2006
|
151725.0
|
140481.0
|
114837.0
|
Gorffennaf 2006
|
152348.0
|
140944.0
|
115555.0
|
Awst 2006
|
153451.0
|
141961.0
|
116457.0
|
Medi 2006
|
155453.0
|
143759.0
|
117831.0
|
Hydref 2006
|
155462.0
|
143744.0
|
117596.0
|
Tachwedd 2006
|
154988.0
|
143327.0
|
117268.0
|
Rhagfyr 2006
|
154877.0
|
143194.0
|
117560.0
|
Ionawr 2007
|
156463.0
|
144644.0
|
118922.0
|
Chwefror 2007
|
156354.0
|
144487.0
|
118861.0
|
Mawrth 2007
|
155406.0
|
143619.0
|
118186.0
|
Ebrill 2007
|
156177.0
|
144363.0
|
119068.0
|
Mai 2007
|
158073.0
|
146081.0
|
120845.0
|
Mehefin 2007
|
160018.0
|
147731.0
|
122402.0
|
Gorffennaf 2007
|
162727.0
|
150082.0
|
124356.0
|
Awst 2007
|
162781.0
|
150049.0
|
124323.0
|
Medi 2007
|
163619.0
|
150757.0
|
124750.0
|
Hydref 2007
|
161784.0
|
149002.0
|
123194.0
|
Tachwedd 2007
|
163755.0
|
150691.0
|
124471.0
|
Rhagfyr 2007
|
163674.0
|
150494.0
|
124433.0
|
Ionawr 2008
|
164469.0
|
151093.0
|
124987.0
|
Chwefror 2008
|
163163.0
|
149906.0
|
124044.0
|
Mawrth 2008
|
163198.0
|
150160.0
|
124153.0
|
Ebrill 2008
|
161860.0
|
148969.0
|
123332.0
|
Mai 2008
|
162651.0
|
149869.0
|
124108.0
|
Mehefin 2008
|
160017.0
|
147390.0
|
122109.0
|
Gorffennaf 2008
|
159640.0
|
147277.0
|
121661.0
|
Awst 2008
|
157526.0
|
145187.0
|
119833.0
|
Medi 2008
|
158536.0
|
145842.0
|
120162.0
|
Hydref 2008
|
154809.0
|
142258.0
|
117154.0
|
Tachwedd 2008
|
153589.0
|
141181.0
|
116154.0
|
Rhagfyr 2008
|
148934.0
|
137055.0
|
112900.0
|
Ionawr 2009
|
144640.0
|
132926.0
|
109484.0
|
Chwefror 2009
|
137455.0
|
126286.0
|
103986.0
|
Mawrth 2009
|
134160.0
|
123215.0
|
101338.0
|
Ebrill 2009
|
135288.0
|
124560.0
|
102604.0
|
Mai 2009
|
138393.0
|
127556.0
|
105188.0
|
Mehefin 2009
|
140334.0
|
129472.0
|
106821.0
|
Gorffennaf 2009
|
144602.0
|
133365.0
|
110039.0
|
Awst 2009
|
145976.0
|
134573.0
|
111055.0
|
Medi 2009
|
147302.0
|
135796.0
|
112038.0
|
Hydref 2009
|
146351.0
|
135004.0
|
111226.0
|
Tachwedd 2009
|
147000.0
|
135432.0
|
111837.0
|
Rhagfyr 2009
|
147352.0
|
135954.0
|
112507.0
|
Ionawr 2010
|
146854.0
|
135469.0
|
111940.0
|
Chwefror 2010
|
144360.0
|
133424.0
|
109748.0
|
Mawrth 2010
|
144272.0
|
133098.0
|
109194.0
|
Ebrill 2010
|
145087.0
|
133923.0
|
109959.0
|
Mai 2010
|
147302.0
|
135807.0
|
111761.0
|
Mehefin 2010
|
148801.0
|
137293.0
|
113127.0
|
Gorffennaf 2010
|
149708.0
|
137954.0
|
113626.0
|
Awst 2010
|
150091.0
|
138510.0
|
113606.0
|
Medi 2010
|
149478.0
|
137810.0
|
112798.0
|
Hydref 2010
|
147780.0
|
136328.0
|
111423.0
|
Tachwedd 2010
|
147025.0
|
135409.0
|
110759.0
|
Rhagfyr 2010
|
146683.0
|
135208.0
|
110507.0
|
Ionawr 2011
|
144791.0
|
133251.0
|
108993.0
|
Chwefror 2011
|
143963.0
|
132286.0
|
108467.0
|
Mawrth 2011
|
142069.0
|
130204.0
|
106994.0
|
Ebrill 2011
|
143901.0
|
131860.0
|
108620.0
|
Mai 2011
|
144328.0
|
132442.0
|
109046.0
|
Mehefin 2011
|
144931.0
|
133376.0
|
109499.0
|
Gorffennaf 2011
|
143611.0
|
132250.0
|
108559.0
|
Awst 2011
|
144315.0
|
133038.0
|
108882.0
|
Medi 2011
|
146006.0
|
134418.0
|
110015.0
|
Hydref 2011
|
147556.0
|
135937.0
|
110775.0
|
Tachwedd 2011
|
147749.0
|
136045.0
|
110849.0
|
Rhagfyr 2011
|
146219.0
|
134807.0
|
109669.0
|
Ionawr 2012
|
145235.0
|
134035.0
|
108989.0
|
Chwefror 2012
|
142873.0
|
131805.0
|
107442.0
|
Mawrth 2012
|
142176.0
|
131189.0
|
107365.0
|
Ebrill 2012
|
140995.0
|
129946.0
|
106553.0
|
Mai 2012
|
143200.0
|
132092.0
|
108269.0
|
Mehefin 2012
|
145302.0
|
133909.0
|
109893.0
|
Gorffennaf 2012
|
144378.0
|
133002.0
|
109385.0
|
Awst 2012
|
143331.0
|
131968.0
|
108735.0
|
Medi 2012
|
141337.0
|
130058.0
|
107060.0
|
Hydref 2012
|
142328.0
|
131078.0
|
107755.0
|
Tachwedd 2012
|
141781.0
|
130559.0
|
107371.0
|
Rhagfyr 2012
|
143804.0
|
132393.0
|
108899.0
|
Ionawr 2013
|
141415.0
|
130352.0
|
106998.0
|
Chwefror 2013
|
140702.0
|
129691.0
|
106434.0
|
Mawrth 2013
|
138869.0
|
128048.0
|
104984.0
|
Ebrill 2013
|
142431.0
|
131182.0
|
107869.0
|
Mai 2013
|
142275.0
|
131077.0
|
107818.0
|
Mehefin 2013
|
145035.0
|
133745.0
|
110101.0
|
Gorffennaf 2013
|
146418.0
|
135034.0
|
111234.0
|
Awst 2013
|
148074.0
|
136628.0
|
112411.0
|
Medi 2013
|
147312.0
|
135758.0
|
111664.0
|
Hydref 2013
|
146248.0
|
134700.0
|
110578.0
|
Tachwedd 2013
|
146464.0
|
134976.0
|
110599.0
|
Rhagfyr 2013
|
145630.0
|
134499.0
|
109981.0
|
Ionawr 2014
|
145666.0
|
134503.0
|
110115.0
|
Chwefror 2014
|
145782.0
|
134380.0
|
110271.0
|
Mawrth 2014
|
146558.0
|
135063.0
|
110881.0
|
Ebrill 2014
|
148007.0
|
136402.0
|
112198.0
|
Mai 2014
|
149330.0
|
137700.0
|
113488.0
|
Mehefin 2014
|
149359.0
|
137738.0
|
113586.0
|
Gorffennaf 2014
|
149420.0
|
137854.0
|
113640.0
|
Awst 2014
|
149657.0
|
138051.0
|
113673.0
|
Medi 2014
|
149929.0
|
138198.0
|
113854.0
|
Hydref 2014
|
151740.0
|
139824.0
|
115086.0
|
Tachwedd 2014
|
152835.0
|
140911.0
|
115754.0
|
Rhagfyr 2014
|
153559.0
|
141563.0
|
116128.0
|
Ionawr 2015
|
151685.0
|
139947.0
|
114554.0
|
Chwefror 2015
|
152204.0
|
140255.0
|
114920.0
|
Mawrth 2015
|
152644.0
|
140689.0
|
115010.0
|
Ebrill 2015
|
153403.0
|
141291.0
|
115619.0
|
Mai 2015
|
153119.0
|
141210.0
|
115406.0
|
Mehefin 2015
|
152522.0
|
140782.0
|
115265.0
|
Gorffennaf 2015
|
154407.0
|
142634.0
|
116739.0
|
Awst 2015
|
156687.0
|
144748.0
|
118433.0
|
Medi 2015
|
159800.0
|
147409.0
|
120483.0
|
Hydref 2015
|
159180.0
|
146848.0
|
119922.0
|
Tachwedd 2015
|
158898.0
|
146610.0
|
119562.0
|
Rhagfyr 2015
|
157638.0
|
145506.0
|
118607.0
|
Ionawr 2016
|
157999.0
|
146009.0
|
118704.0
|
Chwefror 2016
|
159412.0
|
147319.0
|
119766.0
|
Mawrth 2016
|
160438.0
|
148256.0
|
120450.0
|
Ebrill 2016
|
161545.0
|
149037.0
|
121560.0
|
Mai 2016
|
160208.0
|
147736.0
|
120932.0
|
Mehefin 2016
|
162616.0
|
149859.0
|
123001.0
|
Gorffennaf 2016
|
163313.0
|
150525.0
|
123541.0
|
Awst 2016
|
165515.0
|
152552.0
|
125013.0
|
Medi 2016
|
165883.0
|
153088.0
|
125061.0
|
Hydref 2016
|
166133.0
|
153347.0
|
124746.0
|
Tachwedd 2016
|
165087.0
|
152340.0
|
123394.0
|
Rhagfyr 2016
|
163460.0
|
150629.0
|
122101.0
|
Ionawr 2017
|
163180.0
|
150305.0
|
121884.0
|
Chwefror 2017
|
165623.0
|
152364.0
|
123945.0
|
Mawrth 2017
|
166355.0
|
153100.0
|
124269.0
|
Ebrill 2017
|
169380.0
|
155732.0
|
126641.0
|
Mai 2017
|
169272.0
|
155928.0
|
126535.0
|
Mehefin 2017
|
172343.0
|
158743.0
|
129154.0
|
Gorffennaf 2017
|
173063.0
|
159634.0
|
129682.0
|
Awst 2017
|
174395.0
|
160721.0
|
130830.0
|
Medi 2017
|
175195.0
|
161461.0
|
131261.0
|
Hydref 2017
|
174079.0
|
160452.0
|
130291.0
|
Tachwedd 2017
|
173794.0
|
160345.0
|
129869.0
|
Rhagfyr 2017
|
173494.0
|
160201.0
|
129654.0
|
Ionawr 2018
|
174567.0
|
161284.0
|
130361.0
|
Dyddiad
|
Pob math o eiddo
|
Tai pâr
|
Tai teras
|
Ionawr 2002
|
10.0
|
10.2
|
9.8
|
Chwefror 2002
|
11.6
|
11.6
|
11.4
|
Mawrth 2002
|
14.9
|
15.0
|
14.8
|
Ebrill 2002
|
17.3
|
17.6
|
17.4
|
Mai 2002
|
19.8
|
20.3
|
19.6
|
Mehefin 2002
|
23.9
|
24.3
|
24.0
|
Gorffennaf 2002
|
27.3
|
27.6
|
27.5
|
Awst 2002
|
27.3
|
27.6
|
27.8
|
Medi 2002
|
28.8
|
29.7
|
29.2
|
Hydref 2002
|
30.7
|
31.8
|
31.1
|
Tachwedd 2002
|
34.9
|
35.8
|
35.3
|
Rhagfyr 2002
|
35.1
|
35.8
|
35.8
|
Ionawr 2003
|
38.2
|
38.6
|
39.5
|
Chwefror 2003
|
32.7
|
33.7
|
34.0
|
Mawrth 2003
|
30.6
|
31.4
|
31.8
|
Ebrill 2003
|
28.5
|
29.6
|
29.2
|
Mai 2003
|
29.7
|
30.6
|
30.7
|
Mehefin 2003
|
28.0
|
29.0
|
28.9
|
Gorffennaf 2003
|
25.0
|
26.1
|
26.1
|
Awst 2003
|
26.7
|
27.8
|
27.9
|
Medi 2003
|
24.8
|
25.8
|
26.7
|
Hydref 2003
|
24.9
|
25.5
|
27.4
|
Tachwedd 2003
|
22.3
|
23.0
|
25.0
|
Rhagfyr 2003
|
23.3
|
23.9
|
26.5
|
Ionawr 2004
|
21.6
|
22.3
|
24.4
|
Chwefror 2004
|
24.7
|
25.1
|
28.1
|
Mawrth 2004
|
26.6
|
26.9
|
30.0
|
Ebrill 2004
|
27.4
|
27.6
|
31.7
|
Mai 2004
|
27.5
|
27.8
|
32.3
|
Mehefin 2004
|
31.0
|
31.5
|
36.1
|
Gorffennaf 2004
|
32.0
|
32.4
|
37.0
|
Awst 2004
|
29.6
|
30.1
|
34.2
|
Medi 2004
|
27.1
|
27.4
|
31.2
|
Hydref 2004
|
26.8
|
27.2
|
30.7
|
Tachwedd 2004
|
25.6
|
25.8
|
29.4
|
Rhagfyr 2004
|
22.7
|
22.7
|
26.4
|
Ionawr 2005
|
18.8
|
18.6
|
22.5
|
Chwefror 2005
|
21.5
|
21.3
|
24.9
|
Mawrth 2005
|
21.1
|
21.2
|
24.3
|
Ebrill 2005
|
19.4
|
19.3
|
21.9
|
Mai 2005
|
13.5
|
13.2
|
15.3
|
Mehefin 2005
|
9.1
|
8.6
|
10.9
|
Gorffennaf 2005
|
8.3
|
7.6
|
9.9
|
Awst 2005
|
8.2
|
7.4
|
10.1
|
Medi 2005
|
7.6
|
6.9
|
9.6
|
Hydref 2005
|
6.3
|
5.5
|
8.3
|
Tachwedd 2005
|
5.5
|
4.9
|
7.5
|
Rhagfyr 2005
|
6.2
|
5.6
|
8.0
|
Ionawr 2006
|
8.7
|
8.2
|
10.4
|
Chwefror 2006
|
4.6
|
4.0
|
6.4
|
Mawrth 2006
|
3.6
|
3.1
|
5.4
|
Ebrill 2006
|
4.2
|
3.6
|
5.8
|
Mai 2006
|
7.9
|
7.5
|
9.5
|
Mehefin 2006
|
8.6
|
8.3
|
9.9
|
Gorffennaf 2006
|
6.7
|
6.4
|
8.3
|
Awst 2006
|
6.4
|
6.2
|
7.9
|
Medi 2006
|
7.2
|
7.0
|
8.6
|
Hydref 2006
|
7.2
|
7.3
|
8.3
|
Tachwedd 2006
|
6.8
|
6.8
|
7.8
|
Rhagfyr 2006
|
6.6
|
6.6
|
7.6
|
Ionawr 2007
|
7.1
|
7.2
|
8.0
|
Chwefror 2007
|
7.5
|
7.6
|
8.2
|
Mawrth 2007
|
6.9
|
6.9
|
7.8
|
Ebrill 2007
|
6.3
|
6.2
|
7.3
|
Mai 2007
|
5.6
|
5.4
|
6.8
|
Mehefin 2007
|
5.5
|
5.2
|
6.6
|
Gorffennaf 2007
|
6.8
|
6.5
|
7.6
|
Awst 2007
|
6.1
|
5.7
|
6.8
|
Medi 2007
|
5.2
|
4.9
|
5.9
|
Hydref 2007
|
4.1
|
3.7
|
4.8
|
Tachwedd 2007
|
5.7
|
5.1
|
6.1
|
Rhagfyr 2007
|
5.7
|
5.1
|
5.8
|
Ionawr 2008
|
5.1
|
4.5
|
5.1
|
Chwefror 2008
|
4.4
|
3.8
|
4.4
|
Mawrth 2008
|
5.0
|
4.6
|
5.0
|
Ebrill 2008
|
3.6
|
3.2
|
3.6
|
Mai 2008
|
2.9
|
2.6
|
2.7
|
Mehefin 2008
|
0.0
|
-0.2
|
-0.2
|
Gorffennaf 2008
|
-1.9
|
-1.9
|
-2.2
|
Awst 2008
|
-3.2
|
-3.2
|
-3.6
|
Medi 2008
|
-3.1
|
-3.3
|
-3.7
|
Hydref 2008
|
-4.3
|
-4.5
|
-4.9
|
Tachwedd 2008
|
-6.2
|
-6.3
|
-6.7
|
Rhagfyr 2008
|
-9.0
|
-8.9
|
-9.3
|
Ionawr 2009
|
-12.1
|
-12.0
|
-12.4
|
Chwefror 2009
|
-15.8
|
-15.8
|
-16.2
|
Mawrth 2009
|
-17.8
|
-17.9
|
-18.4
|
Ebrill 2009
|
-16.4
|
-16.4
|
-16.8
|
Mai 2009
|
-14.9
|
-14.9
|
-15.2
|
Mehefin 2009
|
-12.3
|
-12.2
|
-12.5
|
Gorffennaf 2009
|
-9.4
|
-9.4
|
-9.6
|
Awst 2009
|
-7.3
|
-7.3
|
-7.3
|
Medi 2009
|
-7.1
|
-6.9
|
-6.8
|
Hydref 2009
|
-5.5
|
-5.1
|
-5.1
|
Tachwedd 2009
|
-4.3
|
-4.1
|
-3.7
|
Rhagfyr 2009
|
-1.1
|
-0.8
|
-0.4
|
Ionawr 2010
|
1.5
|
1.9
|
2.2
|
Chwefror 2010
|
5.0
|
5.6
|
5.5
|
Mawrth 2010
|
7.5
|
8.0
|
7.8
|
Ebrill 2010
|
7.2
|
7.5
|
7.2
|
Mai 2010
|
6.4
|
6.5
|
6.2
|
Mehefin 2010
|
6.0
|
6.0
|
5.9
|
Gorffennaf 2010
|
3.5
|
3.4
|
3.3
|
Awst 2010
|
2.8
|
2.9
|
2.3
|
Medi 2010
|
1.5
|
1.5
|
0.7
|
Hydref 2010
|
1.0
|
1.0
|
0.2
|
Tachwedd 2010
|
0.0
|
-0.0
|
-1.0
|
Rhagfyr 2010
|
-0.4
|
-0.6
|
-1.8
|
Ionawr 2011
|
-1.4
|
-1.6
|
-2.6
|
Chwefror 2011
|
-0.3
|
-0.8
|
-1.2
|
Mawrth 2011
|
-1.5
|
-2.2
|
-2.0
|
Ebrill 2011
|
-0.8
|
-1.5
|
-1.2
|
Mai 2011
|
-2.0
|
-2.5
|
-2.4
|
Mehefin 2011
|
-2.6
|
-2.8
|
-3.2
|
Gorffennaf 2011
|
-4.1
|
-4.1
|
-4.5
|
Awst 2011
|
-3.8
|
-4.0
|
-4.2
|
Medi 2011
|
-2.3
|
-2.5
|
-2.5
|
Hydref 2011
|
-0.2
|
-0.3
|
-0.6
|
Tachwedd 2011
|
0.5
|
0.5
|
0.1
|
Rhagfyr 2011
|
-0.3
|
-0.3
|
-0.8
|
Ionawr 2012
|
0.3
|
0.6
|
0.0
|
Chwefror 2012
|
-0.8
|
-0.4
|
-1.0
|
Mawrth 2012
|
0.1
|
0.8
|
0.4
|
Ebrill 2012
|
-2.0
|
-1.4
|
-1.9
|
Mai 2012
|
-0.8
|
-0.3
|
-0.7
|
Mehefin 2012
|
0.3
|
0.4
|
0.4
|
Gorffennaf 2012
|
0.5
|
0.6
|
0.8
|
Awst 2012
|
-0.7
|
-0.8
|
-0.1
|
Medi 2012
|
-3.2
|
-3.2
|
-2.7
|
Hydref 2012
|
-3.5
|
-3.6
|
-2.7
|
Tachwedd 2012
|
-4.0
|
-4.0
|
-3.1
|
Rhagfyr 2012
|
-1.6
|
-1.8
|
-0.7
|
Ionawr 2013
|
-2.6
|
-2.8
|
-1.8
|
Chwefror 2013
|
-1.5
|
-1.6
|
-0.9
|
Mawrth 2013
|
-2.3
|
-2.4
|
-2.2
|
Ebrill 2013
|
1.0
|
1.0
|
1.2
|
Mai 2013
|
-0.6
|
-0.8
|
-0.4
|
Mehefin 2013
|
-0.2
|
-0.1
|
0.2
|
Gorffennaf 2013
|
1.4
|
1.5
|
1.7
|
Awst 2013
|
3.3
|
3.5
|
3.4
|
Medi 2013
|
4.2
|
4.4
|
4.3
|
Hydref 2013
|
2.8
|
2.8
|
2.6
|
Tachwedd 2013
|
3.3
|
3.4
|
3.0
|
Rhagfyr 2013
|
1.3
|
1.6
|
1.0
|
Ionawr 2014
|
3.0
|
3.2
|
2.9
|
Chwefror 2014
|
3.6
|
3.6
|
3.6
|
Mawrth 2014
|
5.5
|
5.5
|
5.6
|
Ebrill 2014
|
3.9
|
4.0
|
4.0
|
Mai 2014
|
5.0
|
5.0
|
5.3
|
Mehefin 2014
|
3.0
|
3.0
|
3.2
|
Gorffennaf 2014
|
2.0
|
2.1
|
2.2
|
Awst 2014
|
1.1
|
1.0
|
1.1
|
Medi 2014
|
1.8
|
1.8
|
2.0
|
Hydref 2014
|
3.8
|
3.8
|
4.1
|
Tachwedd 2014
|
4.4
|
4.4
|
4.7
|
Rhagfyr 2014
|
5.4
|
5.2
|
5.6
|
Ionawr 2015
|
4.1
|
4.0
|
4.0
|
Chwefror 2015
|
4.4
|
4.4
|
4.2
|
Mawrth 2015
|
4.2
|
4.2
|
3.7
|
Ebrill 2015
|
3.6
|
3.6
|
3.0
|
Mai 2015
|
2.5
|
2.6
|
1.7
|
Mehefin 2015
|
2.1
|
2.2
|
1.5
|
Gorffennaf 2015
|
3.3
|
3.5
|
2.7
|
Awst 2015
|
4.7
|
4.8
|
4.2
|
Medi 2015
|
6.6
|
6.7
|
5.8
|
Hydref 2015
|
4.9
|
5.0
|
4.2
|
Tachwedd 2015
|
4.0
|
4.0
|
3.3
|
Rhagfyr 2015
|
2.7
|
2.8
|
2.1
|
Ionawr 2016
|
4.2
|
4.3
|
3.6
|
Chwefror 2016
|
4.7
|
5.0
|
4.2
|
Mawrth 2016
|
5.1
|
5.4
|
4.7
|
Ebrill 2016
|
5.3
|
5.5
|
5.1
|
Mai 2016
|
4.6
|
4.6
|
4.8
|
Mehefin 2016
|
6.6
|
6.4
|
6.7
|
Gorffennaf 2016
|
5.8
|
5.5
|
5.8
|
Awst 2016
|
5.6
|
5.4
|
5.6
|
Medi 2016
|
3.8
|
3.8
|
3.8
|
Hydref 2016
|
4.4
|
4.4
|
4.0
|
Tachwedd 2016
|
3.9
|
3.9
|
3.2
|
Rhagfyr 2016
|
3.7
|
3.5
|
3.0
|
Ionawr 2017
|
3.3
|
2.9
|
2.7
|
Chwefror 2017
|
3.9
|
3.4
|
3.5
|
Mawrth 2017
|
3.7
|
3.3
|
3.2
|
Ebrill 2017
|
4.3
|
4.3
|
3.6
|
Mai 2017
|
5.3
|
5.3
|
4.3
|
Mehefin 2017
|
6.0
|
5.9
|
5.0
|
Gorffennaf 2017
|
6.0
|
6.0
|
5.0
|
Awst 2017
|
5.4
|
5.4
|
4.6
|
Medi 2017
|
5.6
|
5.5
|
5.0
|
Hydref 2017
|
4.8
|
4.6
|
4.4
|
Tachwedd 2017
|
5.3
|
5.2
|
5.2
|
Rhagfyr 2017
|
6.1
|
6.4
|
6.2
|
Ionawr 2018
|
7.0
|
7.3
|
7.0
|
Dyddiad
|
Pob math o eiddo
|
Tai pâr
|
Tai teras
|
Ionawr 2002
|
0.7
|
0.7
|
0.6
|
Chwefror 2002
|
2.6
|
2.4
|
2.8
|
Mawrth 2002
|
1.3
|
1.3
|
1.5
|
Ebrill 2002
|
3.1
|
3.1
|
3.4
|
Mai 2002
|
2.4
|
2.7
|
2.6
|
Mehefin 2002
|
3.3
|
3.2
|
3.5
|
Gorffennaf 2002
|
4.7
|
4.7
|
4.7
|
Awst 2002
|
1.6
|
1.5
|
1.6
|
Medi 2002
|
4.6
|
4.8
|
4.3
|
Hydref 2002
|
1.3
|
1.5
|
1.2
|
Tachwedd 2002
|
4.0
|
4.0
|
3.8
|
Rhagfyr 2002
|
1.0
|
1.2
|
1.2
|
Ionawr 2003
|
3.0
|
2.8
|
3.3
|
Chwefror 2003
|
-1.4
|
-1.2
|
-1.3
|
Mawrth 2003
|
-0.3
|
-0.4
|
-0.2
|
Ebrill 2003
|
1.4
|
1.7
|
1.4
|
Mai 2003
|
3.4
|
3.4
|
3.7
|
Mehefin 2003
|
2.0
|
2.0
|
2.1
|
Gorffennaf 2003
|
2.2
|
2.3
|
2.4
|
Awst 2003
|
3.0
|
2.9
|
3.1
|
Medi 2003
|
3.0
|
3.1
|
3.3
|
Hydref 2003
|
1.4
|
1.3
|
1.7
|
Tachwedd 2003
|
1.8
|
1.8
|
1.9
|
Rhagfyr 2003
|
1.8
|
1.9
|
2.3
|
Ionawr 2004
|
1.5
|
1.5
|
1.7
|
Chwefror 2004
|
1.1
|
1.1
|
1.6
|
Mawrth 2004
|
1.2
|
1.0
|
1.4
|
Ebrill 2004
|
2.0
|
2.3
|
2.8
|
Mai 2004
|
3.4
|
3.5
|
4.1
|
Mehefin 2004
|
4.8
|
4.9
|
5.1
|
Gorffennaf 2004
|
3.0
|
3.0
|
3.1
|
Awst 2004
|
1.1
|
1.1
|
1.0
|
Medi 2004
|
1.0
|
0.9
|
1.0
|
Hydref 2004
|
1.2
|
1.1
|
1.3
|
Tachwedd 2004
|
0.8
|
0.7
|
0.9
|
Rhagfyr 2004
|
-0.5
|
-0.6
|
-0.0
|
Ionawr 2005
|
-1.7
|
-1.9
|
-1.5
|
Chwefror 2005
|
3.4
|
3.4
|
3.5
|
Mawrth 2005
|
0.9
|
0.9
|
0.8
|
Ebrill 2005
|
0.5
|
0.7
|
0.8
|
Mai 2005
|
-1.6
|
-1.8
|
-1.5
|
Mehefin 2005
|
0.7
|
0.7
|
1.1
|
Gorffennaf 2005
|
2.2
|
2.1
|
2.2
|
Awst 2005
|
1.0
|
0.9
|
1.1
|
Medi 2005
|
0.6
|
0.4
|
0.6
|
Hydref 2005
|
-0.1
|
-0.2
|
0.1
|
Tachwedd 2005
|
0.1
|
0.2
|
0.2
|
Rhagfyr 2005
|
0.2
|
0.1
|
0.4
|
Ionawr 2006
|
0.6
|
0.5
|
0.8
|
Chwefror 2006
|
-0.5
|
-0.5
|
-0.2
|
Mawrth 2006
|
-0.1
|
0.0
|
-0.2
|
Ebrill 2006
|
1.1
|
1.2
|
1.2
|
Mai 2006
|
2.0
|
2.0
|
1.9
|
Mehefin 2006
|
1.3
|
1.4
|
1.5
|
Gorffennaf 2006
|
0.4
|
0.3
|
0.6
|
Awst 2006
|
0.7
|
0.7
|
0.8
|
Medi 2006
|
1.3
|
1.3
|
1.2
|
Hydref 2006
|
0.0
|
-0.0
|
-0.2
|
Tachwedd 2006
|
-0.3
|
-0.3
|
-0.3
|
Rhagfyr 2006
|
-0.1
|
-0.1
|
0.2
|
Ionawr 2007
|
1.0
|
1.0
|
1.2
|
Chwefror 2007
|
-0.1
|
-0.1
|
-0.1
|
Mawrth 2007
|
-0.6
|
-0.6
|
-0.6
|
Ebrill 2007
|
0.5
|
0.5
|
0.8
|
Mai 2007
|
1.2
|
1.2
|
1.5
|
Mehefin 2007
|
1.2
|
1.1
|
1.3
|
Gorffennaf 2007
|
1.7
|
1.6
|
1.6
|
Awst 2007
|
0.0
|
-0.0
|
-0.0
|
Medi 2007
|
0.5
|
0.5
|
0.3
|
Hydref 2007
|
-1.1
|
-1.2
|
-1.2
|
Tachwedd 2007
|
1.2
|
1.1
|
1.0
|
Rhagfyr 2007
|
-0.1
|
-0.1
|
-0.0
|
Ionawr 2008
|
0.5
|
0.4
|
0.4
|
Chwefror 2008
|
-0.8
|
-0.8
|
-0.8
|
Mawrth 2008
|
0.0
|
0.2
|
0.1
|
Ebrill 2008
|
-0.8
|
-0.8
|
-0.7
|
Mai 2008
|
0.5
|
0.6
|
0.6
|
Mehefin 2008
|
-1.6
|
-1.6
|
-1.6
|
Gorffennaf 2008
|
-0.2
|
-0.1
|
-0.4
|
Awst 2008
|
-1.3
|
-1.4
|
-1.5
|
Medi 2008
|
0.6
|
0.4
|
0.3
|
Hydref 2008
|
-2.4
|
-2.5
|
-2.5
|
Tachwedd 2008
|
-0.8
|
-0.8
|
-0.8
|
Rhagfyr 2008
|
-3.0
|
-2.9
|
-2.8
|
Ionawr 2009
|
-2.9
|
-3.0
|
-3.0
|
Chwefror 2009
|
-5.0
|
-5.0
|
-5.0
|
Mawrth 2009
|
-2.4
|
-2.4
|
-2.6
|
Ebrill 2009
|
0.8
|
1.1
|
1.2
|
Mai 2009
|
2.3
|
2.4
|
2.5
|
Mehefin 2009
|
1.4
|
1.5
|
1.6
|
Gorffennaf 2009
|
3.0
|
3.0
|
3.0
|
Awst 2009
|
1.0
|
0.9
|
0.9
|
Medi 2009
|
0.9
|
0.9
|
0.9
|
Hydref 2009
|
-0.6
|
-0.6
|
-0.7
|
Tachwedd 2009
|
0.4
|
0.3
|
0.6
|
Rhagfyr 2009
|
0.2
|
0.4
|
0.6
|
Ionawr 2010
|
-0.3
|
-0.4
|
-0.5
|
Chwefror 2010
|
-1.7
|
-1.5
|
-2.0
|
Mawrth 2010
|
-0.1
|
-0.2
|
-0.5
|
Ebrill 2010
|
0.6
|
0.6
|
0.7
|
Mai 2010
|
1.5
|
1.4
|
1.6
|
Mehefin 2010
|
1.0
|
1.1
|
1.2
|
Gorffennaf 2010
|
0.6
|
0.5
|
0.4
|
Awst 2010
|
0.3
|
0.4
|
-0.0
|
Medi 2010
|
-0.4
|
-0.5
|
-0.7
|
Hydref 2010
|
-1.1
|
-1.1
|
-1.2
|
Tachwedd 2010
|
-0.5
|
-0.7
|
-0.6
|
Rhagfyr 2010
|
-0.2
|
-0.2
|
-0.2
|
Ionawr 2011
|
-1.3
|
-1.4
|
-1.4
|
Chwefror 2011
|
-0.6
|
-0.7
|
-0.5
|
Mawrth 2011
|
-1.3
|
-1.6
|
-1.4
|
Ebrill 2011
|
1.3
|
1.3
|
1.5
|
Mai 2011
|
0.3
|
0.4
|
0.4
|
Mehefin 2011
|
0.4
|
0.7
|
0.4
|
Gorffennaf 2011
|
-0.9
|
-0.8
|
-0.9
|
Awst 2011
|
0.5
|
0.6
|
0.3
|
Medi 2011
|
1.2
|
1.0
|
1.0
|
Hydref 2011
|
1.1
|
1.1
|
0.7
|
Tachwedd 2011
|
0.1
|
0.1
|
0.1
|
Rhagfyr 2011
|
-1.0
|
-0.9
|
-1.1
|
Ionawr 2012
|
-0.7
|
-0.6
|
-0.6
|
Chwefror 2012
|
-1.6
|
-1.7
|
-1.4
|
Mawrth 2012
|
-0.5
|
-0.5
|
-0.1
|
Ebrill 2012
|
-0.8
|
-1.0
|
-0.8
|
Mai 2012
|
1.6
|
1.6
|
1.6
|
Mehefin 2012
|
1.5
|
1.4
|
1.5
|
Gorffennaf 2012
|
-0.6
|
-0.7
|
-0.5
|
Awst 2012
|
-0.7
|
-0.8
|
-0.6
|
Medi 2012
|
-1.4
|
-1.4
|
-1.5
|
Hydref 2012
|
0.7
|
0.8
|
0.6
|
Tachwedd 2012
|
-0.4
|
-0.4
|
-0.4
|
Rhagfyr 2012
|
1.4
|
1.4
|
1.4
|
Ionawr 2013
|
-1.7
|
-1.5
|
-1.8
|
Chwefror 2013
|
-0.5
|
-0.5
|
-0.5
|
Mawrth 2013
|
-1.3
|
-1.3
|
-1.4
|
Ebrill 2013
|
2.6
|
2.4
|
2.8
|
Mai 2013
|
-0.1
|
-0.1
|
-0.1
|
Mehefin 2013
|
1.9
|
2.0
|
2.1
|
Gorffennaf 2013
|
1.0
|
1.0
|
1.0
|
Awst 2013
|
1.1
|
1.2
|
1.1
|
Medi 2013
|
-0.5
|
-0.6
|
-0.7
|
Hydref 2013
|
-0.7
|
-0.8
|
-1.0
|
Tachwedd 2013
|
0.2
|
0.2
|
0.0
|
Rhagfyr 2013
|
-0.6
|
-0.4
|
-0.6
|
Ionawr 2014
|
0.0
|
0.0
|
0.1
|
Chwefror 2014
|
0.1
|
-0.1
|
0.1
|
Mawrth 2014
|
0.5
|
0.5
|
0.6
|
Ebrill 2014
|
1.0
|
1.0
|
1.2
|
Mai 2014
|
0.9
|
1.0
|
1.2
|
Mehefin 2014
|
0.0
|
0.0
|
0.1
|
Gorffennaf 2014
|
0.0
|
0.1
|
0.1
|
Awst 2014
|
0.2
|
0.1
|
0.0
|
Medi 2014
|
0.2
|
0.1
|
0.2
|
Hydref 2014
|
1.2
|
1.2
|
1.1
|
Tachwedd 2014
|
0.7
|
0.8
|
0.6
|
Rhagfyr 2014
|
0.5
|
0.5
|
0.3
|
Ionawr 2015
|
-1.2
|
-1.1
|
-1.4
|
Chwefror 2015
|
0.3
|
0.2
|
0.3
|
Mawrth 2015
|
0.3
|
0.3
|
0.1
|
Ebrill 2015
|
0.5
|
0.4
|
0.5
|
Mai 2015
|
-0.2
|
-0.1
|
-0.2
|
Mehefin 2015
|
-0.4
|
-0.3
|
-0.1
|
Gorffennaf 2015
|
1.2
|
1.3
|
1.3
|
Awst 2015
|
1.5
|
1.5
|
1.4
|
Medi 2015
|
2.0
|
1.8
|
1.7
|
Hydref 2015
|
-0.4
|
-0.4
|
-0.5
|
Tachwedd 2015
|
-0.2
|
-0.2
|
-0.3
|
Rhagfyr 2015
|
-0.8
|
-0.8
|
-0.8
|
Ionawr 2016
|
0.2
|
0.4
|
0.1
|
Chwefror 2016
|
0.9
|
0.9
|
0.9
|
Mawrth 2016
|
0.6
|
0.6
|
0.6
|
Ebrill 2016
|
0.7
|
0.5
|
0.9
|
Mai 2016
|
-0.8
|
-0.9
|
-0.5
|
Mehefin 2016
|
1.5
|
1.4
|
1.7
|
Gorffennaf 2016
|
0.4
|
0.4
|
0.4
|
Awst 2016
|
1.4
|
1.4
|
1.2
|
Medi 2016
|
0.2
|
0.4
|
0.0
|
Hydref 2016
|
0.2
|
0.2
|
-0.2
|
Tachwedd 2016
|
-0.6
|
-0.7
|
-1.1
|
Rhagfyr 2016
|
-1.0
|
-1.1
|
-1.0
|
Ionawr 2017
|
-0.2
|
-0.2
|
-0.2
|
Chwefror 2017
|
1.5
|
1.4
|
1.7
|
Mawrth 2017
|
0.4
|
0.5
|
0.3
|
Ebrill 2017
|
1.8
|
1.7
|
1.9
|
Mai 2017
|
-0.1
|
0.1
|
-0.1
|
Mehefin 2017
|
1.8
|
1.8
|
2.1
|
Gorffennaf 2017
|
0.4
|
0.6
|
0.4
|
Awst 2017
|
0.8
|
0.7
|
0.9
|
Medi 2017
|
0.5
|
0.5
|
0.3
|
Hydref 2017
|
-0.6
|
-0.6
|
-0.7
|
Tachwedd 2017
|
-0.2
|
-0.1
|
-0.3
|
Rhagfyr 2017
|
-0.2
|
-0.1
|
-0.2
|
Ionawr 2018
|
0.6
|
0.7
|
0.6
|
Dyddiad
|
Pob math o eiddo
|
Tai pâr
|
Tai teras
|
Ionawr 2002
|
44.4
|
44.4
|
40.9
|
Chwefror 2002
|
45.6
|
45.5
|
42.0
|
Mawrth 2002
|
46.2
|
46.1
|
42.7
|
Ebrill 2002
|
47.6
|
47.5
|
44.1
|
Mai 2002
|
48.7
|
48.8
|
45.2
|
Mehefin 2002
|
50.4
|
50.3
|
46.8
|
Gorffennaf 2002
|
52.7
|
52.7
|
49.1
|
Awst 2002
|
53.6
|
53.5
|
49.8
|
Medi 2002
|
56.0
|
56.0
|
52.0
|
Hydref 2002
|
56.8
|
56.9
|
52.6
|
Tachwedd 2002
|
59.0
|
59.1
|
54.6
|
Rhagfyr 2002
|
59.6
|
59.8
|
55.2
|
Ionawr 2003
|
61.4
|
61.5
|
57.1
|
Chwefror 2003
|
60.5
|
60.8
|
56.3
|
Mawrth 2003
|
60.3
|
60.6
|
56.2
|
Ebrill 2003
|
61.1
|
61.6
|
57.0
|
Mai 2003
|
63.2
|
63.7
|
59.1
|
Mehefin 2003
|
64.4
|
64.9
|
60.4
|
Gorffennaf 2003
|
65.9
|
66.4
|
61.8
|
Awst 2003
|
67.8
|
68.4
|
63.8
|
Medi 2003
|
69.9
|
70.5
|
65.9
|
Hydref 2003
|
70.9
|
71.4
|
67.0
|
Tachwedd 2003
|
72.2
|
72.7
|
68.3
|
Rhagfyr 2003
|
73.5
|
74.1
|
69.9
|
Ionawr 2004
|
74.6
|
75.2
|
71.0
|
Chwefror 2004
|
75.4
|
76.0
|
72.1
|
Mawrth 2004
|
76.3
|
76.8
|
73.1
|
Ebrill 2004
|
77.9
|
78.6
|
75.1
|
Mai 2004
|
80.6
|
81.4
|
78.2
|
Mehefin 2004
|
84.4
|
85.4
|
82.2
|
Gorffennaf 2004
|
86.9
|
88.0
|
84.7
|
Awst 2004
|
87.9
|
89.0
|
85.6
|
Medi 2004
|
88.8
|
89.8
|
86.4
|
Hydref 2004
|
89.9
|
90.8
|
87.5
|
Tachwedd 2004
|
90.6
|
91.4
|
88.4
|
Rhagfyr 2004
|
90.2
|
90.9
|
88.3
|
Ionawr 2005
|
88.6
|
89.2
|
87.0
|
Chwefror 2005
|
91.6
|
92.2
|
90.1
|
Mawrth 2005
|
92.5
|
93.1
|
90.9
|
Ebrill 2005
|
93.0
|
93.7
|
91.5
|
Mai 2005
|
91.5
|
92.1
|
90.2
|
Mehefin 2005
|
92.1
|
92.7
|
91.2
|
Gorffennaf 2005
|
94.1
|
94.7
|
93.2
|
Awst 2005
|
95.1
|
95.5
|
94.2
|
Medi 2005
|
95.6
|
96.0
|
94.7
|
Hydref 2005
|
95.6
|
95.7
|
94.8
|
Tachwedd 2005
|
95.6
|
95.9
|
95.0
|
Rhagfyr 2005
|
95.8
|
96.0
|
95.4
|
Ionawr 2006
|
96.3
|
96.5
|
96.1
|
Chwefror 2006
|
95.9
|
96.0
|
95.9
|
Mawrth 2006
|
95.8
|
96.0
|
95.8
|
Ebrill 2006
|
96.8
|
97.1
|
96.9
|
Mai 2006
|
98.7
|
99.0
|
98.8
|
Mehefin 2006
|
100.0
|
100.4
|
100.2
|
Gorffennaf 2006
|
100.4
|
100.7
|
100.9
|
Awst 2006
|
101.2
|
101.4
|
101.7
|
Medi 2006
|
102.5
|
102.7
|
102.9
|
Hydref 2006
|
102.5
|
102.7
|
102.7
|
Tachwedd 2006
|
102.2
|
102.4
|
102.4
|
Rhagfyr 2006
|
102.1
|
102.3
|
102.6
|
Ionawr 2007
|
103.2
|
103.4
|
103.8
|
Chwefror 2007
|
103.1
|
103.2
|
103.8
|
Mawrth 2007
|
102.4
|
102.6
|
103.2
|
Ebrill 2007
|
103.0
|
103.2
|
103.9
|
Mai 2007
|
104.2
|
104.4
|
105.5
|
Mehefin 2007
|
105.5
|
105.6
|
106.8
|
Gorffennaf 2007
|
107.3
|
107.2
|
108.6
|
Awst 2007
|
107.3
|
107.2
|
108.5
|
Medi 2007
|
107.9
|
107.7
|
108.9
|
Hydref 2007
|
106.7
|
106.5
|
107.5
|
Tachwedd 2007
|
108.0
|
107.7
|
108.7
|
Rhagfyr 2007
|
107.9
|
107.5
|
108.6
|
Ionawr 2008
|
108.4
|
108.0
|
109.1
|
Chwefror 2008
|
107.6
|
107.1
|
108.3
|
Mawrth 2008
|
107.6
|
107.3
|
108.4
|
Ebrill 2008
|
106.7
|
106.4
|
107.7
|
Mai 2008
|
107.2
|
107.1
|
108.3
|
Mehefin 2008
|
105.5
|
105.3
|
106.6
|
Gorffennaf 2008
|
105.2
|
105.2
|
106.2
|
Awst 2008
|
103.8
|
103.7
|
104.6
|
Medi 2008
|
104.5
|
104.2
|
104.9
|
Hydref 2008
|
102.1
|
101.6
|
102.3
|
Tachwedd 2008
|
101.3
|
100.9
|
101.4
|
Rhagfyr 2008
|
98.2
|
97.9
|
98.6
|
Ionawr 2009
|
95.4
|
95.0
|
95.6
|
Chwefror 2009
|
90.6
|
90.2
|
90.8
|
Mawrth 2009
|
88.4
|
88.0
|
88.5
|
Ebrill 2009
|
89.2
|
89.0
|
89.6
|
Mai 2009
|
91.2
|
91.2
|
91.8
|
Mehefin 2009
|
92.5
|
92.5
|
93.2
|
Gorffennaf 2009
|
95.3
|
95.3
|
96.1
|
Awst 2009
|
96.2
|
96.2
|
97.0
|
Medi 2009
|
97.1
|
97.0
|
97.8
|
Hydref 2009
|
96.5
|
96.5
|
97.1
|
Tachwedd 2009
|
96.9
|
96.8
|
97.6
|
Rhagfyr 2009
|
97.1
|
97.2
|
98.2
|
Ionawr 2010
|
96.8
|
96.8
|
97.7
|
Chwefror 2010
|
95.2
|
95.3
|
95.8
|
Mawrth 2010
|
95.1
|
95.1
|
95.3
|
Ebrill 2010
|
95.6
|
95.7
|
96.0
|
Mai 2010
|
97.1
|
97.0
|
97.6
|
Mehefin 2010
|
98.1
|
98.1
|
98.8
|
Gorffennaf 2010
|
98.7
|
98.6
|
99.2
|
Awst 2010
|
99.0
|
99.0
|
99.2
|
Medi 2010
|
98.6
|
98.5
|
98.5
|
Hydref 2010
|
97.4
|
97.4
|
97.3
|
Tachwedd 2010
|
96.9
|
96.8
|
96.7
|
Rhagfyr 2010
|
96.7
|
96.6
|
96.5
|
Ionawr 2011
|
95.5
|
95.2
|
95.2
|
Chwefror 2011
|
94.9
|
94.5
|
94.7
|
Mawrth 2011
|
93.7
|
93.0
|
93.4
|
Ebrill 2011
|
94.9
|
94.2
|
94.8
|
Mai 2011
|
95.2
|
94.6
|
95.2
|
Mehefin 2011
|
95.6
|
95.3
|
95.6
|
Gorffennaf 2011
|
94.7
|
94.5
|
94.8
|
Awst 2011
|
95.1
|
95.1
|
95.0
|
Medi 2011
|
96.3
|
96.0
|
96.0
|
Hydref 2011
|
97.3
|
97.1
|
96.7
|
Tachwedd 2011
|
97.4
|
97.2
|
96.8
|
Rhagfyr 2011
|
96.4
|
96.3
|
95.7
|
Ionawr 2012
|
95.8
|
95.8
|
95.1
|
Chwefror 2012
|
94.2
|
94.2
|
93.8
|
Mawrth 2012
|
93.7
|
93.7
|
93.7
|
Ebrill 2012
|
93.0
|
92.8
|
93.0
|
Mai 2012
|
94.4
|
94.4
|
94.5
|
Mehefin 2012
|
95.8
|
95.7
|
95.9
|
Gorffennaf 2012
|
95.2
|
95.0
|
95.5
|
Awst 2012
|
94.5
|
94.3
|
94.9
|
Medi 2012
|
93.2
|
92.9
|
93.5
|
Hydref 2012
|
93.8
|
93.7
|
94.1
|
Tachwedd 2012
|
93.5
|
93.3
|
93.7
|
Rhagfyr 2012
|
94.8
|
94.6
|
95.1
|
Ionawr 2013
|
93.2
|
93.1
|
93.4
|
Chwefror 2013
|
92.8
|
92.7
|
92.9
|
Mawrth 2013
|
91.6
|
91.5
|
91.6
|
Ebrill 2013
|
93.9
|
93.7
|
94.2
|
Mai 2013
|
93.8
|
93.7
|
94.1
|
Mehefin 2013
|
95.6
|
95.6
|
96.1
|
Gorffennaf 2013
|
96.5
|
96.5
|
97.1
|
Awst 2013
|
97.6
|
97.6
|
98.1
|
Medi 2013
|
97.1
|
97.0
|
97.5
|
Hydref 2013
|
96.4
|
96.2
|
96.5
|
Tachwedd 2013
|
96.6
|
96.4
|
96.6
|
Rhagfyr 2013
|
96.0
|
96.1
|
96.0
|
Ionawr 2014
|
96.0
|
96.1
|
96.1
|
Chwefror 2014
|
96.1
|
96.0
|
96.3
|
Mawrth 2014
|
96.6
|
96.5
|
96.8
|
Ebrill 2014
|
97.6
|
97.5
|
97.9
|
Mai 2014
|
98.4
|
98.4
|
99.1
|
Mehefin 2014
|
98.5
|
98.4
|
99.2
|
Gorffennaf 2014
|
98.5
|
98.5
|
99.2
|
Awst 2014
|
98.7
|
98.6
|
99.2
|
Medi 2014
|
98.8
|
98.8
|
99.4
|
Hydref 2014
|
100.0
|
99.9
|
100.5
|
Tachwedd 2014
|
100.8
|
100.7
|
101.0
|
Rhagfyr 2014
|
101.2
|
101.2
|
101.4
|
Ionawr 2015
|
100.0
|
100.0
|
100.0
|
Chwefror 2015
|
100.3
|
100.2
|
100.3
|
Mawrth 2015
|
100.6
|
100.5
|
100.4
|
Ebrill 2015
|
101.1
|
101.0
|
100.9
|
Mai 2015
|
101.0
|
100.9
|
100.7
|
Mehefin 2015
|
100.6
|
100.6
|
100.6
|
Gorffennaf 2015
|
101.8
|
101.9
|
101.9
|
Awst 2015
|
103.3
|
103.4
|
103.4
|
Medi 2015
|
105.4
|
105.3
|
105.2
|
Hydref 2015
|
104.9
|
104.9
|
104.7
|
Tachwedd 2015
|
104.8
|
104.8
|
104.4
|
Rhagfyr 2015
|
103.9
|
104.0
|
103.5
|
Ionawr 2016
|
104.2
|
104.3
|
103.6
|
Chwefror 2016
|
105.1
|
105.3
|
104.6
|
Mawrth 2016
|
105.8
|
105.9
|
105.2
|
Ebrill 2016
|
106.5
|
106.5
|
106.1
|
Mai 2016
|
105.6
|
105.6
|
105.6
|
Mehefin 2016
|
107.2
|
107.1
|
107.4
|
Gorffennaf 2016
|
107.7
|
107.6
|
107.8
|
Awst 2016
|
109.1
|
109.0
|
109.1
|
Medi 2016
|
109.4
|
109.4
|
109.2
|
Hydref 2016
|
109.5
|
109.6
|
108.9
|
Tachwedd 2016
|
108.8
|
108.9
|
107.7
|
Rhagfyr 2016
|
107.8
|
107.6
|
106.6
|
Ionawr 2017
|
107.6
|
107.4
|
106.4
|
Chwefror 2017
|
109.2
|
108.9
|
108.2
|
Mawrth 2017
|
109.7
|
109.4
|
108.5
|
Ebrill 2017
|
111.7
|
111.3
|
110.6
|
Mai 2017
|
111.6
|
111.4
|
110.5
|
Mehefin 2017
|
113.6
|
113.4
|
112.8
|
Gorffennaf 2017
|
114.1
|
114.1
|
113.2
|
Awst 2017
|
115.0
|
114.8
|
114.2
|
Medi 2017
|
115.5
|
115.4
|
114.6
|
Hydref 2017
|
114.8
|
114.6
|
113.7
|
Tachwedd 2017
|
114.6
|
114.6
|
113.4
|
Rhagfyr 2017
|
114.4
|
114.5
|
113.2
|
Ionawr 2018
|
115.1
|
115.2
|
113.8
|
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
Dyddiad
|
Prynwyr am y tro cyntaf
|
Ionawr 2002
|
|
Chwefror 2002
|
|
Mawrth 2002
|
|
Ebrill 2002
|
|
Mai 2002
|
|
Mehefin 2002
|
|
Gorffennaf 2002
|
|
Awst 2002
|
|
Medi 2002
|
|
Hydref 2002
|
|
Tachwedd 2002
|
|
Rhagfyr 2002
|
|
Ionawr 2003
|
|
Chwefror 2003
|
|
Mawrth 2003
|
|
Ebrill 2003
|
|
Mai 2003
|
|
Mehefin 2003
|
|
Gorffennaf 2003
|
|
Awst 2003
|
|
Medi 2003
|
|
Hydref 2003
|
|
Tachwedd 2003
|
|
Rhagfyr 2003
|
|
Ionawr 2004
|
|
Chwefror 2004
|
|
Mawrth 2004
|
|
Ebrill 2004
|
|
Mai 2004
|
|
Mehefin 2004
|
|
Gorffennaf 2004
|
|
Awst 2004
|
|
Medi 2004
|
|
Hydref 2004
|
|
Tachwedd 2004
|
|
Rhagfyr 2004
|
|
Ionawr 2005
|
|
Chwefror 2005
|
|
Mawrth 2005
|
|
Ebrill 2005
|
|
Mai 2005
|
|
Mehefin 2005
|
|
Gorffennaf 2005
|
|
Awst 2005
|
|
Medi 2005
|
|
Hydref 2005
|
|
Tachwedd 2005
|
|
Rhagfyr 2005
|
|
Ionawr 2006
|
|
Chwefror 2006
|
|
Mawrth 2006
|
|
Ebrill 2006
|
|
Mai 2006
|
|
Mehefin 2006
|
|
Gorffennaf 2006
|
|
Awst 2006
|
|
Medi 2006
|
|
Hydref 2006
|
|
Tachwedd 2006
|
|
Rhagfyr 2006
|
|
Ionawr 2007
|
|
Chwefror 2007
|
|
Mawrth 2007
|
|
Ebrill 2007
|
|
Mai 2007
|
|
Mehefin 2007
|
|
Gorffennaf 2007
|
|
Awst 2007
|
|
Medi 2007
|
|
Hydref 2007
|
|
Tachwedd 2007
|
|
Rhagfyr 2007
|
|
Ionawr 2008
|
|
Chwefror 2008
|
|
Mawrth 2008
|
|
Ebrill 2008
|
|
Mai 2008
|
|
Mehefin 2008
|
|
Gorffennaf 2008
|
|
Awst 2008
|
|
Medi 2008
|
|
Hydref 2008
|
|
Tachwedd 2008
|
|
Rhagfyr 2008
|
|
Ionawr 2009
|
|
Chwefror 2009
|
|
Mawrth 2009
|
|
Ebrill 2009
|
|
Mai 2009
|
|
Mehefin 2009
|
|
Gorffennaf 2009
|
|
Awst 2009
|
|
Medi 2009
|
|
Hydref 2009
|
|
Tachwedd 2009
|
|
Rhagfyr 2009
|
|
Ionawr 2010
|
|
Chwefror 2010
|
|
Mawrth 2010
|
|
Ebrill 2010
|
|
Mai 2010
|
|
Mehefin 2010
|
|
Gorffennaf 2010
|
|
Awst 2010
|
|
Medi 2010
|
|
Hydref 2010
|
|
Tachwedd 2010
|
|
Rhagfyr 2010
|
|
Ionawr 2011
|
|
Chwefror 2011
|
|
Mawrth 2011
|
|
Ebrill 2011
|
|
Mai 2011
|
|
Mehefin 2011
|
|
Gorffennaf 2011
|
|
Awst 2011
|
|
Medi 2011
|
|
Hydref 2011
|
|
Tachwedd 2011
|
|
Rhagfyr 2011
|
|
Ionawr 2012
|
119695.0
|
Chwefror 2012
|
118228.0
|
Mawrth 2012
|
118073.0
|
Ebrill 2012
|
117121.0
|
Mai 2012
|
119053.0
|
Mehefin 2012
|
120607.0
|
Gorffennaf 2012
|
119816.0
|
Awst 2012
|
118893.0
|
Medi 2012
|
117204.0
|
Hydref 2012
|
118071.0
|
Tachwedd 2012
|
117677.0
|
Rhagfyr 2012
|
119341.0
|
Ionawr 2013
|
117333.0
|
Chwefror 2013
|
116687.0
|
Mawrth 2013
|
115149.0
|
Ebrill 2013
|
118142.0
|
Mai 2013
|
118013.0
|
Mehefin 2013
|
120320.0
|
Gorffennaf 2013
|
121456.0
|
Awst 2013
|
122758.0
|
Medi 2013
|
122066.0
|
Hydref 2013
|
121112.0
|
Tachwedd 2013
|
121357.0
|
Rhagfyr 2013
|
120772.0
|
Ionawr 2014
|
120857.0
|
Chwefror 2014
|
120985.0
|
Mawrth 2014
|
121705.0
|
Ebrill 2014
|
122997.0
|
Mai 2014
|
124181.0
|
Mehefin 2014
|
124223.0
|
Gorffennaf 2014
|
124267.0
|
Awst 2014
|
124348.0
|
Medi 2014
|
124494.0
|
Hydref 2014
|
126000.0
|
Tachwedd 2014
|
126957.0
|
Rhagfyr 2014
|
127556.0
|
Ionawr 2015
|
125941.0
|
Chwefror 2015
|
126257.0
|
Mawrth 2015
|
126487.0
|
Ebrill 2015
|
127130.0
|
Mai 2015
|
126969.0
|
Mehefin 2015
|
126618.0
|
Gorffennaf 2015
|
128179.0
|
Awst 2015
|
130042.0
|
Medi 2015
|
132463.0
|
Hydref 2015
|
131985.0
|
Tachwedd 2015
|
131709.0
|
Rhagfyr 2015
|
130702.0
|
Ionawr 2016
|
130922.0
|
Chwefror 2016
|
132133.0
|
Mawrth 2016
|
132941.0
|
Ebrill 2016
|
133989.0
|
Mai 2016
|
133086.0
|
Mehefin 2016
|
135242.0
|
Gorffennaf 2016
|
135773.0
|
Awst 2016
|
137510.0
|
Medi 2016
|
137716.0
|
Hydref 2016
|
137810.0
|
Tachwedd 2016
|
136751.0
|
Rhagfyr 2016
|
135413.0
|
Ionawr 2017
|
135164.0
|
Chwefror 2017
|
137285.0
|
Mawrth 2017
|
137819.0
|
Ebrill 2017
|
140362.0
|
Mai 2017
|
140356.0
|
Mehefin 2017
|
142982.0
|
Gorffennaf 2017
|
143620.0
|
Awst 2017
|
144586.0
|
Medi 2017
|
145145.0
|
Hydref 2017
|
144130.0
|
Tachwedd 2017
|
143930.0
|
Rhagfyr 2017
|
143759.0
|
Ionawr 2018
|
144651.0
|
Dyddiad
|
Prynwyr am y tro cyntaf
|
Ionawr 2002
|
|
Chwefror 2002
|
|
Mawrth 2002
|
|
Ebrill 2002
|
|
Mai 2002
|
|
Mehefin 2002
|
|
Gorffennaf 2002
|
|
Awst 2002
|
|
Medi 2002
|
|
Hydref 2002
|
|
Tachwedd 2002
|
|
Rhagfyr 2002
|
|
Ionawr 2003
|
|
Chwefror 2003
|
|
Mawrth 2003
|
|
Ebrill 2003
|
|
Mai 2003
|
|
Mehefin 2003
|
|
Gorffennaf 2003
|
|
Awst 2003
|
|
Medi 2003
|
|
Hydref 2003
|
|
Tachwedd 2003
|
|
Rhagfyr 2003
|
|
Ionawr 2004
|
|
Chwefror 2004
|
|
Mawrth 2004
|
|
Ebrill 2004
|
|
Mai 2004
|
|
Mehefin 2004
|
|
Gorffennaf 2004
|
|
Awst 2004
|
|
Medi 2004
|
|
Hydref 2004
|
|
Tachwedd 2004
|
|
Rhagfyr 2004
|
|
Ionawr 2005
|
|
Chwefror 2005
|
|
Mawrth 2005
|
|
Ebrill 2005
|
|
Mai 2005
|
|
Mehefin 2005
|
|
Gorffennaf 2005
|
|
Awst 2005
|
|
Medi 2005
|
|
Hydref 2005
|
|
Tachwedd 2005
|
|
Rhagfyr 2005
|
|
Ionawr 2006
|
|
Chwefror 2006
|
|
Mawrth 2006
|
|
Ebrill 2006
|
|
Mai 2006
|
|
Mehefin 2006
|
|
Gorffennaf 2006
|
|
Awst 2006
|
|
Medi 2006
|
|
Hydref 2006
|
|
Tachwedd 2006
|
|
Rhagfyr 2006
|
|
Ionawr 2007
|
|
Chwefror 2007
|
|
Mawrth 2007
|
|
Ebrill 2007
|
|
Mai 2007
|
|
Mehefin 2007
|
|
Gorffennaf 2007
|
|
Awst 2007
|
|
Medi 2007
|
|
Hydref 2007
|
|
Tachwedd 2007
|
|
Rhagfyr 2007
|
|
Ionawr 2008
|
|
Chwefror 2008
|
|
Mawrth 2008
|
|
Ebrill 2008
|
|
Mai 2008
|
|
Mehefin 2008
|
|
Gorffennaf 2008
|
|
Awst 2008
|
|
Medi 2008
|
|
Hydref 2008
|
|
Tachwedd 2008
|
|
Rhagfyr 2008
|
|
Ionawr 2009
|
|
Chwefror 2009
|
|
Mawrth 2009
|
|
Ebrill 2009
|
|
Mai 2009
|
|
Mehefin 2009
|
|
Gorffennaf 2009
|
|
Awst 2009
|
|
Medi 2009
|
|
Hydref 2009
|
|
Tachwedd 2009
|
|
Rhagfyr 2009
|
|
Ionawr 2010
|
|
Chwefror 2010
|
|
Mawrth 2010
|
|
Ebrill 2010
|
|
Mai 2010
|
|
Mehefin 2010
|
|
Gorffennaf 2010
|
|
Awst 2010
|
|
Medi 2010
|
|
Hydref 2010
|
|
Tachwedd 2010
|
|
Rhagfyr 2010
|
|
Ionawr 2011
|
|
Chwefror 2011
|
|
Mawrth 2011
|
|
Ebrill 2011
|
|
Mai 2011
|
|
Mehefin 2011
|
|
Gorffennaf 2011
|
|
Awst 2011
|
|
Medi 2011
|
|
Hydref 2011
|
|
Tachwedd 2011
|
|
Rhagfyr 2011
|
|
Ionawr 2012
|
|
Chwefror 2012
|
|
Mawrth 2012
|
|
Ebrill 2012
|
|
Mai 2012
|
|
Mehefin 2012
|
|
Gorffennaf 2012
|
|
Awst 2012
|
|
Medi 2012
|
|
Hydref 2012
|
|
Tachwedd 2012
|
|
Rhagfyr 2012
|
|
Ionawr 2013
|
-2.0
|
Chwefror 2013
|
-1.3
|
Mawrth 2013
|
-2.5
|
Ebrill 2013
|
0.9
|
Mai 2013
|
-0.9
|
Mehefin 2013
|
-0.2
|
Gorffennaf 2013
|
1.4
|
Awst 2013
|
3.2
|
Medi 2013
|
4.2
|
Hydref 2013
|
2.6
|
Tachwedd 2013
|
3.1
|
Rhagfyr 2013
|
1.2
|
Ionawr 2014
|
3.0
|
Chwefror 2014
|
3.7
|
Mawrth 2014
|
5.7
|
Ebrill 2014
|
4.1
|
Mai 2014
|
5.2
|
Mehefin 2014
|
3.2
|
Gorffennaf 2014
|
2.3
|
Awst 2014
|
1.3
|
Medi 2014
|
2.0
|
Hydref 2014
|
4.0
|
Tachwedd 2014
|
4.6
|
Rhagfyr 2014
|
5.6
|
Ionawr 2015
|
4.2
|
Chwefror 2015
|
4.4
|
Mawrth 2015
|
3.9
|
Ebrill 2015
|
3.4
|
Mai 2015
|
2.2
|
Mehefin 2015
|
1.9
|
Gorffennaf 2015
|
3.2
|
Awst 2015
|
4.6
|
Medi 2015
|
6.4
|
Hydref 2015
|
4.8
|
Tachwedd 2015
|
3.7
|
Rhagfyr 2015
|
2.5
|
Ionawr 2016
|
4.0
|
Chwefror 2016
|
4.6
|
Mawrth 2016
|
5.1
|
Ebrill 2016
|
5.4
|
Mai 2016
|
4.8
|
Mehefin 2016
|
6.8
|
Gorffennaf 2016
|
5.9
|
Awst 2016
|
5.7
|
Medi 2016
|
4.0
|
Hydref 2016
|
4.4
|
Tachwedd 2016
|
3.8
|
Rhagfyr 2016
|
3.6
|
Ionawr 2017
|
3.2
|
Chwefror 2017
|
3.9
|
Mawrth 2017
|
3.7
|
Ebrill 2017
|
4.1
|
Mai 2017
|
5.0
|
Mehefin 2017
|
5.7
|
Gorffennaf 2017
|
5.8
|
Awst 2017
|
5.2
|
Medi 2017
|
5.4
|
Hydref 2017
|
4.6
|
Tachwedd 2017
|
5.2
|
Rhagfyr 2017
|
6.2
|
Ionawr 2018
|
7.0
|
Dyddiad
|
Prynwyr am y tro cyntaf
|
Ionawr 2002
|
|
Chwefror 2002
|
|
Mawrth 2002
|
|
Ebrill 2002
|
|
Mai 2002
|
|
Mehefin 2002
|
|
Gorffennaf 2002
|
|
Awst 2002
|
|
Medi 2002
|
|
Hydref 2002
|
|
Tachwedd 2002
|
|
Rhagfyr 2002
|
|
Ionawr 2003
|
|
Chwefror 2003
|
|
Mawrth 2003
|
|
Ebrill 2003
|
|
Mai 2003
|
|
Mehefin 2003
|
|
Gorffennaf 2003
|
|
Awst 2003
|
|
Medi 2003
|
|
Hydref 2003
|
|
Tachwedd 2003
|
|
Rhagfyr 2003
|
|
Ionawr 2004
|
|
Chwefror 2004
|
|
Mawrth 2004
|
|
Ebrill 2004
|
|
Mai 2004
|
|
Mehefin 2004
|
|
Gorffennaf 2004
|
|
Awst 2004
|
|
Medi 2004
|
|
Hydref 2004
|
|
Tachwedd 2004
|
|
Rhagfyr 2004
|
|
Ionawr 2005
|
|
Chwefror 2005
|
|
Mawrth 2005
|
|
Ebrill 2005
|
|
Mai 2005
|
|
Mehefin 2005
|
|
Gorffennaf 2005
|
|
Awst 2005
|
|
Medi 2005
|
|
Hydref 2005
|
|
Tachwedd 2005
|
|
Rhagfyr 2005
|
|
Ionawr 2006
|
|
Chwefror 2006
|
|
Mawrth 2006
|
|
Ebrill 2006
|
|
Mai 2006
|
|
Mehefin 2006
|
|
Gorffennaf 2006
|
|
Awst 2006
|
|
Medi 2006
|
|
Hydref 2006
|
|
Tachwedd 2006
|
|
Rhagfyr 2006
|
|
Ionawr 2007
|
|
Chwefror 2007
|
|
Mawrth 2007
|
|
Ebrill 2007
|
|
Mai 2007
|
|
Mehefin 2007
|
|
Gorffennaf 2007
|
|
Awst 2007
|
|
Medi 2007
|
|
Hydref 2007
|
|
Tachwedd 2007
|
|
Rhagfyr 2007
|
|
Ionawr 2008
|
|
Chwefror 2008
|
|
Mawrth 2008
|
|
Ebrill 2008
|
|
Mai 2008
|
|
Mehefin 2008
|
|
Gorffennaf 2008
|
|
Awst 2008
|
|
Medi 2008
|
|
Hydref 2008
|
|
Tachwedd 2008
|
|
Rhagfyr 2008
|
|
Ionawr 2009
|
|
Chwefror 2009
|
|
Mawrth 2009
|
|
Ebrill 2009
|
|
Mai 2009
|
|
Mehefin 2009
|
|
Gorffennaf 2009
|
|
Awst 2009
|
|
Medi 2009
|
|
Hydref 2009
|
|
Tachwedd 2009
|
|
Rhagfyr 2009
|
|
Ionawr 2010
|
|
Chwefror 2010
|
|
Mawrth 2010
|
|
Ebrill 2010
|
|
Mai 2010
|
|
Mehefin 2010
|
|
Gorffennaf 2010
|
|
Awst 2010
|
|
Medi 2010
|
|
Hydref 2010
|
|
Tachwedd 2010
|
|
Rhagfyr 2010
|
|
Ionawr 2011
|
|
Chwefror 2011
|
|
Mawrth 2011
|
|
Ebrill 2011
|
|
Mai 2011
|
|
Mehefin 2011
|
|
Gorffennaf 2011
|
|
Awst 2011
|
|
Medi 2011
|
|
Hydref 2011
|
|
Tachwedd 2011
|
|
Rhagfyr 2011
|
|
Ionawr 2012
|
|
Chwefror 2012
|
-1.2
|
Mawrth 2012
|
-0.1
|
Ebrill 2012
|
-0.8
|
Mai 2012
|
1.6
|
Mehefin 2012
|
1.3
|
Gorffennaf 2012
|
-0.7
|
Awst 2012
|
-0.8
|
Medi 2012
|
-1.4
|
Hydref 2012
|
0.7
|
Tachwedd 2012
|
-0.3
|
Rhagfyr 2012
|
1.4
|
Ionawr 2013
|
-1.7
|
Chwefror 2013
|
-0.6
|
Mawrth 2013
|
-1.3
|
Ebrill 2013
|
2.6
|
Mai 2013
|
-0.1
|
Mehefin 2013
|
2.0
|
Gorffennaf 2013
|
0.9
|
Awst 2013
|
1.1
|
Medi 2013
|
-0.6
|
Hydref 2013
|
-0.8
|
Tachwedd 2013
|
0.2
|
Rhagfyr 2013
|
-0.5
|
Ionawr 2014
|
0.1
|
Chwefror 2014
|
0.1
|
Mawrth 2014
|
0.6
|
Ebrill 2014
|
1.1
|
Mai 2014
|
1.0
|
Mehefin 2014
|
0.0
|
Gorffennaf 2014
|
0.0
|
Awst 2014
|
0.1
|
Medi 2014
|
0.1
|
Hydref 2014
|
1.2
|
Tachwedd 2014
|
0.8
|
Rhagfyr 2014
|
0.5
|
Ionawr 2015
|
-1.3
|
Chwefror 2015
|
0.2
|
Mawrth 2015
|
0.2
|
Ebrill 2015
|
0.5
|
Mai 2015
|
-0.1
|
Mehefin 2015
|
-0.3
|
Gorffennaf 2015
|
1.2
|
Awst 2015
|
1.4
|
Medi 2015
|
1.9
|
Hydref 2015
|
-0.4
|
Tachwedd 2015
|
-0.2
|
Rhagfyr 2015
|
-0.8
|
Ionawr 2016
|
0.2
|
Chwefror 2016
|
0.9
|
Mawrth 2016
|
0.6
|
Ebrill 2016
|
0.8
|
Mai 2016
|
-0.7
|
Mehefin 2016
|
1.6
|
Gorffennaf 2016
|
0.4
|
Awst 2016
|
1.3
|
Medi 2016
|
0.2
|
Hydref 2016
|
0.1
|
Tachwedd 2016
|
-0.8
|
Rhagfyr 2016
|
-1.0
|
Ionawr 2017
|
-0.2
|
Chwefror 2017
|
1.6
|
Mawrth 2017
|
0.4
|
Ebrill 2017
|
1.8
|
Mai 2017
|
0.0
|
Mehefin 2017
|
1.9
|
Gorffennaf 2017
|
0.4
|
Awst 2017
|
0.7
|
Medi 2017
|
0.4
|
Hydref 2017
|
-0.7
|
Tachwedd 2017
|
-0.1
|
Rhagfyr 2017
|
-0.1
|
Ionawr 2018
|
0.6
|
Dyddiad
|
Prynwyr am y tro cyntaf
|
Ionawr 2002
|
|
Chwefror 2002
|
|
Mawrth 2002
|
|
Ebrill 2002
|
|
Mai 2002
|
|
Mehefin 2002
|
|
Gorffennaf 2002
|
|
Awst 2002
|
|
Medi 2002
|
|
Hydref 2002
|
|
Tachwedd 2002
|
|
Rhagfyr 2002
|
|
Ionawr 2003
|
|
Chwefror 2003
|
|
Mawrth 2003
|
|
Ebrill 2003
|
|
Mai 2003
|
|
Mehefin 2003
|
|
Gorffennaf 2003
|
|
Awst 2003
|
|
Medi 2003
|
|
Hydref 2003
|
|
Tachwedd 2003
|
|
Rhagfyr 2003
|
|
Ionawr 2004
|
|
Chwefror 2004
|
|
Mawrth 2004
|
|
Ebrill 2004
|
|
Mai 2004
|
|
Mehefin 2004
|
|
Gorffennaf 2004
|
|
Awst 2004
|
|
Medi 2004
|
|
Hydref 2004
|
|
Tachwedd 2004
|
|
Rhagfyr 2004
|
|
Ionawr 2005
|
|
Chwefror 2005
|
|
Mawrth 2005
|
|
Ebrill 2005
|
|
Mai 2005
|
|
Mehefin 2005
|
|
Gorffennaf 2005
|
|
Awst 2005
|
|
Medi 2005
|
|
Hydref 2005
|
|
Tachwedd 2005
|
|
Rhagfyr 2005
|
|
Ionawr 2006
|
|
Chwefror 2006
|
|
Mawrth 2006
|
|
Ebrill 2006
|
|
Mai 2006
|
|
Mehefin 2006
|
|
Gorffennaf 2006
|
|
Awst 2006
|
|
Medi 2006
|
|
Hydref 2006
|
|
Tachwedd 2006
|
|
Rhagfyr 2006
|
|
Ionawr 2007
|
|
Chwefror 2007
|
|
Mawrth 2007
|
|
Ebrill 2007
|
|
Mai 2007
|
|
Mehefin 2007
|
|
Gorffennaf 2007
|
|
Awst 2007
|
|
Medi 2007
|
|
Hydref 2007
|
|
Tachwedd 2007
|
|
Rhagfyr 2007
|
|
Ionawr 2008
|
|
Chwefror 2008
|
|
Mawrth 2008
|
|
Ebrill 2008
|
|
Mai 2008
|
|
Mehefin 2008
|
|
Gorffennaf 2008
|
|
Awst 2008
|
|
Medi 2008
|
|
Hydref 2008
|
|
Tachwedd 2008
|
|
Rhagfyr 2008
|
|
Ionawr 2009
|
|
Chwefror 2009
|
|
Mawrth 2009
|
|
Ebrill 2009
|
|
Mai 2009
|
|
Mehefin 2009
|
|
Gorffennaf 2009
|
|
Awst 2009
|
|
Medi 2009
|
|
Hydref 2009
|
|
Tachwedd 2009
|
|
Rhagfyr 2009
|
|
Ionawr 2010
|
|
Chwefror 2010
|
|
Mawrth 2010
|
|
Ebrill 2010
|
|
Mai 2010
|
|
Mehefin 2010
|
|
Gorffennaf 2010
|
|
Awst 2010
|
|
Medi 2010
|
|
Hydref 2010
|
|
Tachwedd 2010
|
|
Rhagfyr 2010
|
|
Ionawr 2011
|
|
Chwefror 2011
|
|
Mawrth 2011
|
|
Ebrill 2011
|
|
Mai 2011
|
|
Mehefin 2011
|
|
Gorffennaf 2011
|
|
Awst 2011
|
|
Medi 2011
|
|
Hydref 2011
|
|
Tachwedd 2011
|
|
Rhagfyr 2011
|
|
Ionawr 2012
|
95.0
|
Chwefror 2012
|
93.9
|
Mawrth 2012
|
93.8
|
Ebrill 2012
|
93.0
|
Mai 2012
|
94.5
|
Mehefin 2012
|
95.8
|
Gorffennaf 2012
|
95.1
|
Awst 2012
|
94.4
|
Medi 2012
|
93.1
|
Hydref 2012
|
93.8
|
Tachwedd 2012
|
93.4
|
Rhagfyr 2012
|
94.8
|
Ionawr 2013
|
93.2
|
Chwefror 2013
|
92.6
|
Mawrth 2013
|
91.4
|
Ebrill 2013
|
93.8
|
Mai 2013
|
93.7
|
Mehefin 2013
|
95.5
|
Gorffennaf 2013
|
96.4
|
Awst 2013
|
97.5
|
Medi 2013
|
96.9
|
Hydref 2013
|
96.2
|
Tachwedd 2013
|
96.4
|
Rhagfyr 2013
|
95.9
|
Ionawr 2014
|
96.0
|
Chwefror 2014
|
96.1
|
Mawrth 2014
|
96.6
|
Ebrill 2014
|
97.7
|
Mai 2014
|
98.6
|
Mehefin 2014
|
98.6
|
Gorffennaf 2014
|
98.7
|
Awst 2014
|
98.7
|
Medi 2014
|
98.8
|
Hydref 2014
|
100.0
|
Tachwedd 2014
|
100.8
|
Rhagfyr 2014
|
101.3
|
Ionawr 2015
|
100.0
|
Chwefror 2015
|
100.2
|
Mawrth 2015
|
100.4
|
Ebrill 2015
|
100.9
|
Mai 2015
|
100.8
|
Mehefin 2015
|
100.5
|
Gorffennaf 2015
|
101.8
|
Awst 2015
|
103.3
|
Medi 2015
|
105.2
|
Hydref 2015
|
104.8
|
Tachwedd 2015
|
104.6
|
Rhagfyr 2015
|
103.8
|
Ionawr 2016
|
104.0
|
Chwefror 2016
|
104.9
|
Mawrth 2016
|
105.6
|
Ebrill 2016
|
106.4
|
Mai 2016
|
105.7
|
Mehefin 2016
|
107.4
|
Gorffennaf 2016
|
107.8
|
Awst 2016
|
109.2
|
Medi 2016
|
109.4
|
Hydref 2016
|
109.4
|
Tachwedd 2016
|
108.6
|
Rhagfyr 2016
|
107.5
|
Ionawr 2017
|
107.3
|
Chwefror 2017
|
109.0
|
Mawrth 2017
|
109.4
|
Ebrill 2017
|
111.4
|
Mai 2017
|
111.4
|
Mehefin 2017
|
113.5
|
Gorffennaf 2017
|
114.0
|
Awst 2017
|
114.8
|
Medi 2017
|
115.2
|
Hydref 2017
|
114.4
|
Tachwedd 2017
|
114.3
|
Rhagfyr 2017
|
114.2
|
Ionawr 2018
|
114.9
|
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