Cysylltau cyflym:
yn ôl math o eiddo
yn ôl statws y prynwr
yn ôl statws cyllido
yn ôl statws yr eiddo
Ystadegau Prisiau Tai
Math o eiddo
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol ar gyfer pob math o eiddo neu ganolbwyntio ar un penodol.
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ebrill 1992
|
42327.0
|
|
|
|
Mai 1992
|
42327.0
|
|
|
|
Mehefin 1992
|
42327.0
|
|
|
|
Gorffennaf 1992
|
40245.0
|
|
|
|
Awst 1992
|
40245.0
|
|
|
|
Medi 1992
|
40245.0
|
|
|
|
Hydref 1992
|
42540.0
|
|
|
|
Tachwedd 1992
|
42540.0
|
|
|
|
Rhagfyr 1992
|
42540.0
|
|
|
|
Ionawr 1993
|
41180.0
|
|
|
|
Chwefror 1993
|
41180.0
|
|
|
|
Mawrth 1993
|
41180.0
|
|
|
|
Ebrill 1993
|
42667.0
|
|
|
|
Mai 1993
|
42667.0
|
|
|
|
Mehefin 1993
|
42667.0
|
|
|
|
Gorffennaf 1993
|
43645.0
|
|
|
|
Awst 1993
|
43645.0
|
|
|
|
Medi 1993
|
43645.0
|
|
|
|
Hydref 1993
|
42497.0
|
|
|
|
Tachwedd 1993
|
42497.0
|
|
|
|
Rhagfyr 1993
|
42497.0
|
|
|
|
Ionawr 1994
|
43007.0
|
|
|
|
Chwefror 1994
|
43007.0
|
|
|
|
Mawrth 1994
|
43007.0
|
|
|
|
Ebrill 1994
|
42667.0
|
|
|
|
Mai 1994
|
42667.0
|
|
|
|
Mehefin 1994
|
42667.0
|
|
|
|
Gorffennaf 1994
|
44495.0
|
|
|
|
Awst 1994
|
44495.0
|
|
|
|
Medi 1994
|
44495.0
|
|
|
|
Hydref 1994
|
44495.0
|
|
|
|
Tachwedd 1994
|
44495.0
|
|
|
|
Rhagfyr 1994
|
44495.0
|
|
|
|
Ionawr 1995
|
42076.0
|
73456.0
|
33036.0
|
30566.0
|
Chwefror 1995
|
42572.0
|
73262.0
|
33347.0
|
30914.0
|
Mawrth 1995
|
42370.0
|
73110.0
|
33421.0
|
30586.0
|
Ebrill 1995
|
42096.0
|
72177.0
|
33182.0
|
30801.0
|
Mai 1995
|
43266.0
|
73771.0
|
34113.0
|
31576.0
|
Mehefin 1995
|
42315.0
|
72730.0
|
33182.0
|
31134.0
|
Gorffennaf 1995
|
43288.0
|
75350.0
|
34006.0
|
31542.0
|
Awst 1995
|
41899.0
|
72551.0
|
32911.0
|
30345.0
|
Medi 1995
|
41851.0
|
72021.0
|
32945.0
|
30439.0
|
Hydref 1995
|
41688.0
|
72878.0
|
32505.0
|
30065.0
|
Tachwedd 1995
|
41728.0
|
72881.0
|
32520.0
|
30180.0
|
Rhagfyr 1995
|
42303.0
|
73247.0
|
33147.0
|
30313.0
|
Ionawr 1996
|
40790.0
|
72054.0
|
31700.0
|
29318.0
|
Chwefror 1996
|
40722.0
|
71019.0
|
31820.0
|
28893.0
|
Mawrth 1996
|
41753.0
|
73189.0
|
32411.0
|
29653.0
|
Ebrill 1996
|
41588.0
|
72987.0
|
32604.0
|
29856.0
|
Mai 1996
|
42987.0
|
74746.0
|
33948.0
|
30140.0
|
Mehefin 1996
|
42848.0
|
74456.0
|
33607.0
|
31313.0
|
Gorffennaf 1996
|
42800.0
|
75483.0
|
33353.0
|
30861.0
|
Awst 1996
|
43374.0
|
76917.0
|
33892.0
|
30846.0
|
Medi 1996
|
43082.0
|
75563.0
|
33618.0
|
31340.0
|
Hydref 1996
|
42537.0
|
75345.0
|
33119.0
|
30049.0
|
Tachwedd 1996
|
42799.0
|
75066.0
|
33602.0
|
29995.0
|
Rhagfyr 1996
|
42636.0
|
74447.0
|
33416.0
|
30238.0
|
Ionawr 1997
|
42353.0
|
74805.0
|
33092.0
|
29989.0
|
Chwefror 1997
|
42574.0
|
75306.0
|
33078.0
|
30564.0
|
Mawrth 1997
|
42735.0
|
75298.0
|
33499.0
|
30129.0
|
Ebrill 1997
|
43976.0
|
77161.0
|
34383.0
|
31483.0
|
Mai 1997
|
44090.0
|
77069.0
|
34543.0
|
31079.0
|
Mehefin 1997
|
44628.0
|
78721.0
|
34989.0
|
31468.0
|
Gorffennaf 1997
|
45566.0
|
80808.0
|
35798.0
|
31634.0
|
Awst 1997
|
44793.0
|
78949.0
|
35089.0
|
31653.0
|
Medi 1997
|
43770.0
|
77331.0
|
34285.0
|
31115.0
|
Hydref 1997
|
43996.0
|
78267.0
|
34296.0
|
30679.0
|
Tachwedd 1997
|
44049.0
|
77944.0
|
34367.0
|
31041.0
|
Rhagfyr 1997
|
44379.0
|
78038.0
|
34649.0
|
31255.0
|
Ionawr 1998
|
44246.0
|
78908.0
|
34570.0
|
31221.0
|
Chwefror 1998
|
43510.0
|
76452.0
|
33693.0
|
31861.0
|
Mawrth 1998
|
44786.0
|
78912.0
|
34924.0
|
31758.0
|
Ebrill 1998
|
45039.0
|
79434.0
|
35198.0
|
31755.0
|
Mai 1998
|
45169.0
|
79104.0
|
35368.0
|
32452.0
|
Mehefin 1998
|
45962.0
|
80891.0
|
35843.0
|
33115.0
|
Gorffennaf 1998
|
45789.0
|
81678.0
|
35768.0
|
32018.0
|
Awst 1998
|
46569.0
|
82690.0
|
36325.0
|
33254.0
|
Medi 1998
|
46510.0
|
83062.0
|
36300.0
|
32626.0
|
Hydref 1998
|
45548.0
|
81747.0
|
35313.0
|
32208.0
|
Tachwedd 1998
|
45475.0
|
81107.0
|
35144.0
|
32769.0
|
Rhagfyr 1998
|
45995.0
|
80513.0
|
35726.0
|
33897.0
|
Ionawr 1999
|
45467.0
|
80730.0
|
35178.0
|
32582.0
|
Chwefror 1999
|
43969.0
|
77860.0
|
34029.0
|
31492.0
|
Mawrth 1999
|
45505.0
|
81370.0
|
35157.0
|
32403.0
|
Ebrill 1999
|
46042.0
|
81009.0
|
35977.0
|
33037.0
|
Mai 1999
|
46172.0
|
81612.0
|
35938.0
|
33156.0
|
Mehefin 1999
|
47671.0
|
84786.0
|
37135.0
|
34056.0
|
Gorffennaf 1999
|
47753.0
|
85574.0
|
37280.0
|
33842.0
|
Awst 1999
|
47713.0
|
84681.0
|
37328.0
|
34196.0
|
Medi 1999
|
47740.0
|
85236.0
|
37043.0
|
34954.0
|
Hydref 1999
|
48970.0
|
87465.0
|
37859.0
|
35434.0
|
Tachwedd 1999
|
48694.0
|
86484.0
|
37903.0
|
35168.0
|
Rhagfyr 1999
|
48298.0
|
85799.0
|
37619.0
|
35021.0
|
Ionawr 2000
|
47604.0
|
85191.0
|
36873.0
|
34038.0
|
Chwefror 2000
|
47757.0
|
85358.0
|
36991.0
|
34402.0
|
Mawrth 2000
|
48678.0
|
87038.0
|
37731.0
|
34565.0
|
Ebrill 2000
|
49463.0
|
88551.0
|
38436.0
|
35396.0
|
Mai 2000
|
49780.0
|
88903.0
|
38409.0
|
36024.0
|
Mehefin 2000
|
49003.0
|
86326.0
|
37968.0
|
35829.0
|
Gorffennaf 2000
|
50416.0
|
91753.0
|
38759.0
|
36320.0
|
Awst 2000
|
50702.0
|
92282.0
|
38698.0
|
36918.0
|
Medi 2000
|
49432.0
|
89594.0
|
37850.0
|
35993.0
|
Hydref 2000
|
49501.0
|
89550.0
|
37636.0
|
36314.0
|
Tachwedd 2000
|
49024.0
|
88881.0
|
37379.0
|
36001.0
|
Rhagfyr 2000
|
50362.0
|
90045.0
|
38538.0
|
37271.0
|
Ionawr 2001
|
49837.0
|
90330.0
|
38015.0
|
36719.0
|
Chwefror 2001
|
49045.0
|
88552.0
|
37429.0
|
36291.0
|
Mawrth 2001
|
49587.0
|
88422.0
|
37871.0
|
37430.0
|
Ebrill 2001
|
51735.0
|
93612.0
|
39623.0
|
38107.0
|
Mai 2001
|
52412.0
|
93613.0
|
40222.0
|
38948.0
|
Mehefin 2001
|
52266.0
|
93358.0
|
40059.0
|
39259.0
|
Gorffennaf 2001
|
53353.0
|
96822.0
|
40715.0
|
39452.0
|
Awst 2001
|
55425.0
|
100003.0
|
42377.0
|
41846.0
|
Medi 2001
|
53720.0
|
97483.0
|
41145.0
|
39791.0
|
Hydref 2001
|
54201.0
|
97884.0
|
41345.0
|
40643.0
|
Tachwedd 2001
|
54769.0
|
98579.0
|
41712.0
|
41244.0
|
Rhagfyr 2001
|
55879.0
|
99348.0
|
42273.0
|
44508.0
|
Ionawr 2002
|
54746.0
|
100018.0
|
41339.0
|
41366.0
|
Chwefror 2002
|
54983.0
|
98864.0
|
41849.0
|
42474.0
|
Mawrth 2002
|
56509.0
|
100274.0
|
42983.0
|
44278.0
|
Ebrill 2002
|
58178.0
|
103425.0
|
44309.0
|
45873.0
|
Mai 2002
|
60166.0
|
105961.0
|
45950.0
|
47451.0
|
Mehefin 2002
|
60958.0
|
107744.0
|
46487.0
|
48543.0
|
Gorffennaf 2002
|
63302.0
|
113167.0
|
48259.0
|
49514.0
|
Awst 2002
|
65025.0
|
114559.0
|
49649.0
|
51340.0
|
Medi 2002
|
64455.0
|
114556.0
|
48867.0
|
50840.0
|
Hydref 2002
|
66049.0
|
117232.0
|
50034.0
|
51993.0
|
Tachwedd 2002
|
68494.0
|
121182.0
|
52131.0
|
54587.0
|
Rhagfyr 2002
|
69491.0
|
121378.0
|
52657.0
|
56340.0
|
Ionawr 2003
|
67520.0
|
120360.0
|
51554.0
|
52226.0
|
Chwefror 2003
|
68396.0
|
121226.0
|
52052.0
|
53531.0
|
Mawrth 2003
|
71926.0
|
125698.0
|
54633.0
|
58904.0
|
Ebrill 2003
|
75588.0
|
132291.0
|
57395.0
|
60830.0
|
Mai 2003
|
77026.0
|
133664.0
|
58686.0
|
61887.0
|
Mehefin 2003
|
78789.0
|
136048.0
|
60267.0
|
64666.0
|
Gorffennaf 2003
|
82819.0
|
143032.0
|
63486.0
|
65975.0
|
Awst 2003
|
84389.0
|
145652.0
|
64529.0
|
68208.0
|
Medi 2003
|
84723.0
|
145918.0
|
65020.0
|
68339.0
|
Hydref 2003
|
87372.0
|
151317.0
|
67112.0
|
69277.0
|
Tachwedd 2003
|
88701.0
|
152058.0
|
68088.0
|
71412.0
|
Rhagfyr 2003
|
89552.0
|
149442.0
|
69605.0
|
73812.0
|
Ionawr 2004
|
90994.0
|
155777.0
|
70157.0
|
73701.0
|
Chwefror 2004
|
88520.0
|
149153.0
|
68785.0
|
71359.0
|
Mawrth 2004
|
93021.0
|
157169.0
|
72370.0
|
75266.0
|
Ebrill 2004
|
99508.0
|
164564.0
|
78433.0
|
78734.0
|
Mai 2004
|
102162.0
|
167587.0
|
81011.0
|
81259.0
|
Mehefin 2004
|
106437.0
|
174711.0
|
83685.0
|
86461.0
|
Gorffennaf 2004
|
110089.0
|
180065.0
|
87101.0
|
87087.0
|
Awst 2004
|
111699.0
|
183003.0
|
88381.0
|
89724.0
|
Medi 2004
|
110489.0
|
183062.0
|
87440.0
|
87411.0
|
Hydref 2004
|
112205.0
|
186812.0
|
88676.0
|
88437.0
|
Tachwedd 2004
|
109566.0
|
180733.0
|
86868.0
|
86893.0
|
Rhagfyr 2004
|
113511.0
|
185107.0
|
90367.0
|
91133.0
|
Ionawr 2005
|
111474.0
|
184907.0
|
88678.0
|
87128.0
|
Chwefror 2005
|
110454.0
|
184081.0
|
87683.0
|
85909.0
|
Mawrth 2005
|
112596.0
|
187174.0
|
89704.0
|
86635.0
|
Ebrill 2005
|
115579.0
|
188544.0
|
92559.0
|
89760.0
|
Mai 2005
|
117007.0
|
192538.0
|
93706.0
|
90550.0
|
Mehefin 2005
|
118615.0
|
191250.0
|
95820.0
|
92090.0
|
Gorffennaf 2005
|
121318.0
|
197931.0
|
97392.0
|
93044.0
|
Awst 2005
|
123066.0
|
201272.0
|
99033.0
|
95780.0
|
Medi 2005
|
121255.0
|
197929.0
|
98188.0
|
92715.0
|
Hydref 2005
|
121647.0
|
199321.0
|
98067.0
|
93392.0
|
Tachwedd 2005
|
123245.0
|
201394.0
|
99443.0
|
94603.0
|
Rhagfyr 2005
|
123089.0
|
197904.0
|
99842.0
|
95819.0
|
Ionawr 2006
|
123039.0
|
201252.0
|
99711.0
|
94130.0
|
Chwefror 2006
|
121124.0
|
195538.0
|
98092.0
|
94589.0
|
Mawrth 2006
|
123786.0
|
199841.0
|
100287.0
|
95581.0
|
Ebrill 2006
|
126215.0
|
202583.0
|
102757.0
|
96810.0
|
Mai 2006
|
126767.0
|
203863.0
|
102911.0
|
98112.0
|
Mehefin 2006
|
129083.0
|
205643.0
|
105449.0
|
99661.0
|
Gorffennaf 2006
|
130283.0
|
208916.0
|
106486.0
|
99782.0
|
Awst 2006
|
129962.0
|
209715.0
|
106009.0
|
99158.0
|
Medi 2006
|
131628.0
|
212699.0
|
107111.0
|
100586.0
|
Hydref 2006
|
131788.0
|
212322.0
|
107346.0
|
101114.0
|
Tachwedd 2006
|
130774.0
|
210038.0
|
106525.0
|
100239.0
|
Rhagfyr 2006
|
134036.0
|
212628.0
|
109779.0
|
103195.0
|
Ionawr 2007
|
132508.0
|
212137.0
|
108217.0
|
102110.0
|
Chwefror 2007
|
131175.0
|
210649.0
|
106637.0
|
101655.0
|
Mawrth 2007
|
132120.0
|
211333.0
|
108515.0
|
100053.0
|
Ebrill 2007
|
135047.0
|
214669.0
|
110827.0
|
103420.0
|
Mai 2007
|
135645.0
|
214326.0
|
111194.0
|
105402.0
|
Mehefin 2007
|
137655.0
|
218470.0
|
112825.0
|
106803.0
|
Gorffennaf 2007
|
139400.0
|
225028.0
|
114247.0
|
105992.0
|
Awst 2007
|
138535.0
|
222522.0
|
113836.0
|
104881.0
|
Medi 2007
|
138306.0
|
223373.0
|
113371.0
|
105398.0
|
Hydref 2007
|
137946.0
|
223191.0
|
113060.0
|
105279.0
|
Tachwedd 2007
|
138832.0
|
224424.0
|
113426.0
|
106247.0
|
Rhagfyr 2007
|
138507.0
|
220862.0
|
113524.0
|
107390.0
|
Ionawr 2008
|
135418.0
|
218874.0
|
110704.0
|
104288.0
|
Chwefror 2008
|
135027.0
|
219361.0
|
110258.0
|
102667.0
|
Mawrth 2008
|
133568.0
|
217373.0
|
109172.0
|
100272.0
|
Ebrill 2008
|
135960.0
|
222918.0
|
111465.0
|
102184.0
|
Mai 2008
|
137087.0
|
221439.0
|
112473.0
|
102907.0
|
Mehefin 2008
|
135464.0
|
219385.0
|
111292.0
|
101494.0
|
Gorffennaf 2008
|
132306.0
|
215500.0
|
108426.0
|
99479.0
|
Awst 2008
|
131545.0
|
214724.0
|
108019.0
|
97998.0
|
Medi 2008
|
126926.0
|
208999.0
|
103567.0
|
96548.0
|
Hydref 2008
|
124448.0
|
205913.0
|
101517.0
|
92653.0
|
Tachwedd 2008
|
123884.0
|
203146.0
|
100773.0
|
93069.0
|
Rhagfyr 2008
|
120275.0
|
194799.0
|
98831.0
|
89903.0
|
Ionawr 2009
|
118710.0
|
197262.0
|
96845.0
|
88807.0
|
Chwefror 2009
|
117221.0
|
192187.0
|
95037.0
|
88873.0
|
Mawrth 2009
|
117079.0
|
191268.0
|
95566.0
|
89477.0
|
Ebrill 2009
|
118270.0
|
193391.0
|
96486.0
|
88723.0
|
Mai 2009
|
119532.0
|
194492.0
|
97872.0
|
89017.0
|
Mehefin 2009
|
120823.0
|
197443.0
|
98810.0
|
90755.0
|
Gorffennaf 2009
|
120952.0
|
198659.0
|
99107.0
|
89555.0
|
Awst 2009
|
122676.0
|
200509.0
|
100614.0
|
90433.0
|
Medi 2009
|
123725.0
|
203425.0
|
101637.0
|
91411.0
|
Hydref 2009
|
123135.0
|
203519.0
|
101012.0
|
89121.0
|
Tachwedd 2009
|
124131.0
|
204204.0
|
102041.0
|
91035.0
|
Rhagfyr 2009
|
125208.0
|
201174.0
|
103869.0
|
92237.0
|
Ionawr 2010
|
119947.0
|
200311.0
|
98270.0
|
85238.0
|
Chwefror 2010
|
121984.0
|
201792.0
|
99772.0
|
87870.0
|
Mawrth 2010
|
123110.0
|
205481.0
|
100573.0
|
89766.0
|
Ebrill 2010
|
123415.0
|
202809.0
|
101146.0
|
89539.0
|
Mai 2010
|
122873.0
|
202841.0
|
100792.0
|
89627.0
|
Mehefin 2010
|
123620.0
|
202924.0
|
101850.0
|
89297.0
|
Gorffennaf 2010
|
123348.0
|
205218.0
|
101076.0
|
88534.0
|
Awst 2010
|
126174.0
|
210388.0
|
102969.0
|
90320.0
|
Medi 2010
|
122224.0
|
204657.0
|
100235.0
|
87174.0
|
Hydref 2010
|
124799.0
|
209021.0
|
101660.0
|
89528.0
|
Tachwedd 2010
|
120265.0
|
201618.0
|
97794.0
|
87052.0
|
Rhagfyr 2010
|
119688.0
|
199514.0
|
97819.0
|
86126.0
|
Ionawr 2011
|
117111.0
|
198299.0
|
95190.0
|
83255.0
|
Chwefror 2011
|
116809.0
|
196903.0
|
94718.0
|
84203.0
|
Mawrth 2011
|
115711.0
|
196364.0
|
94203.0
|
82297.0
|
Ebrill 2011
|
119438.0
|
200679.0
|
97465.0
|
85275.0
|
Mai 2011
|
119979.0
|
200688.0
|
97685.0
|
86666.0
|
Mehefin 2011
|
119671.0
|
198516.0
|
97701.0
|
87066.0
|
Gorffennaf 2011
|
117616.0
|
196511.0
|
96088.0
|
84532.0
|
Awst 2011
|
116961.0
|
196626.0
|
95154.0
|
82336.0
|
Medi 2011
|
117236.0
|
196767.0
|
95892.0
|
83112.0
|
Hydref 2011
|
116238.0
|
197145.0
|
94207.0
|
82307.0
|
Tachwedd 2011
|
117028.0
|
196379.0
|
94889.0
|
83539.0
|
Rhagfyr 2011
|
115328.0
|
191895.0
|
94129.0
|
81914.0
|
Ionawr 2012
|
113011.0
|
188050.0
|
91889.0
|
80537.0
|
Chwefror 2012
|
113852.0
|
190007.0
|
93021.0
|
81012.0
|
Mawrth 2012
|
116622.0
|
191489.0
|
95789.0
|
84219.0
|
Ebrill 2012
|
116031.0
|
194078.0
|
94434.0
|
83092.0
|
Mai 2012
|
115601.0
|
192261.0
|
94363.0
|
82564.0
|
Mehefin 2012
|
117444.0
|
192728.0
|
97009.0
|
83914.0
|
Gorffennaf 2012
|
117137.0
|
195107.0
|
96035.0
|
83087.0
|
Awst 2012
|
119749.0
|
199178.0
|
98447.0
|
83783.0
|
Medi 2012
|
118194.0
|
195726.0
|
96994.0
|
84542.0
|
Hydref 2012
|
116854.0
|
195727.0
|
95644.0
|
81987.0
|
Tachwedd 2012
|
116777.0
|
194142.0
|
95765.0
|
82268.0
|
Rhagfyr 2012
|
114860.0
|
191214.0
|
94261.0
|
81567.0
|
Ionawr 2013
|
113585.0
|
188815.0
|
92563.0
|
80818.0
|
Chwefror 2013
|
112008.0
|
186445.0
|
91579.0
|
78666.0
|
Mawrth 2013
|
115161.0
|
192980.0
|
93953.0
|
81572.0
|
Ebrill 2013
|
115330.0
|
192693.0
|
94207.0
|
81744.0
|
Mai 2013
|
115849.0
|
192135.0
|
94800.0
|
82403.0
|
Mehefin 2013
|
115645.0
|
190749.0
|
95162.0
|
82159.0
|
Gorffennaf 2013
|
118564.0
|
197034.0
|
97341.0
|
83522.0
|
Awst 2013
|
120219.0
|
198593.0
|
98626.0
|
85475.0
|
Medi 2013
|
119140.0
|
199398.0
|
97453.0
|
84214.0
|
Hydref 2013
|
112868.0
|
189686.0
|
91735.0
|
79674.0
|
Tachwedd 2013
|
116456.0
|
194019.0
|
94764.0
|
82201.0
|
Rhagfyr 2013
|
116274.0
|
192808.0
|
95275.0
|
81786.0
|
Ionawr 2014
|
114531.0
|
190762.0
|
93148.0
|
82359.0
|
Chwefror 2014
|
114784.0
|
190244.0
|
93213.0
|
83123.0
|
Mawrth 2014
|
116317.0
|
192927.0
|
94734.0
|
82835.0
|
Ebrill 2014
|
118315.0
|
196444.0
|
96808.0
|
83326.0
|
Mai 2014
|
118613.0
|
196086.0
|
97202.0
|
83876.0
|
Mehefin 2014
|
121217.0
|
200233.0
|
99264.0
|
85998.0
|
Gorffennaf 2014
|
121279.0
|
200485.0
|
99330.0
|
86384.0
|
Awst 2014
|
121329.0
|
200459.0
|
99505.0
|
86096.0
|
Medi 2014
|
120251.0
|
198632.0
|
98337.0
|
85962.0
|
Hydref 2014
|
118619.0
|
197522.0
|
96704.0
|
83616.0
|
Tachwedd 2014
|
118778.0
|
196923.0
|
96491.0
|
84976.0
|
Rhagfyr 2014
|
118798.0
|
197326.0
|
96675.0
|
84882.0
|
Ionawr 2015
|
117156.0
|
194417.0
|
95315.0
|
83806.0
|
Chwefror 2015
|
118525.0
|
196604.0
|
96721.0
|
85149.0
|
Mawrth 2015
|
117578.0
|
196151.0
|
95123.0
|
84780.0
|
Ebrill 2015
|
121598.0
|
202559.0
|
99115.0
|
86937.0
|
Mai 2015
|
120610.0
|
199463.0
|
98327.0
|
86448.0
|
Mehefin 2015
|
122584.0
|
202839.0
|
100394.0
|
86315.0
|
Gorffennaf 2015
|
122669.0
|
203869.0
|
99904.0
|
87159.0
|
Awst 2015
|
123621.0
|
205570.0
|
100830.0
|
87966.0
|
Medi 2015
|
123304.0
|
206474.0
|
100249.0
|
88169.0
|
Hydref 2015
|
121512.0
|
202034.0
|
98668.0
|
87422.0
|
Tachwedd 2015
|
123032.0
|
205033.0
|
99864.0
|
87176.0
|
Rhagfyr 2015
|
123597.0
|
207395.0
|
100403.0
|
87066.0
|
Ionawr 2016
|
121096.0
|
200845.0
|
98245.0
|
86253.0
|
Chwefror 2016
|
121085.0
|
201128.0
|
98526.0
|
85796.0
|
Mawrth 2016
|
122837.0
|
205416.0
|
99781.0
|
87969.0
|
Ebrill 2016
|
122481.0
|
203662.0
|
99583.0
|
86211.0
|
Mai 2016
|
124696.0
|
205881.0
|
101493.0
|
90023.0
|
Mehefin 2016
|
126898.0
|
211378.0
|
103478.0
|
90114.0
|
Gorffennaf 2016
|
127710.0
|
212372.0
|
104208.0
|
91022.0
|
Awst 2016
|
126116.0
|
209489.0
|
102684.0
|
90729.0
|
Medi 2016
|
124781.0
|
208117.0
|
101386.0
|
89362.0
|
Hydref 2016
|
124213.0
|
208519.0
|
99999.0
|
89716.0
|
Tachwedd 2016
|
124910.0
|
210555.0
|
100434.0
|
90066.0
|
Rhagfyr 2016
|
126333.0
|
211729.0
|
102151.0
|
91196.0
|
Ionawr 2017
|
122055.0
|
205943.0
|
98112.0
|
88170.0
|
Chwefror 2017
|
124088.0
|
209001.0
|
100054.0
|
89783.0
|
Mawrth 2017
|
121858.0
|
206300.0
|
97969.0
|
87610.0
|
Ebrill 2017
|
124897.0
|
209871.0
|
100488.0
|
90626.0
|
Mai 2017
|
127074.0
|
211398.0
|
102496.0
|
92788.0
|
Mehefin 2017
|
128096.0
|
213336.0
|
104140.0
|
92710.0
|
Gorffennaf 2017
|
127983.0
|
214051.0
|
103503.0
|
92514.0
|
Awst 2017
|
129738.0
|
216339.0
|
105320.0
|
93868.0
|
Medi 2017
|
127527.0
|
214285.0
|
103329.0
|
91371.0
|
Hydref 2017
|
128590.0
|
214975.0
|
103630.0
|
92612.0
|
Tachwedd 2017
|
127126.0
|
212155.0
|
102709.0
|
91583.0
|
Rhagfyr 2017
|
130118.0
|
217538.0
|
105310.0
|
92886.0
|
Ionawr 2018
|
124169.0
|
208507.0
|
99568.0
|
89634.0
|
Chwefror 2018
|
126444.0
|
214013.0
|
101743.0
|
90417.0
|
Mawrth 2018
|
124038.0
|
207564.0
|
100051.0
|
89061.0
|
Ebrill 2018
|
128330.0
|
215047.0
|
103791.0
|
91055.0
|
Mai 2018
|
128840.0
|
215873.0
|
104469.0
|
90445.0
|
Mehefin 2018
|
128049.0
|
212795.0
|
103114.0
|
92428.0
|
Gorffennaf 2018
|
131245.0
|
220862.0
|
106256.0
|
92039.0
|
Awst 2018
|
130376.0
|
218521.0
|
105539.0
|
92337.0
|
Medi 2018
|
130223.0
|
218124.0
|
105308.0
|
92327.0
|
Hydref 2018
|
130759.0
|
219657.0
|
105480.0
|
92624.0
|
Tachwedd 2018
|
128894.0
|
215675.0
|
104067.0
|
91423.0
|
Rhagfyr 2018
|
128696.0
|
214922.0
|
103808.0
|
91825.0
|
Ionawr 2019
|
125448.0
|
212212.0
|
100327.0
|
88796.0
|
Chwefror 2019
|
124533.0
|
210736.0
|
99828.0
|
87828.0
|
Mawrth 2019
|
124666.0
|
209604.0
|
100215.0
|
87100.0
|
Ebrill 2019
|
128863.0
|
216548.0
|
104322.0
|
89235.0
|
Mai 2019
|
128851.0
|
215035.0
|
104252.0
|
89751.0
|
Mehefin 2019
|
129511.0
|
215756.0
|
104720.0
|
91327.0
|
Gorffennaf 2019
|
129844.0
|
218418.0
|
104873.0
|
91088.0
|
Awst 2019
|
131440.0
|
219239.0
|
106907.0
|
92003.0
|
Medi 2019
|
131917.0
|
219557.0
|
107295.0
|
93545.0
|
Hydref 2019
|
129316.0
|
216576.0
|
104090.0
|
89885.0
|
Tachwedd 2019
|
129493.0
|
215810.0
|
104644.0
|
90336.0
|
Rhagfyr 2019
|
129310.0
|
215405.0
|
104842.0
|
89605.0
|
Ionawr 2020
|
127346.0
|
214927.0
|
102298.0
|
87851.0
|
Chwefror 2020
|
126993.0
|
212749.0
|
102685.0
|
88212.0
|
Mawrth 2020
|
128306.0
|
216874.0
|
103330.0
|
88057.0
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ebrill 1992
|
|
|
|
|
Mai 1992
|
|
|
|
|
Mehefin 1992
|
|
|
|
|
Gorffennaf 1992
|
|
|
|
|
Awst 1992
|
|
|
|
|
Medi 1992
|
|
|
|
|
Hydref 1992
|
|
|
|
|
Tachwedd 1992
|
|
|
|
|
Rhagfyr 1992
|
|
|
|
|
Ionawr 1993
|
|
|
|
|
Chwefror 1993
|
|
|
|
|
Mawrth 1993
|
|
|
|
|
Ebrill 1993
|
0.8
|
|
|
|
Mai 1993
|
0.8
|
|
|
|
Mehefin 1993
|
0.8
|
|
|
|
Gorffennaf 1993
|
8.4
|
|
|
|
Awst 1993
|
8.4
|
|
|
|
Medi 1993
|
8.4
|
|
|
|
Hydref 1993
|
-0.1
|
|
|
|
Tachwedd 1993
|
-0.1
|
|
|
|
Rhagfyr 1993
|
-0.1
|
|
|
|
Ionawr 1994
|
4.4
|
|
|
|
Chwefror 1994
|
4.4
|
|
|
|
Mawrth 1994
|
4.4
|
|
|
|
Ebrill 1994
|
0.0
|
|
|
|
Mai 1994
|
0.0
|
|
|
|
Mehefin 1994
|
0.0
|
|
|
|
Gorffennaf 1994
|
2.0
|
|
|
|
Awst 1994
|
2.0
|
|
|
|
Medi 1994
|
2.0
|
|
|
|
Hydref 1994
|
4.7
|
|
|
|
Tachwedd 1994
|
4.7
|
|
|
|
Rhagfyr 1994
|
4.7
|
|
|
|
Ionawr 1995
|
-2.2
|
|
|
|
Chwefror 1995
|
-1.0
|
|
|
|
Mawrth 1995
|
-1.5
|
|
|
|
Ebrill 1995
|
-1.3
|
|
|
|
Mai 1995
|
1.4
|
|
|
|
Mehefin 1995
|
-0.8
|
|
|
|
Gorffennaf 1995
|
-2.7
|
|
|
|
Awst 1995
|
-5.8
|
|
|
|
Medi 1995
|
-5.9
|
|
|
|
Hydref 1995
|
-6.3
|
|
|
|
Tachwedd 1995
|
-6.2
|
|
|
|
Rhagfyr 1995
|
-4.9
|
|
|
|
Ionawr 1996
|
-3.1
|
-1.9
|
-4.0
|
-4.1
|
Chwefror 1996
|
-4.3
|
-3.1
|
-4.6
|
-6.5
|
Mawrth 1996
|
-1.4
|
0.1
|
-3.0
|
-3.0
|
Ebrill 1996
|
-1.2
|
1.1
|
-1.7
|
-3.1
|
Mai 1996
|
-0.6
|
1.3
|
-0.5
|
-4.6
|
Mehefin 1996
|
1.3
|
2.4
|
1.3
|
0.6
|
Gorffennaf 1996
|
-1.1
|
0.2
|
-1.9
|
-2.2
|
Awst 1996
|
3.5
|
6.0
|
3.0
|
1.6
|
Medi 1996
|
2.9
|
4.9
|
2.0
|
3.0
|
Hydref 1996
|
2.0
|
3.4
|
1.9
|
-0.1
|
Tachwedd 1996
|
2.6
|
3.0
|
3.3
|
-0.6
|
Rhagfyr 1996
|
0.8
|
1.6
|
0.8
|
-0.2
|
Ionawr 1997
|
3.8
|
3.8
|
4.4
|
2.3
|
Chwefror 1997
|
4.6
|
6.0
|
4.0
|
5.8
|
Mawrth 1997
|
2.4
|
2.9
|
3.4
|
1.6
|
Ebrill 1997
|
5.7
|
5.7
|
5.5
|
5.4
|
Mai 1997
|
2.6
|
3.1
|
1.8
|
3.1
|
Mehefin 1997
|
4.2
|
5.7
|
4.1
|
0.5
|
Gorffennaf 1997
|
6.5
|
7.0
|
7.3
|
2.5
|
Awst 1997
|
3.3
|
2.6
|
3.5
|
2.6
|
Medi 1997
|
1.6
|
2.3
|
2.0
|
-0.7
|
Hydref 1997
|
3.4
|
3.9
|
3.6
|
2.1
|
Tachwedd 1997
|
2.9
|
3.8
|
2.3
|
3.5
|
Rhagfyr 1997
|
4.1
|
4.8
|
3.7
|
3.4
|
Ionawr 1998
|
4.5
|
5.5
|
4.5
|
4.1
|
Chwefror 1998
|
2.2
|
1.5
|
1.9
|
4.2
|
Mawrth 1998
|
4.8
|
4.8
|
4.3
|
5.4
|
Ebrill 1998
|
2.4
|
3.0
|
2.4
|
0.9
|
Mai 1998
|
2.4
|
2.6
|
2.4
|
4.4
|
Mehefin 1998
|
3.0
|
2.8
|
2.4
|
5.2
|
Gorffennaf 1998
|
0.5
|
1.1
|
-0.1
|
1.2
|
Awst 1998
|
4.0
|
4.7
|
3.5
|
5.1
|
Medi 1998
|
6.3
|
7.4
|
5.9
|
4.9
|
Hydref 1998
|
3.5
|
4.4
|
3.0
|
5.0
|
Tachwedd 1998
|
3.2
|
4.1
|
2.3
|
5.6
|
Rhagfyr 1998
|
3.6
|
3.2
|
3.1
|
8.4
|
Ionawr 1999
|
2.8
|
2.3
|
1.8
|
4.4
|
Chwefror 1999
|
1.0
|
1.8
|
1.0
|
-1.2
|
Mawrth 1999
|
1.6
|
3.1
|
0.7
|
2.0
|
Ebrill 1999
|
2.2
|
2.0
|
2.2
|
4.0
|
Mai 1999
|
2.2
|
3.2
|
1.6
|
2.2
|
Mehefin 1999
|
3.7
|
4.8
|
3.6
|
2.8
|
Gorffennaf 1999
|
4.3
|
4.8
|
4.2
|
5.7
|
Awst 1999
|
2.4
|
2.4
|
2.8
|
2.8
|
Medi 1999
|
2.6
|
2.6
|
2.0
|
7.1
|
Hydref 1999
|
7.5
|
7.0
|
7.2
|
10.0
|
Tachwedd 1999
|
7.1
|
6.6
|
7.8
|
7.3
|
Rhagfyr 1999
|
5.0
|
6.6
|
5.3
|
3.3
|
Ionawr 2000
|
4.7
|
5.5
|
4.8
|
4.5
|
Chwefror 2000
|
8.6
|
9.6
|
8.7
|
9.2
|
Mawrth 2000
|
7.0
|
7.0
|
7.3
|
6.7
|
Ebrill 2000
|
7.4
|
9.3
|
6.8
|
7.1
|
Mai 2000
|
7.8
|
8.9
|
6.9
|
8.6
|
Mehefin 2000
|
2.8
|
1.8
|
2.2
|
5.2
|
Gorffennaf 2000
|
5.6
|
7.2
|
4.0
|
7.3
|
Awst 2000
|
6.3
|
9.0
|
3.7
|
8.0
|
Medi 2000
|
3.6
|
5.1
|
2.2
|
3.0
|
Hydref 2000
|
1.1
|
2.4
|
-0.6
|
2.5
|
Tachwedd 2000
|
0.7
|
2.8
|
-1.4
|
2.4
|
Rhagfyr 2000
|
4.3
|
5.0
|
2.4
|
6.4
|
Ionawr 2001
|
4.7
|
6.0
|
3.1
|
7.9
|
Chwefror 2001
|
2.7
|
3.7
|
1.2
|
5.5
|
Mawrth 2001
|
1.9
|
1.6
|
0.4
|
8.3
|
Ebrill 2001
|
4.6
|
5.7
|
3.1
|
7.7
|
Mai 2001
|
5.3
|
5.3
|
4.7
|
8.1
|
Mehefin 2001
|
6.7
|
8.2
|
5.5
|
9.6
|
Gorffennaf 2001
|
5.8
|
5.5
|
5.0
|
8.6
|
Awst 2001
|
9.3
|
8.4
|
9.5
|
13.4
|
Medi 2001
|
8.7
|
8.8
|
8.7
|
10.6
|
Hydref 2001
|
9.5
|
9.3
|
9.8
|
11.9
|
Tachwedd 2001
|
11.7
|
10.9
|
11.6
|
14.6
|
Rhagfyr 2001
|
11.0
|
10.3
|
9.7
|
19.4
|
Ionawr 2002
|
9.8
|
10.7
|
8.8
|
12.7
|
Chwefror 2002
|
12.1
|
11.6
|
11.8
|
17.0
|
Mawrth 2002
|
14.0
|
13.4
|
13.5
|
18.3
|
Ebrill 2002
|
12.4
|
10.5
|
11.8
|
20.4
|
Mai 2002
|
14.8
|
13.2
|
14.2
|
21.8
|
Mehefin 2002
|
16.6
|
15.4
|
16.0
|
23.6
|
Gorffennaf 2002
|
18.6
|
16.9
|
18.5
|
25.5
|
Awst 2002
|
17.3
|
14.6
|
17.2
|
22.7
|
Medi 2002
|
20.0
|
17.5
|
18.8
|
27.8
|
Hydref 2002
|
21.9
|
19.8
|
21.0
|
27.9
|
Tachwedd 2002
|
25.1
|
22.9
|
25.0
|
32.4
|
Rhagfyr 2002
|
24.4
|
22.2
|
24.6
|
26.6
|
Ionawr 2003
|
23.3
|
20.3
|
24.7
|
26.2
|
Chwefror 2003
|
24.4
|
22.6
|
24.4
|
26.0
|
Mawrth 2003
|
27.3
|
25.4
|
27.1
|
33.0
|
Ebrill 2003
|
29.9
|
27.9
|
29.5
|
32.6
|
Mai 2003
|
28.0
|
26.1
|
27.7
|
30.4
|
Mehefin 2003
|
29.2
|
26.3
|
29.6
|
33.2
|
Gorffennaf 2003
|
30.8
|
26.4
|
31.6
|
33.2
|
Awst 2003
|
29.8
|
27.1
|
30.0
|
32.8
|
Medi 2003
|
31.4
|
27.4
|
33.1
|
34.4
|
Hydref 2003
|
32.3
|
29.1
|
34.1
|
33.2
|
Tachwedd 2003
|
29.5
|
25.5
|
30.6
|
30.8
|
Rhagfyr 2003
|
28.9
|
23.1
|
32.2
|
31.0
|
Ionawr 2004
|
34.8
|
29.4
|
36.1
|
41.1
|
Chwefror 2004
|
29.4
|
23.0
|
32.2
|
33.3
|
Mawrth 2004
|
29.3
|
25.0
|
32.5
|
27.8
|
Ebrill 2004
|
31.6
|
24.4
|
36.6
|
29.4
|
Mai 2004
|
32.6
|
25.4
|
38.0
|
31.3
|
Mehefin 2004
|
35.1
|
28.4
|
38.9
|
33.7
|
Gorffennaf 2004
|
32.9
|
25.9
|
37.2
|
32.0
|
Awst 2004
|
32.4
|
25.6
|
37.0
|
31.5
|
Medi 2004
|
30.4
|
25.5
|
34.5
|
27.9
|
Hydref 2004
|
28.4
|
23.5
|
32.1
|
27.7
|
Tachwedd 2004
|
23.5
|
18.9
|
27.6
|
21.7
|
Rhagfyr 2004
|
26.8
|
23.9
|
29.8
|
23.5
|
Ionawr 2005
|
22.5
|
18.7
|
26.4
|
18.2
|
Chwefror 2005
|
24.8
|
23.4
|
27.5
|
20.4
|
Mawrth 2005
|
21.0
|
19.1
|
24.0
|
15.1
|
Ebrill 2005
|
16.2
|
14.6
|
18.0
|
14.0
|
Mai 2005
|
14.5
|
14.9
|
15.7
|
11.4
|
Mehefin 2005
|
11.4
|
9.5
|
14.5
|
6.5
|
Gorffennaf 2005
|
10.2
|
9.9
|
11.8
|
6.8
|
Awst 2005
|
10.2
|
10.0
|
12.0
|
6.8
|
Medi 2005
|
9.7
|
8.1
|
12.3
|
6.1
|
Hydref 2005
|
8.4
|
6.7
|
10.6
|
5.6
|
Tachwedd 2005
|
12.5
|
11.4
|
14.5
|
8.9
|
Rhagfyr 2005
|
8.4
|
6.9
|
10.5
|
5.1
|
Ionawr 2006
|
10.4
|
8.8
|
12.4
|
8.0
|
Chwefror 2006
|
9.7
|
6.2
|
11.9
|
10.1
|
Mawrth 2006
|
9.9
|
6.8
|
11.8
|
10.3
|
Ebrill 2006
|
9.2
|
7.4
|
11.0
|
7.8
|
Mai 2006
|
8.3
|
5.9
|
9.8
|
8.4
|
Mehefin 2006
|
8.8
|
7.5
|
10.0
|
8.2
|
Gorffennaf 2006
|
7.4
|
5.6
|
9.3
|
7.2
|
Awst 2006
|
5.6
|
4.2
|
7.0
|
3.5
|
Medi 2006
|
8.6
|
7.5
|
9.1
|
8.5
|
Hydref 2006
|
8.3
|
6.5
|
9.5
|
8.3
|
Tachwedd 2006
|
6.1
|
4.3
|
7.1
|
6.0
|
Rhagfyr 2006
|
8.9
|
7.4
|
10.0
|
7.7
|
Ionawr 2007
|
7.7
|
5.4
|
8.5
|
8.5
|
Chwefror 2007
|
8.3
|
7.7
|
8.7
|
7.5
|
Mawrth 2007
|
6.7
|
5.8
|
8.2
|
4.7
|
Ebrill 2007
|
7.0
|
6.0
|
7.8
|
6.8
|
Mai 2007
|
7.0
|
5.1
|
8.0
|
7.4
|
Mehefin 2007
|
6.6
|
6.2
|
7.0
|
7.2
|
Gorffennaf 2007
|
7.0
|
7.7
|
7.3
|
6.2
|
Awst 2007
|
6.6
|
6.1
|
7.4
|
5.8
|
Medi 2007
|
5.1
|
5.0
|
5.8
|
4.8
|
Hydref 2007
|
4.7
|
5.1
|
5.3
|
4.1
|
Tachwedd 2007
|
6.2
|
6.8
|
6.5
|
6.0
|
Rhagfyr 2007
|
3.3
|
3.9
|
3.4
|
4.1
|
Ionawr 2008
|
2.2
|
3.2
|
2.3
|
2.1
|
Chwefror 2008
|
2.9
|
4.1
|
3.4
|
1.0
|
Mawrth 2008
|
1.1
|
2.9
|
0.6
|
0.2
|
Ebrill 2008
|
0.7
|
3.8
|
0.6
|
-1.2
|
Mai 2008
|
1.1
|
3.3
|
1.2
|
-2.4
|
Mehefin 2008
|
-1.6
|
0.4
|
-1.4
|
-5.0
|
Gorffennaf 2008
|
-5.1
|
-4.2
|
-5.1
|
-6.1
|
Awst 2008
|
-5.0
|
-3.5
|
-5.1
|
-6.6
|
Medi 2008
|
-8.2
|
-6.4
|
-8.6
|
-8.4
|
Hydref 2008
|
-9.8
|
-7.7
|
-10.2
|
-12.0
|
Tachwedd 2008
|
-10.8
|
-9.5
|
-11.2
|
-12.4
|
Rhagfyr 2008
|
-13.2
|
-11.8
|
-12.9
|
-16.3
|
Ionawr 2009
|
-12.3
|
-9.9
|
-12.5
|
-14.8
|
Chwefror 2009
|
-13.2
|
-12.4
|
-13.8
|
-13.4
|
Mawrth 2009
|
-12.4
|
-12.0
|
-12.5
|
-10.8
|
Ebrill 2009
|
-13.0
|
-13.2
|
-13.4
|
-13.2
|
Mai 2009
|
-12.8
|
-12.2
|
-13.0
|
-13.5
|
Mehefin 2009
|
-10.8
|
-10.0
|
-11.2
|
-10.6
|
Gorffennaf 2009
|
-8.6
|
-7.8
|
-8.6
|
-10.0
|
Awst 2009
|
-6.7
|
-6.6
|
-6.8
|
-7.7
|
Medi 2009
|
-2.5
|
-2.7
|
-1.9
|
-5.3
|
Hydref 2009
|
-1.1
|
-1.2
|
-0.5
|
-3.8
|
Tachwedd 2009
|
0.2
|
0.5
|
1.3
|
-2.2
|
Rhagfyr 2009
|
4.1
|
3.3
|
5.1
|
2.6
|
Ionawr 2010
|
1.0
|
1.6
|
1.5
|
-4.0
|
Chwefror 2010
|
4.1
|
5.0
|
5.0
|
-1.1
|
Mawrth 2010
|
5.2
|
7.4
|
5.2
|
0.3
|
Ebrill 2010
|
4.4
|
4.9
|
4.8
|
0.9
|
Mai 2010
|
2.8
|
4.3
|
3.0
|
0.7
|
Mehefin 2010
|
2.3
|
2.8
|
3.1
|
-1.6
|
Gorffennaf 2010
|
2.0
|
3.3
|
2.0
|
-1.1
|
Awst 2010
|
2.8
|
4.9
|
2.3
|
-0.1
|
Medi 2010
|
-1.2
|
0.6
|
-1.4
|
-4.6
|
Hydref 2010
|
1.4
|
2.7
|
0.6
|
0.5
|
Tachwedd 2010
|
-3.1
|
-1.3
|
-4.2
|
-4.4
|
Rhagfyr 2010
|
-4.4
|
-0.8
|
-5.8
|
-6.6
|
Ionawr 2011
|
-2.4
|
-1.0
|
-3.1
|
-2.3
|
Chwefror 2011
|
-4.2
|
-2.4
|
-5.1
|
-4.2
|
Mawrth 2011
|
-6.0
|
-4.4
|
-6.3
|
-8.3
|
Ebrill 2011
|
-3.2
|
-1.0
|
-3.6
|
-4.8
|
Mai 2011
|
-2.4
|
-1.1
|
-3.1
|
-3.3
|
Mehefin 2011
|
-3.2
|
-2.2
|
-4.1
|
-2.5
|
Gorffennaf 2011
|
-4.6
|
-4.2
|
-4.9
|
-4.5
|
Awst 2011
|
-7.3
|
-6.5
|
-7.6
|
-8.8
|
Medi 2011
|
-4.1
|
-3.9
|
-4.3
|
-4.7
|
Hydref 2011
|
-6.9
|
-5.7
|
-7.3
|
-8.1
|
Tachwedd 2011
|
-2.7
|
-2.6
|
-3.0
|
-4.0
|
Rhagfyr 2011
|
-3.6
|
-3.8
|
-3.8
|
-4.9
|
Ionawr 2012
|
-3.5
|
-5.2
|
-3.5
|
-3.3
|
Chwefror 2012
|
-2.5
|
-3.5
|
-1.8
|
-3.8
|
Mawrth 2012
|
0.8
|
-2.5
|
1.7
|
2.3
|
Ebrill 2012
|
-2.8
|
-3.3
|
-3.1
|
-2.6
|
Mai 2012
|
-3.6
|
-4.2
|
-3.4
|
-4.7
|
Mehefin 2012
|
-1.9
|
-2.9
|
-0.7
|
-3.6
|
Gorffennaf 2012
|
-0.4
|
-0.7
|
-0.1
|
-1.7
|
Awst 2012
|
2.4
|
1.3
|
3.5
|
1.8
|
Medi 2012
|
0.8
|
-0.5
|
1.2
|
1.7
|
Hydref 2012
|
0.5
|
-0.7
|
1.5
|
-0.4
|
Tachwedd 2012
|
-0.2
|
-1.1
|
0.9
|
-1.5
|
Rhagfyr 2012
|
-0.4
|
-0.4
|
0.1
|
-0.4
|
Ionawr 2013
|
0.5
|
0.4
|
0.7
|
0.4
|
Chwefror 2013
|
-1.6
|
-1.9
|
-1.6
|
-2.9
|
Mawrth 2013
|
-1.2
|
0.8
|
-1.9
|
-3.1
|
Ebrill 2013
|
-0.6
|
-0.7
|
-0.2
|
-1.6
|
Mai 2013
|
0.2
|
-0.1
|
0.5
|
-0.2
|
Mehefin 2013
|
-1.5
|
-1.0
|
-1.9
|
-2.1
|
Gorffennaf 2013
|
1.2
|
1.0
|
1.4
|
0.5
|
Awst 2013
|
0.4
|
-0.3
|
0.2
|
2.0
|
Medi 2013
|
0.8
|
1.9
|
0.5
|
-0.4
|
Hydref 2013
|
-3.4
|
-3.1
|
-4.1
|
-2.8
|
Tachwedd 2013
|
-0.3
|
-0.1
|
-1.0
|
-0.1
|
Rhagfyr 2013
|
1.2
|
0.8
|
1.1
|
0.3
|
Ionawr 2014
|
0.8
|
1.0
|
0.6
|
1.9
|
Chwefror 2014
|
2.5
|
2.0
|
1.8
|
5.7
|
Mawrth 2014
|
1.0
|
-0.0
|
0.8
|
1.6
|
Ebrill 2014
|
2.6
|
2.0
|
2.8
|
1.9
|
Mai 2014
|
2.4
|
2.1
|
2.5
|
1.8
|
Mehefin 2014
|
4.8
|
5.0
|
4.3
|
4.7
|
Gorffennaf 2014
|
2.3
|
1.8
|
2.0
|
3.4
|
Awst 2014
|
0.9
|
0.9
|
0.9
|
0.7
|
Medi 2014
|
0.9
|
-0.4
|
0.9
|
2.1
|
Hydref 2014
|
5.1
|
4.1
|
5.4
|
5.0
|
Tachwedd 2014
|
2.0
|
1.5
|
1.8
|
3.4
|
Rhagfyr 2014
|
2.2
|
2.3
|
1.5
|
3.8
|
Ionawr 2015
|
2.3
|
1.9
|
2.3
|
1.8
|
Chwefror 2015
|
3.3
|
3.3
|
3.8
|
2.4
|
Mawrth 2015
|
1.1
|
1.7
|
0.4
|
2.4
|
Ebrill 2015
|
2.8
|
3.1
|
2.4
|
4.3
|
Mai 2015
|
1.7
|
1.7
|
1.2
|
3.1
|
Mehefin 2015
|
1.1
|
1.3
|
1.1
|
0.4
|
Gorffennaf 2015
|
1.2
|
1.7
|
0.6
|
0.9
|
Awst 2015
|
1.9
|
2.6
|
1.3
|
2.2
|
Medi 2015
|
2.5
|
4.0
|
1.9
|
2.6
|
Hydref 2015
|
2.4
|
2.3
|
2.0
|
4.6
|
Tachwedd 2015
|
3.6
|
4.1
|
3.5
|
2.6
|
Rhagfyr 2015
|
4.0
|
5.1
|
3.9
|
2.6
|
Ionawr 2016
|
3.4
|
3.3
|
3.1
|
2.9
|
Chwefror 2016
|
2.2
|
2.3
|
1.9
|
0.8
|
Mawrth 2016
|
4.5
|
4.7
|
4.9
|
3.8
|
Ebrill 2016
|
0.7
|
0.5
|
0.5
|
-0.8
|
Mai 2016
|
3.4
|
3.2
|
3.2
|
4.1
|
Mehefin 2016
|
3.5
|
4.2
|
3.1
|
4.4
|
Gorffennaf 2016
|
4.1
|
4.2
|
4.3
|
4.4
|
Awst 2016
|
2.0
|
1.9
|
1.8
|
3.1
|
Medi 2016
|
1.2
|
0.8
|
1.1
|
1.4
|
Hydref 2016
|
2.2
|
3.2
|
1.4
|
2.6
|
Tachwedd 2016
|
1.5
|
2.7
|
0.6
|
3.3
|
Rhagfyr 2016
|
2.2
|
2.1
|
1.7
|
4.7
|
Ionawr 2017
|
0.8
|
2.5
|
-0.1
|
2.2
|
Chwefror 2017
|
2.5
|
3.9
|
1.6
|
4.6
|
Mawrth 2017
|
-0.8
|
0.4
|
-1.8
|
-0.4
|
Ebrill 2017
|
2.0
|
3.0
|
0.9
|
5.1
|
Mai 2017
|
1.9
|
2.7
|
1.0
|
3.1
|
Mehefin 2017
|
0.9
|
0.9
|
0.6
|
2.9
|
Gorffennaf 2017
|
0.2
|
0.8
|
-0.7
|
1.6
|
Awst 2017
|
2.9
|
3.3
|
2.6
|
3.5
|
Medi 2017
|
2.2
|
3.0
|
1.9
|
2.2
|
Hydref 2017
|
3.5
|
3.1
|
3.6
|
3.2
|
Tachwedd 2017
|
1.8
|
0.8
|
2.3
|
1.7
|
Rhagfyr 2017
|
3.0
|
2.7
|
3.1
|
1.8
|
Ionawr 2018
|
1.7
|
1.2
|
1.5
|
1.7
|
Chwefror 2018
|
1.9
|
2.4
|
1.7
|
0.7
|
Mawrth 2018
|
1.8
|
0.6
|
2.1
|
1.7
|
Ebrill 2018
|
2.8
|
2.5
|
3.3
|
0.5
|
Mai 2018
|
1.4
|
2.1
|
1.9
|
-2.5
|
Mehefin 2018
|
-0.0
|
-0.2
|
-1.0
|
-0.3
|
Gorffennaf 2018
|
2.6
|
3.2
|
2.7
|
-0.5
|
Awst 2018
|
0.5
|
1.0
|
0.2
|
-1.6
|
Medi 2018
|
2.1
|
1.8
|
1.9
|
1.0
|
Hydref 2018
|
1.7
|
2.2
|
1.8
|
0.0
|
Tachwedd 2018
|
1.4
|
1.7
|
1.3
|
-0.2
|
Rhagfyr 2018
|
-1.1
|
-1.2
|
-1.4
|
-1.1
|
Ionawr 2019
|
1.0
|
1.8
|
0.8
|
-0.9
|
Chwefror 2019
|
-1.5
|
-1.5
|
-1.9
|
-2.9
|
Mawrth 2019
|
0.5
|
1.0
|
0.2
|
-2.2
|
Ebrill 2019
|
0.4
|
0.7
|
0.5
|
-2.0
|
Mai 2019
|
0.0
|
-0.4
|
-0.2
|
-0.8
|
Mehefin 2019
|
1.1
|
1.4
|
1.6
|
-1.2
|
Gorffennaf 2019
|
-1.1
|
-1.1
|
-1.3
|
-1.0
|
Awst 2019
|
0.8
|
0.3
|
1.3
|
-0.4
|
Medi 2019
|
1.3
|
0.7
|
1.9
|
1.3
|
Hydref 2019
|
-1.1
|
-1.4
|
-1.3
|
-3.0
|
Tachwedd 2019
|
0.5
|
0.1
|
0.6
|
-1.2
|
Rhagfyr 2019
|
0.5
|
0.2
|
1.0
|
-2.4
|
Ionawr 2020
|
1.5
|
1.3
|
2.0
|
-1.1
|
Chwefror 2020
|
2.0
|
1.0
|
2.9
|
0.4
|
Mawrth 2020
|
2.9
|
3.5
|
3.1
|
1.1
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ebrill 1992
|
0.0
|
|
|
|
Mai 1992
|
0.0
|
|
|
|
Mehefin 1992
|
0.0
|
|
|
|
Gorffennaf 1992
|
-4.9
|
|
|
|
Awst 1992
|
-4.9
|
|
|
|
Medi 1992
|
-4.9
|
|
|
|
Hydref 1992
|
5.7
|
|
|
|
Tachwedd 1992
|
5.7
|
|
|
|
Rhagfyr 1992
|
5.7
|
|
|
|
Ionawr 1993
|
-3.2
|
|
|
|
Chwefror 1993
|
-3.2
|
|
|
|
Mawrth 1993
|
-3.2
|
|
|
|
Ebrill 1993
|
3.6
|
|
|
|
Mai 1993
|
3.6
|
|
|
|
Mehefin 1993
|
3.6
|
|
|
|
Gorffennaf 1993
|
2.3
|
|
|
|
Awst 1993
|
2.3
|
|
|
|
Medi 1993
|
2.3
|
|
|
|
Hydref 1993
|
-2.6
|
|
|
|
Tachwedd 1993
|
-2.6
|
|
|
|
Rhagfyr 1993
|
-2.6
|
|
|
|
Ionawr 1994
|
1.2
|
|
|
|
Chwefror 1994
|
1.2
|
|
|
|
Mawrth 1994
|
1.2
|
|
|
|
Ebrill 1994
|
-0.8
|
|
|
|
Mai 1994
|
-0.8
|
|
|
|
Mehefin 1994
|
-0.8
|
|
|
|
Gorffennaf 1994
|
4.3
|
|
|
|
Awst 1994
|
4.3
|
|
|
|
Medi 1994
|
4.3
|
|
|
|
Hydref 1994
|
0.0
|
|
|
|
Tachwedd 1994
|
0.0
|
|
|
|
Rhagfyr 1994
|
0.0
|
|
|
|
Ionawr 1995
|
|
|
|
|
Chwefror 1995
|
1.2
|
-0.3
|
0.9
|
1.1
|
Mawrth 1995
|
-0.5
|
-0.2
|
0.2
|
-1.1
|
Ebrill 1995
|
-0.6
|
-1.3
|
-0.7
|
0.7
|
Mai 1995
|
2.8
|
2.2
|
2.8
|
2.5
|
Mehefin 1995
|
-2.2
|
-1.4
|
-2.7
|
-1.4
|
Gorffennaf 1995
|
2.3
|
3.6
|
2.5
|
1.3
|
Awst 1995
|
-3.2
|
-3.7
|
-3.2
|
-3.8
|
Medi 1995
|
-0.1
|
-0.7
|
0.1
|
0.3
|
Hydref 1995
|
-0.4
|
1.2
|
-1.3
|
-1.2
|
Tachwedd 1995
|
0.1
|
0.0
|
0.1
|
0.4
|
Rhagfyr 1995
|
1.4
|
0.5
|
1.9
|
0.4
|
Ionawr 1996
|
-3.6
|
-1.6
|
-4.4
|
-3.3
|
Chwefror 1996
|
-0.2
|
-1.4
|
0.4
|
-1.4
|
Mawrth 1996
|
2.5
|
3.1
|
1.9
|
2.6
|
Ebrill 1996
|
-0.4
|
-0.3
|
0.6
|
0.7
|
Mai 1996
|
3.4
|
2.4
|
4.1
|
1.0
|
Mehefin 1996
|
-0.3
|
-0.4
|
-1.0
|
3.9
|
Gorffennaf 1996
|
-0.1
|
1.4
|
-0.8
|
-1.4
|
Awst 1996
|
1.3
|
1.9
|
1.6
|
-0.1
|
Medi 1996
|
-0.7
|
-1.8
|
-0.8
|
1.6
|
Hydref 1996
|
-1.3
|
-0.3
|
-1.5
|
-4.1
|
Tachwedd 1996
|
0.6
|
-0.4
|
1.5
|
-0.2
|
Rhagfyr 1996
|
-0.4
|
-0.8
|
-0.6
|
0.8
|
Ionawr 1997
|
-0.7
|
0.5
|
-1.0
|
-0.8
|
Chwefror 1997
|
0.5
|
0.7
|
-0.0
|
1.9
|
Mawrth 1997
|
0.4
|
-0.0
|
1.3
|
-1.4
|
Ebrill 1997
|
2.9
|
2.5
|
2.6
|
4.5
|
Mai 1997
|
0.3
|
-0.1
|
0.5
|
-1.3
|
Mehefin 1997
|
1.2
|
2.1
|
1.3
|
1.2
|
Gorffennaf 1997
|
2.1
|
2.6
|
2.3
|
0.5
|
Awst 1997
|
-1.7
|
-2.3
|
-2.0
|
0.1
|
Medi 1997
|
-2.3
|
-2.0
|
-2.3
|
-1.7
|
Hydref 1997
|
0.5
|
1.2
|
0.0
|
-1.4
|
Tachwedd 1997
|
0.1
|
-0.4
|
0.2
|
1.2
|
Rhagfyr 1997
|
0.8
|
0.1
|
0.8
|
0.7
|
Ionawr 1998
|
-0.3
|
1.1
|
-0.2
|
-0.1
|
Chwefror 1998
|
-1.7
|
-3.1
|
-2.5
|
2.0
|
Mawrth 1998
|
2.9
|
3.2
|
3.6
|
-0.3
|
Ebrill 1998
|
0.6
|
0.7
|
0.8
|
-0.0
|
Mai 1998
|
0.3
|
-0.4
|
0.5
|
2.2
|
Mehefin 1998
|
1.8
|
2.3
|
1.3
|
2.0
|
Gorffennaf 1998
|
-0.4
|
1.0
|
-0.2
|
-3.3
|
Awst 1998
|
1.7
|
1.2
|
1.6
|
3.9
|
Medi 1998
|
-0.1
|
0.4
|
-0.1
|
-1.9
|
Hydref 1998
|
-2.1
|
-1.6
|
-2.7
|
-1.3
|
Tachwedd 1998
|
-0.2
|
-0.8
|
-0.5
|
1.7
|
Rhagfyr 1998
|
1.1
|
-0.7
|
1.7
|
3.4
|
Ionawr 1999
|
-1.2
|
0.3
|
-1.5
|
-3.9
|
Chwefror 1999
|
-3.3
|
-3.6
|
-3.3
|
-3.4
|
Mawrth 1999
|
3.5
|
4.5
|
3.3
|
2.9
|
Ebrill 1999
|
1.2
|
-0.4
|
2.3
|
2.0
|
Mai 1999
|
0.3
|
0.8
|
-0.1
|
0.4
|
Mehefin 1999
|
3.2
|
3.9
|
3.3
|
2.7
|
Gorffennaf 1999
|
0.2
|
0.9
|
0.4
|
-0.6
|
Awst 1999
|
-0.1
|
-1.0
|
0.1
|
1.0
|
Medi 1999
|
0.1
|
0.7
|
-0.8
|
2.2
|
Hydref 1999
|
2.6
|
2.6
|
2.2
|
1.4
|
Tachwedd 1999
|
-0.6
|
-1.1
|
0.1
|
-0.8
|
Rhagfyr 1999
|
-0.8
|
-0.8
|
-0.8
|
-0.4
|
Ionawr 2000
|
-1.4
|
-0.7
|
-2.0
|
-2.8
|
Chwefror 2000
|
0.3
|
0.2
|
0.3
|
1.1
|
Mawrth 2000
|
1.9
|
2.0
|
2.0
|
0.5
|
Ebrill 2000
|
1.6
|
1.7
|
1.9
|
2.4
|
Mai 2000
|
0.6
|
0.4
|
-0.1
|
1.8
|
Mehefin 2000
|
-1.6
|
-2.9
|
-1.2
|
-0.5
|
Gorffennaf 2000
|
2.9
|
6.3
|
2.1
|
1.4
|
Awst 2000
|
0.6
|
0.6
|
-0.2
|
1.6
|
Medi 2000
|
-2.5
|
-2.9
|
-2.2
|
-2.5
|
Hydref 2000
|
0.1
|
-0.1
|
-0.6
|
0.9
|
Tachwedd 2000
|
-1.0
|
-0.8
|
-0.7
|
-0.9
|
Rhagfyr 2000
|
2.7
|
1.3
|
3.1
|
3.5
|
Ionawr 2001
|
-1.0
|
0.3
|
-1.4
|
-1.5
|
Chwefror 2001
|
-1.6
|
-2.0
|
-1.5
|
-1.2
|
Mawrth 2001
|
1.1
|
-0.2
|
1.2
|
3.1
|
Ebrill 2001
|
4.3
|
5.9
|
4.6
|
1.8
|
Mai 2001
|
1.3
|
0.0
|
1.5
|
2.2
|
Mehefin 2001
|
-0.3
|
-0.3
|
-0.4
|
0.8
|
Gorffennaf 2001
|
2.1
|
3.7
|
1.6
|
0.5
|
Awst 2001
|
3.9
|
3.3
|
4.1
|
6.1
|
Medi 2001
|
-3.1
|
-2.5
|
-2.9
|
-4.9
|
Hydref 2001
|
0.9
|
0.4
|
0.5
|
2.1
|
Tachwedd 2001
|
1.0
|
0.7
|
0.9
|
1.5
|
Rhagfyr 2001
|
2.0
|
0.8
|
1.3
|
7.9
|
Ionawr 2002
|
-2.0
|
0.7
|
-2.2
|
-7.1
|
Chwefror 2002
|
0.4
|
-1.2
|
1.2
|
2.7
|
Mawrth 2002
|
2.8
|
1.4
|
2.7
|
4.2
|
Ebrill 2002
|
3.0
|
3.1
|
3.1
|
3.6
|
Mai 2002
|
3.4
|
2.4
|
3.7
|
3.4
|
Mehefin 2002
|
1.3
|
1.7
|
1.2
|
2.3
|
Gorffennaf 2002
|
3.8
|
5.0
|
3.8
|
2.0
|
Awst 2002
|
2.7
|
1.2
|
2.9
|
3.7
|
Medi 2002
|
-0.9
|
0.0
|
-1.6
|
-1.0
|
Hydref 2002
|
2.5
|
2.3
|
2.4
|
2.3
|
Tachwedd 2002
|
3.7
|
3.4
|
4.2
|
5.0
|
Rhagfyr 2002
|
1.4
|
0.2
|
1.0
|
3.2
|
Ionawr 2003
|
-2.8
|
-0.8
|
-2.1
|
-7.3
|
Chwefror 2003
|
1.3
|
0.7
|
1.0
|
2.5
|
Mawrth 2003
|
5.2
|
3.7
|
5.0
|
10.0
|
Ebrill 2003
|
5.1
|
5.2
|
5.0
|
3.3
|
Mai 2003
|
1.9
|
1.0
|
2.2
|
1.7
|
Mehefin 2003
|
2.3
|
1.8
|
2.7
|
4.5
|
Gorffennaf 2003
|
5.1
|
5.1
|
5.3
|
2.0
|
Awst 2003
|
1.9
|
1.8
|
1.6
|
3.4
|
Medi 2003
|
0.4
|
0.2
|
0.8
|
0.2
|
Hydref 2003
|
3.1
|
3.7
|
3.2
|
1.4
|
Tachwedd 2003
|
1.5
|
0.5
|
1.4
|
3.1
|
Rhagfyr 2003
|
1.0
|
-1.7
|
2.2
|
3.4
|
Ionawr 2004
|
1.6
|
4.2
|
0.8
|
-0.2
|
Chwefror 2004
|
-2.7
|
-4.2
|
-2.0
|
-3.2
|
Mawrth 2004
|
5.1
|
5.4
|
5.2
|
5.5
|
Ebrill 2004
|
7.0
|
4.7
|
8.4
|
4.6
|
Mai 2004
|
2.7
|
1.8
|
3.3
|
3.2
|
Mehefin 2004
|
4.2
|
4.2
|
3.3
|
6.4
|
Gorffennaf 2004
|
3.4
|
3.1
|
4.1
|
0.7
|
Awst 2004
|
1.5
|
1.6
|
1.5
|
3.0
|
Medi 2004
|
-1.1
|
0.0
|
-1.1
|
-2.6
|
Hydref 2004
|
1.6
|
2.0
|
1.4
|
1.2
|
Tachwedd 2004
|
-2.4
|
-3.2
|
-2.0
|
-1.8
|
Rhagfyr 2004
|
3.6
|
2.4
|
4.0
|
4.9
|
Ionawr 2005
|
-1.8
|
-0.1
|
-1.9
|
-4.4
|
Chwefror 2005
|
-0.9
|
-0.4
|
-1.1
|
-1.4
|
Mawrth 2005
|
1.9
|
1.7
|
2.3
|
0.8
|
Ebrill 2005
|
2.6
|
0.7
|
3.2
|
3.6
|
Mai 2005
|
1.2
|
2.1
|
1.2
|
0.9
|
Mehefin 2005
|
1.4
|
-0.7
|
2.3
|
1.7
|
Gorffennaf 2005
|
2.3
|
3.5
|
1.6
|
1.0
|
Awst 2005
|
1.4
|
1.7
|
1.7
|
2.9
|
Medi 2005
|
-1.5
|
-1.7
|
-0.8
|
-3.2
|
Hydref 2005
|
0.3
|
0.7
|
-0.1
|
0.7
|
Tachwedd 2005
|
1.3
|
1.0
|
1.4
|
1.3
|
Rhagfyr 2005
|
-0.1
|
-1.7
|
0.4
|
1.3
|
Ionawr 2006
|
-0.0
|
1.7
|
-0.1
|
-1.8
|
Chwefror 2006
|
-1.6
|
-2.8
|
-1.6
|
0.5
|
Mawrth 2006
|
2.2
|
2.2
|
2.2
|
1.0
|
Ebrill 2006
|
2.0
|
1.4
|
2.5
|
1.3
|
Mai 2006
|
0.4
|
0.6
|
0.2
|
1.4
|
Mehefin 2006
|
1.8
|
0.9
|
2.5
|
1.6
|
Gorffennaf 2006
|
0.9
|
1.6
|
1.0
|
0.1
|
Awst 2006
|
-0.2
|
0.4
|
-0.4
|
-0.6
|
Medi 2006
|
1.3
|
1.4
|
1.0
|
1.4
|
Hydref 2006
|
0.1
|
-0.2
|
0.2
|
0.5
|
Tachwedd 2006
|
-0.8
|
-1.1
|
-0.8
|
-0.9
|
Rhagfyr 2006
|
2.5
|
1.2
|
3.0
|
3.0
|
Ionawr 2007
|
-1.1
|
-0.2
|
-1.4
|
-1.0
|
Chwefror 2007
|
-1.0
|
-0.7
|
-1.5
|
-0.4
|
Mawrth 2007
|
0.7
|
0.3
|
1.8
|
-1.6
|
Ebrill 2007
|
2.2
|
1.6
|
2.1
|
3.4
|
Mai 2007
|
0.4
|
-0.2
|
0.3
|
1.9
|
Mehefin 2007
|
1.5
|
1.9
|
1.5
|
1.3
|
Gorffennaf 2007
|
1.3
|
3.0
|
1.3
|
-0.8
|
Awst 2007
|
-0.6
|
-1.1
|
-0.4
|
-1.0
|
Medi 2007
|
-0.2
|
0.4
|
-0.4
|
0.5
|
Hydref 2007
|
-0.3
|
-0.1
|
-0.3
|
-0.1
|
Tachwedd 2007
|
0.6
|
0.6
|
0.3
|
0.9
|
Rhagfyr 2007
|
-0.2
|
-1.6
|
0.1
|
1.1
|
Ionawr 2008
|
-2.2
|
-0.9
|
-2.5
|
-2.9
|
Chwefror 2008
|
-0.3
|
0.2
|
-0.4
|
-1.6
|
Mawrth 2008
|
-1.1
|
-0.9
|
-1.0
|
-2.3
|
Ebrill 2008
|
1.8
|
2.6
|
2.1
|
1.9
|
Mai 2008
|
0.8
|
-0.7
|
0.9
|
0.7
|
Mehefin 2008
|
-1.2
|
-0.9
|
-1.0
|
-1.4
|
Gorffennaf 2008
|
-2.3
|
-1.8
|
-2.6
|
-2.0
|
Awst 2008
|
-0.6
|
-0.4
|
-0.4
|
-1.5
|
Medi 2008
|
-3.5
|
-2.7
|
-4.1
|
-1.5
|
Hydref 2008
|
-2.0
|
-1.5
|
-2.0
|
-4.0
|
Tachwedd 2008
|
-0.4
|
-1.3
|
-0.7
|
0.4
|
Rhagfyr 2008
|
-2.9
|
-4.1
|
-1.9
|
-3.4
|
Ionawr 2009
|
-1.3
|
1.3
|
-2.0
|
-1.2
|
Chwefror 2009
|
-1.2
|
-2.6
|
-1.9
|
0.1
|
Mawrth 2009
|
-0.1
|
-0.5
|
0.6
|
0.7
|
Ebrill 2009
|
1.0
|
1.1
|
1.0
|
-0.8
|
Mai 2009
|
1.1
|
0.6
|
1.4
|
0.3
|
Mehefin 2009
|
1.1
|
1.5
|
1.0
|
2.0
|
Gorffennaf 2009
|
0.1
|
0.6
|
0.3
|
-1.3
|
Awst 2009
|
1.4
|
0.9
|
1.5
|
1.0
|
Medi 2009
|
0.9
|
1.4
|
1.0
|
1.1
|
Hydref 2009
|
-0.5
|
0.1
|
-0.6
|
-2.5
|
Tachwedd 2009
|
0.8
|
0.3
|
1.0
|
2.2
|
Rhagfyr 2009
|
0.9
|
-1.5
|
1.8
|
1.3
|
Ionawr 2010
|
-4.2
|
-0.4
|
-5.4
|
-7.6
|
Chwefror 2010
|
1.7
|
0.7
|
1.5
|
3.1
|
Mawrth 2010
|
0.9
|
1.8
|
0.8
|
2.2
|
Ebrill 2010
|
0.2
|
-1.3
|
0.6
|
-0.2
|
Mai 2010
|
-0.4
|
0.0
|
-0.4
|
0.1
|
Mehefin 2010
|
0.6
|
0.0
|
1.0
|
-0.4
|
Gorffennaf 2010
|
-0.2
|
1.1
|
-0.8
|
-0.8
|
Awst 2010
|
2.3
|
2.5
|
1.9
|
2.0
|
Medi 2010
|
-3.1
|
-2.7
|
-2.7
|
-3.5
|
Hydref 2010
|
2.1
|
2.1
|
1.4
|
2.7
|
Tachwedd 2010
|
-3.6
|
-3.5
|
-3.8
|
-2.8
|
Rhagfyr 2010
|
-0.5
|
-1.0
|
0.0
|
-1.1
|
Ionawr 2011
|
-2.2
|
-0.6
|
-2.7
|
-3.3
|
Chwefror 2011
|
-0.3
|
-0.7
|
-0.5
|
1.1
|
Mawrth 2011
|
-0.9
|
-0.3
|
-0.5
|
-2.3
|
Ebrill 2011
|
3.2
|
2.2
|
3.5
|
3.6
|
Mai 2011
|
0.4
|
0.0
|
0.2
|
1.6
|
Mehefin 2011
|
-0.3
|
-1.1
|
0.0
|
0.5
|
Gorffennaf 2011
|
-1.7
|
-1.0
|
-1.6
|
-2.9
|
Awst 2011
|
-0.6
|
0.1
|
-1.0
|
-2.6
|
Medi 2011
|
0.2
|
0.1
|
0.8
|
0.9
|
Hydref 2011
|
-0.8
|
0.2
|
-1.8
|
-1.0
|
Tachwedd 2011
|
0.7
|
-0.4
|
0.7
|
1.5
|
Rhagfyr 2011
|
-1.4
|
-2.3
|
-0.8
|
-1.9
|
Ionawr 2012
|
-2.0
|
-2.0
|
-2.4
|
-1.7
|
Chwefror 2012
|
0.7
|
1.0
|
1.2
|
0.6
|
Mawrth 2012
|
2.4
|
0.8
|
3.0
|
4.0
|
Ebrill 2012
|
-0.5
|
1.4
|
-1.4
|
-1.3
|
Mai 2012
|
-0.4
|
-0.9
|
-0.1
|
-0.6
|
Mehefin 2012
|
1.6
|
0.2
|
2.8
|
1.6
|
Gorffennaf 2012
|
-0.3
|
1.2
|
-1.0
|
-1.0
|
Awst 2012
|
2.2
|
2.1
|
2.5
|
0.8
|
Medi 2012
|
-1.3
|
-1.7
|
-1.5
|
0.9
|
Hydref 2012
|
-1.1
|
0.0
|
-1.4
|
-3.0
|
Tachwedd 2012
|
-0.1
|
-0.8
|
0.1
|
0.3
|
Rhagfyr 2012
|
-1.6
|
-1.5
|
-1.6
|
-0.8
|
Ionawr 2013
|
-1.1
|
-1.2
|
-1.8
|
-0.9
|
Chwefror 2013
|
-1.4
|
-1.2
|
-1.1
|
-2.7
|
Mawrth 2013
|
2.8
|
3.5
|
2.6
|
3.7
|
Ebrill 2013
|
0.2
|
-0.2
|
0.3
|
0.2
|
Mai 2013
|
0.4
|
-0.3
|
0.6
|
0.8
|
Mehefin 2013
|
-0.2
|
-0.7
|
0.4
|
-0.3
|
Gorffennaf 2013
|
2.5
|
3.3
|
2.3
|
1.7
|
Awst 2013
|
1.4
|
0.8
|
1.3
|
2.3
|
Medi 2013
|
-0.9
|
0.4
|
-1.2
|
-1.5
|
Hydref 2013
|
-5.3
|
-4.9
|
-5.9
|
-5.4
|
Tachwedd 2013
|
3.2
|
2.3
|
3.3
|
3.2
|
Rhagfyr 2013
|
-0.2
|
-0.6
|
0.5
|
-0.5
|
Ionawr 2014
|
-1.5
|
-1.1
|
-2.2
|
0.7
|
Chwefror 2014
|
0.2
|
-0.3
|
0.1
|
0.9
|
Mawrth 2014
|
1.3
|
1.4
|
1.6
|
-0.4
|
Ebrill 2014
|
1.7
|
1.8
|
2.2
|
0.6
|
Mai 2014
|
0.2
|
-0.2
|
0.4
|
0.7
|
Mehefin 2014
|
2.2
|
2.1
|
2.1
|
2.5
|
Gorffennaf 2014
|
0.1
|
0.1
|
0.1
|
0.4
|
Awst 2014
|
0.0
|
-0.0
|
0.2
|
-0.3
|
Medi 2014
|
-0.9
|
-0.9
|
-1.2
|
-0.2
|
Hydref 2014
|
-1.4
|
-0.6
|
-1.7
|
-2.7
|
Tachwedd 2014
|
0.1
|
-0.3
|
-0.2
|
1.6
|
Rhagfyr 2014
|
0.0
|
0.2
|
0.2
|
-0.1
|
Ionawr 2015
|
-1.4
|
-1.5
|
-1.4
|
-1.3
|
Chwefror 2015
|
1.2
|
1.1
|
1.5
|
1.6
|
Mawrth 2015
|
-0.8
|
-0.2
|
-1.6
|
-0.4
|
Ebrill 2015
|
3.4
|
3.3
|
4.2
|
2.5
|
Mai 2015
|
-0.8
|
-1.5
|
-0.8
|
-0.6
|
Mehefin 2015
|
1.6
|
1.7
|
2.1
|
-0.2
|
Gorffennaf 2015
|
0.1
|
0.5
|
-0.5
|
1.0
|
Awst 2015
|
0.8
|
0.8
|
0.9
|
0.9
|
Medi 2015
|
-0.3
|
0.4
|
-0.6
|
0.2
|
Hydref 2015
|
-1.4
|
-2.2
|
-1.6
|
-0.8
|
Tachwedd 2015
|
1.2
|
1.5
|
1.2
|
-0.3
|
Rhagfyr 2015
|
0.5
|
1.2
|
0.5
|
-0.1
|
Ionawr 2016
|
-2.0
|
-3.2
|
-2.2
|
-0.9
|
Chwefror 2016
|
-0.0
|
0.1
|
0.3
|
-0.5
|
Mawrth 2016
|
1.4
|
2.1
|
1.3
|
2.5
|
Ebrill 2016
|
-0.3
|
-0.8
|
-0.2
|
-2.0
|
Mai 2016
|
1.8
|
1.1
|
1.9
|
4.4
|
Mehefin 2016
|
1.8
|
2.7
|
2.0
|
0.1
|
Gorffennaf 2016
|
0.6
|
0.5
|
0.7
|
1.0
|
Awst 2016
|
-1.2
|
-1.4
|
-1.5
|
-0.3
|
Medi 2016
|
-1.1
|
-0.6
|
-1.3
|
-1.5
|
Hydref 2016
|
-0.5
|
0.2
|
-1.4
|
0.4
|
Tachwedd 2016
|
0.6
|
1.0
|
0.4
|
0.4
|
Rhagfyr 2016
|
1.1
|
0.6
|
1.7
|
1.2
|
Ionawr 2017
|
-3.4
|
-2.7
|
-4.0
|
-3.3
|
Chwefror 2017
|
1.7
|
1.5
|
2.0
|
1.8
|
Mawrth 2017
|
-1.8
|
-1.3
|
-2.1
|
-2.4
|
Ebrill 2017
|
2.5
|
1.7
|
2.6
|
3.4
|
Mai 2017
|
1.7
|
0.7
|
2.0
|
2.4
|
Mehefin 2017
|
0.8
|
0.9
|
1.6
|
-0.1
|
Gorffennaf 2017
|
-0.1
|
0.3
|
-0.6
|
-0.2
|
Awst 2017
|
1.4
|
1.1
|
1.8
|
1.5
|
Medi 2017
|
-1.7
|
-1.0
|
-1.9
|
-2.7
|
Hydref 2017
|
0.8
|
0.3
|
0.3
|
1.4
|
Tachwedd 2017
|
-1.1
|
-1.3
|
-0.9
|
-1.1
|
Rhagfyr 2017
|
2.4
|
2.5
|
2.5
|
1.4
|
Ionawr 2018
|
-4.6
|
-4.2
|
-5.4
|
-3.5
|
Chwefror 2018
|
1.8
|
2.6
|
2.2
|
0.9
|
Mawrth 2018
|
-1.9
|
-3.0
|
-1.7
|
-1.5
|
Ebrill 2018
|
3.5
|
3.6
|
3.7
|
2.2
|
Mai 2018
|
0.4
|
0.4
|
0.6
|
-0.7
|
Mehefin 2018
|
-0.6
|
-1.4
|
-1.3
|
2.2
|
Gorffennaf 2018
|
2.5
|
3.8
|
3.0
|
-0.4
|
Awst 2018
|
-0.7
|
-1.1
|
-0.7
|
0.3
|
Medi 2018
|
-0.1
|
-0.2
|
-0.2
|
-0.0
|
Hydref 2018
|
0.4
|
0.7
|
0.2
|
0.3
|
Tachwedd 2018
|
-1.4
|
-1.8
|
-1.3
|
-1.3
|
Rhagfyr 2018
|
-0.2
|
-0.4
|
-0.2
|
0.4
|
Ionawr 2019
|
-2.5
|
-1.3
|
-3.4
|
-3.3
|
Chwefror 2019
|
-0.7
|
-0.7
|
-0.5
|
-1.1
|
Mawrth 2019
|
0.1
|
-0.5
|
0.4
|
-0.8
|
Ebrill 2019
|
3.4
|
3.3
|
4.1
|
2.4
|
Mai 2019
|
-0.0
|
-0.7
|
-0.1
|
0.6
|
Mehefin 2019
|
0.5
|
0.3
|
0.4
|
1.8
|
Gorffennaf 2019
|
0.3
|
1.2
|
0.2
|
-0.3
|
Awst 2019
|
1.2
|
0.4
|
1.9
|
1.0
|
Medi 2019
|
0.4
|
0.1
|
0.4
|
1.7
|
Hydref 2019
|
-2.0
|
-1.4
|
-3.0
|
-3.9
|
Tachwedd 2019
|
0.1
|
-0.4
|
0.5
|
0.5
|
Rhagfyr 2019
|
-0.1
|
-0.2
|
0.2
|
-0.8
|
Ionawr 2020
|
-1.5
|
-0.2
|
-2.4
|
-2.0
|
Chwefror 2020
|
-0.3
|
-1.0
|
0.4
|
0.4
|
Mawrth 2020
|
1.0
|
1.9
|
0.6
|
-0.2
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ebrill 1992
|
36.1
|
|
|
|
Mai 1992
|
36.1
|
|
|
|
Mehefin 1992
|
36.1
|
|
|
|
Gorffennaf 1992
|
34.4
|
|
|
|
Awst 1992
|
34.4
|
|
|
|
Medi 1992
|
34.4
|
|
|
|
Hydref 1992
|
36.3
|
|
|
|
Tachwedd 1992
|
36.3
|
|
|
|
Rhagfyr 1992
|
36.3
|
|
|
|
Ionawr 1993
|
35.2
|
|
|
|
Chwefror 1993
|
35.2
|
|
|
|
Mawrth 1993
|
35.2
|
|
|
|
Ebrill 1993
|
36.4
|
|
|
|
Mai 1993
|
36.4
|
|
|
|
Mehefin 1993
|
36.4
|
|
|
|
Gorffennaf 1993
|
37.2
|
|
|
|
Awst 1993
|
37.2
|
|
|
|
Medi 1993
|
37.2
|
|
|
|
Hydref 1993
|
36.3
|
|
|
|
Tachwedd 1993
|
36.3
|
|
|
|
Rhagfyr 1993
|
36.3
|
|
|
|
Ionawr 1994
|
36.7
|
|
|
|
Chwefror 1994
|
36.7
|
|
|
|
Mawrth 1994
|
36.7
|
|
|
|
Ebrill 1994
|
36.4
|
|
|
|
Mai 1994
|
36.4
|
|
|
|
Mehefin 1994
|
36.4
|
|
|
|
Gorffennaf 1994
|
38.0
|
|
|
|
Awst 1994
|
38.0
|
|
|
|
Medi 1994
|
38.0
|
|
|
|
Hydref 1994
|
38.0
|
|
|
|
Tachwedd 1994
|
38.0
|
|
|
|
Rhagfyr 1994
|
38.0
|
|
|
|
Ionawr 1995
|
35.9
|
37.8
|
34.7
|
36.5
|
Chwefror 1995
|
36.3
|
37.7
|
35.0
|
36.9
|
Mawrth 1995
|
36.2
|
37.6
|
35.1
|
36.5
|
Ebrill 1995
|
35.9
|
37.1
|
34.8
|
36.8
|
Mai 1995
|
36.9
|
37.9
|
35.8
|
37.7
|
Mehefin 1995
|
36.1
|
37.4
|
34.8
|
37.2
|
Gorffennaf 1995
|
37.0
|
38.8
|
35.7
|
37.6
|
Awst 1995
|
35.8
|
37.3
|
34.5
|
36.2
|
Medi 1995
|
35.7
|
37.0
|
34.6
|
36.3
|
Hydref 1995
|
35.6
|
37.5
|
34.1
|
35.9
|
Tachwedd 1995
|
35.6
|
37.5
|
34.1
|
36.0
|
Rhagfyr 1995
|
36.1
|
37.7
|
34.8
|
36.2
|
Ionawr 1996
|
34.8
|
37.1
|
33.3
|
35.0
|
Chwefror 1996
|
34.8
|
36.5
|
33.4
|
34.5
|
Mawrth 1996
|
35.6
|
37.6
|
34.0
|
35.4
|
Ebrill 1996
|
35.5
|
37.5
|
34.2
|
35.6
|
Mai 1996
|
36.7
|
38.4
|
35.6
|
36.0
|
Mehefin 1996
|
36.6
|
38.3
|
35.3
|
37.4
|
Gorffennaf 1996
|
36.5
|
38.8
|
35.0
|
36.8
|
Awst 1996
|
37.0
|
39.6
|
35.6
|
36.8
|
Medi 1996
|
36.8
|
38.9
|
35.3
|
37.4
|
Hydref 1996
|
36.3
|
38.8
|
34.8
|
35.8
|
Tachwedd 1996
|
36.5
|
38.6
|
35.2
|
35.8
|
Rhagfyr 1996
|
36.4
|
38.3
|
35.1
|
36.1
|
Ionawr 1997
|
36.2
|
38.5
|
34.7
|
35.8
|
Chwefror 1997
|
36.3
|
38.7
|
34.7
|
36.5
|
Mawrth 1997
|
36.5
|
38.7
|
35.2
|
36.0
|
Ebrill 1997
|
37.5
|
39.7
|
36.1
|
37.6
|
Mai 1997
|
37.6
|
39.6
|
36.2
|
37.1
|
Mehefin 1997
|
38.1
|
40.5
|
36.7
|
37.6
|
Gorffennaf 1997
|
38.9
|
41.6
|
37.6
|
37.8
|
Awst 1997
|
38.2
|
40.6
|
36.8
|
37.8
|
Medi 1997
|
37.4
|
39.8
|
36.0
|
37.1
|
Hydref 1997
|
37.6
|
40.3
|
36.0
|
36.6
|
Tachwedd 1997
|
37.6
|
40.1
|
36.1
|
37.0
|
Rhagfyr 1997
|
37.9
|
40.1
|
36.4
|
37.3
|
Ionawr 1998
|
37.8
|
40.6
|
36.3
|
37.2
|
Chwefror 1998
|
37.1
|
39.3
|
35.4
|
38.0
|
Mawrth 1998
|
38.2
|
40.6
|
36.6
|
37.9
|
Ebrill 1998
|
38.4
|
40.9
|
36.9
|
37.9
|
Mai 1998
|
38.6
|
40.7
|
37.1
|
38.7
|
Mehefin 1998
|
39.2
|
41.6
|
37.6
|
39.5
|
Gorffennaf 1998
|
39.1
|
42.0
|
37.5
|
38.2
|
Awst 1998
|
39.8
|
42.5
|
38.1
|
39.7
|
Medi 1998
|
39.7
|
42.7
|
38.1
|
38.9
|
Hydref 1998
|
38.9
|
42.0
|
37.0
|
38.4
|
Tachwedd 1998
|
38.8
|
41.7
|
36.9
|
39.1
|
Rhagfyr 1998
|
39.3
|
41.4
|
37.5
|
40.4
|
Ionawr 1999
|
38.8
|
41.5
|
36.9
|
38.9
|
Chwefror 1999
|
37.5
|
40.0
|
35.7
|
37.6
|
Mawrth 1999
|
38.8
|
41.8
|
36.9
|
38.7
|
Ebrill 1999
|
39.3
|
41.7
|
37.8
|
39.4
|
Mai 1999
|
39.4
|
42.0
|
37.7
|
39.6
|
Mehefin 1999
|
40.7
|
43.6
|
39.0
|
40.6
|
Gorffennaf 1999
|
40.8
|
44.0
|
39.1
|
40.4
|
Awst 1999
|
40.7
|
43.6
|
39.2
|
40.8
|
Medi 1999
|
40.8
|
43.8
|
38.9
|
41.7
|
Hydref 1999
|
41.8
|
45.0
|
39.7
|
42.3
|
Tachwedd 1999
|
41.6
|
44.5
|
39.8
|
42.0
|
Rhagfyr 1999
|
41.2
|
44.1
|
39.5
|
41.8
|
Ionawr 2000
|
40.6
|
43.8
|
38.7
|
40.6
|
Chwefror 2000
|
40.8
|
43.9
|
38.8
|
41.0
|
Mawrth 2000
|
41.6
|
44.8
|
39.6
|
41.2
|
Ebrill 2000
|
42.2
|
45.6
|
40.3
|
42.2
|
Mai 2000
|
42.5
|
45.7
|
40.3
|
43.0
|
Mehefin 2000
|
41.8
|
44.4
|
39.8
|
42.8
|
Gorffennaf 2000
|
43.0
|
47.2
|
40.7
|
43.3
|
Awst 2000
|
43.3
|
47.5
|
40.6
|
44.0
|
Medi 2000
|
42.2
|
46.1
|
39.7
|
43.0
|
Hydref 2000
|
42.2
|
46.1
|
39.5
|
43.3
|
Tachwedd 2000
|
41.8
|
45.7
|
39.2
|
43.0
|
Rhagfyr 2000
|
43.0
|
46.3
|
40.4
|
44.5
|
Ionawr 2001
|
42.5
|
46.5
|
39.9
|
43.8
|
Chwefror 2001
|
41.9
|
45.6
|
39.3
|
43.3
|
Mawrth 2001
|
42.3
|
45.5
|
39.7
|
44.7
|
Ebrill 2001
|
44.2
|
48.2
|
41.6
|
45.5
|
Mai 2001
|
44.7
|
48.2
|
42.2
|
46.5
|
Mehefin 2001
|
44.6
|
48.0
|
42.0
|
46.8
|
Gorffennaf 2001
|
45.5
|
49.8
|
42.7
|
47.1
|
Awst 2001
|
47.3
|
51.4
|
44.5
|
49.9
|
Medi 2001
|
45.8
|
50.1
|
43.2
|
47.5
|
Hydref 2001
|
46.3
|
50.4
|
43.4
|
48.5
|
Tachwedd 2001
|
46.8
|
50.7
|
43.8
|
49.2
|
Rhagfyr 2001
|
47.7
|
51.1
|
44.4
|
53.1
|
Ionawr 2002
|
46.7
|
51.4
|
43.4
|
49.4
|
Chwefror 2002
|
46.9
|
50.8
|
43.9
|
50.7
|
Mawrth 2002
|
48.2
|
51.6
|
45.1
|
52.8
|
Ebrill 2002
|
49.7
|
53.2
|
46.5
|
54.7
|
Mai 2002
|
51.4
|
54.5
|
48.2
|
56.6
|
Mehefin 2002
|
52.0
|
55.4
|
48.8
|
57.9
|
Gorffennaf 2002
|
54.0
|
58.2
|
50.6
|
59.1
|
Awst 2002
|
55.5
|
58.9
|
52.1
|
61.3
|
Medi 2002
|
55.0
|
58.9
|
51.3
|
60.7
|
Hydref 2002
|
56.4
|
60.3
|
52.5
|
62.0
|
Tachwedd 2002
|
58.5
|
62.3
|
54.7
|
65.1
|
Rhagfyr 2002
|
59.3
|
62.4
|
55.2
|
67.2
|
Ionawr 2003
|
57.6
|
61.9
|
54.1
|
62.3
|
Chwefror 2003
|
58.4
|
62.4
|
54.6
|
63.9
|
Mawrth 2003
|
61.4
|
64.6
|
57.3
|
70.3
|
Ebrill 2003
|
64.5
|
68.0
|
60.2
|
72.6
|
Mai 2003
|
65.8
|
68.8
|
61.6
|
73.8
|
Mehefin 2003
|
67.2
|
70.0
|
63.2
|
77.2
|
Gorffennaf 2003
|
70.7
|
73.6
|
66.6
|
78.7
|
Awst 2003
|
72.0
|
74.9
|
67.7
|
81.4
|
Medi 2003
|
72.3
|
75.0
|
68.2
|
81.5
|
Hydref 2003
|
74.6
|
77.8
|
70.4
|
82.7
|
Tachwedd 2003
|
75.7
|
78.2
|
71.4
|
85.2
|
Rhagfyr 2003
|
76.4
|
76.9
|
73.0
|
88.1
|
Ionawr 2004
|
77.7
|
80.1
|
73.6
|
87.9
|
Chwefror 2004
|
75.6
|
76.7
|
72.2
|
85.2
|
Mawrth 2004
|
79.4
|
80.8
|
75.9
|
89.8
|
Ebrill 2004
|
84.9
|
84.6
|
82.3
|
94.0
|
Mai 2004
|
87.2
|
86.2
|
85.0
|
97.0
|
Mehefin 2004
|
90.8
|
89.9
|
87.8
|
103.2
|
Gorffennaf 2004
|
94.0
|
92.6
|
91.4
|
103.9
|
Awst 2004
|
95.3
|
94.1
|
92.7
|
107.1
|
Medi 2004
|
94.3
|
94.2
|
91.7
|
104.3
|
Hydref 2004
|
95.8
|
96.1
|
93.0
|
105.5
|
Tachwedd 2004
|
93.5
|
93.0
|
91.1
|
103.7
|
Rhagfyr 2004
|
96.9
|
95.2
|
94.8
|
108.7
|
Ionawr 2005
|
95.2
|
95.1
|
93.0
|
104.0
|
Chwefror 2005
|
94.3
|
94.7
|
92.0
|
102.5
|
Mawrth 2005
|
96.1
|
96.3
|
94.1
|
103.4
|
Ebrill 2005
|
98.6
|
97.0
|
97.1
|
107.1
|
Mai 2005
|
99.9
|
99.0
|
98.3
|
108.0
|
Mehefin 2005
|
101.2
|
98.4
|
100.5
|
109.9
|
Gorffennaf 2005
|
103.6
|
101.8
|
102.2
|
111.0
|
Awst 2005
|
105.0
|
103.5
|
103.9
|
114.3
|
Medi 2005
|
103.5
|
101.8
|
103.0
|
110.6
|
Hydref 2005
|
103.8
|
102.5
|
102.9
|
111.4
|
Tachwedd 2005
|
105.2
|
103.6
|
104.3
|
112.9
|
Rhagfyr 2005
|
105.1
|
101.8
|
104.8
|
114.3
|
Ionawr 2006
|
105.0
|
103.5
|
104.6
|
112.3
|
Chwefror 2006
|
103.4
|
100.6
|
102.9
|
112.9
|
Mawrth 2006
|
105.7
|
102.8
|
105.2
|
114.0
|
Ebrill 2006
|
107.7
|
104.2
|
107.8
|
115.5
|
Mai 2006
|
108.2
|
104.9
|
108.0
|
117.1
|
Mehefin 2006
|
110.2
|
105.8
|
110.6
|
118.9
|
Gorffennaf 2006
|
111.2
|
107.5
|
111.7
|
119.1
|
Awst 2006
|
110.9
|
107.9
|
111.2
|
118.3
|
Medi 2006
|
112.4
|
109.4
|
112.4
|
120.0
|
Hydref 2006
|
112.5
|
109.2
|
112.6
|
120.6
|
Tachwedd 2006
|
111.6
|
108.0
|
111.8
|
119.6
|
Rhagfyr 2006
|
114.4
|
109.4
|
115.2
|
123.1
|
Ionawr 2007
|
113.1
|
109.1
|
113.5
|
121.8
|
Chwefror 2007
|
112.0
|
108.4
|
111.9
|
121.3
|
Mawrth 2007
|
112.8
|
108.7
|
113.8
|
119.4
|
Ebrill 2007
|
115.3
|
110.4
|
116.3
|
123.4
|
Mai 2007
|
115.8
|
110.2
|
116.7
|
125.8
|
Mehefin 2007
|
117.5
|
112.4
|
118.4
|
127.4
|
Gorffennaf 2007
|
119.0
|
115.7
|
119.9
|
126.5
|
Awst 2007
|
118.2
|
114.5
|
119.4
|
125.2
|
Medi 2007
|
118.0
|
114.9
|
118.9
|
125.8
|
Hydref 2007
|
117.8
|
114.8
|
118.6
|
125.6
|
Tachwedd 2007
|
118.5
|
115.4
|
119.0
|
126.8
|
Rhagfyr 2007
|
118.2
|
113.6
|
119.1
|
128.1
|
Ionawr 2008
|
115.6
|
112.6
|
116.2
|
124.4
|
Chwefror 2008
|
115.2
|
112.8
|
115.7
|
122.5
|
Mawrth 2008
|
114.0
|
111.8
|
114.5
|
119.6
|
Ebrill 2008
|
116.0
|
114.7
|
116.9
|
121.9
|
Mai 2008
|
117.0
|
113.9
|
118.0
|
122.8
|
Mehefin 2008
|
115.6
|
112.8
|
116.8
|
121.1
|
Gorffennaf 2008
|
112.9
|
110.8
|
113.8
|
118.7
|
Awst 2008
|
112.3
|
110.4
|
113.3
|
116.9
|
Medi 2008
|
108.3
|
107.5
|
108.7
|
115.2
|
Hydref 2008
|
106.2
|
105.9
|
106.5
|
110.6
|
Tachwedd 2008
|
105.7
|
104.5
|
105.7
|
111.0
|
Rhagfyr 2008
|
102.7
|
100.2
|
103.7
|
107.3
|
Ionawr 2009
|
101.3
|
101.5
|
101.6
|
106.0
|
Chwefror 2009
|
100.1
|
98.8
|
99.7
|
106.0
|
Mawrth 2009
|
99.9
|
98.4
|
100.3
|
106.8
|
Ebrill 2009
|
101.0
|
99.5
|
101.2
|
105.9
|
Mai 2009
|
102.0
|
100.0
|
102.7
|
106.2
|
Mehefin 2009
|
103.1
|
101.6
|
103.7
|
108.3
|
Gorffennaf 2009
|
103.2
|
102.2
|
104.0
|
106.9
|
Awst 2009
|
104.7
|
103.1
|
105.6
|
107.9
|
Medi 2009
|
105.6
|
104.6
|
106.6
|
109.1
|
Hydref 2009
|
105.1
|
104.7
|
106.0
|
106.3
|
Tachwedd 2009
|
106.0
|
105.0
|
107.1
|
108.6
|
Rhagfyr 2009
|
106.9
|
103.5
|
109.0
|
110.1
|
Ionawr 2010
|
102.4
|
103.0
|
103.1
|
101.7
|
Chwefror 2010
|
104.1
|
103.8
|
104.7
|
104.8
|
Mawrth 2010
|
105.1
|
105.7
|
105.5
|
107.1
|
Ebrill 2010
|
105.3
|
104.3
|
106.1
|
106.8
|
Mai 2010
|
104.9
|
104.3
|
105.8
|
107.0
|
Mehefin 2010
|
105.5
|
104.4
|
106.9
|
106.6
|
Gorffennaf 2010
|
105.3
|
105.6
|
106.0
|
105.6
|
Awst 2010
|
107.7
|
108.2
|
108.0
|
107.8
|
Medi 2010
|
104.3
|
105.3
|
105.2
|
104.0
|
Hydref 2010
|
106.5
|
107.5
|
106.7
|
106.8
|
Tachwedd 2010
|
102.6
|
103.7
|
102.6
|
103.9
|
Rhagfyr 2010
|
102.2
|
102.6
|
102.6
|
102.8
|
Ionawr 2011
|
100.0
|
102.0
|
99.9
|
99.3
|
Chwefror 2011
|
99.7
|
101.3
|
99.4
|
100.5
|
Mawrth 2011
|
98.8
|
101.0
|
98.8
|
98.2
|
Ebrill 2011
|
102.0
|
103.2
|
102.3
|
101.8
|
Mai 2011
|
102.4
|
103.2
|
102.5
|
103.4
|
Mehefin 2011
|
102.2
|
102.1
|
102.5
|
103.9
|
Gorffennaf 2011
|
100.4
|
101.1
|
100.8
|
100.9
|
Awst 2011
|
99.8
|
101.1
|
99.8
|
98.2
|
Medi 2011
|
100.1
|
101.2
|
100.6
|
99.2
|
Hydref 2011
|
99.2
|
101.4
|
98.8
|
98.2
|
Tachwedd 2011
|
99.9
|
101.0
|
99.6
|
99.7
|
Rhagfyr 2011
|
98.4
|
98.7
|
98.8
|
97.7
|
Ionawr 2012
|
96.5
|
96.7
|
96.4
|
96.1
|
Chwefror 2012
|
97.2
|
97.7
|
97.6
|
96.7
|
Mawrth 2012
|
99.5
|
98.5
|
100.5
|
100.5
|
Ebrill 2012
|
99.0
|
99.8
|
99.1
|
99.2
|
Mai 2012
|
98.7
|
98.9
|
99.0
|
98.5
|
Mehefin 2012
|
100.2
|
99.1
|
101.8
|
100.1
|
Gorffennaf 2012
|
100.0
|
100.4
|
100.8
|
99.1
|
Awst 2012
|
102.2
|
102.4
|
103.3
|
100.0
|
Medi 2012
|
100.9
|
100.7
|
101.8
|
100.9
|
Hydref 2012
|
99.7
|
100.7
|
100.4
|
97.8
|
Tachwedd 2012
|
99.7
|
99.9
|
100.5
|
98.2
|
Rhagfyr 2012
|
98.0
|
98.4
|
98.9
|
97.3
|
Ionawr 2013
|
97.0
|
97.1
|
97.1
|
96.4
|
Chwefror 2013
|
95.6
|
95.9
|
96.1
|
93.9
|
Mawrth 2013
|
98.3
|
99.3
|
98.6
|
97.3
|
Ebrill 2013
|
98.4
|
99.1
|
98.8
|
97.5
|
Mai 2013
|
98.9
|
98.8
|
99.5
|
98.3
|
Mehefin 2013
|
98.7
|
98.1
|
99.8
|
98.0
|
Gorffennaf 2013
|
101.2
|
101.4
|
102.1
|
99.7
|
Awst 2013
|
102.6
|
102.2
|
103.5
|
102.0
|
Medi 2013
|
101.7
|
102.6
|
102.2
|
100.5
|
Hydref 2013
|
96.3
|
97.6
|
96.2
|
95.1
|
Tachwedd 2013
|
99.4
|
99.8
|
99.4
|
98.1
|
Rhagfyr 2013
|
99.2
|
99.2
|
100.0
|
97.6
|
Ionawr 2014
|
97.8
|
98.1
|
97.7
|
98.3
|
Chwefror 2014
|
98.0
|
97.8
|
97.8
|
99.2
|
Mawrth 2014
|
99.3
|
99.2
|
99.4
|
98.8
|
Ebrill 2014
|
101.0
|
101.0
|
101.6
|
99.4
|
Mai 2014
|
101.2
|
100.9
|
102.0
|
100.1
|
Mehefin 2014
|
103.5
|
103.0
|
104.1
|
102.6
|
Gorffennaf 2014
|
103.5
|
103.1
|
104.2
|
103.1
|
Awst 2014
|
103.6
|
103.1
|
104.4
|
102.7
|
Medi 2014
|
102.6
|
102.2
|
103.2
|
102.6
|
Hydref 2014
|
101.2
|
101.6
|
101.5
|
99.8
|
Tachwedd 2014
|
101.4
|
101.3
|
101.2
|
101.4
|
Rhagfyr 2014
|
101.4
|
101.5
|
101.4
|
101.3
|
Ionawr 2015
|
100.0
|
100.0
|
100.0
|
100.0
|
Chwefror 2015
|
101.2
|
101.1
|
101.5
|
101.6
|
Mawrth 2015
|
100.4
|
100.9
|
99.8
|
101.2
|
Ebrill 2015
|
103.8
|
104.2
|
104.0
|
103.7
|
Mai 2015
|
103.0
|
102.6
|
103.2
|
103.2
|
Mehefin 2015
|
104.6
|
104.3
|
105.3
|
103.0
|
Gorffennaf 2015
|
104.7
|
104.9
|
104.8
|
104.0
|
Awst 2015
|
105.5
|
105.7
|
105.8
|
105.0
|
Medi 2015
|
105.2
|
106.2
|
105.2
|
105.2
|
Hydref 2015
|
103.7
|
103.9
|
103.5
|
104.3
|
Tachwedd 2015
|
105.0
|
105.5
|
104.8
|
104.0
|
Rhagfyr 2015
|
105.5
|
106.7
|
105.3
|
103.9
|
Ionawr 2016
|
103.4
|
103.3
|
103.1
|
102.9
|
Chwefror 2016
|
103.4
|
103.4
|
103.4
|
102.4
|
Mawrth 2016
|
104.8
|
105.7
|
104.7
|
105.0
|
Ebrill 2016
|
104.6
|
104.8
|
104.5
|
102.9
|
Mai 2016
|
106.4
|
105.9
|
106.5
|
107.4
|
Mehefin 2016
|
108.3
|
108.7
|
108.6
|
107.5
|
Gorffennaf 2016
|
109.0
|
109.2
|
109.3
|
108.6
|
Awst 2016
|
107.6
|
107.8
|
107.7
|
108.3
|
Medi 2016
|
106.5
|
107.0
|
106.4
|
106.6
|
Hydref 2016
|
106.0
|
107.2
|
104.9
|
107.0
|
Tachwedd 2016
|
106.6
|
108.3
|
105.4
|
107.5
|
Rhagfyr 2016
|
107.8
|
108.9
|
107.2
|
108.8
|
Ionawr 2017
|
104.2
|
105.9
|
102.9
|
105.2
|
Chwefror 2017
|
105.9
|
107.5
|
105.0
|
107.1
|
Mawrth 2017
|
104.0
|
106.1
|
102.8
|
104.5
|
Ebrill 2017
|
106.6
|
108.0
|
105.4
|
108.1
|
Mai 2017
|
108.5
|
108.7
|
107.5
|
110.7
|
Mehefin 2017
|
109.3
|
109.7
|
109.3
|
110.6
|
Gorffennaf 2017
|
109.2
|
110.1
|
108.6
|
110.4
|
Awst 2017
|
110.7
|
111.3
|
110.5
|
112.0
|
Medi 2017
|
108.8
|
110.2
|
108.4
|
109.0
|
Hydref 2017
|
109.8
|
110.6
|
108.7
|
110.5
|
Tachwedd 2017
|
108.5
|
109.1
|
107.8
|
109.3
|
Rhagfyr 2017
|
111.1
|
111.9
|
110.5
|
110.8
|
Ionawr 2018
|
106.0
|
107.2
|
104.5
|
107.0
|
Chwefror 2018
|
107.9
|
110.1
|
106.7
|
107.9
|
Mawrth 2018
|
105.9
|
106.8
|
105.0
|
106.3
|
Ebrill 2018
|
109.5
|
110.6
|
108.9
|
108.6
|
Mai 2018
|
110.0
|
111.0
|
109.6
|
107.9
|
Mehefin 2018
|
109.3
|
109.4
|
108.2
|
110.3
|
Gorffennaf 2018
|
112.0
|
113.6
|
111.5
|
109.8
|
Awst 2018
|
111.3
|
112.4
|
110.7
|
110.2
|
Medi 2018
|
111.2
|
112.2
|
110.5
|
110.2
|
Hydref 2018
|
111.6
|
113.0
|
110.7
|
110.5
|
Tachwedd 2018
|
110.0
|
110.9
|
109.2
|
109.1
|
Rhagfyr 2018
|
109.8
|
110.6
|
108.9
|
109.6
|
Ionawr 2019
|
107.1
|
109.2
|
105.3
|
106.0
|
Chwefror 2019
|
106.3
|
108.4
|
104.7
|
104.8
|
Mawrth 2019
|
106.4
|
107.8
|
105.1
|
103.9
|
Ebrill 2019
|
110.0
|
111.4
|
109.4
|
106.5
|
Mai 2019
|
110.0
|
110.6
|
109.4
|
107.1
|
Mehefin 2019
|
110.6
|
111.0
|
109.9
|
109.0
|
Gorffennaf 2019
|
110.8
|
112.4
|
110.0
|
108.7
|
Awst 2019
|
112.2
|
112.8
|
112.2
|
109.8
|
Medi 2019
|
112.6
|
112.9
|
112.6
|
111.6
|
Hydref 2019
|
110.4
|
111.4
|
109.2
|
107.2
|
Tachwedd 2019
|
110.5
|
111.0
|
109.8
|
107.8
|
Rhagfyr 2019
|
110.4
|
110.8
|
110.0
|
106.9
|
Ionawr 2020
|
108.7
|
110.6
|
107.3
|
104.8
|
Chwefror 2020
|
108.4
|
109.4
|
107.7
|
105.3
|
Mawrth 2020
|
109.5
|
111.6
|
108.4
|
105.1
|
Statws y prynwr
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol yn ôl y math o brynwr e.e. Prynwr am y Tro Cyntaf neu Gyn Berchen-Feddiannydd
Statws cyllido
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol a nifer y gwerthiannau yn ôl statws cyllido, e.e. Arian Parod/Morgais
Dyddiad
|
Ebrill 1992
|
Mai 1992
|
Mehefin 1992
|
Gorffennaf 1992
|
Awst 1992
|
Medi 1992
|
Hydref 1992
|
Tachwedd 1992
|
Rhagfyr 1992
|
Ionawr 1993
|
Chwefror 1993
|
Mawrth 1993
|
Ebrill 1993
|
Mai 1993
|
Mehefin 1993
|
Gorffennaf 1993
|
Awst 1993
|
Medi 1993
|
Hydref 1993
|
Tachwedd 1993
|
Rhagfyr 1993
|
Ionawr 1994
|
Chwefror 1994
|
Mawrth 1994
|
Ebrill 1994
|
Mai 1994
|
Mehefin 1994
|
Gorffennaf 1994
|
Awst 1994
|
Medi 1994
|
Hydref 1994
|
Tachwedd 1994
|
Rhagfyr 1994
|
Ionawr 1995
|
Chwefror 1995
|
Mawrth 1995
|
Ebrill 1995
|
Mai 1995
|
Mehefin 1995
|
Gorffennaf 1995
|
Awst 1995
|
Medi 1995
|
Hydref 1995
|
Tachwedd 1995
|
Rhagfyr 1995
|
Ionawr 1996
|
Chwefror 1996
|
Mawrth 1996
|
Ebrill 1996
|
Mai 1996
|
Mehefin 1996
|
Gorffennaf 1996
|
Awst 1996
|
Medi 1996
|
Hydref 1996
|
Tachwedd 1996
|
Rhagfyr 1996
|
Ionawr 1997
|
Chwefror 1997
|
Mawrth 1997
|
Ebrill 1997
|
Mai 1997
|
Mehefin 1997
|
Gorffennaf 1997
|
Awst 1997
|
Medi 1997
|
Hydref 1997
|
Tachwedd 1997
|
Rhagfyr 1997
|
Ionawr 1998
|
Chwefror 1998
|
Mawrth 1998
|
Ebrill 1998
|
Mai 1998
|
Mehefin 1998
|
Gorffennaf 1998
|
Awst 1998
|
Medi 1998
|
Hydref 1998
|
Tachwedd 1998
|
Rhagfyr 1998
|
Ionawr 1999
|
Chwefror 1999
|
Mawrth 1999
|
Ebrill 1999
|
Mai 1999
|
Mehefin 1999
|
Gorffennaf 1999
|
Awst 1999
|
Medi 1999
|
Hydref 1999
|
Tachwedd 1999
|
Rhagfyr 1999
|
Ionawr 2000
|
Chwefror 2000
|
Mawrth 2000
|
Ebrill 2000
|
Mai 2000
|
Mehefin 2000
|
Gorffennaf 2000
|
Awst 2000
|
Medi 2000
|
Hydref 2000
|
Tachwedd 2000
|
Rhagfyr 2000
|
Ionawr 2001
|
Chwefror 2001
|
Mawrth 2001
|
Ebrill 2001
|
Mai 2001
|
Mehefin 2001
|
Gorffennaf 2001
|
Awst 2001
|
Medi 2001
|
Hydref 2001
|
Tachwedd 2001
|
Rhagfyr 2001
|
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
|
Chwefror 2013
|
Mawrth 2013
|
Ebrill 2013
|
Mai 2013
|
Mehefin 2013
|
Gorffennaf 2013
|
Awst 2013
|
Medi 2013
|
Hydref 2013
|
Tachwedd 2013
|
Rhagfyr 2013
|
Ionawr 2014
|
Chwefror 2014
|
Mawrth 2014
|
Ebrill 2014
|
Mai 2014
|
Mehefin 2014
|
Gorffennaf 2014
|
Awst 2014
|
Medi 2014
|
Hydref 2014
|
Tachwedd 2014
|
Rhagfyr 2014
|
Ionawr 2015
|
Chwefror 2015
|
Mawrth 2015
|
Ebrill 2015
|
Mai 2015
|
Mehefin 2015
|
Gorffennaf 2015
|
Awst 2015
|
Medi 2015
|
Hydref 2015
|
Tachwedd 2015
|
Rhagfyr 2015
|
Ionawr 2016
|
Chwefror 2016
|
Mawrth 2016
|
Ebrill 2016
|
Mai 2016
|
Mehefin 2016
|
Gorffennaf 2016
|
Awst 2016
|
Medi 2016
|
Hydref 2016
|
Tachwedd 2016
|
Rhagfyr 2016
|
Ionawr 2017
|
Chwefror 2017
|
Mawrth 2017
|
Ebrill 2017
|
Mai 2017
|
Mehefin 2017
|
Gorffennaf 2017
|
Awst 2017
|
Medi 2017
|
Hydref 2017
|
Tachwedd 2017
|
Rhagfyr 2017
|
Ionawr 2018
|
Chwefror 2018
|
Mawrth 2018
|
Ebrill 2018
|
Mai 2018
|
Mehefin 2018
|
Gorffennaf 2018
|
Awst 2018
|
Medi 2018
|
Hydref 2018
|
Tachwedd 2018
|
Rhagfyr 2018
|
Ionawr 2019
|
Chwefror 2019
|
Mawrth 2019
|
Ebrill 2019
|
Mai 2019
|
Mehefin 2019
|
Gorffennaf 2019
|
Awst 2019
|
Medi 2019
|
Hydref 2019
|
Tachwedd 2019
|
Rhagfyr 2019
|
Ionawr 2020
|
Chwefror 2020
|
Mawrth 2020
|
Dyddiad
|
Ebrill 1992
|
Mai 1992
|
Mehefin 1992
|
Gorffennaf 1992
|
Awst 1992
|
Medi 1992
|
Hydref 1992
|
Tachwedd 1992
|
Rhagfyr 1992
|
Ionawr 1993
|
Chwefror 1993
|
Mawrth 1993
|
Ebrill 1993
|
Mai 1993
|
Mehefin 1993
|
Gorffennaf 1993
|
Awst 1993
|
Medi 1993
|
Hydref 1993
|
Tachwedd 1993
|
Rhagfyr 1993
|
Ionawr 1994
|
Chwefror 1994
|
Mawrth 1994
|
Ebrill 1994
|
Mai 1994
|
Mehefin 1994
|
Gorffennaf 1994
|
Awst 1994
|
Medi 1994
|
Hydref 1994
|
Tachwedd 1994
|
Rhagfyr 1994
|
Ionawr 1995
|
Chwefror 1995
|
Mawrth 1995
|
Ebrill 1995
|
Mai 1995
|
Mehefin 1995
|
Gorffennaf 1995
|
Awst 1995
|
Medi 1995
|
Hydref 1995
|
Tachwedd 1995
|
Rhagfyr 1995
|
Ionawr 1996
|
Chwefror 1996
|
Mawrth 1996
|
Ebrill 1996
|
Mai 1996
|
Mehefin 1996
|
Gorffennaf 1996
|
Awst 1996
|
Medi 1996
|
Hydref 1996
|
Tachwedd 1996
|
Rhagfyr 1996
|
Ionawr 1997
|
Chwefror 1997
|
Mawrth 1997
|
Ebrill 1997
|
Mai 1997
|
Mehefin 1997
|
Gorffennaf 1997
|
Awst 1997
|
Medi 1997
|
Hydref 1997
|
Tachwedd 1997
|
Rhagfyr 1997
|
Ionawr 1998
|
Chwefror 1998
|
Mawrth 1998
|
Ebrill 1998
|
Mai 1998
|
Mehefin 1998
|
Gorffennaf 1998
|
Awst 1998
|
Medi 1998
|
Hydref 1998
|
Tachwedd 1998
|
Rhagfyr 1998
|
Ionawr 1999
|
Chwefror 1999
|
Mawrth 1999
|
Ebrill 1999
|
Mai 1999
|
Mehefin 1999
|
Gorffennaf 1999
|
Awst 1999
|
Medi 1999
|
Hydref 1999
|
Tachwedd 1999
|
Rhagfyr 1999
|
Ionawr 2000
|
Chwefror 2000
|
Mawrth 2000
|
Ebrill 2000
|
Mai 2000
|
Mehefin 2000
|
Gorffennaf 2000
|
Awst 2000
|
Medi 2000
|
Hydref 2000
|
Tachwedd 2000
|
Rhagfyr 2000
|
Ionawr 2001
|
Chwefror 2001
|
Mawrth 2001
|
Ebrill 2001
|
Mai 2001
|
Mehefin 2001
|
Gorffennaf 2001
|
Awst 2001
|
Medi 2001
|
Hydref 2001
|
Tachwedd 2001
|
Rhagfyr 2001
|
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
|
Chwefror 2013
|
Mawrth 2013
|
Ebrill 2013
|
Mai 2013
|
Mehefin 2013
|
Gorffennaf 2013
|
Awst 2013
|
Medi 2013
|
Hydref 2013
|
Tachwedd 2013
|
Rhagfyr 2013
|
Ionawr 2014
|
Chwefror 2014
|
Mawrth 2014
|
Ebrill 2014
|
Mai 2014
|
Mehefin 2014
|
Gorffennaf 2014
|
Awst 2014
|
Medi 2014
|
Hydref 2014
|
Tachwedd 2014
|
Rhagfyr 2014
|
Ionawr 2015
|
Chwefror 2015
|
Mawrth 2015
|
Ebrill 2015
|
Mai 2015
|
Mehefin 2015
|
Gorffennaf 2015
|
Awst 2015
|
Medi 2015
|
Hydref 2015
|
Tachwedd 2015
|
Rhagfyr 2015
|
Ionawr 2016
|
Chwefror 2016
|
Mawrth 2016
|
Ebrill 2016
|
Mai 2016
|
Mehefin 2016
|
Gorffennaf 2016
|
Awst 2016
|
Medi 2016
|
Hydref 2016
|
Tachwedd 2016
|
Rhagfyr 2016
|
Ionawr 2017
|
Chwefror 2017
|
Mawrth 2017
|
Ebrill 2017
|
Mai 2017
|
Mehefin 2017
|
Gorffennaf 2017
|
Awst 2017
|
Medi 2017
|
Hydref 2017
|
Tachwedd 2017
|
Rhagfyr 2017
|
Ionawr 2018
|
Chwefror 2018
|
Mawrth 2018
|
Ebrill 2018
|
Mai 2018
|
Mehefin 2018
|
Gorffennaf 2018
|
Awst 2018
|
Medi 2018
|
Hydref 2018
|
Tachwedd 2018
|
Rhagfyr 2018
|
Ionawr 2019
|
Chwefror 2019
|
Mawrth 2019
|
Ebrill 2019
|
Mai 2019
|
Mehefin 2019
|
Gorffennaf 2019
|
Awst 2019
|
Medi 2019
|
Hydref 2019
|
Tachwedd 2019
|
Rhagfyr 2019
|
Ionawr 2020
|
Chwefror 2020
|
Mawrth 2020
|
Dyddiad
|
Ebrill 1992
|
Mai 1992
|
Mehefin 1992
|
Gorffennaf 1992
|
Awst 1992
|
Medi 1992
|
Hydref 1992
|
Tachwedd 1992
|
Rhagfyr 1992
|
Ionawr 1993
|
Chwefror 1993
|
Mawrth 1993
|
Ebrill 1993
|
Mai 1993
|
Mehefin 1993
|
Gorffennaf 1993
|
Awst 1993
|
Medi 1993
|
Hydref 1993
|
Tachwedd 1993
|
Rhagfyr 1993
|
Ionawr 1994
|
Chwefror 1994
|
Mawrth 1994
|
Ebrill 1994
|
Mai 1994
|
Mehefin 1994
|
Gorffennaf 1994
|
Awst 1994
|
Medi 1994
|
Hydref 1994
|
Tachwedd 1994
|
Rhagfyr 1994
|
Ionawr 1995
|
Chwefror 1995
|
Mawrth 1995
|
Ebrill 1995
|
Mai 1995
|
Mehefin 1995
|
Gorffennaf 1995
|
Awst 1995
|
Medi 1995
|
Hydref 1995
|
Tachwedd 1995
|
Rhagfyr 1995
|
Ionawr 1996
|
Chwefror 1996
|
Mawrth 1996
|
Ebrill 1996
|
Mai 1996
|
Mehefin 1996
|
Gorffennaf 1996
|
Awst 1996
|
Medi 1996
|
Hydref 1996
|
Tachwedd 1996
|
Rhagfyr 1996
|
Ionawr 1997
|
Chwefror 1997
|
Mawrth 1997
|
Ebrill 1997
|
Mai 1997
|
Mehefin 1997
|
Gorffennaf 1997
|
Awst 1997
|
Medi 1997
|
Hydref 1997
|
Tachwedd 1997
|
Rhagfyr 1997
|
Ionawr 1998
|
Chwefror 1998
|
Mawrth 1998
|
Ebrill 1998
|
Mai 1998
|
Mehefin 1998
|
Gorffennaf 1998
|
Awst 1998
|
Medi 1998
|
Hydref 1998
|
Tachwedd 1998
|
Rhagfyr 1998
|
Ionawr 1999
|
Chwefror 1999
|
Mawrth 1999
|
Ebrill 1999
|
Mai 1999
|
Mehefin 1999
|
Gorffennaf 1999
|
Awst 1999
|
Medi 1999
|
Hydref 1999
|
Tachwedd 1999
|
Rhagfyr 1999
|
Ionawr 2000
|
Chwefror 2000
|
Mawrth 2000
|
Ebrill 2000
|
Mai 2000
|
Mehefin 2000
|
Gorffennaf 2000
|
Awst 2000
|
Medi 2000
|
Hydref 2000
|
Tachwedd 2000
|
Rhagfyr 2000
|
Ionawr 2001
|
Chwefror 2001
|
Mawrth 2001
|
Ebrill 2001
|
Mai 2001
|
Mehefin 2001
|
Gorffennaf 2001
|
Awst 2001
|
Medi 2001
|
Hydref 2001
|
Tachwedd 2001
|
Rhagfyr 2001
|
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
|
Chwefror 2013
|
Mawrth 2013
|
Ebrill 2013
|
Mai 2013
|
Mehefin 2013
|
Gorffennaf 2013
|
Awst 2013
|
Medi 2013
|
Hydref 2013
|
Tachwedd 2013
|
Rhagfyr 2013
|
Ionawr 2014
|
Chwefror 2014
|
Mawrth 2014
|
Ebrill 2014
|
Mai 2014
|
Mehefin 2014
|
Gorffennaf 2014
|
Awst 2014
|
Medi 2014
|
Hydref 2014
|
Tachwedd 2014
|
Rhagfyr 2014
|
Ionawr 2015
|
Chwefror 2015
|
Mawrth 2015
|
Ebrill 2015
|
Mai 2015
|
Mehefin 2015
|
Gorffennaf 2015
|
Awst 2015
|
Medi 2015
|
Hydref 2015
|
Tachwedd 2015
|
Rhagfyr 2015
|
Ionawr 2016
|
Chwefror 2016
|
Mawrth 2016
|
Ebrill 2016
|
Mai 2016
|
Mehefin 2016
|
Gorffennaf 2016
|
Awst 2016
|
Medi 2016
|
Hydref 2016
|
Tachwedd 2016
|
Rhagfyr 2016
|
Ionawr 2017
|
Chwefror 2017
|
Mawrth 2017
|
Ebrill 2017
|
Mai 2017
|
Mehefin 2017
|
Gorffennaf 2017
|
Awst 2017
|
Medi 2017
|
Hydref 2017
|
Tachwedd 2017
|
Rhagfyr 2017
|
Ionawr 2018
|
Chwefror 2018
|
Mawrth 2018
|
Ebrill 2018
|
Mai 2018
|
Mehefin 2018
|
Gorffennaf 2018
|
Awst 2018
|
Medi 2018
|
Hydref 2018
|
Tachwedd 2018
|
Rhagfyr 2018
|
Ionawr 2019
|
Chwefror 2019
|
Mawrth 2019
|
Ebrill 2019
|
Mai 2019
|
Mehefin 2019
|
Gorffennaf 2019
|
Awst 2019
|
Medi 2019
|
Hydref 2019
|
Tachwedd 2019
|
Rhagfyr 2019
|
Ionawr 2020
|
Chwefror 2020
|
Mawrth 2020
|
Dyddiad
|
Ebrill 1992
|
Mai 1992
|
Mehefin 1992
|
Gorffennaf 1992
|
Awst 1992
|
Medi 1992
|
Hydref 1992
|
Tachwedd 1992
|
Rhagfyr 1992
|
Ionawr 1993
|
Chwefror 1993
|
Mawrth 1993
|
Ebrill 1993
|
Mai 1993
|
Mehefin 1993
|
Gorffennaf 1993
|
Awst 1993
|
Medi 1993
|
Hydref 1993
|
Tachwedd 1993
|
Rhagfyr 1993
|
Ionawr 1994
|
Chwefror 1994
|
Mawrth 1994
|
Ebrill 1994
|
Mai 1994
|
Mehefin 1994
|
Gorffennaf 1994
|
Awst 1994
|
Medi 1994
|
Hydref 1994
|
Tachwedd 1994
|
Rhagfyr 1994
|
Ionawr 1995
|
Chwefror 1995
|
Mawrth 1995
|
Ebrill 1995
|
Mai 1995
|
Mehefin 1995
|
Gorffennaf 1995
|
Awst 1995
|
Medi 1995
|
Hydref 1995
|
Tachwedd 1995
|
Rhagfyr 1995
|
Ionawr 1996
|
Chwefror 1996
|
Mawrth 1996
|
Ebrill 1996
|
Mai 1996
|
Mehefin 1996
|
Gorffennaf 1996
|
Awst 1996
|
Medi 1996
|
Hydref 1996
|
Tachwedd 1996
|
Rhagfyr 1996
|
Ionawr 1997
|
Chwefror 1997
|
Mawrth 1997
|
Ebrill 1997
|
Mai 1997
|
Mehefin 1997
|
Gorffennaf 1997
|
Awst 1997
|
Medi 1997
|
Hydref 1997
|
Tachwedd 1997
|
Rhagfyr 1997
|
Ionawr 1998
|
Chwefror 1998
|
Mawrth 1998
|
Ebrill 1998
|
Mai 1998
|
Mehefin 1998
|
Gorffennaf 1998
|
Awst 1998
|
Medi 1998
|
Hydref 1998
|
Tachwedd 1998
|
Rhagfyr 1998
|
Ionawr 1999
|
Chwefror 1999
|
Mawrth 1999
|
Ebrill 1999
|
Mai 1999
|
Mehefin 1999
|
Gorffennaf 1999
|
Awst 1999
|
Medi 1999
|
Hydref 1999
|
Tachwedd 1999
|
Rhagfyr 1999
|
Ionawr 2000
|
Chwefror 2000
|
Mawrth 2000
|
Ebrill 2000
|
Mai 2000
|
Mehefin 2000
|
Gorffennaf 2000
|
Awst 2000
|
Medi 2000
|
Hydref 2000
|
Tachwedd 2000
|
Rhagfyr 2000
|
Ionawr 2001
|
Chwefror 2001
|
Mawrth 2001
|
Ebrill 2001
|
Mai 2001
|
Mehefin 2001
|
Gorffennaf 2001
|
Awst 2001
|
Medi 2001
|
Hydref 2001
|
Tachwedd 2001
|
Rhagfyr 2001
|
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
|
Chwefror 2013
|
Mawrth 2013
|
Ebrill 2013
|
Mai 2013
|
Mehefin 2013
|
Gorffennaf 2013
|
Awst 2013
|
Medi 2013
|
Hydref 2013
|
Tachwedd 2013
|
Rhagfyr 2013
|
Ionawr 2014
|
Chwefror 2014
|
Mawrth 2014
|
Ebrill 2014
|
Mai 2014
|
Mehefin 2014
|
Gorffennaf 2014
|
Awst 2014
|
Medi 2014
|
Hydref 2014
|
Tachwedd 2014
|
Rhagfyr 2014
|
Ionawr 2015
|
Chwefror 2015
|
Mawrth 2015
|
Ebrill 2015
|
Mai 2015
|
Mehefin 2015
|
Gorffennaf 2015
|
Awst 2015
|
Medi 2015
|
Hydref 2015
|
Tachwedd 2015
|
Rhagfyr 2015
|
Ionawr 2016
|
Chwefror 2016
|
Mawrth 2016
|
Ebrill 2016
|
Mai 2016
|
Mehefin 2016
|
Gorffennaf 2016
|
Awst 2016
|
Medi 2016
|
Hydref 2016
|
Tachwedd 2016
|
Rhagfyr 2016
|
Ionawr 2017
|
Chwefror 2017
|
Mawrth 2017
|
Ebrill 2017
|
Mai 2017
|
Mehefin 2017
|
Gorffennaf 2017
|
Awst 2017
|
Medi 2017
|
Hydref 2017
|
Tachwedd 2017
|
Rhagfyr 2017
|
Ionawr 2018
|
Chwefror 2018
|
Mawrth 2018
|
Ebrill 2018
|
Mai 2018
|
Mehefin 2018
|
Gorffennaf 2018
|
Awst 2018
|
Medi 2018
|
Hydref 2018
|
Tachwedd 2018
|
Rhagfyr 2018
|
Ionawr 2019
|
Chwefror 2019
|
Mawrth 2019
|
Ebrill 2019
|
Mai 2019
|
Mehefin 2019
|
Gorffennaf 2019
|
Awst 2019
|
Medi 2019
|
Hydref 2019
|
Tachwedd 2019
|
Rhagfyr 2019
|
Ionawr 2020
|
Chwefror 2020
|
Mawrth 2020
|
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
|
Eiddo presennol
|
Ebrill 1992
|
|
|
Mai 1992
|
|
|
Mehefin 1992
|
|
|
Gorffennaf 1992
|
|
|
Awst 1992
|
|
|
Medi 1992
|
|
|
Hydref 1992
|
|
|
Tachwedd 1992
|
|
|
Rhagfyr 1992
|
|
|
Ionawr 1993
|
|
|
Chwefror 1993
|
|
|
Mawrth 1993
|
|
|
Ebrill 1993
|
|
|
Mai 1993
|
|
|
Mehefin 1993
|
|
|
Gorffennaf 1993
|
|
|
Awst 1993
|
|
|
Medi 1993
|
|
|
Hydref 1993
|
|
|
Tachwedd 1993
|
|
|
Rhagfyr 1993
|
|
|
Ionawr 1994
|
|
|
Chwefror 1994
|
|
|
Mawrth 1994
|
|
|
Ebrill 1994
|
|
|
Mai 1994
|
|
|
Mehefin 1994
|
|
|
Gorffennaf 1994
|
|
|
Awst 1994
|
|
|
Medi 1994
|
|
|
Hydref 1994
|
|
|
Tachwedd 1994
|
|
|
Rhagfyr 1994
|
|
|
Ionawr 1995
|
59578.0
|
40796.0
|
Chwefror 1995
|
60444.0
|
41256.0
|
Mawrth 1995
|
60399.0
|
41029.0
|
Ebrill 1995
|
58992.0
|
40892.0
|
Mai 1995
|
61098.0
|
41970.0
|
Mehefin 1995
|
60269.0
|
40983.0
|
Gorffennaf 1995
|
61016.0
|
42005.0
|
Awst 1995
|
59509.0
|
40601.0
|
Medi 1995
|
58528.0
|
40669.0
|
Hydref 1995
|
59953.0
|
40305.0
|
Tachwedd 1995
|
60035.0
|
40340.0
|
Rhagfyr 1995
|
61120.0
|
40864.0
|
Ionawr 1996
|
60380.0
|
39228.0
|
Chwefror 1996
|
59791.0
|
39217.0
|
Mawrth 1996
|
61802.0
|
40155.0
|
Ebrill 1996
|
60723.0
|
40088.0
|
Mai 1996
|
61828.0
|
41542.0
|
Mehefin 1996
|
62223.0
|
41340.0
|
Gorffennaf 1996
|
61871.0
|
41326.0
|
Awst 1996
|
62691.0
|
41880.0
|
Medi 1996
|
61873.0
|
41644.0
|
Hydref 1996
|
61547.0
|
41066.0
|
Tachwedd 1996
|
61762.0
|
41336.0
|
Rhagfyr 1996
|
61015.0
|
41237.0
|
Ionawr 1997
|
60622.0
|
40962.0
|
Chwefror 1997
|
61578.0
|
41106.0
|
Mawrth 1997
|
61834.0
|
41258.0
|
Ebrill 1997
|
63055.0
|
42519.0
|
Mai 1997
|
63250.0
|
42626.0
|
Mehefin 1997
|
63442.0
|
43210.0
|
Gorffennaf 1997
|
64528.0
|
44146.0
|
Awst 1997
|
63227.0
|
43420.0
|
Medi 1997
|
62064.0
|
42397.0
|
Hydref 1997
|
62693.0
|
42581.0
|
Tachwedd 1997
|
62491.0
|
42664.0
|
Rhagfyr 1997
|
63603.0
|
42912.0
|
Ionawr 1998
|
64009.0
|
42719.0
|
Chwefror 1998
|
63560.0
|
41944.0
|
Mawrth 1998
|
64786.0
|
43241.0
|
Ebrill 1998
|
64756.0
|
43526.0
|
Mai 1998
|
64287.0
|
43721.0
|
Mehefin 1998
|
65980.0
|
44429.0
|
Gorffennaf 1998
|
65587.0
|
44277.0
|
Awst 1998
|
66785.0
|
45023.0
|
Medi 1998
|
66474.0
|
44990.0
|
Hydref 1998
|
65760.0
|
43990.0
|
Tachwedd 1998
|
65781.0
|
43906.0
|
Rhagfyr 1998
|
66249.0
|
44438.0
|
Ionawr 1999
|
66407.0
|
43832.0
|
Chwefror 1999
|
63523.0
|
42453.0
|
Mawrth 1999
|
66507.0
|
43864.0
|
Ebrill 1999
|
65793.0
|
44523.0
|
Mai 1999
|
66771.0
|
44574.0
|
Mehefin 1999
|
68403.0
|
46072.0
|
Gorffennaf 1999
|
68638.0
|
46139.0
|
Awst 1999
|
68041.0
|
46152.0
|
Medi 1999
|
67920.0
|
46193.0
|
Hydref 1999
|
70387.0
|
47316.0
|
Tachwedd 1999
|
69458.0
|
47099.0
|
Rhagfyr 1999
|
69873.0
|
46624.0
|
Ionawr 2000
|
68271.0
|
46010.0
|
Chwefror 2000
|
69527.0
|
46064.0
|
Mawrth 2000
|
70528.0
|
46982.0
|
Ebrill 2000
|
70938.0
|
47807.0
|
Mai 2000
|
71552.0
|
48099.0
|
Mehefin 2000
|
69851.0
|
47402.0
|
Gorffennaf 2000
|
72696.0
|
48692.0
|
Awst 2000
|
73746.0
|
48910.0
|
Medi 2000
|
71211.0
|
47748.0
|
Hydref 2000
|
71965.0
|
47754.0
|
Tachwedd 2000
|
71649.0
|
47260.0
|
Rhagfyr 2000
|
73391.0
|
48569.0
|
Ionawr 2001
|
74451.0
|
47900.0
|
Chwefror 2001
|
73741.0
|
47104.0
|
Mawrth 2001
|
73024.0
|
47736.0
|
Ebrill 2001
|
76449.0
|
49785.0
|
Mai 2001
|
76045.0
|
50539.0
|
Mehefin 2001
|
76885.0
|
50321.0
|
Gorffennaf 2001
|
78591.0
|
51359.0
|
Awst 2001
|
81602.0
|
53357.0
|
Medi 2001
|
79988.0
|
51651.0
|
Hydref 2001
|
80855.0
|
52102.0
|
Tachwedd 2001
|
80920.0
|
52705.0
|
Rhagfyr 2001
|
83600.0
|
53698.0
|
Ionawr 2002
|
82863.0
|
52541.0
|
Chwefror 2002
|
84230.0
|
52698.0
|
Mawrth 2002
|
84245.0
|
54325.0
|
Ebrill 2002
|
86715.0
|
55931.0
|
Mai 2002
|
88085.0
|
57958.0
|
Mehefin 2002
|
90528.0
|
58628.0
|
Gorffennaf 2002
|
92710.0
|
60976.0
|
Awst 2002
|
94526.0
|
62687.0
|
Medi 2002
|
93814.0
|
62129.0
|
Hydref 2002
|
96308.0
|
63654.0
|
Tachwedd 2002
|
98836.0
|
66087.0
|
Rhagfyr 2002
|
100349.0
|
67042.0
|
Ionawr 2003
|
97524.0
|
65140.0
|
Chwefror 2003
|
100140.0
|
65885.0
|
Mawrth 2003
|
105327.0
|
69284.0
|
Ebrill 2003
|
110020.0
|
72860.0
|
Mai 2003
|
110515.0
|
74366.0
|
Mehefin 2003
|
113450.0
|
76037.0
|
Gorffennaf 2003
|
118991.0
|
79946.0
|
Awst 2003
|
119922.0
|
81561.0
|
Medi 2003
|
119645.0
|
81941.0
|
Hydref 2003
|
124118.0
|
84448.0
|
Tachwedd 2003
|
125271.0
|
85788.0
|
Rhagfyr 2003
|
125244.0
|
86705.0
|
Ionawr 2004
|
129602.0
|
87923.0
|
Chwefror 2004
|
126713.0
|
85484.0
|
Mawrth 2004
|
131879.0
|
89928.0
|
Ebrill 2004
|
136179.0
|
96582.0
|
Mai 2004
|
141419.0
|
99030.0
|
Mehefin 2004
|
149054.0
|
103041.0
|
Gorffennaf 2004
|
147708.0
|
107089.0
|
Awst 2004
|
151336.0
|
108537.0
|
Medi 2004
|
151579.0
|
107210.0
|
Hydref 2004
|
154536.0
|
108828.0
|
Tachwedd 2004
|
151573.0
|
106215.0
|
Rhagfyr 2004
|
158521.0
|
109923.0
|
Ionawr 2005
|
157334.0
|
107822.0
|
Chwefror 2005
|
158321.0
|
106616.0
|
Mawrth 2005
|
159223.0
|
108879.0
|
Ebrill 2005
|
164955.0
|
111627.0
|
Mai 2005
|
165586.0
|
113133.0
|
Mehefin 2005
|
164985.0
|
114952.0
|
Gorffennaf 2005
|
169513.0
|
117500.0
|
Awst 2005
|
171807.0
|
119207.0
|
Medi 2005
|
169301.0
|
117450.0
|
Hydref 2005
|
170673.0
|
117754.0
|
Tachwedd 2005
|
173356.0
|
119261.0
|
Rhagfyr 2005
|
172900.0
|
119132.0
|
Ionawr 2006
|
173443.0
|
119027.0
|
Chwefror 2006
|
172983.0
|
117002.0
|
Mawrth 2006
|
174963.0
|
119714.0
|
Ebrill 2006
|
177862.0
|
122105.0
|
Mai 2006
|
177171.0
|
122752.0
|
Mehefin 2006
|
180130.0
|
125017.0
|
Gorffennaf 2006
|
178820.0
|
126415.0
|
Awst 2006
|
177055.0
|
126209.0
|
Medi 2006
|
180618.0
|
127723.0
|
Hydref 2006
|
181459.0
|
127829.0
|
Tachwedd 2006
|
178225.0
|
126992.0
|
Rhagfyr 2006
|
183768.0
|
130073.0
|
Ionawr 2007
|
181950.0
|
128568.0
|
Chwefror 2007
|
180559.0
|
127249.0
|
Mawrth 2007
|
180558.0
|
128240.0
|
Ebrill 2007
|
182702.0
|
131187.0
|
Mai 2007
|
186338.0
|
131607.0
|
Mehefin 2007
|
186816.0
|
133686.0
|
Gorffennaf 2007
|
192016.0
|
135221.0
|
Awst 2007
|
185792.0
|
134668.0
|
Medi 2007
|
188105.0
|
134296.0
|
Hydref 2007
|
188485.0
|
133897.0
|
Tachwedd 2007
|
188376.0
|
134831.0
|
Rhagfyr 2007
|
188927.0
|
134460.0
|
Ionawr 2008
|
185572.0
|
131412.0
|
Chwefror 2008
|
189933.0
|
130544.0
|
Mawrth 2008
|
185893.0
|
129331.0
|
Ebrill 2008
|
189482.0
|
131621.0
|
Mai 2008
|
190128.0
|
132804.0
|
Mehefin 2008
|
187388.0
|
131280.0
|
Gorffennaf 2008
|
181767.0
|
128346.0
|
Awst 2008
|
178633.0
|
127820.0
|
Medi 2008
|
174436.0
|
123120.0
|
Hydref 2008
|
170799.0
|
120741.0
|
Tachwedd 2008
|
171987.0
|
119996.0
|
Rhagfyr 2008
|
162949.0
|
116908.0
|
Ionawr 2009
|
163790.0
|
115086.0
|
Chwefror 2009
|
162658.0
|
113553.0
|
Mawrth 2009
|
163768.0
|
113291.0
|
Ebrill 2009
|
163723.0
|
114607.0
|
Mai 2009
|
163170.0
|
116053.0
|
Mehefin 2009
|
164203.0
|
117379.0
|
Gorffennaf 2009
|
163268.0
|
117613.0
|
Awst 2009
|
164105.0
|
119438.0
|
Medi 2009
|
167470.0
|
120264.0
|
Hydref 2009
|
165101.0
|
119846.0
|
Tachwedd 2009
|
165852.0
|
120874.0
|
Rhagfyr 2009
|
166777.0
|
121974.0
|
Ionawr 2010
|
155568.0
|
117277.0
|
Chwefror 2010
|
163375.0
|
118797.0
|
Mawrth 2010
|
166069.0
|
119788.0
|
Ebrill 2010
|
162381.0
|
120455.0
|
Mai 2010
|
161258.0
|
119963.0
|
Mehefin 2010
|
163608.0
|
120568.0
|
Gorffennaf 2010
|
159773.0
|
120622.0
|
Awst 2010
|
165739.0
|
123173.0
|
Medi 2010
|
163493.0
|
119049.0
|
Hydref 2010
|
167214.0
|
121532.0
|
Tachwedd 2010
|
160859.0
|
117142.0
|
Rhagfyr 2010
|
163879.0
|
116244.0
|
Ionawr 2011
|
160621.0
|
113717.0
|
Chwefror 2011
|
159532.0
|
113487.0
|
Mawrth 2011
|
161351.0
|
112114.0
|
Ebrill 2011
|
165231.0
|
115846.0
|
Mai 2011
|
166500.0
|
116323.0
|
Mehefin 2011
|
163166.0
|
116294.0
|
Gorffennaf 2011
|
162253.0
|
114121.0
|
Awst 2011
|
158603.0
|
113741.0
|
Medi 2011
|
159063.0
|
114000.0
|
Hydref 2011
|
159213.0
|
112890.0
|
Tachwedd 2011
|
161559.0
|
113540.0
|
Rhagfyr 2011
|
159056.0
|
111904.0
|
Ionawr 2012
|
154313.0
|
109800.0
|
Chwefror 2012
|
155065.0
|
110655.0
|
Mawrth 2012
|
161255.0
|
113114.0
|
Ebrill 2012
|
159047.0
|
112675.0
|
Mai 2012
|
158510.0
|
112252.0
|
Mehefin 2012
|
159006.0
|
114240.0
|
Gorffennaf 2012
|
156006.0
|
114198.0
|
Awst 2012
|
160149.0
|
116678.0
|
Medi 2012
|
159777.0
|
114994.0
|
Hydref 2012
|
161605.0
|
113336.0
|
Tachwedd 2012
|
161876.0
|
113225.0
|
Rhagfyr 2012
|
159576.0
|
111333.0
|
Ionawr 2013
|
154244.0
|
110441.0
|
Chwefror 2013
|
152570.0
|
108864.0
|
Mawrth 2013
|
160798.0
|
111572.0
|
Ebrill 2013
|
158687.0
|
111947.0
|
Mai 2013
|
159380.0
|
112453.0
|
Mehefin 2013
|
158682.0
|
112294.0
|
Gorffennaf 2013
|
160397.0
|
115339.0
|
Awst 2013
|
162438.0
|
116967.0
|
Medi 2013
|
164881.0
|
115560.0
|
Hydref 2013
|
155861.0
|
109506.0
|
Tachwedd 2013
|
160728.0
|
112995.0
|
Rhagfyr 2013
|
162743.0
|
112614.0
|
Ionawr 2014
|
157950.0
|
111139.0
|
Chwefror 2014
|
159983.0
|
111231.0
|
Mawrth 2014
|
161533.0
|
112769.0
|
Ebrill 2014
|
164584.0
|
114681.0
|
Mai 2014
|
166402.0
|
114843.0
|
Mehefin 2014
|
168036.0
|
117548.0
|
Gorffennaf 2014
|
166507.0
|
117756.0
|
Awst 2014
|
165177.0
|
117935.0
|
Medi 2014
|
163711.0
|
116886.0
|
Hydref 2014
|
162519.0
|
115204.0
|
Tachwedd 2014
|
162787.0
|
115354.0
|
Rhagfyr 2014
|
164851.0
|
115186.0
|
Ionawr 2015
|
162899.0
|
113564.0
|
Chwefror 2015
|
166067.0
|
114809.0
|
Mawrth 2015
|
165772.0
|
113824.0
|
Ebrill 2015
|
169897.0
|
117816.0
|
Mai 2015
|
167107.0
|
116952.0
|
Mehefin 2015
|
167623.0
|
119013.0
|
Gorffennaf 2015
|
168447.0
|
119049.0
|
Awst 2015
|
168699.0
|
120044.0
|
Medi 2015
|
168832.0
|
119697.0
|
Hydref 2015
|
168193.0
|
117838.0
|
Tachwedd 2015
|
169220.0
|
119382.0
|
Rhagfyr 2015
|
174133.0
|
119658.0
|
Ionawr 2016
|
168076.0
|
117403.0
|
Chwefror 2016
|
165763.0
|
117546.0
|
Mawrth 2016
|
164807.0
|
119473.0
|
Ebrill 2016
|
175701.0
|
118377.0
|
Mai 2016
|
180791.0
|
120396.0
|
Mehefin 2016
|
178392.0
|
122880.0
|
Gorffennaf 2016
|
178595.0
|
123728.0
|
Awst 2016
|
175254.0
|
122256.0
|
Medi 2016
|
174307.0
|
120903.0
|
Hydref 2016
|
176894.0
|
120134.0
|
Tachwedd 2016
|
178184.0
|
120788.0
|
Rhagfyr 2016
|
180166.0
|
122168.0
|
Ionawr 2017
|
177528.0
|
117811.0
|
Chwefror 2017
|
179002.0
|
119851.0
|
Mawrth 2017
|
177228.0
|
117621.0
|
Ebrill 2017
|
178772.0
|
120707.0
|
Mai 2017
|
182457.0
|
122780.0
|
Mehefin 2017
|
180633.0
|
123943.0
|
Gorffennaf 2017
|
182215.0
|
123740.0
|
Awst 2017
|
181616.0
|
125605.0
|
Medi 2017
|
182009.0
|
123276.0
|
Hydref 2017
|
183856.0
|
124286.0
|
Tachwedd 2017
|
179302.0
|
123003.0
|
Rhagfyr 2017
|
185456.0
|
125794.0
|
Ionawr 2018
|
180822.0
|
119840.0
|
Chwefror 2018
|
189232.0
|
121523.0
|
Mawrth 2018
|
178618.0
|
119921.0
|
Ebrill 2018
|
186617.0
|
123883.0
|
Mai 2018
|
183815.0
|
124741.0
|
Mehefin 2018
|
183078.0
|
123935.0
|
Gorffennaf 2018
|
188291.0
|
126961.0
|
Awst 2018
|
188400.0
|
125980.0
|
Medi 2018
|
186274.0
|
126030.0
|
Hydref 2018
|
190204.0
|
126222.0
|
Tachwedd 2018
|
181655.0
|
125029.0
|
Rhagfyr 2018
|
184330.0
|
124527.0
|
Ionawr 2019
|
182568.0
|
121086.0
|
Chwefror 2019
|
185998.0
|
119745.0
|
Mawrth 2019
|
182091.0
|
120268.0
|
Ebrill 2019
|
188540.0
|
124285.0
|
Mai 2019
|
186304.0
|
124490.0
|
Mehefin 2019
|
183640.0
|
125488.0
|
Gorffennaf 2019
|
191690.0
|
125066.0
|
Awst 2019
|
188196.0
|
127175.0
|
Medi 2019
|
190720.0
|
127454.0
|
Hydref 2019
|
188586.0
|
124782.0
|
Tachwedd 2019
|
181493.0
|
125685.0
|
Rhagfyr 2019
|
181974.0
|
125433.0
|
Ionawr 2020
|
190409.0
|
122431.0
|
Chwefror 2020
|
182824.0
|
122917.0
|
Mawrth 2020
|
188621.0
|
123726.0
|
Dyddiad
|
Adeilad newydd
|
Eiddo presennol
|
Ebrill 1992
|
|
|
Mai 1992
|
|
|
Mehefin 1992
|
|
|
Gorffennaf 1992
|
|
|
Awst 1992
|
|
|
Medi 1992
|
|
|
Hydref 1992
|
|
|
Tachwedd 1992
|
|
|
Rhagfyr 1992
|
|
|
Ionawr 1993
|
|
|
Chwefror 1993
|
|
|
Mawrth 1993
|
|
|
Ebrill 1993
|
|
|
Mai 1993
|
|
|
Mehefin 1993
|
|
|
Gorffennaf 1993
|
|
|
Awst 1993
|
|
|
Medi 1993
|
|
|
Hydref 1993
|
|
|
Tachwedd 1993
|
|
|
Rhagfyr 1993
|
|
|
Ionawr 1994
|
|
|
Chwefror 1994
|
|
|
Mawrth 1994
|
|
|
Ebrill 1994
|
|
|
Mai 1994
|
|
|
Mehefin 1994
|
|
|
Gorffennaf 1994
|
|
|
Awst 1994
|
|
|
Medi 1994
|
|
|
Hydref 1994
|
|
|
Tachwedd 1994
|
|
|
Rhagfyr 1994
|
|
|
Ionawr 1995
|
|
|
Chwefror 1995
|
|
|
Mawrth 1995
|
|
|
Ebrill 1995
|
|
|
Mai 1995
|
|
|
Mehefin 1995
|
|
|
Gorffennaf 1995
|
|
|
Awst 1995
|
|
|
Medi 1995
|
|
|
Hydref 1995
|
|
|
Tachwedd 1995
|
|
|
Rhagfyr 1995
|
|
|
Ionawr 1996
|
1.4
|
-3.8
|
Chwefror 1996
|
-1.1
|
-4.9
|
Mawrth 1996
|
2.3
|
-2.1
|
Ebrill 1996
|
2.9
|
-2.0
|
Mai 1996
|
1.2
|
-1.0
|
Mehefin 1996
|
3.2
|
0.9
|
Gorffennaf 1996
|
1.4
|
-1.6
|
Awst 1996
|
5.4
|
3.2
|
Medi 1996
|
5.7
|
2.4
|
Hydref 1996
|
2.7
|
1.9
|
Tachwedd 1996
|
2.9
|
2.5
|
Rhagfyr 1996
|
-0.2
|
0.9
|
Ionawr 1997
|
0.4
|
4.4
|
Chwefror 1997
|
3.0
|
4.8
|
Mawrth 1997
|
0.1
|
2.8
|
Ebrill 1997
|
3.8
|
6.1
|
Mai 1997
|
2.3
|
2.6
|
Mehefin 1997
|
2.0
|
4.5
|
Gorffennaf 1997
|
4.3
|
6.8
|
Awst 1997
|
0.9
|
3.7
|
Medi 1997
|
0.3
|
1.8
|
Hydref 1997
|
1.9
|
3.7
|
Tachwedd 1997
|
1.2
|
3.2
|
Rhagfyr 1997
|
4.2
|
4.1
|
Ionawr 1998
|
5.6
|
4.3
|
Chwefror 1998
|
3.2
|
2.0
|
Mawrth 1998
|
4.8
|
4.8
|
Ebrill 1998
|
2.7
|
2.4
|
Mai 1998
|
1.6
|
2.6
|
Mehefin 1998
|
4.0
|
2.8
|
Gorffennaf 1998
|
1.6
|
0.3
|
Awst 1998
|
5.6
|
3.7
|
Medi 1998
|
7.1
|
6.1
|
Hydref 1998
|
4.9
|
3.3
|
Tachwedd 1998
|
5.3
|
2.9
|
Rhagfyr 1998
|
4.2
|
3.6
|
Ionawr 1999
|
3.8
|
2.6
|
Chwefror 1999
|
-0.1
|
1.2
|
Mawrth 1999
|
2.7
|
1.4
|
Ebrill 1999
|
1.6
|
2.3
|
Mai 1999
|
3.9
|
2.0
|
Mehefin 1999
|
3.7
|
3.7
|
Gorffennaf 1999
|
4.6
|
4.2
|
Awst 1999
|
1.9
|
2.5
|
Medi 1999
|
2.2
|
2.7
|
Hydref 1999
|
7.0
|
7.6
|
Tachwedd 1999
|
5.6
|
7.3
|
Rhagfyr 1999
|
5.5
|
4.9
|
Ionawr 2000
|
2.8
|
5.0
|
Chwefror 2000
|
9.4
|
8.5
|
Mawrth 2000
|
6.0
|
7.1
|
Ebrill 2000
|
7.8
|
7.4
|
Mai 2000
|
7.2
|
7.9
|
Mehefin 2000
|
2.1
|
2.9
|
Gorffennaf 2000
|
5.9
|
5.5
|
Awst 2000
|
8.4
|
6.0
|
Medi 2000
|
4.8
|
3.4
|
Hydref 2000
|
2.2
|
0.9
|
Tachwedd 2000
|
3.2
|
0.3
|
Rhagfyr 2000
|
5.0
|
4.2
|
Ionawr 2001
|
9.0
|
4.1
|
Chwefror 2001
|
6.1
|
2.3
|
Mawrth 2001
|
3.5
|
1.6
|
Ebrill 2001
|
7.8
|
4.1
|
Mai 2001
|
6.3
|
5.1
|
Mehefin 2001
|
10.1
|
6.2
|
Gorffennaf 2001
|
8.1
|
5.5
|
Awst 2001
|
10.6
|
9.1
|
Medi 2001
|
12.3
|
8.2
|
Hydref 2001
|
12.4
|
9.1
|
Tachwedd 2001
|
12.9
|
11.5
|
Rhagfyr 2001
|
13.9
|
10.6
|
Ionawr 2002
|
11.3
|
9.7
|
Chwefror 2002
|
14.2
|
11.9
|
Mawrth 2002
|
15.4
|
13.8
|
Ebrill 2002
|
13.4
|
12.4
|
Mai 2002
|
15.8
|
14.7
|
Mehefin 2002
|
17.7
|
16.5
|
Gorffennaf 2002
|
18.0
|
18.7
|
Awst 2002
|
15.8
|
17.5
|
Medi 2002
|
17.3
|
20.3
|
Hydref 2002
|
19.1
|
22.2
|
Tachwedd 2002
|
22.1
|
25.4
|
Rhagfyr 2002
|
20.0
|
24.8
|
Ionawr 2003
|
17.7
|
24.0
|
Chwefror 2003
|
18.9
|
25.0
|
Mawrth 2003
|
25.0
|
27.5
|
Ebrill 2003
|
26.9
|
30.3
|
Mai 2003
|
25.5
|
28.3
|
Mehefin 2003
|
25.3
|
29.7
|
Gorffennaf 2003
|
28.4
|
31.1
|
Awst 2003
|
26.9
|
30.1
|
Medi 2003
|
27.5
|
31.9
|
Hydref 2003
|
28.9
|
32.7
|
Tachwedd 2003
|
26.8
|
29.8
|
Rhagfyr 2003
|
24.8
|
29.3
|
Ionawr 2004
|
32.9
|
35.0
|
Chwefror 2004
|
26.5
|
29.8
|
Mawrth 2004
|
25.2
|
29.8
|
Ebrill 2004
|
23.8
|
32.6
|
Mai 2004
|
28.0
|
33.2
|
Mehefin 2004
|
31.4
|
35.5
|
Gorffennaf 2004
|
24.1
|
34.0
|
Awst 2004
|
26.2
|
33.1
|
Medi 2004
|
26.7
|
30.8
|
Hydref 2004
|
24.5
|
28.9
|
Tachwedd 2004
|
21.0
|
23.8
|
Rhagfyr 2004
|
26.6
|
26.8
|
Ionawr 2005
|
21.4
|
22.6
|
Chwefror 2005
|
24.9
|
24.7
|
Mawrth 2005
|
20.7
|
21.1
|
Ebrill 2005
|
21.1
|
15.6
|
Mai 2005
|
17.1
|
14.2
|
Mehefin 2005
|
10.7
|
11.6
|
Gorffennaf 2005
|
14.8
|
9.7
|
Awst 2005
|
13.5
|
9.8
|
Medi 2005
|
11.7
|
9.6
|
Hydref 2005
|
10.4
|
8.2
|
Tachwedd 2005
|
14.4
|
12.3
|
Rhagfyr 2005
|
9.1
|
8.4
|
Ionawr 2006
|
10.2
|
10.4
|
Chwefror 2006
|
9.3
|
9.7
|
Mawrth 2006
|
9.9
|
10.0
|
Ebrill 2006
|
7.8
|
9.4
|
Mai 2006
|
7.0
|
8.5
|
Mehefin 2006
|
9.2
|
8.8
|
Gorffennaf 2006
|
5.5
|
7.6
|
Awst 2006
|
3.0
|
5.9
|
Medi 2006
|
6.7
|
8.8
|
Hydref 2006
|
6.3
|
8.6
|
Tachwedd 2006
|
2.8
|
6.5
|
Rhagfyr 2006
|
6.3
|
9.2
|
Ionawr 2007
|
4.9
|
8.0
|
Chwefror 2007
|
4.4
|
8.8
|
Mawrth 2007
|
3.2
|
7.1
|
Ebrill 2007
|
2.7
|
7.4
|
Mai 2007
|
5.2
|
7.2
|
Mehefin 2007
|
3.7
|
6.9
|
Gorffennaf 2007
|
7.4
|
7.0
|
Awst 2007
|
4.9
|
6.7
|
Medi 2007
|
4.2
|
5.2
|
Hydref 2007
|
3.9
|
4.8
|
Tachwedd 2007
|
5.7
|
6.2
|
Rhagfyr 2007
|
2.8
|
3.4
|
Ionawr 2008
|
2.0
|
2.2
|
Chwefror 2008
|
5.2
|
2.6
|
Mawrth 2008
|
3.0
|
0.8
|
Ebrill 2008
|
3.7
|
0.3
|
Mai 2008
|
2.0
|
0.9
|
Mehefin 2008
|
0.3
|
-1.8
|
Gorffennaf 2008
|
-5.3
|
-5.1
|
Awst 2008
|
-3.8
|
-5.1
|
Medi 2008
|
-7.3
|
-8.3
|
Hydref 2008
|
-9.4
|
-9.8
|
Tachwedd 2008
|
-8.7
|
-11.0
|
Rhagfyr 2008
|
-13.8
|
-13.0
|
Ionawr 2009
|
-11.7
|
-12.4
|
Chwefror 2009
|
-14.4
|
-13.0
|
Mawrth 2009
|
-11.9
|
-12.4
|
Ebrill 2009
|
-13.6
|
-12.9
|
Mai 2009
|
-14.2
|
-12.6
|
Mehefin 2009
|
-12.4
|
-10.6
|
Gorffennaf 2009
|
-10.2
|
-8.4
|
Awst 2009
|
-8.1
|
-6.6
|
Medi 2009
|
-4.0
|
-2.3
|
Hydref 2009
|
-3.3
|
-0.7
|
Tachwedd 2009
|
-3.6
|
0.7
|
Rhagfyr 2009
|
2.4
|
4.3
|
Ionawr 2010
|
-5.0
|
1.9
|
Chwefror 2010
|
0.4
|
4.6
|
Mawrth 2010
|
1.4
|
5.7
|
Ebrill 2010
|
-0.8
|
5.1
|
Mai 2010
|
-1.2
|
3.4
|
Mehefin 2010
|
-0.4
|
2.7
|
Gorffennaf 2010
|
-2.1
|
2.6
|
Awst 2010
|
1.0
|
3.1
|
Medi 2010
|
-2.4
|
-1.0
|
Hydref 2010
|
1.3
|
1.4
|
Tachwedd 2010
|
-3.0
|
-3.1
|
Rhagfyr 2010
|
-1.7
|
-4.7
|
Ionawr 2011
|
3.2
|
-3.0
|
Chwefror 2011
|
-2.4
|
-4.5
|
Mawrth 2011
|
-2.8
|
-6.4
|
Ebrill 2011
|
1.8
|
-3.8
|
Mai 2011
|
3.2
|
-3.0
|
Mehefin 2011
|
-0.3
|
-3.6
|
Gorffennaf 2011
|
1.6
|
-5.4
|
Awst 2011
|
-4.3
|
-7.7
|
Medi 2011
|
-2.7
|
-4.2
|
Hydref 2011
|
-4.8
|
-7.1
|
Tachwedd 2011
|
0.4
|
-3.1
|
Rhagfyr 2011
|
-2.9
|
-3.7
|
Ionawr 2012
|
-3.9
|
-3.4
|
Chwefror 2012
|
-2.8
|
-2.5
|
Mawrth 2012
|
-0.1
|
0.9
|
Ebrill 2012
|
-3.7
|
-2.7
|
Mai 2012
|
-4.8
|
-3.5
|
Mehefin 2012
|
-2.6
|
-1.8
|
Gorffennaf 2012
|
-3.8
|
0.1
|
Awst 2012
|
1.0
|
2.6
|
Medi 2012
|
0.4
|
0.9
|
Hydref 2012
|
1.5
|
0.4
|
Tachwedd 2012
|
0.2
|
-0.3
|
Rhagfyr 2012
|
0.3
|
-0.5
|
Ionawr 2013
|
-0.0
|
0.6
|
Chwefror 2013
|
-1.6
|
-1.6
|
Mawrth 2013
|
-0.3
|
-1.4
|
Ebrill 2013
|
-0.2
|
-0.6
|
Mai 2013
|
0.6
|
0.2
|
Mehefin 2013
|
-0.2
|
-1.7
|
Gorffennaf 2013
|
2.8
|
1.0
|
Awst 2013
|
1.4
|
0.2
|
Medi 2013
|
3.2
|
0.5
|
Hydref 2013
|
-3.6
|
-3.4
|
Tachwedd 2013
|
-0.7
|
-0.2
|
Rhagfyr 2013
|
2.0
|
1.2
|
Ionawr 2014
|
2.4
|
0.6
|
Chwefror 2014
|
4.9
|
2.2
|
Mawrth 2014
|
0.5
|
1.1
|
Ebrill 2014
|
3.7
|
2.4
|
Mai 2014
|
4.4
|
2.1
|
Mehefin 2014
|
5.9
|
4.7
|
Gorffennaf 2014
|
3.8
|
2.1
|
Awst 2014
|
1.7
|
0.8
|
Medi 2014
|
-0.7
|
1.2
|
Hydref 2014
|
4.3
|
5.2
|
Tachwedd 2014
|
1.3
|
2.1
|
Rhagfyr 2014
|
1.3
|
2.3
|
Ionawr 2015
|
3.1
|
2.2
|
Chwefror 2015
|
3.8
|
3.2
|
Mawrth 2015
|
2.6
|
0.9
|
Ebrill 2015
|
3.2
|
2.7
|
Mai 2015
|
0.4
|
1.8
|
Mehefin 2015
|
-0.2
|
1.2
|
Gorffennaf 2015
|
1.2
|
1.1
|
Awst 2015
|
2.1
|
1.8
|
Medi 2015
|
3.1
|
2.4
|
Hydref 2015
|
3.5
|
2.3
|
Tachwedd 2015
|
4.0
|
3.5
|
Rhagfyr 2015
|
5.6
|
3.9
|
Ionawr 2016
|
3.2
|
3.4
|
Chwefror 2016
|
-0.2
|
2.4
|
Mawrth 2016
|
-0.6
|
5.0
|
Ebrill 2016
|
3.4
|
0.5
|
Mai 2016
|
8.2
|
3.0
|
Mehefin 2016
|
6.4
|
3.2
|
Gorffennaf 2016
|
6.0
|
3.9
|
Awst 2016
|
3.9
|
1.8
|
Medi 2016
|
3.2
|
1.0
|
Hydref 2016
|
5.2
|
2.0
|
Tachwedd 2016
|
5.3
|
1.2
|
Rhagfyr 2016
|
3.5
|
2.1
|
Ionawr 2017
|
5.6
|
0.4
|
Chwefror 2017
|
8.0
|
2.0
|
Mawrth 2017
|
7.5
|
-1.6
|
Ebrill 2017
|
1.8
|
2.0
|
Mai 2017
|
0.9
|
2.0
|
Mehefin 2017
|
1.3
|
0.9
|
Gorffennaf 2017
|
2.0
|
0.0
|
Awst 2017
|
3.6
|
2.7
|
Medi 2017
|
4.4
|
2.0
|
Hydref 2017
|
3.9
|
3.5
|
Tachwedd 2017
|
0.6
|
1.8
|
Rhagfyr 2017
|
2.9
|
3.0
|
Ionawr 2018
|
1.9
|
1.7
|
Chwefror 2018
|
5.7
|
1.4
|
Mawrth 2018
|
0.8
|
2.0
|
Ebrill 2018
|
4.4
|
2.6
|
Mai 2018
|
0.7
|
1.6
|
Mehefin 2018
|
1.4
|
-0.0
|
Gorffennaf 2018
|
3.3
|
2.6
|
Awst 2018
|
3.7
|
0.3
|
Medi 2018
|
2.3
|
2.2
|
Hydref 2018
|
3.4
|
1.6
|
Tachwedd 2018
|
1.3
|
1.6
|
Rhagfyr 2018
|
-0.6
|
-1.0
|
Ionawr 2019
|
1.0
|
1.0
|
Chwefror 2019
|
-1.7
|
-1.5
|
Mawrth 2019
|
1.9
|
0.3
|
Ebrill 2019
|
1.0
|
0.3
|
Mai 2019
|
1.4
|
-0.2
|
Mehefin 2019
|
0.3
|
1.2
|
Gorffennaf 2019
|
1.8
|
-1.5
|
Awst 2019
|
-0.1
|
1.0
|
Medi 2019
|
2.4
|
1.1
|
Hydref 2019
|
-0.8
|
-1.1
|
Tachwedd 2019
|
-0.1
|
0.5
|
Rhagfyr 2019
|
-1.3
|
0.7
|
Ionawr 2020
|
4.3
|
1.1
|
Chwefror 2020
|
-1.7
|
2.6
|
Mawrth 2020
|
3.6
|
2.9
|
Dyddiad
|
Adeilad newydd
|
Eiddo presennol
|
Ebrill 1992
|
|
|
Mai 1992
|
|
|
Mehefin 1992
|
|
|
Gorffennaf 1992
|
|
|
Awst 1992
|
|
|
Medi 1992
|
|
|
Hydref 1992
|
|
|
Tachwedd 1992
|
|
|
Rhagfyr 1992
|
|
|
Ionawr 1993
|
|
|
Chwefror 1993
|
|
|
Mawrth 1993
|
|
|
Ebrill 1993
|
|
|
Mai 1993
|
|
|
Mehefin 1993
|
|
|
Gorffennaf 1993
|
|
|
Awst 1993
|
|
|
Medi 1993
|
|
|
Hydref 1993
|
|
|
Tachwedd 1993
|
|
|
Rhagfyr 1993
|
|
|
Ionawr 1994
|
|
|
Chwefror 1994
|
|
|
Mawrth 1994
|
|
|
Ebrill 1994
|
|
|
Mai 1994
|
|
|
Mehefin 1994
|
|
|
Gorffennaf 1994
|
|
|
Awst 1994
|
|
|
Medi 1994
|
|
|
Hydref 1994
|
|
|
Tachwedd 1994
|
|
|
Rhagfyr 1994
|
|
|
Ionawr 1995
|
|
|
Chwefror 1995
|
1.4
|
1.1
|
Mawrth 1995
|
-0.1
|
-0.6
|
Ebrill 1995
|
-2.3
|
-0.3
|
Mai 1995
|
3.6
|
2.6
|
Mehefin 1995
|
-1.4
|
-2.4
|
Gorffennaf 1995
|
1.2
|
2.5
|
Awst 1995
|
-2.5
|
-3.3
|
Medi 1995
|
-1.6
|
0.2
|
Hydref 1995
|
2.4
|
-0.9
|
Tachwedd 1995
|
0.1
|
0.1
|
Rhagfyr 1995
|
1.8
|
1.3
|
Ionawr 1996
|
-1.2
|
-4.0
|
Chwefror 1996
|
-1.0
|
-0.0
|
Mawrth 1996
|
3.4
|
2.4
|
Ebrill 1996
|
-1.8
|
-0.2
|
Mai 1996
|
1.8
|
3.6
|
Mehefin 1996
|
0.6
|
-0.5
|
Gorffennaf 1996
|
-0.6
|
-0.0
|
Awst 1996
|
1.3
|
1.3
|
Medi 1996
|
-1.3
|
-0.6
|
Hydref 1996
|
-0.5
|
-1.4
|
Tachwedd 1996
|
0.4
|
0.7
|
Rhagfyr 1996
|
-1.2
|
-0.2
|
Ionawr 1997
|
-0.6
|
-0.7
|
Chwefror 1997
|
1.6
|
0.4
|
Mawrth 1997
|
0.4
|
0.4
|
Ebrill 1997
|
2.0
|
3.1
|
Mai 1997
|
0.3
|
0.2
|
Mehefin 1997
|
0.3
|
1.4
|
Gorffennaf 1997
|
1.7
|
2.2
|
Awst 1997
|
-2.0
|
-1.6
|
Medi 1997
|
-1.8
|
-2.4
|
Hydref 1997
|
1.0
|
0.4
|
Tachwedd 1997
|
-0.3
|
0.2
|
Rhagfyr 1997
|
1.8
|
0.6
|
Ionawr 1998
|
0.6
|
-0.4
|
Chwefror 1998
|
-0.7
|
-1.8
|
Mawrth 1998
|
1.9
|
3.1
|
Ebrill 1998
|
-0.1
|
0.7
|
Mai 1998
|
-0.7
|
0.4
|
Mehefin 1998
|
2.6
|
1.6
|
Gorffennaf 1998
|
-0.6
|
-0.3
|
Awst 1998
|
1.8
|
1.7
|
Medi 1998
|
-0.5
|
-0.1
|
Hydref 1998
|
-1.1
|
-2.2
|
Tachwedd 1998
|
0.0
|
-0.2
|
Rhagfyr 1998
|
0.7
|
1.2
|
Ionawr 1999
|
0.2
|
-1.4
|
Chwefror 1999
|
-4.3
|
-3.2
|
Mawrth 1999
|
4.7
|
3.3
|
Ebrill 1999
|
-1.1
|
1.5
|
Mai 1999
|
1.5
|
0.1
|
Mehefin 1999
|
2.4
|
3.4
|
Gorffennaf 1999
|
0.3
|
0.2
|
Awst 1999
|
-0.9
|
0.0
|
Medi 1999
|
-0.2
|
0.1
|
Hydref 1999
|
3.6
|
2.4
|
Tachwedd 1999
|
-1.3
|
-0.5
|
Rhagfyr 1999
|
0.6
|
-1.0
|
Ionawr 2000
|
-2.3
|
-1.3
|
Chwefror 2000
|
1.8
|
0.1
|
Mawrth 2000
|
1.4
|
2.0
|
Ebrill 2000
|
0.6
|
1.8
|
Mai 2000
|
0.9
|
0.6
|
Mehefin 2000
|
-2.4
|
-1.4
|
Gorffennaf 2000
|
4.1
|
2.7
|
Awst 2000
|
1.4
|
0.4
|
Medi 2000
|
-3.4
|
-2.4
|
Hydref 2000
|
1.1
|
0.0
|
Tachwedd 2000
|
-0.4
|
-1.0
|
Rhagfyr 2000
|
2.4
|
2.8
|
Ionawr 2001
|
1.4
|
-1.4
|
Chwefror 2001
|
-1.0
|
-1.7
|
Mawrth 2001
|
-1.0
|
1.3
|
Ebrill 2001
|
4.7
|
4.3
|
Mai 2001
|
-0.5
|
1.5
|
Mehefin 2001
|
1.1
|
-0.4
|
Gorffennaf 2001
|
2.2
|
2.1
|
Awst 2001
|
3.8
|
3.9
|
Medi 2001
|
-2.0
|
-3.2
|
Hydref 2001
|
1.1
|
0.9
|
Tachwedd 2001
|
0.1
|
1.2
|
Rhagfyr 2001
|
3.3
|
1.9
|
Ionawr 2002
|
-0.9
|
-2.2
|
Chwefror 2002
|
1.6
|
0.3
|
Mawrth 2002
|
0.0
|
3.1
|
Ebrill 2002
|
2.9
|
3.0
|
Mai 2002
|
1.6
|
3.6
|
Mehefin 2002
|
2.8
|
1.2
|
Gorffennaf 2002
|
2.4
|
4.0
|
Awst 2002
|
2.0
|
2.8
|
Medi 2002
|
-0.8
|
-0.9
|
Hydref 2002
|
2.7
|
2.4
|
Tachwedd 2002
|
2.6
|
3.8
|
Rhagfyr 2002
|
1.5
|
1.4
|
Ionawr 2003
|
-2.8
|
-2.8
|
Chwefror 2003
|
2.7
|
1.1
|
Mawrth 2003
|
5.2
|
5.2
|
Ebrill 2003
|
4.5
|
5.2
|
Mai 2003
|
0.4
|
2.1
|
Mehefin 2003
|
2.7
|
2.2
|
Gorffennaf 2003
|
4.9
|
5.1
|
Awst 2003
|
0.8
|
2.0
|
Medi 2003
|
-0.2
|
0.5
|
Hydref 2003
|
3.7
|
3.1
|
Tachwedd 2003
|
0.9
|
1.6
|
Rhagfyr 2003
|
-0.0
|
1.1
|
Ionawr 2004
|
3.5
|
1.4
|
Chwefror 2004
|
-2.2
|
-2.8
|
Mawrth 2004
|
4.1
|
5.2
|
Ebrill 2004
|
3.3
|
7.4
|
Mai 2004
|
3.8
|
2.5
|
Mehefin 2004
|
5.4
|
4.0
|
Gorffennaf 2004
|
-0.9
|
3.9
|
Awst 2004
|
2.5
|
1.4
|
Medi 2004
|
0.2
|
-1.2
|
Hydref 2004
|
2.0
|
1.5
|
Tachwedd 2004
|
-1.9
|
-2.4
|
Rhagfyr 2004
|
4.6
|
3.5
|
Ionawr 2005
|
-0.8
|
-1.9
|
Chwefror 2005
|
0.6
|
-1.1
|
Mawrth 2005
|
0.6
|
2.1
|
Ebrill 2005
|
3.6
|
2.5
|
Mai 2005
|
0.4
|
1.4
|
Mehefin 2005
|
-0.4
|
1.6
|
Gorffennaf 2005
|
2.7
|
2.2
|
Awst 2005
|
1.4
|
1.4
|
Medi 2005
|
-1.5
|
-1.5
|
Hydref 2005
|
0.8
|
0.3
|
Tachwedd 2005
|
1.6
|
1.3
|
Rhagfyr 2005
|
-0.3
|
-0.1
|
Ionawr 2006
|
0.3
|
-0.1
|
Chwefror 2006
|
-0.3
|
-1.7
|
Mawrth 2006
|
1.1
|
2.3
|
Ebrill 2006
|
1.7
|
2.0
|
Mai 2006
|
-0.4
|
0.5
|
Mehefin 2006
|
1.7
|
1.8
|
Gorffennaf 2006
|
-0.7
|
1.1
|
Awst 2006
|
-1.0
|
-0.2
|
Medi 2006
|
2.0
|
1.2
|
Hydref 2006
|
0.5
|
0.1
|
Tachwedd 2006
|
-1.8
|
-0.6
|
Rhagfyr 2006
|
3.1
|
2.4
|
Ionawr 2007
|
-1.0
|
-1.2
|
Chwefror 2007
|
-0.8
|
-1.0
|
Mawrth 2007
|
0.0
|
0.8
|
Ebrill 2007
|
1.2
|
2.3
|
Mai 2007
|
2.0
|
0.3
|
Mehefin 2007
|
0.3
|
1.6
|
Gorffennaf 2007
|
2.8
|
1.2
|
Awst 2007
|
-3.2
|
-0.4
|
Medi 2007
|
1.2
|
-0.3
|
Hydref 2007
|
0.2
|
-0.3
|
Tachwedd 2007
|
-0.1
|
0.7
|
Rhagfyr 2007
|
0.3
|
-0.3
|
Ionawr 2008
|
-1.8
|
-2.3
|
Chwefror 2008
|
2.4
|
-0.7
|
Mawrth 2008
|
-2.1
|
-0.9
|
Ebrill 2008
|
1.9
|
1.8
|
Mai 2008
|
0.3
|
0.9
|
Mehefin 2008
|
-1.4
|
-1.2
|
Gorffennaf 2008
|
-3.0
|
-2.2
|
Awst 2008
|
-1.7
|
-0.4
|
Medi 2008
|
-2.4
|
-3.7
|
Hydref 2008
|
-2.1
|
-1.9
|
Tachwedd 2008
|
0.7
|
-0.6
|
Rhagfyr 2008
|
-5.2
|
-2.6
|
Ionawr 2009
|
0.5
|
-1.6
|
Chwefror 2009
|
-0.7
|
-1.3
|
Mawrth 2009
|
0.7
|
-0.2
|
Ebrill 2009
|
-0.0
|
1.2
|
Mai 2009
|
-0.3
|
1.3
|
Mehefin 2009
|
0.6
|
1.1
|
Gorffennaf 2009
|
-0.6
|
0.2
|
Awst 2009
|
0.5
|
1.6
|
Medi 2009
|
2.0
|
0.7
|
Hydref 2009
|
-1.4
|
-0.4
|
Tachwedd 2009
|
0.4
|
0.9
|
Rhagfyr 2009
|
0.6
|
0.9
|
Ionawr 2010
|
-6.7
|
-3.8
|
Chwefror 2010
|
5.0
|
1.3
|
Mawrth 2010
|
1.6
|
0.8
|
Ebrill 2010
|
-2.2
|
0.6
|
Mai 2010
|
-0.7
|
-0.4
|
Mehefin 2010
|
1.5
|
0.5
|
Gorffennaf 2010
|
-2.3
|
0.0
|
Awst 2010
|
3.7
|
2.1
|
Medi 2010
|
-1.4
|
-3.4
|
Hydref 2010
|
2.3
|
2.1
|
Tachwedd 2010
|
-3.8
|
-3.6
|
Rhagfyr 2010
|
1.9
|
-0.8
|
Ionawr 2011
|
-2.0
|
-2.2
|
Chwefror 2011
|
-0.7
|
-0.2
|
Mawrth 2011
|
1.1
|
-1.2
|
Ebrill 2011
|
2.4
|
3.3
|
Mai 2011
|
0.8
|
0.4
|
Mehefin 2011
|
-2.0
|
-0.0
|
Gorffennaf 2011
|
-0.6
|
-1.9
|
Awst 2011
|
-2.2
|
-0.3
|
Medi 2011
|
0.3
|
0.2
|
Hydref 2011
|
0.1
|
-1.0
|
Tachwedd 2011
|
1.5
|
0.6
|
Rhagfyr 2011
|
-1.6
|
-1.4
|
Ionawr 2012
|
-3.0
|
-1.9
|
Chwefror 2012
|
0.5
|
0.8
|
Mawrth 2012
|
4.0
|
2.2
|
Ebrill 2012
|
-1.4
|
-0.4
|
Mai 2012
|
-0.3
|
-0.4
|
Mehefin 2012
|
0.3
|
1.8
|
Gorffennaf 2012
|
-1.9
|
-0.0
|
Awst 2012
|
2.7
|
2.2
|
Medi 2012
|
-0.2
|
-1.4
|
Hydref 2012
|
1.1
|
-1.4
|
Tachwedd 2012
|
0.2
|
-0.1
|
Rhagfyr 2012
|
-1.4
|
-1.7
|
Ionawr 2013
|
-3.3
|
-0.8
|
Chwefror 2013
|
-1.1
|
-1.4
|
Mawrth 2013
|
5.4
|
2.5
|
Ebrill 2013
|
-1.3
|
0.3
|
Mai 2013
|
0.4
|
0.4
|
Mehefin 2013
|
-0.4
|
-0.1
|
Gorffennaf 2013
|
1.1
|
2.7
|
Awst 2013
|
1.3
|
1.4
|
Medi 2013
|
1.5
|
-1.2
|
Hydref 2013
|
-5.5
|
-5.2
|
Tachwedd 2013
|
3.1
|
3.2
|
Rhagfyr 2013
|
1.2
|
-0.3
|
Ionawr 2014
|
-2.9
|
-1.3
|
Chwefror 2014
|
1.3
|
0.1
|
Mawrth 2014
|
1.0
|
1.4
|
Ebrill 2014
|
1.9
|
1.7
|
Mai 2014
|
1.1
|
0.1
|
Mehefin 2014
|
1.0
|
2.4
|
Gorffennaf 2014
|
-0.9
|
0.2
|
Awst 2014
|
-0.8
|
0.2
|
Medi 2014
|
-0.9
|
-0.9
|
Hydref 2014
|
-0.7
|
-1.4
|
Tachwedd 2014
|
0.2
|
0.1
|
Rhagfyr 2014
|
1.3
|
-0.2
|
Ionawr 2015
|
-1.2
|
-1.4
|
Chwefror 2015
|
1.9
|
1.1
|
Mawrth 2015
|
-0.2
|
-0.9
|
Ebrill 2015
|
2.5
|
3.5
|
Mai 2015
|
-1.6
|
-0.7
|
Mehefin 2015
|
0.3
|
1.8
|
Gorffennaf 2015
|
0.5
|
0.0
|
Awst 2015
|
0.2
|
0.8
|
Medi 2015
|
0.1
|
-0.3
|
Hydref 2015
|
-0.4
|
-1.6
|
Tachwedd 2015
|
0.6
|
1.3
|
Rhagfyr 2015
|
2.9
|
0.2
|
Ionawr 2016
|
-3.5
|
-1.9
|
Chwefror 2016
|
-1.4
|
0.1
|
Mawrth 2016
|
-0.6
|
1.6
|
Ebrill 2016
|
6.6
|
-0.9
|
Mai 2016
|
2.9
|
1.7
|
Mehefin 2016
|
-1.3
|
2.1
|
Gorffennaf 2016
|
0.1
|
0.7
|
Awst 2016
|
-1.9
|
-1.2
|
Medi 2016
|
-0.5
|
-1.1
|
Hydref 2016
|
1.5
|
-0.6
|
Tachwedd 2016
|
0.7
|
0.6
|
Rhagfyr 2016
|
1.1
|
1.1
|
Ionawr 2017
|
-1.5
|
-3.6
|
Chwefror 2017
|
0.8
|
1.7
|
Mawrth 2017
|
-1.0
|
-1.9
|
Ebrill 2017
|
0.9
|
2.6
|
Mai 2017
|
2.1
|
1.7
|
Mehefin 2017
|
-1.0
|
1.0
|
Gorffennaf 2017
|
0.9
|
-0.2
|
Awst 2017
|
-0.3
|
1.5
|
Medi 2017
|
0.2
|
-1.8
|
Hydref 2017
|
1.0
|
0.8
|
Tachwedd 2017
|
-2.5
|
-1.0
|
Rhagfyr 2017
|
3.4
|
2.3
|
Ionawr 2018
|
-2.5
|
-4.7
|
Chwefror 2018
|
4.6
|
1.4
|
Mawrth 2018
|
-5.6
|
-1.3
|
Ebrill 2018
|
4.5
|
3.3
|
Mai 2018
|
-1.5
|
0.7
|
Mehefin 2018
|
-0.4
|
-0.6
|
Gorffennaf 2018
|
2.8
|
2.4
|
Awst 2018
|
0.1
|
-0.8
|
Medi 2018
|
-1.1
|
0.0
|
Hydref 2018
|
2.1
|
0.2
|
Tachwedd 2018
|
-4.5
|
-0.9
|
Rhagfyr 2018
|
1.5
|
-0.4
|
Ionawr 2019
|
-1.0
|
-2.8
|
Chwefror 2019
|
1.9
|
-1.1
|
Mawrth 2019
|
-2.1
|
0.4
|
Ebrill 2019
|
3.5
|
3.3
|
Mai 2019
|
-1.2
|
0.2
|
Mehefin 2019
|
-1.4
|
0.8
|
Gorffennaf 2019
|
4.4
|
-0.3
|
Awst 2019
|
-1.8
|
1.7
|
Medi 2019
|
1.3
|
0.2
|
Hydref 2019
|
-1.1
|
-2.1
|
Tachwedd 2019
|
-3.8
|
0.7
|
Rhagfyr 2019
|
0.3
|
-0.2
|
Ionawr 2020
|
4.6
|
-2.4
|
Chwefror 2020
|
-4.0
|
0.4
|
Mawrth 2020
|
3.2
|
0.7
|
Dyddiad
|
Adeilad newydd
|
Eiddo presennol
|
Ebrill 1992
|
|
|
Mai 1992
|
|
|
Mehefin 1992
|
|
|
Gorffennaf 1992
|
|
|
Awst 1992
|
|
|
Medi 1992
|
|
|
Hydref 1992
|
|
|
Tachwedd 1992
|
|
|
Rhagfyr 1992
|
|
|
Ionawr 1993
|
|
|
Chwefror 1993
|
|
|
Mawrth 1993
|
|
|
Ebrill 1993
|
|
|
Mai 1993
|
|
|
Mehefin 1993
|
|
|
Gorffennaf 1993
|
|
|
Awst 1993
|
|
|
Medi 1993
|
|
|
Hydref 1993
|
|
|
Tachwedd 1993
|
|
|
Rhagfyr 1993
|
|
|
Ionawr 1994
|
|
|
Chwefror 1994
|
|
|
Mawrth 1994
|
|
|
Ebrill 1994
|
|
|
Mai 1994
|
|
|
Mehefin 1994
|
|
|
Gorffennaf 1994
|
|
|
Awst 1994
|
|
|
Medi 1994
|
|
|
Hydref 1994
|
|
|
Tachwedd 1994
|
|
|
Rhagfyr 1994
|
|
|
Ionawr 1995
|
36.6
|
35.9
|
Chwefror 1995
|
37.1
|
36.3
|
Mawrth 1995
|
37.1
|
36.1
|
Ebrill 1995
|
36.2
|
36.0
|
Mai 1995
|
37.5
|
37.0
|
Mehefin 1995
|
37.0
|
36.1
|
Gorffennaf 1995
|
37.5
|
37.0
|
Awst 1995
|
36.5
|
35.8
|
Medi 1995
|
35.9
|
35.8
|
Hydref 1995
|
36.8
|
35.5
|
Tachwedd 1995
|
36.8
|
35.5
|
Rhagfyr 1995
|
37.5
|
36.0
|
Ionawr 1996
|
37.1
|
34.5
|
Chwefror 1996
|
36.7
|
34.5
|
Mawrth 1996
|
37.9
|
35.4
|
Ebrill 1996
|
37.3
|
35.3
|
Mai 1996
|
38.0
|
36.6
|
Mehefin 1996
|
38.2
|
36.4
|
Gorffennaf 1996
|
38.0
|
36.4
|
Awst 1996
|
38.5
|
36.9
|
Medi 1996
|
38.0
|
36.7
|
Hydref 1996
|
37.8
|
36.2
|
Tachwedd 1996
|
37.9
|
36.4
|
Rhagfyr 1996
|
37.5
|
36.3
|
Ionawr 1997
|
37.2
|
36.1
|
Chwefror 1997
|
37.8
|
36.2
|
Mawrth 1997
|
38.0
|
36.3
|
Ebrill 1997
|
38.7
|
37.4
|
Mai 1997
|
38.8
|
37.5
|
Mehefin 1997
|
39.0
|
38.0
|
Gorffennaf 1997
|
39.6
|
38.9
|
Awst 1997
|
38.8
|
38.2
|
Medi 1997
|
38.1
|
37.3
|
Hydref 1997
|
38.5
|
37.5
|
Tachwedd 1997
|
38.4
|
37.6
|
Rhagfyr 1997
|
39.0
|
37.8
|
Ionawr 1998
|
39.3
|
37.6
|
Chwefror 1998
|
39.0
|
36.9
|
Mawrth 1998
|
39.8
|
38.1
|
Ebrill 1998
|
39.8
|
38.3
|
Mai 1998
|
39.5
|
38.5
|
Mehefin 1998
|
40.5
|
39.1
|
Gorffennaf 1998
|
40.3
|
39.0
|
Awst 1998
|
41.0
|
39.6
|
Medi 1998
|
40.8
|
39.6
|
Hydref 1998
|
40.4
|
38.7
|
Tachwedd 1998
|
40.4
|
38.7
|
Rhagfyr 1998
|
40.7
|
39.1
|
Ionawr 1999
|
40.8
|
38.6
|
Chwefror 1999
|
39.0
|
37.4
|
Mawrth 1999
|
40.8
|
38.6
|
Ebrill 1999
|
40.4
|
39.2
|
Mai 1999
|
41.0
|
39.2
|
Mehefin 1999
|
42.0
|
40.6
|
Gorffennaf 1999
|
42.1
|
40.6
|
Awst 1999
|
41.8
|
40.6
|
Medi 1999
|
41.7
|
40.7
|
Hydref 1999
|
43.2
|
41.7
|
Tachwedd 1999
|
42.6
|
41.5
|
Rhagfyr 1999
|
42.9
|
41.1
|
Ionawr 2000
|
41.9
|
40.5
|
Chwefror 2000
|
42.7
|
40.6
|
Mawrth 2000
|
43.3
|
41.4
|
Ebrill 2000
|
43.6
|
42.1
|
Mai 2000
|
43.9
|
42.4
|
Mehefin 2000
|
42.9
|
41.7
|
Gorffennaf 2000
|
44.6
|
42.9
|
Awst 2000
|
45.3
|
43.1
|
Medi 2000
|
43.7
|
42.0
|
Hydref 2000
|
44.2
|
42.0
|
Tachwedd 2000
|
44.0
|
41.6
|
Rhagfyr 2000
|
45.0
|
42.8
|
Ionawr 2001
|
45.7
|
42.2
|
Chwefror 2001
|
45.3
|
41.5
|
Mawrth 2001
|
44.8
|
42.0
|
Ebrill 2001
|
46.9
|
43.8
|
Mai 2001
|
46.7
|
44.5
|
Mehefin 2001
|
47.2
|
44.3
|
Gorffennaf 2001
|
48.2
|
45.2
|
Awst 2001
|
50.1
|
47.0
|
Medi 2001
|
49.1
|
45.5
|
Hydref 2001
|
49.6
|
45.9
|
Tachwedd 2001
|
49.7
|
46.4
|
Rhagfyr 2001
|
51.3
|
47.3
|
Ionawr 2002
|
50.9
|
46.3
|
Chwefror 2002
|
51.7
|
46.4
|
Mawrth 2002
|
51.7
|
47.8
|
Ebrill 2002
|
53.2
|
49.2
|
Mai 2002
|
54.1
|
51.0
|
Mehefin 2002
|
55.6
|
51.6
|
Gorffennaf 2002
|
56.9
|
53.7
|
Awst 2002
|
58.0
|
55.2
|
Medi 2002
|
57.6
|
54.7
|
Hydref 2002
|
59.1
|
56.0
|
Tachwedd 2002
|
60.7
|
58.2
|
Rhagfyr 2002
|
61.6
|
59.0
|
Ionawr 2003
|
59.9
|
57.4
|
Chwefror 2003
|
61.5
|
58.0
|
Mawrth 2003
|
64.7
|
61.0
|
Ebrill 2003
|
67.5
|
64.2
|
Mai 2003
|
67.8
|
65.5
|
Mehefin 2003
|
69.6
|
67.0
|
Gorffennaf 2003
|
73.0
|
70.4
|
Awst 2003
|
73.6
|
71.8
|
Medi 2003
|
73.4
|
72.2
|
Hydref 2003
|
76.2
|
74.4
|
Tachwedd 2003
|
76.9
|
75.5
|
Rhagfyr 2003
|
76.9
|
76.4
|
Ionawr 2004
|
79.6
|
77.4
|
Chwefror 2004
|
77.8
|
75.3
|
Mawrth 2004
|
81.0
|
79.2
|
Ebrill 2004
|
83.6
|
85.0
|
Mai 2004
|
86.8
|
87.2
|
Mehefin 2004
|
91.5
|
90.7
|
Gorffennaf 2004
|
90.7
|
94.3
|
Awst 2004
|
92.9
|
95.6
|
Medi 2004
|
93.0
|
94.4
|
Hydref 2004
|
94.9
|
95.8
|
Tachwedd 2004
|
93.0
|
93.5
|
Rhagfyr 2004
|
97.3
|
96.8
|
Ionawr 2005
|
96.6
|
94.9
|
Chwefror 2005
|
97.2
|
93.9
|
Mawrth 2005
|
97.7
|
95.9
|
Ebrill 2005
|
101.3
|
98.3
|
Mai 2005
|
101.6
|
99.6
|
Mehefin 2005
|
101.3
|
101.2
|
Gorffennaf 2005
|
104.1
|
103.5
|
Awst 2005
|
105.5
|
105.0
|
Medi 2005
|
103.9
|
103.4
|
Hydref 2005
|
104.8
|
103.7
|
Tachwedd 2005
|
106.4
|
105.0
|
Rhagfyr 2005
|
106.1
|
104.9
|
Ionawr 2006
|
106.5
|
104.8
|
Chwefror 2006
|
106.2
|
103.0
|
Mawrth 2006
|
107.4
|
105.4
|
Ebrill 2006
|
109.2
|
107.5
|
Mai 2006
|
108.8
|
108.1
|
Mehefin 2006
|
110.6
|
110.1
|
Gorffennaf 2006
|
109.8
|
111.3
|
Awst 2006
|
108.7
|
111.1
|
Medi 2006
|
110.9
|
112.5
|
Hydref 2006
|
111.4
|
112.6
|
Tachwedd 2006
|
109.4
|
111.8
|
Rhagfyr 2006
|
112.8
|
114.5
|
Ionawr 2007
|
111.7
|
113.2
|
Chwefror 2007
|
110.8
|
112.0
|
Mawrth 2007
|
110.8
|
112.9
|
Ebrill 2007
|
112.2
|
115.5
|
Mai 2007
|
114.4
|
115.9
|
Mehefin 2007
|
114.7
|
117.7
|
Gorffennaf 2007
|
117.9
|
119.1
|
Awst 2007
|
114.0
|
118.6
|
Medi 2007
|
115.5
|
118.3
|
Hydref 2007
|
115.7
|
117.9
|
Tachwedd 2007
|
115.6
|
118.7
|
Rhagfyr 2007
|
116.0
|
118.4
|
Ionawr 2008
|
113.9
|
115.7
|
Chwefror 2008
|
116.6
|
115.0
|
Mawrth 2008
|
114.1
|
113.9
|
Ebrill 2008
|
116.3
|
115.9
|
Mai 2008
|
116.7
|
116.9
|
Mehefin 2008
|
115.0
|
115.6
|
Gorffennaf 2008
|
111.6
|
113.0
|
Awst 2008
|
109.7
|
112.6
|
Medi 2008
|
107.1
|
108.4
|
Hydref 2008
|
104.8
|
106.3
|
Tachwedd 2008
|
105.6
|
105.7
|
Rhagfyr 2008
|
100.0
|
102.9
|
Ionawr 2009
|
100.6
|
101.3
|
Chwefror 2009
|
99.8
|
100.0
|
Mawrth 2009
|
100.5
|
99.8
|
Ebrill 2009
|
100.5
|
100.9
|
Mai 2009
|
100.2
|
102.2
|
Mehefin 2009
|
100.8
|
103.4
|
Gorffennaf 2009
|
100.2
|
103.6
|
Awst 2009
|
100.7
|
105.2
|
Medi 2009
|
102.8
|
105.9
|
Hydref 2009
|
101.4
|
105.5
|
Tachwedd 2009
|
101.8
|
106.4
|
Rhagfyr 2009
|
102.4
|
107.4
|
Ionawr 2010
|
95.5
|
103.3
|
Chwefror 2010
|
100.3
|
104.6
|
Mawrth 2010
|
102.0
|
105.5
|
Ebrill 2010
|
99.7
|
106.1
|
Mai 2010
|
99.0
|
105.6
|
Mehefin 2010
|
100.4
|
106.2
|
Gorffennaf 2010
|
98.1
|
106.2
|
Awst 2010
|
101.7
|
108.5
|
Medi 2010
|
100.4
|
104.8
|
Hydref 2010
|
102.6
|
107.0
|
Tachwedd 2010
|
98.8
|
103.2
|
Rhagfyr 2010
|
100.6
|
102.4
|
Ionawr 2011
|
98.6
|
100.1
|
Chwefror 2011
|
97.9
|
99.9
|
Mawrth 2011
|
99.0
|
98.7
|
Ebrill 2011
|
101.4
|
102.0
|
Mai 2011
|
102.2
|
102.4
|
Mehefin 2011
|
100.2
|
102.4
|
Gorffennaf 2011
|
99.6
|
100.5
|
Awst 2011
|
97.4
|
100.2
|
Medi 2011
|
97.6
|
100.4
|
Hydref 2011
|
97.7
|
99.4
|
Tachwedd 2011
|
99.2
|
100.0
|
Rhagfyr 2011
|
97.6
|
98.5
|
Ionawr 2012
|
94.7
|
96.7
|
Chwefror 2012
|
95.2
|
97.4
|
Mawrth 2012
|
99.0
|
99.6
|
Ebrill 2012
|
97.6
|
99.2
|
Mai 2012
|
97.3
|
98.8
|
Mehefin 2012
|
97.6
|
100.6
|
Gorffennaf 2012
|
95.8
|
100.6
|
Awst 2012
|
98.3
|
102.7
|
Medi 2012
|
98.1
|
101.3
|
Hydref 2012
|
99.2
|
99.8
|
Tachwedd 2012
|
99.4
|
99.7
|
Rhagfyr 2012
|
98.0
|
98.0
|
Ionawr 2013
|
94.7
|
97.2
|
Chwefror 2013
|
93.7
|
95.9
|
Mawrth 2013
|
98.7
|
98.2
|
Ebrill 2013
|
97.4
|
98.6
|
Mai 2013
|
97.8
|
99.0
|
Mehefin 2013
|
97.4
|
98.9
|
Gorffennaf 2013
|
98.5
|
101.6
|
Awst 2013
|
99.7
|
103.0
|
Medi 2013
|
101.2
|
101.8
|
Hydref 2013
|
95.7
|
96.4
|
Tachwedd 2013
|
98.7
|
99.5
|
Rhagfyr 2013
|
99.9
|
99.2
|
Ionawr 2014
|
97.0
|
97.9
|
Chwefror 2014
|
98.2
|
98.0
|
Mawrth 2014
|
99.2
|
99.3
|
Ebrill 2014
|
101.0
|
101.0
|
Mai 2014
|
102.2
|
101.1
|
Mehefin 2014
|
103.2
|
103.5
|
Gorffennaf 2014
|
102.2
|
103.7
|
Awst 2014
|
101.4
|
103.8
|
Medi 2014
|
100.5
|
102.9
|
Hydref 2014
|
99.8
|
101.4
|
Tachwedd 2014
|
99.9
|
101.6
|
Rhagfyr 2014
|
101.2
|
101.4
|
Ionawr 2015
|
100.0
|
100.0
|
Chwefror 2015
|
101.9
|
101.1
|
Mawrth 2015
|
101.8
|
100.2
|
Ebrill 2015
|
104.3
|
103.7
|
Mai 2015
|
102.6
|
103.0
|
Mehefin 2015
|
102.9
|
104.8
|
Gorffennaf 2015
|
103.4
|
104.8
|
Awst 2015
|
103.6
|
105.7
|
Medi 2015
|
103.6
|
105.4
|
Hydref 2015
|
103.2
|
103.8
|
Tachwedd 2015
|
103.9
|
105.1
|
Rhagfyr 2015
|
106.9
|
105.4
|
Ionawr 2016
|
103.2
|
103.4
|
Chwefror 2016
|
101.8
|
103.5
|
Mawrth 2016
|
101.2
|
105.2
|
Ebrill 2016
|
107.9
|
104.2
|
Mai 2016
|
111.0
|
106.0
|
Mehefin 2016
|
109.5
|
108.2
|
Gorffennaf 2016
|
109.6
|
109.0
|
Awst 2016
|
107.6
|
107.6
|
Medi 2016
|
107.0
|
106.5
|
Hydref 2016
|
108.6
|
105.8
|
Tachwedd 2016
|
109.4
|
106.4
|
Rhagfyr 2016
|
110.6
|
107.6
|
Ionawr 2017
|
109.0
|
103.7
|
Chwefror 2017
|
109.9
|
105.5
|
Mawrth 2017
|
108.8
|
103.6
|
Ebrill 2017
|
109.7
|
106.3
|
Mai 2017
|
112.0
|
108.1
|
Mehefin 2017
|
110.9
|
109.1
|
Gorffennaf 2017
|
111.9
|
109.0
|
Awst 2017
|
111.5
|
110.6
|
Medi 2017
|
111.7
|
108.6
|
Hydref 2017
|
112.9
|
109.4
|
Tachwedd 2017
|
110.1
|
108.3
|
Rhagfyr 2017
|
113.8
|
110.8
|
Ionawr 2018
|
111.0
|
105.5
|
Chwefror 2018
|
116.2
|
107.0
|
Mawrth 2018
|
109.6
|
105.6
|
Ebrill 2018
|
114.6
|
109.1
|
Mai 2018
|
112.8
|
109.8
|
Mehefin 2018
|
112.4
|
109.1
|
Gorffennaf 2018
|
115.6
|
111.8
|
Awst 2018
|
115.6
|
110.9
|
Medi 2018
|
114.4
|
111.0
|
Hydref 2018
|
116.8
|
111.2
|
Tachwedd 2018
|
111.5
|
110.1
|
Rhagfyr 2018
|
113.2
|
109.6
|
Ionawr 2019
|
112.1
|
106.6
|
Chwefror 2019
|
114.2
|
105.4
|
Mawrth 2019
|
111.8
|
105.9
|
Ebrill 2019
|
115.7
|
109.4
|
Mai 2019
|
114.4
|
109.6
|
Mehefin 2019
|
112.7
|
110.5
|
Gorffennaf 2019
|
117.7
|
110.1
|
Awst 2019
|
115.5
|
112.0
|
Medi 2019
|
117.1
|
112.2
|
Hydref 2019
|
115.8
|
109.9
|
Tachwedd 2019
|
111.4
|
110.7
|
Rhagfyr 2019
|
111.7
|
110.4
|
Ionawr 2020
|
116.9
|
107.8
|
Chwefror 2020
|
112.2
|
108.2
|
Mawrth 2020
|
115.8
|
109.0
|