Cysylltau cyflym:
yn ôl math o eiddo
yn ôl statws y prynwr
yn ôl statws cyllido
yn ôl statws yr eiddo
Ystadegau Prisiau Tai
Math o eiddo
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol ar gyfer pob math o eiddo neu ganolbwyntio ar un penodol.
Dyddiad
|
Pob math o eiddo
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ionawr 2000
|
51177.0
|
37071.0
|
38417.0
|
Chwefror 2000
|
50975.0
|
37005.0
|
38967.0
|
Mawrth 2000
|
52419.0
|
38158.0
|
39913.0
|
Ebrill 2000
|
53612.0
|
39031.0
|
41443.0
|
Mai 2000
|
53590.0
|
38815.0
|
41651.0
|
Mehefin 2000
|
53453.0
|
38702.0
|
41806.0
|
Gorffennaf 2000
|
54299.0
|
38980.0
|
41463.0
|
Awst 2000
|
55001.0
|
39314.0
|
43126.0
|
Medi 2000
|
54916.0
|
39402.0
|
43043.0
|
Hydref 2000
|
55245.0
|
39164.0
|
42999.0
|
Tachwedd 2000
|
55433.0
|
39409.0
|
43576.0
|
Rhagfyr 2000
|
56079.0
|
40133.0
|
45212.0
|
Ionawr 2001
|
55927.0
|
39851.0
|
43875.0
|
Chwefror 2001
|
55380.0
|
39409.0
|
44034.0
|
Mawrth 2001
|
55698.0
|
39703.0
|
44271.0
|
Ebrill 2001
|
57500.0
|
41141.0
|
45538.0
|
Mai 2001
|
57694.0
|
41399.0
|
45965.0
|
Mehefin 2001
|
59276.0
|
42649.0
|
47397.0
|
Gorffennaf 2001
|
60084.0
|
42853.0
|
47442.0
|
Awst 2001
|
60726.0
|
43338.0
|
48777.0
|
Medi 2001
|
61271.0
|
43694.0
|
49407.0
|
Hydref 2001
|
61151.0
|
43412.0
|
48766.0
|
Tachwedd 2001
|
61510.0
|
43538.0
|
49524.0
|
Rhagfyr 2001
|
62331.0
|
44057.0
|
51598.0
|
Ionawr 2002
|
61872.0
|
43592.0
|
49755.0
|
Chwefror 2002
|
61566.0
|
43688.0
|
50169.0
|
Mawrth 2002
|
63660.0
|
45141.0
|
52202.0
|
Ebrill 2002
|
64596.0
|
45810.0
|
53467.0
|
Mai 2002
|
67351.0
|
47918.0
|
54861.0
|
Mehefin 2002
|
68494.0
|
48627.0
|
56787.0
|
Gorffennaf 2002
|
70780.0
|
50190.0
|
57612.0
|
Awst 2002
|
71765.0
|
50755.0
|
59014.0
|
Medi 2002
|
71768.0
|
50567.0
|
58868.0
|
Hydref 2002
|
72562.0
|
51002.0
|
59421.0
|
Tachwedd 2002
|
74763.0
|
52722.0
|
61673.0
|
Rhagfyr 2002
|
75567.0
|
53323.0
|
62625.0
|
Ionawr 2003
|
76069.0
|
53775.0
|
62005.0
|
Chwefror 2003
|
75939.0
|
53382.0
|
62717.0
|
Mawrth 2003
|
76959.0
|
54333.0
|
63332.0
|
Ebrill 2003
|
80698.0
|
57015.0
|
65532.0
|
Mai 2003
|
82862.0
|
58680.0
|
67443.0
|
Mehefin 2003
|
84244.0
|
60031.0
|
69926.0
|
Gorffennaf 2003
|
87160.0
|
62112.0
|
71219.0
|
Awst 2003
|
89471.0
|
63924.0
|
73187.0
|
Medi 2003
|
89616.0
|
63990.0
|
73175.0
|
Hydref 2003
|
91689.0
|
65783.0
|
74747.0
|
Tachwedd 2003
|
93428.0
|
66946.0
|
76421.0
|
Rhagfyr 2003
|
96223.0
|
69654.0
|
80601.0
|
Ionawr 2004
|
95632.0
|
68950.0
|
78429.0
|
Chwefror 2004
|
96905.0
|
70222.0
|
78839.0
|
Mawrth 2004
|
98505.0
|
71762.0
|
81133.0
|
Ebrill 2004
|
104383.0
|
77002.0
|
84217.0
|
Mai 2004
|
108067.0
|
80134.0
|
87859.0
|
Mehefin 2004
|
111344.0
|
82341.0
|
91858.0
|
Gorffennaf 2004
|
115878.0
|
86074.0
|
93163.0
|
Awst 2004
|
117150.0
|
87024.0
|
94520.0
|
Medi 2004
|
117771.0
|
87430.0
|
96041.0
|
Hydref 2004
|
118500.0
|
87864.0
|
96486.0
|
Tachwedd 2004
|
119980.0
|
89430.0
|
97638.0
|
Rhagfyr 2004
|
120191.0
|
89958.0
|
99155.0
|
Ionawr 2005
|
118939.0
|
88736.0
|
95760.0
|
Chwefror 2005
|
117630.0
|
87403.0
|
95933.0
|
Mawrth 2005
|
120919.0
|
90214.0
|
99637.0
|
Ebrill 2005
|
123118.0
|
92441.0
|
99811.0
|
Mai 2005
|
125769.0
|
94491.0
|
103024.0
|
Mehefin 2005
|
127557.0
|
96910.0
|
104260.0
|
Gorffennaf 2005
|
128994.0
|
97532.0
|
104147.0
|
Awst 2005
|
130263.0
|
98729.0
|
105903.0
|
Medi 2005
|
130291.0
|
99777.0
|
104997.0
|
Hydref 2005
|
129915.0
|
98951.0
|
105859.0
|
Tachwedd 2005
|
130312.0
|
99439.0
|
105588.0
|
Rhagfyr 2005
|
132554.0
|
101934.0
|
109178.0
|
Ionawr 2006
|
130144.0
|
99533.0
|
105699.0
|
Chwefror 2006
|
131609.0
|
100956.0
|
108411.0
|
Mawrth 2006
|
131139.0
|
100413.0
|
106357.0
|
Ebrill 2006
|
135797.0
|
104597.0
|
109424.0
|
Mai 2006
|
136328.0
|
104828.0
|
110640.0
|
Mehefin 2006
|
138412.0
|
107088.0
|
111658.0
|
Gorffennaf 2006
|
139630.0
|
108365.0
|
111207.0
|
Awst 2006
|
140071.0
|
108398.0
|
111282.0
|
Medi 2006
|
141339.0
|
109362.0
|
113575.0
|
Hydref 2006
|
141121.0
|
109504.0
|
112703.0
|
Tachwedd 2006
|
142273.0
|
110443.0
|
113354.0
|
Rhagfyr 2006
|
143832.0
|
112682.0
|
115614.0
|
Ionawr 2007
|
142760.0
|
110934.0
|
113159.0
|
Chwefror 2007
|
143625.0
|
111162.0
|
116751.0
|
Mawrth 2007
|
143912.0
|
112369.0
|
113492.0
|
Ebrill 2007
|
146541.0
|
114693.0
|
116578.0
|
Mai 2007
|
147774.0
|
115497.0
|
118744.0
|
Mehefin 2007
|
149942.0
|
117820.0
|
119498.0
|
Gorffennaf 2007
|
150382.0
|
117682.0
|
119671.0
|
Awst 2007
|
151511.0
|
119074.0
|
119021.0
|
Medi 2007
|
151088.0
|
118329.0
|
119886.0
|
Hydref 2007
|
151346.0
|
118227.0
|
120085.0
|
Tachwedd 2007
|
150751.0
|
117824.0
|
119349.0
|
Rhagfyr 2007
|
152427.0
|
119698.0
|
121805.0
|
Ionawr 2008
|
148289.0
|
115283.0
|
118504.0
|
Chwefror 2008
|
146830.0
|
114390.0
|
116718.0
|
Mawrth 2008
|
144962.0
|
113116.0
|
113659.0
|
Ebrill 2008
|
147411.0
|
115632.0
|
115600.0
|
Mai 2008
|
146681.0
|
114887.0
|
115024.0
|
Mehefin 2008
|
146137.0
|
114541.0
|
114982.0
|
Gorffennaf 2008
|
143839.0
|
112230.0
|
112699.0
|
Awst 2008
|
142260.0
|
111082.0
|
111825.0
|
Medi 2008
|
137890.0
|
107204.0
|
108435.0
|
Hydref 2008
|
136469.0
|
105999.0
|
107441.0
|
Tachwedd 2008
|
132872.0
|
103213.0
|
104878.0
|
Rhagfyr 2008
|
131533.0
|
103438.0
|
101955.0
|
Ionawr 2009
|
127472.0
|
98594.0
|
100791.0
|
Chwefror 2009
|
126938.0
|
98246.0
|
101159.0
|
Mawrth 2009
|
124654.0
|
96191.0
|
99867.0
|
Ebrill 2009
|
127765.0
|
99362.0
|
100581.0
|
Mai 2009
|
128224.0
|
99833.0
|
100889.0
|
Mehefin 2009
|
128858.0
|
100401.0
|
101090.0
|
Gorffennaf 2009
|
130826.0
|
101928.0
|
100899.0
|
Awst 2009
|
131723.0
|
102315.0
|
101510.0
|
Medi 2009
|
132352.0
|
103200.0
|
102286.0
|
Hydref 2009
|
133220.0
|
103656.0
|
100636.0
|
Tachwedd 2009
|
133662.0
|
104183.0
|
101981.0
|
Rhagfyr 2009
|
135758.0
|
106934.0
|
103757.0
|
Ionawr 2010
|
131060.0
|
101239.0
|
97218.0
|
Chwefror 2010
|
133089.0
|
103204.0
|
99350.0
|
Mawrth 2010
|
131297.0
|
101218.0
|
100283.0
|
Ebrill 2010
|
134160.0
|
104037.0
|
101156.0
|
Mai 2010
|
134292.0
|
104222.0
|
101373.0
|
Mehefin 2010
|
134718.0
|
105155.0
|
101157.0
|
Gorffennaf 2010
|
133975.0
|
103919.0
|
99112.0
|
Awst 2010
|
135743.0
|
104610.0
|
100935.0
|
Medi 2010
|
134331.0
|
104012.0
|
100077.0
|
Hydref 2010
|
133166.0
|
102646.0
|
99616.0
|
Tachwedd 2010
|
131198.0
|
100541.0
|
98534.0
|
Rhagfyr 2010
|
131347.0
|
101726.0
|
98130.0
|
Ionawr 2011
|
129892.0
|
99261.0
|
97453.0
|
Chwefror 2011
|
128951.0
|
99384.0
|
97328.0
|
Mawrth 2011
|
127767.0
|
97982.0
|
95300.0
|
Ebrill 2011
|
129500.0
|
100005.0
|
96910.0
|
Mai 2011
|
128753.0
|
98888.0
|
98862.0
|
Mehefin 2011
|
128484.0
|
99019.0
|
97055.0
|
Gorffennaf 2011
|
130275.0
|
100048.0
|
98743.0
|
Awst 2011
|
131341.0
|
100959.0
|
97421.0
|
Medi 2011
|
130472.0
|
100552.0
|
97033.0
|
Hydref 2011
|
129674.0
|
99445.0
|
95228.0
|
Tachwedd 2011
|
127346.0
|
97268.0
|
96120.0
|
Rhagfyr 2011
|
128039.0
|
98478.0
|
96019.0
|
Ionawr 2012
|
125780.0
|
96503.0
|
93179.0
|
Chwefror 2012
|
127311.0
|
98314.0
|
94661.0
|
Mawrth 2012
|
127820.0
|
99214.0
|
95754.0
|
Ebrill 2012
|
128284.0
|
98483.0
|
96356.0
|
Mai 2012
|
127459.0
|
97855.0
|
95278.0
|
Mehefin 2012
|
129810.0
|
101272.0
|
96679.0
|
Gorffennaf 2012
|
129030.0
|
99375.0
|
96265.0
|
Awst 2012
|
130137.0
|
101270.0
|
95930.0
|
Medi 2012
|
129970.0
|
100541.0
|
96523.0
|
Hydref 2012
|
126997.0
|
97881.0
|
94574.0
|
Tachwedd 2012
|
128922.0
|
99659.0
|
94671.0
|
Rhagfyr 2012
|
127862.0
|
98918.0
|
94359.0
|
Ionawr 2013
|
124578.0
|
95076.0
|
91840.0
|
Chwefror 2013
|
127100.0
|
98103.0
|
93298.0
|
Mawrth 2013
|
126970.0
|
97595.0
|
93368.0
|
Ebrill 2013
|
127515.0
|
98245.0
|
93618.0
|
Mai 2013
|
128085.0
|
98825.0
|
95180.0
|
Mehefin 2013
|
129600.0
|
100717.0
|
95287.0
|
Gorffennaf 2013
|
129713.0
|
99968.0
|
95863.0
|
Awst 2013
|
131532.0
|
101651.0
|
96618.0
|
Medi 2013
|
131408.0
|
101166.0
|
96999.0
|
Hydref 2013
|
129085.0
|
98466.0
|
95456.0
|
Tachwedd 2013
|
130047.0
|
99900.0
|
95355.0
|
Rhagfyr 2013
|
131350.0
|
101274.0
|
97175.0
|
Ionawr 2014
|
129790.0
|
99807.0
|
95731.0
|
Chwefror 2014
|
131370.0
|
100955.0
|
96895.0
|
Mawrth 2014
|
130061.0
|
100056.0
|
96152.0
|
Ebrill 2014
|
133616.0
|
102863.0
|
98894.0
|
Mai 2014
|
134136.0
|
103656.0
|
98986.0
|
Mehefin 2014
|
135870.0
|
105066.0
|
100477.0
|
Gorffennaf 2014
|
136629.0
|
105749.0
|
100310.0
|
Awst 2014
|
138230.0
|
106939.0
|
101035.0
|
Medi 2014
|
138050.0
|
106727.0
|
101948.0
|
Hydref 2014
|
137383.0
|
105833.0
|
101646.0
|
Tachwedd 2014
|
136864.0
|
105227.0
|
100768.0
|
Rhagfyr 2014
|
136688.0
|
105245.0
|
101139.0
|
Ionawr 2015
|
136041.0
|
104387.0
|
101187.0
|
Chwefror 2015
|
137141.0
|
105403.0
|
102330.0
|
Mawrth 2015
|
135261.0
|
103443.0
|
100731.0
|
Ebrill 2015
|
137256.0
|
105385.0
|
101330.0
|
Mai 2015
|
139668.0
|
107591.0
|
103783.0
|
Mehefin 2015
|
139138.0
|
107507.0
|
101549.0
|
Gorffennaf 2015
|
141510.0
|
109020.0
|
104684.0
|
Awst 2015
|
142463.0
|
109313.0
|
105514.0
|
Medi 2015
|
142769.0
|
109534.0
|
105988.0
|
Hydref 2015
|
142082.0
|
108762.0
|
104581.0
|
Tachwedd 2015
|
142829.0
|
109641.0
|
105309.0
|
Rhagfyr 2015
|
142866.0
|
109627.0
|
105205.0
|
Ionawr 2016
|
143139.0
|
109363.0
|
105732.0
|
Chwefror 2016
|
143009.0
|
109589.0
|
105541.0
|
Mawrth 2016
|
141447.0
|
107951.0
|
105517.0
|
Ebrill 2016
|
146681.0
|
112687.0
|
108711.0
|
Mai 2016
|
147753.0
|
113560.0
|
110876.0
|
Mehefin 2016
|
148176.0
|
113958.0
|
109867.0
|
Gorffennaf 2016
|
150341.0
|
115822.0
|
111664.0
|
Awst 2016
|
150174.0
|
115291.0
|
112214.0
|
Medi 2016
|
150038.0
|
114895.0
|
111773.0
|
Hydref 2016
|
148332.0
|
112524.0
|
111361.0
|
Tachwedd 2016
|
149723.0
|
113850.0
|
113084.0
|
Rhagfyr 2016
|
149560.0
|
114227.0
|
112852.0
|
Ionawr 2017
|
149371.0
|
113496.0
|
112719.0
|
Chwefror 2017
|
150960.0
|
115090.0
|
115891.0
|
Mawrth 2017
|
149615.0
|
113400.0
|
113975.0
|
Ebrill 2017
|
152217.0
|
115933.0
|
115321.0
|
Mai 2017
|
153126.0
|
116657.0
|
116850.0
|
Mehefin 2017
|
155061.0
|
118316.0
|
119185.0
|
Gorffennaf 2017
|
156761.0
|
119742.0
|
119820.0
|
Awst 2017
|
158252.0
|
121082.0
|
121180.0
|
Medi 2017
|
157751.0
|
120488.0
|
120009.0
|
Hydref 2017
|
157301.0
|
119624.0
|
119247.0
|
Tachwedd 2017
|
157804.0
|
119918.0
|
120606.0
|
Rhagfyr 2017
|
158863.0
|
121448.0
|
120213.0
|
Ionawr 2018
|
155596.0
|
117916.0
|
118109.0
|
Chwefror 2018
|
157519.0
|
119941.0
|
119520.0
|
Mawrth 2018
|
155625.0
|
118691.0
|
116010.0
|
Ebrill 2018
|
157768.0
|
120693.0
|
117652.0
|
Mai 2018
|
158823.0
|
121797.0
|
118870.0
|
Mehefin 2018
|
160314.0
|
122561.0
|
120297.0
|
Gorffennaf 2018
|
162345.0
|
124004.0
|
120844.0
|
Awst 2018
|
163092.0
|
124776.0
|
121665.0
|
Medi 2018
|
163068.0
|
124199.0
|
122147.0
|
Hydref 2018
|
163838.0
|
124775.0
|
122712.0
|
Tachwedd 2018
|
163186.0
|
124313.0
|
121523.0
|
Rhagfyr 2018
|
162769.0
|
124188.0
|
122001.0
|
Ionawr 2019
|
161409.0
|
122193.0
|
121056.0
|
Chwefror 2019
|
162066.0
|
123382.0
|
121380.0
|
Mawrth 2019
|
160670.0
|
121750.0
|
119495.0
|
Ebrill 2019
|
162254.0
|
123919.0
|
119944.0
|
Mai 2019
|
163986.0
|
125585.0
|
120940.0
|
Mehefin 2019
|
163809.0
|
125292.0
|
121830.0
|
Gorffennaf 2019
|
166118.0
|
126992.0
|
124139.0
|
Awst 2019
|
167693.0
|
128923.0
|
123246.0
|
Medi 2019
|
167011.0
|
128105.0
|
124186.0
|
Hydref 2019
|
166780.0
|
127326.0
|
123725.0
|
Tachwedd 2019
|
166081.0
|
126924.0
|
121331.0
|
Rhagfyr 2019
|
165148.0
|
126759.0
|
120349.0
|
Ionawr 2020
|
164563.0
|
125465.0
|
120472.0
|
Chwefror 2020
|
164760.0
|
126660.0
|
119951.0
|
Mawrth 2020
|
166588.0
|
127410.0
|
122638.0
|
Ebrill 2020
|
163904.0
|
125363.0
|
117375.0
|
Mai 2020
|
164258.0
|
125133.0
|
119672.0
|
Mehefin 2020
|
168769.0
|
130042.0
|
122339.0
|
Gorffennaf 2020
|
171303.0
|
131360.0
|
125694.0
|
Awst 2020
|
173316.0
|
132496.0
|
125843.0
|
Medi 2020
|
174352.0
|
133670.0
|
126054.0
|
Hydref 2020
|
177827.0
|
136590.0
|
127838.0
|
Tachwedd 2020
|
178595.0
|
137795.0
|
128908.0
|
Rhagfyr 2020
|
181696.0
|
140189.0
|
131265.0
|
Ionawr 2021
|
183245.0
|
141793.0
|
137461.0
|
Chwefror 2021
|
186048.0
|
144899.0
|
139261.0
|
Mawrth 2021
|
189119.0
|
147389.0
|
143805.0
|
Ebrill 2021
|
185460.0
|
144422.0
|
138011.0
|
Mai 2021
|
185897.0
|
144971.0
|
137417.0
|
Mehefin 2021
|
201302.0
|
159267.0
|
150763.0
|
Gorffennaf 2021
|
184663.0
|
143804.0
|
136188.0
|
Awst 2021
|
191778.0
|
149715.0
|
138279.0
|
Medi 2021
|
201233.0
|
158740.0
|
147343.0
|
Hydref 2021
|
190370.0
|
146765.0
|
137837.0
|
Tachwedd 2021
|
196340.0
|
151903.0
|
143238.0
|
Rhagfyr 2021
|
199414.0
|
156157.0
|
144900.0
|
Ionawr 2022
|
200830.0
|
156148.0
|
145364.0
|
Chwefror 2022
|
200956.0
|
156456.0
|
145700.0
|
Mawrth 2022
|
202087.0
|
157175.0
|
145252.0
|
Ebrill 2022
|
205257.0
|
160434.0
|
148349.0
|
Mai 2022
|
207095.0
|
161916.0
|
147905.0
|
Mehefin 2022
|
208819.0
|
163540.0
|
149077.0
|
Gorffennaf 2022
|
214543.0
|
168417.0
|
151692.0
|
Awst 2022
|
215891.0
|
169375.0
|
151359.0
|
Medi 2022
|
218279.0
|
171468.0
|
154979.0
|
Hydref 2022
|
217427.0
|
170031.0
|
151838.0
|
Tachwedd 2022
|
218115.0
|
171007.0
|
152421.0
|
Rhagfyr 2022
|
216336.0
|
169618.0
|
152020.0
|
Ionawr 2023
|
212663.0
|
165678.0
|
150002.0
|
Chwefror 2023
|
210877.0
|
164233.0
|
148473.0
|
Mawrth 2023
|
208614.0
|
160991.0
|
147312.0
|
Ebrill 2023
|
208776.0
|
161428.0
|
147876.0
|
Mai 2023
|
210648.0
|
163439.0
|
149004.0
|
Mehefin 2023
|
212071.0
|
165607.0
|
149892.0
|
Gorffennaf 2023
|
213724.0
|
166225.0
|
150339.0
|
Awst 2023
|
214387.0
|
167607.0
|
150010.0
|
Medi 2023
|
214684.0
|
167531.0
|
151326.0
|
Hydref 2023
|
214628.0
|
167348.0
|
150470.0
|
Tachwedd 2023
|
214384.0
|
166346.0
|
150179.0
|
Rhagfyr 2023
|
215263.0
|
167824.0
|
150985.0
|
Dyddiad
|
Pob math o eiddo
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ionawr 2000
|
7.5
|
6.9
|
6.2
|
Chwefror 2000
|
7.4
|
7.2
|
8.6
|
Mawrth 2000
|
9.0
|
9.1
|
7.8
|
Ebrill 2000
|
8.5
|
7.0
|
11.0
|
Mai 2000
|
7.2
|
5.5
|
9.7
|
Mehefin 2000
|
6.5
|
5.2
|
9.2
|
Gorffennaf 2000
|
6.7
|
4.2
|
7.4
|
Awst 2000
|
7.1
|
4.3
|
10.8
|
Medi 2000
|
6.6
|
4.2
|
9.4
|
Hydref 2000
|
7.4
|
4.7
|
9.4
|
Tachwedd 2000
|
7.0
|
3.8
|
11.8
|
Rhagfyr 2000
|
7.7
|
5.3
|
12.5
|
Ionawr 2001
|
9.3
|
7.5
|
14.2
|
Chwefror 2001
|
8.6
|
6.5
|
13.0
|
Mawrth 2001
|
6.2
|
4.0
|
10.9
|
Ebrill 2001
|
7.2
|
5.4
|
9.9
|
Mai 2001
|
7.7
|
6.7
|
10.4
|
Mehefin 2001
|
10.9
|
10.2
|
13.4
|
Gorffennaf 2001
|
10.6
|
9.9
|
14.4
|
Awst 2001
|
10.4
|
10.2
|
13.1
|
Medi 2001
|
11.6
|
10.9
|
14.8
|
Hydref 2001
|
10.7
|
10.8
|
13.4
|
Tachwedd 2001
|
11.0
|
10.5
|
13.6
|
Rhagfyr 2001
|
11.2
|
9.8
|
14.1
|
Ionawr 2002
|
10.6
|
9.4
|
13.4
|
Chwefror 2002
|
11.2
|
10.9
|
13.9
|
Mawrth 2002
|
14.3
|
13.7
|
17.9
|
Ebrill 2002
|
12.3
|
11.4
|
17.4
|
Mai 2002
|
16.7
|
15.8
|
19.4
|
Mehefin 2002
|
15.6
|
14.0
|
19.8
|
Gorffennaf 2002
|
17.8
|
17.1
|
21.4
|
Awst 2002
|
18.2
|
17.1
|
21.0
|
Medi 2002
|
17.1
|
15.7
|
19.2
|
Hydref 2002
|
18.7
|
17.5
|
21.8
|
Tachwedd 2002
|
21.6
|
21.1
|
24.5
|
Rhagfyr 2002
|
21.2
|
21.0
|
21.4
|
Ionawr 2003
|
23.0
|
23.4
|
24.6
|
Chwefror 2003
|
23.4
|
22.2
|
25.0
|
Mawrth 2003
|
20.9
|
20.4
|
21.3
|
Ebrill 2003
|
24.9
|
24.5
|
22.6
|
Mai 2003
|
23.0
|
22.5
|
22.9
|
Mehefin 2003
|
23.0
|
23.4
|
23.1
|
Gorffennaf 2003
|
23.1
|
23.8
|
23.6
|
Awst 2003
|
24.7
|
26.0
|
24.0
|
Medi 2003
|
24.9
|
26.6
|
24.3
|
Hydref 2003
|
26.4
|
29.0
|
25.8
|
Tachwedd 2003
|
25.0
|
27.0
|
23.9
|
Rhagfyr 2003
|
27.3
|
30.6
|
28.7
|
Ionawr 2004
|
25.7
|
28.2
|
26.5
|
Chwefror 2004
|
27.6
|
31.6
|
25.7
|
Mawrth 2004
|
28.0
|
32.1
|
28.1
|
Ebrill 2004
|
29.4
|
35.0
|
28.5
|
Mai 2004
|
30.4
|
36.6
|
30.3
|
Mehefin 2004
|
32.2
|
37.2
|
31.4
|
Gorffennaf 2004
|
33.0
|
38.6
|
30.8
|
Awst 2004
|
30.9
|
36.1
|
29.2
|
Medi 2004
|
31.4
|
36.6
|
31.2
|
Hydref 2004
|
29.2
|
33.6
|
29.1
|
Tachwedd 2004
|
28.4
|
33.6
|
27.8
|
Rhagfyr 2004
|
24.9
|
29.2
|
23.0
|
Ionawr 2005
|
24.4
|
28.7
|
22.1
|
Chwefror 2005
|
21.4
|
24.5
|
21.7
|
Mawrth 2005
|
22.8
|
25.7
|
22.8
|
Ebrill 2005
|
18.0
|
20.0
|
18.5
|
Mai 2005
|
16.4
|
17.9
|
17.3
|
Mehefin 2005
|
14.6
|
17.7
|
13.5
|
Gorffennaf 2005
|
11.3
|
13.3
|
11.8
|
Awst 2005
|
11.2
|
13.4
|
12.0
|
Medi 2005
|
10.6
|
14.1
|
9.3
|
Hydref 2005
|
9.6
|
12.6
|
9.7
|
Tachwedd 2005
|
8.6
|
11.2
|
8.1
|
Rhagfyr 2005
|
10.3
|
13.3
|
10.1
|
Ionawr 2006
|
9.4
|
12.2
|
10.4
|
Chwefror 2006
|
11.9
|
15.5
|
13.0
|
Mawrth 2006
|
8.4
|
11.3
|
6.7
|
Ebrill 2006
|
10.3
|
13.2
|
9.6
|
Mai 2006
|
8.4
|
10.9
|
7.4
|
Mehefin 2006
|
8.5
|
10.5
|
7.1
|
Gorffennaf 2006
|
8.2
|
11.1
|
6.8
|
Awst 2006
|
7.5
|
9.8
|
5.1
|
Medi 2006
|
8.5
|
9.6
|
8.2
|
Hydref 2006
|
8.6
|
10.7
|
6.5
|
Tachwedd 2006
|
9.2
|
11.1
|
7.4
|
Rhagfyr 2006
|
8.5
|
10.5
|
5.9
|
Ionawr 2007
|
9.7
|
11.4
|
7.1
|
Chwefror 2007
|
9.1
|
10.1
|
7.7
|
Mawrth 2007
|
9.7
|
11.9
|
6.7
|
Ebrill 2007
|
7.9
|
9.6
|
6.5
|
Mai 2007
|
8.4
|
10.2
|
7.3
|
Mehefin 2007
|
8.3
|
10.0
|
7.0
|
Gorffennaf 2007
|
7.7
|
8.6
|
7.6
|
Awst 2007
|
8.2
|
9.8
|
7.0
|
Medi 2007
|
6.9
|
8.2
|
5.6
|
Hydref 2007
|
7.2
|
8.0
|
6.6
|
Tachwedd 2007
|
6.0
|
6.7
|
5.3
|
Rhagfyr 2007
|
6.0
|
6.2
|
5.4
|
Ionawr 2008
|
3.9
|
3.9
|
4.7
|
Chwefror 2008
|
2.2
|
2.9
|
-0.0
|
Mawrth 2008
|
0.7
|
0.7
|
0.2
|
Ebrill 2008
|
0.6
|
0.8
|
-0.8
|
Mai 2008
|
-0.7
|
-0.5
|
-3.1
|
Mehefin 2008
|
-2.5
|
-2.8
|
-3.8
|
Gorffennaf 2008
|
-4.4
|
-4.6
|
-5.8
|
Awst 2008
|
-6.1
|
-6.7
|
-6.0
|
Medi 2008
|
-8.7
|
-9.4
|
-9.6
|
Hydref 2008
|
-9.8
|
-10.3
|
-10.5
|
Tachwedd 2008
|
-11.9
|
-12.4
|
-12.1
|
Rhagfyr 2008
|
-13.7
|
-13.6
|
-16.3
|
Ionawr 2009
|
-14.0
|
-14.5
|
-15.0
|
Chwefror 2009
|
-13.6
|
-14.1
|
-13.3
|
Mawrth 2009
|
-14.0
|
-15.0
|
-12.1
|
Ebrill 2009
|
-13.3
|
-14.1
|
-13.0
|
Mai 2009
|
-12.6
|
-13.1
|
-12.3
|
Mehefin 2009
|
-11.8
|
-12.4
|
-12.1
|
Gorffennaf 2009
|
-9.0
|
-9.2
|
-10.5
|
Awst 2009
|
-7.4
|
-7.9
|
-9.2
|
Medi 2009
|
-4.0
|
-3.7
|
-5.7
|
Hydref 2009
|
-2.4
|
-2.2
|
-6.3
|
Tachwedd 2009
|
0.6
|
0.9
|
-2.8
|
Rhagfyr 2009
|
3.2
|
3.4
|
1.8
|
Ionawr 2010
|
2.8
|
2.7
|
-3.5
|
Chwefror 2010
|
4.8
|
5.0
|
-1.8
|
Mawrth 2010
|
5.3
|
5.2
|
0.4
|
Ebrill 2010
|
5.0
|
4.7
|
0.6
|
Mai 2010
|
4.7
|
4.4
|
0.5
|
Mehefin 2010
|
4.6
|
4.7
|
0.1
|
Gorffennaf 2010
|
2.4
|
2.0
|
-1.8
|
Awst 2010
|
3.0
|
2.2
|
-0.6
|
Medi 2010
|
1.5
|
0.8
|
-2.2
|
Hydref 2010
|
-0.0
|
-1.0
|
-1.0
|
Tachwedd 2010
|
-1.8
|
-3.5
|
-3.4
|
Rhagfyr 2010
|
-3.2
|
-4.9
|
-5.4
|
Ionawr 2011
|
-0.9
|
-2.0
|
0.2
|
Chwefror 2011
|
-3.1
|
-3.7
|
-2.0
|
Mawrth 2011
|
-2.7
|
-3.2
|
-5.0
|
Ebrill 2011
|
-3.5
|
-3.9
|
-4.2
|
Mai 2011
|
-4.1
|
-5.1
|
-2.5
|
Mehefin 2011
|
-4.6
|
-5.8
|
-4.0
|
Gorffennaf 2011
|
-2.8
|
-3.7
|
-0.4
|
Awst 2011
|
-3.2
|
-3.5
|
-3.5
|
Medi 2011
|
-2.9
|
-3.3
|
-3.0
|
Hydref 2011
|
-2.6
|
-3.1
|
-4.4
|
Tachwedd 2011
|
-2.9
|
-3.3
|
-2.4
|
Rhagfyr 2011
|
-2.5
|
-3.2
|
-2.2
|
Ionawr 2012
|
-3.2
|
-2.8
|
-4.4
|
Chwefror 2012
|
-1.3
|
-1.1
|
-2.7
|
Mawrth 2012
|
0.0
|
1.3
|
0.5
|
Ebrill 2012
|
-0.9
|
-1.5
|
-0.6
|
Mai 2012
|
-1.0
|
-1.0
|
-3.6
|
Mehefin 2012
|
1.0
|
2.3
|
-0.4
|
Gorffennaf 2012
|
-1.0
|
-0.7
|
-2.5
|
Awst 2012
|
-0.9
|
0.3
|
-1.5
|
Medi 2012
|
-0.4
|
-0.0
|
-0.5
|
Hydref 2012
|
-2.1
|
-1.6
|
-0.7
|
Tachwedd 2012
|
1.2
|
2.5
|
-1.5
|
Rhagfyr 2012
|
-0.1
|
0.4
|
-1.7
|
Ionawr 2013
|
-1.0
|
-1.5
|
-1.4
|
Chwefror 2013
|
-0.2
|
-0.2
|
-1.4
|
Mawrth 2013
|
-0.7
|
-1.6
|
-2.5
|
Ebrill 2013
|
-0.6
|
-0.2
|
-2.8
|
Mai 2013
|
0.5
|
1.0
|
-0.1
|
Mehefin 2013
|
-0.2
|
-0.6
|
-1.4
|
Gorffennaf 2013
|
0.5
|
0.6
|
-0.4
|
Awst 2013
|
1.1
|
0.4
|
0.7
|
Medi 2013
|
1.1
|
0.6
|
0.5
|
Hydref 2013
|
1.6
|
0.6
|
0.9
|
Tachwedd 2013
|
0.9
|
0.2
|
0.7
|
Rhagfyr 2013
|
2.7
|
2.4
|
3.0
|
Ionawr 2014
|
4.2
|
5.0
|
4.2
|
Chwefror 2014
|
3.4
|
2.9
|
3.9
|
Mawrth 2014
|
2.4
|
2.5
|
3.0
|
Ebrill 2014
|
4.8
|
4.7
|
5.6
|
Mai 2014
|
4.7
|
4.9
|
4.0
|
Mehefin 2014
|
4.8
|
4.3
|
5.4
|
Gorffennaf 2014
|
5.3
|
5.8
|
4.6
|
Awst 2014
|
5.1
|
5.2
|
4.6
|
Medi 2014
|
5.0
|
5.5
|
5.1
|
Hydref 2014
|
6.4
|
7.5
|
6.5
|
Tachwedd 2014
|
5.2
|
5.3
|
5.7
|
Rhagfyr 2014
|
4.1
|
3.9
|
4.1
|
Ionawr 2015
|
4.8
|
4.6
|
5.7
|
Chwefror 2015
|
4.4
|
4.4
|
5.6
|
Mawrth 2015
|
4.0
|
3.4
|
4.8
|
Ebrill 2015
|
2.7
|
2.4
|
2.5
|
Mai 2015
|
4.1
|
3.8
|
4.8
|
Mehefin 2015
|
2.4
|
2.3
|
1.1
|
Gorffennaf 2015
|
3.6
|
3.1
|
4.4
|
Awst 2015
|
3.1
|
2.2
|
4.4
|
Medi 2015
|
3.4
|
2.6
|
4.0
|
Hydref 2015
|
3.4
|
2.8
|
2.9
|
Tachwedd 2015
|
4.4
|
4.2
|
4.5
|
Rhagfyr 2015
|
4.5
|
4.2
|
4.0
|
Ionawr 2016
|
5.2
|
4.8
|
4.5
|
Chwefror 2016
|
4.3
|
4.0
|
3.1
|
Mawrth 2016
|
4.6
|
4.4
|
4.8
|
Ebrill 2016
|
6.9
|
6.9
|
7.3
|
Mai 2016
|
5.8
|
5.6
|
6.8
|
Mehefin 2016
|
6.5
|
6.0
|
8.2
|
Gorffennaf 2016
|
6.2
|
6.2
|
6.7
|
Awst 2016
|
5.4
|
5.5
|
6.4
|
Medi 2016
|
5.1
|
4.9
|
5.5
|
Hydref 2016
|
4.4
|
3.5
|
6.5
|
Tachwedd 2016
|
4.8
|
3.8
|
7.4
|
Rhagfyr 2016
|
4.7
|
4.2
|
7.3
|
Ionawr 2017
|
4.4
|
3.8
|
6.6
|
Chwefror 2017
|
5.6
|
5.0
|
9.8
|
Mawrth 2017
|
5.8
|
5.0
|
8.0
|
Ebrill 2017
|
3.8
|
2.9
|
6.1
|
Mai 2017
|
3.6
|
2.7
|
5.4
|
Mehefin 2017
|
4.6
|
3.8
|
8.5
|
Gorffennaf 2017
|
4.3
|
3.4
|
7.3
|
Awst 2017
|
5.4
|
5.0
|
8.0
|
Medi 2017
|
5.1
|
4.9
|
7.4
|
Hydref 2017
|
6.0
|
6.3
|
7.1
|
Tachwedd 2017
|
5.4
|
5.3
|
6.6
|
Rhagfyr 2017
|
6.2
|
6.3
|
6.5
|
Ionawr 2018
|
4.2
|
3.9
|
4.8
|
Chwefror 2018
|
4.3
|
4.2
|
3.1
|
Mawrth 2018
|
4.0
|
4.7
|
1.8
|
Ebrill 2018
|
3.6
|
4.1
|
2.0
|
Mai 2018
|
3.7
|
4.4
|
1.7
|
Mehefin 2018
|
3.4
|
3.6
|
0.9
|
Gorffennaf 2018
|
3.6
|
3.6
|
0.8
|
Awst 2018
|
3.1
|
3.0
|
0.4
|
Medi 2018
|
3.4
|
3.1
|
1.8
|
Hydref 2018
|
4.2
|
4.3
|
2.9
|
Tachwedd 2018
|
3.4
|
3.7
|
0.8
|
Rhagfyr 2018
|
2.5
|
2.3
|
1.5
|
Ionawr 2019
|
3.7
|
3.6
|
2.5
|
Chwefror 2019
|
2.9
|
2.9
|
1.6
|
Mawrth 2019
|
3.2
|
2.6
|
3.0
|
Ebrill 2019
|
2.8
|
2.7
|
2.0
|
Mai 2019
|
3.2
|
3.1
|
1.7
|
Mehefin 2019
|
2.2
|
2.2
|
1.3
|
Gorffennaf 2019
|
2.3
|
2.4
|
2.7
|
Awst 2019
|
2.8
|
3.3
|
1.3
|
Medi 2019
|
2.4
|
3.1
|
1.7
|
Hydref 2019
|
1.8
|
2.0
|
0.8
|
Tachwedd 2019
|
1.8
|
2.1
|
-0.2
|
Rhagfyr 2019
|
1.5
|
2.1
|
-1.4
|
Ionawr 2020
|
2.0
|
2.7
|
-0.5
|
Chwefror 2020
|
1.7
|
2.7
|
-1.2
|
Mawrth 2020
|
3.7
|
4.6
|
2.6
|
Ebrill 2020
|
1.0
|
1.2
|
-2.1
|
Mai 2020
|
0.2
|
-0.4
|
-1.0
|
Mehefin 2020
|
3.0
|
3.8
|
0.4
|
Gorffennaf 2020
|
3.1
|
3.4
|
1.2
|
Awst 2020
|
3.4
|
2.8
|
2.1
|
Medi 2020
|
4.4
|
4.3
|
1.5
|
Hydref 2020
|
6.6
|
7.3
|
3.3
|
Tachwedd 2020
|
7.5
|
8.6
|
6.2
|
Rhagfyr 2020
|
10.0
|
10.6
|
9.1
|
Ionawr 2021
|
11.4
|
13.0
|
14.1
|
Chwefror 2021
|
12.9
|
14.4
|
16.1
|
Mawrth 2021
|
13.5
|
15.7
|
17.3
|
Ebrill 2021
|
13.2
|
15.2
|
17.6
|
Mai 2021
|
13.2
|
15.9
|
14.8
|
Mehefin 2021
|
19.3
|
22.5
|
23.2
|
Gorffennaf 2021
|
7.8
|
9.5
|
8.3
|
Awst 2021
|
10.7
|
13.0
|
9.9
|
Medi 2021
|
15.4
|
18.8
|
16.9
|
Hydref 2021
|
7.1
|
7.4
|
7.8
|
Tachwedd 2021
|
9.9
|
10.2
|
11.1
|
Rhagfyr 2021
|
9.8
|
11.4
|
10.4
|
Ionawr 2022
|
9.6
|
10.1
|
5.7
|
Chwefror 2022
|
8.0
|
8.0
|
4.6
|
Mawrth 2022
|
6.9
|
6.6
|
1.0
|
Ebrill 2022
|
10.7
|
11.1
|
7.5
|
Mai 2022
|
11.4
|
11.7
|
7.6
|
Mehefin 2022
|
3.7
|
2.7
|
-1.1
|
Gorffennaf 2022
|
16.2
|
17.1
|
11.4
|
Awst 2022
|
12.6
|
13.1
|
9.5
|
Medi 2022
|
8.5
|
8.0
|
5.2
|
Hydref 2022
|
14.2
|
15.9
|
10.2
|
Tachwedd 2022
|
11.1
|
12.6
|
6.4
|
Rhagfyr 2022
|
8.5
|
8.6
|
4.9
|
Ionawr 2023
|
5.9
|
6.1
|
3.2
|
Chwefror 2023
|
4.9
|
5.0
|
1.9
|
Mawrth 2023
|
3.2
|
2.4
|
1.4
|
Ebrill 2023
|
1.7
|
0.6
|
-0.3
|
Mai 2023
|
1.7
|
0.9
|
0.7
|
Mehefin 2023
|
1.6
|
1.3
|
0.5
|
Gorffennaf 2023
|
-0.4
|
-1.3
|
-0.9
|
Awst 2023
|
-0.7
|
-1.0
|
-0.9
|
Medi 2023
|
-1.6
|
-2.3
|
-2.4
|
Hydref 2023
|
-1.3
|
-1.6
|
-0.9
|
Tachwedd 2023
|
-1.7
|
-2.7
|
-1.5
|
Rhagfyr 2023
|
-0.5
|
-1.1
|
-0.7
|
Dyddiad
|
Pob math o eiddo
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ionawr 2000
|
-1.7
|
-2.7
|
-4.4
|
Chwefror 2000
|
-0.4
|
-0.2
|
1.4
|
Mawrth 2000
|
2.8
|
3.1
|
2.4
|
Ebrill 2000
|
2.3
|
2.3
|
3.8
|
Mai 2000
|
-0.0
|
-0.6
|
0.5
|
Mehefin 2000
|
-0.2
|
-0.3
|
0.4
|
Gorffennaf 2000
|
1.6
|
0.7
|
-0.8
|
Awst 2000
|
1.3
|
0.9
|
4.0
|
Medi 2000
|
-0.2
|
0.2
|
-0.2
|
Hydref 2000
|
0.6
|
-0.6
|
-0.1
|
Tachwedd 2000
|
0.3
|
0.6
|
1.3
|
Rhagfyr 2000
|
1.2
|
1.8
|
3.8
|
Ionawr 2001
|
-0.3
|
-0.7
|
-3.0
|
Chwefror 2001
|
-1.0
|
-1.1
|
0.4
|
Mawrth 2001
|
0.6
|
0.8
|
0.5
|
Ebrill 2001
|
3.2
|
3.6
|
2.9
|
Mai 2001
|
0.3
|
0.6
|
0.9
|
Mehefin 2001
|
2.7
|
3.0
|
3.1
|
Gorffennaf 2001
|
1.4
|
0.5
|
0.1
|
Awst 2001
|
1.1
|
1.1
|
2.8
|
Medi 2001
|
0.9
|
0.8
|
1.3
|
Hydref 2001
|
-0.2
|
-0.6
|
-1.3
|
Tachwedd 2001
|
0.6
|
0.3
|
1.6
|
Rhagfyr 2001
|
1.3
|
1.2
|
4.2
|
Ionawr 2002
|
-0.7
|
-1.0
|
-3.6
|
Chwefror 2002
|
-0.5
|
0.2
|
0.8
|
Mawrth 2002
|
3.4
|
3.3
|
4.0
|
Ebrill 2002
|
1.5
|
1.5
|
2.4
|
Mai 2002
|
4.3
|
4.6
|
2.6
|
Mehefin 2002
|
1.7
|
1.5
|
3.5
|
Gorffennaf 2002
|
3.3
|
3.2
|
1.4
|
Awst 2002
|
1.4
|
1.1
|
2.4
|
Medi 2002
|
0.0
|
-0.4
|
-0.2
|
Hydref 2002
|
1.1
|
0.9
|
0.9
|
Tachwedd 2002
|
3.0
|
3.4
|
3.8
|
Rhagfyr 2002
|
1.1
|
1.1
|
1.5
|
Ionawr 2003
|
0.7
|
0.8
|
-1.0
|
Chwefror 2003
|
-0.2
|
-0.7
|
1.2
|
Mawrth 2003
|
1.3
|
1.8
|
1.0
|
Ebrill 2003
|
4.9
|
4.9
|
3.5
|
Mai 2003
|
2.7
|
2.9
|
2.9
|
Mehefin 2003
|
1.7
|
2.3
|
3.7
|
Gorffennaf 2003
|
3.5
|
3.5
|
1.8
|
Awst 2003
|
2.6
|
2.9
|
2.8
|
Medi 2003
|
0.2
|
0.1
|
-0.0
|
Hydref 2003
|
2.3
|
2.8
|
2.2
|
Tachwedd 2003
|
1.9
|
1.8
|
2.2
|
Rhagfyr 2003
|
3.0
|
4.0
|
5.5
|
Ionawr 2004
|
-0.6
|
-1.0
|
-2.7
|
Chwefror 2004
|
1.3
|
1.8
|
0.5
|
Mawrth 2004
|
1.6
|
2.2
|
2.9
|
Ebrill 2004
|
6.0
|
7.3
|
3.8
|
Mai 2004
|
3.5
|
4.1
|
4.3
|
Mehefin 2004
|
3.0
|
2.8
|
4.6
|
Gorffennaf 2004
|
4.1
|
4.5
|
1.4
|
Awst 2004
|
1.1
|
1.1
|
1.5
|
Medi 2004
|
0.5
|
0.5
|
1.6
|
Hydref 2004
|
0.6
|
0.5
|
0.5
|
Tachwedd 2004
|
1.2
|
1.8
|
1.2
|
Rhagfyr 2004
|
0.2
|
0.6
|
1.6
|
Ionawr 2005
|
-1.0
|
-1.4
|
-3.4
|
Chwefror 2005
|
-1.1
|
-1.5
|
0.2
|
Mawrth 2005
|
2.8
|
3.2
|
3.9
|
Ebrill 2005
|
1.8
|
2.5
|
0.2
|
Mai 2005
|
2.2
|
2.2
|
3.2
|
Mehefin 2005
|
1.4
|
2.6
|
1.2
|
Gorffennaf 2005
|
1.1
|
0.6
|
-0.1
|
Awst 2005
|
1.0
|
1.2
|
1.7
|
Medi 2005
|
0.0
|
1.1
|
-0.9
|
Hydref 2005
|
-0.3
|
-0.8
|
0.8
|
Tachwedd 2005
|
0.3
|
0.5
|
-0.3
|
Rhagfyr 2005
|
1.7
|
2.5
|
3.4
|
Ionawr 2006
|
-1.8
|
-2.4
|
-3.2
|
Chwefror 2006
|
1.1
|
1.4
|
2.6
|
Mawrth 2006
|
-0.4
|
-0.5
|
-1.9
|
Ebrill 2006
|
3.6
|
4.2
|
2.9
|
Mai 2006
|
0.4
|
0.2
|
1.1
|
Mehefin 2006
|
1.5
|
2.2
|
0.9
|
Gorffennaf 2006
|
0.9
|
1.2
|
-0.4
|
Awst 2006
|
0.3
|
0.0
|
0.1
|
Medi 2006
|
0.9
|
0.9
|
2.1
|
Hydref 2006
|
-0.2
|
0.1
|
-0.8
|
Tachwedd 2006
|
0.8
|
0.9
|
0.6
|
Rhagfyr 2006
|
1.1
|
2.0
|
2.0
|
Ionawr 2007
|
-0.8
|
-1.6
|
-2.1
|
Chwefror 2007
|
0.6
|
0.2
|
3.2
|
Mawrth 2007
|
0.2
|
1.1
|
-2.8
|
Ebrill 2007
|
1.8
|
2.1
|
2.7
|
Mai 2007
|
0.8
|
0.7
|
1.9
|
Mehefin 2007
|
1.5
|
2.0
|
0.6
|
Gorffennaf 2007
|
0.3
|
-0.1
|
0.2
|
Awst 2007
|
0.8
|
1.2
|
-0.5
|
Medi 2007
|
-0.3
|
-0.6
|
0.7
|
Hydref 2007
|
0.2
|
-0.1
|
0.2
|
Tachwedd 2007
|
-0.4
|
-0.3
|
-0.6
|
Rhagfyr 2007
|
1.1
|
1.6
|
2.1
|
Ionawr 2008
|
-2.7
|
-3.7
|
-2.7
|
Chwefror 2008
|
-1.0
|
-0.8
|
-1.5
|
Mawrth 2008
|
-1.3
|
-1.1
|
-2.6
|
Ebrill 2008
|
1.7
|
2.2
|
1.7
|
Mai 2008
|
-0.5
|
-0.6
|
-0.5
|
Mehefin 2008
|
-0.4
|
-0.3
|
-0.0
|
Gorffennaf 2008
|
-1.6
|
-2.0
|
-2.0
|
Awst 2008
|
-1.1
|
-1.0
|
-0.8
|
Medi 2008
|
-3.1
|
-3.5
|
-3.0
|
Hydref 2008
|
-1.0
|
-1.1
|
-0.9
|
Tachwedd 2008
|
-2.6
|
-2.6
|
-2.4
|
Rhagfyr 2008
|
-1.0
|
0.2
|
-2.8
|
Ionawr 2009
|
-3.1
|
-4.7
|
-1.1
|
Chwefror 2009
|
-0.4
|
-0.4
|
0.4
|
Mawrth 2009
|
-1.8
|
-2.1
|
-1.3
|
Ebrill 2009
|
2.5
|
3.3
|
0.7
|
Mai 2009
|
0.4
|
0.5
|
0.3
|
Mehefin 2009
|
0.5
|
0.6
|
0.2
|
Gorffennaf 2009
|
1.5
|
1.5
|
-0.2
|
Awst 2009
|
0.7
|
0.4
|
0.6
|
Medi 2009
|
0.5
|
0.9
|
0.8
|
Hydref 2009
|
0.7
|
0.4
|
-1.6
|
Tachwedd 2009
|
0.3
|
0.5
|
1.3
|
Rhagfyr 2009
|
1.6
|
2.6
|
1.7
|
Ionawr 2010
|
-3.5
|
-5.3
|
-6.3
|
Chwefror 2010
|
1.6
|
1.9
|
2.2
|
Mawrth 2010
|
-1.4
|
-1.9
|
0.9
|
Ebrill 2010
|
2.2
|
2.8
|
0.9
|
Mai 2010
|
0.1
|
0.2
|
0.2
|
Mehefin 2010
|
0.3
|
0.9
|
-0.2
|
Gorffennaf 2010
|
-0.6
|
-1.2
|
-2.0
|
Awst 2010
|
1.3
|
0.7
|
1.8
|
Medi 2010
|
-1.0
|
-0.6
|
-0.8
|
Hydref 2010
|
-0.9
|
-1.3
|
-0.5
|
Tachwedd 2010
|
-1.5
|
-2.0
|
-1.1
|
Rhagfyr 2010
|
0.1
|
1.2
|
-0.4
|
Ionawr 2011
|
-1.1
|
-2.4
|
-0.7
|
Chwefror 2011
|
-0.7
|
0.1
|
-0.1
|
Mawrth 2011
|
-0.9
|
-1.4
|
-2.1
|
Ebrill 2011
|
1.4
|
2.1
|
1.7
|
Mai 2011
|
-0.6
|
-1.1
|
2.0
|
Mehefin 2011
|
-0.2
|
0.1
|
-1.8
|
Gorffennaf 2011
|
1.4
|
1.0
|
1.7
|
Awst 2011
|
0.8
|
0.9
|
-1.3
|
Medi 2011
|
-0.7
|
-0.4
|
-0.4
|
Hydref 2011
|
-0.6
|
-1.1
|
-1.9
|
Tachwedd 2011
|
-1.8
|
-2.2
|
0.9
|
Rhagfyr 2011
|
0.5
|
1.2
|
-0.1
|
Ionawr 2012
|
-1.8
|
-2.0
|
-3.0
|
Chwefror 2012
|
1.2
|
1.9
|
1.6
|
Mawrth 2012
|
0.4
|
0.9
|
1.2
|
Ebrill 2012
|
0.4
|
-0.7
|
0.6
|
Mai 2012
|
-0.6
|
-0.6
|
-1.1
|
Mehefin 2012
|
1.8
|
3.5
|
1.5
|
Gorffennaf 2012
|
-0.6
|
-1.9
|
-0.4
|
Awst 2012
|
0.9
|
1.9
|
-0.4
|
Medi 2012
|
-0.1
|
-0.7
|
0.6
|
Hydref 2012
|
-2.3
|
-2.6
|
-2.0
|
Tachwedd 2012
|
1.5
|
1.8
|
0.1
|
Rhagfyr 2012
|
-0.8
|
-0.7
|
-0.3
|
Ionawr 2013
|
-2.6
|
-3.9
|
-2.7
|
Chwefror 2013
|
2.0
|
3.2
|
1.6
|
Mawrth 2013
|
-0.1
|
-0.5
|
0.1
|
Ebrill 2013
|
0.4
|
0.7
|
0.3
|
Mai 2013
|
0.4
|
0.6
|
1.7
|
Mehefin 2013
|
1.2
|
1.9
|
0.1
|
Gorffennaf 2013
|
0.1
|
-0.7
|
0.6
|
Awst 2013
|
1.4
|
1.7
|
0.8
|
Medi 2013
|
-0.1
|
-0.5
|
0.4
|
Hydref 2013
|
-1.8
|
-2.7
|
-1.6
|
Tachwedd 2013
|
0.8
|
1.5
|
-0.1
|
Rhagfyr 2013
|
1.0
|
1.4
|
1.9
|
Ionawr 2014
|
-1.2
|
-1.4
|
-1.5
|
Chwefror 2014
|
1.2
|
1.2
|
1.2
|
Mawrth 2014
|
-1.0
|
-0.9
|
-0.8
|
Ebrill 2014
|
2.7
|
2.8
|
2.8
|
Mai 2014
|
0.4
|
0.8
|
0.1
|
Mehefin 2014
|
1.3
|
1.4
|
1.5
|
Gorffennaf 2014
|
0.6
|
0.6
|
-0.2
|
Awst 2014
|
1.2
|
1.1
|
0.7
|
Medi 2014
|
-0.1
|
-0.2
|
0.9
|
Hydref 2014
|
-0.5
|
-0.8
|
-0.3
|
Tachwedd 2014
|
-0.4
|
-0.6
|
-0.9
|
Rhagfyr 2014
|
-0.1
|
0.0
|
0.4
|
Ionawr 2015
|
-0.5
|
-0.8
|
0.1
|
Chwefror 2015
|
0.8
|
1.0
|
1.1
|
Mawrth 2015
|
-1.4
|
-1.9
|
-1.6
|
Ebrill 2015
|
1.5
|
1.9
|
0.6
|
Mai 2015
|
1.8
|
2.1
|
2.4
|
Mehefin 2015
|
-0.4
|
-0.1
|
-2.2
|
Gorffennaf 2015
|
1.7
|
1.4
|
3.1
|
Awst 2015
|
0.7
|
0.3
|
0.8
|
Medi 2015
|
0.2
|
0.2
|
0.4
|
Hydref 2015
|
-0.5
|
-0.7
|
-1.3
|
Tachwedd 2015
|
0.5
|
0.8
|
0.7
|
Rhagfyr 2015
|
0.0
|
-0.0
|
-0.1
|
Ionawr 2016
|
0.2
|
-0.2
|
0.5
|
Chwefror 2016
|
-0.1
|
0.2
|
-0.2
|
Mawrth 2016
|
-1.1
|
-1.5
|
-0.0
|
Ebrill 2016
|
3.7
|
4.4
|
3.0
|
Mai 2016
|
0.7
|
0.8
|
2.0
|
Mehefin 2016
|
0.3
|
0.4
|
-0.9
|
Gorffennaf 2016
|
1.5
|
1.6
|
1.6
|
Awst 2016
|
-0.1
|
-0.5
|
0.5
|
Medi 2016
|
-0.1
|
-0.3
|
-0.4
|
Hydref 2016
|
-1.1
|
-2.1
|
-0.4
|
Tachwedd 2016
|
0.9
|
1.2
|
1.6
|
Rhagfyr 2016
|
-0.1
|
0.3
|
-0.2
|
Ionawr 2017
|
-0.1
|
-0.6
|
-0.1
|
Chwefror 2017
|
1.1
|
1.4
|
2.8
|
Mawrth 2017
|
-0.9
|
-1.5
|
-1.6
|
Ebrill 2017
|
1.7
|
2.2
|
1.2
|
Mai 2017
|
0.6
|
0.6
|
1.3
|
Mehefin 2017
|
1.3
|
1.4
|
2.0
|
Gorffennaf 2017
|
1.1
|
1.2
|
0.5
|
Awst 2017
|
1.0
|
1.1
|
1.1
|
Medi 2017
|
-0.3
|
-0.5
|
-1.0
|
Hydref 2017
|
-0.3
|
-0.7
|
-0.6
|
Tachwedd 2017
|
0.3
|
0.2
|
1.1
|
Rhagfyr 2017
|
0.7
|
1.3
|
-0.3
|
Ionawr 2018
|
-2.1
|
-2.9
|
-1.8
|
Chwefror 2018
|
1.2
|
1.7
|
1.2
|
Mawrth 2018
|
-1.2
|
-1.0
|
-2.9
|
Ebrill 2018
|
1.4
|
1.7
|
1.4
|
Mai 2018
|
0.7
|
0.9
|
1.0
|
Mehefin 2018
|
0.9
|
0.6
|
1.2
|
Gorffennaf 2018
|
1.3
|
1.2
|
0.4
|
Awst 2018
|
0.5
|
0.6
|
0.7
|
Medi 2018
|
-0.0
|
-0.5
|
0.4
|
Hydref 2018
|
0.5
|
0.5
|
0.5
|
Tachwedd 2018
|
-0.4
|
-0.4
|
-1.0
|
Rhagfyr 2018
|
-0.3
|
-0.1
|
0.4
|
Ionawr 2019
|
-0.8
|
-1.6
|
-0.8
|
Chwefror 2019
|
0.4
|
1.0
|
0.3
|
Mawrth 2019
|
-0.9
|
-1.3
|
-1.6
|
Ebrill 2019
|
1.0
|
1.8
|
0.4
|
Mai 2019
|
1.1
|
1.3
|
0.8
|
Mehefin 2019
|
-0.1
|
-0.2
|
0.7
|
Gorffennaf 2019
|
1.4
|
1.4
|
1.9
|
Awst 2019
|
1.0
|
1.5
|
-0.7
|
Medi 2019
|
-0.4
|
-0.6
|
0.8
|
Hydref 2019
|
-0.1
|
-0.6
|
-0.4
|
Tachwedd 2019
|
-0.4
|
-0.3
|
-1.9
|
Rhagfyr 2019
|
-0.6
|
-0.1
|
-0.8
|
Ionawr 2020
|
-0.4
|
-1.0
|
0.1
|
Chwefror 2020
|
0.1
|
1.0
|
-0.4
|
Mawrth 2020
|
1.1
|
0.6
|
2.2
|
Ebrill 2020
|
-1.6
|
-1.6
|
-4.3
|
Mai 2020
|
0.2
|
-0.2
|
2.0
|
Mehefin 2020
|
2.8
|
3.9
|
2.2
|
Gorffennaf 2020
|
1.5
|
1.0
|
2.7
|
Awst 2020
|
1.2
|
0.9
|
0.1
|
Medi 2020
|
0.6
|
0.9
|
0.2
|
Hydref 2020
|
2.0
|
2.2
|
1.4
|
Tachwedd 2020
|
0.4
|
0.9
|
0.8
|
Rhagfyr 2020
|
1.7
|
1.7
|
1.8
|
Ionawr 2021
|
0.9
|
1.1
|
4.7
|
Chwefror 2021
|
1.5
|
2.2
|
1.3
|
Mawrth 2021
|
1.7
|
1.7
|
3.3
|
Ebrill 2021
|
-1.9
|
-2.0
|
-4.0
|
Mai 2021
|
0.2
|
0.4
|
-0.4
|
Mehefin 2021
|
8.3
|
9.9
|
9.7
|
Gorffennaf 2021
|
-8.3
|
-9.7
|
-9.7
|
Awst 2021
|
3.9
|
4.1
|
1.5
|
Medi 2021
|
4.9
|
6.0
|
6.6
|
Hydref 2021
|
-5.4
|
-7.5
|
-6.5
|
Tachwedd 2021
|
3.1
|
3.5
|
3.9
|
Rhagfyr 2021
|
1.6
|
2.8
|
1.2
|
Ionawr 2022
|
0.7
|
0.0
|
0.3
|
Chwefror 2022
|
0.1
|
0.2
|
0.2
|
Mawrth 2022
|
0.6
|
0.5
|
-0.3
|
Ebrill 2022
|
1.6
|
2.1
|
2.1
|
Mai 2022
|
0.9
|
0.9
|
-0.3
|
Mehefin 2022
|
0.8
|
1.0
|
0.8
|
Gorffennaf 2022
|
2.7
|
3.0
|
1.8
|
Awst 2022
|
0.6
|
0.6
|
-0.2
|
Medi 2022
|
1.1
|
1.2
|
2.4
|
Hydref 2022
|
-0.4
|
-0.8
|
-2.0
|
Tachwedd 2022
|
0.3
|
0.6
|
0.4
|
Rhagfyr 2022
|
-0.8
|
-0.8
|
-0.3
|
Ionawr 2023
|
-1.7
|
-2.3
|
-1.3
|
Chwefror 2023
|
-0.8
|
-0.9
|
-1.0
|
Mawrth 2023
|
-1.1
|
-2.0
|
-0.8
|
Ebrill 2023
|
0.1
|
0.3
|
0.4
|
Mai 2023
|
0.9
|
1.2
|
0.8
|
Mehefin 2023
|
0.7
|
1.3
|
0.6
|
Gorffennaf 2023
|
0.8
|
0.4
|
0.3
|
Awst 2023
|
0.3
|
0.8
|
-0.2
|
Medi 2023
|
0.1
|
0.0
|
0.9
|
Hydref 2023
|
0.0
|
-0.1
|
-0.6
|
Tachwedd 2023
|
-0.1
|
-0.6
|
-0.2
|
Rhagfyr 2023
|
0.4
|
0.9
|
0.5
|
Dyddiad
|
Pob math o eiddo
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ionawr 2000
|
37.6
|
35.5
|
38.0
|
Chwefror 2000
|
37.5
|
35.4
|
38.5
|
Mawrth 2000
|
38.5
|
36.6
|
39.4
|
Ebrill 2000
|
39.4
|
37.4
|
41.0
|
Mai 2000
|
39.4
|
37.2
|
41.2
|
Mehefin 2000
|
39.3
|
37.1
|
41.3
|
Gorffennaf 2000
|
39.9
|
37.3
|
41.0
|
Awst 2000
|
40.4
|
37.7
|
42.6
|
Medi 2000
|
40.4
|
37.8
|
42.5
|
Hydref 2000
|
40.6
|
37.5
|
42.5
|
Tachwedd 2000
|
40.8
|
37.8
|
43.1
|
Rhagfyr 2000
|
41.2
|
38.4
|
44.7
|
Ionawr 2001
|
41.1
|
38.2
|
43.4
|
Chwefror 2001
|
40.7
|
37.8
|
43.5
|
Mawrth 2001
|
40.9
|
38.0
|
43.8
|
Ebrill 2001
|
42.3
|
39.4
|
45.0
|
Mai 2001
|
42.4
|
39.7
|
45.4
|
Mehefin 2001
|
43.6
|
40.9
|
46.8
|
Gorffennaf 2001
|
44.2
|
41.0
|
46.9
|
Awst 2001
|
44.6
|
41.5
|
48.2
|
Medi 2001
|
45.0
|
41.9
|
48.8
|
Hydref 2001
|
45.0
|
41.6
|
48.2
|
Tachwedd 2001
|
45.2
|
41.7
|
48.9
|
Rhagfyr 2001
|
45.8
|
42.2
|
51.0
|
Ionawr 2002
|
45.5
|
41.8
|
49.2
|
Chwefror 2002
|
45.3
|
41.8
|
49.6
|
Mawrth 2002
|
46.8
|
43.2
|
51.6
|
Ebrill 2002
|
47.5
|
43.9
|
52.8
|
Mai 2002
|
49.5
|
45.9
|
54.2
|
Mehefin 2002
|
50.4
|
46.6
|
56.1
|
Gorffennaf 2002
|
52.0
|
48.1
|
56.9
|
Awst 2002
|
52.8
|
48.6
|
58.3
|
Medi 2002
|
52.8
|
48.4
|
58.2
|
Hydref 2002
|
53.3
|
48.9
|
58.7
|
Tachwedd 2002
|
55.0
|
50.5
|
61.0
|
Rhagfyr 2002
|
55.6
|
51.1
|
61.9
|
Ionawr 2003
|
55.9
|
51.5
|
61.3
|
Chwefror 2003
|
55.8
|
51.1
|
62.0
|
Mawrth 2003
|
56.6
|
52.0
|
62.6
|
Ebrill 2003
|
59.3
|
54.6
|
64.8
|
Mai 2003
|
60.9
|
56.2
|
66.6
|
Mehefin 2003
|
61.9
|
57.5
|
69.1
|
Gorffennaf 2003
|
64.1
|
59.5
|
70.4
|
Awst 2003
|
65.8
|
61.2
|
72.3
|
Medi 2003
|
65.9
|
61.3
|
72.3
|
Hydref 2003
|
67.4
|
63.0
|
73.9
|
Tachwedd 2003
|
68.7
|
64.1
|
75.5
|
Rhagfyr 2003
|
70.7
|
66.7
|
79.7
|
Ionawr 2004
|
70.3
|
66.0
|
77.5
|
Chwefror 2004
|
71.2
|
67.3
|
77.9
|
Mawrth 2004
|
72.4
|
68.8
|
80.2
|
Ebrill 2004
|
76.7
|
73.8
|
83.2
|
Mai 2004
|
79.4
|
76.8
|
86.8
|
Mehefin 2004
|
81.8
|
78.9
|
90.8
|
Gorffennaf 2004
|
85.2
|
82.5
|
92.1
|
Awst 2004
|
86.1
|
83.4
|
93.4
|
Medi 2004
|
86.6
|
83.8
|
94.9
|
Hydref 2004
|
87.1
|
84.2
|
95.4
|
Tachwedd 2004
|
88.2
|
85.7
|
96.5
|
Rhagfyr 2004
|
88.4
|
86.2
|
98.0
|
Ionawr 2005
|
87.4
|
85.0
|
94.6
|
Chwefror 2005
|
86.5
|
83.7
|
94.8
|
Mawrth 2005
|
88.9
|
86.4
|
98.5
|
Ebrill 2005
|
90.5
|
88.6
|
98.6
|
Mai 2005
|
92.4
|
90.5
|
101.8
|
Mehefin 2005
|
93.8
|
92.8
|
103.0
|
Gorffennaf 2005
|
94.8
|
93.4
|
102.9
|
Awst 2005
|
95.8
|
94.6
|
104.7
|
Medi 2005
|
95.8
|
95.6
|
103.8
|
Hydref 2005
|
95.5
|
94.8
|
104.6
|
Tachwedd 2005
|
95.8
|
95.3
|
104.4
|
Rhagfyr 2005
|
97.4
|
97.6
|
107.9
|
Ionawr 2006
|
95.7
|
95.4
|
104.5
|
Chwefror 2006
|
96.7
|
96.7
|
107.1
|
Mawrth 2006
|
96.4
|
96.2
|
105.1
|
Ebrill 2006
|
99.8
|
100.2
|
108.1
|
Mai 2006
|
100.2
|
100.4
|
109.3
|
Mehefin 2006
|
101.7
|
102.6
|
110.4
|
Gorffennaf 2006
|
102.6
|
103.8
|
109.9
|
Awst 2006
|
103.0
|
103.8
|
110.0
|
Medi 2006
|
103.9
|
104.8
|
112.2
|
Hydref 2006
|
103.7
|
104.9
|
111.4
|
Tachwedd 2006
|
104.6
|
105.8
|
112.0
|
Rhagfyr 2006
|
105.7
|
108.0
|
114.3
|
Ionawr 2007
|
104.9
|
106.3
|
111.8
|
Chwefror 2007
|
105.6
|
106.5
|
115.4
|
Mawrth 2007
|
105.8
|
107.6
|
112.2
|
Ebrill 2007
|
107.7
|
109.9
|
115.2
|
Mai 2007
|
108.6
|
110.6
|
117.4
|
Mehefin 2007
|
110.2
|
112.9
|
118.1
|
Gorffennaf 2007
|
110.5
|
112.7
|
118.3
|
Awst 2007
|
111.4
|
114.1
|
117.6
|
Medi 2007
|
111.1
|
113.4
|
118.5
|
Hydref 2007
|
111.2
|
113.3
|
118.7
|
Tachwedd 2007
|
110.8
|
112.9
|
118.0
|
Rhagfyr 2007
|
112.0
|
114.7
|
120.4
|
Ionawr 2008
|
109.0
|
110.4
|
117.1
|
Chwefror 2008
|
107.9
|
109.6
|
115.4
|
Mawrth 2008
|
106.6
|
108.4
|
112.3
|
Ebrill 2008
|
108.4
|
110.8
|
114.2
|
Mai 2008
|
107.8
|
110.1
|
113.7
|
Mehefin 2008
|
107.4
|
109.7
|
113.6
|
Gorffennaf 2008
|
105.7
|
107.5
|
111.4
|
Awst 2008
|
104.6
|
106.4
|
110.5
|
Medi 2008
|
101.4
|
102.7
|
107.2
|
Hydref 2008
|
100.3
|
101.5
|
106.2
|
Tachwedd 2008
|
97.7
|
98.9
|
103.6
|
Rhagfyr 2008
|
96.7
|
99.1
|
100.8
|
Ionawr 2009
|
93.7
|
94.4
|
99.6
|
Chwefror 2009
|
93.3
|
94.1
|
100.0
|
Mawrth 2009
|
91.6
|
92.2
|
98.7
|
Ebrill 2009
|
93.9
|
95.2
|
99.4
|
Mai 2009
|
94.2
|
95.6
|
99.7
|
Mehefin 2009
|
94.7
|
96.2
|
99.9
|
Gorffennaf 2009
|
96.2
|
97.6
|
99.7
|
Awst 2009
|
96.8
|
98.0
|
100.3
|
Medi 2009
|
97.3
|
98.9
|
101.1
|
Hydref 2009
|
97.9
|
99.3
|
99.5
|
Tachwedd 2009
|
98.2
|
99.8
|
100.8
|
Rhagfyr 2009
|
99.8
|
102.4
|
102.5
|
Ionawr 2010
|
96.3
|
97.0
|
96.1
|
Chwefror 2010
|
97.8
|
98.9
|
98.2
|
Mawrth 2010
|
96.5
|
97.0
|
99.1
|
Ebrill 2010
|
98.6
|
99.7
|
100.0
|
Mai 2010
|
98.7
|
99.8
|
100.2
|
Mehefin 2010
|
99.0
|
100.7
|
100.0
|
Gorffennaf 2010
|
98.5
|
99.6
|
98.0
|
Awst 2010
|
99.8
|
100.2
|
99.8
|
Medi 2010
|
98.7
|
99.6
|
98.9
|
Hydref 2010
|
97.9
|
98.3
|
98.4
|
Tachwedd 2010
|
96.4
|
96.3
|
97.4
|
Rhagfyr 2010
|
96.6
|
97.4
|
97.0
|
Ionawr 2011
|
95.5
|
95.1
|
96.3
|
Chwefror 2011
|
94.8
|
95.2
|
96.2
|
Mawrth 2011
|
93.9
|
93.9
|
94.2
|
Ebrill 2011
|
95.2
|
95.8
|
95.8
|
Mai 2011
|
94.6
|
94.7
|
97.7
|
Mehefin 2011
|
94.4
|
94.9
|
95.9
|
Gorffennaf 2011
|
95.8
|
95.8
|
97.6
|
Awst 2011
|
96.6
|
96.7
|
96.3
|
Medi 2011
|
95.9
|
96.3
|
95.9
|
Hydref 2011
|
95.3
|
95.3
|
94.1
|
Tachwedd 2011
|
93.6
|
93.2
|
95.0
|
Rhagfyr 2011
|
94.1
|
94.3
|
94.9
|
Ionawr 2012
|
92.5
|
92.4
|
92.1
|
Chwefror 2012
|
93.6
|
94.2
|
93.6
|
Mawrth 2012
|
94.0
|
95.0
|
94.6
|
Ebrill 2012
|
94.3
|
94.3
|
95.2
|
Mai 2012
|
93.7
|
93.7
|
94.2
|
Mehefin 2012
|
95.4
|
97.0
|
95.5
|
Gorffennaf 2012
|
94.8
|
95.2
|
95.1
|
Awst 2012
|
95.7
|
97.0
|
94.8
|
Medi 2012
|
95.5
|
96.3
|
95.4
|
Hydref 2012
|
93.4
|
93.8
|
93.5
|
Tachwedd 2012
|
94.8
|
95.5
|
93.6
|
Rhagfyr 2012
|
94.0
|
94.8
|
93.2
|
Ionawr 2013
|
91.6
|
91.1
|
90.8
|
Chwefror 2013
|
93.4
|
94.0
|
92.2
|
Mawrth 2013
|
93.3
|
93.5
|
92.3
|
Ebrill 2013
|
93.7
|
94.1
|
92.5
|
Mai 2013
|
94.2
|
94.7
|
94.1
|
Mehefin 2013
|
95.3
|
96.5
|
94.2
|
Gorffennaf 2013
|
95.4
|
95.8
|
94.7
|
Awst 2013
|
96.7
|
97.4
|
95.5
|
Medi 2013
|
96.6
|
96.9
|
95.9
|
Hydref 2013
|
94.9
|
94.3
|
94.3
|
Tachwedd 2013
|
95.6
|
95.7
|
94.2
|
Rhagfyr 2013
|
96.6
|
97.0
|
96.0
|
Ionawr 2014
|
95.4
|
95.6
|
94.6
|
Chwefror 2014
|
96.6
|
96.7
|
95.8
|
Mawrth 2014
|
95.6
|
95.8
|
95.0
|
Ebrill 2014
|
98.2
|
98.5
|
97.7
|
Mai 2014
|
98.6
|
99.3
|
97.8
|
Mehefin 2014
|
99.9
|
100.6
|
99.3
|
Gorffennaf 2014
|
100.4
|
101.3
|
99.1
|
Awst 2014
|
101.6
|
102.4
|
99.8
|
Medi 2014
|
101.5
|
102.2
|
100.8
|
Hydref 2014
|
101.0
|
101.4
|
100.4
|
Tachwedd 2014
|
100.6
|
100.8
|
99.6
|
Rhagfyr 2014
|
100.5
|
100.8
|
100.0
|
Ionawr 2015
|
100.0
|
100.0
|
100.0
|
Chwefror 2015
|
100.8
|
101.0
|
101.1
|
Mawrth 2015
|
99.4
|
99.1
|
99.6
|
Ebrill 2015
|
100.9
|
101.0
|
100.1
|
Mai 2015
|
102.7
|
103.1
|
102.6
|
Mehefin 2015
|
102.3
|
103.0
|
100.4
|
Gorffennaf 2015
|
104.0
|
104.4
|
103.5
|
Awst 2015
|
104.7
|
104.7
|
104.3
|
Medi 2015
|
105.0
|
104.9
|
104.7
|
Hydref 2015
|
104.4
|
104.2
|
103.4
|
Tachwedd 2015
|
105.0
|
105.0
|
104.1
|
Rhagfyr 2015
|
105.0
|
105.0
|
104.0
|
Ionawr 2016
|
105.2
|
104.8
|
104.5
|
Chwefror 2016
|
105.1
|
105.0
|
104.3
|
Mawrth 2016
|
104.0
|
103.4
|
104.3
|
Ebrill 2016
|
107.8
|
108.0
|
107.4
|
Mai 2016
|
108.6
|
108.8
|
109.6
|
Mehefin 2016
|
108.9
|
109.2
|
108.6
|
Gorffennaf 2016
|
110.5
|
111.0
|
110.4
|
Awst 2016
|
110.4
|
110.4
|
110.9
|
Medi 2016
|
110.3
|
110.1
|
110.5
|
Hydref 2016
|
109.0
|
107.8
|
110.0
|
Tachwedd 2016
|
110.1
|
109.1
|
111.8
|
Rhagfyr 2016
|
109.9
|
109.4
|
111.5
|
Ionawr 2017
|
109.8
|
108.7
|
111.4
|
Chwefror 2017
|
111.0
|
110.2
|
114.5
|
Mawrth 2017
|
110.0
|
108.6
|
112.6
|
Ebrill 2017
|
111.9
|
111.1
|
114.0
|
Mai 2017
|
112.6
|
111.8
|
115.5
|
Mehefin 2017
|
114.0
|
113.3
|
117.8
|
Gorffennaf 2017
|
115.2
|
114.7
|
118.4
|
Awst 2017
|
116.3
|
116.0
|
119.8
|
Medi 2017
|
116.0
|
115.4
|
118.6
|
Hydref 2017
|
115.6
|
114.6
|
117.8
|
Tachwedd 2017
|
116.0
|
114.9
|
119.2
|
Rhagfyr 2017
|
116.8
|
116.3
|
118.8
|
Ionawr 2018
|
114.4
|
113.0
|
116.7
|
Chwefror 2018
|
115.8
|
114.9
|
118.1
|
Mawrth 2018
|
114.4
|
113.7
|
114.6
|
Ebrill 2018
|
116.0
|
115.6
|
116.3
|
Mai 2018
|
116.8
|
116.7
|
117.5
|
Mehefin 2018
|
117.8
|
117.4
|
118.9
|
Gorffennaf 2018
|
119.3
|
118.8
|
119.4
|
Awst 2018
|
119.9
|
119.5
|
120.2
|
Medi 2018
|
119.9
|
119.0
|
120.7
|
Hydref 2018
|
120.4
|
119.5
|
121.3
|
Tachwedd 2018
|
120.0
|
119.1
|
120.1
|
Rhagfyr 2018
|
119.6
|
119.0
|
120.6
|
Ionawr 2019
|
118.6
|
117.1
|
119.6
|
Chwefror 2019
|
119.1
|
118.2
|
120.0
|
Mawrth 2019
|
118.1
|
116.6
|
118.1
|
Ebrill 2019
|
119.3
|
118.7
|
118.5
|
Mai 2019
|
120.5
|
120.3
|
119.5
|
Mehefin 2019
|
120.4
|
120.0
|
120.4
|
Gorffennaf 2019
|
122.1
|
121.7
|
122.7
|
Awst 2019
|
123.3
|
123.5
|
121.8
|
Medi 2019
|
122.8
|
122.7
|
122.7
|
Hydref 2019
|
122.6
|
122.0
|
122.3
|
Tachwedd 2019
|
122.1
|
121.6
|
119.9
|
Rhagfyr 2019
|
121.4
|
121.4
|
118.9
|
Ionawr 2020
|
121.0
|
120.2
|
119.1
|
Chwefror 2020
|
121.1
|
121.3
|
118.5
|
Mawrth 2020
|
122.4
|
122.1
|
121.2
|
Ebrill 2020
|
120.5
|
120.1
|
116.0
|
Mai 2020
|
120.7
|
119.9
|
118.3
|
Mehefin 2020
|
124.1
|
124.6
|
120.9
|
Gorffennaf 2020
|
125.9
|
125.8
|
124.2
|
Awst 2020
|
127.4
|
126.9
|
124.4
|
Medi 2020
|
128.2
|
128.0
|
124.6
|
Hydref 2020
|
130.7
|
130.8
|
126.3
|
Tachwedd 2020
|
131.3
|
132.0
|
127.4
|
Rhagfyr 2020
|
133.6
|
134.3
|
129.7
|
Ionawr 2021
|
134.7
|
135.8
|
135.8
|
Chwefror 2021
|
136.8
|
138.8
|
137.6
|
Mawrth 2021
|
139.0
|
141.2
|
142.1
|
Ebrill 2021
|
136.3
|
138.4
|
136.4
|
Mai 2021
|
136.6
|
138.9
|
135.8
|
Mehefin 2021
|
148.0
|
152.6
|
149.0
|
Gorffennaf 2021
|
135.7
|
137.8
|
134.6
|
Awst 2021
|
141.0
|
143.4
|
136.7
|
Medi 2021
|
147.9
|
152.1
|
145.6
|
Hydref 2021
|
139.9
|
140.6
|
136.2
|
Tachwedd 2021
|
144.3
|
145.5
|
141.6
|
Rhagfyr 2021
|
146.6
|
149.6
|
143.2
|
Ionawr 2022
|
147.6
|
149.6
|
143.7
|
Chwefror 2022
|
147.7
|
149.9
|
144.0
|
Mawrth 2022
|
148.5
|
150.6
|
143.5
|
Ebrill 2022
|
150.9
|
153.7
|
146.6
|
Mai 2022
|
152.2
|
155.1
|
146.2
|
Mehefin 2022
|
153.5
|
156.7
|
147.3
|
Gorffennaf 2022
|
157.7
|
161.3
|
149.9
|
Awst 2022
|
158.7
|
162.3
|
149.6
|
Medi 2022
|
160.5
|
164.3
|
153.2
|
Hydref 2022
|
159.8
|
162.9
|
150.1
|
Tachwedd 2022
|
160.3
|
163.8
|
150.6
|
Rhagfyr 2022
|
159.0
|
162.5
|
150.2
|
Ionawr 2023
|
156.3
|
158.7
|
148.2
|
Chwefror 2023
|
155.0
|
157.3
|
146.7
|
Mawrth 2023
|
153.3
|
154.2
|
145.6
|
Ebrill 2023
|
153.5
|
154.6
|
146.1
|
Mai 2023
|
154.8
|
156.6
|
147.3
|
Mehefin 2023
|
155.9
|
158.6
|
148.1
|
Gorffennaf 2023
|
157.1
|
159.2
|
148.6
|
Awst 2023
|
157.6
|
160.6
|
148.2
|
Medi 2023
|
157.8
|
160.5
|
149.6
|
Hydref 2023
|
157.8
|
160.3
|
148.7
|
Tachwedd 2023
|
157.6
|
159.4
|
148.4
|
Rhagfyr 2023
|
158.2
|
160.8
|
149.2
|
Statws y prynwr
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol yn ôl y math o brynwr e.e. Prynwr am y Tro Cyntaf neu Gyn Berchen-Feddiannydd
Dyddiad
|
Prynwyr am y tro cyntaf
|
Ionawr 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
|
105748.0
|
Chwefror 2012
|
106509.0
|
Mawrth 2012
|
108267.0
|
Ebrill 2012
|
107869.0
|
Mai 2012
|
107347.0
|
Mehefin 2012
|
109709.0
|
Gorffennaf 2012
|
108580.0
|
Awst 2012
|
109801.0
|
Medi 2012
|
109383.0
|
Hydref 2012
|
107005.0
|
Tachwedd 2012
|
108634.0
|
Rhagfyr 2012
|
107702.0
|
Ionawr 2013
|
104581.0
|
Chwefror 2013
|
107054.0
|
Mawrth 2013
|
106857.0
|
Ebrill 2013
|
107377.0
|
Mai 2013
|
107989.0
|
Mehefin 2013
|
109372.0
|
Gorffennaf 2013
|
109034.0
|
Awst 2013
|
110762.0
|
Medi 2013
|
110677.0
|
Hydref 2013
|
108333.0
|
Tachwedd 2013
|
109577.0
|
Rhagfyr 2013
|
110970.0
|
Ionawr 2014
|
109324.0
|
Chwefror 2014
|
110889.0
|
Mawrth 2014
|
109835.0
|
Ebrill 2014
|
112677.0
|
Mai 2014
|
113359.0
|
Mehefin 2014
|
114987.0
|
Gorffennaf 2014
|
115461.0
|
Awst 2014
|
116679.0
|
Medi 2014
|
116678.0
|
Hydref 2014
|
116011.0
|
Tachwedd 2014
|
115537.0
|
Rhagfyr 2014
|
115572.0
|
Ionawr 2015
|
114800.0
|
Chwefror 2015
|
115640.0
|
Mawrth 2015
|
113990.0
|
Ebrill 2015
|
115823.0
|
Mai 2015
|
118040.0
|
Mehefin 2015
|
117607.0
|
Gorffennaf 2015
|
119536.0
|
Awst 2015
|
120190.0
|
Medi 2015
|
120381.0
|
Hydref 2015
|
119887.0
|
Tachwedd 2015
|
120441.0
|
Rhagfyr 2015
|
120678.0
|
Ionawr 2016
|
120684.0
|
Chwefror 2016
|
120698.0
|
Mawrth 2016
|
119245.0
|
Ebrill 2016
|
124186.0
|
Mai 2016
|
125095.0
|
Mehefin 2016
|
125443.0
|
Gorffennaf 2016
|
127208.0
|
Awst 2016
|
127039.0
|
Medi 2016
|
126891.0
|
Hydref 2016
|
125151.0
|
Tachwedd 2016
|
126384.0
|
Rhagfyr 2016
|
126477.0
|
Ionawr 2017
|
125987.0
|
Chwefror 2017
|
127723.0
|
Mawrth 2017
|
126343.0
|
Ebrill 2017
|
128523.0
|
Mai 2017
|
129544.0
|
Mehefin 2017
|
131259.0
|
Gorffennaf 2017
|
132597.0
|
Awst 2017
|
133680.0
|
Medi 2017
|
133262.0
|
Hydref 2017
|
132748.0
|
Tachwedd 2017
|
133345.0
|
Rhagfyr 2017
|
134438.0
|
Ionawr 2018
|
131196.0
|
Chwefror 2018
|
133019.0
|
Mawrth 2018
|
131340.0
|
Ebrill 2018
|
133216.0
|
Mai 2018
|
134133.0
|
Mehefin 2018
|
135457.0
|
Gorffennaf 2018
|
136812.0
|
Awst 2018
|
137611.0
|
Medi 2018
|
137405.0
|
Hydref 2018
|
138266.0
|
Tachwedd 2018
|
137495.0
|
Rhagfyr 2018
|
137500.0
|
Ionawr 2019
|
135932.0
|
Chwefror 2019
|
136794.0
|
Mawrth 2019
|
135435.0
|
Ebrill 2019
|
136871.0
|
Mai 2019
|
138282.0
|
Mehefin 2019
|
138315.0
|
Gorffennaf 2019
|
140315.0
|
Awst 2019
|
141351.0
|
Medi 2019
|
140879.0
|
Hydref 2019
|
140801.0
|
Tachwedd 2019
|
139940.0
|
Rhagfyr 2019
|
139464.0
|
Ionawr 2020
|
138699.0
|
Chwefror 2020
|
139038.0
|
Mawrth 2020
|
140549.0
|
Ebrill 2020
|
138093.0
|
Mai 2020
|
138474.0
|
Mehefin 2020
|
142481.0
|
Gorffennaf 2020
|
144588.0
|
Awst 2020
|
145799.0
|
Medi 2020
|
146677.0
|
Hydref 2020
|
149643.0
|
Tachwedd 2020
|
150427.0
|
Rhagfyr 2020
|
152970.0
|
Ionawr 2021
|
155240.0
|
Chwefror 2021
|
157975.0
|
Mawrth 2021
|
160645.0
|
Ebrill 2021
|
157539.0
|
Mai 2021
|
157882.0
|
Mehefin 2021
|
171351.0
|
Gorffennaf 2021
|
157325.0
|
Awst 2021
|
162593.0
|
Medi 2021
|
171252.0
|
Hydref 2021
|
160799.0
|
Tachwedd 2021
|
166152.0
|
Rhagfyr 2021
|
169101.0
|
Ionawr 2022
|
170133.0
|
Chwefror 2022
|
170524.0
|
Mawrth 2022
|
171257.0
|
Ebrill 2022
|
174163.0
|
Mai 2022
|
175689.0
|
Mehefin 2022
|
177124.0
|
Gorffennaf 2022
|
181984.0
|
Awst 2022
|
182751.0
|
Medi 2022
|
185111.0
|
Hydref 2022
|
184069.0
|
Tachwedd 2022
|
184876.0
|
Rhagfyr 2022
|
183530.0
|
Ionawr 2023
|
179934.0
|
Chwefror 2023
|
178466.0
|
Mawrth 2023
|
176281.0
|
Ebrill 2023
|
176375.0
|
Mai 2023
|
178046.0
|
Mehefin 2023
|
179489.0
|
Gorffennaf 2023
|
180644.0
|
Awst 2023
|
181464.0
|
Medi 2023
|
181754.0
|
Hydref 2023
|
181697.0
|
Tachwedd 2023
|
181088.0
|
Rhagfyr 2023
|
182353.0
|
Dyddiad
|
Prynwyr am y tro cyntaf
|
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
|
-1.1
|
Chwefror 2013
|
0.5
|
Mawrth 2013
|
-1.3
|
Ebrill 2013
|
-0.5
|
Mai 2013
|
0.6
|
Mehefin 2013
|
-0.3
|
Gorffennaf 2013
|
0.4
|
Awst 2013
|
0.9
|
Medi 2013
|
1.2
|
Hydref 2013
|
1.2
|
Tachwedd 2013
|
0.9
|
Rhagfyr 2013
|
3.0
|
Ionawr 2014
|
4.5
|
Chwefror 2014
|
3.6
|
Mawrth 2014
|
2.8
|
Ebrill 2014
|
4.9
|
Mai 2014
|
5.0
|
Mehefin 2014
|
5.1
|
Gorffennaf 2014
|
5.9
|
Awst 2014
|
5.3
|
Medi 2014
|
5.4
|
Hydref 2014
|
7.1
|
Tachwedd 2014
|
5.4
|
Rhagfyr 2014
|
4.2
|
Ionawr 2015
|
5.0
|
Chwefror 2015
|
4.3
|
Mawrth 2015
|
3.8
|
Ebrill 2015
|
2.8
|
Mai 2015
|
4.1
|
Mehefin 2015
|
2.3
|
Gorffennaf 2015
|
3.5
|
Awst 2015
|
3.0
|
Medi 2015
|
3.2
|
Hydref 2015
|
3.3
|
Tachwedd 2015
|
4.2
|
Rhagfyr 2015
|
4.4
|
Ionawr 2016
|
5.1
|
Chwefror 2016
|
4.4
|
Mawrth 2016
|
4.6
|
Ebrill 2016
|
7.2
|
Mai 2016
|
6.0
|
Mehefin 2016
|
6.7
|
Gorffennaf 2016
|
6.4
|
Awst 2016
|
5.7
|
Medi 2016
|
5.4
|
Hydref 2016
|
4.4
|
Tachwedd 2016
|
4.9
|
Rhagfyr 2016
|
4.8
|
Ionawr 2017
|
4.4
|
Chwefror 2017
|
5.8
|
Mawrth 2017
|
6.0
|
Ebrill 2017
|
3.5
|
Mai 2017
|
3.6
|
Mehefin 2017
|
4.6
|
Gorffennaf 2017
|
4.2
|
Awst 2017
|
5.2
|
Medi 2017
|
5.0
|
Hydref 2017
|
6.1
|
Tachwedd 2017
|
5.5
|
Rhagfyr 2017
|
6.3
|
Ionawr 2018
|
4.1
|
Chwefror 2018
|
4.2
|
Mawrth 2018
|
4.0
|
Ebrill 2018
|
3.6
|
Mai 2018
|
3.5
|
Mehefin 2018
|
3.2
|
Gorffennaf 2018
|
3.2
|
Awst 2018
|
2.9
|
Medi 2018
|
3.1
|
Hydref 2018
|
4.2
|
Tachwedd 2018
|
3.1
|
Rhagfyr 2018
|
2.3
|
Ionawr 2019
|
3.6
|
Chwefror 2019
|
2.8
|
Mawrth 2019
|
3.1
|
Ebrill 2019
|
2.7
|
Mai 2019
|
3.1
|
Mehefin 2019
|
2.1
|
Gorffennaf 2019
|
2.6
|
Awst 2019
|
2.7
|
Medi 2019
|
2.5
|
Hydref 2019
|
1.8
|
Tachwedd 2019
|
1.8
|
Rhagfyr 2019
|
1.4
|
Ionawr 2020
|
2.0
|
Chwefror 2020
|
1.6
|
Mawrth 2020
|
3.8
|
Ebrill 2020
|
0.9
|
Mai 2020
|
0.1
|
Mehefin 2020
|
3.0
|
Gorffennaf 2020
|
3.0
|
Awst 2020
|
3.2
|
Medi 2020
|
4.1
|
Hydref 2020
|
6.3
|
Tachwedd 2020
|
7.5
|
Rhagfyr 2020
|
9.7
|
Ionawr 2021
|
11.9
|
Chwefror 2021
|
13.6
|
Mawrth 2021
|
14.3
|
Ebrill 2021
|
14.1
|
Mai 2021
|
14.0
|
Mehefin 2021
|
20.3
|
Gorffennaf 2021
|
8.8
|
Awst 2021
|
11.5
|
Medi 2021
|
16.8
|
Hydref 2021
|
7.5
|
Tachwedd 2021
|
10.5
|
Rhagfyr 2021
|
10.5
|
Ionawr 2022
|
9.6
|
Chwefror 2022
|
7.9
|
Mawrth 2022
|
6.6
|
Ebrill 2022
|
10.6
|
Mai 2022
|
11.3
|
Mehefin 2022
|
3.4
|
Gorffennaf 2022
|
15.7
|
Awst 2022
|
12.4
|
Medi 2022
|
8.1
|
Hydref 2022
|
14.5
|
Tachwedd 2022
|
11.3
|
Rhagfyr 2022
|
8.5
|
Ionawr 2023
|
5.8
|
Chwefror 2023
|
4.7
|
Mawrth 2023
|
2.9
|
Ebrill 2023
|
1.3
|
Mai 2023
|
1.3
|
Mehefin 2023
|
1.3
|
Gorffennaf 2023
|
-0.7
|
Awst 2023
|
-0.7
|
Medi 2023
|
-1.8
|
Hydref 2023
|
-1.3
|
Tachwedd 2023
|
-2.0
|
Rhagfyr 2023
|
-0.6
|
Dyddiad
|
Prynwyr am y tro cyntaf
|
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
|
0.7
|
Mawrth 2012
|
1.6
|
Ebrill 2012
|
-0.4
|
Mai 2012
|
-0.5
|
Mehefin 2012
|
2.2
|
Gorffennaf 2012
|
-1.0
|
Awst 2012
|
1.1
|
Medi 2012
|
-0.4
|
Hydref 2012
|
-2.2
|
Tachwedd 2012
|
1.5
|
Rhagfyr 2012
|
-0.9
|
Ionawr 2013
|
-2.9
|
Chwefror 2013
|
2.4
|
Mawrth 2013
|
-0.2
|
Ebrill 2013
|
0.5
|
Mai 2013
|
0.6
|
Mehefin 2013
|
1.3
|
Gorffennaf 2013
|
-0.3
|
Awst 2013
|
1.6
|
Medi 2013
|
-0.1
|
Hydref 2013
|
-2.1
|
Tachwedd 2013
|
1.2
|
Rhagfyr 2013
|
1.3
|
Ionawr 2014
|
-1.5
|
Chwefror 2014
|
1.4
|
Mawrth 2014
|
-1.0
|
Ebrill 2014
|
2.6
|
Mai 2014
|
0.6
|
Mehefin 2014
|
1.4
|
Gorffennaf 2014
|
0.4
|
Awst 2014
|
1.0
|
Medi 2014
|
0.0
|
Hydref 2014
|
-0.6
|
Tachwedd 2014
|
-0.4
|
Rhagfyr 2014
|
0.0
|
Ionawr 2015
|
-0.7
|
Chwefror 2015
|
0.7
|
Mawrth 2015
|
-1.4
|
Ebrill 2015
|
1.6
|
Mai 2015
|
1.9
|
Mehefin 2015
|
-0.4
|
Gorffennaf 2015
|
1.6
|
Awst 2015
|
0.6
|
Medi 2015
|
0.2
|
Hydref 2015
|
-0.4
|
Tachwedd 2015
|
0.5
|
Rhagfyr 2015
|
0.2
|
Ionawr 2016
|
0.0
|
Chwefror 2016
|
0.0
|
Mawrth 2016
|
-1.2
|
Ebrill 2016
|
4.1
|
Mai 2016
|
0.7
|
Mehefin 2016
|
0.3
|
Gorffennaf 2016
|
1.4
|
Awst 2016
|
-0.1
|
Medi 2016
|
-0.1
|
Hydref 2016
|
-1.4
|
Tachwedd 2016
|
1.0
|
Rhagfyr 2016
|
0.1
|
Ionawr 2017
|
-0.4
|
Chwefror 2017
|
1.4
|
Mawrth 2017
|
-1.1
|
Ebrill 2017
|
1.7
|
Mai 2017
|
0.8
|
Mehefin 2017
|
1.3
|
Gorffennaf 2017
|
1.0
|
Awst 2017
|
0.8
|
Medi 2017
|
-0.3
|
Hydref 2017
|
-0.4
|
Tachwedd 2017
|
0.4
|
Rhagfyr 2017
|
0.8
|
Ionawr 2018
|
-2.4
|
Chwefror 2018
|
1.4
|
Mawrth 2018
|
-1.3
|
Ebrill 2018
|
1.4
|
Mai 2018
|
0.7
|
Mehefin 2018
|
1.0
|
Gorffennaf 2018
|
1.0
|
Awst 2018
|
0.6
|
Medi 2018
|
-0.2
|
Hydref 2018
|
0.6
|
Tachwedd 2018
|
-0.6
|
Rhagfyr 2018
|
0.0
|
Ionawr 2019
|
-1.1
|
Chwefror 2019
|
0.6
|
Mawrth 2019
|
-1.0
|
Ebrill 2019
|
1.1
|
Mai 2019
|
1.0
|
Mehefin 2019
|
0.0
|
Gorffennaf 2019
|
1.4
|
Awst 2019
|
0.7
|
Medi 2019
|
-0.3
|
Hydref 2019
|
-0.1
|
Tachwedd 2019
|
-0.6
|
Rhagfyr 2019
|
-0.3
|
Ionawr 2020
|
-0.6
|
Chwefror 2020
|
0.2
|
Mawrth 2020
|
1.1
|
Ebrill 2020
|
-1.8
|
Mai 2020
|
0.3
|
Mehefin 2020
|
2.9
|
Gorffennaf 2020
|
1.5
|
Awst 2020
|
0.8
|
Medi 2020
|
0.6
|
Hydref 2020
|
2.0
|
Tachwedd 2020
|
0.5
|
Rhagfyr 2020
|
1.7
|
Ionawr 2021
|
1.5
|
Chwefror 2021
|
1.8
|
Mawrth 2021
|
1.7
|
Ebrill 2021
|
-1.9
|
Mai 2021
|
0.2
|
Mehefin 2021
|
8.5
|
Gorffennaf 2021
|
-8.2
|
Awst 2021
|
3.3
|
Medi 2021
|
5.3
|
Hydref 2021
|
-6.1
|
Tachwedd 2021
|
3.3
|
Rhagfyr 2021
|
1.8
|
Ionawr 2022
|
0.6
|
Chwefror 2022
|
0.2
|
Mawrth 2022
|
0.4
|
Ebrill 2022
|
1.7
|
Mai 2022
|
0.9
|
Mehefin 2022
|
0.8
|
Gorffennaf 2022
|
2.7
|
Awst 2022
|
0.4
|
Medi 2022
|
1.3
|
Hydref 2022
|
-0.6
|
Tachwedd 2022
|
0.4
|
Rhagfyr 2022
|
-0.7
|
Ionawr 2023
|
-2.0
|
Chwefror 2023
|
-0.8
|
Mawrth 2023
|
-1.2
|
Ebrill 2023
|
0.1
|
Mai 2023
|
0.9
|
Mehefin 2023
|
0.8
|
Gorffennaf 2023
|
0.6
|
Awst 2023
|
0.5
|
Medi 2023
|
0.2
|
Hydref 2023
|
0.0
|
Tachwedd 2023
|
-0.3
|
Rhagfyr 2023
|
0.7
|
Dyddiad
|
Prynwyr am y tro cyntaf
|
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
|
92.1
|
Chwefror 2012
|
92.8
|
Mawrth 2012
|
94.3
|
Ebrill 2012
|
94.0
|
Mai 2012
|
93.5
|
Mehefin 2012
|
95.6
|
Gorffennaf 2012
|
94.6
|
Awst 2012
|
95.6
|
Medi 2012
|
95.3
|
Hydref 2012
|
93.2
|
Tachwedd 2012
|
94.6
|
Rhagfyr 2012
|
93.8
|
Ionawr 2013
|
91.1
|
Chwefror 2013
|
93.2
|
Mawrth 2013
|
93.1
|
Ebrill 2013
|
93.5
|
Mai 2013
|
94.1
|
Mehefin 2013
|
95.3
|
Gorffennaf 2013
|
95.0
|
Awst 2013
|
96.5
|
Medi 2013
|
96.4
|
Hydref 2013
|
94.4
|
Tachwedd 2013
|
95.4
|
Rhagfyr 2013
|
96.7
|
Ionawr 2014
|
95.2
|
Chwefror 2014
|
96.6
|
Mawrth 2014
|
95.7
|
Ebrill 2014
|
98.2
|
Mai 2014
|
98.7
|
Mehefin 2014
|
100.2
|
Gorffennaf 2014
|
100.6
|
Awst 2014
|
101.6
|
Medi 2014
|
101.6
|
Hydref 2014
|
101.0
|
Tachwedd 2014
|
100.6
|
Rhagfyr 2014
|
100.7
|
Ionawr 2015
|
100.0
|
Chwefror 2015
|
100.7
|
Mawrth 2015
|
99.3
|
Ebrill 2015
|
100.9
|
Mai 2015
|
102.8
|
Mehefin 2015
|
102.4
|
Gorffennaf 2015
|
104.1
|
Awst 2015
|
104.7
|
Medi 2015
|
104.9
|
Hydref 2015
|
104.4
|
Tachwedd 2015
|
104.9
|
Rhagfyr 2015
|
105.1
|
Ionawr 2016
|
105.1
|
Chwefror 2016
|
105.1
|
Mawrth 2016
|
103.9
|
Ebrill 2016
|
108.2
|
Mai 2016
|
109.0
|
Mehefin 2016
|
109.3
|
Gorffennaf 2016
|
110.8
|
Awst 2016
|
110.7
|
Medi 2016
|
110.5
|
Hydref 2016
|
109.0
|
Tachwedd 2016
|
110.1
|
Rhagfyr 2016
|
110.2
|
Ionawr 2017
|
109.7
|
Chwefror 2017
|
111.3
|
Mawrth 2017
|
110.1
|
Ebrill 2017
|
112.0
|
Mai 2017
|
112.8
|
Mehefin 2017
|
114.3
|
Gorffennaf 2017
|
115.5
|
Awst 2017
|
116.4
|
Medi 2017
|
116.1
|
Hydref 2017
|
115.6
|
Tachwedd 2017
|
116.2
|
Rhagfyr 2017
|
117.1
|
Ionawr 2018
|
114.3
|
Chwefror 2018
|
115.9
|
Mawrth 2018
|
114.4
|
Ebrill 2018
|
116.0
|
Mai 2018
|
116.8
|
Mehefin 2018
|
118.0
|
Gorffennaf 2018
|
119.2
|
Awst 2018
|
119.9
|
Medi 2018
|
119.7
|
Hydref 2018
|
120.4
|
Tachwedd 2018
|
119.8
|
Rhagfyr 2018
|
119.8
|
Ionawr 2019
|
118.4
|
Chwefror 2019
|
119.2
|
Mawrth 2019
|
118.0
|
Ebrill 2019
|
119.2
|
Mai 2019
|
120.4
|
Mehefin 2019
|
120.5
|
Gorffennaf 2019
|
122.2
|
Awst 2019
|
123.1
|
Medi 2019
|
122.7
|
Hydref 2019
|
122.6
|
Tachwedd 2019
|
121.9
|
Rhagfyr 2019
|
121.5
|
Ionawr 2020
|
120.8
|
Chwefror 2020
|
121.1
|
Mawrth 2020
|
122.4
|
Ebrill 2020
|
120.3
|
Mai 2020
|
120.6
|
Mehefin 2020
|
124.1
|
Gorffennaf 2020
|
126.0
|
Awst 2020
|
127.0
|
Medi 2020
|
127.8
|
Hydref 2020
|
130.4
|
Tachwedd 2020
|
131.0
|
Rhagfyr 2020
|
133.2
|
Ionawr 2021
|
135.2
|
Chwefror 2021
|
137.6
|
Mawrth 2021
|
139.9
|
Ebrill 2021
|
137.2
|
Mai 2021
|
137.5
|
Mehefin 2021
|
149.3
|
Gorffennaf 2021
|
137.0
|
Awst 2021
|
141.6
|
Medi 2021
|
149.2
|
Hydref 2021
|
140.1
|
Tachwedd 2021
|
144.7
|
Rhagfyr 2021
|
147.3
|
Ionawr 2022
|
148.2
|
Chwefror 2022
|
148.5
|
Mawrth 2022
|
149.2
|
Ebrill 2022
|
151.7
|
Mai 2022
|
153.0
|
Mehefin 2022
|
154.3
|
Gorffennaf 2022
|
158.5
|
Awst 2022
|
159.2
|
Medi 2022
|
161.2
|
Hydref 2022
|
160.3
|
Tachwedd 2022
|
161.0
|
Rhagfyr 2022
|
159.9
|
Ionawr 2023
|
156.7
|
Chwefror 2023
|
155.5
|
Mawrth 2023
|
153.6
|
Ebrill 2023
|
153.6
|
Mai 2023
|
155.1
|
Mehefin 2023
|
156.3
|
Gorffennaf 2023
|
157.4
|
Awst 2023
|
158.1
|
Medi 2023
|
158.3
|
Hydref 2023
|
158.3
|
Tachwedd 2023
|
157.7
|
Rhagfyr 2023
|
158.8
|
Statws cyllido
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol a nifer y gwerthiannau yn ôl statws cyllido, e.e. Arian Parod/Morgais
Statws yr eiddo
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol a nifer y gwerthiannau yn ôl cyllido yn ôl statws yr eiddo, e.e. Newydd/Presennol
Dyddiad
|
Eiddo presennol
|
Ionawr 2000
|
50150.0
|
Chwefror 2000
|
49875.0
|
Mawrth 2000
|
51357.0
|
Ebrill 2000
|
52578.0
|
Mai 2000
|
52539.0
|
Mehefin 2000
|
52438.0
|
Gorffennaf 2000
|
53239.0
|
Awst 2000
|
53844.0
|
Medi 2000
|
53821.0
|
Hydref 2000
|
54081.0
|
Tachwedd 2000
|
54197.0
|
Rhagfyr 2000
|
54819.0
|
Ionawr 2001
|
54581.0
|
Chwefror 2001
|
53995.0
|
Mawrth 2001
|
54420.0
|
Ebrill 2001
|
56172.0
|
Mai 2001
|
56476.0
|
Mehefin 2001
|
57945.0
|
Gorffennaf 2001
|
58749.0
|
Awst 2001
|
59330.0
|
Medi 2001
|
59782.0
|
Hydref 2001
|
59673.0
|
Tachwedd 2001
|
60071.0
|
Rhagfyr 2001
|
60782.0
|
Ionawr 2002
|
60333.0
|
Chwefror 2002
|
59923.0
|
Mawrth 2002
|
62099.0
|
Ebrill 2002
|
62968.0
|
Mai 2002
|
65800.0
|
Mehefin 2002
|
66835.0
|
Gorffennaf 2002
|
69197.0
|
Awst 2002
|
70148.0
|
Medi 2002
|
70244.0
|
Hydref 2002
|
70968.0
|
Tachwedd 2002
|
73146.0
|
Rhagfyr 2002
|
73927.0
|
Ionawr 2003
|
74543.0
|
Chwefror 2003
|
74303.0
|
Mawrth 2003
|
75289.0
|
Ebrill 2003
|
79006.0
|
Mai 2003
|
81180.0
|
Mehefin 2003
|
82393.0
|
Gorffennaf 2003
|
85338.0
|
Awst 2003
|
87674.0
|
Medi 2003
|
87845.0
|
Hydref 2003
|
89861.0
|
Tachwedd 2003
|
91567.0
|
Rhagfyr 2003
|
94319.0
|
Ionawr 2004
|
93631.0
|
Chwefror 2004
|
94867.0
|
Mawrth 2004
|
96468.0
|
Ebrill 2004
|
102584.0
|
Mai 2004
|
106082.0
|
Mehefin 2004
|
109116.0
|
Gorffennaf 2004
|
114068.0
|
Awst 2004
|
115269.0
|
Medi 2004
|
115668.0
|
Hydref 2004
|
116380.0
|
Tachwedd 2004
|
117818.0
|
Rhagfyr 2004
|
117738.0
|
Ionawr 2005
|
116548.0
|
Chwefror 2005
|
114957.0
|
Mawrth 2005
|
118040.0
|
Ebrill 2005
|
120296.0
|
Mai 2005
|
122925.0
|
Mehefin 2005
|
124811.0
|
Gorffennaf 2005
|
126291.0
|
Awst 2005
|
127417.0
|
Medi 2005
|
127566.0
|
Hydref 2005
|
127024.0
|
Tachwedd 2005
|
127369.0
|
Rhagfyr 2005
|
129490.0
|
Ionawr 2006
|
127245.0
|
Chwefror 2006
|
128405.0
|
Mawrth 2006
|
128180.0
|
Ebrill 2006
|
132824.0
|
Mai 2006
|
133334.0
|
Mehefin 2006
|
135550.0
|
Gorffennaf 2006
|
136933.0
|
Awst 2006
|
137535.0
|
Medi 2006
|
138468.0
|
Hydref 2006
|
138396.0
|
Tachwedd 2006
|
139618.0
|
Rhagfyr 2006
|
141006.0
|
Ionawr 2007
|
140045.0
|
Chwefror 2007
|
140725.0
|
Mawrth 2007
|
141323.0
|
Ebrill 2007
|
143887.0
|
Mai 2007
|
144898.0
|
Mehefin 2007
|
147183.0
|
Gorffennaf 2007
|
147440.0
|
Awst 2007
|
148986.0
|
Medi 2007
|
148400.0
|
Hydref 2007
|
148578.0
|
Tachwedd 2007
|
148054.0
|
Rhagfyr 2007
|
149521.0
|
Ionawr 2008
|
145441.0
|
Chwefror 2008
|
143655.0
|
Mawrth 2008
|
142105.0
|
Ebrill 2008
|
144449.0
|
Mai 2008
|
143935.0
|
Mehefin 2008
|
143348.0
|
Gorffennaf 2008
|
141295.0
|
Awst 2008
|
139856.0
|
Medi 2008
|
135360.0
|
Hydref 2008
|
133997.0
|
Tachwedd 2008
|
130395.0
|
Rhagfyr 2008
|
129414.0
|
Ionawr 2009
|
125071.0
|
Chwefror 2009
|
124461.0
|
Mawrth 2009
|
122130.0
|
Ebrill 2009
|
125323.0
|
Mai 2009
|
125977.0
|
Mehefin 2009
|
126635.0
|
Gorffennaf 2009
|
128694.0
|
Awst 2009
|
129730.0
|
Medi 2009
|
130159.0
|
Hydref 2009
|
131322.0
|
Tachwedd 2009
|
131710.0
|
Rhagfyr 2009
|
133748.0
|
Ionawr 2010
|
129711.0
|
Chwefror 2010
|
131339.0
|
Mawrth 2010
|
129413.0
|
Ebrill 2010
|
132442.0
|
Mai 2010
|
132608.0
|
Mehefin 2010
|
133028.0
|
Gorffennaf 2010
|
132522.0
|
Awst 2010
|
134047.0
|
Medi 2010
|
132478.0
|
Hydref 2010
|
131213.0
|
Tachwedd 2010
|
129478.0
|
Rhagfyr 2010
|
129361.0
|
Ionawr 2011
|
127862.0
|
Chwefror 2011
|
126926.0
|
Mawrth 2011
|
125722.0
|
Ebrill 2011
|
127487.0
|
Mai 2011
|
126639.0
|
Mehefin 2011
|
126553.0
|
Gorffennaf 2011
|
128161.0
|
Awst 2011
|
129488.0
|
Medi 2011
|
128590.0
|
Hydref 2011
|
127794.0
|
Tachwedd 2011
|
125332.0
|
Rhagfyr 2011
|
126028.0
|
Ionawr 2012
|
123917.0
|
Chwefror 2012
|
125480.0
|
Mawrth 2012
|
125859.0
|
Ebrill 2012
|
126356.0
|
Mai 2012
|
125577.0
|
Mehefin 2012
|
127943.0
|
Gorffennaf 2012
|
127423.0
|
Awst 2012
|
128434.0
|
Medi 2012
|
128242.0
|
Hydref 2012
|
125056.0
|
Tachwedd 2012
|
126923.0
|
Rhagfyr 2012
|
125768.0
|
Ionawr 2013
|
122832.0
|
Chwefror 2013
|
125276.0
|
Mawrth 2013
|
124849.0
|
Ebrill 2013
|
125470.0
|
Mai 2013
|
126097.0
|
Mehefin 2013
|
127682.0
|
Gorffennaf 2013
|
127862.0
|
Awst 2013
|
129658.0
|
Medi 2013
|
129294.0
|
Hydref 2013
|
127023.0
|
Tachwedd 2013
|
128024.0
|
Rhagfyr 2013
|
129133.0
|
Ionawr 2014
|
127762.0
|
Chwefror 2014
|
129080.0
|
Mawrth 2014
|
127839.0
|
Ebrill 2014
|
131350.0
|
Mai 2014
|
131803.0
|
Mehefin 2014
|
133675.0
|
Gorffennaf 2014
|
134523.0
|
Awst 2014
|
136225.0
|
Medi 2014
|
136010.0
|
Hydref 2014
|
135234.0
|
Tachwedd 2014
|
134849.0
|
Rhagfyr 2014
|
134455.0
|
Ionawr 2015
|
133728.0
|
Chwefror 2015
|
134757.0
|
Mawrth 2015
|
132891.0
|
Ebrill 2015
|
134924.0
|
Mai 2015
|
137414.0
|
Mehefin 2015
|
137037.0
|
Gorffennaf 2015
|
139236.0
|
Awst 2015
|
140278.0
|
Medi 2015
|
140501.0
|
Hydref 2015
|
139806.0
|
Tachwedd 2015
|
140600.0
|
Rhagfyr 2015
|
140352.0
|
Ionawr 2016
|
140783.0
|
Chwefror 2016
|
140804.0
|
Mawrth 2016
|
139386.0
|
Ebrill 2016
|
143982.0
|
Mai 2016
|
144862.0
|
Mehefin 2016
|
145616.0
|
Gorffennaf 2016
|
147780.0
|
Awst 2016
|
147669.0
|
Medi 2016
|
147443.0
|
Hydref 2016
|
145612.0
|
Tachwedd 2016
|
146985.0
|
Rhagfyr 2016
|
146826.0
|
Ionawr 2017
|
146439.0
|
Chwefror 2017
|
148055.0
|
Mawrth 2017
|
146719.0
|
Ebrill 2017
|
149412.0
|
Mai 2017
|
150276.0
|
Mehefin 2017
|
152240.0
|
Gorffennaf 2017
|
153881.0
|
Awst 2017
|
155437.0
|
Medi 2017
|
154837.0
|
Hydref 2017
|
154350.0
|
Tachwedd 2017
|
154965.0
|
Rhagfyr 2017
|
155934.0
|
Ionawr 2018
|
152523.0
|
Chwefror 2018
|
153918.0
|
Mawrth 2018
|
152742.0
|
Ebrill 2018
|
154710.0
|
Mai 2018
|
156014.0
|
Mehefin 2018
|
157493.0
|
Gorffennaf 2018
|
159442.0
|
Awst 2018
|
160099.0
|
Medi 2018
|
160112.0
|
Hydref 2018
|
160572.0
|
Tachwedd 2018
|
160563.0
|
Rhagfyr 2018
|
159814.0
|
Ionawr 2019
|
158275.0
|
Chwefror 2019
|
158461.0
|
Mawrth 2019
|
157475.0
|
Ebrill 2019
|
158990.0
|
Mai 2019
|
160952.0
|
Mehefin 2019
|
160994.0
|
Gorffennaf 2019
|
162613.0
|
Awst 2019
|
164686.0
|
Medi 2019
|
163859.0
|
Hydref 2019
|
163569.0
|
Tachwedd 2019
|
163646.0
|
Rhagfyr 2019
|
162637.0
|
Ionawr 2020
|
161033.0
|
Chwefror 2020
|
161984.0
|
Mawrth 2020
|
163380.0
|
Ebrill 2020
|
160109.0
|
Mai 2020
|
160525.0
|
Mehefin 2020
|
166261.0
|
Gorffennaf 2020
|
168129.0
|
Awst 2020
|
170194.0
|
Medi 2020
|
171377.0
|
Hydref 2020
|
175170.0
|
Tachwedd 2020
|
176355.0
|
Rhagfyr 2020
|
179227.0
|
Ionawr 2021
|
181057.0
|
Chwefror 2021
|
183565.0
|
Mawrth 2021
|
186394.0
|
Ebrill 2021
|
182520.0
|
Mai 2021
|
183362.0
|
Mehefin 2021
|
199402.0
|
Gorffennaf 2021
|
181584.0
|
Awst 2021
|
189866.0
|
Medi 2021
|
199295.0
|
Hydref 2021
|
188359.0
|
Tachwedd 2021
|
193929.0
|
Rhagfyr 2021
|
197839.0
|
Ionawr 2022
|
198719.0
|
Chwefror 2022
|
198687.0
|
Mawrth 2022
|
199817.0
|
Ebrill 2022
|
203134.0
|
Mai 2022
|
204982.0
|
Mehefin 2022
|
206716.0
|
Gorffennaf 2022
|
212408.0
|
Awst 2022
|
213724.0
|
Medi 2022
|
216036.0
|
Hydref 2022
|
215366.0
|
Tachwedd 2022
|
215781.0
|
Rhagfyr 2022
|
214208.0
|
Ionawr 2023
|
210327.0
|
Chwefror 2023
|
208264.0
|
Mawrth 2023
|
205938.0
|
Ebrill 2023
|
206170.0
|
Mai 2023
|
208073.0
|
Mehefin 2023
|
209644.0
|
Gorffennaf 2023
|
211305.0
|
Awst 2023
|
211792.0
|
Medi 2023
|
212150.0
|
Hydref 2023
|
211978.0
|
Tachwedd 2023
|
211313.0
|
Rhagfyr 2023
|
212274.0
|
Dyddiad
|
Eiddo presennol
|
Ionawr 2000
|
7.8
|
Chwefror 2000
|
7.4
|
Mawrth 2000
|
9.2
|
Ebrill 2000
|
8.6
|
Mai 2000
|
7.4
|
Mehefin 2000
|
6.7
|
Gorffennaf 2000
|
6.8
|
Awst 2000
|
7.0
|
Medi 2000
|
6.5
|
Hydref 2000
|
7.3
|
Tachwedd 2000
|
6.7
|
Rhagfyr 2000
|
7.6
|
Ionawr 2001
|
8.8
|
Chwefror 2001
|
8.3
|
Mawrth 2001
|
6.0
|
Ebrill 2001
|
6.8
|
Mai 2001
|
7.5
|
Mehefin 2001
|
10.5
|
Gorffennaf 2001
|
10.4
|
Awst 2001
|
10.2
|
Medi 2001
|
11.1
|
Hydref 2001
|
10.3
|
Tachwedd 2001
|
10.8
|
Rhagfyr 2001
|
10.9
|
Ionawr 2002
|
10.5
|
Chwefror 2002
|
11.0
|
Mawrth 2002
|
14.1
|
Ebrill 2002
|
12.1
|
Mai 2002
|
16.5
|
Mehefin 2002
|
15.3
|
Gorffennaf 2002
|
17.8
|
Awst 2002
|
18.2
|
Medi 2002
|
17.5
|
Hydref 2002
|
18.9
|
Tachwedd 2002
|
21.8
|
Rhagfyr 2002
|
21.6
|
Ionawr 2003
|
23.6
|
Chwefror 2003
|
24.0
|
Mawrth 2003
|
21.2
|
Ebrill 2003
|
25.5
|
Mai 2003
|
23.4
|
Mehefin 2003
|
23.3
|
Gorffennaf 2003
|
23.3
|
Awst 2003
|
25.0
|
Medi 2003
|
25.1
|
Hydref 2003
|
26.6
|
Tachwedd 2003
|
25.2
|
Rhagfyr 2003
|
27.6
|
Ionawr 2004
|
25.6
|
Chwefror 2004
|
27.7
|
Mawrth 2004
|
28.1
|
Ebrill 2004
|
29.8
|
Mai 2004
|
30.7
|
Mehefin 2004
|
32.4
|
Gorffennaf 2004
|
33.7
|
Awst 2004
|
31.5
|
Medi 2004
|
31.7
|
Hydref 2004
|
29.5
|
Tachwedd 2004
|
28.7
|
Rhagfyr 2004
|
24.8
|
Ionawr 2005
|
24.5
|
Chwefror 2005
|
21.2
|
Mawrth 2005
|
22.4
|
Ebrill 2005
|
17.3
|
Mai 2005
|
15.9
|
Mehefin 2005
|
14.4
|
Gorffennaf 2005
|
10.7
|
Awst 2005
|
10.5
|
Medi 2005
|
10.3
|
Hydref 2005
|
9.2
|
Tachwedd 2005
|
8.1
|
Rhagfyr 2005
|
10.0
|
Ionawr 2006
|
9.2
|
Chwefror 2006
|
11.7
|
Mawrth 2006
|
8.6
|
Ebrill 2006
|
10.4
|
Mai 2006
|
8.5
|
Mehefin 2006
|
8.6
|
Gorffennaf 2006
|
8.4
|
Awst 2006
|
7.9
|
Medi 2006
|
8.6
|
Hydref 2006
|
9.0
|
Tachwedd 2006
|
9.6
|
Rhagfyr 2006
|
8.9
|
Ionawr 2007
|
10.1
|
Chwefror 2007
|
9.6
|
Mawrth 2007
|
10.2
|
Ebrill 2007
|
8.3
|
Mai 2007
|
8.7
|
Mehefin 2007
|
8.6
|
Gorffennaf 2007
|
7.7
|
Awst 2007
|
8.3
|
Medi 2007
|
7.2
|
Hydref 2007
|
7.4
|
Tachwedd 2007
|
6.0
|
Rhagfyr 2007
|
6.0
|
Ionawr 2008
|
3.8
|
Chwefror 2008
|
2.1
|
Mawrth 2008
|
0.6
|
Ebrill 2008
|
0.4
|
Mai 2008
|
-0.7
|
Mehefin 2008
|
-2.6
|
Gorffennaf 2008
|
-4.2
|
Awst 2008
|
-6.1
|
Medi 2008
|
-8.8
|
Hydref 2008
|
-9.8
|
Tachwedd 2008
|
-11.9
|
Rhagfyr 2008
|
-13.4
|
Ionawr 2009
|
-14.0
|
Chwefror 2009
|
-13.4
|
Mawrth 2009
|
-14.1
|
Ebrill 2009
|
-13.2
|
Mai 2009
|
-12.5
|
Mehefin 2009
|
-11.7
|
Gorffennaf 2009
|
-8.9
|
Awst 2009
|
-7.2
|
Medi 2009
|
-3.8
|
Hydref 2009
|
-2.0
|
Tachwedd 2009
|
1.0
|
Rhagfyr 2009
|
3.4
|
Ionawr 2010
|
3.7
|
Chwefror 2010
|
5.5
|
Mawrth 2010
|
6.0
|
Ebrill 2010
|
5.7
|
Mai 2010
|
5.3
|
Mehefin 2010
|
5.0
|
Gorffennaf 2010
|
3.0
|
Awst 2010
|
3.3
|
Medi 2010
|
1.8
|
Hydref 2010
|
-0.1
|
Tachwedd 2010
|
-1.7
|
Rhagfyr 2010
|
-3.3
|
Ionawr 2011
|
-1.4
|
Chwefror 2011
|
-3.4
|
Mawrth 2011
|
-2.8
|
Ebrill 2011
|
-3.7
|
Mai 2011
|
-4.5
|
Mehefin 2011
|
-4.9
|
Gorffennaf 2011
|
-3.3
|
Awst 2011
|
-3.4
|
Medi 2011
|
-2.9
|
Hydref 2011
|
-2.6
|
Tachwedd 2011
|
-3.2
|
Rhagfyr 2011
|
-2.6
|
Ionawr 2012
|
-3.1
|
Chwefror 2012
|
-1.1
|
Mawrth 2012
|
0.1
|
Ebrill 2012
|
-0.9
|
Mai 2012
|
-0.8
|
Mehefin 2012
|
1.1
|
Gorffennaf 2012
|
-0.6
|
Awst 2012
|
-0.8
|
Medi 2012
|
-0.3
|
Hydref 2012
|
-2.1
|
Tachwedd 2012
|
1.3
|
Rhagfyr 2012
|
-0.2
|
Ionawr 2013
|
-0.9
|
Chwefror 2013
|
-0.2
|
Mawrth 2013
|
-0.8
|
Ebrill 2013
|
-0.7
|
Mai 2013
|
0.4
|
Mehefin 2013
|
-0.2
|
Gorffennaf 2013
|
0.3
|
Awst 2013
|
1.0
|
Medi 2013
|
0.8
|
Hydref 2013
|
1.6
|
Tachwedd 2013
|
0.9
|
Rhagfyr 2013
|
2.7
|
Ionawr 2014
|
4.0
|
Chwefror 2014
|
3.0
|
Mawrth 2014
|
2.4
|
Ebrill 2014
|
4.7
|
Mai 2014
|
4.5
|
Mehefin 2014
|
4.7
|
Gorffennaf 2014
|
5.2
|
Awst 2014
|
5.1
|
Medi 2014
|
5.2
|
Hydref 2014
|
6.5
|
Tachwedd 2014
|
5.3
|
Rhagfyr 2014
|
4.1
|
Ionawr 2015
|
4.7
|
Chwefror 2015
|
4.4
|
Mawrth 2015
|
4.0
|
Ebrill 2015
|
2.7
|
Mai 2015
|
4.3
|
Mehefin 2015
|
2.5
|
Gorffennaf 2015
|
3.5
|
Awst 2015
|
3.0
|
Medi 2015
|
3.3
|
Hydref 2015
|
3.4
|
Tachwedd 2015
|
4.3
|
Rhagfyr 2015
|
4.4
|
Ionawr 2016
|
5.3
|
Chwefror 2016
|
4.5
|
Mawrth 2016
|
4.9
|
Ebrill 2016
|
6.7
|
Mai 2016
|
5.4
|
Mehefin 2016
|
6.3
|
Gorffennaf 2016
|
6.1
|
Awst 2016
|
5.3
|
Medi 2016
|
4.9
|
Hydref 2016
|
4.2
|
Tachwedd 2016
|
4.5
|
Rhagfyr 2016
|
4.6
|
Ionawr 2017
|
4.0
|
Chwefror 2017
|
5.2
|
Mawrth 2017
|
5.3
|
Ebrill 2017
|
3.8
|
Mai 2017
|
3.7
|
Mehefin 2017
|
4.6
|
Gorffennaf 2017
|
4.1
|
Awst 2017
|
5.3
|
Medi 2017
|
5.0
|
Hydref 2017
|
6.0
|
Tachwedd 2017
|
5.4
|
Rhagfyr 2017
|
6.2
|
Ionawr 2018
|
4.2
|
Chwefror 2018
|
4.0
|
Mawrth 2018
|
4.1
|
Ebrill 2018
|
3.6
|
Mai 2018
|
3.8
|
Mehefin 2018
|
3.4
|
Gorffennaf 2018
|
3.6
|
Awst 2018
|
3.0
|
Medi 2018
|
3.4
|
Hydref 2018
|
4.0
|
Tachwedd 2018
|
3.6
|
Rhagfyr 2018
|
2.5
|
Ionawr 2019
|
3.8
|
Chwefror 2019
|
3.0
|
Mawrth 2019
|
3.1
|
Ebrill 2019
|
2.8
|
Mai 2019
|
3.2
|
Mehefin 2019
|
2.2
|
Gorffennaf 2019
|
2.0
|
Awst 2019
|
2.9
|
Medi 2019
|
2.3
|
Hydref 2019
|
1.9
|
Tachwedd 2019
|
1.9
|
Rhagfyr 2019
|
1.8
|
Ionawr 2020
|
1.7
|
Chwefror 2020
|
2.2
|
Mawrth 2020
|
3.8
|
Ebrill 2020
|
0.7
|
Mai 2020
|
-0.3
|
Mehefin 2020
|
3.3
|
Gorffennaf 2020
|
3.4
|
Awst 2020
|
3.3
|
Medi 2020
|
4.6
|
Hydref 2020
|
7.1
|
Tachwedd 2020
|
7.8
|
Rhagfyr 2020
|
10.2
|
Ionawr 2021
|
12.4
|
Chwefror 2021
|
13.3
|
Mawrth 2021
|
14.1
|
Ebrill 2021
|
14.0
|
Mai 2021
|
14.2
|
Mehefin 2021
|
19.9
|
Gorffennaf 2021
|
8.0
|
Awst 2021
|
11.6
|
Medi 2021
|
16.3
|
Hydref 2021
|
7.5
|
Tachwedd 2021
|
10.0
|
Rhagfyr 2021
|
10.4
|
Ionawr 2022
|
9.8
|
Chwefror 2022
|
8.2
|
Mawrth 2022
|
7.2
|
Ebrill 2022
|
11.3
|
Mai 2022
|
11.8
|
Mehefin 2022
|
3.7
|
Gorffennaf 2022
|
17.0
|
Awst 2022
|
12.6
|
Medi 2022
|
8.4
|
Hydref 2022
|
14.3
|
Tachwedd 2022
|
11.3
|
Rhagfyr 2022
|
8.3
|
Ionawr 2023
|
5.8
|
Chwefror 2023
|
4.8
|
Mawrth 2023
|
3.1
|
Ebrill 2023
|
1.5
|
Mai 2023
|
1.5
|
Mehefin 2023
|
1.4
|
Gorffennaf 2023
|
-0.5
|
Awst 2023
|
-0.9
|
Medi 2023
|
-1.8
|
Hydref 2023
|
-1.6
|
Tachwedd 2023
|
-2.1
|
Rhagfyr 2023
|
-0.9
|
Dyddiad
|
Eiddo presennol
|
Ionawr 2000
|
-1.5
|
Chwefror 2000
|
-0.6
|
Mawrth 2000
|
3.0
|
Ebrill 2000
|
2.4
|
Mai 2000
|
-0.1
|
Mehefin 2000
|
-0.2
|
Gorffennaf 2000
|
1.5
|
Awst 2000
|
1.1
|
Medi 2000
|
-0.0
|
Hydref 2000
|
0.5
|
Tachwedd 2000
|
0.2
|
Rhagfyr 2000
|
1.2
|
Ionawr 2001
|
-0.4
|
Chwefror 2001
|
-1.1
|
Mawrth 2001
|
0.8
|
Ebrill 2001
|
3.2
|
Mai 2001
|
0.5
|
Mehefin 2001
|
2.6
|
Gorffennaf 2001
|
1.4
|
Awst 2001
|
1.0
|
Medi 2001
|
0.8
|
Hydref 2001
|
-0.2
|
Tachwedd 2001
|
0.7
|
Rhagfyr 2001
|
1.2
|
Ionawr 2002
|
-0.7
|
Chwefror 2002
|
-0.7
|
Mawrth 2002
|
3.6
|
Ebrill 2002
|
1.4
|
Mai 2002
|
4.5
|
Mehefin 2002
|
1.6
|
Gorffennaf 2002
|
3.5
|
Awst 2002
|
1.4
|
Medi 2002
|
0.1
|
Hydref 2002
|
1.0
|
Tachwedd 2002
|
3.1
|
Rhagfyr 2002
|
1.1
|
Ionawr 2003
|
0.8
|
Chwefror 2003
|
-0.3
|
Mawrth 2003
|
1.3
|
Ebrill 2003
|
4.9
|
Mai 2003
|
2.8
|
Mehefin 2003
|
1.5
|
Gorffennaf 2003
|
3.6
|
Awst 2003
|
2.7
|
Medi 2003
|
0.2
|
Hydref 2003
|
2.3
|
Tachwedd 2003
|
1.9
|
Rhagfyr 2003
|
3.0
|
Ionawr 2004
|
-0.7
|
Chwefror 2004
|
1.3
|
Mawrth 2004
|
1.7
|
Ebrill 2004
|
6.3
|
Mai 2004
|
3.4
|
Mehefin 2004
|
2.9
|
Gorffennaf 2004
|
4.5
|
Awst 2004
|
1.0
|
Medi 2004
|
0.4
|
Hydref 2004
|
0.6
|
Tachwedd 2004
|
1.2
|
Rhagfyr 2004
|
-0.1
|
Ionawr 2005
|
-1.0
|
Chwefror 2005
|
-1.4
|
Mawrth 2005
|
2.7
|
Ebrill 2005
|
1.9
|
Mai 2005
|
2.2
|
Mehefin 2005
|
1.5
|
Gorffennaf 2005
|
1.2
|
Awst 2005
|
0.9
|
Medi 2005
|
0.1
|
Hydref 2005
|
-0.4
|
Tachwedd 2005
|
0.3
|
Rhagfyr 2005
|
1.7
|
Ionawr 2006
|
-1.7
|
Chwefror 2006
|
0.9
|
Mawrth 2006
|
-0.2
|
Ebrill 2006
|
3.6
|
Mai 2006
|
0.4
|
Mehefin 2006
|
1.7
|
Gorffennaf 2006
|
1.0
|
Awst 2006
|
0.4
|
Medi 2006
|
0.7
|
Hydref 2006
|
-0.1
|
Tachwedd 2006
|
0.9
|
Rhagfyr 2006
|
1.0
|
Ionawr 2007
|
-0.7
|
Chwefror 2007
|
0.5
|
Mawrth 2007
|
0.4
|
Ebrill 2007
|
1.8
|
Mai 2007
|
0.7
|
Mehefin 2007
|
1.6
|
Gorffennaf 2007
|
0.2
|
Awst 2007
|
1.0
|
Medi 2007
|
-0.4
|
Hydref 2007
|
0.1
|
Tachwedd 2007
|
-0.4
|
Rhagfyr 2007
|
1.0
|
Ionawr 2008
|
-2.7
|
Chwefror 2008
|
-1.2
|
Mawrth 2008
|
-1.1
|
Ebrill 2008
|
1.6
|
Mai 2008
|
-0.4
|
Mehefin 2008
|
-0.4
|
Gorffennaf 2008
|
-1.4
|
Awst 2008
|
-1.0
|
Medi 2008
|
-3.2
|
Hydref 2008
|
-1.0
|
Tachwedd 2008
|
-2.7
|
Rhagfyr 2008
|
-0.8
|
Ionawr 2009
|
-3.4
|
Chwefror 2009
|
-0.5
|
Mawrth 2009
|
-1.9
|
Ebrill 2009
|
2.6
|
Mai 2009
|
0.5
|
Mehefin 2009
|
0.5
|
Gorffennaf 2009
|
1.6
|
Awst 2009
|
0.8
|
Medi 2009
|
0.3
|
Hydref 2009
|
0.9
|
Tachwedd 2009
|
0.3
|
Rhagfyr 2009
|
1.6
|
Ionawr 2010
|
-3.0
|
Chwefror 2010
|
1.2
|
Mawrth 2010
|
-1.5
|
Ebrill 2010
|
2.3
|
Mai 2010
|
0.1
|
Mehefin 2010
|
0.3
|
Gorffennaf 2010
|
-0.4
|
Awst 2010
|
1.2
|
Medi 2010
|
-1.2
|
Hydref 2010
|
-1.0
|
Tachwedd 2010
|
-1.3
|
Rhagfyr 2010
|
-0.1
|
Ionawr 2011
|
-1.2
|
Chwefror 2011
|
-0.7
|
Mawrth 2011
|
-1.0
|
Ebrill 2011
|
1.4
|
Mai 2011
|
-0.7
|
Mehefin 2011
|
-0.1
|
Gorffennaf 2011
|
1.3
|
Awst 2011
|
1.0
|
Medi 2011
|
-0.7
|
Hydref 2011
|
-0.6
|
Tachwedd 2011
|
-1.9
|
Rhagfyr 2011
|
0.6
|
Ionawr 2012
|
-1.7
|
Chwefror 2012
|
1.3
|
Mawrth 2012
|
0.3
|
Ebrill 2012
|
0.4
|
Mai 2012
|
-0.6
|
Mehefin 2012
|
1.9
|
Gorffennaf 2012
|
-0.4
|
Awst 2012
|
0.8
|
Medi 2012
|
-0.2
|
Hydref 2012
|
-2.5
|
Tachwedd 2012
|
1.5
|
Rhagfyr 2012
|
-0.9
|
Ionawr 2013
|
-2.3
|
Chwefror 2013
|
2.0
|
Mawrth 2013
|
-0.3
|
Ebrill 2013
|
0.5
|
Mai 2013
|
0.5
|
Mehefin 2013
|
1.3
|
Gorffennaf 2013
|
0.1
|
Awst 2013
|
1.4
|
Medi 2013
|
-0.3
|
Hydref 2013
|
-1.8
|
Tachwedd 2013
|
0.8
|
Rhagfyr 2013
|
0.9
|
Ionawr 2014
|
-1.1
|
Chwefror 2014
|
1.0
|
Mawrth 2014
|
-1.0
|
Ebrill 2014
|
2.8
|
Mai 2014
|
0.3
|
Mehefin 2014
|
1.4
|
Gorffennaf 2014
|
0.6
|
Awst 2014
|
1.3
|
Medi 2014
|
-0.2
|
Hydref 2014
|
-0.6
|
Tachwedd 2014
|
-0.3
|
Rhagfyr 2014
|
-0.3
|
Ionawr 2015
|
-0.5
|
Chwefror 2015
|
0.8
|
Mawrth 2015
|
-1.4
|
Ebrill 2015
|
1.5
|
Mai 2015
|
1.8
|
Mehefin 2015
|
-0.3
|
Gorffennaf 2015
|
1.6
|
Awst 2015
|
0.8
|
Medi 2015
|
0.2
|
Hydref 2015
|
-0.5
|
Tachwedd 2015
|
0.6
|
Rhagfyr 2015
|
-0.2
|
Ionawr 2016
|
0.3
|
Chwefror 2016
|
0.0
|
Mawrth 2016
|
-1.0
|
Ebrill 2016
|
3.3
|
Mai 2016
|
0.6
|
Mehefin 2016
|
0.5
|
Gorffennaf 2016
|
1.5
|
Awst 2016
|
-0.1
|
Medi 2016
|
-0.2
|
Hydref 2016
|
-1.2
|
Tachwedd 2016
|
0.9
|
Rhagfyr 2016
|
-0.1
|
Ionawr 2017
|
-0.3
|
Chwefror 2017
|
1.1
|
Mawrth 2017
|
-0.9
|
Ebrill 2017
|
1.8
|
Mai 2017
|
0.6
|
Mehefin 2017
|
1.3
|
Gorffennaf 2017
|
1.1
|
Awst 2017
|
1.0
|
Medi 2017
|
-0.4
|
Hydref 2017
|
-0.3
|
Tachwedd 2017
|
0.4
|
Rhagfyr 2017
|
0.6
|
Ionawr 2018
|
-2.2
|
Chwefror 2018
|
0.9
|
Mawrth 2018
|
-0.8
|
Ebrill 2018
|
1.3
|
Mai 2018
|
0.8
|
Mehefin 2018
|
1.0
|
Gorffennaf 2018
|
1.2
|
Awst 2018
|
0.4
|
Medi 2018
|
0.0
|
Hydref 2018
|
0.3
|
Tachwedd 2018
|
-0.0
|
Rhagfyr 2018
|
-0.5
|
Ionawr 2019
|
-1.0
|
Chwefror 2019
|
0.1
|
Mawrth 2019
|
-0.6
|
Ebrill 2019
|
1.0
|
Mai 2019
|
1.2
|
Mehefin 2019
|
0.0
|
Gorffennaf 2019
|
1.0
|
Awst 2019
|
1.3
|
Medi 2019
|
-0.5
|
Hydref 2019
|
-0.2
|
Tachwedd 2019
|
0.1
|
Rhagfyr 2019
|
-0.6
|
Ionawr 2020
|
-1.0
|
Chwefror 2020
|
0.6
|
Mawrth 2020
|
0.9
|
Ebrill 2020
|
-2.0
|
Mai 2020
|
0.3
|
Mehefin 2020
|
3.6
|
Gorffennaf 2020
|
1.1
|
Awst 2020
|
1.2
|
Medi 2020
|
0.7
|
Hydref 2020
|
2.2
|
Tachwedd 2020
|
0.7
|
Rhagfyr 2020
|
1.6
|
Ionawr 2021
|
1.0
|
Chwefror 2021
|
1.4
|
Mawrth 2021
|
1.5
|
Ebrill 2021
|
-2.1
|
Mai 2021
|
0.5
|
Mehefin 2021
|
8.7
|
Gorffennaf 2021
|
-8.9
|
Awst 2021
|
4.6
|
Medi 2021
|
5.0
|
Hydref 2021
|
-5.5
|
Tachwedd 2021
|
3.0
|
Rhagfyr 2021
|
2.0
|
Ionawr 2022
|
0.4
|
Chwefror 2022
|
0.0
|
Mawrth 2022
|
0.6
|
Ebrill 2022
|
1.7
|
Mai 2022
|
0.9
|
Mehefin 2022
|
0.8
|
Gorffennaf 2022
|
2.8
|
Awst 2022
|
0.6
|
Medi 2022
|
1.1
|
Hydref 2022
|
-0.3
|
Tachwedd 2022
|
0.2
|
Rhagfyr 2022
|
-0.7
|
Ionawr 2023
|
-1.8
|
Chwefror 2023
|
-1.0
|
Mawrth 2023
|
-1.1
|
Ebrill 2023
|
0.1
|
Mai 2023
|
0.9
|
Mehefin 2023
|
0.8
|
Gorffennaf 2023
|
0.8
|
Awst 2023
|
0.2
|
Medi 2023
|
0.2
|
Hydref 2023
|
-0.1
|
Tachwedd 2023
|
-0.3
|
Rhagfyr 2023
|
0.5
|
Dyddiad
|
Eiddo presennol
|
Ionawr 2000
|
37.5
|
Chwefror 2000
|
37.3
|
Mawrth 2000
|
38.4
|
Ebrill 2000
|
39.3
|
Mai 2000
|
39.3
|
Mehefin 2000
|
39.2
|
Gorffennaf 2000
|
39.8
|
Awst 2000
|
40.3
|
Medi 2000
|
40.2
|
Hydref 2000
|
40.4
|
Tachwedd 2000
|
40.5
|
Rhagfyr 2000
|
41.0
|
Ionawr 2001
|
40.8
|
Chwefror 2001
|
40.4
|
Mawrth 2001
|
40.7
|
Ebrill 2001
|
42.0
|
Mai 2001
|
42.2
|
Mehefin 2001
|
43.3
|
Gorffennaf 2001
|
43.9
|
Awst 2001
|
44.4
|
Medi 2001
|
44.7
|
Hydref 2001
|
44.6
|
Tachwedd 2001
|
44.9
|
Rhagfyr 2001
|
45.4
|
Ionawr 2002
|
45.1
|
Chwefror 2002
|
44.8
|
Mawrth 2002
|
46.4
|
Ebrill 2002
|
47.1
|
Mai 2002
|
49.2
|
Mehefin 2002
|
50.0
|
Gorffennaf 2002
|
51.8
|
Awst 2002
|
52.5
|
Medi 2002
|
52.5
|
Hydref 2002
|
53.1
|
Tachwedd 2002
|
54.7
|
Rhagfyr 2002
|
55.3
|
Ionawr 2003
|
55.7
|
Chwefror 2003
|
55.6
|
Mawrth 2003
|
56.3
|
Ebrill 2003
|
59.1
|
Mai 2003
|
60.7
|
Mehefin 2003
|
61.6
|
Gorffennaf 2003
|
63.8
|
Awst 2003
|
65.6
|
Medi 2003
|
65.7
|
Hydref 2003
|
67.2
|
Tachwedd 2003
|
68.5
|
Rhagfyr 2003
|
70.5
|
Ionawr 2004
|
70.0
|
Chwefror 2004
|
70.9
|
Mawrth 2004
|
72.1
|
Ebrill 2004
|
76.7
|
Mai 2004
|
79.3
|
Mehefin 2004
|
81.6
|
Gorffennaf 2004
|
85.3
|
Awst 2004
|
86.2
|
Medi 2004
|
86.5
|
Hydref 2004
|
87.0
|
Tachwedd 2004
|
88.1
|
Rhagfyr 2004
|
88.0
|
Ionawr 2005
|
87.2
|
Chwefror 2005
|
86.0
|
Mawrth 2005
|
88.3
|
Ebrill 2005
|
90.0
|
Mai 2005
|
91.9
|
Mehefin 2005
|
93.3
|
Gorffennaf 2005
|
94.4
|
Awst 2005
|
95.3
|
Medi 2005
|
95.4
|
Hydref 2005
|
95.0
|
Tachwedd 2005
|
95.2
|
Rhagfyr 2005
|
96.8
|
Ionawr 2006
|
95.2
|
Chwefror 2006
|
96.0
|
Mawrth 2006
|
95.8
|
Ebrill 2006
|
99.3
|
Mai 2006
|
99.7
|
Mehefin 2006
|
101.4
|
Gorffennaf 2006
|
102.4
|
Awst 2006
|
102.8
|
Medi 2006
|
103.5
|
Hydref 2006
|
103.5
|
Tachwedd 2006
|
104.4
|
Rhagfyr 2006
|
105.4
|
Ionawr 2007
|
104.7
|
Chwefror 2007
|
105.2
|
Mawrth 2007
|
105.7
|
Ebrill 2007
|
107.6
|
Mai 2007
|
108.4
|
Mehefin 2007
|
110.1
|
Gorffennaf 2007
|
110.2
|
Awst 2007
|
111.4
|
Medi 2007
|
111.0
|
Hydref 2007
|
111.1
|
Tachwedd 2007
|
110.7
|
Rhagfyr 2007
|
111.8
|
Ionawr 2008
|
108.8
|
Chwefror 2008
|
107.4
|
Mawrth 2008
|
106.3
|
Ebrill 2008
|
108.0
|
Mai 2008
|
107.6
|
Mehefin 2008
|
107.2
|
Gorffennaf 2008
|
105.7
|
Awst 2008
|
104.6
|
Medi 2008
|
101.2
|
Hydref 2008
|
100.2
|
Tachwedd 2008
|
97.5
|
Rhagfyr 2008
|
96.8
|
Ionawr 2009
|
93.5
|
Chwefror 2009
|
93.1
|
Mawrth 2009
|
91.3
|
Ebrill 2009
|
93.7
|
Mai 2009
|
94.2
|
Mehefin 2009
|
94.7
|
Gorffennaf 2009
|
96.2
|
Awst 2009
|
97.0
|
Medi 2009
|
97.3
|
Hydref 2009
|
98.2
|
Tachwedd 2009
|
98.5
|
Rhagfyr 2009
|
100.0
|
Ionawr 2010
|
97.0
|
Chwefror 2010
|
98.2
|
Mawrth 2010
|
96.8
|
Ebrill 2010
|
99.0
|
Mai 2010
|
99.2
|
Mehefin 2010
|
99.5
|
Gorffennaf 2010
|
99.1
|
Awst 2010
|
100.2
|
Medi 2010
|
99.1
|
Hydref 2010
|
98.1
|
Tachwedd 2010
|
96.8
|
Rhagfyr 2010
|
96.7
|
Ionawr 2011
|
95.6
|
Chwefror 2011
|
94.9
|
Mawrth 2011
|
94.0
|
Ebrill 2011
|
95.3
|
Mai 2011
|
94.7
|
Mehefin 2011
|
94.6
|
Gorffennaf 2011
|
95.8
|
Awst 2011
|
96.8
|
Medi 2011
|
96.2
|
Hydref 2011
|
95.6
|
Tachwedd 2011
|
93.7
|
Rhagfyr 2011
|
94.2
|
Ionawr 2012
|
92.7
|
Chwefror 2012
|
93.8
|
Mawrth 2012
|
94.1
|
Ebrill 2012
|
94.5
|
Mai 2012
|
93.9
|
Mehefin 2012
|
95.7
|
Gorffennaf 2012
|
95.3
|
Awst 2012
|
96.0
|
Medi 2012
|
95.9
|
Hydref 2012
|
93.5
|
Tachwedd 2012
|
94.9
|
Rhagfyr 2012
|
94.0
|
Ionawr 2013
|
91.8
|
Chwefror 2013
|
93.7
|
Mawrth 2013
|
93.4
|
Ebrill 2013
|
93.8
|
Mai 2013
|
94.3
|
Mehefin 2013
|
95.5
|
Gorffennaf 2013
|
95.6
|
Awst 2013
|
97.0
|
Medi 2013
|
96.7
|
Hydref 2013
|
95.0
|
Tachwedd 2013
|
95.7
|
Rhagfyr 2013
|
96.6
|
Ionawr 2014
|
95.5
|
Chwefror 2014
|
96.5
|
Mawrth 2014
|
95.6
|
Ebrill 2014
|
98.2
|
Mai 2014
|
98.6
|
Mehefin 2014
|
100.0
|
Gorffennaf 2014
|
100.6
|
Awst 2014
|
101.9
|
Medi 2014
|
101.7
|
Hydref 2014
|
101.1
|
Tachwedd 2014
|
100.8
|
Rhagfyr 2014
|
100.5
|
Ionawr 2015
|
100.0
|
Chwefror 2015
|
100.8
|
Mawrth 2015
|
99.4
|
Ebrill 2015
|
100.9
|
Mai 2015
|
102.8
|
Mehefin 2015
|
102.5
|
Gorffennaf 2015
|
104.1
|
Awst 2015
|
104.9
|
Medi 2015
|
105.1
|
Hydref 2015
|
104.6
|
Tachwedd 2015
|
105.1
|
Rhagfyr 2015
|
105.0
|
Ionawr 2016
|
105.3
|
Chwefror 2016
|
105.3
|
Mawrth 2016
|
104.2
|
Ebrill 2016
|
107.7
|
Mai 2016
|
108.3
|
Mehefin 2016
|
108.9
|
Gorffennaf 2016
|
110.5
|
Awst 2016
|
110.4
|
Medi 2016
|
110.3
|
Hydref 2016
|
108.9
|
Tachwedd 2016
|
109.9
|
Rhagfyr 2016
|
109.8
|
Ionawr 2017
|
109.5
|
Chwefror 2017
|
110.7
|
Mawrth 2017
|
109.7
|
Ebrill 2017
|
111.7
|
Mai 2017
|
112.4
|
Mehefin 2017
|
113.8
|
Gorffennaf 2017
|
115.1
|
Awst 2017
|
116.2
|
Medi 2017
|
115.8
|
Hydref 2017
|
115.4
|
Tachwedd 2017
|
115.9
|
Rhagfyr 2017
|
116.6
|
Ionawr 2018
|
114.1
|
Chwefror 2018
|
115.1
|
Mawrth 2018
|
114.2
|
Ebrill 2018
|
115.7
|
Mai 2018
|
116.7
|
Mehefin 2018
|
117.8
|
Gorffennaf 2018
|
119.2
|
Awst 2018
|
119.7
|
Medi 2018
|
119.7
|
Hydref 2018
|
120.1
|
Tachwedd 2018
|
120.1
|
Rhagfyr 2018
|
119.5
|
Ionawr 2019
|
118.4
|
Chwefror 2019
|
118.5
|
Mawrth 2019
|
117.8
|
Ebrill 2019
|
118.9
|
Mai 2019
|
120.4
|
Mehefin 2019
|
120.4
|
Gorffennaf 2019
|
121.6
|
Awst 2019
|
123.2
|
Medi 2019
|
122.5
|
Hydref 2019
|
122.3
|
Tachwedd 2019
|
122.4
|
Rhagfyr 2019
|
121.6
|
Ionawr 2020
|
120.4
|
Chwefror 2020
|
121.1
|
Mawrth 2020
|
122.2
|
Ebrill 2020
|
119.7
|
Mai 2020
|
120.0
|
Mehefin 2020
|
124.3
|
Gorffennaf 2020
|
125.7
|
Awst 2020
|
127.3
|
Medi 2020
|
128.2
|
Hydref 2020
|
131.0
|
Tachwedd 2020
|
131.9
|
Rhagfyr 2020
|
134.0
|
Ionawr 2021
|
135.4
|
Chwefror 2021
|
137.3
|
Mawrth 2021
|
139.4
|
Ebrill 2021
|
136.5
|
Mai 2021
|
137.1
|
Mehefin 2021
|
149.1
|
Gorffennaf 2021
|
135.8
|
Awst 2021
|
142.0
|
Medi 2021
|
149.0
|
Hydref 2021
|
140.9
|
Tachwedd 2021
|
145.0
|
Rhagfyr 2021
|
147.9
|
Ionawr 2022
|
148.6
|
Chwefror 2022
|
148.6
|
Mawrth 2022
|
149.4
|
Ebrill 2022
|
151.9
|
Mai 2022
|
153.3
|
Mehefin 2022
|
154.6
|
Gorffennaf 2022
|
158.8
|
Awst 2022
|
159.8
|
Medi 2022
|
161.5
|
Hydref 2022
|
161.0
|
Tachwedd 2022
|
161.4
|
Rhagfyr 2022
|
160.2
|
Ionawr 2023
|
157.3
|
Chwefror 2023
|
155.7
|
Mawrth 2023
|
154.0
|
Ebrill 2023
|
154.2
|
Mai 2023
|
155.6
|
Mehefin 2023
|
156.8
|
Gorffennaf 2023
|
158.0
|
Awst 2023
|
158.4
|
Medi 2023
|
158.6
|
Hydref 2023
|
158.5
|
Tachwedd 2023
|
158.0
|
Rhagfyr 2023
|
158.7
|