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 pâr
|
Tai teras
|
Ionawr 2002
|
67380.0
|
101882.0
|
62104.0
|
46864.0
|
Chwefror 2002
|
69131.0
|
104542.0
|
63626.0
|
48154.0
|
Mawrth 2002
|
70011.0
|
105734.0
|
64470.0
|
48869.0
|
Ebrill 2002
|
72180.0
|
108711.0
|
66473.0
|
50539.0
|
Mai 2002
|
73929.0
|
110954.0
|
68247.0
|
51838.0
|
Mehefin 2002
|
76376.0
|
114547.0
|
70425.0
|
53674.0
|
Gorffennaf 2002
|
79939.0
|
119967.0
|
73708.0
|
56196.0
|
Awst 2002
|
81227.0
|
122021.0
|
74831.0
|
57096.0
|
Medi 2002
|
84971.0
|
127775.0
|
78402.0
|
59536.0
|
Hydref 2002
|
86112.0
|
129319.0
|
79600.0
|
60239.0
|
Tachwedd 2002
|
89512.0
|
134476.0
|
82745.0
|
62551.0
|
Rhagfyr 2002
|
90403.0
|
135307.0
|
83719.0
|
63271.0
|
Ionawr 2003
|
93092.0
|
139212.0
|
86062.0
|
65387.0
|
Chwefror 2003
|
91751.0
|
136693.0
|
85068.0
|
64513.0
|
Mawrth 2003
|
91465.0
|
136282.0
|
84734.0
|
64397.0
|
Ebrill 2003
|
92721.0
|
137607.0
|
86181.0
|
65314.0
|
Mai 2003
|
95877.0
|
142015.0
|
89114.0
|
67744.0
|
Mehefin 2003
|
97762.0
|
144597.0
|
90865.0
|
69188.0
|
Gorffennaf 2003
|
99931.0
|
147593.0
|
92939.0
|
70846.0
|
Awst 2003
|
102891.0
|
151857.0
|
95656.0
|
73044.0
|
Medi 2003
|
106033.0
|
156284.0
|
98622.0
|
75452.0
|
Hydref 2003
|
107529.0
|
158306.0
|
99905.0
|
76731.0
|
Tachwedd 2003
|
109442.0
|
160886.0
|
101754.0
|
78197.0
|
Rhagfyr 2003
|
111453.0
|
163010.0
|
103722.0
|
80025.0
|
Ionawr 2004
|
113157.0
|
165413.0
|
105278.0
|
81351.0
|
Chwefror 2004
|
114438.0
|
166777.0
|
106398.0
|
82614.0
|
Mawrth 2004
|
115798.0
|
168730.0
|
107515.0
|
83733.0
|
Ebrill 2004
|
118165.0
|
170782.0
|
109950.0
|
86048.0
|
Mai 2004
|
122241.0
|
175487.0
|
113845.0
|
89612.0
|
Mehefin 2004
|
128055.0
|
182941.0
|
119448.0
|
94188.0
|
Gorffennaf 2004
|
131864.0
|
188188.0
|
123085.0
|
97075.0
|
Awst 2004
|
133341.0
|
190497.0
|
124491.0
|
98034.0
|
Medi 2004
|
134734.0
|
192873.0
|
125667.0
|
99031.0
|
Hydref 2004
|
136405.0
|
195381.0
|
127041.0
|
100279.0
|
Tachwedd 2004
|
137496.0
|
196775.0
|
127964.0
|
101211.0
|
Rhagfyr 2004
|
136803.0
|
194955.0
|
127235.0
|
101187.0
|
Ionawr 2005
|
134421.0
|
191439.0
|
124809.0
|
99676.0
|
Chwefror 2005
|
139017.0
|
197685.0
|
129083.0
|
103209.0
|
Mawrth 2005
|
140277.0
|
199552.0
|
130291.0
|
104082.0
|
Ebrill 2005
|
141038.0
|
199815.0
|
131188.0
|
104867.0
|
Mai 2005
|
138752.0
|
196634.0
|
128864.0
|
103335.0
|
Mehefin 2005
|
139729.0
|
197300.0
|
129714.0
|
104454.0
|
Gorffennaf 2005
|
142756.0
|
201830.0
|
132495.0
|
106702.0
|
Awst 2005
|
144203.0
|
204062.0
|
133685.0
|
107893.0
|
Medi 2005
|
145043.0
|
205704.0
|
134287.0
|
108504.0
|
Hydref 2005
|
144964.0
|
205553.0
|
133982.0
|
108603.0
|
Tachwedd 2005
|
145092.0
|
205203.0
|
134190.0
|
108824.0
|
Rhagfyr 2005
|
145332.0
|
204961.0
|
134321.0
|
109240.0
|
Ionawr 2006
|
146136.0
|
205954.0
|
134989.0
|
110096.0
|
Chwefror 2006
|
145454.0
|
204508.0
|
134315.0
|
109865.0
|
Mawrth 2006
|
145325.0
|
204573.0
|
134316.0
|
109688.0
|
Ebrill 2006
|
146885.0
|
206290.0
|
135883.0
|
110986.0
|
Mai 2006
|
149742.0
|
210344.0
|
138574.0
|
113121.0
|
Mehefin 2006
|
151725.0
|
212642.0
|
140481.0
|
114837.0
|
Gorffennaf 2006
|
152348.0
|
213521.0
|
140944.0
|
115555.0
|
Awst 2006
|
153451.0
|
215355.0
|
141961.0
|
116457.0
|
Medi 2006
|
155453.0
|
218789.0
|
143759.0
|
117831.0
|
Hydref 2006
|
155462.0
|
219154.0
|
143744.0
|
117596.0
|
Tachwedd 2006
|
154988.0
|
218399.0
|
143327.0
|
117268.0
|
Rhagfyr 2006
|
154877.0
|
217446.0
|
143194.0
|
117560.0
|
Ionawr 2007
|
156463.0
|
219498.0
|
144644.0
|
118922.0
|
Chwefror 2007
|
156354.0
|
219099.0
|
144487.0
|
118861.0
|
Mawrth 2007
|
155406.0
|
217873.0
|
143619.0
|
118186.0
|
Ebrill 2007
|
156177.0
|
218460.0
|
144363.0
|
119068.0
|
Mai 2007
|
158073.0
|
220509.0
|
146081.0
|
120845.0
|
Mehefin 2007
|
160018.0
|
223239.0
|
147731.0
|
122402.0
|
Gorffennaf 2007
|
162727.0
|
227591.0
|
150082.0
|
124356.0
|
Awst 2007
|
162781.0
|
228672.0
|
150049.0
|
124323.0
|
Medi 2007
|
163619.0
|
230515.0
|
150757.0
|
124750.0
|
Hydref 2007
|
161784.0
|
228114.0
|
149002.0
|
123194.0
|
Tachwedd 2007
|
163755.0
|
231059.0
|
150691.0
|
124471.0
|
Rhagfyr 2007
|
163674.0
|
230828.0
|
150494.0
|
124433.0
|
Ionawr 2008
|
164469.0
|
232190.0
|
151093.0
|
124987.0
|
Chwefror 2008
|
163163.0
|
230270.0
|
149906.0
|
124044.0
|
Mawrth 2008
|
163198.0
|
230157.0
|
150160.0
|
124153.0
|
Ebrill 2008
|
161860.0
|
228165.0
|
148969.0
|
123332.0
|
Mai 2008
|
162651.0
|
228851.0
|
149869.0
|
124108.0
|
Mehefin 2008
|
160017.0
|
225191.0
|
147390.0
|
122109.0
|
Gorffennaf 2008
|
159640.0
|
224624.0
|
147277.0
|
121661.0
|
Awst 2008
|
157526.0
|
222313.0
|
145187.0
|
119833.0
|
Medi 2008
|
158536.0
|
225097.0
|
145842.0
|
120162.0
|
Hydref 2008
|
154809.0
|
220301.0
|
142258.0
|
117154.0
|
Tachwedd 2008
|
153589.0
|
218470.0
|
141181.0
|
116154.0
|
Rhagfyr 2008
|
148934.0
|
211069.0
|
137055.0
|
112900.0
|
Ionawr 2009
|
144640.0
|
205470.0
|
132926.0
|
109484.0
|
Chwefror 2009
|
137455.0
|
195453.0
|
126286.0
|
103986.0
|
Mawrth 2009
|
134160.0
|
190987.0
|
123215.0
|
101338.0
|
Ebrill 2009
|
135288.0
|
191651.0
|
124560.0
|
102604.0
|
Mai 2009
|
138393.0
|
195793.0
|
127556.0
|
105188.0
|
Mehefin 2009
|
140334.0
|
198474.0
|
129472.0
|
106821.0
|
Gorffennaf 2009
|
144602.0
|
205034.0
|
133365.0
|
110039.0
|
Awst 2009
|
145976.0
|
207434.0
|
134573.0
|
111055.0
|
Medi 2009
|
147302.0
|
209529.0
|
135796.0
|
112038.0
|
Hydref 2009
|
146351.0
|
208210.0
|
135004.0
|
111226.0
|
Tachwedd 2009
|
147000.0
|
209398.0
|
135432.0
|
111837.0
|
Rhagfyr 2009
|
147352.0
|
209150.0
|
135954.0
|
112507.0
|
Ionawr 2010
|
146854.0
|
209091.0
|
135469.0
|
111940.0
|
Chwefror 2010
|
144360.0
|
205675.0
|
133424.0
|
109748.0
|
Mawrth 2010
|
144272.0
|
206639.0
|
133098.0
|
109194.0
|
Ebrill 2010
|
145087.0
|
207363.0
|
133923.0
|
109959.0
|
Mai 2010
|
147302.0
|
210540.0
|
135807.0
|
111761.0
|
Mehefin 2010
|
148801.0
|
212382.0
|
137293.0
|
113127.0
|
Gorffennaf 2010
|
149708.0
|
214465.0
|
137954.0
|
113626.0
|
Awst 2010
|
150091.0
|
215435.0
|
138510.0
|
113606.0
|
Medi 2010
|
149478.0
|
215420.0
|
137810.0
|
112798.0
|
Hydref 2010
|
147780.0
|
212873.0
|
136328.0
|
111423.0
|
Tachwedd 2010
|
147025.0
|
212119.0
|
135409.0
|
110759.0
|
Rhagfyr 2010
|
146683.0
|
211394.0
|
135208.0
|
110507.0
|
Ionawr 2011
|
144791.0
|
209214.0
|
133251.0
|
108993.0
|
Chwefror 2011
|
143963.0
|
208221.0
|
132286.0
|
108467.0
|
Mawrth 2011
|
142069.0
|
206154.0
|
130204.0
|
106994.0
|
Ebrill 2011
|
143901.0
|
208427.0
|
131860.0
|
108620.0
|
Mai 2011
|
144328.0
|
208473.0
|
132442.0
|
109046.0
|
Mehefin 2011
|
144931.0
|
208644.0
|
133376.0
|
109499.0
|
Gorffennaf 2011
|
143611.0
|
206457.0
|
132250.0
|
108559.0
|
Awst 2011
|
144315.0
|
207928.0
|
133038.0
|
108882.0
|
Medi 2011
|
146006.0
|
211105.0
|
134418.0
|
110015.0
|
Hydref 2011
|
147556.0
|
214031.0
|
135937.0
|
110775.0
|
Tachwedd 2011
|
147749.0
|
214294.0
|
136045.0
|
110849.0
|
Rhagfyr 2011
|
146219.0
|
211728.0
|
134807.0
|
109669.0
|
Ionawr 2012
|
145235.0
|
210093.0
|
134035.0
|
108989.0
|
Chwefror 2012
|
142873.0
|
206634.0
|
131805.0
|
107442.0
|
Mawrth 2012
|
142176.0
|
204953.0
|
131189.0
|
107365.0
|
Ebrill 2012
|
140995.0
|
203177.0
|
129946.0
|
106553.0
|
Mai 2012
|
143200.0
|
206016.0
|
132092.0
|
108269.0
|
Mehefin 2012
|
145302.0
|
209338.0
|
133909.0
|
109893.0
|
Gorffennaf 2012
|
144378.0
|
207967.0
|
133002.0
|
109385.0
|
Awst 2012
|
143331.0
|
206583.0
|
131968.0
|
108735.0
|
Medi 2012
|
141337.0
|
204109.0
|
130058.0
|
107060.0
|
Hydref 2012
|
142328.0
|
205425.0
|
131078.0
|
107755.0
|
Tachwedd 2012
|
141781.0
|
204588.0
|
130559.0
|
107371.0
|
Rhagfyr 2012
|
143804.0
|
207572.0
|
132393.0
|
108899.0
|
Ionawr 2013
|
141415.0
|
204129.0
|
130352.0
|
106998.0
|
Chwefror 2013
|
140702.0
|
203189.0
|
129691.0
|
106434.0
|
Mawrth 2013
|
138869.0
|
200538.0
|
128048.0
|
104984.0
|
Ebrill 2013
|
142431.0
|
205671.0
|
131182.0
|
107869.0
|
Mai 2013
|
142275.0
|
205188.0
|
131077.0
|
107818.0
|
Mehefin 2013
|
145035.0
|
208824.0
|
133745.0
|
110101.0
|
Gorffennaf 2013
|
146418.0
|
210659.0
|
135034.0
|
111234.0
|
Awst 2013
|
148074.0
|
213244.0
|
136628.0
|
112411.0
|
Medi 2013
|
147312.0
|
212634.0
|
135758.0
|
111664.0
|
Hydref 2013
|
146248.0
|
211715.0
|
134700.0
|
110578.0
|
Tachwedd 2013
|
146464.0
|
212083.0
|
134976.0
|
110599.0
|
Rhagfyr 2013
|
145630.0
|
210238.0
|
134499.0
|
109981.0
|
Ionawr 2014
|
145666.0
|
210083.0
|
134503.0
|
110115.0
|
Chwefror 2014
|
145782.0
|
210567.0
|
134380.0
|
110271.0
|
Mawrth 2014
|
146558.0
|
211943.0
|
135063.0
|
110881.0
|
Ebrill 2014
|
148007.0
|
213838.0
|
136402.0
|
112198.0
|
Mai 2014
|
149330.0
|
215222.0
|
137700.0
|
113488.0
|
Mehefin 2014
|
149359.0
|
215169.0
|
137738.0
|
113586.0
|
Gorffennaf 2014
|
149420.0
|
215266.0
|
137854.0
|
113640.0
|
Awst 2014
|
149657.0
|
215956.0
|
138051.0
|
113673.0
|
Medi 2014
|
149929.0
|
216555.0
|
138198.0
|
113854.0
|
Hydref 2014
|
151740.0
|
219300.0
|
139824.0
|
115086.0
|
Tachwedd 2014
|
152835.0
|
220897.0
|
140911.0
|
115754.0
|
Rhagfyr 2014
|
153559.0
|
222170.0
|
141563.0
|
116128.0
|
Ionawr 2015
|
151685.0
|
219514.0
|
139947.0
|
114554.0
|
Chwefror 2015
|
152204.0
|
220512.0
|
140255.0
|
114920.0
|
Mawrth 2015
|
152644.0
|
221408.0
|
140689.0
|
115010.0
|
Ebrill 2015
|
153403.0
|
222657.0
|
141291.0
|
115619.0
|
Mai 2015
|
153119.0
|
222000.0
|
141210.0
|
115406.0
|
Mehefin 2015
|
152522.0
|
220721.0
|
140782.0
|
115265.0
|
Gorffennaf 2015
|
154407.0
|
223254.0
|
142634.0
|
116739.0
|
Awst 2015
|
156687.0
|
226715.0
|
144748.0
|
118433.0
|
Medi 2015
|
159800.0
|
231904.0
|
147409.0
|
120483.0
|
Hydref 2015
|
159180.0
|
231193.0
|
146848.0
|
119922.0
|
Tachwedd 2015
|
158898.0
|
230976.0
|
146610.0
|
119562.0
|
Rhagfyr 2015
|
157638.0
|
229181.0
|
145506.0
|
118607.0
|
Ionawr 2016
|
157999.0
|
229689.0
|
146009.0
|
118704.0
|
Chwefror 2016
|
159412.0
|
231778.0
|
147319.0
|
119766.0
|
Mawrth 2016
|
160438.0
|
233239.0
|
148256.0
|
120450.0
|
Ebrill 2016
|
161545.0
|
234830.0
|
149037.0
|
121560.0
|
Mai 2016
|
160208.0
|
232242.0
|
147736.0
|
120932.0
|
Mehefin 2016
|
162616.0
|
235581.0
|
149859.0
|
123001.0
|
Gorffennaf 2016
|
163313.0
|
236507.0
|
150525.0
|
123541.0
|
Awst 2016
|
165515.0
|
240035.0
|
152552.0
|
125013.0
|
Medi 2016
|
165883.0
|
240606.0
|
153088.0
|
125061.0
|
Hydref 2016
|
166133.0
|
241466.0
|
153347.0
|
124746.0
|
Tachwedd 2016
|
165087.0
|
240789.0
|
152340.0
|
123394.0
|
Rhagfyr 2016
|
163460.0
|
238723.0
|
150629.0
|
122101.0
|
Ionawr 2017
|
163180.0
|
238533.0
|
150305.0
|
121884.0
|
Chwefror 2017
|
165623.0
|
241759.0
|
152364.0
|
123945.0
|
Mawrth 2017
|
166355.0
|
242998.0
|
153100.0
|
124269.0
|
Ebrill 2017
|
169380.0
|
247301.0
|
155732.0
|
126641.0
|
Mai 2017
|
169272.0
|
246674.0
|
155928.0
|
126535.0
|
Mehefin 2017
|
172343.0
|
250554.0
|
158743.0
|
129154.0
|
Gorffennaf 2017
|
173063.0
|
251177.0
|
159634.0
|
129682.0
|
Awst 2017
|
174395.0
|
253300.0
|
160721.0
|
130830.0
|
Medi 2017
|
175195.0
|
254923.0
|
161461.0
|
131261.0
|
Hydref 2017
|
174079.0
|
253673.0
|
160452.0
|
130291.0
|
Tachwedd 2017
|
173794.0
|
253348.0
|
160345.0
|
129869.0
|
Rhagfyr 2017
|
173494.0
|
252652.0
|
160201.0
|
129654.0
|
Ionawr 2018
|
174567.0
|
254218.0
|
161284.0
|
130361.0
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai pâr
|
Tai teras
|
Ionawr 2002
|
10.0
|
9.7
|
10.2
|
9.8
|
Chwefror 2002
|
11.6
|
11.5
|
11.6
|
11.4
|
Mawrth 2002
|
14.9
|
14.6
|
15.0
|
14.8
|
Ebrill 2002
|
17.3
|
16.6
|
17.6
|
17.4
|
Mai 2002
|
19.8
|
18.9
|
20.3
|
19.6
|
Mehefin 2002
|
23.9
|
23.1
|
24.3
|
24.0
|
Gorffennaf 2002
|
27.3
|
26.6
|
27.6
|
27.5
|
Awst 2002
|
27.3
|
26.4
|
27.6
|
27.8
|
Medi 2002
|
28.8
|
27.5
|
29.7
|
29.2
|
Hydref 2002
|
30.7
|
29.1
|
31.8
|
31.1
|
Tachwedd 2002
|
34.9
|
33.5
|
35.8
|
35.3
|
Rhagfyr 2002
|
35.1
|
33.7
|
35.8
|
35.8
|
Ionawr 2003
|
38.2
|
36.6
|
38.6
|
39.5
|
Chwefror 2003
|
32.7
|
30.8
|
33.7
|
34.0
|
Mawrth 2003
|
30.6
|
28.9
|
31.4
|
31.8
|
Ebrill 2003
|
28.5
|
26.6
|
29.6
|
29.2
|
Mai 2003
|
29.7
|
28.0
|
30.6
|
30.7
|
Mehefin 2003
|
28.0
|
26.2
|
29.0
|
28.9
|
Gorffennaf 2003
|
25.0
|
23.0
|
26.1
|
26.1
|
Awst 2003
|
26.7
|
24.4
|
27.8
|
27.9
|
Medi 2003
|
24.8
|
22.3
|
25.8
|
26.7
|
Hydref 2003
|
24.9
|
22.4
|
25.5
|
27.4
|
Tachwedd 2003
|
22.3
|
19.6
|
23.0
|
25.0
|
Rhagfyr 2003
|
23.3
|
20.5
|
23.9
|
26.5
|
Ionawr 2004
|
21.6
|
18.8
|
22.3
|
24.4
|
Chwefror 2004
|
24.7
|
22.0
|
25.1
|
28.1
|
Mawrth 2004
|
26.6
|
23.8
|
26.9
|
30.0
|
Ebrill 2004
|
27.4
|
24.1
|
27.6
|
31.7
|
Mai 2004
|
27.5
|
23.6
|
27.8
|
32.3
|
Mehefin 2004
|
31.0
|
26.5
|
31.5
|
36.1
|
Gorffennaf 2004
|
32.0
|
27.5
|
32.4
|
37.0
|
Awst 2004
|
29.6
|
25.4
|
30.1
|
34.2
|
Medi 2004
|
27.1
|
23.4
|
27.4
|
31.2
|
Hydref 2004
|
26.8
|
23.4
|
27.2
|
30.7
|
Tachwedd 2004
|
25.6
|
22.3
|
25.8
|
29.4
|
Rhagfyr 2004
|
22.7
|
19.6
|
22.7
|
26.4
|
Ionawr 2005
|
18.8
|
15.7
|
18.6
|
22.5
|
Chwefror 2005
|
21.5
|
18.5
|
21.3
|
24.9
|
Mawrth 2005
|
21.1
|
18.3
|
21.2
|
24.3
|
Ebrill 2005
|
19.4
|
17.0
|
19.3
|
21.9
|
Mai 2005
|
13.5
|
12.0
|
13.2
|
15.3
|
Mehefin 2005
|
9.1
|
7.8
|
8.6
|
10.9
|
Gorffennaf 2005
|
8.3
|
7.2
|
7.6
|
9.9
|
Awst 2005
|
8.2
|
7.1
|
7.4
|
10.1
|
Medi 2005
|
7.6
|
6.6
|
6.9
|
9.6
|
Hydref 2005
|
6.3
|
5.2
|
5.5
|
8.3
|
Tachwedd 2005
|
5.5
|
4.3
|
4.9
|
7.5
|
Rhagfyr 2005
|
6.2
|
5.1
|
5.6
|
8.0
|
Ionawr 2006
|
8.7
|
7.6
|
8.2
|
10.4
|
Chwefror 2006
|
4.6
|
3.4
|
4.0
|
6.4
|
Mawrth 2006
|
3.6
|
2.5
|
3.1
|
5.4
|
Ebrill 2006
|
4.2
|
3.2
|
3.6
|
5.8
|
Mai 2006
|
7.9
|
7.0
|
7.5
|
9.5
|
Mehefin 2006
|
8.6
|
7.8
|
8.3
|
9.9
|
Gorffennaf 2006
|
6.7
|
5.8
|
6.4
|
8.3
|
Awst 2006
|
6.4
|
5.5
|
6.2
|
7.9
|
Medi 2006
|
7.2
|
6.4
|
7.0
|
8.6
|
Hydref 2006
|
7.2
|
6.6
|
7.3
|
8.3
|
Tachwedd 2006
|
6.8
|
6.4
|
6.8
|
7.8
|
Rhagfyr 2006
|
6.6
|
6.1
|
6.6
|
7.6
|
Ionawr 2007
|
7.1
|
6.6
|
7.2
|
8.0
|
Chwefror 2007
|
7.5
|
7.1
|
7.6
|
8.2
|
Mawrth 2007
|
6.9
|
6.5
|
6.9
|
7.8
|
Ebrill 2007
|
6.3
|
5.9
|
6.2
|
7.3
|
Mai 2007
|
5.6
|
4.8
|
5.4
|
6.8
|
Mehefin 2007
|
5.5
|
5.0
|
5.2
|
6.6
|
Gorffennaf 2007
|
6.8
|
6.6
|
6.5
|
7.6
|
Awst 2007
|
6.1
|
6.2
|
5.7
|
6.8
|
Medi 2007
|
5.2
|
5.4
|
4.9
|
5.9
|
Hydref 2007
|
4.1
|
4.1
|
3.7
|
4.8
|
Tachwedd 2007
|
5.7
|
5.8
|
5.1
|
6.1
|
Rhagfyr 2007
|
5.7
|
6.2
|
5.1
|
5.8
|
Ionawr 2008
|
5.1
|
5.8
|
4.5
|
5.1
|
Chwefror 2008
|
4.4
|
5.1
|
3.8
|
4.4
|
Mawrth 2008
|
5.0
|
5.6
|
4.6
|
5.0
|
Ebrill 2008
|
3.6
|
4.4
|
3.2
|
3.6
|
Mai 2008
|
2.9
|
3.8
|
2.6
|
2.7
|
Mehefin 2008
|
0.0
|
0.9
|
-0.2
|
-0.2
|
Gorffennaf 2008
|
-1.9
|
-1.3
|
-1.9
|
-2.2
|
Awst 2008
|
-3.2
|
-2.8
|
-3.2
|
-3.6
|
Medi 2008
|
-3.1
|
-2.4
|
-3.3
|
-3.7
|
Hydref 2008
|
-4.3
|
-3.4
|
-4.5
|
-4.9
|
Tachwedd 2008
|
-6.2
|
-5.4
|
-6.3
|
-6.7
|
Rhagfyr 2008
|
-9.0
|
-8.6
|
-8.9
|
-9.3
|
Ionawr 2009
|
-12.1
|
-11.5
|
-12.0
|
-12.4
|
Chwefror 2009
|
-15.8
|
-15.1
|
-15.8
|
-16.2
|
Mawrth 2009
|
-17.8
|
-17.0
|
-17.9
|
-18.4
|
Ebrill 2009
|
-16.4
|
-16.0
|
-16.4
|
-16.8
|
Mai 2009
|
-14.9
|
-14.4
|
-14.9
|
-15.2
|
Mehefin 2009
|
-12.3
|
-11.9
|
-12.2
|
-12.5
|
Gorffennaf 2009
|
-9.4
|
-8.7
|
-9.4
|
-9.6
|
Awst 2009
|
-7.3
|
-6.7
|
-7.3
|
-7.3
|
Medi 2009
|
-7.1
|
-6.9
|
-6.9
|
-6.8
|
Hydref 2009
|
-5.5
|
-5.5
|
-5.1
|
-5.1
|
Tachwedd 2009
|
-4.3
|
-4.2
|
-4.1
|
-3.7
|
Rhagfyr 2009
|
-1.1
|
-0.9
|
-0.8
|
-0.4
|
Ionawr 2010
|
1.5
|
1.8
|
1.9
|
2.2
|
Chwefror 2010
|
5.0
|
5.2
|
5.6
|
5.5
|
Mawrth 2010
|
7.5
|
8.2
|
8.0
|
7.8
|
Ebrill 2010
|
7.2
|
8.2
|
7.5
|
7.2
|
Mai 2010
|
6.4
|
7.5
|
6.5
|
6.2
|
Mehefin 2010
|
6.0
|
7.0
|
6.0
|
5.9
|
Gorffennaf 2010
|
3.5
|
4.6
|
3.4
|
3.3
|
Awst 2010
|
2.8
|
3.9
|
2.9
|
2.3
|
Medi 2010
|
1.5
|
2.8
|
1.5
|
0.7
|
Hydref 2010
|
1.0
|
2.2
|
1.0
|
0.2
|
Tachwedd 2010
|
0.0
|
1.3
|
-0.0
|
-1.0
|
Rhagfyr 2010
|
-0.4
|
1.1
|
-0.6
|
-1.8
|
Ionawr 2011
|
-1.4
|
0.1
|
-1.6
|
-2.6
|
Chwefror 2011
|
-0.3
|
1.2
|
-0.8
|
-1.2
|
Mawrth 2011
|
-1.5
|
-0.2
|
-2.2
|
-2.0
|
Ebrill 2011
|
-0.8
|
0.5
|
-1.5
|
-1.2
|
Mai 2011
|
-2.0
|
-1.0
|
-2.5
|
-2.4
|
Mehefin 2011
|
-2.6
|
-1.8
|
-2.8
|
-3.2
|
Gorffennaf 2011
|
-4.1
|
-3.7
|
-4.1
|
-4.5
|
Awst 2011
|
-3.8
|
-3.5
|
-4.0
|
-4.2
|
Medi 2011
|
-2.3
|
-2.0
|
-2.5
|
-2.5
|
Hydref 2011
|
-0.2
|
0.5
|
-0.3
|
-0.6
|
Tachwedd 2011
|
0.5
|
1.0
|
0.5
|
0.1
|
Rhagfyr 2011
|
-0.3
|
0.2
|
-0.3
|
-0.8
|
Ionawr 2012
|
0.3
|
0.4
|
0.6
|
0.0
|
Chwefror 2012
|
-0.8
|
-0.8
|
-0.4
|
-1.0
|
Mawrth 2012
|
0.1
|
-0.6
|
0.8
|
0.4
|
Ebrill 2012
|
-2.0
|
-2.5
|
-1.4
|
-1.9
|
Mai 2012
|
-0.8
|
-1.2
|
-0.3
|
-0.7
|
Mehefin 2012
|
0.3
|
0.3
|
0.4
|
0.4
|
Gorffennaf 2012
|
0.5
|
0.7
|
0.6
|
0.8
|
Awst 2012
|
-0.7
|
-0.6
|
-0.8
|
-0.1
|
Medi 2012
|
-3.2
|
-3.3
|
-3.2
|
-2.7
|
Hydref 2012
|
-3.5
|
-4.0
|
-3.6
|
-2.7
|
Tachwedd 2012
|
-4.0
|
-4.5
|
-4.0
|
-3.1
|
Rhagfyr 2012
|
-1.6
|
-2.0
|
-1.8
|
-0.7
|
Ionawr 2013
|
-2.6
|
-2.8
|
-2.8
|
-1.8
|
Chwefror 2013
|
-1.5
|
-1.7
|
-1.6
|
-0.9
|
Mawrth 2013
|
-2.3
|
-2.2
|
-2.4
|
-2.2
|
Ebrill 2013
|
1.0
|
1.2
|
1.0
|
1.2
|
Mai 2013
|
-0.6
|
-0.4
|
-0.8
|
-0.4
|
Mehefin 2013
|
-0.2
|
-0.2
|
-0.1
|
0.2
|
Gorffennaf 2013
|
1.4
|
1.3
|
1.5
|
1.7
|
Awst 2013
|
3.3
|
3.2
|
3.5
|
3.4
|
Medi 2013
|
4.2
|
4.2
|
4.4
|
4.3
|
Hydref 2013
|
2.8
|
3.1
|
2.8
|
2.6
|
Tachwedd 2013
|
3.3
|
3.7
|
3.4
|
3.0
|
Rhagfyr 2013
|
1.3
|
1.3
|
1.6
|
1.0
|
Ionawr 2014
|
3.0
|
2.9
|
3.2
|
2.9
|
Chwefror 2014
|
3.6
|
3.6
|
3.6
|
3.6
|
Mawrth 2014
|
5.5
|
5.7
|
5.5
|
5.6
|
Ebrill 2014
|
3.9
|
4.0
|
4.0
|
4.0
|
Mai 2014
|
5.0
|
4.9
|
5.0
|
5.3
|
Mehefin 2014
|
3.0
|
3.0
|
3.0
|
3.2
|
Gorffennaf 2014
|
2.0
|
2.2
|
2.1
|
2.2
|
Awst 2014
|
1.1
|
1.3
|
1.0
|
1.1
|
Medi 2014
|
1.8
|
1.8
|
1.8
|
2.0
|
Hydref 2014
|
3.8
|
3.6
|
3.8
|
4.1
|
Tachwedd 2014
|
4.4
|
4.2
|
4.4
|
4.7
|
Rhagfyr 2014
|
5.4
|
5.7
|
5.2
|
5.6
|
Ionawr 2015
|
4.1
|
4.5
|
4.0
|
4.0
|
Chwefror 2015
|
4.4
|
4.7
|
4.4
|
4.2
|
Mawrth 2015
|
4.2
|
4.5
|
4.2
|
3.7
|
Ebrill 2015
|
3.6
|
4.1
|
3.6
|
3.0
|
Mai 2015
|
2.5
|
3.2
|
2.6
|
1.7
|
Mehefin 2015
|
2.1
|
2.6
|
2.2
|
1.5
|
Gorffennaf 2015
|
3.3
|
3.7
|
3.5
|
2.7
|
Awst 2015
|
4.7
|
5.0
|
4.8
|
4.2
|
Medi 2015
|
6.6
|
7.1
|
6.7
|
5.8
|
Hydref 2015
|
4.9
|
5.4
|
5.0
|
4.2
|
Tachwedd 2015
|
4.0
|
4.6
|
4.0
|
3.3
|
Rhagfyr 2015
|
2.7
|
3.2
|
2.8
|
2.1
|
Ionawr 2016
|
4.2
|
4.6
|
4.3
|
3.6
|
Chwefror 2016
|
4.7
|
5.1
|
5.0
|
4.2
|
Mawrth 2016
|
5.1
|
5.3
|
5.4
|
4.7
|
Ebrill 2016
|
5.3
|
5.5
|
5.5
|
5.1
|
Mai 2016
|
4.6
|
4.6
|
4.6
|
4.8
|
Mehefin 2016
|
6.6
|
6.7
|
6.4
|
6.7
|
Gorffennaf 2016
|
5.8
|
5.9
|
5.5
|
5.8
|
Awst 2016
|
5.6
|
5.9
|
5.4
|
5.6
|
Medi 2016
|
3.8
|
3.8
|
3.8
|
3.8
|
Hydref 2016
|
4.4
|
4.4
|
4.4
|
4.0
|
Tachwedd 2016
|
3.9
|
4.2
|
3.9
|
3.2
|
Rhagfyr 2016
|
3.7
|
4.2
|
3.5
|
3.0
|
Ionawr 2017
|
3.3
|
3.8
|
2.9
|
2.7
|
Chwefror 2017
|
3.9
|
4.3
|
3.4
|
3.5
|
Mawrth 2017
|
3.7
|
4.2
|
3.3
|
3.2
|
Ebrill 2017
|
4.3
|
4.5
|
4.3
|
3.6
|
Mai 2017
|
5.3
|
5.7
|
5.3
|
4.3
|
Mehefin 2017
|
6.0
|
6.4
|
5.9
|
5.0
|
Gorffennaf 2017
|
6.0
|
6.2
|
6.0
|
5.0
|
Awst 2017
|
5.4
|
5.5
|
5.4
|
4.6
|
Medi 2017
|
5.6
|
6.0
|
5.5
|
5.0
|
Hydref 2017
|
4.8
|
5.1
|
4.6
|
4.4
|
Tachwedd 2017
|
5.3
|
5.2
|
5.2
|
5.2
|
Rhagfyr 2017
|
6.1
|
5.8
|
6.4
|
6.2
|
Ionawr 2018
|
7.0
|
6.6
|
7.3
|
7.0
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai pâr
|
Tai teras
|
Ionawr 2002
|
0.7
|
0.7
|
0.7
|
0.6
|
Chwefror 2002
|
2.6
|
2.6
|
2.4
|
2.8
|
Mawrth 2002
|
1.3
|
1.1
|
1.3
|
1.5
|
Ebrill 2002
|
3.1
|
2.8
|
3.1
|
3.4
|
Mai 2002
|
2.4
|
2.1
|
2.7
|
2.6
|
Mehefin 2002
|
3.3
|
3.2
|
3.2
|
3.5
|
Gorffennaf 2002
|
4.7
|
4.7
|
4.7
|
4.7
|
Awst 2002
|
1.6
|
1.7
|
1.5
|
1.6
|
Medi 2002
|
4.6
|
4.7
|
4.8
|
4.3
|
Hydref 2002
|
1.3
|
1.2
|
1.5
|
1.2
|
Tachwedd 2002
|
4.0
|
4.0
|
4.0
|
3.8
|
Rhagfyr 2002
|
1.0
|
0.6
|
1.2
|
1.2
|
Ionawr 2003
|
3.0
|
2.9
|
2.8
|
3.3
|
Chwefror 2003
|
-1.4
|
-1.8
|
-1.2
|
-1.3
|
Mawrth 2003
|
-0.3
|
-0.3
|
-0.4
|
-0.2
|
Ebrill 2003
|
1.4
|
1.0
|
1.7
|
1.4
|
Mai 2003
|
3.4
|
3.2
|
3.4
|
3.7
|
Mehefin 2003
|
2.0
|
1.8
|
2.0
|
2.1
|
Gorffennaf 2003
|
2.2
|
2.1
|
2.3
|
2.4
|
Awst 2003
|
3.0
|
2.9
|
2.9
|
3.1
|
Medi 2003
|
3.0
|
2.9
|
3.1
|
3.3
|
Hydref 2003
|
1.4
|
1.3
|
1.3
|
1.7
|
Tachwedd 2003
|
1.8
|
1.6
|
1.8
|
1.9
|
Rhagfyr 2003
|
1.8
|
1.3
|
1.9
|
2.3
|
Ionawr 2004
|
1.5
|
1.5
|
1.5
|
1.7
|
Chwefror 2004
|
1.1
|
0.8
|
1.1
|
1.6
|
Mawrth 2004
|
1.2
|
1.2
|
1.0
|
1.4
|
Ebrill 2004
|
2.0
|
1.2
|
2.3
|
2.8
|
Mai 2004
|
3.4
|
2.8
|
3.5
|
4.1
|
Mehefin 2004
|
4.8
|
4.2
|
4.9
|
5.1
|
Gorffennaf 2004
|
3.0
|
2.9
|
3.0
|
3.1
|
Awst 2004
|
1.1
|
1.2
|
1.1
|
1.0
|
Medi 2004
|
1.0
|
1.2
|
0.9
|
1.0
|
Hydref 2004
|
1.2
|
1.3
|
1.1
|
1.3
|
Tachwedd 2004
|
0.8
|
0.7
|
0.7
|
0.9
|
Rhagfyr 2004
|
-0.5
|
-0.9
|
-0.6
|
-0.0
|
Ionawr 2005
|
-1.7
|
-1.8
|
-1.9
|
-1.5
|
Chwefror 2005
|
3.4
|
3.3
|
3.4
|
3.5
|
Mawrth 2005
|
0.9
|
0.9
|
0.9
|
0.8
|
Ebrill 2005
|
0.5
|
0.1
|
0.7
|
0.8
|
Mai 2005
|
-1.6
|
-1.6
|
-1.8
|
-1.5
|
Mehefin 2005
|
0.7
|
0.3
|
0.7
|
1.1
|
Gorffennaf 2005
|
2.2
|
2.3
|
2.1
|
2.2
|
Awst 2005
|
1.0
|
1.1
|
0.9
|
1.1
|
Medi 2005
|
0.6
|
0.8
|
0.4
|
0.6
|
Hydref 2005
|
-0.1
|
-0.1
|
-0.2
|
0.1
|
Tachwedd 2005
|
0.1
|
-0.2
|
0.2
|
0.2
|
Rhagfyr 2005
|
0.2
|
-0.1
|
0.1
|
0.4
|
Ionawr 2006
|
0.6
|
0.5
|
0.5
|
0.8
|
Chwefror 2006
|
-0.5
|
-0.7
|
-0.5
|
-0.2
|
Mawrth 2006
|
-0.1
|
0.0
|
0.0
|
-0.2
|
Ebrill 2006
|
1.1
|
0.8
|
1.2
|
1.2
|
Mai 2006
|
2.0
|
2.0
|
2.0
|
1.9
|
Mehefin 2006
|
1.3
|
1.1
|
1.4
|
1.5
|
Gorffennaf 2006
|
0.4
|
0.4
|
0.3
|
0.6
|
Awst 2006
|
0.7
|
0.9
|
0.7
|
0.8
|
Medi 2006
|
1.3
|
1.6
|
1.3
|
1.2
|
Hydref 2006
|
0.0
|
0.2
|
-0.0
|
-0.2
|
Tachwedd 2006
|
-0.3
|
-0.3
|
-0.3
|
-0.3
|
Rhagfyr 2006
|
-0.1
|
-0.4
|
-0.1
|
0.2
|
Ionawr 2007
|
1.0
|
0.9
|
1.0
|
1.2
|
Chwefror 2007
|
-0.1
|
-0.2
|
-0.1
|
-0.1
|
Mawrth 2007
|
-0.6
|
-0.6
|
-0.6
|
-0.6
|
Ebrill 2007
|
0.5
|
0.3
|
0.5
|
0.8
|
Mai 2007
|
1.2
|
0.9
|
1.2
|
1.5
|
Mehefin 2007
|
1.2
|
1.2
|
1.1
|
1.3
|
Gorffennaf 2007
|
1.7
|
2.0
|
1.6
|
1.6
|
Awst 2007
|
0.0
|
0.5
|
-0.0
|
-0.0
|
Medi 2007
|
0.5
|
0.8
|
0.5
|
0.3
|
Hydref 2007
|
-1.1
|
-1.0
|
-1.2
|
-1.2
|
Tachwedd 2007
|
1.2
|
1.3
|
1.1
|
1.0
|
Rhagfyr 2007
|
-0.1
|
-0.1
|
-0.1
|
-0.0
|
Ionawr 2008
|
0.5
|
0.6
|
0.4
|
0.4
|
Chwefror 2008
|
-0.8
|
-0.8
|
-0.8
|
-0.8
|
Mawrth 2008
|
0.0
|
-0.1
|
0.2
|
0.1
|
Ebrill 2008
|
-0.8
|
-0.9
|
-0.8
|
-0.7
|
Mai 2008
|
0.5
|
0.3
|
0.6
|
0.6
|
Mehefin 2008
|
-1.6
|
-1.6
|
-1.6
|
-1.6
|
Gorffennaf 2008
|
-0.2
|
-0.2
|
-0.1
|
-0.4
|
Awst 2008
|
-1.3
|
-1.0
|
-1.4
|
-1.5
|
Medi 2008
|
0.6
|
1.2
|
0.4
|
0.3
|
Hydref 2008
|
-2.4
|
-2.1
|
-2.5
|
-2.5
|
Tachwedd 2008
|
-0.8
|
-0.8
|
-0.8
|
-0.8
|
Rhagfyr 2008
|
-3.0
|
-3.4
|
-2.9
|
-2.8
|
Ionawr 2009
|
-2.9
|
-2.6
|
-3.0
|
-3.0
|
Chwefror 2009
|
-5.0
|
-4.9
|
-5.0
|
-5.0
|
Mawrth 2009
|
-2.4
|
-2.3
|
-2.4
|
-2.6
|
Ebrill 2009
|
0.8
|
0.4
|
1.1
|
1.2
|
Mai 2009
|
2.3
|
2.2
|
2.4
|
2.5
|
Mehefin 2009
|
1.4
|
1.4
|
1.5
|
1.6
|
Gorffennaf 2009
|
3.0
|
3.3
|
3.0
|
3.0
|
Awst 2009
|
1.0
|
1.2
|
0.9
|
0.9
|
Medi 2009
|
0.9
|
1.0
|
0.9
|
0.9
|
Hydref 2009
|
-0.6
|
-0.6
|
-0.6
|
-0.7
|
Tachwedd 2009
|
0.4
|
0.6
|
0.3
|
0.6
|
Rhagfyr 2009
|
0.2
|
-0.1
|
0.4
|
0.6
|
Ionawr 2010
|
-0.3
|
-0.0
|
-0.4
|
-0.5
|
Chwefror 2010
|
-1.7
|
-1.6
|
-1.5
|
-2.0
|
Mawrth 2010
|
-0.1
|
0.5
|
-0.2
|
-0.5
|
Ebrill 2010
|
0.6
|
0.4
|
0.6
|
0.7
|
Mai 2010
|
1.5
|
1.5
|
1.4
|
1.6
|
Mehefin 2010
|
1.0
|
0.9
|
1.1
|
1.2
|
Gorffennaf 2010
|
0.6
|
1.0
|
0.5
|
0.4
|
Awst 2010
|
0.3
|
0.4
|
0.4
|
-0.0
|
Medi 2010
|
-0.4
|
-0.0
|
-0.5
|
-0.7
|
Hydref 2010
|
-1.1
|
-1.2
|
-1.1
|
-1.2
|
Tachwedd 2010
|
-0.5
|
-0.4
|
-0.7
|
-0.6
|
Rhagfyr 2010
|
-0.2
|
-0.3
|
-0.2
|
-0.2
|
Ionawr 2011
|
-1.3
|
-1.0
|
-1.4
|
-1.4
|
Chwefror 2011
|
-0.6
|
-0.5
|
-0.7
|
-0.5
|
Mawrth 2011
|
-1.3
|
-1.0
|
-1.6
|
-1.4
|
Ebrill 2011
|
1.3
|
1.1
|
1.3
|
1.5
|
Mai 2011
|
0.3
|
0.0
|
0.4
|
0.4
|
Mehefin 2011
|
0.4
|
0.1
|
0.7
|
0.4
|
Gorffennaf 2011
|
-0.9
|
-1.0
|
-0.8
|
-0.9
|
Awst 2011
|
0.5
|
0.7
|
0.6
|
0.3
|
Medi 2011
|
1.2
|
1.5
|
1.0
|
1.0
|
Hydref 2011
|
1.1
|
1.4
|
1.1
|
0.7
|
Tachwedd 2011
|
0.1
|
0.1
|
0.1
|
0.1
|
Rhagfyr 2011
|
-1.0
|
-1.2
|
-0.9
|
-1.1
|
Ionawr 2012
|
-0.7
|
-0.8
|
-0.6
|
-0.6
|
Chwefror 2012
|
-1.6
|
-1.6
|
-1.7
|
-1.4
|
Mawrth 2012
|
-0.5
|
-0.8
|
-0.5
|
-0.1
|
Ebrill 2012
|
-0.8
|
-0.9
|
-1.0
|
-0.8
|
Mai 2012
|
1.6
|
1.4
|
1.6
|
1.6
|
Mehefin 2012
|
1.5
|
1.6
|
1.4
|
1.5
|
Gorffennaf 2012
|
-0.6
|
-0.6
|
-0.7
|
-0.5
|
Awst 2012
|
-0.7
|
-0.7
|
-0.8
|
-0.6
|
Medi 2012
|
-1.4
|
-1.2
|
-1.4
|
-1.5
|
Hydref 2012
|
0.7
|
0.6
|
0.8
|
0.6
|
Tachwedd 2012
|
-0.4
|
-0.4
|
-0.4
|
-0.4
|
Rhagfyr 2012
|
1.4
|
1.5
|
1.4
|
1.4
|
Ionawr 2013
|
-1.7
|
-1.7
|
-1.5
|
-1.8
|
Chwefror 2013
|
-0.5
|
-0.5
|
-0.5
|
-0.5
|
Mawrth 2013
|
-1.3
|
-1.3
|
-1.3
|
-1.4
|
Ebrill 2013
|
2.6
|
2.6
|
2.4
|
2.8
|
Mai 2013
|
-0.1
|
-0.2
|
-0.1
|
-0.1
|
Mehefin 2013
|
1.9
|
1.8
|
2.0
|
2.1
|
Gorffennaf 2013
|
1.0
|
0.9
|
1.0
|
1.0
|
Awst 2013
|
1.1
|
1.2
|
1.2
|
1.1
|
Medi 2013
|
-0.5
|
-0.3
|
-0.6
|
-0.7
|
Hydref 2013
|
-0.7
|
-0.4
|
-0.8
|
-1.0
|
Tachwedd 2013
|
0.2
|
0.2
|
0.2
|
0.0
|
Rhagfyr 2013
|
-0.6
|
-0.9
|
-0.4
|
-0.6
|
Ionawr 2014
|
0.0
|
-0.1
|
0.0
|
0.1
|
Chwefror 2014
|
0.1
|
0.2
|
-0.1
|
0.1
|
Mawrth 2014
|
0.5
|
0.6
|
0.5
|
0.6
|
Ebrill 2014
|
1.0
|
0.9
|
1.0
|
1.2
|
Mai 2014
|
0.9
|
0.6
|
1.0
|
1.2
|
Mehefin 2014
|
0.0
|
-0.0
|
0.0
|
0.1
|
Gorffennaf 2014
|
0.0
|
0.1
|
0.1
|
0.1
|
Awst 2014
|
0.2
|
0.3
|
0.1
|
0.0
|
Medi 2014
|
0.2
|
0.3
|
0.1
|
0.2
|
Hydref 2014
|
1.2
|
1.3
|
1.2
|
1.1
|
Tachwedd 2014
|
0.7
|
0.7
|
0.8
|
0.6
|
Rhagfyr 2014
|
0.5
|
0.6
|
0.5
|
0.3
|
Ionawr 2015
|
-1.2
|
-1.2
|
-1.1
|
-1.4
|
Chwefror 2015
|
0.3
|
0.4
|
0.2
|
0.3
|
Mawrth 2015
|
0.3
|
0.4
|
0.3
|
0.1
|
Ebrill 2015
|
0.5
|
0.6
|
0.4
|
0.5
|
Mai 2015
|
-0.2
|
-0.3
|
-0.1
|
-0.2
|
Mehefin 2015
|
-0.4
|
-0.6
|
-0.3
|
-0.1
|
Gorffennaf 2015
|
1.2
|
1.2
|
1.3
|
1.3
|
Awst 2015
|
1.5
|
1.6
|
1.5
|
1.4
|
Medi 2015
|
2.0
|
2.3
|
1.8
|
1.7
|
Hydref 2015
|
-0.4
|
-0.3
|
-0.4
|
-0.5
|
Tachwedd 2015
|
-0.2
|
-0.1
|
-0.2
|
-0.3
|
Rhagfyr 2015
|
-0.8
|
-0.8
|
-0.8
|
-0.8
|
Ionawr 2016
|
0.2
|
0.2
|
0.4
|
0.1
|
Chwefror 2016
|
0.9
|
0.9
|
0.9
|
0.9
|
Mawrth 2016
|
0.6
|
0.6
|
0.6
|
0.6
|
Ebrill 2016
|
0.7
|
0.7
|
0.5
|
0.9
|
Mai 2016
|
-0.8
|
-1.1
|
-0.9
|
-0.5
|
Mehefin 2016
|
1.5
|
1.4
|
1.4
|
1.7
|
Gorffennaf 2016
|
0.4
|
0.4
|
0.4
|
0.4
|
Awst 2016
|
1.4
|
1.5
|
1.4
|
1.2
|
Medi 2016
|
0.2
|
0.2
|
0.4
|
0.0
|
Hydref 2016
|
0.2
|
0.4
|
0.2
|
-0.2
|
Tachwedd 2016
|
-0.6
|
-0.3
|
-0.7
|
-1.1
|
Rhagfyr 2016
|
-1.0
|
-0.9
|
-1.1
|
-1.0
|
Ionawr 2017
|
-0.2
|
-0.1
|
-0.2
|
-0.2
|
Chwefror 2017
|
1.5
|
1.4
|
1.4
|
1.7
|
Mawrth 2017
|
0.4
|
0.5
|
0.5
|
0.3
|
Ebrill 2017
|
1.8
|
1.8
|
1.7
|
1.9
|
Mai 2017
|
-0.1
|
-0.2
|
0.1
|
-0.1
|
Mehefin 2017
|
1.8
|
1.6
|
1.8
|
2.1
|
Gorffennaf 2017
|
0.4
|
0.2
|
0.6
|
0.4
|
Awst 2017
|
0.8
|
0.8
|
0.7
|
0.9
|
Medi 2017
|
0.5
|
0.6
|
0.5
|
0.3
|
Hydref 2017
|
-0.6
|
-0.5
|
-0.6
|
-0.7
|
Tachwedd 2017
|
-0.2
|
-0.1
|
-0.1
|
-0.3
|
Rhagfyr 2017
|
-0.2
|
-0.3
|
-0.1
|
-0.2
|
Ionawr 2018
|
0.6
|
0.6
|
0.7
|
0.6
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai pâr
|
Tai teras
|
Ionawr 2002
|
44.4
|
46.4
|
44.4
|
40.9
|
Chwefror 2002
|
45.6
|
47.6
|
45.5
|
42.0
|
Mawrth 2002
|
46.2
|
48.2
|
46.1
|
42.7
|
Ebrill 2002
|
47.6
|
49.5
|
47.5
|
44.1
|
Mai 2002
|
48.7
|
50.6
|
48.8
|
45.2
|
Mehefin 2002
|
50.4
|
52.2
|
50.3
|
46.8
|
Gorffennaf 2002
|
52.7
|
54.6
|
52.7
|
49.1
|
Awst 2002
|
53.6
|
55.6
|
53.5
|
49.8
|
Medi 2002
|
56.0
|
58.2
|
56.0
|
52.0
|
Hydref 2002
|
56.8
|
58.9
|
56.9
|
52.6
|
Tachwedd 2002
|
59.0
|
61.3
|
59.1
|
54.6
|
Rhagfyr 2002
|
59.6
|
61.6
|
59.8
|
55.2
|
Ionawr 2003
|
61.4
|
63.4
|
61.5
|
57.1
|
Chwefror 2003
|
60.5
|
62.3
|
60.8
|
56.3
|
Mawrth 2003
|
60.3
|
62.1
|
60.6
|
56.2
|
Ebrill 2003
|
61.1
|
62.7
|
61.6
|
57.0
|
Mai 2003
|
63.2
|
64.7
|
63.7
|
59.1
|
Mehefin 2003
|
64.4
|
65.9
|
64.9
|
60.4
|
Gorffennaf 2003
|
65.9
|
67.2
|
66.4
|
61.8
|
Awst 2003
|
67.8
|
69.2
|
68.4
|
63.8
|
Medi 2003
|
69.9
|
71.2
|
70.5
|
65.9
|
Hydref 2003
|
70.9
|
72.1
|
71.4
|
67.0
|
Tachwedd 2003
|
72.2
|
73.3
|
72.7
|
68.3
|
Rhagfyr 2003
|
73.5
|
74.3
|
74.1
|
69.9
|
Ionawr 2004
|
74.6
|
75.4
|
75.2
|
71.0
|
Chwefror 2004
|
75.4
|
76.0
|
76.0
|
72.1
|
Mawrth 2004
|
76.3
|
76.9
|
76.8
|
73.1
|
Ebrill 2004
|
77.9
|
77.8
|
78.6
|
75.1
|
Mai 2004
|
80.6
|
79.9
|
81.4
|
78.2
|
Mehefin 2004
|
84.4
|
83.3
|
85.4
|
82.2
|
Gorffennaf 2004
|
86.9
|
85.7
|
88.0
|
84.7
|
Awst 2004
|
87.9
|
86.8
|
89.0
|
85.6
|
Medi 2004
|
88.8
|
87.9
|
89.8
|
86.4
|
Hydref 2004
|
89.9
|
89.0
|
90.8
|
87.5
|
Tachwedd 2004
|
90.6
|
89.6
|
91.4
|
88.4
|
Rhagfyr 2004
|
90.2
|
88.8
|
90.9
|
88.3
|
Ionawr 2005
|
88.6
|
87.2
|
89.2
|
87.0
|
Chwefror 2005
|
91.6
|
90.1
|
92.2
|
90.1
|
Mawrth 2005
|
92.5
|
90.9
|
93.1
|
90.9
|
Ebrill 2005
|
93.0
|
91.0
|
93.7
|
91.5
|
Mai 2005
|
91.5
|
89.6
|
92.1
|
90.2
|
Mehefin 2005
|
92.1
|
89.9
|
92.7
|
91.2
|
Gorffennaf 2005
|
94.1
|
91.9
|
94.7
|
93.2
|
Awst 2005
|
95.1
|
93.0
|
95.5
|
94.2
|
Medi 2005
|
95.6
|
93.7
|
96.0
|
94.7
|
Hydref 2005
|
95.6
|
93.6
|
95.7
|
94.8
|
Tachwedd 2005
|
95.6
|
93.5
|
95.9
|
95.0
|
Rhagfyr 2005
|
95.8
|
93.4
|
96.0
|
95.4
|
Ionawr 2006
|
96.3
|
93.8
|
96.5
|
96.1
|
Chwefror 2006
|
95.9
|
93.2
|
96.0
|
95.9
|
Mawrth 2006
|
95.8
|
93.2
|
96.0
|
95.8
|
Ebrill 2006
|
96.8
|
94.0
|
97.1
|
96.9
|
Mai 2006
|
98.7
|
95.8
|
99.0
|
98.8
|
Mehefin 2006
|
100.0
|
96.9
|
100.4
|
100.2
|
Gorffennaf 2006
|
100.4
|
97.3
|
100.7
|
100.9
|
Awst 2006
|
101.2
|
98.1
|
101.4
|
101.7
|
Medi 2006
|
102.5
|
99.7
|
102.7
|
102.9
|
Hydref 2006
|
102.5
|
99.8
|
102.7
|
102.7
|
Tachwedd 2006
|
102.2
|
99.5
|
102.4
|
102.4
|
Rhagfyr 2006
|
102.1
|
99.1
|
102.3
|
102.6
|
Ionawr 2007
|
103.2
|
100.0
|
103.4
|
103.8
|
Chwefror 2007
|
103.1
|
99.8
|
103.2
|
103.8
|
Mawrth 2007
|
102.4
|
99.2
|
102.6
|
103.2
|
Ebrill 2007
|
103.0
|
99.5
|
103.2
|
103.9
|
Mai 2007
|
104.2
|
100.4
|
104.4
|
105.5
|
Mehefin 2007
|
105.5
|
101.7
|
105.6
|
106.8
|
Gorffennaf 2007
|
107.3
|
103.7
|
107.2
|
108.6
|
Awst 2007
|
107.3
|
104.2
|
107.2
|
108.5
|
Medi 2007
|
107.9
|
105.0
|
107.7
|
108.9
|
Hydref 2007
|
106.7
|
103.9
|
106.5
|
107.5
|
Tachwedd 2007
|
108.0
|
105.3
|
107.7
|
108.7
|
Rhagfyr 2007
|
107.9
|
105.2
|
107.5
|
108.6
|
Ionawr 2008
|
108.4
|
105.8
|
108.0
|
109.1
|
Chwefror 2008
|
107.6
|
104.9
|
107.1
|
108.3
|
Mawrth 2008
|
107.6
|
104.8
|
107.3
|
108.4
|
Ebrill 2008
|
106.7
|
103.9
|
106.4
|
107.7
|
Mai 2008
|
107.2
|
104.2
|
107.1
|
108.3
|
Mehefin 2008
|
105.5
|
102.6
|
105.3
|
106.6
|
Gorffennaf 2008
|
105.2
|
102.3
|
105.2
|
106.2
|
Awst 2008
|
103.8
|
101.3
|
103.7
|
104.6
|
Medi 2008
|
104.5
|
102.5
|
104.2
|
104.9
|
Hydref 2008
|
102.1
|
100.4
|
101.6
|
102.3
|
Tachwedd 2008
|
101.3
|
99.5
|
100.9
|
101.4
|
Rhagfyr 2008
|
98.2
|
96.2
|
97.9
|
98.6
|
Ionawr 2009
|
95.4
|
93.6
|
95.0
|
95.6
|
Chwefror 2009
|
90.6
|
89.0
|
90.2
|
90.8
|
Mawrth 2009
|
88.4
|
87.0
|
88.0
|
88.5
|
Ebrill 2009
|
89.2
|
87.3
|
89.0
|
89.6
|
Mai 2009
|
91.2
|
89.2
|
91.2
|
91.8
|
Mehefin 2009
|
92.5
|
90.4
|
92.5
|
93.2
|
Gorffennaf 2009
|
95.3
|
93.4
|
95.3
|
96.1
|
Awst 2009
|
96.2
|
94.5
|
96.2
|
97.0
|
Medi 2009
|
97.1
|
95.4
|
97.0
|
97.8
|
Hydref 2009
|
96.5
|
94.8
|
96.5
|
97.1
|
Tachwedd 2009
|
96.9
|
95.4
|
96.8
|
97.6
|
Rhagfyr 2009
|
97.1
|
95.3
|
97.2
|
98.2
|
Ionawr 2010
|
96.8
|
95.2
|
96.8
|
97.7
|
Chwefror 2010
|
95.2
|
93.7
|
95.3
|
95.8
|
Mawrth 2010
|
95.1
|
94.1
|
95.1
|
95.3
|
Ebrill 2010
|
95.6
|
94.5
|
95.7
|
96.0
|
Mai 2010
|
97.1
|
95.9
|
97.0
|
97.6
|
Mehefin 2010
|
98.1
|
96.8
|
98.1
|
98.8
|
Gorffennaf 2010
|
98.7
|
97.7
|
98.6
|
99.2
|
Awst 2010
|
99.0
|
98.1
|
99.0
|
99.2
|
Medi 2010
|
98.6
|
98.1
|
98.5
|
98.5
|
Hydref 2010
|
97.4
|
97.0
|
97.4
|
97.3
|
Tachwedd 2010
|
96.9
|
96.6
|
96.8
|
96.7
|
Rhagfyr 2010
|
96.7
|
96.3
|
96.6
|
96.5
|
Ionawr 2011
|
95.5
|
95.3
|
95.2
|
95.2
|
Chwefror 2011
|
94.9
|
94.9
|
94.5
|
94.7
|
Mawrth 2011
|
93.7
|
93.9
|
93.0
|
93.4
|
Ebrill 2011
|
94.9
|
95.0
|
94.2
|
94.8
|
Mai 2011
|
95.2
|
95.0
|
94.6
|
95.2
|
Mehefin 2011
|
95.6
|
95.0
|
95.3
|
95.6
|
Gorffennaf 2011
|
94.7
|
94.0
|
94.5
|
94.8
|
Awst 2011
|
95.1
|
94.7
|
95.1
|
95.0
|
Medi 2011
|
96.3
|
96.2
|
96.0
|
96.0
|
Hydref 2011
|
97.3
|
97.5
|
97.1
|
96.7
|
Tachwedd 2011
|
97.4
|
97.6
|
97.2
|
96.8
|
Rhagfyr 2011
|
96.4
|
96.4
|
96.3
|
95.7
|
Ionawr 2012
|
95.8
|
95.7
|
95.8
|
95.1
|
Chwefror 2012
|
94.2
|
94.1
|
94.2
|
93.8
|
Mawrth 2012
|
93.7
|
93.4
|
93.7
|
93.7
|
Ebrill 2012
|
93.0
|
92.6
|
92.8
|
93.0
|
Mai 2012
|
94.4
|
93.8
|
94.4
|
94.5
|
Mehefin 2012
|
95.8
|
95.4
|
95.7
|
95.9
|
Gorffennaf 2012
|
95.2
|
94.7
|
95.0
|
95.5
|
Awst 2012
|
94.5
|
94.1
|
94.3
|
94.9
|
Medi 2012
|
93.2
|
93.0
|
92.9
|
93.5
|
Hydref 2012
|
93.8
|
93.6
|
93.7
|
94.1
|
Tachwedd 2012
|
93.5
|
93.2
|
93.3
|
93.7
|
Rhagfyr 2012
|
94.8
|
94.6
|
94.6
|
95.1
|
Ionawr 2013
|
93.2
|
93.0
|
93.1
|
93.4
|
Chwefror 2013
|
92.8
|
92.6
|
92.7
|
92.9
|
Mawrth 2013
|
91.6
|
91.4
|
91.5
|
91.6
|
Ebrill 2013
|
93.9
|
93.7
|
93.7
|
94.2
|
Mai 2013
|
93.8
|
93.5
|
93.7
|
94.1
|
Mehefin 2013
|
95.6
|
95.1
|
95.6
|
96.1
|
Gorffennaf 2013
|
96.5
|
96.0
|
96.5
|
97.1
|
Awst 2013
|
97.6
|
97.1
|
97.6
|
98.1
|
Medi 2013
|
97.1
|
96.9
|
97.0
|
97.5
|
Hydref 2013
|
96.4
|
96.4
|
96.2
|
96.5
|
Tachwedd 2013
|
96.6
|
96.6
|
96.4
|
96.6
|
Rhagfyr 2013
|
96.0
|
95.8
|
96.1
|
96.0
|
Ionawr 2014
|
96.0
|
95.7
|
96.1
|
96.1
|
Chwefror 2014
|
96.1
|
95.9
|
96.0
|
96.3
|
Mawrth 2014
|
96.6
|
96.6
|
96.5
|
96.8
|
Ebrill 2014
|
97.6
|
97.4
|
97.5
|
97.9
|
Mai 2014
|
98.4
|
98.0
|
98.4
|
99.1
|
Mehefin 2014
|
98.5
|
98.0
|
98.4
|
99.2
|
Gorffennaf 2014
|
98.5
|
98.1
|
98.5
|
99.2
|
Awst 2014
|
98.7
|
98.4
|
98.6
|
99.2
|
Medi 2014
|
98.8
|
98.6
|
98.8
|
99.4
|
Hydref 2014
|
100.0
|
99.9
|
99.9
|
100.5
|
Tachwedd 2014
|
100.8
|
100.6
|
100.7
|
101.0
|
Rhagfyr 2014
|
101.2
|
101.2
|
101.2
|
101.4
|
Ionawr 2015
|
100.0
|
100.0
|
100.0
|
100.0
|
Chwefror 2015
|
100.3
|
100.4
|
100.2
|
100.3
|
Mawrth 2015
|
100.6
|
100.9
|
100.5
|
100.4
|
Ebrill 2015
|
101.1
|
101.4
|
101.0
|
100.9
|
Mai 2015
|
101.0
|
101.1
|
100.9
|
100.7
|
Mehefin 2015
|
100.6
|
100.6
|
100.6
|
100.6
|
Gorffennaf 2015
|
101.8
|
101.7
|
101.9
|
101.9
|
Awst 2015
|
103.3
|
103.3
|
103.4
|
103.4
|
Medi 2015
|
105.4
|
105.6
|
105.3
|
105.2
|
Hydref 2015
|
104.9
|
105.3
|
104.9
|
104.7
|
Tachwedd 2015
|
104.8
|
105.2
|
104.8
|
104.4
|
Rhagfyr 2015
|
103.9
|
104.4
|
104.0
|
103.5
|
Ionawr 2016
|
104.2
|
104.6
|
104.3
|
103.6
|
Chwefror 2016
|
105.1
|
105.6
|
105.3
|
104.6
|
Mawrth 2016
|
105.8
|
106.2
|
105.9
|
105.2
|
Ebrill 2016
|
106.5
|
107.0
|
106.5
|
106.1
|
Mai 2016
|
105.6
|
105.8
|
105.6
|
105.6
|
Mehefin 2016
|
107.2
|
107.3
|
107.1
|
107.4
|
Gorffennaf 2016
|
107.7
|
107.7
|
107.6
|
107.8
|
Awst 2016
|
109.1
|
109.4
|
109.0
|
109.1
|
Medi 2016
|
109.4
|
109.6
|
109.4
|
109.2
|
Hydref 2016
|
109.5
|
110.0
|
109.6
|
108.9
|
Tachwedd 2016
|
108.8
|
109.7
|
108.9
|
107.7
|
Rhagfyr 2016
|
107.8
|
108.8
|
107.6
|
106.6
|
Ionawr 2017
|
107.6
|
108.7
|
107.4
|
106.4
|
Chwefror 2017
|
109.2
|
110.1
|
108.9
|
108.2
|
Mawrth 2017
|
109.7
|
110.7
|
109.4
|
108.5
|
Ebrill 2017
|
111.7
|
112.7
|
111.3
|
110.6
|
Mai 2017
|
111.6
|
112.4
|
111.4
|
110.5
|
Mehefin 2017
|
113.6
|
114.1
|
113.4
|
112.8
|
Gorffennaf 2017
|
114.1
|
114.4
|
114.1
|
113.2
|
Awst 2017
|
115.0
|
115.4
|
114.8
|
114.2
|
Medi 2017
|
115.5
|
116.1
|
115.4
|
114.6
|
Hydref 2017
|
114.8
|
115.6
|
114.6
|
113.7
|
Tachwedd 2017
|
114.6
|
115.4
|
114.6
|
113.4
|
Rhagfyr 2017
|
114.4
|
115.1
|
114.5
|
113.2
|
Ionawr 2018
|
115.1
|
115.8
|
115.2
|
113.8
|
Statws y prynwr
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol yn ôl y math o brynwr e.e. Prynwr am y Tro Cyntaf neu Gyn Berchen-Feddiannydd
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
|
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
|
Dyddiad
|
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
|
Dyddiad
|
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
|
Dyddiad
|
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
|
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
|
Ionawr 2002
|
86170.0
|
66406.0
|
Chwefror 2002
|
89369.0
|
68011.0
|
Mawrth 2002
|
90413.0
|
68888.0
|
Ebrill 2002
|
93118.0
|
71035.0
|
Mai 2002
|
94214.0
|
72903.0
|
Mehefin 2002
|
97175.0
|
75335.0
|
Gorffennaf 2002
|
100851.0
|
78960.0
|
Awst 2002
|
102329.0
|
80250.0
|
Medi 2002
|
106149.0
|
84066.0
|
Hydref 2002
|
107575.0
|
85195.0
|
Tachwedd 2002
|
111322.0
|
88623.0
|
Rhagfyr 2002
|
112418.0
|
89507.0
|
Ionawr 2003
|
115026.0
|
92266.0
|
Chwefror 2003
|
113503.0
|
90920.0
|
Mawrth 2003
|
113554.0
|
90584.0
|
Ebrill 2003
|
115671.0
|
91754.0
|
Mai 2003
|
119312.0
|
94916.0
|
Mehefin 2003
|
121322.0
|
96826.0
|
Gorffennaf 2003
|
123728.0
|
99012.0
|
Awst 2003
|
126997.0
|
101996.0
|
Medi 2003
|
130013.0
|
105227.0
|
Hydref 2003
|
131384.0
|
106772.0
|
Tachwedd 2003
|
133552.0
|
108694.0
|
Rhagfyr 2003
|
135871.0
|
110710.0
|
Ionawr 2004
|
138422.0
|
112340.0
|
Chwefror 2004
|
141169.0
|
113457.0
|
Mawrth 2004
|
143631.0
|
114700.0
|
Ebrill 2004
|
145180.0
|
117228.0
|
Mai 2004
|
148906.0
|
121438.0
|
Mehefin 2004
|
155792.0
|
127240.0
|
Gorffennaf 2004
|
159715.0
|
131121.0
|
Awst 2004
|
160651.0
|
132703.0
|
Medi 2004
|
161383.0
|
134214.0
|
Hydref 2004
|
164425.0
|
135738.0
|
Tachwedd 2004
|
166658.0
|
136701.0
|
Rhagfyr 2004
|
167153.0
|
135837.0
|
Ionawr 2005
|
165888.0
|
133257.0
|
Chwefror 2005
|
173590.0
|
137553.0
|
Mawrth 2005
|
176358.0
|
138650.0
|
Ebrill 2005
|
178448.0
|
139263.0
|
Mai 2005
|
175628.0
|
136997.0
|
Mehefin 2005
|
176316.0
|
138029.0
|
Gorffennaf 2005
|
179119.0
|
141143.0
|
Awst 2005
|
180590.0
|
142616.0
|
Medi 2005
|
181825.0
|
143424.0
|
Hydref 2005
|
182249.0
|
143282.0
|
Tachwedd 2005
|
183165.0
|
143317.0
|
Rhagfyr 2005
|
184110.0
|
143475.0
|
Ionawr 2006
|
184996.0
|
144284.0
|
Chwefror 2006
|
184761.0
|
143595.0
|
Mawrth 2006
|
184808.0
|
143474.0
|
Ebrill 2006
|
187174.0
|
144986.0
|
Mai 2006
|
189966.0
|
147867.0
|
Mehefin 2006
|
191634.0
|
149885.0
|
Gorffennaf 2006
|
191054.0
|
150600.0
|
Awst 2006
|
190387.0
|
151838.0
|
Medi 2006
|
191984.0
|
153883.0
|
Hydref 2006
|
191996.0
|
153891.0
|
Tachwedd 2006
|
191419.0
|
153422.0
|
Rhagfyr 2006
|
191348.0
|
153307.0
|
Ionawr 2007
|
193314.0
|
154876.0
|
Chwefror 2007
|
193754.0
|
154728.0
|
Mawrth 2007
|
191863.0
|
153852.0
|
Ebrill 2007
|
191728.0
|
154708.0
|
Mai 2007
|
194488.0
|
156549.0
|
Mehefin 2007
|
196931.0
|
158472.0
|
Gorffennaf 2007
|
201176.0
|
161076.0
|
Awst 2007
|
199151.0
|
161309.0
|
Medi 2007
|
199770.0
|
162174.0
|
Hydref 2007
|
196986.0
|
160402.0
|
Tachwedd 2007
|
200258.0
|
162281.0
|
Rhagfyr 2007
|
201019.0
|
162127.0
|
Ionawr 2008
|
202636.0
|
162860.0
|
Chwefror 2008
|
203550.0
|
161335.0
|
Mawrth 2008
|
205041.0
|
161233.0
|
Ebrill 2008
|
204467.0
|
159806.0
|
Mai 2008
|
204666.0
|
160663.0
|
Mehefin 2008
|
200772.0
|
158116.0
|
Gorffennaf 2008
|
199325.0
|
157837.0
|
Awst 2008
|
194707.0
|
155937.0
|
Medi 2008
|
195084.0
|
157021.0
|
Hydref 2008
|
190259.0
|
153353.0
|
Tachwedd 2008
|
190335.0
|
151991.0
|
Rhagfyr 2008
|
184188.0
|
147422.0
|
Ionawr 2009
|
179236.0
|
143136.0
|
Chwefror 2009
|
170737.0
|
136005.0
|
Mawrth 2009
|
168481.0
|
132596.0
|
Ebrill 2009
|
170367.0
|
133679.0
|
Mai 2009
|
173260.0
|
136815.0
|
Mehefin 2009
|
174027.0
|
138845.0
|
Gorffennaf 2009
|
177922.0
|
143161.0
|
Awst 2009
|
178100.0
|
144624.0
|
Medi 2009
|
179673.0
|
145940.0
|
Hydref 2009
|
177924.0
|
145039.0
|
Tachwedd 2009
|
178984.0
|
145663.0
|
Rhagfyr 2009
|
178454.0
|
146077.0
|
Ionawr 2010
|
175521.0
|
145746.0
|
Chwefror 2010
|
172348.0
|
143269.0
|
Mawrth 2010
|
172828.0
|
143122.0
|
Ebrill 2010
|
175183.0
|
143821.0
|
Mai 2010
|
177071.0
|
146077.0
|
Mehefin 2010
|
177670.0
|
147657.0
|
Gorffennaf 2010
|
177374.0
|
148665.0
|
Awst 2010
|
177496.0
|
149071.0
|
Medi 2010
|
177362.0
|
148417.0
|
Hydref 2010
|
177638.0
|
146552.0
|
Tachwedd 2010
|
177710.0
|
145728.0
|
Rhagfyr 2010
|
178642.0
|
145286.0
|
Ionawr 2011
|
177287.0
|
143341.0
|
Chwefror 2011
|
177331.0
|
142438.0
|
Mawrth 2011
|
176057.0
|
140495.0
|
Ebrill 2011
|
178751.0
|
142279.0
|
Mai 2011
|
180144.0
|
142645.0
|
Mehefin 2011
|
179549.0
|
143329.0
|
Gorffennaf 2011
|
177967.0
|
142020.0
|
Awst 2011
|
177283.0
|
142819.0
|
Medi 2011
|
178608.0
|
144542.0
|
Hydref 2011
|
179967.0
|
146111.0
|
Tachwedd 2011
|
181317.0
|
146229.0
|
Rhagfyr 2011
|
180279.0
|
144659.0
|
Ionawr 2012
|
178811.0
|
143702.0
|
Chwefror 2012
|
175384.0
|
141399.0
|
Mawrth 2012
|
175281.0
|
140666.0
|
Ebrill 2012
|
174059.0
|
139484.0
|
Mai 2012
|
177067.0
|
141649.0
|
Mehefin 2012
|
178571.0
|
143792.0
|
Gorffennaf 2012
|
175592.0
|
142987.0
|
Awst 2012
|
172809.0
|
142039.0
|
Medi 2012
|
169869.0
|
140096.0
|
Hydref 2012
|
173203.0
|
140950.0
|
Tachwedd 2012
|
174856.0
|
140273.0
|
Rhagfyr 2012
|
179196.0
|
142166.0
|
Ionawr 2013
|
175127.0
|
139869.0
|
Chwefror 2013
|
173217.0
|
139229.0
|
Mawrth 2013
|
171220.0
|
137422.0
|
Ebrill 2013
|
177191.0
|
140870.0
|
Mai 2013
|
177661.0
|
140683.0
|
Mehefin 2013
|
179935.0
|
143469.0
|
Gorffennaf 2013
|
180346.0
|
144901.0
|
Awst 2013
|
181459.0
|
146585.0
|
Medi 2013
|
181194.0
|
145798.0
|
Hydref 2013
|
181023.0
|
144689.0
|
Tachwedd 2013
|
182340.0
|
144852.0
|
Rhagfyr 2013
|
182128.0
|
143988.0
|
Ionawr 2014
|
182201.0
|
144022.0
|
Chwefror 2014
|
183293.0
|
144098.0
|
Mawrth 2014
|
183982.0
|
144884.0
|
Ebrill 2014
|
186544.0
|
146285.0
|
Mai 2014
|
188617.0
|
147577.0
|
Mehefin 2014
|
188436.0
|
147614.0
|
Gorffennaf 2014
|
187574.0
|
147713.0
|
Awst 2014
|
185840.0
|
148030.0
|
Medi 2014
|
184892.0
|
148353.0
|
Hydref 2014
|
187128.0
|
150144.0
|
Tachwedd 2014
|
188484.0
|
151228.0
|
Rhagfyr 2014
|
190736.0
|
151888.0
|
Ionawr 2015
|
189473.0
|
149990.0
|
Chwefror 2015
|
192111.0
|
150423.0
|
Mawrth 2015
|
193589.0
|
150821.0
|
Ebrill 2015
|
194821.0
|
151560.0
|
Mai 2015
|
193696.0
|
151310.0
|
Mehefin 2015
|
191000.0
|
150798.0
|
Gorffennaf 2015
|
192436.0
|
152698.0
|
Awst 2015
|
194398.0
|
154988.0
|
Medi 2015
|
198460.0
|
158059.0
|
Hydref 2015
|
197886.0
|
157438.0
|
Tachwedd 2015
|
197789.0
|
157148.0
|
Rhagfyr 2015
|
198219.0
|
155823.0
|
Ionawr 2016
|
198929.0
|
156170.0
|
Chwefror 2016
|
200385.0
|
157579.0
|
Mawrth 2016
|
198369.0
|
158727.0
|
Ebrill 2016
|
201988.0
|
159734.0
|
Mai 2016
|
204659.0
|
158242.0
|
Mehefin 2016
|
210949.0
|
160491.0
|
Gorffennaf 2016
|
209989.0
|
161251.0
|
Awst 2016
|
209711.0
|
163546.0
|
Medi 2016
|
209845.0
|
163922.0
|
Hydref 2016
|
211408.0
|
164121.0
|
Tachwedd 2016
|
211658.0
|
163026.0
|
Rhagfyr 2016
|
210665.0
|
161376.0
|
Ionawr 2017
|
212048.0
|
161033.0
|
Chwefror 2017
|
215590.0
|
163433.0
|
Mawrth 2017
|
217198.0
|
164133.0
|
Ebrill 2017
|
219321.0
|
167192.0
|
Mai 2017
|
218623.0
|
167108.0
|
Mehefin 2017
|
220940.0
|
170208.0
|
Gorffennaf 2017
|
221521.0
|
170933.0
|
Awst 2017
|
222109.0
|
172294.0
|
Medi 2017
|
223886.0
|
173053.0
|
Hydref 2017
|
223130.0
|
171923.0
|
Tachwedd 2017
|
222995.0
|
171633.0
|
Rhagfyr 2017
|
222426.0
|
171344.0
|
Ionawr 2018
|
225286.0
|
172344.0
|
Dyddiad
|
Adeilad newydd
|
Eiddo presennol
|
Ionawr 2002
|
11.0
|
9.8
|
Chwefror 2002
|
12.9
|
11.4
|
Mawrth 2002
|
15.8
|
14.7
|
Ebrill 2002
|
18.7
|
17.0
|
Mai 2002
|
21.3
|
19.5
|
Mehefin 2002
|
25.4
|
23.7
|
Gorffennaf 2002
|
28.1
|
27.2
|
Awst 2002
|
27.2
|
27.3
|
Medi 2002
|
27.2
|
29.1
|
Hydref 2002
|
28.2
|
31.1
|
Tachwedd 2002
|
31.7
|
35.5
|
Rhagfyr 2002
|
31.6
|
35.7
|
Ionawr 2003
|
33.5
|
38.9
|
Chwefror 2003
|
27.0
|
33.7
|
Mawrth 2003
|
25.6
|
31.5
|
Ebrill 2003
|
24.2
|
29.2
|
Mai 2003
|
26.6
|
30.2
|
Mehefin 2003
|
24.8
|
28.5
|
Gorffennaf 2003
|
22.7
|
25.4
|
Awst 2003
|
24.1
|
27.1
|
Medi 2003
|
22.5
|
25.2
|
Hydref 2003
|
22.1
|
25.3
|
Tachwedd 2003
|
20.0
|
22.6
|
Rhagfyr 2003
|
20.9
|
23.7
|
Ionawr 2004
|
20.3
|
21.8
|
Chwefror 2004
|
24.4
|
24.8
|
Mawrth 2004
|
26.5
|
26.6
|
Ebrill 2004
|
25.5
|
27.8
|
Mai 2004
|
24.8
|
27.9
|
Mehefin 2004
|
28.4
|
31.4
|
Gorffennaf 2004
|
29.1
|
32.4
|
Awst 2004
|
26.5
|
30.1
|
Medi 2004
|
24.1
|
27.6
|
Hydref 2004
|
25.2
|
27.1
|
Tachwedd 2004
|
24.8
|
25.8
|
Rhagfyr 2004
|
23.0
|
22.7
|
Ionawr 2005
|
19.8
|
18.6
|
Chwefror 2005
|
23.0
|
21.2
|
Mawrth 2005
|
22.8
|
20.9
|
Ebrill 2005
|
22.9
|
18.8
|
Mai 2005
|
18.0
|
12.8
|
Mehefin 2005
|
13.2
|
8.5
|
Gorffennaf 2005
|
12.2
|
7.6
|
Awst 2005
|
12.4
|
7.5
|
Medi 2005
|
12.7
|
6.9
|
Hydref 2005
|
10.8
|
5.6
|
Tachwedd 2005
|
9.9
|
4.8
|
Rhagfyr 2005
|
10.1
|
5.6
|
Ionawr 2006
|
11.5
|
8.3
|
Chwefror 2006
|
6.4
|
4.4
|
Mawrth 2006
|
4.8
|
3.5
|
Ebrill 2006
|
4.9
|
4.1
|
Mai 2006
|
8.2
|
7.9
|
Mehefin 2006
|
8.7
|
8.6
|
Gorffennaf 2006
|
6.7
|
6.7
|
Awst 2006
|
5.4
|
6.5
|
Medi 2006
|
5.6
|
7.3
|
Hydref 2006
|
5.4
|
7.4
|
Tachwedd 2006
|
4.5
|
7.0
|
Rhagfyr 2006
|
3.9
|
6.8
|
Ionawr 2007
|
4.5
|
7.3
|
Chwefror 2007
|
4.9
|
7.8
|
Mawrth 2007
|
3.8
|
7.2
|
Ebrill 2007
|
2.4
|
6.7
|
Mai 2007
|
2.4
|
5.9
|
Mehefin 2007
|
2.8
|
5.7
|
Gorffennaf 2007
|
5.3
|
7.0
|
Awst 2007
|
4.6
|
6.2
|
Medi 2007
|
4.1
|
5.4
|
Hydref 2007
|
2.6
|
4.2
|
Tachwedd 2007
|
4.6
|
5.8
|
Rhagfyr 2007
|
5.0
|
5.8
|
Ionawr 2008
|
4.8
|
5.2
|
Chwefror 2008
|
5.1
|
4.3
|
Mawrth 2008
|
6.9
|
4.8
|
Ebrill 2008
|
6.6
|
3.3
|
Mai 2008
|
5.2
|
2.6
|
Mehefin 2008
|
2.0
|
-0.2
|
Gorffennaf 2008
|
-0.9
|
-2.0
|
Awst 2008
|
-2.2
|
-3.3
|
Medi 2008
|
-2.4
|
-3.2
|
Hydref 2008
|
-3.4
|
-4.4
|
Tachwedd 2008
|
-5.0
|
-6.3
|
Rhagfyr 2008
|
-8.4
|
-9.1
|
Ionawr 2009
|
-11.6
|
-12.1
|
Chwefror 2009
|
-16.1
|
-15.7
|
Mawrth 2009
|
-17.8
|
-17.8
|
Ebrill 2009
|
-16.7
|
-16.4
|
Mai 2009
|
-15.3
|
-14.8
|
Mehefin 2009
|
-13.3
|
-12.2
|
Gorffennaf 2009
|
-10.7
|
-9.3
|
Awst 2009
|
-8.5
|
-7.2
|
Medi 2009
|
-7.9
|
-7.1
|
Hydref 2009
|
-6.5
|
-5.4
|
Tachwedd 2009
|
-6.0
|
-4.2
|
Rhagfyr 2009
|
-3.1
|
-0.9
|
Ionawr 2010
|
-2.1
|
1.8
|
Chwefror 2010
|
0.9
|
5.3
|
Mawrth 2010
|
2.6
|
7.9
|
Ebrill 2010
|
2.8
|
7.6
|
Mai 2010
|
2.2
|
6.8
|
Mehefin 2010
|
2.1
|
6.4
|
Gorffennaf 2010
|
-0.3
|
3.8
|
Awst 2010
|
-0.3
|
3.1
|
Medi 2010
|
-1.3
|
1.7
|
Hydref 2010
|
-0.2
|
1.0
|
Tachwedd 2010
|
-0.7
|
0.0
|
Rhagfyr 2010
|
0.1
|
-0.5
|
Ionawr 2011
|
1.0
|
-1.6
|
Chwefror 2011
|
2.9
|
-0.6
|
Mawrth 2011
|
1.9
|
-1.8
|
Ebrill 2011
|
2.0
|
-1.1
|
Mai 2011
|
1.7
|
-2.4
|
Mehefin 2011
|
1.1
|
-2.9
|
Gorffennaf 2011
|
0.3
|
-4.5
|
Awst 2011
|
-0.1
|
-4.2
|
Medi 2011
|
0.7
|
-2.6
|
Hydref 2011
|
1.3
|
-0.3
|
Tachwedd 2011
|
2.0
|
0.3
|
Rhagfyr 2011
|
0.9
|
-0.4
|
Ionawr 2012
|
0.9
|
0.2
|
Chwefror 2012
|
-1.1
|
-0.7
|
Mawrth 2012
|
-0.4
|
0.1
|
Ebrill 2012
|
-2.6
|
-2.0
|
Mai 2012
|
-1.7
|
-0.7
|
Mehefin 2012
|
-0.5
|
0.3
|
Gorffennaf 2012
|
-1.3
|
0.7
|
Awst 2012
|
-2.5
|
-0.6
|
Medi 2012
|
-4.9
|
-3.1
|
Hydref 2012
|
-3.8
|
-3.5
|
Tachwedd 2012
|
-3.6
|
-4.1
|
Rhagfyr 2012
|
-0.6
|
-1.7
|
Ionawr 2013
|
-2.1
|
-2.7
|
Chwefror 2013
|
-1.2
|
-1.5
|
Mawrth 2013
|
-2.3
|
-2.3
|
Ebrill 2013
|
1.8
|
1.0
|
Mai 2013
|
0.3
|
-0.7
|
Mehefin 2013
|
0.8
|
-0.2
|
Gorffennaf 2013
|
2.7
|
1.3
|
Awst 2013
|
5.0
|
3.2
|
Medi 2013
|
6.7
|
4.1
|
Hydref 2013
|
4.5
|
2.6
|
Tachwedd 2013
|
4.3
|
3.3
|
Rhagfyr 2013
|
1.6
|
1.3
|
Ionawr 2014
|
4.0
|
3.0
|
Chwefror 2014
|
5.8
|
3.5
|
Mawrth 2014
|
7.4
|
5.4
|
Ebrill 2014
|
5.3
|
3.8
|
Mai 2014
|
6.2
|
4.9
|
Mehefin 2014
|
4.7
|
2.9
|
Gorffennaf 2014
|
4.0
|
1.9
|
Awst 2014
|
2.4
|
1.0
|
Medi 2014
|
2.0
|
1.8
|
Hydref 2014
|
3.4
|
3.8
|
Tachwedd 2014
|
3.4
|
4.4
|
Rhagfyr 2014
|
4.7
|
5.5
|
Ionawr 2015
|
4.0
|
4.1
|
Chwefror 2015
|
4.8
|
4.4
|
Mawrth 2015
|
5.2
|
4.1
|
Ebrill 2015
|
4.4
|
3.6
|
Mai 2015
|
2.7
|
2.5
|
Mehefin 2015
|
1.4
|
2.2
|
Gorffennaf 2015
|
2.6
|
3.4
|
Awst 2015
|
4.6
|
4.7
|
Medi 2015
|
7.3
|
6.5
|
Hydref 2015
|
5.8
|
4.9
|
Tachwedd 2015
|
4.9
|
3.9
|
Rhagfyr 2015
|
3.9
|
2.6
|
Ionawr 2016
|
5.0
|
4.1
|
Chwefror 2016
|
4.3
|
4.8
|
Mawrth 2016
|
2.5
|
5.2
|
Ebrill 2016
|
3.7
|
5.4
|
Mai 2016
|
5.7
|
4.6
|
Mehefin 2016
|
10.4
|
6.4
|
Gorffennaf 2016
|
9.1
|
5.6
|
Awst 2016
|
7.9
|
5.5
|
Medi 2016
|
5.7
|
3.7
|
Hydref 2016
|
6.8
|
4.2
|
Tachwedd 2016
|
7.0
|
3.7
|
Rhagfyr 2016
|
6.3
|
3.6
|
Ionawr 2017
|
6.6
|
3.1
|
Chwefror 2017
|
7.6
|
3.7
|
Mawrth 2017
|
9.5
|
3.4
|
Ebrill 2017
|
5.0
|
4.3
|
Mai 2017
|
4.6
|
5.3
|
Mehefin 2017
|
4.7
|
6.0
|
Gorffennaf 2017
|
5.5
|
6.0
|
Awst 2017
|
5.9
|
5.4
|
Medi 2017
|
6.7
|
5.6
|
Hydref 2017
|
5.5
|
4.8
|
Tachwedd 2017
|
5.4
|
5.3
|
Rhagfyr 2017
|
5.6
|
6.2
|
Ionawr 2018
|
6.2
|
7.0
|
Dyddiad
|
Adeilad newydd
|
Eiddo presennol
|
Ionawr 2002
|
0.9
|
0.6
|
Chwefror 2002
|
3.7
|
2.4
|
Mawrth 2002
|
1.2
|
1.3
|
Ebrill 2002
|
3.0
|
3.1
|
Mai 2002
|
1.2
|
2.6
|
Mehefin 2002
|
3.1
|
3.3
|
Gorffennaf 2002
|
3.8
|
4.8
|
Awst 2002
|
1.5
|
1.6
|
Medi 2002
|
3.7
|
4.8
|
Hydref 2002
|
1.3
|
1.3
|
Tachwedd 2002
|
3.5
|
4.0
|
Rhagfyr 2002
|
1.0
|
1.0
|
Ionawr 2003
|
2.3
|
3.1
|
Chwefror 2003
|
-1.3
|
-1.5
|
Mawrth 2003
|
0.1
|
-0.4
|
Ebrill 2003
|
1.9
|
1.3
|
Mai 2003
|
3.2
|
3.4
|
Mehefin 2003
|
1.7
|
2.0
|
Gorffennaf 2003
|
2.0
|
2.3
|
Awst 2003
|
2.6
|
3.0
|
Medi 2003
|
2.4
|
3.2
|
Hydref 2003
|
1.0
|
1.5
|
Tachwedd 2003
|
1.6
|
1.8
|
Rhagfyr 2003
|
1.7
|
1.8
|
Ionawr 2004
|
1.9
|
1.5
|
Chwefror 2004
|
2.0
|
1.0
|
Mawrth 2004
|
1.7
|
1.1
|
Ebrill 2004
|
1.1
|
2.2
|
Mai 2004
|
2.6
|
3.6
|
Mehefin 2004
|
4.6
|
4.8
|
Gorffennaf 2004
|
2.5
|
3.0
|
Awst 2004
|
0.6
|
1.2
|
Medi 2004
|
0.5
|
1.1
|
Hydref 2004
|
1.9
|
1.1
|
Tachwedd 2004
|
1.4
|
0.7
|
Rhagfyr 2004
|
0.3
|
-0.6
|
Ionawr 2005
|
-0.8
|
-1.9
|
Chwefror 2005
|
4.6
|
3.2
|
Mawrth 2005
|
1.6
|
0.8
|
Ebrill 2005
|
1.2
|
0.4
|
Mai 2005
|
-1.6
|
-1.6
|
Mehefin 2005
|
0.4
|
0.8
|
Gorffennaf 2005
|
1.6
|
2.3
|
Awst 2005
|
0.8
|
1.0
|
Medi 2005
|
0.7
|
0.6
|
Hydref 2005
|
0.2
|
-0.1
|
Tachwedd 2005
|
0.5
|
0.0
|
Rhagfyr 2005
|
0.5
|
0.1
|
Ionawr 2006
|
0.5
|
0.6
|
Chwefror 2006
|
-0.1
|
-0.5
|
Mawrth 2006
|
0.0
|
-0.1
|
Ebrill 2006
|
1.3
|
1.0
|
Mai 2006
|
1.5
|
2.0
|
Mehefin 2006
|
0.9
|
1.4
|
Gorffennaf 2006
|
-0.3
|
0.5
|
Awst 2006
|
-0.4
|
0.8
|
Medi 2006
|
0.8
|
1.4
|
Hydref 2006
|
0.0
|
0.0
|
Tachwedd 2006
|
-0.3
|
-0.3
|
Rhagfyr 2006
|
-0.0
|
-0.1
|
Ionawr 2007
|
1.0
|
1.0
|
Chwefror 2007
|
0.2
|
-0.1
|
Mawrth 2007
|
-1.0
|
-0.6
|
Ebrill 2007
|
-0.1
|
0.6
|
Mai 2007
|
1.4
|
1.2
|
Mehefin 2007
|
1.3
|
1.2
|
Gorffennaf 2007
|
2.2
|
1.6
|
Awst 2007
|
-1.0
|
0.1
|
Medi 2007
|
0.3
|
0.5
|
Hydref 2007
|
-1.4
|
-1.1
|
Tachwedd 2007
|
1.7
|
1.2
|
Rhagfyr 2007
|
0.4
|
-0.1
|
Ionawr 2008
|
0.8
|
0.4
|
Chwefror 2008
|
0.4
|
-0.9
|
Mawrth 2008
|
0.7
|
-0.1
|
Ebrill 2008
|
-0.3
|
-0.9
|
Mai 2008
|
0.1
|
0.5
|
Mehefin 2008
|
-1.9
|
-1.6
|
Gorffennaf 2008
|
-0.7
|
-0.2
|
Awst 2008
|
-2.3
|
-1.2
|
Medi 2008
|
0.2
|
0.7
|
Hydref 2008
|
-2.5
|
-2.3
|
Tachwedd 2008
|
0.0
|
-0.9
|
Rhagfyr 2008
|
-3.2
|
-3.0
|
Ionawr 2009
|
-2.7
|
-2.9
|
Chwefror 2009
|
-4.7
|
-5.0
|
Mawrth 2009
|
-1.3
|
-2.5
|
Ebrill 2009
|
1.1
|
0.8
|
Mai 2009
|
1.7
|
2.4
|
Mehefin 2009
|
0.4
|
1.5
|
Gorffennaf 2009
|
2.2
|
3.1
|
Awst 2009
|
0.1
|
1.0
|
Medi 2009
|
0.9
|
0.9
|
Hydref 2009
|
-1.0
|
-0.6
|
Tachwedd 2009
|
0.6
|
0.4
|
Rhagfyr 2009
|
-0.3
|
0.3
|
Ionawr 2010
|
-1.6
|
-0.2
|
Chwefror 2010
|
-1.8
|
-1.7
|
Mawrth 2010
|
0.3
|
-0.1
|
Ebrill 2010
|
1.4
|
0.5
|
Mai 2010
|
1.1
|
1.6
|
Mehefin 2010
|
0.3
|
1.1
|
Gorffennaf 2010
|
-0.2
|
0.7
|
Awst 2010
|
0.1
|
0.3
|
Medi 2010
|
-0.1
|
-0.4
|
Hydref 2010
|
0.2
|
-1.3
|
Tachwedd 2010
|
0.0
|
-0.6
|
Rhagfyr 2010
|
0.5
|
-0.3
|
Ionawr 2011
|
-0.8
|
-1.3
|
Chwefror 2011
|
0.0
|
-0.6
|
Mawrth 2011
|
-0.7
|
-1.4
|
Ebrill 2011
|
1.5
|
1.3
|
Mai 2011
|
0.8
|
0.3
|
Mehefin 2011
|
-0.3
|
0.5
|
Gorffennaf 2011
|
-0.9
|
-0.9
|
Awst 2011
|
-0.4
|
0.6
|
Medi 2011
|
0.8
|
1.2
|
Hydref 2011
|
0.8
|
1.1
|
Tachwedd 2011
|
0.8
|
0.1
|
Rhagfyr 2011
|
-0.6
|
-1.1
|
Ionawr 2012
|
-0.8
|
-0.7
|
Chwefror 2012
|
-1.9
|
-1.6
|
Mawrth 2012
|
-0.1
|
-0.5
|
Ebrill 2012
|
-0.7
|
-0.8
|
Mai 2012
|
1.7
|
1.6
|
Mehefin 2012
|
0.8
|
1.5
|
Gorffennaf 2012
|
-1.7
|
-0.6
|
Awst 2012
|
-1.6
|
-0.7
|
Medi 2012
|
-1.7
|
-1.4
|
Hydref 2012
|
2.0
|
0.6
|
Tachwedd 2012
|
1.0
|
-0.5
|
Rhagfyr 2012
|
2.5
|
1.4
|
Ionawr 2013
|
-2.3
|
-1.6
|
Chwefror 2013
|
-1.1
|
-0.5
|
Mawrth 2013
|
-1.2
|
-1.3
|
Ebrill 2013
|
3.5
|
2.5
|
Mai 2013
|
0.3
|
-0.1
|
Mehefin 2013
|
1.3
|
2.0
|
Gorffennaf 2013
|
0.2
|
1.0
|
Awst 2013
|
0.6
|
1.2
|
Medi 2013
|
-0.2
|
-0.5
|
Hydref 2013
|
-0.1
|
-0.8
|
Tachwedd 2013
|
0.7
|
0.1
|
Rhagfyr 2013
|
-0.1
|
-0.6
|
Ionawr 2014
|
0.0
|
0.0
|
Chwefror 2014
|
0.6
|
0.1
|
Mawrth 2014
|
0.4
|
0.6
|
Ebrill 2014
|
1.4
|
1.0
|
Mai 2014
|
1.1
|
0.9
|
Mehefin 2014
|
-0.1
|
0.0
|
Gorffennaf 2014
|
-0.5
|
0.1
|
Awst 2014
|
-0.9
|
0.2
|
Medi 2014
|
-0.5
|
0.2
|
Hydref 2014
|
1.2
|
1.2
|
Tachwedd 2014
|
0.7
|
0.7
|
Rhagfyr 2014
|
1.2
|
0.4
|
Ionawr 2015
|
-0.7
|
-1.2
|
Chwefror 2015
|
1.4
|
0.3
|
Mawrth 2015
|
0.8
|
0.3
|
Ebrill 2015
|
0.6
|
0.5
|
Mai 2015
|
-0.6
|
-0.2
|
Mehefin 2015
|
-1.4
|
-0.3
|
Gorffennaf 2015
|
0.8
|
1.3
|
Awst 2015
|
1.0
|
1.5
|
Medi 2015
|
2.1
|
2.0
|
Hydref 2015
|
-0.3
|
-0.4
|
Tachwedd 2015
|
-0.1
|
-0.2
|
Rhagfyr 2015
|
0.2
|
-0.8
|
Ionawr 2016
|
0.4
|
0.2
|
Chwefror 2016
|
0.7
|
0.9
|
Mawrth 2016
|
-1.0
|
0.7
|
Ebrill 2016
|
1.8
|
0.6
|
Mai 2016
|
1.3
|
-0.9
|
Mehefin 2016
|
3.1
|
1.4
|
Gorffennaf 2016
|
-0.5
|
0.5
|
Awst 2016
|
-0.1
|
1.4
|
Medi 2016
|
0.1
|
0.2
|
Hydref 2016
|
0.7
|
0.1
|
Tachwedd 2016
|
0.1
|
-0.7
|
Rhagfyr 2016
|
-0.5
|
-1.0
|
Ionawr 2017
|
0.7
|
-0.2
|
Chwefror 2017
|
1.7
|
1.5
|
Mawrth 2017
|
0.8
|
0.4
|
Ebrill 2017
|
1.0
|
1.9
|
Mai 2017
|
-0.3
|
-0.1
|
Mehefin 2017
|
1.1
|
1.9
|
Gorffennaf 2017
|
0.3
|
0.4
|
Awst 2017
|
0.3
|
0.8
|
Medi 2017
|
0.8
|
0.4
|
Hydref 2017
|
-0.3
|
-0.6
|
Tachwedd 2017
|
-0.1
|
-0.2
|
Rhagfyr 2017
|
-0.3
|
-0.2
|
Ionawr 2018
|
1.3
|
0.6
|
Dyddiad
|
Adeilad newydd
|
Eiddo presennol
|
Ionawr 2002
|
45.5
|
44.3
|
Chwefror 2002
|
47.2
|
45.3
|
Mawrth 2002
|
47.7
|
45.9
|
Ebrill 2002
|
49.2
|
47.4
|
Mai 2002
|
49.7
|
48.6
|
Mehefin 2002
|
51.3
|
50.2
|
Gorffennaf 2002
|
53.2
|
52.6
|
Awst 2002
|
54.0
|
53.5
|
Medi 2002
|
56.0
|
56.0
|
Hydref 2002
|
56.8
|
56.8
|
Tachwedd 2002
|
58.8
|
59.1
|
Rhagfyr 2002
|
59.3
|
59.7
|
Ionawr 2003
|
60.7
|
61.5
|
Chwefror 2003
|
59.9
|
60.6
|
Mawrth 2003
|
59.9
|
60.4
|
Ebrill 2003
|
61.0
|
61.2
|
Mai 2003
|
63.0
|
63.3
|
Mehefin 2003
|
64.0
|
64.6
|
Gorffennaf 2003
|
65.3
|
66.0
|
Awst 2003
|
67.0
|
68.0
|
Medi 2003
|
68.6
|
70.2
|
Hydref 2003
|
69.3
|
71.2
|
Tachwedd 2003
|
70.5
|
72.5
|
Rhagfyr 2003
|
71.7
|
73.8
|
Ionawr 2004
|
73.1
|
74.9
|
Chwefror 2004
|
74.5
|
75.6
|
Mawrth 2004
|
75.8
|
76.5
|
Ebrill 2004
|
76.6
|
78.2
|
Mai 2004
|
78.6
|
81.0
|
Mehefin 2004
|
82.2
|
84.8
|
Gorffennaf 2004
|
84.3
|
87.4
|
Awst 2004
|
84.8
|
88.5
|
Medi 2004
|
85.2
|
89.5
|
Hydref 2004
|
86.8
|
90.5
|
Tachwedd 2004
|
88.0
|
91.1
|
Rhagfyr 2004
|
88.2
|
90.6
|
Ionawr 2005
|
87.6
|
88.8
|
Chwefror 2005
|
91.6
|
91.7
|
Mawrth 2005
|
93.1
|
92.4
|
Ebrill 2005
|
94.2
|
92.8
|
Mai 2005
|
92.7
|
91.3
|
Mehefin 2005
|
93.1
|
92.0
|
Gorffennaf 2005
|
94.5
|
94.1
|
Awst 2005
|
95.3
|
95.1
|
Medi 2005
|
96.0
|
95.6
|
Hydref 2005
|
96.2
|
95.5
|
Tachwedd 2005
|
96.7
|
95.6
|
Rhagfyr 2005
|
97.2
|
95.7
|
Ionawr 2006
|
97.6
|
96.2
|
Chwefror 2006
|
97.5
|
95.7
|
Mawrth 2006
|
97.5
|
95.7
|
Ebrill 2006
|
98.8
|
96.7
|
Mai 2006
|
100.3
|
98.6
|
Mehefin 2006
|
101.1
|
99.9
|
Gorffennaf 2006
|
100.8
|
100.4
|
Awst 2006
|
100.5
|
101.2
|
Medi 2006
|
101.3
|
102.6
|
Hydref 2006
|
101.3
|
102.6
|
Tachwedd 2006
|
101.0
|
102.3
|
Rhagfyr 2006
|
101.0
|
102.2
|
Ionawr 2007
|
102.0
|
103.3
|
Chwefror 2007
|
102.3
|
103.2
|
Mawrth 2007
|
101.3
|
102.6
|
Ebrill 2007
|
101.2
|
103.2
|
Mai 2007
|
102.6
|
104.4
|
Mehefin 2007
|
103.9
|
105.6
|
Gorffennaf 2007
|
106.2
|
107.4
|
Awst 2007
|
105.1
|
107.6
|
Medi 2007
|
105.4
|
108.1
|
Hydref 2007
|
104.0
|
106.9
|
Tachwedd 2007
|
105.7
|
108.2
|
Rhagfyr 2007
|
106.1
|
108.1
|
Ionawr 2008
|
107.0
|
108.6
|
Chwefror 2008
|
107.4
|
107.6
|
Mawrth 2008
|
108.2
|
107.5
|
Ebrill 2008
|
107.9
|
106.5
|
Mai 2008
|
108.0
|
107.1
|
Mehefin 2008
|
106.0
|
105.4
|
Gorffennaf 2008
|
105.2
|
105.2
|
Awst 2008
|
102.8
|
104.0
|
Medi 2008
|
103.0
|
104.7
|
Hydref 2008
|
100.4
|
102.2
|
Tachwedd 2008
|
100.4
|
101.3
|
Rhagfyr 2008
|
97.2
|
98.3
|
Ionawr 2009
|
94.6
|
95.4
|
Chwefror 2009
|
90.1
|
90.7
|
Mawrth 2009
|
88.9
|
88.4
|
Ebrill 2009
|
89.9
|
89.1
|
Mai 2009
|
91.4
|
91.2
|
Mehefin 2009
|
91.8
|
92.6
|
Gorffennaf 2009
|
93.9
|
95.4
|
Awst 2009
|
94.0
|
96.4
|
Medi 2009
|
94.8
|
97.3
|
Hydref 2009
|
93.9
|
96.7
|
Tachwedd 2009
|
94.5
|
97.1
|
Rhagfyr 2009
|
94.2
|
97.4
|
Ionawr 2010
|
92.6
|
97.2
|
Chwefror 2010
|
91.0
|
95.5
|
Mawrth 2010
|
91.2
|
95.4
|
Ebrill 2010
|
92.5
|
95.9
|
Mai 2010
|
93.4
|
97.4
|
Mehefin 2010
|
93.8
|
98.4
|
Gorffennaf 2010
|
93.6
|
99.1
|
Awst 2010
|
93.7
|
99.4
|
Medi 2010
|
93.6
|
99.0
|
Hydref 2010
|
93.8
|
97.7
|
Tachwedd 2010
|
93.8
|
97.2
|
Rhagfyr 2010
|
94.3
|
96.9
|
Ionawr 2011
|
93.6
|
95.6
|
Chwefror 2011
|
93.6
|
95.0
|
Mawrth 2011
|
92.9
|
93.7
|
Ebrill 2011
|
94.3
|
94.9
|
Mai 2011
|
95.1
|
95.1
|
Mehefin 2011
|
94.8
|
95.6
|
Gorffennaf 2011
|
93.9
|
94.7
|
Awst 2011
|
93.6
|
95.2
|
Medi 2011
|
94.3
|
96.4
|
Hydref 2011
|
95.0
|
97.4
|
Tachwedd 2011
|
95.7
|
97.5
|
Rhagfyr 2011
|
95.2
|
96.4
|
Ionawr 2012
|
94.4
|
95.8
|
Chwefror 2012
|
92.6
|
94.3
|
Mawrth 2012
|
92.5
|
93.8
|
Ebrill 2012
|
91.9
|
93.0
|
Mai 2012
|
93.4
|
94.4
|
Mehefin 2012
|
94.2
|
95.9
|
Gorffennaf 2012
|
92.7
|
95.3
|
Awst 2012
|
91.2
|
94.7
|
Medi 2012
|
89.6
|
93.4
|
Hydref 2012
|
91.4
|
94.0
|
Tachwedd 2012
|
92.3
|
93.5
|
Rhagfyr 2012
|
94.6
|
94.8
|
Ionawr 2013
|
92.4
|
93.2
|
Chwefror 2013
|
91.4
|
92.8
|
Mawrth 2013
|
90.4
|
91.6
|
Ebrill 2013
|
93.5
|
93.9
|
Mai 2013
|
93.8
|
93.8
|
Mehefin 2013
|
95.0
|
95.6
|
Gorffennaf 2013
|
95.2
|
96.6
|
Awst 2013
|
95.8
|
97.7
|
Medi 2013
|
95.6
|
97.2
|
Hydref 2013
|
95.5
|
96.5
|
Tachwedd 2013
|
96.2
|
96.6
|
Rhagfyr 2013
|
96.1
|
96.0
|
Ionawr 2014
|
96.2
|
96.0
|
Chwefror 2014
|
96.7
|
96.1
|
Mawrth 2014
|
97.1
|
96.6
|
Ebrill 2014
|
98.4
|
97.5
|
Mai 2014
|
99.6
|
98.4
|
Mehefin 2014
|
99.4
|
98.4
|
Gorffennaf 2014
|
99.0
|
98.5
|
Awst 2014
|
98.1
|
98.7
|
Medi 2014
|
97.6
|
98.9
|
Hydref 2014
|
98.8
|
100.1
|
Tachwedd 2014
|
99.5
|
100.8
|
Rhagfyr 2014
|
100.7
|
101.3
|
Ionawr 2015
|
100.0
|
100.0
|
Chwefror 2015
|
101.4
|
100.3
|
Mawrth 2015
|
102.2
|
100.6
|
Ebrill 2015
|
102.8
|
101.0
|
Mai 2015
|
102.2
|
100.9
|
Mehefin 2015
|
100.8
|
100.5
|
Gorffennaf 2015
|
101.6
|
101.8
|
Awst 2015
|
102.6
|
103.3
|
Medi 2015
|
104.7
|
105.4
|
Hydref 2015
|
104.4
|
105.0
|
Tachwedd 2015
|
104.4
|
104.8
|
Rhagfyr 2015
|
104.6
|
103.9
|
Ionawr 2016
|
105.0
|
104.1
|
Chwefror 2016
|
105.8
|
105.1
|
Mawrth 2016
|
104.7
|
105.8
|
Ebrill 2016
|
106.6
|
106.5
|
Mai 2016
|
108.0
|
105.5
|
Mehefin 2016
|
111.3
|
107.0
|
Gorffennaf 2016
|
110.8
|
107.5
|
Awst 2016
|
110.7
|
109.0
|
Medi 2016
|
110.8
|
109.3
|
Hydref 2016
|
111.6
|
109.4
|
Tachwedd 2016
|
111.7
|
108.7
|
Rhagfyr 2016
|
111.2
|
107.6
|
Ionawr 2017
|
111.9
|
107.4
|
Chwefror 2017
|
113.8
|
109.0
|
Mawrth 2017
|
114.6
|
109.4
|
Ebrill 2017
|
115.8
|
111.5
|
Mai 2017
|
115.4
|
111.4
|
Mehefin 2017
|
116.6
|
113.5
|
Gorffennaf 2017
|
116.9
|
114.0
|
Awst 2017
|
117.2
|
114.9
|
Medi 2017
|
118.2
|
115.4
|
Hydref 2017
|
117.8
|
114.6
|
Tachwedd 2017
|
117.7
|
114.4
|
Rhagfyr 2017
|
117.4
|
114.2
|
Ionawr 2018
|
118.9
|
114.9
|