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
|
Fflatiau a fflatiau deulawr
|
Mehefin 1998
|
64637.0
|
105233.0
|
62022.0
|
57250.0
|
Gorffennaf 1998
|
65475.0
|
107455.0
|
62833.0
|
57188.0
|
Awst 1998
|
65743.0
|
108253.0
|
62946.0
|
57545.0
|
Medi 1998
|
65606.0
|
108028.0
|
62849.0
|
57523.0
|
Hydref 1998
|
65462.0
|
107830.0
|
62808.0
|
57798.0
|
Tachwedd 1998
|
65365.0
|
107778.0
|
62740.0
|
57931.0
|
Rhagfyr 1998
|
65575.0
|
106717.0
|
63025.0
|
58433.0
|
Ionawr 1999
|
65766.0
|
108190.0
|
63099.0
|
58384.0
|
Chwefror 1999
|
65522.0
|
107465.0
|
62875.0
|
58484.0
|
Mawrth 1999
|
66378.0
|
108398.0
|
63575.0
|
59678.0
|
Ebrill 1999
|
67648.0
|
109860.0
|
64758.0
|
60244.0
|
Mai 1999
|
68402.0
|
111120.0
|
65436.0
|
61321.0
|
Mehefin 1999
|
69428.0
|
113189.0
|
66264.0
|
62254.0
|
Gorffennaf 1999
|
70612.0
|
115785.0
|
67074.0
|
63242.0
|
Awst 1999
|
71699.0
|
117338.0
|
68011.0
|
64628.0
|
Medi 1999
|
72816.0
|
119492.0
|
68695.0
|
66772.0
|
Hydref 1999
|
73273.0
|
120097.0
|
69590.0
|
67233.0
|
Tachwedd 1999
|
74234.0
|
121037.0
|
70312.0
|
68241.0
|
Rhagfyr 1999
|
75071.0
|
121616.0
|
70877.0
|
70029.0
|
Ionawr 2000
|
75219.0
|
123762.0
|
71147.0
|
69282.0
|
Chwefror 2000
|
75630.0
|
123263.0
|
71182.0
|
70695.0
|
Mawrth 2000
|
77016.0
|
125211.0
|
72762.0
|
71562.0
|
Ebrill 2000
|
79635.0
|
128974.0
|
74797.0
|
75300.0
|
Mai 2000
|
80348.0
|
130525.0
|
75793.0
|
75618.0
|
Mehefin 2000
|
81269.0
|
131375.0
|
76592.0
|
77209.0
|
Gorffennaf 2000
|
82563.0
|
136331.0
|
77710.0
|
77279.0
|
Awst 2000
|
83504.0
|
137463.0
|
78603.0
|
79329.0
|
Medi 2000
|
83590.0
|
138071.0
|
78330.0
|
79182.0
|
Hydref 2000
|
83261.0
|
137866.0
|
78818.0
|
78062.0
|
Tachwedd 2000
|
83546.0
|
138341.0
|
78451.0
|
79683.0
|
Rhagfyr 2000
|
84191.0
|
137313.0
|
79282.0
|
80779.0
|
Ionawr 2001
|
84377.0
|
138724.0
|
79196.0
|
80274.0
|
Chwefror 2001
|
84245.0
|
138022.0
|
79234.0
|
80251.0
|
Mawrth 2001
|
85242.0
|
139141.0
|
80100.0
|
81645.0
|
Ebrill 2001
|
87439.0
|
143795.0
|
81805.0
|
82990.0
|
Mai 2001
|
88719.0
|
144166.0
|
83198.0
|
85152.0
|
Mehefin 2001
|
89980.0
|
145754.0
|
84256.0
|
87207.0
|
Gorffennaf 2001
|
91430.0
|
150363.0
|
85676.0
|
86990.0
|
Awst 2001
|
93331.0
|
153197.0
|
87059.0
|
89666.0
|
Medi 2001
|
93682.0
|
154474.0
|
87147.0
|
90201.0
|
Hydref 2001
|
94161.0
|
154928.0
|
88243.0
|
90278.0
|
Tachwedd 2001
|
95083.0
|
155737.0
|
89168.0
|
91895.0
|
Rhagfyr 2001
|
95992.0
|
156223.0
|
89945.0
|
94210.0
|
Ionawr 2002
|
96215.0
|
158543.0
|
90176.0
|
93086.0
|
Chwefror 2002
|
96676.0
|
158184.0
|
90126.0
|
93892.0
|
Mawrth 2002
|
98962.0
|
160668.0
|
92789.0
|
96264.0
|
Ebrill 2002
|
101355.0
|
164902.0
|
94624.0
|
99401.0
|
Mai 2002
|
104458.0
|
168825.0
|
97971.0
|
101841.0
|
Mehefin 2002
|
106811.0
|
172645.0
|
99569.0
|
105006.0
|
Gorffennaf 2002
|
110001.0
|
180007.0
|
102813.0
|
106186.0
|
Awst 2002
|
112832.0
|
183576.0
|
105600.0
|
109292.0
|
Medi 2002
|
113914.0
|
185993.0
|
106871.0
|
110436.0
|
Hydref 2002
|
115879.0
|
189569.0
|
109106.0
|
111801.0
|
Tachwedd 2002
|
118693.0
|
194233.0
|
111198.0
|
114981.0
|
Rhagfyr 2002
|
119982.0
|
193741.0
|
113280.0
|
116634.0
|
Ionawr 2003
|
121610.0
|
198570.0
|
113813.0
|
117343.0
|
Chwefror 2003
|
121754.0
|
197093.0
|
114952.0
|
117588.0
|
Mawrth 2003
|
123258.0
|
199904.0
|
116085.0
|
118630.0
|
Ebrill 2003
|
126239.0
|
204065.0
|
119696.0
|
120563.0
|
Mai 2003
|
128299.0
|
207033.0
|
121858.0
|
121310.0
|
Mehefin 2003
|
129353.0
|
208114.0
|
122466.0
|
123516.0
|
Gorffennaf 2003
|
132318.0
|
213026.0
|
126104.0
|
124097.0
|
Awst 2003
|
133896.0
|
215456.0
|
127628.0
|
124910.0
|
Medi 2003
|
133848.0
|
215520.0
|
127519.0
|
124463.0
|
Hydref 2003
|
135885.0
|
218070.0
|
129574.0
|
126162.0
|
Tachwedd 2003
|
137178.0
|
219832.0
|
131225.0
|
127065.0
|
Rhagfyr 2003
|
138985.0
|
219064.0
|
132722.0
|
130095.0
|
Ionawr 2004
|
139719.0
|
223795.0
|
133239.0
|
129344.0
|
Chwefror 2004
|
140284.0
|
222314.0
|
133835.0
|
130021.0
|
Mawrth 2004
|
142571.0
|
225058.0
|
135398.0
|
132477.0
|
Ebrill 2004
|
147250.0
|
229139.0
|
140999.0
|
134707.0
|
Mai 2004
|
150115.0
|
231795.0
|
143298.0
|
138023.0
|
Mehefin 2004
|
153527.0
|
237381.0
|
146611.0
|
141451.0
|
Gorffennaf 2004
|
156730.0
|
242821.0
|
150771.0
|
141450.0
|
Awst 2004
|
158760.0
|
246560.0
|
152069.0
|
143879.0
|
Medi 2004
|
159243.0
|
248194.0
|
152351.0
|
144087.0
|
Hydref 2004
|
159358.0
|
247470.0
|
152809.0
|
144084.0
|
Tachwedd 2004
|
160330.0
|
248548.0
|
153301.0
|
145668.0
|
Rhagfyr 2004
|
159886.0
|
245756.0
|
152616.0
|
145238.0
|
Ionawr 2005
|
158572.0
|
246076.0
|
151184.0
|
143395.0
|
Chwefror 2005
|
158609.0
|
244614.0
|
152092.0
|
143560.0
|
Mawrth 2005
|
159642.0
|
245096.0
|
152790.0
|
144196.0
|
Ebrill 2005
|
161336.0
|
245695.0
|
154787.0
|
145435.0
|
Mai 2005
|
163064.0
|
250172.0
|
155755.0
|
146964.0
|
Mehefin 2005
|
164069.0
|
248291.0
|
156799.0
|
147527.0
|
Gorffennaf 2005
|
165756.0
|
252904.0
|
159214.0
|
147833.0
|
Awst 2005
|
166440.0
|
255347.0
|
158709.0
|
148814.0
|
Medi 2005
|
166168.0
|
253632.0
|
158480.0
|
147875.0
|
Hydref 2005
|
165637.0
|
252762.0
|
158252.0
|
147745.0
|
Tachwedd 2005
|
166303.0
|
253491.0
|
158778.0
|
148493.0
|
Rhagfyr 2005
|
167244.0
|
250818.0
|
158711.0
|
151489.0
|
Ionawr 2006
|
166544.0
|
253431.0
|
158632.0
|
148701.0
|
Chwefror 2006
|
166896.0
|
251702.0
|
158696.0
|
150486.0
|
Mawrth 2006
|
168001.0
|
254453.0
|
160009.0
|
150423.0
|
Ebrill 2006
|
171129.0
|
257480.0
|
163296.0
|
152692.0
|
Mai 2006
|
172699.0
|
260768.0
|
164441.0
|
155081.0
|
Mehefin 2006
|
174231.0
|
260886.0
|
165804.0
|
156320.0
|
Gorffennaf 2006
|
176164.0
|
265718.0
|
167607.0
|
156243.0
|
Awst 2006
|
177603.0
|
269069.0
|
168944.0
|
157650.0
|
Medi 2006
|
178275.0
|
269870.0
|
169604.0
|
158663.0
|
Hydref 2006
|
178927.0
|
270313.0
|
169980.0
|
159785.0
|
Tachwedd 2006
|
179718.0
|
271866.0
|
171160.0
|
159513.0
|
Rhagfyr 2006
|
182031.0
|
271575.0
|
172555.0
|
163364.0
|
Ionawr 2007
|
181824.0
|
274140.0
|
172361.0
|
162661.0
|
Chwefror 2007
|
182397.0
|
273400.0
|
172624.0
|
165346.0
|
Mawrth 2007
|
183712.0
|
275290.0
|
173872.0
|
164732.0
|
Ebrill 2007
|
186711.0
|
278323.0
|
176443.0
|
167700.0
|
Mai 2007
|
188814.0
|
280568.0
|
178009.0
|
171490.0
|
Mehefin 2007
|
190822.0
|
284180.0
|
179776.0
|
172532.0
|
Gorffennaf 2007
|
193360.0
|
290354.0
|
181954.0
|
174371.0
|
Awst 2007
|
194328.0
|
292227.0
|
182920.0
|
174638.0
|
Medi 2007
|
194764.0
|
293150.0
|
182883.0
|
176404.0
|
Hydref 2007
|
194700.0
|
293391.0
|
182464.0
|
176713.0
|
Tachwedd 2007
|
194502.0
|
293872.0
|
182897.0
|
176017.0
|
Rhagfyr 2007
|
194373.0
|
290651.0
|
182427.0
|
177083.0
|
Ionawr 2008
|
191750.0
|
289423.0
|
179501.0
|
174807.0
|
Chwefror 2008
|
190066.0
|
286184.0
|
178628.0
|
172815.0
|
Mawrth 2008
|
188657.0
|
283373.0
|
177862.0
|
170303.0
|
Ebrill 2008
|
189115.0
|
285705.0
|
177415.0
|
170313.0
|
Mai 2008
|
189777.0
|
284684.0
|
178896.0
|
171415.0
|
Mehefin 2008
|
187350.0
|
281068.0
|
176576.0
|
168642.0
|
Gorffennaf 2008
|
185844.0
|
280959.0
|
175061.0
|
167443.0
|
Awst 2008
|
181494.0
|
274826.0
|
170963.0
|
163326.0
|
Medi 2008
|
177232.0
|
271619.0
|
166055.0
|
159615.0
|
Hydref 2008
|
173249.0
|
263623.0
|
163044.0
|
156193.0
|
Tachwedd 2008
|
168230.0
|
255449.0
|
159059.0
|
150973.0
|
Rhagfyr 2008
|
165795.0
|
250993.0
|
156357.0
|
147872.0
|
Ionawr 2009
|
162673.0
|
249447.0
|
152642.0
|
146976.0
|
Chwefror 2009
|
160956.0
|
243589.0
|
151813.0
|
146113.0
|
Mawrth 2009
|
159340.0
|
241759.0
|
149583.0
|
144919.0
|
Ebrill 2009
|
160701.0
|
242506.0
|
151958.0
|
144266.0
|
Mai 2009
|
162740.0
|
245652.0
|
153821.0
|
146296.0
|
Mehefin 2009
|
164536.0
|
249229.0
|
155148.0
|
147179.0
|
Gorffennaf 2009
|
167673.0
|
254932.0
|
158447.0
|
148560.0
|
Awst 2009
|
169603.0
|
258189.0
|
160458.0
|
149846.0
|
Medi 2009
|
171214.0
|
260223.0
|
161241.0
|
152714.0
|
Hydref 2009
|
172314.0
|
262447.0
|
163158.0
|
152088.0
|
Tachwedd 2009
|
172818.0
|
264203.0
|
162935.0
|
152038.0
|
Rhagfyr 2009
|
174136.0
|
261546.0
|
165103.0
|
153597.0
|
Ionawr 2010
|
174458.0
|
269072.0
|
164610.0
|
152798.0
|
Chwefror 2010
|
175248.0
|
268692.0
|
166053.0
|
153394.0
|
Mawrth 2010
|
174765.0
|
267846.0
|
164618.0
|
155161.0
|
Ebrill 2010
|
176796.0
|
270032.0
|
167370.0
|
155667.0
|
Mai 2010
|
177754.0
|
272595.0
|
167732.0
|
156499.0
|
Mehefin 2010
|
178655.0
|
272388.0
|
168657.0
|
157200.0
|
Gorffennaf 2010
|
180519.0
|
278651.0
|
170235.0
|
157684.0
|
Awst 2010
|
180807.0
|
279085.0
|
171568.0
|
157522.0
|
Medi 2010
|
180231.0
|
278931.0
|
169714.0
|
157583.0
|
Hydref 2010
|
178102.0
|
275435.0
|
168310.0
|
155787.0
|
Tachwedd 2010
|
176301.0
|
273966.0
|
166719.0
|
154420.0
|
Rhagfyr 2010
|
176036.0
|
270911.0
|
166338.0
|
154766.0
|
Ionawr 2011
|
174442.0
|
271553.0
|
163993.0
|
153717.0
|
Chwefror 2011
|
173811.0
|
269866.0
|
163287.0
|
153823.0
|
Mawrth 2011
|
173046.0
|
269719.0
|
161914.0
|
153536.0
|
Ebrill 2011
|
175490.0
|
270693.0
|
164316.0
|
156518.0
|
Mai 2011
|
174668.0
|
268694.0
|
164506.0
|
155477.0
|
Mehefin 2011
|
174838.0
|
267670.0
|
164896.0
|
155417.0
|
Gorffennaf 2011
|
177164.0
|
272181.0
|
166198.0
|
158333.0
|
Awst 2011
|
177335.0
|
274481.0
|
167447.0
|
155598.0
|
Medi 2011
|
176783.0
|
273859.0
|
166130.0
|
155744.0
|
Hydref 2011
|
175171.0
|
272417.0
|
165294.0
|
153963.0
|
Tachwedd 2011
|
175200.0
|
271147.0
|
165119.0
|
155873.0
|
Rhagfyr 2011
|
174812.0
|
268681.0
|
165018.0
|
155280.0
|
Ionawr 2012
|
174179.0
|
268744.0
|
164445.0
|
153939.0
|
Chwefror 2012
|
174161.0
|
268744.0
|
164145.0
|
153278.0
|
Mawrth 2012
|
174323.0
|
264961.0
|
164505.0
|
154801.0
|
Ebrill 2012
|
176543.0
|
271607.0
|
165786.0
|
157909.0
|
Mai 2012
|
177026.0
|
271021.0
|
166360.0
|
158509.0
|
Mehefin 2012
|
178696.0
|
271301.0
|
167513.0
|
159561.0
|
Gorffennaf 2012
|
179756.0
|
275768.0
|
168482.0
|
160186.0
|
Awst 2012
|
180129.0
|
275476.0
|
169230.0
|
159581.0
|
Medi 2012
|
179563.0
|
274905.0
|
168224.0
|
159875.0
|
Hydref 2012
|
178412.0
|
272924.0
|
167351.0
|
159803.0
|
Tachwedd 2012
|
178662.0
|
273414.0
|
167787.0
|
158881.0
|
Rhagfyr 2012
|
178406.0
|
272600.0
|
167007.0
|
159610.0
|
Ionawr 2013
|
176816.0
|
270680.0
|
166525.0
|
157947.0
|
Chwefror 2013
|
177203.0
|
270741.0
|
166105.0
|
158875.0
|
Mawrth 2013
|
178189.0
|
273464.0
|
166808.0
|
159637.0
|
Ebrill 2013
|
179900.0
|
274649.0
|
168231.0
|
162125.0
|
Mai 2013
|
180621.0
|
274490.0
|
169209.0
|
163064.0
|
Mehefin 2013
|
182088.0
|
276077.0
|
170400.0
|
163902.0
|
Newid canrannol (blynyddol)
yn ôl
math o eiddo
yn
Lloegr
cuddio
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai pâr
|
Fflatiau a fflatiau deulawr
|
Mehefin 1998
|
9.3
|
9.2
|
8.5
|
13.1
|
Gorffennaf 1998
|
9.0
|
9.6
|
8.3
|
11.3
|
Awst 1998
|
8.2
|
8.7
|
7.2
|
10.6
|
Medi 1998
|
7.6
|
8.3
|
6.8
|
9.4
|
Hydref 1998
|
7.2
|
7.6
|
6.6
|
9.6
|
Tachwedd 1998
|
6.3
|
6.7
|
5.7
|
8.7
|
Rhagfyr 1998
|
6.5
|
6.4
|
5.8
|
9.0
|
Ionawr 1999
|
6.2
|
6.0
|
6.4
|
8.5
|
Chwefror 1999
|
6.3
|
7.1
|
5.8
|
7.3
|
Mawrth 1999
|
6.6
|
7.1
|
6.0
|
9.3
|
Ebrill 1999
|
6.3
|
5.8
|
5.7
|
8.1
|
Mai 1999
|
6.4
|
6.5
|
5.9
|
9.1
|
Mehefin 1999
|
7.4
|
7.6
|
6.8
|
8.7
|
Gorffennaf 1999
|
7.8
|
7.8
|
6.8
|
10.6
|
Awst 1999
|
9.1
|
8.4
|
8.0
|
12.3
|
Medi 1999
|
11.0
|
10.6
|
9.3
|
16.1
|
Hydref 1999
|
11.9
|
11.4
|
10.8
|
16.3
|
Tachwedd 1999
|
13.6
|
12.3
|
12.1
|
17.8
|
Rhagfyr 1999
|
14.5
|
14.0
|
12.5
|
19.8
|
Ionawr 2000
|
14.4
|
14.4
|
12.8
|
18.7
|
Chwefror 2000
|
15.4
|
14.7
|
13.2
|
20.9
|
Mawrth 2000
|
16.0
|
15.5
|
14.4
|
19.9
|
Ebrill 2000
|
17.7
|
17.4
|
15.5
|
25.0
|
Mai 2000
|
17.5
|
17.5
|
15.8
|
23.3
|
Mehefin 2000
|
17.0
|
16.1
|
15.6
|
24.0
|
Gorffennaf 2000
|
16.9
|
17.7
|
15.9
|
22.2
|
Awst 2000
|
16.5
|
17.2
|
15.6
|
22.8
|
Medi 2000
|
14.8
|
15.6
|
14.0
|
18.6
|
Hydref 2000
|
13.6
|
14.8
|
13.3
|
16.1
|
Tachwedd 2000
|
12.5
|
14.3
|
11.6
|
16.8
|
Rhagfyr 2000
|
12.2
|
12.9
|
11.9
|
15.4
|
Ionawr 2001
|
12.2
|
12.1
|
11.3
|
15.9
|
Chwefror 2001
|
11.4
|
12.0
|
11.3
|
13.5
|
Mawrth 2001
|
10.7
|
11.1
|
10.1
|
14.1
|
Ebrill 2001
|
9.8
|
11.5
|
9.4
|
10.2
|
Mai 2001
|
10.4
|
10.4
|
9.8
|
12.6
|
Mehefin 2001
|
10.7
|
10.9
|
10.0
|
13.0
|
Gorffennaf 2001
|
10.7
|
10.3
|
10.2
|
12.6
|
Awst 2001
|
11.8
|
11.4
|
10.8
|
13.0
|
Medi 2001
|
12.1
|
11.9
|
11.3
|
13.9
|
Hydref 2001
|
13.1
|
12.4
|
12.0
|
15.6
|
Tachwedd 2001
|
13.8
|
12.6
|
13.7
|
15.3
|
Rhagfyr 2001
|
14.0
|
13.8
|
13.4
|
16.6
|
Ionawr 2002
|
14.0
|
14.3
|
13.9
|
16.0
|
Chwefror 2002
|
14.8
|
14.6
|
13.8
|
17.0
|
Mawrth 2002
|
16.1
|
15.5
|
15.8
|
17.9
|
Ebrill 2002
|
15.9
|
14.7
|
15.7
|
19.8
|
Mai 2002
|
17.7
|
17.1
|
17.8
|
19.6
|
Mehefin 2002
|
18.7
|
18.4
|
18.2
|
20.4
|
Gorffennaf 2002
|
20.3
|
19.7
|
20.0
|
22.1
|
Awst 2002
|
20.9
|
19.8
|
21.3
|
21.9
|
Medi 2002
|
21.6
|
20.4
|
22.6
|
22.4
|
Hydref 2002
|
23.1
|
22.4
|
23.6
|
23.8
|
Tachwedd 2002
|
24.8
|
24.7
|
24.7
|
25.1
|
Rhagfyr 2002
|
25.0
|
24.0
|
25.9
|
23.8
|
Ionawr 2003
|
26.4
|
25.2
|
26.2
|
26.1
|
Chwefror 2003
|
25.9
|
24.6
|
27.6
|
25.2
|
Mawrth 2003
|
24.6
|
24.4
|
25.1
|
23.2
|
Ebrill 2003
|
24.6
|
23.8
|
26.5
|
21.3
|
Mai 2003
|
22.8
|
22.6
|
24.4
|
19.1
|
Mehefin 2003
|
21.1
|
20.5
|
23.0
|
17.6
|
Gorffennaf 2003
|
20.3
|
18.3
|
22.6
|
16.9
|
Awst 2003
|
18.7
|
17.4
|
20.9
|
14.3
|
Medi 2003
|
17.5
|
15.9
|
19.3
|
12.7
|
Hydref 2003
|
17.3
|
15.0
|
18.8
|
12.8
|
Tachwedd 2003
|
15.6
|
13.2
|
18.0
|
10.5
|
Rhagfyr 2003
|
15.8
|
13.1
|
17.2
|
11.5
|
Ionawr 2004
|
14.9
|
12.7
|
17.1
|
10.2
|
Chwefror 2004
|
15.2
|
12.8
|
16.4
|
10.6
|
Mawrth 2004
|
15.7
|
12.6
|
16.6
|
11.7
|
Ebrill 2004
|
16.6
|
12.3
|
17.8
|
11.7
|
Mai 2004
|
17.0
|
12.0
|
17.6
|
13.8
|
Mehefin 2004
|
18.7
|
14.1
|
19.7
|
14.5
|
Gorffennaf 2004
|
18.4
|
14.0
|
19.6
|
14.0
|
Awst 2004
|
18.6
|
14.4
|
19.2
|
15.2
|
Medi 2004
|
19.0
|
15.2
|
19.5
|
15.8
|
Hydref 2004
|
17.3
|
13.5
|
17.9
|
14.2
|
Tachwedd 2004
|
16.9
|
13.1
|
16.8
|
14.6
|
Rhagfyr 2004
|
15.0
|
12.2
|
15.0
|
11.6
|
Ionawr 2005
|
13.5
|
10.0
|
13.5
|
10.9
|
Chwefror 2005
|
13.1
|
10.0
|
13.6
|
10.4
|
Mawrth 2005
|
12.0
|
8.9
|
12.8
|
8.8
|
Ebrill 2005
|
9.6
|
7.2
|
9.8
|
8.0
|
Mai 2005
|
8.6
|
7.9
|
8.7
|
6.5
|
Mehefin 2005
|
6.9
|
4.6
|
7.0
|
4.3
|
Gorffennaf 2005
|
5.8
|
4.2
|
5.6
|
4.5
|
Awst 2005
|
4.8
|
3.6
|
4.4
|
3.4
|
Medi 2005
|
4.4
|
2.2
|
4.0
|
2.6
|
Hydref 2005
|
3.9
|
2.1
|
3.6
|
2.5
|
Tachwedd 2005
|
3.7
|
2.0
|
3.6
|
1.9
|
Rhagfyr 2005
|
4.6
|
2.1
|
4.0
|
4.3
|
Ionawr 2006
|
5.0
|
3.0
|
4.9
|
3.7
|
Chwefror 2006
|
5.2
|
2.9
|
4.3
|
4.8
|
Mawrth 2006
|
5.2
|
3.8
|
4.7
|
4.3
|
Ebrill 2006
|
6.1
|
4.8
|
5.5
|
5.0
|
Mai 2006
|
5.9
|
4.2
|
5.6
|
5.5
|
Mehefin 2006
|
6.2
|
5.1
|
5.7
|
6.0
|
Gorffennaf 2006
|
6.3
|
5.1
|
5.3
|
5.7
|
Awst 2006
|
6.7
|
5.4
|
6.4
|
5.9
|
Medi 2006
|
7.3
|
6.4
|
7.0
|
7.3
|
Hydref 2006
|
8.0
|
6.9
|
7.4
|
8.2
|
Tachwedd 2006
|
8.1
|
7.2
|
7.8
|
7.4
|
Rhagfyr 2006
|
8.8
|
8.3
|
8.7
|
7.8
|
Ionawr 2007
|
9.2
|
8.2
|
8.6
|
9.4
|
Chwefror 2007
|
9.3
|
8.6
|
8.8
|
9.9
|
Mawrth 2007
|
9.4
|
8.2
|
8.7
|
9.5
|
Ebrill 2007
|
9.1
|
8.1
|
8.0
|
9.8
|
Mai 2007
|
9.3
|
7.6
|
8.2
|
10.6
|
Mehefin 2007
|
9.5
|
8.9
|
8.4
|
10.4
|
Gorffennaf 2007
|
9.8
|
9.3
|
8.6
|
11.6
|
Awst 2007
|
9.4
|
8.6
|
8.3
|
10.8
|
Medi 2007
|
9.2
|
8.6
|
7.8
|
11.2
|
Hydref 2007
|
8.8
|
8.5
|
7.3
|
10.6
|
Tachwedd 2007
|
8.2
|
8.1
|
6.9
|
10.4
|
Rhagfyr 2007
|
6.8
|
7.0
|
5.7
|
8.4
|
Ionawr 2008
|
5.5
|
5.6
|
4.1
|
7.5
|
Chwefror 2008
|
4.2
|
4.7
|
3.5
|
4.5
|
Mawrth 2008
|
2.7
|
2.9
|
2.3
|
3.4
|
Ebrill 2008
|
1.3
|
2.6
|
0.6
|
1.6
|
Mai 2008
|
0.5
|
1.5
|
0.5
|
-0.0
|
Mehefin 2008
|
-1.8
|
-1.1
|
-1.8
|
-2.2
|
Gorffennaf 2008
|
-3.9
|
-3.2
|
-3.8
|
-4.0
|
Awst 2008
|
-6.6
|
-6.0
|
-6.5
|
-6.5
|
Medi 2008
|
-9.0
|
-7.3
|
-9.2
|
-9.5
|
Hydref 2008
|
-11.0
|
-10.2
|
-10.6
|
-11.6
|
Tachwedd 2008
|
-13.5
|
-13.1
|
-13.0
|
-14.2
|
Rhagfyr 2008
|
-14.7
|
-13.6
|
-14.3
|
-16.5
|
Ionawr 2009
|
-15.2
|
-13.8
|
-15.0
|
-15.9
|
Chwefror 2009
|
-15.3
|
-14.9
|
-15.0
|
-15.4
|
Mawrth 2009
|
-15.5
|
-14.7
|
-15.9
|
-14.9
|
Ebrill 2009
|
-15.0
|
-15.1
|
-14.4
|
-15.3
|
Mai 2009
|
-14.2
|
-13.7
|
-14.0
|
-14.6
|
Mehefin 2009
|
-12.2
|
-11.3
|
-12.1
|
-12.7
|
Gorffennaf 2009
|
-9.8
|
-9.3
|
-9.5
|
-11.3
|
Awst 2009
|
-6.6
|
-6.0
|
-6.1
|
-8.2
|
Medi 2009
|
-3.4
|
-4.2
|
-2.9
|
-4.3
|
Hydref 2009
|
-0.5
|
-0.4
|
0.1
|
-2.6
|
Tachwedd 2009
|
2.7
|
3.4
|
2.4
|
0.7
|
Rhagfyr 2009
|
5.0
|
4.2
|
5.6
|
3.9
|
Ionawr 2010
|
7.2
|
7.9
|
7.8
|
4.0
|
Chwefror 2010
|
8.9
|
10.3
|
9.4
|
5.0
|
Mawrth 2010
|
9.7
|
10.8
|
10.0
|
7.1
|
Ebrill 2010
|
10.0
|
11.4
|
10.1
|
7.9
|
Mai 2010
|
9.2
|
11.0
|
9.0
|
7.0
|
Mehefin 2010
|
8.6
|
9.3
|
8.7
|
6.8
|
Gorffennaf 2010
|
7.7
|
9.3
|
7.4
|
6.1
|
Awst 2010
|
6.6
|
8.1
|
6.9
|
5.1
|
Medi 2010
|
5.3
|
7.2
|
5.2
|
3.2
|
Hydref 2010
|
3.4
|
5.0
|
3.2
|
2.4
|
Tachwedd 2010
|
2.0
|
3.7
|
2.3
|
1.6
|
Rhagfyr 2010
|
1.1
|
3.6
|
0.8
|
0.8
|
Ionawr 2011
|
-0.0
|
0.9
|
-0.4
|
0.6
|
Chwefror 2011
|
-0.8
|
0.4
|
-1.7
|
0.3
|
Mawrth 2011
|
-1.0
|
0.7
|
-1.6
|
-1.0
|
Ebrill 2011
|
-0.7
|
0.2
|
-1.8
|
0.6
|
Mai 2011
|
-1.7
|
-1.4
|
-1.9
|
-0.6
|
Mehefin 2011
|
-2.1
|
-1.7
|
-2.2
|
-1.1
|
Gorffennaf 2011
|
-1.9
|
-2.3
|
-2.4
|
0.4
|
Awst 2011
|
-1.9
|
-1.6
|
-2.4
|
-1.2
|
Medi 2011
|
-1.9
|
-1.8
|
-2.1
|
-1.2
|
Hydref 2011
|
-1.6
|
-1.1
|
-1.8
|
-1.2
|
Tachwedd 2011
|
-0.6
|
-1.0
|
-1.0
|
0.9
|
Rhagfyr 2011
|
-0.7
|
-0.8
|
-0.8
|
0.3
|
Ionawr 2012
|
-0.2
|
-1.0
|
0.3
|
0.1
|
Chwefror 2012
|
0.2
|
-0.4
|
0.5
|
-0.4
|
Mawrth 2012
|
0.7
|
-1.8
|
1.6
|
0.8
|
Ebrill 2012
|
0.6
|
0.3
|
0.9
|
0.9
|
Mai 2012
|
1.4
|
0.9
|
1.1
|
2.0
|
Mehefin 2012
|
2.2
|
1.4
|
1.6
|
2.7
|
Gorffennaf 2012
|
1.5
|
1.3
|
1.4
|
1.2
|
Awst 2012
|
1.6
|
0.4
|
1.1
|
2.6
|
Medi 2012
|
1.6
|
0.4
|
1.3
|
2.6
|
Hydref 2012
|
1.8
|
0.2
|
1.2
|
3.8
|
Tachwedd 2012
|
2.0
|
0.8
|
1.6
|
1.9
|
Rhagfyr 2012
|
2.1
|
1.5
|
1.2
|
2.8
|
Ionawr 2013
|
1.5
|
0.7
|
1.3
|
2.6
|
Chwefror 2013
|
1.8
|
0.7
|
1.2
|
3.6
|
Mawrth 2013
|
2.2
|
3.2
|
1.4
|
3.1
|
Ebrill 2013
|
1.9
|
1.1
|
1.5
|
2.7
|
Mai 2013
|
2.0
|
1.3
|
1.7
|
2.9
|
Mehefin 2013
|
1.9
|
1.8
|
1.7
|
2.7
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai pâr
|
Fflatiau a fflatiau deulawr
|
Mehefin 1998
|
0.6
|
0.8
|
0.4
|
1.9
|
Gorffennaf 1998
|
1.3
|
2.1
|
1.3
|
-0.1
|
Awst 1998
|
0.4
|
0.7
|
0.2
|
0.6
|
Medi 1998
|
-0.2
|
-0.2
|
-0.2
|
-0.0
|
Hydref 1998
|
-0.2
|
-0.2
|
-0.1
|
0.5
|
Tachwedd 1998
|
-0.2
|
-0.1
|
-0.1
|
0.2
|
Rhagfyr 1998
|
0.3
|
-1.0
|
0.4
|
0.9
|
Ionawr 1999
|
0.3
|
1.4
|
0.1
|
-0.1
|
Chwefror 1999
|
-0.4
|
-0.7
|
-0.4
|
0.2
|
Mawrth 1999
|
1.3
|
0.9
|
1.1
|
2.0
|
Ebrill 1999
|
1.9
|
1.4
|
1.9
|
1.0
|
Mai 1999
|
1.1
|
1.2
|
1.0
|
1.8
|
Mehefin 1999
|
1.5
|
1.9
|
1.3
|
1.5
|
Gorffennaf 1999
|
1.7
|
2.3
|
1.2
|
1.6
|
Awst 1999
|
1.5
|
1.3
|
1.4
|
2.2
|
Medi 1999
|
1.6
|
1.8
|
1.0
|
3.3
|
Hydref 1999
|
0.6
|
0.5
|
1.3
|
0.7
|
Tachwedd 1999
|
1.3
|
0.8
|
1.0
|
1.5
|
Rhagfyr 1999
|
1.1
|
0.5
|
0.8
|
2.6
|
Ionawr 2000
|
0.2
|
1.8
|
0.4
|
-1.1
|
Chwefror 2000
|
0.6
|
-0.4
|
0.1
|
2.0
|
Mawrth 2000
|
1.8
|
1.6
|
2.2
|
1.2
|
Ebrill 2000
|
3.4
|
3.0
|
2.8
|
5.2
|
Mai 2000
|
0.9
|
1.2
|
1.3
|
0.4
|
Mehefin 2000
|
1.2
|
0.6
|
1.1
|
2.1
|
Gorffennaf 2000
|
1.6
|
3.8
|
1.5
|
0.1
|
Awst 2000
|
1.1
|
0.8
|
1.2
|
2.6
|
Medi 2000
|
0.1
|
0.4
|
-0.4
|
-0.2
|
Hydref 2000
|
-0.4
|
-0.2
|
0.6
|
-1.4
|
Tachwedd 2000
|
0.3
|
0.3
|
-0.5
|
2.1
|
Rhagfyr 2000
|
0.8
|
-0.7
|
1.1
|
1.4
|
Ionawr 2001
|
0.2
|
1.0
|
-0.1
|
-0.6
|
Chwefror 2001
|
-0.2
|
-0.5
|
0.1
|
-0.0
|
Mawrth 2001
|
1.2
|
0.8
|
1.1
|
1.7
|
Ebrill 2001
|
2.6
|
3.3
|
2.1
|
1.6
|
Mai 2001
|
1.5
|
0.3
|
1.7
|
2.6
|
Mehefin 2001
|
1.4
|
1.1
|
1.3
|
2.4
|
Gorffennaf 2001
|
1.6
|
3.2
|
1.7
|
-0.2
|
Awst 2001
|
2.1
|
1.9
|
1.6
|
3.1
|
Medi 2001
|
0.4
|
0.8
|
0.1
|
0.6
|
Hydref 2001
|
0.5
|
0.3
|
1.3
|
0.1
|
Tachwedd 2001
|
1.0
|
0.5
|
1.0
|
1.8
|
Rhagfyr 2001
|
1.0
|
0.3
|
0.9
|
2.5
|
Ionawr 2002
|
0.2
|
1.5
|
0.3
|
-1.2
|
Chwefror 2002
|
0.5
|
-0.2
|
-0.1
|
0.9
|
Mawrth 2002
|
2.4
|
1.6
|
3.0
|
2.5
|
Ebrill 2002
|
2.4
|
2.6
|
2.0
|
3.3
|
Mai 2002
|
3.1
|
2.4
|
3.5
|
2.4
|
Mehefin 2002
|
2.2
|
2.3
|
1.6
|
3.1
|
Gorffennaf 2002
|
3.0
|
4.3
|
3.3
|
1.1
|
Awst 2002
|
2.6
|
2.0
|
2.7
|
2.9
|
Medi 2002
|
1.0
|
1.3
|
1.2
|
1.0
|
Hydref 2002
|
1.7
|
1.9
|
2.1
|
1.2
|
Tachwedd 2002
|
2.4
|
2.5
|
1.9
|
2.8
|
Rhagfyr 2002
|
1.1
|
-0.2
|
1.9
|
1.4
|
Ionawr 2003
|
1.4
|
2.5
|
0.5
|
0.6
|
Chwefror 2003
|
0.1
|
-0.7
|
1.0
|
0.2
|
Mawrth 2003
|
1.2
|
1.4
|
1.0
|
0.9
|
Ebrill 2003
|
2.4
|
2.1
|
3.1
|
1.6
|
Mai 2003
|
1.6
|
1.4
|
1.8
|
0.6
|
Mehefin 2003
|
0.8
|
0.5
|
0.5
|
1.8
|
Gorffennaf 2003
|
2.3
|
2.4
|
3.0
|
0.5
|
Awst 2003
|
1.2
|
1.1
|
1.2
|
0.7
|
Medi 2003
|
-0.0
|
0.0
|
-0.1
|
-0.4
|
Hydref 2003
|
1.5
|
1.2
|
1.6
|
1.4
|
Tachwedd 2003
|
1.0
|
0.8
|
1.3
|
0.7
|
Rhagfyr 2003
|
1.3
|
-0.4
|
1.1
|
2.4
|
Ionawr 2004
|
0.5
|
2.2
|
0.4
|
-0.6
|
Chwefror 2004
|
0.4
|
-0.7
|
0.4
|
0.5
|
Mawrth 2004
|
1.6
|
1.2
|
1.2
|
1.9
|
Ebrill 2004
|
3.3
|
1.8
|
4.1
|
1.7
|
Mai 2004
|
2.0
|
1.2
|
1.6
|
2.5
|
Mehefin 2004
|
2.3
|
2.4
|
2.3
|
2.5
|
Gorffennaf 2004
|
2.1
|
2.3
|
2.8
|
0.0
|
Awst 2004
|
1.3
|
1.5
|
0.9
|
1.7
|
Medi 2004
|
0.3
|
0.7
|
0.2
|
0.1
|
Hydref 2004
|
0.1
|
-0.3
|
0.3
|
0.0
|
Tachwedd 2004
|
0.6
|
0.4
|
0.3
|
1.1
|
Rhagfyr 2004
|
-0.3
|
-1.1
|
-0.4
|
-0.3
|
Ionawr 2005
|
-0.8
|
0.1
|
-0.9
|
-1.3
|
Chwefror 2005
|
0.0
|
-0.6
|
0.6
|
0.1
|
Mawrth 2005
|
0.6
|
0.2
|
0.5
|
0.4
|
Ebrill 2005
|
1.1
|
0.2
|
1.3
|
0.9
|
Mai 2005
|
1.1
|
1.8
|
0.6
|
1.0
|
Mehefin 2005
|
0.6
|
-0.8
|
0.7
|
0.4
|
Gorffennaf 2005
|
1.0
|
1.9
|
1.5
|
0.2
|
Awst 2005
|
0.4
|
1.0
|
-0.3
|
0.7
|
Medi 2005
|
-0.2
|
-0.7
|
-0.1
|
-0.6
|
Hydref 2005
|
-0.3
|
-0.3
|
-0.1
|
-0.1
|
Tachwedd 2005
|
0.4
|
0.3
|
0.3
|
0.5
|
Rhagfyr 2005
|
0.6
|
-1.0
|
-0.0
|
2.0
|
Ionawr 2006
|
-0.4
|
1.0
|
-0.1
|
-1.8
|
Chwefror 2006
|
0.2
|
-0.7
|
0.0
|
1.2
|
Mawrth 2006
|
0.7
|
1.1
|
0.8
|
-0.0
|
Ebrill 2006
|
1.9
|
1.2
|
2.0
|
1.5
|
Mai 2006
|
0.9
|
1.3
|
0.7
|
1.6
|
Mehefin 2006
|
0.9
|
0.1
|
0.8
|
0.8
|
Gorffennaf 2006
|
1.1
|
1.8
|
1.1
|
-0.1
|
Awst 2006
|
0.8
|
1.3
|
0.8
|
0.9
|
Medi 2006
|
0.4
|
0.3
|
0.4
|
0.6
|
Hydref 2006
|
0.4
|
0.2
|
0.2
|
0.7
|
Tachwedd 2006
|
0.4
|
0.6
|
0.7
|
-0.2
|
Rhagfyr 2006
|
1.3
|
-0.1
|
0.8
|
2.4
|
Ionawr 2007
|
-0.1
|
0.9
|
-0.1
|
-0.4
|
Chwefror 2007
|
0.3
|
-0.3
|
0.2
|
1.6
|
Mawrth 2007
|
0.7
|
0.7
|
0.7
|
-0.4
|
Ebrill 2007
|
1.6
|
1.1
|
1.5
|
1.8
|
Mai 2007
|
1.1
|
0.8
|
0.9
|
2.3
|
Mehefin 2007
|
1.1
|
1.3
|
1.0
|
0.6
|
Gorffennaf 2007
|
1.3
|
2.2
|
1.2
|
1.1
|
Awst 2007
|
0.5
|
0.6
|
0.5
|
0.2
|
Medi 2007
|
0.2
|
0.3
|
-0.0
|
1.0
|
Hydref 2007
|
-0.0
|
0.1
|
-0.2
|
0.2
|
Tachwedd 2007
|
-0.1
|
0.2
|
0.2
|
-0.4
|
Rhagfyr 2007
|
-0.1
|
-1.1
|
-0.3
|
0.6
|
Ionawr 2008
|
-1.4
|
-0.4
|
-1.6
|
-1.3
|
Chwefror 2008
|
-0.9
|
-1.1
|
-0.5
|
-1.1
|
Mawrth 2008
|
-0.7
|
-1.0
|
-0.4
|
-1.4
|
Ebrill 2008
|
0.2
|
0.8
|
-0.2
|
0.0
|
Mai 2008
|
0.4
|
-0.4
|
0.8
|
0.6
|
Mehefin 2008
|
-1.3
|
-1.3
|
-1.3
|
-1.6
|
Gorffennaf 2008
|
-0.8
|
-0.0
|
-0.9
|
-0.7
|
Awst 2008
|
-2.3
|
-2.2
|
-2.3
|
-2.5
|
Medi 2008
|
-2.4
|
-1.2
|
-2.9
|
-2.3
|
Hydref 2008
|
-2.2
|
-2.9
|
-1.8
|
-2.1
|
Tachwedd 2008
|
-2.9
|
-3.1
|
-2.4
|
-3.3
|
Rhagfyr 2008
|
-1.4
|
-1.7
|
-1.7
|
-2.0
|
Ionawr 2009
|
-1.9
|
-0.6
|
-2.4
|
-0.6
|
Chwefror 2009
|
-1.1
|
-2.4
|
-0.5
|
-0.6
|
Mawrth 2009
|
-1.0
|
-0.8
|
-1.5
|
-0.8
|
Ebrill 2009
|
0.8
|
0.3
|
1.6
|
-0.4
|
Mai 2009
|
1.3
|
1.3
|
1.2
|
1.4
|
Mehefin 2009
|
1.1
|
1.5
|
0.9
|
0.6
|
Gorffennaf 2009
|
1.9
|
2.3
|
2.1
|
0.9
|
Awst 2009
|
1.2
|
1.3
|
1.3
|
0.9
|
Medi 2009
|
1.0
|
0.8
|
0.5
|
1.9
|
Hydref 2009
|
0.6
|
0.8
|
1.2
|
-0.4
|
Tachwedd 2009
|
0.3
|
0.7
|
-0.1
|
-0.0
|
Rhagfyr 2009
|
0.8
|
-1.0
|
1.3
|
1.0
|
Ionawr 2010
|
0.2
|
2.9
|
-0.3
|
-0.5
|
Chwefror 2010
|
0.4
|
-0.1
|
0.9
|
0.4
|
Mawrth 2010
|
-0.3
|
-0.3
|
-0.9
|
1.2
|
Ebrill 2010
|
1.2
|
0.8
|
1.7
|
0.3
|
Mai 2010
|
0.5
|
1.0
|
0.2
|
0.5
|
Mehefin 2010
|
0.5
|
-0.1
|
0.6
|
0.4
|
Gorffennaf 2010
|
1.0
|
2.3
|
0.9
|
0.3
|
Awst 2010
|
0.2
|
0.2
|
0.8
|
-0.1
|
Medi 2010
|
-0.3
|
-0.1
|
-1.1
|
0.0
|
Hydref 2010
|
-1.2
|
-1.2
|
-0.8
|
-1.1
|
Tachwedd 2010
|
-1.0
|
-0.5
|
-1.0
|
-0.9
|
Rhagfyr 2010
|
-0.2
|
-1.1
|
-0.2
|
0.2
|
Ionawr 2011
|
-0.9
|
0.2
|
-1.4
|
-0.7
|
Chwefror 2011
|
-0.4
|
-0.6
|
-0.4
|
0.1
|
Mawrth 2011
|
-0.4
|
-0.1
|
-0.8
|
-0.2
|
Ebrill 2011
|
1.4
|
0.4
|
1.5
|
1.9
|
Mai 2011
|
-0.5
|
-0.7
|
0.1
|
-0.7
|
Mehefin 2011
|
0.1
|
-0.4
|
0.2
|
-0.0
|
Gorffennaf 2011
|
1.3
|
1.7
|
0.8
|
1.9
|
Awst 2011
|
0.1
|
0.8
|
0.8
|
-1.7
|
Medi 2011
|
-0.3
|
-0.2
|
-0.8
|
0.1
|
Hydref 2011
|
-0.9
|
-0.5
|
-0.5
|
-1.1
|
Tachwedd 2011
|
0.0
|
-0.5
|
-0.1
|
1.2
|
Rhagfyr 2011
|
-0.2
|
-0.9
|
-0.1
|
-0.4
|
Ionawr 2012
|
-0.4
|
0.0
|
-0.4
|
-0.9
|
Chwefror 2012
|
-0.0
|
0.0
|
-0.2
|
-0.4
|
Mawrth 2012
|
0.1
|
-1.4
|
0.2
|
1.0
|
Ebrill 2012
|
1.3
|
2.5
|
0.8
|
2.0
|
Mai 2012
|
0.3
|
-0.2
|
0.4
|
0.4
|
Mehefin 2012
|
0.9
|
0.1
|
0.7
|
0.7
|
Gorffennaf 2012
|
0.6
|
1.6
|
0.6
|
0.4
|
Awst 2012
|
0.2
|
-0.1
|
0.4
|
-0.4
|
Medi 2012
|
-0.3
|
-0.2
|
-0.6
|
0.2
|
Hydref 2012
|
-0.6
|
-0.7
|
-0.5
|
-0.1
|
Tachwedd 2012
|
0.1
|
0.2
|
0.3
|
-0.6
|
Rhagfyr 2012
|
-0.1
|
-0.3
|
-0.5
|
0.5
|
Ionawr 2013
|
-0.9
|
-0.7
|
-0.3
|
-1.0
|
Chwefror 2013
|
0.2
|
0.0
|
-0.2
|
0.6
|
Mawrth 2013
|
0.6
|
1.0
|
0.4
|
0.5
|
Ebrill 2013
|
1.0
|
0.4
|
0.8
|
1.6
|
Mai 2013
|
0.4
|
-0.1
|
0.6
|
0.6
|
Mehefin 2013
|
0.8
|
0.6
|
0.7
|
0.5
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai pâr
|
Fflatiau a fflatiau deulawr
|
Mehefin 1998
|
31.9
|
34.4
|
33.0
|
30.1
|
Gorffennaf 1998
|
32.3
|
35.2
|
33.4
|
30.0
|
Awst 1998
|
32.4
|
35.4
|
33.5
|
30.2
|
Medi 1998
|
32.3
|
35.4
|
33.5
|
30.2
|
Hydref 1998
|
32.3
|
35.3
|
33.4
|
30.4
|
Tachwedd 1998
|
32.2
|
35.3
|
33.4
|
30.4
|
Rhagfyr 1998
|
32.3
|
34.9
|
33.6
|
30.7
|
Ionawr 1999
|
32.4
|
35.4
|
33.6
|
30.7
|
Chwefror 1999
|
32.3
|
35.2
|
33.5
|
30.7
|
Mawrth 1999
|
32.7
|
35.5
|
33.8
|
31.4
|
Ebrill 1999
|
33.4
|
36.0
|
34.5
|
31.7
|
Mai 1999
|
33.7
|
36.4
|
34.8
|
32.2
|
Mehefin 1999
|
34.2
|
37.1
|
35.3
|
32.7
|
Gorffennaf 1999
|
34.8
|
37.9
|
35.7
|
33.2
|
Awst 1999
|
35.3
|
38.4
|
36.2
|
34.0
|
Medi 1999
|
35.9
|
39.1
|
36.6
|
35.1
|
Hydref 1999
|
36.1
|
39.3
|
37.0
|
35.3
|
Tachwedd 1999
|
36.6
|
39.6
|
37.4
|
35.9
|
Rhagfyr 1999
|
37.0
|
39.8
|
37.7
|
36.8
|
Ionawr 2000
|
37.1
|
40.5
|
37.9
|
36.4
|
Chwefror 2000
|
37.3
|
40.4
|
37.9
|
37.2
|
Mawrth 2000
|
38.0
|
41.0
|
38.7
|
37.6
|
Ebrill 2000
|
39.3
|
42.2
|
39.8
|
39.6
|
Mai 2000
|
39.6
|
42.7
|
40.4
|
39.7
|
Mehefin 2000
|
40.1
|
43.0
|
40.8
|
40.6
|
Gorffennaf 2000
|
40.7
|
44.6
|
41.4
|
40.6
|
Awst 2000
|
41.2
|
45.0
|
41.8
|
41.7
|
Medi 2000
|
41.2
|
45.2
|
41.7
|
41.6
|
Hydref 2000
|
41.0
|
45.1
|
42.0
|
41.0
|
Tachwedd 2000
|
41.2
|
45.3
|
41.8
|
41.9
|
Rhagfyr 2000
|
41.5
|
45.0
|
42.2
|
42.4
|
Ionawr 2001
|
41.6
|
45.4
|
42.2
|
42.2
|
Chwefror 2001
|
41.5
|
45.2
|
42.2
|
42.2
|
Mawrth 2001
|
42.0
|
45.6
|
42.6
|
42.9
|
Ebrill 2001
|
43.1
|
47.1
|
43.6
|
43.6
|
Mai 2001
|
43.7
|
47.2
|
44.3
|
44.8
|
Mehefin 2001
|
44.4
|
47.7
|
44.9
|
45.8
|
Gorffennaf 2001
|
45.1
|
49.2
|
45.6
|
45.7
|
Awst 2001
|
46.0
|
50.2
|
46.4
|
47.1
|
Medi 2001
|
46.2
|
50.6
|
46.4
|
47.4
|
Hydref 2001
|
46.4
|
50.7
|
47.0
|
47.4
|
Tachwedd 2001
|
46.9
|
51.0
|
47.5
|
48.3
|
Rhagfyr 2001
|
47.3
|
51.2
|
47.9
|
49.5
|
Ionawr 2002
|
47.4
|
51.9
|
48.0
|
48.9
|
Chwefror 2002
|
47.7
|
51.8
|
48.0
|
49.3
|
Mawrth 2002
|
48.8
|
52.6
|
49.4
|
50.6
|
Ebrill 2002
|
50.0
|
54.0
|
50.4
|
52.2
|
Mai 2002
|
51.5
|
55.3
|
52.2
|
53.5
|
Mehefin 2002
|
52.6
|
56.5
|
53.0
|
55.2
|
Gorffennaf 2002
|
54.2
|
58.9
|
54.7
|
55.8
|
Awst 2002
|
55.6
|
60.1
|
56.2
|
57.4
|
Medi 2002
|
56.2
|
60.9
|
56.9
|
58.0
|
Hydref 2002
|
57.1
|
62.1
|
58.1
|
58.8
|
Tachwedd 2002
|
58.5
|
63.6
|
59.2
|
60.4
|
Rhagfyr 2002
|
59.2
|
63.4
|
60.3
|
61.3
|
Ionawr 2003
|
60.0
|
65.0
|
60.6
|
61.7
|
Chwefror 2003
|
60.0
|
64.5
|
61.2
|
61.8
|
Mawrth 2003
|
60.8
|
65.4
|
61.8
|
62.3
|
Ebrill 2003
|
62.2
|
66.8
|
63.7
|
63.4
|
Mai 2003
|
63.2
|
67.8
|
64.9
|
63.8
|
Mehefin 2003
|
63.8
|
68.1
|
65.2
|
64.9
|
Gorffennaf 2003
|
65.2
|
69.7
|
67.1
|
65.2
|
Awst 2003
|
66.0
|
70.5
|
68.0
|
65.6
|
Medi 2003
|
66.0
|
70.6
|
67.9
|
65.4
|
Hydref 2003
|
67.0
|
71.4
|
69.0
|
66.3
|
Tachwedd 2003
|
67.6
|
72.0
|
69.9
|
66.8
|
Rhagfyr 2003
|
68.5
|
71.7
|
70.7
|
68.4
|
Ionawr 2004
|
68.9
|
73.3
|
70.9
|
68.0
|
Chwefror 2004
|
69.2
|
72.8
|
71.2
|
68.3
|
Mawrth 2004
|
70.3
|
73.7
|
72.1
|
69.6
|
Ebrill 2004
|
72.6
|
75.0
|
75.1
|
70.8
|
Mai 2004
|
74.0
|
75.9
|
76.3
|
72.5
|
Mehefin 2004
|
75.7
|
77.7
|
78.1
|
74.3
|
Gorffennaf 2004
|
77.3
|
79.5
|
80.3
|
74.3
|
Awst 2004
|
78.3
|
80.7
|
81.0
|
75.6
|
Medi 2004
|
78.5
|
81.2
|
81.1
|
75.7
|
Hydref 2004
|
78.6
|
81.0
|
81.4
|
75.7
|
Tachwedd 2004
|
79.0
|
81.4
|
81.6
|
76.6
|
Rhagfyr 2004
|
78.8
|
80.5
|
81.2
|
76.3
|
Ionawr 2005
|
78.2
|
80.6
|
80.5
|
75.4
|
Chwefror 2005
|
78.2
|
80.1
|
81.0
|
75.4
|
Mawrth 2005
|
78.7
|
80.2
|
81.4
|
75.8
|
Ebrill 2005
|
79.5
|
80.4
|
82.4
|
76.4
|
Mai 2005
|
80.4
|
81.9
|
82.9
|
77.2
|
Mehefin 2005
|
80.9
|
81.3
|
83.5
|
77.5
|
Gorffennaf 2005
|
81.7
|
82.8
|
84.8
|
77.7
|
Awst 2005
|
82.0
|
83.6
|
84.5
|
78.2
|
Medi 2005
|
81.9
|
83.0
|
84.4
|
77.7
|
Hydref 2005
|
81.6
|
82.8
|
84.2
|
77.6
|
Tachwedd 2005
|
82.0
|
83.0
|
84.5
|
78.0
|
Rhagfyr 2005
|
82.4
|
82.1
|
84.5
|
79.6
|
Ionawr 2006
|
82.1
|
83.0
|
84.5
|
78.1
|
Chwefror 2006
|
82.3
|
82.4
|
84.5
|
79.1
|
Mawrth 2006
|
82.8
|
83.3
|
85.2
|
79.0
|
Ebrill 2006
|
84.4
|
84.3
|
86.9
|
80.2
|
Mai 2006
|
85.1
|
85.4
|
87.6
|
81.5
|
Mehefin 2006
|
85.9
|
85.4
|
88.3
|
82.2
|
Gorffennaf 2006
|
86.8
|
87.0
|
89.2
|
82.1
|
Awst 2006
|
87.6
|
88.1
|
90.0
|
82.8
|
Medi 2006
|
87.9
|
88.4
|
90.3
|
83.4
|
Hydref 2006
|
88.2
|
88.5
|
90.5
|
84.0
|
Tachwedd 2006
|
88.6
|
89.0
|
91.1
|
83.8
|
Rhagfyr 2006
|
89.7
|
88.9
|
91.9
|
85.8
|
Ionawr 2007
|
89.6
|
89.8
|
91.8
|
85.5
|
Chwefror 2007
|
89.9
|
89.5
|
91.9
|
86.9
|
Mawrth 2007
|
90.6
|
90.1
|
92.6
|
86.6
|
Ebrill 2007
|
92.0
|
91.1
|
93.9
|
88.1
|
Mai 2007
|
93.1
|
91.8
|
94.8
|
90.1
|
Mehefin 2007
|
94.1
|
93.0
|
95.7
|
90.7
|
Gorffennaf 2007
|
95.3
|
95.1
|
96.9
|
91.6
|
Awst 2007
|
95.8
|
95.7
|
97.4
|
91.8
|
Medi 2007
|
96.0
|
96.0
|
97.4
|
92.7
|
Hydref 2007
|
96.0
|
96.0
|
97.1
|
92.9
|
Tachwedd 2007
|
95.9
|
96.2
|
97.4
|
92.5
|
Rhagfyr 2007
|
95.8
|
95.2
|
97.1
|
93.1
|
Ionawr 2008
|
94.5
|
94.8
|
95.6
|
91.9
|
Chwefror 2008
|
93.7
|
93.7
|
95.1
|
90.8
|
Mawrth 2008
|
93.0
|
92.8
|
94.7
|
89.5
|
Ebrill 2008
|
93.2
|
93.5
|
94.5
|
89.5
|
Mai 2008
|
93.6
|
93.2
|
95.2
|
90.1
|
Mehefin 2008
|
92.4
|
92.0
|
94.0
|
88.6
|
Gorffennaf 2008
|
91.6
|
92.0
|
93.2
|
88.0
|
Awst 2008
|
89.5
|
90.0
|
91.0
|
85.8
|
Medi 2008
|
87.4
|
88.9
|
88.4
|
83.9
|
Hydref 2008
|
85.4
|
86.3
|
86.8
|
82.1
|
Tachwedd 2008
|
82.9
|
83.6
|
84.7
|
79.3
|
Rhagfyr 2008
|
81.7
|
82.2
|
83.2
|
77.7
|
Ionawr 2009
|
80.2
|
81.7
|
81.3
|
77.2
|
Chwefror 2009
|
79.4
|
79.8
|
80.8
|
76.8
|
Mawrth 2009
|
78.6
|
79.2
|
79.6
|
76.2
|
Ebrill 2009
|
79.2
|
79.4
|
80.9
|
75.8
|
Mai 2009
|
80.2
|
80.4
|
81.9
|
76.9
|
Mehefin 2009
|
81.1
|
81.6
|
82.6
|
77.3
|
Gorffennaf 2009
|
82.7
|
83.5
|
84.4
|
78.1
|
Awst 2009
|
83.6
|
84.5
|
85.4
|
78.8
|
Medi 2009
|
84.4
|
85.2
|
85.8
|
80.2
|
Hydref 2009
|
84.9
|
85.9
|
86.9
|
79.9
|
Tachwedd 2009
|
85.2
|
86.5
|
86.8
|
79.9
|
Rhagfyr 2009
|
85.8
|
85.6
|
87.9
|
80.7
|
Ionawr 2010
|
86.0
|
88.1
|
87.6
|
80.3
|
Chwefror 2010
|
86.4
|
88.0
|
88.4
|
80.6
|
Mawrth 2010
|
86.2
|
87.7
|
87.6
|
81.5
|
Ebrill 2010
|
87.2
|
88.4
|
89.1
|
81.8
|
Mai 2010
|
87.6
|
89.2
|
89.3
|
82.2
|
Mehefin 2010
|
88.1
|
89.2
|
89.8
|
82.6
|
Gorffennaf 2010
|
89.0
|
91.2
|
90.6
|
82.9
|
Awst 2010
|
89.1
|
91.4
|
91.3
|
82.8
|
Medi 2010
|
88.8
|
91.3
|
90.4
|
82.8
|
Hydref 2010
|
87.8
|
90.2
|
89.6
|
81.9
|
Tachwedd 2010
|
86.9
|
89.7
|
88.8
|
81.2
|
Rhagfyr 2010
|
86.8
|
88.7
|
88.6
|
81.3
|
Ionawr 2011
|
86.0
|
88.9
|
87.3
|
80.8
|
Chwefror 2011
|
85.7
|
88.4
|
86.9
|
80.8
|
Mawrth 2011
|
85.3
|
88.3
|
86.2
|
80.7
|
Ebrill 2011
|
86.5
|
88.6
|
87.5
|
82.2
|
Mai 2011
|
86.1
|
88.0
|
87.6
|
81.7
|
Mehefin 2011
|
86.2
|
87.6
|
87.8
|
81.7
|
Gorffennaf 2011
|
87.3
|
89.1
|
88.5
|
83.2
|
Awst 2011
|
87.4
|
89.9
|
89.2
|
81.8
|
Medi 2011
|
87.2
|
89.7
|
88.4
|
81.8
|
Hydref 2011
|
86.4
|
89.2
|
88.0
|
80.9
|
Tachwedd 2011
|
86.4
|
88.8
|
87.9
|
81.9
|
Rhagfyr 2011
|
86.2
|
88.0
|
87.9
|
81.6
|
Ionawr 2012
|
85.9
|
88.0
|
87.6
|
80.9
|
Chwefror 2012
|
85.8
|
88.0
|
87.4
|
80.6
|
Mawrth 2012
|
85.9
|
86.7
|
87.6
|
81.4
|
Ebrill 2012
|
87.0
|
88.9
|
88.3
|
83.0
|
Mai 2012
|
87.3
|
88.7
|
88.6
|
83.3
|
Mehefin 2012
|
88.1
|
88.8
|
89.2
|
83.8
|
Gorffennaf 2012
|
88.6
|
90.3
|
89.7
|
84.2
|
Awst 2012
|
88.8
|
90.2
|
90.1
|
83.9
|
Medi 2012
|
88.5
|
90.0
|
89.6
|
84.0
|
Hydref 2012
|
88.0
|
89.4
|
89.1
|
84.0
|
Tachwedd 2012
|
88.1
|
89.5
|
89.3
|
83.5
|
Rhagfyr 2012
|
88.0
|
89.2
|
88.9
|
83.9
|
Ionawr 2013
|
87.2
|
88.6
|
88.7
|
83.0
|
Chwefror 2013
|
87.4
|
88.6
|
88.4
|
83.5
|
Mawrth 2013
|
87.8
|
89.5
|
88.8
|
83.9
|
Ebrill 2013
|
88.7
|
89.9
|
89.6
|
85.2
|
Mai 2013
|
89.0
|
89.9
|
90.1
|
85.7
|
Mehefin 2013
|
89.8
|
90.4
|
90.7
|
86.1
|
Statws y prynwr
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol yn ôl y math o brynwr e.e. Prynwr am y Tro Cyntaf neu Gyn Berchen-Feddiannydd
Newid canrannol (blynyddol)
yn ôl
statws y prynwr
yn
Lloegr
dangos
Newid canrannol (misol)
yn ôl
statws y prynwr
yn
Lloegr
dangos
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
|
Mehefin 1998
|
Gorffennaf 1998
|
Awst 1998
|
Medi 1998
|
Hydref 1998
|
Tachwedd 1998
|
Rhagfyr 1998
|
Ionawr 1999
|
Chwefror 1999
|
Mawrth 1999
|
Ebrill 1999
|
Mai 1999
|
Mehefin 1999
|
Gorffennaf 1999
|
Awst 1999
|
Medi 1999
|
Hydref 1999
|
Tachwedd 1999
|
Rhagfyr 1999
|
Ionawr 2000
|
Chwefror 2000
|
Mawrth 2000
|
Ebrill 2000
|
Mai 2000
|
Mehefin 2000
|
Gorffennaf 2000
|
Awst 2000
|
Medi 2000
|
Hydref 2000
|
Tachwedd 2000
|
Rhagfyr 2000
|
Ionawr 2001
|
Chwefror 2001
|
Mawrth 2001
|
Ebrill 2001
|
Mai 2001
|
Mehefin 2001
|
Gorffennaf 2001
|
Awst 2001
|
Medi 2001
|
Hydref 2001
|
Tachwedd 2001
|
Rhagfyr 2001
|
Ionawr 2002
|
Chwefror 2002
|
Mawrth 2002
|
Ebrill 2002
|
Mai 2002
|
Mehefin 2002
|
Gorffennaf 2002
|
Awst 2002
|
Medi 2002
|
Hydref 2002
|
Tachwedd 2002
|
Rhagfyr 2002
|
Ionawr 2003
|
Chwefror 2003
|
Mawrth 2003
|
Ebrill 2003
|
Mai 2003
|
Mehefin 2003
|
Gorffennaf 2003
|
Awst 2003
|
Medi 2003
|
Hydref 2003
|
Tachwedd 2003
|
Rhagfyr 2003
|
Ionawr 2004
|
Chwefror 2004
|
Mawrth 2004
|
Ebrill 2004
|
Mai 2004
|
Mehefin 2004
|
Gorffennaf 2004
|
Awst 2004
|
Medi 2004
|
Hydref 2004
|
Tachwedd 2004
|
Rhagfyr 2004
|
Ionawr 2005
|
Chwefror 2005
|
Mawrth 2005
|
Ebrill 2005
|
Mai 2005
|
Mehefin 2005
|
Gorffennaf 2005
|
Awst 2005
|
Medi 2005
|
Hydref 2005
|
Tachwedd 2005
|
Rhagfyr 2005
|
Ionawr 2006
|
Chwefror 2006
|
Mawrth 2006
|
Ebrill 2006
|
Mai 2006
|
Mehefin 2006
|
Gorffennaf 2006
|
Awst 2006
|
Medi 2006
|
Hydref 2006
|
Tachwedd 2006
|
Rhagfyr 2006
|
Ionawr 2007
|
Chwefror 2007
|
Mawrth 2007
|
Ebrill 2007
|
Mai 2007
|
Mehefin 2007
|
Gorffennaf 2007
|
Awst 2007
|
Medi 2007
|
Hydref 2007
|
Tachwedd 2007
|
Rhagfyr 2007
|
Ionawr 2008
|
Chwefror 2008
|
Mawrth 2008
|
Ebrill 2008
|
Mai 2008
|
Mehefin 2008
|
Gorffennaf 2008
|
Awst 2008
|
Medi 2008
|
Hydref 2008
|
Tachwedd 2008
|
Rhagfyr 2008
|
Ionawr 2009
|
Chwefror 2009
|
Mawrth 2009
|
Ebrill 2009
|
Mai 2009
|
Mehefin 2009
|
Gorffennaf 2009
|
Awst 2009
|
Medi 2009
|
Hydref 2009
|
Tachwedd 2009
|
Rhagfyr 2009
|
Ionawr 2010
|
Chwefror 2010
|
Mawrth 2010
|
Ebrill 2010
|
Mai 2010
|
Mehefin 2010
|
Gorffennaf 2010
|
Awst 2010
|
Medi 2010
|
Hydref 2010
|
Tachwedd 2010
|
Rhagfyr 2010
|
Ionawr 2011
|
Chwefror 2011
|
Mawrth 2011
|
Ebrill 2011
|
Mai 2011
|
Mehefin 2011
|
Gorffennaf 2011
|
Awst 2011
|
Medi 2011
|
Hydref 2011
|
Tachwedd 2011
|
Rhagfyr 2011
|
Ionawr 2012
|
Chwefror 2012
|
Mawrth 2012
|
Ebrill 2012
|
Mai 2012
|
Mehefin 2012
|
Gorffennaf 2012
|
Awst 2012
|
Medi 2012
|
Hydref 2012
|
Tachwedd 2012
|
Rhagfyr 2012
|
Ionawr 2013
|
Chwefror 2013
|
Mawrth 2013
|
Ebrill 2013
|
Mai 2013
|
Mehefin 2013
|
Newid canrannol (blynyddol)
yn ôl
statws cyllido
yn
Lloegr
cuddio
Dyddiad
|
Mehefin 1998
|
Gorffennaf 1998
|
Awst 1998
|
Medi 1998
|
Hydref 1998
|
Tachwedd 1998
|
Rhagfyr 1998
|
Ionawr 1999
|
Chwefror 1999
|
Mawrth 1999
|
Ebrill 1999
|
Mai 1999
|
Mehefin 1999
|
Gorffennaf 1999
|
Awst 1999
|
Medi 1999
|
Hydref 1999
|
Tachwedd 1999
|
Rhagfyr 1999
|
Ionawr 2000
|
Chwefror 2000
|
Mawrth 2000
|
Ebrill 2000
|
Mai 2000
|
Mehefin 2000
|
Gorffennaf 2000
|
Awst 2000
|
Medi 2000
|
Hydref 2000
|
Tachwedd 2000
|
Rhagfyr 2000
|
Ionawr 2001
|
Chwefror 2001
|
Mawrth 2001
|
Ebrill 2001
|
Mai 2001
|
Mehefin 2001
|
Gorffennaf 2001
|
Awst 2001
|
Medi 2001
|
Hydref 2001
|
Tachwedd 2001
|
Rhagfyr 2001
|
Ionawr 2002
|
Chwefror 2002
|
Mawrth 2002
|
Ebrill 2002
|
Mai 2002
|
Mehefin 2002
|
Gorffennaf 2002
|
Awst 2002
|
Medi 2002
|
Hydref 2002
|
Tachwedd 2002
|
Rhagfyr 2002
|
Ionawr 2003
|
Chwefror 2003
|
Mawrth 2003
|
Ebrill 2003
|
Mai 2003
|
Mehefin 2003
|
Gorffennaf 2003
|
Awst 2003
|
Medi 2003
|
Hydref 2003
|
Tachwedd 2003
|
Rhagfyr 2003
|
Ionawr 2004
|
Chwefror 2004
|
Mawrth 2004
|
Ebrill 2004
|
Mai 2004
|
Mehefin 2004
|
Gorffennaf 2004
|
Awst 2004
|
Medi 2004
|
Hydref 2004
|
Tachwedd 2004
|
Rhagfyr 2004
|
Ionawr 2005
|
Chwefror 2005
|
Mawrth 2005
|
Ebrill 2005
|
Mai 2005
|
Mehefin 2005
|
Gorffennaf 2005
|
Awst 2005
|
Medi 2005
|
Hydref 2005
|
Tachwedd 2005
|
Rhagfyr 2005
|
Ionawr 2006
|
Chwefror 2006
|
Mawrth 2006
|
Ebrill 2006
|
Mai 2006
|
Mehefin 2006
|
Gorffennaf 2006
|
Awst 2006
|
Medi 2006
|
Hydref 2006
|
Tachwedd 2006
|
Rhagfyr 2006
|
Ionawr 2007
|
Chwefror 2007
|
Mawrth 2007
|
Ebrill 2007
|
Mai 2007
|
Mehefin 2007
|
Gorffennaf 2007
|
Awst 2007
|
Medi 2007
|
Hydref 2007
|
Tachwedd 2007
|
Rhagfyr 2007
|
Ionawr 2008
|
Chwefror 2008
|
Mawrth 2008
|
Ebrill 2008
|
Mai 2008
|
Mehefin 2008
|
Gorffennaf 2008
|
Awst 2008
|
Medi 2008
|
Hydref 2008
|
Tachwedd 2008
|
Rhagfyr 2008
|
Ionawr 2009
|
Chwefror 2009
|
Mawrth 2009
|
Ebrill 2009
|
Mai 2009
|
Mehefin 2009
|
Gorffennaf 2009
|
Awst 2009
|
Medi 2009
|
Hydref 2009
|
Tachwedd 2009
|
Rhagfyr 2009
|
Ionawr 2010
|
Chwefror 2010
|
Mawrth 2010
|
Ebrill 2010
|
Mai 2010
|
Mehefin 2010
|
Gorffennaf 2010
|
Awst 2010
|
Medi 2010
|
Hydref 2010
|
Tachwedd 2010
|
Rhagfyr 2010
|
Ionawr 2011
|
Chwefror 2011
|
Mawrth 2011
|
Ebrill 2011
|
Mai 2011
|
Mehefin 2011
|
Gorffennaf 2011
|
Awst 2011
|
Medi 2011
|
Hydref 2011
|
Tachwedd 2011
|
Rhagfyr 2011
|
Ionawr 2012
|
Chwefror 2012
|
Mawrth 2012
|
Ebrill 2012
|
Mai 2012
|
Mehefin 2012
|
Gorffennaf 2012
|
Awst 2012
|
Medi 2012
|
Hydref 2012
|
Tachwedd 2012
|
Rhagfyr 2012
|
Ionawr 2013
|
Chwefror 2013
|
Mawrth 2013
|
Ebrill 2013
|
Mai 2013
|
Mehefin 2013
|
Newid canrannol (misol)
yn ôl
statws cyllido
yn
Lloegr
cuddio
Dyddiad
|
Mehefin 1998
|
Gorffennaf 1998
|
Awst 1998
|
Medi 1998
|
Hydref 1998
|
Tachwedd 1998
|
Rhagfyr 1998
|
Ionawr 1999
|
Chwefror 1999
|
Mawrth 1999
|
Ebrill 1999
|
Mai 1999
|
Mehefin 1999
|
Gorffennaf 1999
|
Awst 1999
|
Medi 1999
|
Hydref 1999
|
Tachwedd 1999
|
Rhagfyr 1999
|
Ionawr 2000
|
Chwefror 2000
|
Mawrth 2000
|
Ebrill 2000
|
Mai 2000
|
Mehefin 2000
|
Gorffennaf 2000
|
Awst 2000
|
Medi 2000
|
Hydref 2000
|
Tachwedd 2000
|
Rhagfyr 2000
|
Ionawr 2001
|
Chwefror 2001
|
Mawrth 2001
|
Ebrill 2001
|
Mai 2001
|
Mehefin 2001
|
Gorffennaf 2001
|
Awst 2001
|
Medi 2001
|
Hydref 2001
|
Tachwedd 2001
|
Rhagfyr 2001
|
Ionawr 2002
|
Chwefror 2002
|
Mawrth 2002
|
Ebrill 2002
|
Mai 2002
|
Mehefin 2002
|
Gorffennaf 2002
|
Awst 2002
|
Medi 2002
|
Hydref 2002
|
Tachwedd 2002
|
Rhagfyr 2002
|
Ionawr 2003
|
Chwefror 2003
|
Mawrth 2003
|
Ebrill 2003
|
Mai 2003
|
Mehefin 2003
|
Gorffennaf 2003
|
Awst 2003
|
Medi 2003
|
Hydref 2003
|
Tachwedd 2003
|
Rhagfyr 2003
|
Ionawr 2004
|
Chwefror 2004
|
Mawrth 2004
|
Ebrill 2004
|
Mai 2004
|
Mehefin 2004
|
Gorffennaf 2004
|
Awst 2004
|
Medi 2004
|
Hydref 2004
|
Tachwedd 2004
|
Rhagfyr 2004
|
Ionawr 2005
|
Chwefror 2005
|
Mawrth 2005
|
Ebrill 2005
|
Mai 2005
|
Mehefin 2005
|
Gorffennaf 2005
|
Awst 2005
|
Medi 2005
|
Hydref 2005
|
Tachwedd 2005
|
Rhagfyr 2005
|
Ionawr 2006
|
Chwefror 2006
|
Mawrth 2006
|
Ebrill 2006
|
Mai 2006
|
Mehefin 2006
|
Gorffennaf 2006
|
Awst 2006
|
Medi 2006
|
Hydref 2006
|
Tachwedd 2006
|
Rhagfyr 2006
|
Ionawr 2007
|
Chwefror 2007
|
Mawrth 2007
|
Ebrill 2007
|
Mai 2007
|
Mehefin 2007
|
Gorffennaf 2007
|
Awst 2007
|
Medi 2007
|
Hydref 2007
|
Tachwedd 2007
|
Rhagfyr 2007
|
Ionawr 2008
|
Chwefror 2008
|
Mawrth 2008
|
Ebrill 2008
|
Mai 2008
|
Mehefin 2008
|
Gorffennaf 2008
|
Awst 2008
|
Medi 2008
|
Hydref 2008
|
Tachwedd 2008
|
Rhagfyr 2008
|
Ionawr 2009
|
Chwefror 2009
|
Mawrth 2009
|
Ebrill 2009
|
Mai 2009
|
Mehefin 2009
|
Gorffennaf 2009
|
Awst 2009
|
Medi 2009
|
Hydref 2009
|
Tachwedd 2009
|
Rhagfyr 2009
|
Ionawr 2010
|
Chwefror 2010
|
Mawrth 2010
|
Ebrill 2010
|
Mai 2010
|
Mehefin 2010
|
Gorffennaf 2010
|
Awst 2010
|
Medi 2010
|
Hydref 2010
|
Tachwedd 2010
|
Rhagfyr 2010
|
Ionawr 2011
|
Chwefror 2011
|
Mawrth 2011
|
Ebrill 2011
|
Mai 2011
|
Mehefin 2011
|
Gorffennaf 2011
|
Awst 2011
|
Medi 2011
|
Hydref 2011
|
Tachwedd 2011
|
Rhagfyr 2011
|
Ionawr 2012
|
Chwefror 2012
|
Mawrth 2012
|
Ebrill 2012
|
Mai 2012
|
Mehefin 2012
|
Gorffennaf 2012
|
Awst 2012
|
Medi 2012
|
Hydref 2012
|
Tachwedd 2012
|
Rhagfyr 2012
|
Ionawr 2013
|
Chwefror 2013
|
Mawrth 2013
|
Ebrill 2013
|
Mai 2013
|
Mehefin 2013
|
Dyddiad
|
Mehefin 1998
|
Gorffennaf 1998
|
Awst 1998
|
Medi 1998
|
Hydref 1998
|
Tachwedd 1998
|
Rhagfyr 1998
|
Ionawr 1999
|
Chwefror 1999
|
Mawrth 1999
|
Ebrill 1999
|
Mai 1999
|
Mehefin 1999
|
Gorffennaf 1999
|
Awst 1999
|
Medi 1999
|
Hydref 1999
|
Tachwedd 1999
|
Rhagfyr 1999
|
Ionawr 2000
|
Chwefror 2000
|
Mawrth 2000
|
Ebrill 2000
|
Mai 2000
|
Mehefin 2000
|
Gorffennaf 2000
|
Awst 2000
|
Medi 2000
|
Hydref 2000
|
Tachwedd 2000
|
Rhagfyr 2000
|
Ionawr 2001
|
Chwefror 2001
|
Mawrth 2001
|
Ebrill 2001
|
Mai 2001
|
Mehefin 2001
|
Gorffennaf 2001
|
Awst 2001
|
Medi 2001
|
Hydref 2001
|
Tachwedd 2001
|
Rhagfyr 2001
|
Ionawr 2002
|
Chwefror 2002
|
Mawrth 2002
|
Ebrill 2002
|
Mai 2002
|
Mehefin 2002
|
Gorffennaf 2002
|
Awst 2002
|
Medi 2002
|
Hydref 2002
|
Tachwedd 2002
|
Rhagfyr 2002
|
Ionawr 2003
|
Chwefror 2003
|
Mawrth 2003
|
Ebrill 2003
|
Mai 2003
|
Mehefin 2003
|
Gorffennaf 2003
|
Awst 2003
|
Medi 2003
|
Hydref 2003
|
Tachwedd 2003
|
Rhagfyr 2003
|
Ionawr 2004
|
Chwefror 2004
|
Mawrth 2004
|
Ebrill 2004
|
Mai 2004
|
Mehefin 2004
|
Gorffennaf 2004
|
Awst 2004
|
Medi 2004
|
Hydref 2004
|
Tachwedd 2004
|
Rhagfyr 2004
|
Ionawr 2005
|
Chwefror 2005
|
Mawrth 2005
|
Ebrill 2005
|
Mai 2005
|
Mehefin 2005
|
Gorffennaf 2005
|
Awst 2005
|
Medi 2005
|
Hydref 2005
|
Tachwedd 2005
|
Rhagfyr 2005
|
Ionawr 2006
|
Chwefror 2006
|
Mawrth 2006
|
Ebrill 2006
|
Mai 2006
|
Mehefin 2006
|
Gorffennaf 2006
|
Awst 2006
|
Medi 2006
|
Hydref 2006
|
Tachwedd 2006
|
Rhagfyr 2006
|
Ionawr 2007
|
Chwefror 2007
|
Mawrth 2007
|
Ebrill 2007
|
Mai 2007
|
Mehefin 2007
|
Gorffennaf 2007
|
Awst 2007
|
Medi 2007
|
Hydref 2007
|
Tachwedd 2007
|
Rhagfyr 2007
|
Ionawr 2008
|
Chwefror 2008
|
Mawrth 2008
|
Ebrill 2008
|
Mai 2008
|
Mehefin 2008
|
Gorffennaf 2008
|
Awst 2008
|
Medi 2008
|
Hydref 2008
|
Tachwedd 2008
|
Rhagfyr 2008
|
Ionawr 2009
|
Chwefror 2009
|
Mawrth 2009
|
Ebrill 2009
|
Mai 2009
|
Mehefin 2009
|
Gorffennaf 2009
|
Awst 2009
|
Medi 2009
|
Hydref 2009
|
Tachwedd 2009
|
Rhagfyr 2009
|
Ionawr 2010
|
Chwefror 2010
|
Mawrth 2010
|
Ebrill 2010
|
Mai 2010
|
Mehefin 2010
|
Gorffennaf 2010
|
Awst 2010
|
Medi 2010
|
Hydref 2010
|
Tachwedd 2010
|
Rhagfyr 2010
|
Ionawr 2011
|
Chwefror 2011
|
Mawrth 2011
|
Ebrill 2011
|
Mai 2011
|
Mehefin 2011
|
Gorffennaf 2011
|
Awst 2011
|
Medi 2011
|
Hydref 2011
|
Tachwedd 2011
|
Rhagfyr 2011
|
Ionawr 2012
|
Chwefror 2012
|
Mawrth 2012
|
Ebrill 2012
|
Mai 2012
|
Mehefin 2012
|
Gorffennaf 2012
|
Awst 2012
|
Medi 2012
|
Hydref 2012
|
Tachwedd 2012
|
Rhagfyr 2012
|
Ionawr 2013
|
Chwefror 2013
|
Mawrth 2013
|
Ebrill 2013
|
Mai 2013
|
Mehefin 2013
|
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
|
Mehefin 1998
|
78755.0
|
63641.0
|
Gorffennaf 1998
|
79429.0
|
64500.0
|
Awst 1998
|
80193.0
|
64722.0
|
Medi 1998
|
78954.0
|
64692.0
|
Hydref 1998
|
79992.0
|
64431.0
|
Tachwedd 1998
|
80421.0
|
64282.0
|
Rhagfyr 1998
|
81197.0
|
64440.0
|
Ionawr 1999
|
81805.0
|
64592.0
|
Chwefror 1999
|
80857.0
|
64409.0
|
Mawrth 1999
|
81730.0
|
65266.0
|
Ebrill 1999
|
82115.0
|
66620.0
|
Mai 1999
|
84212.0
|
67257.0
|
Mehefin 1999
|
84905.0
|
68317.0
|
Gorffennaf 1999
|
85858.0
|
69527.0
|
Awst 1999
|
86678.0
|
70642.0
|
Medi 1999
|
87773.0
|
71766.0
|
Hydref 1999
|
88746.0
|
72178.0
|
Tachwedd 1999
|
89246.0
|
73185.0
|
Rhagfyr 1999
|
91940.0
|
73858.0
|
Ionawr 2000
|
90840.0
|
74118.0
|
Chwefror 2000
|
92378.0
|
74429.0
|
Mawrth 2000
|
93431.0
|
75850.0
|
Ebrill 2000
|
95888.0
|
78496.0
|
Mai 2000
|
96992.0
|
79176.0
|
Mehefin 2000
|
97426.0
|
80146.0
|
Gorffennaf 2000
|
99223.0
|
81399.0
|
Awst 2000
|
101561.0
|
82217.0
|
Medi 2000
|
100847.0
|
82376.0
|
Hydref 2000
|
101188.0
|
81984.0
|
Tachwedd 2000
|
102722.0
|
82158.0
|
Rhagfyr 2000
|
103463.0
|
82797.0
|
Ionawr 2001
|
105421.0
|
82826.0
|
Chwefror 2001
|
105884.0
|
82648.0
|
Mawrth 2001
|
105333.0
|
83767.0
|
Ebrill 2001
|
108397.0
|
85899.0
|
Mai 2001
|
107686.0
|
87339.0
|
Mehefin 2001
|
110968.0
|
88441.0
|
Gorffennaf 2001
|
111655.0
|
89954.0
|
Awst 2001
|
114984.0
|
91744.0
|
Medi 2001
|
116773.0
|
91982.0
|
Hydref 2001
|
117549.0
|
92438.0
|
Tachwedd 2001
|
117679.0
|
93424.0
|
Rhagfyr 2001
|
120636.0
|
94173.0
|
Ionawr 2002
|
120904.0
|
94394.0
|
Chwefror 2002
|
123781.0
|
94670.0
|
Mawrth 2002
|
124009.0
|
97115.0
|
Ebrill 2002
|
127347.0
|
99437.0
|
Mai 2002
|
129117.0
|
102648.0
|
Mehefin 2002
|
132981.0
|
104885.0
|
Gorffennaf 2002
|
134624.0
|
108201.0
|
Awst 2002
|
138681.0
|
110939.0
|
Medi 2002
|
138315.0
|
112138.0
|
Hydref 2002
|
141758.0
|
113988.0
|
Tachwedd 2002
|
144304.0
|
116827.0
|
Rhagfyr 2002
|
146132.0
|
118075.0
|
Ionawr 2003
|
146196.0
|
119832.0
|
Chwefror 2003
|
148805.0
|
119778.0
|
Mawrth 2003
|
151176.0
|
121215.0
|
Ebrill 2003
|
153935.0
|
124218.0
|
Mai 2003
|
155479.0
|
126322.0
|
Mehefin 2003
|
158730.0
|
127202.0
|
Gorffennaf 2003
|
161149.0
|
130216.0
|
Awst 2003
|
161872.0
|
131865.0
|
Medi 2003
|
161105.0
|
131876.0
|
Hydref 2003
|
164051.0
|
133843.0
|
Tachwedd 2003
|
165754.0
|
135104.0
|
Rhagfyr 2003
|
167573.0
|
136914.0
|
Ionawr 2004
|
170440.0
|
137477.0
|
Chwefror 2004
|
172924.0
|
137877.0
|
Mawrth 2004
|
174231.0
|
140256.0
|
Ebrill 2004
|
174791.0
|
145317.0
|
Mai 2004
|
181272.0
|
147869.0
|
Mehefin 2004
|
187247.0
|
151067.0
|
Gorffennaf 2004
|
183714.0
|
154884.0
|
Awst 2004
|
187918.0
|
156724.0
|
Medi 2004
|
190270.0
|
157040.0
|
Hydref 2004
|
191059.0
|
157096.0
|
Tachwedd 2004
|
193738.0
|
157919.0
|
Rhagfyr 2004
|
195726.0
|
157261.0
|
Ionawr 2005
|
195855.0
|
155817.0
|
Chwefror 2005
|
198069.0
|
155635.0
|
Mawrth 2005
|
199400.0
|
156645.0
|
Ebrill 2005
|
202674.0
|
158191.0
|
Mai 2005
|
203189.0
|
160051.0
|
Mehefin 2005
|
203457.0
|
161137.0
|
Gorffennaf 2005
|
204669.0
|
162883.0
|
Awst 2005
|
206340.0
|
163471.0
|
Medi 2005
|
205362.0
|
163269.0
|
Hydref 2005
|
206565.0
|
162560.0
|
Tachwedd 2005
|
208080.0
|
163144.0
|
Rhagfyr 2005
|
210142.0
|
163979.0
|
Ionawr 2006
|
207043.0
|
163515.0
|
Chwefror 2006
|
211400.0
|
163517.0
|
Mawrth 2006
|
210269.0
|
164821.0
|
Ebrill 2006
|
213851.0
|
167919.0
|
Mai 2006
|
215407.0
|
169495.0
|
Mehefin 2006
|
215390.0
|
171170.0
|
Gorffennaf 2006
|
215482.0
|
173276.0
|
Awst 2006
|
214891.0
|
174904.0
|
Medi 2006
|
218044.0
|
175353.0
|
Hydref 2006
|
218656.0
|
176011.0
|
Tachwedd 2006
|
217366.0
|
176995.0
|
Rhagfyr 2006
|
222551.0
|
179056.0
|
Ionawr 2007
|
221671.0
|
178909.0
|
Chwefror 2007
|
222912.0
|
179436.0
|
Mawrth 2007
|
221442.0
|
180940.0
|
Ebrill 2007
|
224303.0
|
183946.0
|
Mai 2007
|
231428.0
|
185703.0
|
Mehefin 2007
|
229963.0
|
187946.0
|
Gorffennaf 2007
|
234995.0
|
190311.0
|
Awst 2007
|
229934.0
|
191696.0
|
Medi 2007
|
232821.0
|
191960.0
|
Hydref 2007
|
234235.0
|
191793.0
|
Tachwedd 2007
|
232794.0
|
191682.0
|
Rhagfyr 2007
|
235130.0
|
191383.0
|
Ionawr 2008
|
232440.0
|
188766.0
|
Chwefror 2008
|
235218.0
|
186611.0
|
Mawrth 2008
|
231109.0
|
185471.0
|
Ebrill 2008
|
231955.0
|
185892.0
|
Mai 2008
|
231887.0
|
186634.0
|
Mehefin 2008
|
227922.0
|
184350.0
|
Gorffennaf 2008
|
224152.0
|
183071.0
|
Awst 2008
|
215650.0
|
179130.0
|
Medi 2008
|
213316.0
|
174634.0
|
Hydref 2008
|
208545.0
|
170708.0
|
Tachwedd 2008
|
203304.0
|
165678.0
|
Rhagfyr 2008
|
197017.0
|
163633.0
|
Ionawr 2009
|
197631.0
|
160096.0
|
Chwefror 2009
|
196329.0
|
158338.0
|
Mawrth 2009
|
195730.0
|
156629.0
|
Ebrill 2009
|
195384.0
|
158143.0
|
Mai 2009
|
195321.0
|
160373.0
|
Mehefin 2009
|
195948.0
|
162279.0
|
Gorffennaf 2009
|
198128.0
|
165513.0
|
Awst 2009
|
197957.0
|
167641.0
|
Medi 2009
|
202831.0
|
168962.0
|
Hydref 2009
|
201544.0
|
170282.0
|
Tachwedd 2009
|
201781.0
|
170812.0
|
Rhagfyr 2009
|
202993.0
|
172145.0
|
Ionawr 2010
|
195086.0
|
173239.0
|
Chwefror 2010
|
204399.0
|
173357.0
|
Mawrth 2010
|
205246.0
|
172771.0
|
Ebrill 2010
|
203783.0
|
175077.0
|
Mai 2010
|
204094.0
|
176088.0
|
Mehefin 2010
|
205298.0
|
176968.0
|
Gorffennaf 2010
|
202978.0
|
179168.0
|
Awst 2010
|
206734.0
|
179180.0
|
Medi 2010
|
209094.0
|
178373.0
|
Hydref 2010
|
208146.0
|
176149.0
|
Tachwedd 2010
|
204274.0
|
174504.0
|
Rhagfyr 2010
|
208720.0
|
173877.0
|
Ionawr 2011
|
207235.0
|
172272.0
|
Chwefror 2011
|
206253.0
|
171666.0
|
Mawrth 2011
|
208274.0
|
170686.0
|
Ebrill 2011
|
209520.0
|
173227.0
|
Mai 2011
|
210449.0
|
172269.0
|
Mehefin 2011
|
206709.0
|
172740.0
|
Gorffennaf 2011
|
211163.0
|
174906.0
|
Awst 2011
|
207580.0
|
175369.0
|
Medi 2011
|
206804.0
|
174833.0
|
Hydref 2011
|
207115.0
|
173068.0
|
Tachwedd 2011
|
209032.0
|
172951.0
|
Rhagfyr 2011
|
207432.0
|
172656.0
|
Ionawr 2012
|
205044.0
|
172158.0
|
Chwefror 2012
|
204847.0
|
172155.0
|
Mawrth 2012
|
207377.0
|
172117.0
|
Ebrill 2012
|
208620.0
|
174427.0
|
Mai 2012
|
208720.0
|
174944.0
|
Mehefin 2012
|
209027.0
|
176736.0
|
Gorffennaf 2012
|
205690.0
|
178182.0
|
Awst 2012
|
207422.0
|
178437.0
|
Medi 2012
|
208715.0
|
177708.0
|
Hydref 2012
|
211742.0
|
176197.0
|
Tachwedd 2012
|
213072.0
|
176356.0
|
Rhagfyr 2012
|
213659.0
|
176029.0
|
Ionawr 2013
|
205855.0
|
174960.0
|
Chwefror 2013
|
207704.0
|
175223.0
|
Mawrth 2013
|
213547.0
|
175799.0
|
Ebrill 2013
|
214658.0
|
177567.0
|
Mai 2013
|
213899.0
|
178415.0
|
Mehefin 2013
|
214779.0
|
179937.0
|
Newid canrannol (blynyddol)
yn ôl
statws yr eiddo
yn
Lloegr
cuddio
Dyddiad
|
Adeilad newydd
|
Eiddo presennol
|
Mehefin 1998
|
10.1
|
9.2
|
Gorffennaf 1998
|
10.1
|
8.8
|
Awst 1998
|
10.1
|
8.0
|
Medi 1998
|
7.2
|
7.6
|
Hydref 1998
|
9.1
|
7.0
|
Tachwedd 1998
|
8.7
|
6.0
|
Rhagfyr 1998
|
8.3
|
6.3
|
Ionawr 1999
|
7.7
|
6.1
|
Chwefror 1999
|
5.6
|
6.3
|
Mawrth 1999
|
6.4
|
6.6
|
Ebrill 1999
|
5.4
|
6.3
|
Mai 1999
|
8.2
|
6.2
|
Mehefin 1999
|
7.8
|
7.4
|
Gorffennaf 1999
|
8.1
|
7.8
|
Awst 1999
|
8.1
|
9.2
|
Medi 1999
|
11.2
|
10.9
|
Hydref 1999
|
10.9
|
12.0
|
Tachwedd 1999
|
11.0
|
13.8
|
Rhagfyr 1999
|
13.2
|
14.6
|
Ionawr 2000
|
11.0
|
14.8
|
Chwefror 2000
|
14.2
|
15.6
|
Mawrth 2000
|
14.3
|
16.2
|
Ebrill 2000
|
16.8
|
17.8
|
Mai 2000
|
15.2
|
17.7
|
Mehefin 2000
|
14.8
|
17.3
|
Gorffennaf 2000
|
15.6
|
17.1
|
Awst 2000
|
17.2
|
16.4
|
Medi 2000
|
14.9
|
14.8
|
Hydref 2000
|
14.0
|
13.6
|
Tachwedd 2000
|
15.1
|
12.3
|
Rhagfyr 2000
|
12.5
|
12.1
|
Ionawr 2001
|
16.0
|
11.8
|
Chwefror 2001
|
14.6
|
11.0
|
Mawrth 2001
|
12.7
|
10.4
|
Ebrill 2001
|
13.0
|
9.4
|
Mai 2001
|
11.0
|
10.3
|
Mehefin 2001
|
13.9
|
10.4
|
Gorffennaf 2001
|
12.5
|
10.5
|
Awst 2001
|
13.2
|
11.6
|
Medi 2001
|
15.8
|
11.7
|
Hydref 2001
|
16.2
|
12.8
|
Tachwedd 2001
|
14.6
|
13.7
|
Rhagfyr 2001
|
16.6
|
13.7
|
Ionawr 2002
|
14.7
|
14.0
|
Chwefror 2002
|
16.9
|
14.6
|
Mawrth 2002
|
17.7
|
15.9
|
Ebrill 2002
|
17.5
|
15.8
|
Mai 2002
|
19.9
|
17.5
|
Mehefin 2002
|
19.8
|
18.6
|
Gorffennaf 2002
|
20.6
|
20.3
|
Awst 2002
|
20.6
|
20.9
|
Medi 2002
|
18.4
|
21.9
|
Hydref 2002
|
20.6
|
23.3
|
Tachwedd 2002
|
22.6
|
25.0
|
Rhagfyr 2002
|
21.1
|
25.4
|
Ionawr 2003
|
20.9
|
27.0
|
Chwefror 2003
|
20.2
|
26.5
|
Mawrth 2003
|
21.9
|
24.8
|
Ebrill 2003
|
20.9
|
24.9
|
Mai 2003
|
20.4
|
23.1
|
Mehefin 2003
|
19.4
|
21.3
|
Gorffennaf 2003
|
19.7
|
20.4
|
Awst 2003
|
16.7
|
18.9
|
Medi 2003
|
16.5
|
17.6
|
Hydref 2003
|
15.7
|
17.4
|
Tachwedd 2003
|
14.9
|
15.6
|
Rhagfyr 2003
|
14.7
|
16.0
|
Ionawr 2004
|
16.6
|
14.7
|
Chwefror 2004
|
16.2
|
15.1
|
Mawrth 2004
|
15.2
|
15.7
|
Ebrill 2004
|
13.6
|
17.0
|
Mai 2004
|
16.6
|
17.1
|
Mehefin 2004
|
18.0
|
18.8
|
Gorffennaf 2004
|
14.0
|
18.9
|
Awst 2004
|
16.1
|
18.8
|
Medi 2004
|
18.1
|
19.1
|
Hydref 2004
|
16.5
|
17.4
|
Tachwedd 2004
|
16.9
|
16.9
|
Rhagfyr 2004
|
16.8
|
14.9
|
Ionawr 2005
|
14.9
|
13.3
|
Chwefror 2005
|
14.5
|
12.9
|
Mawrth 2005
|
14.4
|
11.7
|
Ebrill 2005
|
16.0
|
8.9
|
Mai 2005
|
12.1
|
8.2
|
Mehefin 2005
|
8.7
|
6.7
|
Gorffennaf 2005
|
11.4
|
5.2
|
Awst 2005
|
9.8
|
4.3
|
Medi 2005
|
7.9
|
4.0
|
Hydref 2005
|
8.1
|
3.5
|
Tachwedd 2005
|
7.4
|
3.3
|
Rhagfyr 2005
|
7.4
|
4.3
|
Ionawr 2006
|
5.7
|
4.9
|
Chwefror 2006
|
6.7
|
5.1
|
Mawrth 2006
|
5.4
|
5.2
|
Ebrill 2006
|
5.5
|
6.2
|
Mai 2006
|
6.0
|
5.9
|
Mehefin 2006
|
5.9
|
6.2
|
Gorffennaf 2006
|
5.3
|
6.4
|
Awst 2006
|
4.1
|
7.0
|
Medi 2006
|
6.2
|
7.4
|
Hydref 2006
|
5.8
|
8.3
|
Tachwedd 2006
|
4.5
|
8.5
|
Rhagfyr 2006
|
5.9
|
9.2
|
Ionawr 2007
|
7.1
|
9.4
|
Chwefror 2007
|
5.4
|
9.7
|
Mawrth 2007
|
5.3
|
9.8
|
Ebrill 2007
|
4.9
|
9.5
|
Mai 2007
|
7.4
|
9.6
|
Mehefin 2007
|
6.8
|
9.8
|
Gorffennaf 2007
|
9.1
|
9.8
|
Awst 2007
|
7.0
|
9.6
|
Medi 2007
|
6.8
|
9.5
|
Hydref 2007
|
7.1
|
9.0
|
Tachwedd 2007
|
7.1
|
8.3
|
Rhagfyr 2007
|
5.6
|
6.9
|
Ionawr 2008
|
4.9
|
5.5
|
Chwefror 2008
|
5.5
|
4.0
|
Mawrth 2008
|
4.4
|
2.5
|
Ebrill 2008
|
3.4
|
1.1
|
Mai 2008
|
0.2
|
0.5
|
Mehefin 2008
|
-0.9
|
-1.9
|
Gorffennaf 2008
|
-4.6
|
-3.8
|
Awst 2008
|
-6.2
|
-6.6
|
Medi 2008
|
-8.4
|
-9.0
|
Hydref 2008
|
-11.0
|
-11.0
|
Tachwedd 2008
|
-12.7
|
-13.6
|
Rhagfyr 2008
|
-16.2
|
-14.5
|
Ionawr 2009
|
-15.0
|
-15.2
|
Chwefror 2009
|
-16.5
|
-15.2
|
Mawrth 2009
|
-15.3
|
-15.6
|
Ebrill 2009
|
-15.8
|
-14.9
|
Mai 2009
|
-15.8
|
-14.1
|
Mehefin 2009
|
-14.0
|
-12.0
|
Gorffennaf 2009
|
-11.6
|
-9.6
|
Awst 2009
|
-8.2
|
-6.4
|
Medi 2009
|
-4.9
|
-3.2
|
Hydref 2009
|
-3.4
|
-0.2
|
Tachwedd 2009
|
-0.8
|
3.1
|
Rhagfyr 2009
|
3.0
|
5.2
|
Ionawr 2010
|
-1.3
|
8.2
|
Chwefror 2010
|
4.1
|
9.5
|
Mawrth 2010
|
4.9
|
10.3
|
Ebrill 2010
|
4.3
|
10.7
|
Mai 2010
|
4.5
|
9.8
|
Mehefin 2010
|
4.8
|
9.0
|
Gorffennaf 2010
|
2.4
|
8.2
|
Awst 2010
|
4.4
|
6.9
|
Medi 2010
|
3.1
|
5.6
|
Hydref 2010
|
3.3
|
3.4
|
Tachwedd 2010
|
1.2
|
2.2
|
Rhagfyr 2010
|
2.8
|
1.0
|
Ionawr 2011
|
6.2
|
-0.6
|
Chwefror 2011
|
0.9
|
-1.0
|
Mawrth 2011
|
1.5
|
-1.2
|
Ebrill 2011
|
2.8
|
-1.1
|
Mai 2011
|
3.1
|
-2.2
|
Mehefin 2011
|
0.7
|
-2.4
|
Gorffennaf 2011
|
4.0
|
-2.4
|
Awst 2011
|
0.4
|
-2.1
|
Medi 2011
|
-1.1
|
-2.0
|
Hydref 2011
|
-0.5
|
-1.8
|
Tachwedd 2011
|
2.3
|
-0.9
|
Rhagfyr 2011
|
-0.6
|
-0.7
|
Ionawr 2012
|
-1.1
|
-0.1
|
Chwefror 2012
|
-0.7
|
0.3
|
Mawrth 2012
|
-0.4
|
0.8
|
Ebrill 2012
|
-0.4
|
0.7
|
Mai 2012
|
-0.8
|
1.6
|
Mehefin 2012
|
1.1
|
2.3
|
Gorffennaf 2012
|
-2.6
|
1.9
|
Awst 2012
|
-0.1
|
1.8
|
Medi 2012
|
0.9
|
1.6
|
Hydref 2012
|
2.2
|
1.8
|
Tachwedd 2012
|
1.9
|
2.0
|
Rhagfyr 2012
|
3.0
|
2.0
|
Ionawr 2013
|
0.4
|
1.6
|
Chwefror 2013
|
1.4
|
1.8
|
Mawrth 2013
|
3.0
|
2.1
|
Ebrill 2013
|
2.9
|
1.8
|
Mai 2013
|
2.5
|
2.0
|
Mehefin 2013
|
2.8
|
1.8
|
Newid canrannol (misol)
yn ôl
statws yr eiddo
yn
Lloegr
cuddio
Dyddiad
|
Adeilad newydd
|
Eiddo presennol
|
Mehefin 1998
|
1.1
|
0.5
|
Gorffennaf 1998
|
0.9
|
1.4
|
Awst 1998
|
1.0
|
0.3
|
Medi 1998
|
-1.6
|
-0.1
|
Hydref 1998
|
1.3
|
-0.4
|
Tachwedd 1998
|
0.5
|
-0.2
|
Rhagfyr 1998
|
1.0
|
0.2
|
Ionawr 1999
|
0.8
|
0.2
|
Chwefror 1999
|
-1.2
|
-0.3
|
Mawrth 1999
|
1.1
|
1.3
|
Ebrill 1999
|
0.5
|
2.1
|
Mai 1999
|
2.6
|
1.0
|
Mehefin 1999
|
0.8
|
1.6
|
Gorffennaf 1999
|
1.1
|
1.8
|
Awst 1999
|
1.0
|
1.6
|
Medi 1999
|
1.3
|
1.6
|
Hydref 1999
|
1.1
|
0.6
|
Tachwedd 1999
|
0.6
|
1.4
|
Rhagfyr 1999
|
3.0
|
0.9
|
Ionawr 2000
|
-1.2
|
0.4
|
Chwefror 2000
|
1.7
|
0.4
|
Mawrth 2000
|
1.1
|
1.9
|
Ebrill 2000
|
2.6
|
3.5
|
Mai 2000
|
1.2
|
0.9
|
Mehefin 2000
|
0.4
|
1.2
|
Gorffennaf 2000
|
1.8
|
1.6
|
Awst 2000
|
2.4
|
1.0
|
Medi 2000
|
-0.7
|
0.2
|
Hydref 2000
|
0.3
|
-0.5
|
Tachwedd 2000
|
1.5
|
0.2
|
Rhagfyr 2000
|
0.7
|
0.8
|
Ionawr 2001
|
1.9
|
0.0
|
Chwefror 2001
|
0.4
|
-0.2
|
Mawrth 2001
|
-0.5
|
1.4
|
Ebrill 2001
|
2.9
|
2.5
|
Mai 2001
|
-0.7
|
1.7
|
Mehefin 2001
|
3.0
|
1.3
|
Gorffennaf 2001
|
0.6
|
1.7
|
Awst 2001
|
3.0
|
2.0
|
Medi 2001
|
1.6
|
0.3
|
Hydref 2001
|
0.7
|
0.5
|
Tachwedd 2001
|
0.1
|
1.1
|
Rhagfyr 2001
|
2.5
|
0.8
|
Ionawr 2002
|
0.2
|
0.2
|
Chwefror 2002
|
2.4
|
0.3
|
Mawrth 2002
|
0.2
|
2.6
|
Ebrill 2002
|
2.7
|
2.4
|
Mai 2002
|
1.4
|
3.2
|
Mehefin 2002
|
3.0
|
2.2
|
Gorffennaf 2002
|
1.2
|
3.2
|
Awst 2002
|
3.0
|
2.5
|
Medi 2002
|
-0.3
|
1.1
|
Hydref 2002
|
2.5
|
1.6
|
Tachwedd 2002
|
1.8
|
2.5
|
Rhagfyr 2002
|
1.3
|
1.1
|
Ionawr 2003
|
0.0
|
1.5
|
Chwefror 2003
|
1.8
|
-0.1
|
Mawrth 2003
|
1.6
|
1.2
|
Ebrill 2003
|
1.8
|
2.5
|
Mai 2003
|
1.0
|
1.7
|
Mehefin 2003
|
2.1
|
0.7
|
Gorffennaf 2003
|
1.5
|
2.4
|
Awst 2003
|
0.4
|
1.3
|
Medi 2003
|
-0.5
|
0.0
|
Hydref 2003
|
1.8
|
1.5
|
Tachwedd 2003
|
1.0
|
0.9
|
Rhagfyr 2003
|
1.1
|
1.3
|
Ionawr 2004
|
1.7
|
0.4
|
Chwefror 2004
|
1.5
|
0.3
|
Mawrth 2004
|
0.8
|
1.7
|
Ebrill 2004
|
0.3
|
3.6
|
Mai 2004
|
3.7
|
1.8
|
Mehefin 2004
|
3.3
|
2.2
|
Gorffennaf 2004
|
-1.9
|
2.5
|
Awst 2004
|
2.3
|
1.2
|
Medi 2004
|
1.2
|
0.2
|
Hydref 2004
|
0.4
|
0.0
|
Tachwedd 2004
|
1.4
|
0.5
|
Rhagfyr 2004
|
1.0
|
-0.4
|
Ionawr 2005
|
0.1
|
-0.9
|
Chwefror 2005
|
1.1
|
-0.1
|
Mawrth 2005
|
0.7
|
0.6
|
Ebrill 2005
|
1.6
|
1.0
|
Mai 2005
|
0.2
|
1.2
|
Mehefin 2005
|
0.1
|
0.7
|
Gorffennaf 2005
|
0.6
|
1.1
|
Awst 2005
|
0.8
|
0.4
|
Medi 2005
|
-0.5
|
-0.1
|
Hydref 2005
|
0.6
|
-0.4
|
Tachwedd 2005
|
0.7
|
0.4
|
Rhagfyr 2005
|
1.0
|
0.5
|
Ionawr 2006
|
-1.5
|
-0.3
|
Chwefror 2006
|
2.1
|
0.0
|
Mawrth 2006
|
-0.5
|
0.8
|
Ebrill 2006
|
1.7
|
1.9
|
Mai 2006
|
0.7
|
0.9
|
Mehefin 2006
|
-0.0
|
1.0
|
Gorffennaf 2006
|
0.0
|
1.2
|
Awst 2006
|
-0.3
|
0.9
|
Medi 2006
|
1.5
|
0.3
|
Hydref 2006
|
0.3
|
0.4
|
Tachwedd 2006
|
-0.6
|
0.6
|
Rhagfyr 2006
|
2.4
|
1.2
|
Ionawr 2007
|
-0.4
|
-0.1
|
Chwefror 2007
|
0.6
|
0.3
|
Mawrth 2007
|
-0.7
|
0.8
|
Ebrill 2007
|
1.3
|
1.7
|
Mai 2007
|
3.2
|
1.0
|
Mehefin 2007
|
-0.6
|
1.2
|
Gorffennaf 2007
|
2.2
|
1.3
|
Awst 2007
|
-2.2
|
0.7
|
Medi 2007
|
1.3
|
0.1
|
Hydref 2007
|
0.6
|
-0.1
|
Tachwedd 2007
|
-0.6
|
-0.1
|
Rhagfyr 2007
|
1.0
|
-0.2
|
Ionawr 2008
|
-1.1
|
-1.4
|
Chwefror 2008
|
1.2
|
-1.1
|
Mawrth 2008
|
-1.8
|
-0.6
|
Ebrill 2008
|
0.4
|
0.2
|
Mai 2008
|
-0.0
|
0.4
|
Mehefin 2008
|
-1.7
|
-1.2
|
Gorffennaf 2008
|
-1.6
|
-0.7
|
Awst 2008
|
-3.8
|
-2.2
|
Medi 2008
|
-1.1
|
-2.5
|
Hydref 2008
|
-2.2
|
-2.2
|
Tachwedd 2008
|
-2.5
|
-3.0
|
Rhagfyr 2008
|
-3.1
|
-1.2
|
Ionawr 2009
|
0.3
|
-2.2
|
Chwefror 2009
|
-0.7
|
-1.1
|
Mawrth 2009
|
-0.3
|
-1.1
|
Ebrill 2009
|
-0.2
|
1.0
|
Mai 2009
|
-0.0
|
1.4
|
Mehefin 2009
|
0.3
|
1.2
|
Gorffennaf 2009
|
1.1
|
2.0
|
Awst 2009
|
-0.1
|
1.3
|
Medi 2009
|
2.5
|
0.8
|
Hydref 2009
|
-0.6
|
0.8
|
Tachwedd 2009
|
0.1
|
0.3
|
Rhagfyr 2009
|
0.6
|
0.8
|
Ionawr 2010
|
-3.9
|
0.6
|
Chwefror 2010
|
4.8
|
0.1
|
Mawrth 2010
|
0.4
|
-0.3
|
Ebrill 2010
|
-0.7
|
1.3
|
Mai 2010
|
0.2
|
0.6
|
Mehefin 2010
|
0.6
|
0.5
|
Gorffennaf 2010
|
-1.1
|
1.2
|
Awst 2010
|
1.8
|
0.0
|
Medi 2010
|
1.1
|
-0.4
|
Hydref 2010
|
-0.4
|
-1.2
|
Tachwedd 2010
|
-1.9
|
-0.9
|
Rhagfyr 2010
|
2.2
|
-0.4
|
Ionawr 2011
|
-0.7
|
-0.9
|
Chwefror 2011
|
-0.5
|
-0.4
|
Mawrth 2011
|
1.0
|
-0.6
|
Ebrill 2011
|
0.6
|
1.5
|
Mai 2011
|
0.4
|
-0.6
|
Mehefin 2011
|
-1.8
|
0.3
|
Gorffennaf 2011
|
2.2
|
1.2
|
Awst 2011
|
-1.7
|
0.3
|
Medi 2011
|
-0.4
|
-0.3
|
Hydref 2011
|
0.2
|
-1.0
|
Tachwedd 2011
|
0.9
|
-0.1
|
Rhagfyr 2011
|
-0.8
|
-0.2
|
Ionawr 2012
|
-1.2
|
-0.3
|
Chwefror 2012
|
-0.1
|
0.0
|
Mawrth 2012
|
1.2
|
-0.0
|
Ebrill 2012
|
0.6
|
1.3
|
Mai 2012
|
0.1
|
0.3
|
Mehefin 2012
|
0.2
|
1.0
|
Gorffennaf 2012
|
-1.6
|
0.8
|
Awst 2012
|
0.8
|
0.1
|
Medi 2012
|
0.6
|
-0.4
|
Hydref 2012
|
1.4
|
-0.8
|
Tachwedd 2012
|
0.6
|
0.1
|
Rhagfyr 2012
|
0.3
|
-0.2
|
Ionawr 2013
|
-3.6
|
-0.6
|
Chwefror 2013
|
0.9
|
0.2
|
Mawrth 2013
|
2.8
|
0.3
|
Ebrill 2013
|
0.5
|
1.0
|
Mai 2013
|
-0.4
|
0.5
|
Mehefin 2013
|
0.4
|
0.8
|
Dyddiad
|
Adeilad newydd
|
Eiddo presennol
|
Mehefin 1998
|
32.2
|
31.8
|
Gorffennaf 1998
|
32.5
|
32.2
|
Awst 1998
|
32.8
|
32.4
|
Medi 1998
|
32.3
|
32.3
|
Hydref 1998
|
32.8
|
32.2
|
Tachwedd 1998
|
32.9
|
32.1
|
Rhagfyr 1998
|
33.2
|
32.2
|
Ionawr 1999
|
33.5
|
32.3
|
Chwefror 1999
|
33.1
|
32.2
|
Mawrth 1999
|
33.5
|
32.6
|
Ebrill 1999
|
33.6
|
33.3
|
Mai 1999
|
34.5
|
33.6
|
Mehefin 1999
|
34.8
|
34.2
|
Gorffennaf 1999
|
35.2
|
34.8
|
Awst 1999
|
35.5
|
35.3
|
Medi 1999
|
35.9
|
35.9
|
Hydref 1999
|
36.3
|
36.1
|
Tachwedd 1999
|
36.6
|
36.6
|
Rhagfyr 1999
|
37.6
|
36.9
|
Ionawr 2000
|
37.2
|
37.0
|
Chwefror 2000
|
37.8
|
37.2
|
Mawrth 2000
|
38.3
|
37.9
|
Ebrill 2000
|
39.3
|
39.2
|
Mai 2000
|
39.7
|
39.6
|
Mehefin 2000
|
39.9
|
40.1
|
Gorffennaf 2000
|
40.6
|
40.7
|
Awst 2000
|
41.6
|
41.1
|
Medi 2000
|
41.3
|
41.2
|
Hydref 2000
|
41.4
|
41.0
|
Tachwedd 2000
|
42.1
|
41.1
|
Rhagfyr 2000
|
42.4
|
41.4
|
Ionawr 2001
|
43.2
|
41.4
|
Chwefror 2001
|
43.4
|
41.3
|
Mawrth 2001
|
43.1
|
41.9
|
Ebrill 2001
|
44.4
|
42.9
|
Mai 2001
|
44.1
|
43.7
|
Mehefin 2001
|
45.4
|
44.2
|
Gorffennaf 2001
|
45.7
|
45.0
|
Awst 2001
|
47.1
|
45.9
|
Medi 2001
|
47.8
|
46.0
|
Hydref 2001
|
48.1
|
46.2
|
Tachwedd 2001
|
48.2
|
46.7
|
Rhagfyr 2001
|
49.4
|
47.1
|
Ionawr 2002
|
49.5
|
47.2
|
Chwefror 2002
|
50.7
|
47.3
|
Mawrth 2002
|
50.8
|
48.6
|
Ebrill 2002
|
52.2
|
49.7
|
Mai 2002
|
52.9
|
51.3
|
Mehefin 2002
|
54.5
|
52.4
|
Gorffennaf 2002
|
55.1
|
54.1
|
Awst 2002
|
56.8
|
55.5
|
Medi 2002
|
56.6
|
56.1
|
Hydref 2002
|
58.0
|
57.0
|
Tachwedd 2002
|
59.1
|
58.4
|
Rhagfyr 2002
|
59.8
|
59.0
|
Ionawr 2003
|
59.9
|
59.9
|
Chwefror 2003
|
60.9
|
59.9
|
Mawrth 2003
|
61.9
|
60.6
|
Ebrill 2003
|
63.0
|
62.1
|
Mai 2003
|
63.7
|
63.2
|
Mehefin 2003
|
65.0
|
63.6
|
Gorffennaf 2003
|
66.0
|
65.1
|
Awst 2003
|
66.3
|
65.9
|
Medi 2003
|
66.0
|
65.9
|
Hydref 2003
|
67.2
|
66.9
|
Tachwedd 2003
|
67.9
|
67.5
|
Rhagfyr 2003
|
68.6
|
68.4
|
Ionawr 2004
|
69.8
|
68.7
|
Chwefror 2004
|
70.8
|
68.9
|
Mawrth 2004
|
71.4
|
70.1
|
Ebrill 2004
|
71.6
|
72.6
|
Mai 2004
|
74.2
|
73.9
|
Mehefin 2004
|
76.7
|
75.5
|
Gorffennaf 2004
|
75.2
|
77.4
|
Awst 2004
|
77.0
|
78.3
|
Medi 2004
|
77.9
|
78.5
|
Hydref 2004
|
78.2
|
78.5
|
Tachwedd 2004
|
79.3
|
78.9
|
Rhagfyr 2004
|
80.2
|
78.6
|
Ionawr 2005
|
80.2
|
77.9
|
Chwefror 2005
|
81.1
|
77.8
|
Mawrth 2005
|
81.6
|
78.3
|
Ebrill 2005
|
83.0
|
79.1
|
Mai 2005
|
83.2
|
80.0
|
Mehefin 2005
|
83.3
|
80.6
|
Gorffennaf 2005
|
83.8
|
81.4
|
Awst 2005
|
84.5
|
81.7
|
Medi 2005
|
84.1
|
81.6
|
Hydref 2005
|
84.6
|
81.3
|
Tachwedd 2005
|
85.2
|
81.6
|
Rhagfyr 2005
|
86.0
|
82.0
|
Ionawr 2006
|
84.8
|
81.7
|
Chwefror 2006
|
86.6
|
81.7
|
Mawrth 2006
|
86.1
|
82.4
|
Ebrill 2006
|
87.6
|
83.9
|
Mai 2006
|
88.2
|
84.7
|
Mehefin 2006
|
88.2
|
85.6
|
Gorffennaf 2006
|
88.2
|
86.6
|
Awst 2006
|
88.0
|
87.4
|
Medi 2006
|
89.3
|
87.7
|
Hydref 2006
|
89.5
|
88.0
|
Tachwedd 2006
|
89.0
|
88.5
|
Rhagfyr 2006
|
91.1
|
89.5
|
Ionawr 2007
|
90.8
|
89.4
|
Chwefror 2007
|
91.3
|
89.7
|
Mawrth 2007
|
90.7
|
90.4
|
Ebrill 2007
|
91.8
|
92.0
|
Mai 2007
|
94.8
|
92.8
|
Mehefin 2007
|
94.2
|
94.0
|
Gorffennaf 2007
|
96.2
|
95.1
|
Awst 2007
|
94.2
|
95.8
|
Medi 2007
|
95.3
|
96.0
|
Hydref 2007
|
95.9
|
95.9
|
Tachwedd 2007
|
95.3
|
95.8
|
Rhagfyr 2007
|
96.3
|
95.7
|
Ionawr 2008
|
95.2
|
94.4
|
Chwefror 2008
|
96.3
|
93.3
|
Mawrth 2008
|
94.6
|
92.7
|
Ebrill 2008
|
95.0
|
92.9
|
Mai 2008
|
95.0
|
93.3
|
Mehefin 2008
|
93.3
|
92.2
|
Gorffennaf 2008
|
91.8
|
91.5
|
Awst 2008
|
88.3
|
89.5
|
Medi 2008
|
87.4
|
87.3
|
Hydref 2008
|
85.4
|
85.3
|
Tachwedd 2008
|
83.2
|
82.8
|
Rhagfyr 2008
|
80.7
|
81.8
|
Ionawr 2009
|
80.9
|
80.0
|
Chwefror 2009
|
80.4
|
79.2
|
Mawrth 2009
|
80.2
|
78.3
|
Ebrill 2009
|
80.0
|
79.0
|
Mai 2009
|
80.0
|
80.2
|
Mehefin 2009
|
80.2
|
81.1
|
Gorffennaf 2009
|
81.1
|
82.7
|
Awst 2009
|
81.1
|
83.8
|
Medi 2009
|
83.1
|
84.5
|
Hydref 2009
|
82.5
|
85.1
|
Tachwedd 2009
|
82.6
|
85.4
|
Rhagfyr 2009
|
83.1
|
86.0
|
Ionawr 2010
|
79.9
|
86.6
|
Chwefror 2010
|
83.7
|
86.7
|
Mawrth 2010
|
84.0
|
86.4
|
Ebrill 2010
|
83.4
|
87.5
|
Mai 2010
|
83.6
|
88.0
|
Mehefin 2010
|
84.1
|
88.5
|
Gorffennaf 2010
|
83.1
|
89.6
|
Awst 2010
|
84.7
|
89.6
|
Medi 2010
|
85.6
|
89.2
|
Hydref 2010
|
85.2
|
88.0
|
Tachwedd 2010
|
83.6
|
87.2
|
Rhagfyr 2010
|
85.5
|
86.9
|
Ionawr 2011
|
84.9
|
86.1
|
Chwefror 2011
|
84.5
|
85.8
|
Mawrth 2011
|
85.3
|
85.3
|
Ebrill 2011
|
85.8
|
86.6
|
Mai 2011
|
86.2
|
86.1
|
Mehefin 2011
|
84.6
|
86.4
|
Gorffennaf 2011
|
86.5
|
87.4
|
Awst 2011
|
85.0
|
87.7
|
Medi 2011
|
84.7
|
87.4
|
Hydref 2011
|
84.8
|
86.5
|
Tachwedd 2011
|
85.6
|
86.5
|
Rhagfyr 2011
|
84.9
|
86.3
|
Ionawr 2012
|
84.0
|
86.1
|
Chwefror 2012
|
83.9
|
86.1
|
Mawrth 2012
|
84.9
|
86.0
|
Ebrill 2012
|
85.4
|
87.2
|
Mai 2012
|
85.5
|
87.4
|
Mehefin 2012
|
85.6
|
88.4
|
Gorffennaf 2012
|
84.2
|
89.1
|
Awst 2012
|
84.9
|
89.2
|
Medi 2012
|
85.5
|
88.8
|
Hydref 2012
|
86.7
|
88.1
|
Tachwedd 2012
|
87.2
|
88.2
|
Rhagfyr 2012
|
87.5
|
88.0
|
Ionawr 2013
|
84.3
|
87.5
|
Chwefror 2013
|
85.0
|
87.6
|
Mawrth 2013
|
87.4
|
87.9
|
Ebrill 2013
|
87.9
|
88.8
|
Mai 2013
|
87.6
|
89.2
|
Mehefin 2013
|
88.0
|
90.0
|