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
|
Tai ar wahân
|
Tai pâr
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Mehefin 1998
|
105233.0
|
62022.0
|
49789.0
|
57250.0
|
Gorffennaf 1998
|
107455.0
|
62833.0
|
50454.0
|
57188.0
|
Awst 1998
|
108253.0
|
62946.0
|
50593.0
|
57545.0
|
Medi 1998
|
108028.0
|
62849.0
|
50424.0
|
57523.0
|
Hydref 1998
|
107830.0
|
62808.0
|
50064.0
|
57798.0
|
Tachwedd 1998
|
107778.0
|
62740.0
|
49847.0
|
57931.0
|
Rhagfyr 1998
|
106717.0
|
63025.0
|
50311.0
|
58433.0
|
Ionawr 1999
|
108190.0
|
63099.0
|
50219.0
|
58384.0
|
Chwefror 1999
|
107465.0
|
62875.0
|
50009.0
|
58484.0
|
Mawrth 1999
|
108398.0
|
63575.0
|
50741.0
|
59678.0
|
Ebrill 1999
|
109860.0
|
64758.0
|
52205.0
|
60244.0
|
Mai 1999
|
111120.0
|
65436.0
|
52633.0
|
61321.0
|
Mehefin 1999
|
113189.0
|
66264.0
|
53385.0
|
62254.0
|
Gorffennaf 1999
|
115785.0
|
67074.0
|
54322.0
|
63242.0
|
Awst 1999
|
117338.0
|
68011.0
|
55139.0
|
64628.0
|
Medi 1999
|
119492.0
|
68695.0
|
55691.0
|
66772.0
|
Hydref 1999
|
120097.0
|
69590.0
|
55731.0
|
67233.0
|
Tachwedd 1999
|
121037.0
|
70312.0
|
56783.0
|
68241.0
|
Rhagfyr 1999
|
121616.0
|
70877.0
|
57467.0
|
70029.0
|
Ionawr 2000
|
123762.0
|
71147.0
|
57149.0
|
69282.0
|
Chwefror 2000
|
123263.0
|
71182.0
|
57670.0
|
70695.0
|
Mawrth 2000
|
125211.0
|
72762.0
|
58815.0
|
71562.0
|
Ebrill 2000
|
128974.0
|
74797.0
|
60751.0
|
75300.0
|
Mai 2000
|
130525.0
|
75793.0
|
61074.0
|
75618.0
|
Mehefin 2000
|
131375.0
|
76592.0
|
61741.0
|
77209.0
|
Gorffennaf 2000
|
136331.0
|
77710.0
|
62321.0
|
77279.0
|
Awst 2000
|
137463.0
|
78603.0
|
62683.0
|
79329.0
|
Medi 2000
|
138071.0
|
78330.0
|
62940.0
|
79182.0
|
Hydref 2000
|
137866.0
|
78818.0
|
62349.0
|
78062.0
|
Tachwedd 2000
|
138341.0
|
78451.0
|
62457.0
|
79683.0
|
Rhagfyr 2000
|
137313.0
|
79282.0
|
63274.0
|
80779.0
|
Ionawr 2001
|
138724.0
|
79196.0
|
63511.0
|
80274.0
|
Chwefror 2001
|
138022.0
|
79234.0
|
63413.0
|
80251.0
|
Mawrth 2001
|
139141.0
|
80100.0
|
64204.0
|
81645.0
|
Ebrill 2001
|
143795.0
|
81805.0
|
66069.0
|
82990.0
|
Mai 2001
|
144166.0
|
83198.0
|
67082.0
|
85152.0
|
Mehefin 2001
|
145754.0
|
84256.0
|
67943.0
|
87207.0
|
Gorffennaf 2001
|
150363.0
|
85676.0
|
68904.0
|
86990.0
|
Awst 2001
|
153197.0
|
87059.0
|
70368.0
|
89666.0
|
Medi 2001
|
154474.0
|
87147.0
|
70501.0
|
90201.0
|
Hydref 2001
|
154928.0
|
88243.0
|
70661.0
|
90278.0
|
Tachwedd 2001
|
155737.0
|
89168.0
|
71251.0
|
91895.0
|
Rhagfyr 2001
|
156223.0
|
89945.0
|
71754.0
|
94210.0
|
Ionawr 2002
|
158543.0
|
90176.0
|
71799.0
|
93086.0
|
Chwefror 2002
|
158184.0
|
90126.0
|
72696.0
|
93892.0
|
Mawrth 2002
|
160668.0
|
92789.0
|
74385.0
|
96264.0
|
Ebrill 2002
|
164902.0
|
94624.0
|
76047.0
|
99401.0
|
Mai 2002
|
168825.0
|
97971.0
|
78656.0
|
101841.0
|
Mehefin 2002
|
172645.0
|
99569.0
|
80515.0
|
105006.0
|
Gorffennaf 2002
|
180007.0
|
102813.0
|
82773.0
|
106186.0
|
Awst 2002
|
183576.0
|
105600.0
|
85001.0
|
109292.0
|
Medi 2002
|
185993.0
|
106871.0
|
85388.0
|
110436.0
|
Hydref 2002
|
189569.0
|
109106.0
|
86679.0
|
111801.0
|
Tachwedd 2002
|
194233.0
|
111198.0
|
88973.0
|
114981.0
|
Rhagfyr 2002
|
193741.0
|
113280.0
|
90010.0
|
116634.0
|
Ionawr 2003
|
198570.0
|
113813.0
|
91562.0
|
117343.0
|
Chwefror 2003
|
197093.0
|
114952.0
|
91479.0
|
117588.0
|
Mawrth 2003
|
199904.0
|
116085.0
|
92847.0
|
118630.0
|
Ebrill 2003
|
204065.0
|
119696.0
|
95116.0
|
120563.0
|
Mai 2003
|
207033.0
|
121858.0
|
97124.0
|
121310.0
|
Mehefin 2003
|
208114.0
|
122466.0
|
97918.0
|
123516.0
|
Gorffennaf 2003
|
213026.0
|
126104.0
|
100438.0
|
124097.0
|
Awst 2003
|
215456.0
|
127628.0
|
101927.0
|
124910.0
|
Medi 2003
|
215520.0
|
127519.0
|
102053.0
|
124463.0
|
Hydref 2003
|
218070.0
|
129574.0
|
103847.0
|
126162.0
|
Tachwedd 2003
|
219832.0
|
131225.0
|
104768.0
|
127065.0
|
Rhagfyr 2003
|
219064.0
|
132722.0
|
106983.0
|
130095.0
|
Ionawr 2004
|
223795.0
|
133239.0
|
107067.0
|
129344.0
|
Chwefror 2004
|
222314.0
|
133835.0
|
108098.0
|
130021.0
|
Mawrth 2004
|
225058.0
|
135398.0
|
110381.0
|
132477.0
|
Ebrill 2004
|
229139.0
|
140999.0
|
115255.0
|
134707.0
|
Mai 2004
|
231795.0
|
143298.0
|
118023.0
|
138023.0
|
Mehefin 2004
|
237381.0
|
146611.0
|
120428.0
|
141451.0
|
Gorffennaf 2004
|
242821.0
|
150771.0
|
123490.0
|
141450.0
|
Awst 2004
|
246560.0
|
152069.0
|
125051.0
|
143879.0
|
Medi 2004
|
248194.0
|
152351.0
|
125392.0
|
144087.0
|
Hydref 2004
|
247470.0
|
152809.0
|
125582.0
|
144084.0
|
Tachwedd 2004
|
248548.0
|
153301.0
|
126432.0
|
145668.0
|
Rhagfyr 2004
|
245756.0
|
152616.0
|
126940.0
|
145238.0
|
Ionawr 2005
|
246076.0
|
151184.0
|
125601.0
|
143395.0
|
Chwefror 2005
|
244614.0
|
152092.0
|
125414.0
|
143560.0
|
Mawrth 2005
|
245096.0
|
152790.0
|
126913.0
|
144196.0
|
Ebrill 2005
|
245695.0
|
154787.0
|
128752.0
|
145435.0
|
Mai 2005
|
250172.0
|
155755.0
|
130068.0
|
146964.0
|
Mehefin 2005
|
248291.0
|
156799.0
|
132019.0
|
147527.0
|
Gorffennaf 2005
|
252904.0
|
159214.0
|
132862.0
|
147833.0
|
Awst 2005
|
255347.0
|
158709.0
|
133587.0
|
148814.0
|
Medi 2005
|
253632.0
|
158480.0
|
134114.0
|
147875.0
|
Hydref 2005
|
252762.0
|
158252.0
|
133326.0
|
147745.0
|
Tachwedd 2005
|
253491.0
|
158778.0
|
133939.0
|
148493.0
|
Rhagfyr 2005
|
250818.0
|
158711.0
|
135446.0
|
151489.0
|
Ionawr 2006
|
253431.0
|
158632.0
|
134525.0
|
148701.0
|
Chwefror 2006
|
251702.0
|
158696.0
|
134896.0
|
150486.0
|
Mawrth 2006
|
254453.0
|
160009.0
|
135855.0
|
150423.0
|
Ebrill 2006
|
257480.0
|
163296.0
|
139027.0
|
152692.0
|
Mai 2006
|
260768.0
|
164441.0
|
139685.0
|
155081.0
|
Mehefin 2006
|
260886.0
|
165804.0
|
141794.0
|
156320.0
|
Gorffennaf 2006
|
265718.0
|
167607.0
|
143808.0
|
156243.0
|
Awst 2006
|
269069.0
|
168944.0
|
144542.0
|
157650.0
|
Medi 2006
|
269870.0
|
169604.0
|
144901.0
|
158663.0
|
Hydref 2006
|
270313.0
|
169980.0
|
145472.0
|
159785.0
|
Tachwedd 2006
|
271866.0
|
171160.0
|
146257.0
|
159513.0
|
Rhagfyr 2006
|
271575.0
|
172555.0
|
148932.0
|
163364.0
|
Ionawr 2007
|
274140.0
|
172361.0
|
148110.0
|
162661.0
|
Chwefror 2007
|
273400.0
|
172624.0
|
147941.0
|
165346.0
|
Mawrth 2007
|
275290.0
|
173872.0
|
150160.0
|
164732.0
|
Ebrill 2007
|
278323.0
|
176443.0
|
153111.0
|
167700.0
|
Mai 2007
|
280568.0
|
178009.0
|
154245.0
|
171490.0
|
Mehefin 2007
|
284180.0
|
179776.0
|
156259.0
|
172532.0
|
Gorffennaf 2007
|
290354.0
|
181954.0
|
158000.0
|
174371.0
|
Awst 2007
|
292227.0
|
182920.0
|
158996.0
|
174638.0
|
Medi 2007
|
293150.0
|
182883.0
|
158733.0
|
176404.0
|
Hydref 2007
|
293391.0
|
182464.0
|
158609.0
|
176713.0
|
Tachwedd 2007
|
293872.0
|
182897.0
|
158063.0
|
176017.0
|
Rhagfyr 2007
|
290651.0
|
182427.0
|
158459.0
|
177083.0
|
Ionawr 2008
|
289423.0
|
179501.0
|
155720.0
|
174807.0
|
Chwefror 2008
|
286184.0
|
178628.0
|
154361.0
|
172815.0
|
Mawrth 2008
|
283373.0
|
177862.0
|
153850.0
|
170303.0
|
Ebrill 2008
|
285705.0
|
177415.0
|
154601.0
|
170313.0
|
Mai 2008
|
284684.0
|
178896.0
|
154838.0
|
171415.0
|
Mehefin 2008
|
281068.0
|
176576.0
|
153261.0
|
168642.0
|
Gorffennaf 2008
|
280959.0
|
175061.0
|
151274.0
|
167443.0
|
Awst 2008
|
274826.0
|
170963.0
|
147717.0
|
163326.0
|
Medi 2008
|
271619.0
|
166055.0
|
143757.0
|
159615.0
|
Hydref 2008
|
263623.0
|
163044.0
|
140503.0
|
156193.0
|
Tachwedd 2008
|
255449.0
|
159059.0
|
136524.0
|
150973.0
|
Rhagfyr 2008
|
250993.0
|
156357.0
|
135718.0
|
147872.0
|
Ionawr 2009
|
249447.0
|
152642.0
|
131417.0
|
146976.0
|
Chwefror 2009
|
243589.0
|
151813.0
|
130359.0
|
146113.0
|
Mawrth 2009
|
241759.0
|
149583.0
|
129244.0
|
144919.0
|
Ebrill 2009
|
242506.0
|
151958.0
|
131043.0
|
144266.0
|
Mai 2009
|
245652.0
|
153821.0
|
132616.0
|
146296.0
|
Mehefin 2009
|
249229.0
|
155148.0
|
134445.0
|
147179.0
|
Gorffennaf 2009
|
254932.0
|
158447.0
|
137119.0
|
148560.0
|
Awst 2009
|
258189.0
|
160458.0
|
138640.0
|
149846.0
|
Medi 2009
|
260223.0
|
161241.0
|
139949.0
|
152714.0
|
Hydref 2009
|
262447.0
|
163158.0
|
140772.0
|
152088.0
|
Tachwedd 2009
|
264203.0
|
162935.0
|
141655.0
|
152038.0
|
Rhagfyr 2009
|
261546.0
|
165103.0
|
143754.0
|
153597.0
|
Ionawr 2010
|
269072.0
|
164610.0
|
142260.0
|
152798.0
|
Chwefror 2010
|
268692.0
|
166053.0
|
143067.0
|
153394.0
|
Mawrth 2010
|
267846.0
|
164618.0
|
142263.0
|
155161.0
|
Ebrill 2010
|
270032.0
|
167370.0
|
144371.0
|
155667.0
|
Mai 2010
|
272595.0
|
167732.0
|
145141.0
|
156499.0
|
Mehefin 2010
|
272388.0
|
168657.0
|
146573.0
|
157200.0
|
Gorffennaf 2010
|
278651.0
|
170235.0
|
147436.0
|
157684.0
|
Awst 2010
|
279085.0
|
171568.0
|
147014.0
|
157522.0
|
Medi 2010
|
278931.0
|
169714.0
|
147008.0
|
157583.0
|
Hydref 2010
|
275435.0
|
168310.0
|
144807.0
|
155787.0
|
Tachwedd 2010
|
273966.0
|
166719.0
|
142554.0
|
154420.0
|
Rhagfyr 2010
|
270911.0
|
166338.0
|
143256.0
|
154766.0
|
Ionawr 2011
|
271553.0
|
163993.0
|
141127.0
|
153717.0
|
Chwefror 2011
|
269866.0
|
163287.0
|
140631.0
|
153823.0
|
Mawrth 2011
|
269719.0
|
161914.0
|
139920.0
|
153536.0
|
Ebrill 2011
|
270693.0
|
164316.0
|
142530.0
|
156518.0
|
Mai 2011
|
268694.0
|
164506.0
|
141519.0
|
155477.0
|
Mehefin 2011
|
267670.0
|
164896.0
|
142124.0
|
155417.0
|
Gorffennaf 2011
|
272181.0
|
166198.0
|
143900.0
|
158333.0
|
Awst 2011
|
274481.0
|
167447.0
|
143876.0
|
155598.0
|
Medi 2011
|
273859.0
|
166130.0
|
143652.0
|
155744.0
|
Hydref 2011
|
272417.0
|
165294.0
|
141529.0
|
153963.0
|
Tachwedd 2011
|
271147.0
|
165119.0
|
141213.0
|
155873.0
|
Rhagfyr 2011
|
268681.0
|
165018.0
|
141597.0
|
155280.0
|
Ionawr 2012
|
268744.0
|
164445.0
|
141065.0
|
153939.0
|
Chwefror 2012
|
268744.0
|
164145.0
|
141631.0
|
153278.0
|
Mawrth 2012
|
264961.0
|
164505.0
|
142553.0
|
154801.0
|
Ebrill 2012
|
271607.0
|
165786.0
|
142988.0
|
157909.0
|
Mai 2012
|
271021.0
|
166360.0
|
143756.0
|
158509.0
|
Mehefin 2012
|
271301.0
|
167513.0
|
146691.0
|
159561.0
|
Gorffennaf 2012
|
275768.0
|
168482.0
|
146520.0
|
160186.0
|
Awst 2012
|
275476.0
|
169230.0
|
147399.0
|
159581.0
|
Medi 2012
|
274905.0
|
168224.0
|
146751.0
|
159875.0
|
Hydref 2012
|
272924.0
|
167351.0
|
145203.0
|
159803.0
|
Tachwedd 2012
|
273414.0
|
167787.0
|
145834.0
|
158881.0
|
Rhagfyr 2012
|
272600.0
|
167007.0
|
145717.0
|
159610.0
|
Ionawr 2013
|
270680.0
|
166525.0
|
143507.0
|
157947.0
|
Chwefror 2013
|
270741.0
|
166105.0
|
144347.0
|
158875.0
|
Mawrth 2013
|
273464.0
|
166808.0
|
144873.0
|
159637.0
|
Ebrill 2013
|
274649.0
|
168231.0
|
146485.0
|
162125.0
|
Mai 2013
|
274490.0
|
169209.0
|
147210.0
|
163064.0
|
Mehefin 2013
|
276077.0
|
170400.0
|
149113.0
|
163902.0
|
Gorffennaf 2013
|
280209.0
|
172055.0
|
150427.0
|
166628.0
|
Awst 2013
|
282175.0
|
173892.0
|
151571.0
|
167111.0
|
Medi 2013
|
284027.0
|
173187.0
|
151607.0
|
168755.0
|
Hydref 2013
|
283961.0
|
173058.0
|
150022.0
|
168285.0
|
Tachwedd 2013
|
282733.0
|
174278.0
|
151321.0
|
169563.0
|
Rhagfyr 2013
|
283606.0
|
176030.0
|
153457.0
|
173720.0
|
Ionawr 2014
|
285834.0
|
175040.0
|
152675.0
|
173440.0
|
Chwefror 2014
|
287173.0
|
176449.0
|
153599.0
|
174059.0
|
Mawrth 2014
|
286205.0
|
177128.0
|
154402.0
|
175657.0
|
Ebrill 2014
|
292607.0
|
180531.0
|
158218.0
|
179535.0
|
Mai 2014
|
293682.0
|
182212.0
|
159887.0
|
182556.0
|
Mehefin 2014
|
295994.0
|
184122.0
|
161284.0
|
184220.0
|
Gorffennaf 2014
|
301318.0
|
186222.0
|
163881.0
|
186483.0
|
Awst 2014
|
305532.0
|
188678.0
|
165811.0
|
188844.0
|
Medi 2014
|
305753.0
|
188360.0
|
165873.0
|
190050.0
|
Hydref 2014
|
306037.0
|
188458.0
|
165005.0
|
189664.0
|
Tachwedd 2014
|
305355.0
|
188217.0
|
164367.0
|
188765.0
|
Rhagfyr 2014
|
305638.0
|
188273.0
|
164959.0
|
190423.0
|
Ionawr 2015
|
305452.0
|
187827.0
|
164123.0
|
190290.0
|
Chwefror 2015
|
306211.0
|
188027.0
|
164756.0
|
191036.0
|
Mawrth 2015
|
307160.0
|
188399.0
|
163970.0
|
190914.0
|
Ebrill 2015
|
310361.0
|
190529.0
|
167023.0
|
192450.0
|
Mai 2015
|
312056.0
|
193136.0
|
168753.0
|
195666.0
|
Mehefin 2015
|
314484.0
|
194747.0
|
171013.0
|
195288.0
|
Gorffennaf 2015
|
320036.0
|
197839.0
|
173425.0
|
200004.0
|
Awst 2015
|
324044.0
|
199784.0
|
175208.0
|
201842.0
|
Medi 2015
|
326952.0
|
199460.0
|
175126.0
|
203091.0
|
Hydref 2015
|
326398.0
|
200651.0
|
175715.0
|
202376.0
|
Tachwedd 2015
|
328957.0
|
202221.0
|
176903.0
|
204910.0
|
Rhagfyr 2015
|
331013.0
|
203031.0
|
177739.0
|
205939.0
|
Ionawr 2016
|
330358.0
|
204390.0
|
177948.0
|
207941.0
|
Chwefror 2016
|
331270.0
|
204072.0
|
178610.0
|
207771.0
|
Mawrth 2016
|
335972.0
|
204332.0
|
179607.0
|
211891.0
|
Ebrill 2016
|
334113.0
|
207296.0
|
181914.0
|
210424.0
|
Mai 2016
|
335334.0
|
209006.0
|
184130.0
|
215654.0
|
Mehefin 2016
|
342170.0
|
210756.0
|
185472.0
|
215500.0
|
Gorffennaf 2016
|
344250.0
|
213331.0
|
187859.0
|
217820.0
|
Awst 2016
|
345628.0
|
213584.0
|
187742.0
|
218109.0
|
Medi 2016
|
346813.0
|
213476.0
|
186667.0
|
217713.0
|
Hydref 2016
|
346217.0
|
212661.0
|
184854.0
|
218226.0
|
Tachwedd 2016
|
349672.0
|
213385.0
|
185434.0
|
218906.0
|
Rhagfyr 2016
|
349408.0
|
213878.0
|
186867.0
|
220018.0
|
Ionawr 2017
|
349733.0
|
213611.0
|
185996.0
|
220139.0
|
Chwefror 2017
|
349569.0
|
213593.0
|
186974.0
|
223873.0
|
Mawrth 2017
|
350079.0
|
213544.0
|
185775.0
|
221172.0
|
Ebrill 2017
|
354228.0
|
216485.0
|
188856.0
|
224125.0
|
Mai 2017
|
353461.0
|
218918.0
|
190021.0
|
227417.0
|
Mehefin 2017
|
357220.0
|
220112.0
|
192410.0
|
227646.0
|
Gorffennaf 2017
|
361493.0
|
222914.0
|
194396.0
|
230482.0
|
Awst 2017
|
363088.0
|
223857.0
|
196312.0
|
230443.0
|
Medi 2017
|
365228.0
|
223502.0
|
195140.0
|
228595.0
|
Hydref 2017
|
365469.0
|
224513.0
|
194602.0
|
227770.0
|
Tachwedd 2017
|
363065.0
|
223741.0
|
194051.0
|
227222.0
|
Rhagfyr 2017
|
364892.0
|
225102.0
|
195761.0
|
227130.0
|
Ionawr 2018
|
364058.0
|
223772.0
|
193455.0
|
227374.0
|
Chwefror 2018
|
366752.0
|
224239.0
|
194649.0
|
227060.0
|
Mawrth 2018
|
363951.0
|
223394.0
|
194044.0
|
223988.0
|
Ebrill 2018
|
365944.0
|
225756.0
|
196259.0
|
224796.0
|
Mai 2018
|
368006.0
|
226764.0
|
197039.0
|
225472.0
|
Mehefin 2018
|
369449.0
|
228872.0
|
197758.0
|
227383.0
|
Gorffennaf 2018
|
376383.0
|
231083.0
|
200525.0
|
228677.0
|
Awst 2018
|
376560.0
|
231992.0
|
201469.0
|
228736.0
|
Medi 2018
|
377614.0
|
231961.0
|
200684.0
|
227508.0
|
Hydref 2018
|
376569.0
|
231502.0
|
199857.0
|
227981.0
|
Tachwedd 2018
|
376142.0
|
230973.0
|
199607.0
|
225623.0
|
Rhagfyr 2018
|
373190.0
|
230739.0
|
198769.0
|
226923.0
|
Ionawr 2019
|
374559.0
|
229019.0
|
196453.0
|
223908.0
|
Chwefror 2019
|
373299.0
|
228633.0
|
196809.0
|
223812.0
|
Mawrth 2019
|
369683.0
|
228288.0
|
195955.0
|
221555.0
|
Ebrill 2019
|
371113.0
|
229399.0
|
198335.0
|
222913.0
|
Mai 2019
|
371062.0
|
230200.0
|
199088.0
|
221767.0
|
Mehefin 2019
|
372097.0
|
231082.0
|
199166.0
|
224000.0
|
Gorffennaf 2019
|
375878.0
|
232701.0
|
201611.0
|
227260.0
|
Awst 2019
|
378777.0
|
233762.0
|
203207.0
|
224332.0
|
Medi 2019
|
378114.0
|
233332.0
|
203148.0
|
227640.0
|
Hydref 2019
|
377127.0
|
234973.0
|
201495.0
|
224898.0
|
Tachwedd 2019
|
377293.0
|
234008.0
|
201028.0
|
222243.0
|
Rhagfyr 2019
|
375353.0
|
233213.0
|
201726.0
|
224882.0
|
Ionawr 2020
|
376422.0
|
233645.0
|
200819.0
|
223969.0
|
Chwefror 2020
|
375328.0
|
232287.0
|
200753.0
|
221254.0
|
Mawrth 2020
|
378553.0
|
234188.0
|
202000.0
|
225478.0
|
Ebrill 2020
|
377497.0
|
231699.0
|
200144.0
|
219836.0
|
Mai 2020
|
376707.0
|
233738.0
|
200260.0
|
222534.0
|
Mehefin 2020
|
378757.0
|
236968.0
|
204932.0
|
224025.0
|
Gorffennaf 2020
|
384026.0
|
238857.0
|
206198.0
|
227032.0
|
Awst 2020
|
390210.0
|
242027.0
|
208306.0
|
226269.0
|
Medi 2020
|
394660.0
|
243296.0
|
210491.0
|
228668.0
|
Hydref 2020
|
397882.0
|
245048.0
|
212253.0
|
227480.0
|
Tachwedd 2020
|
401047.0
|
247478.0
|
214943.0
|
230585.0
|
Rhagfyr 2020
|
405200.0
|
249953.0
|
217514.0
|
231756.0
|
Ionawr 2021
|
397394.0
|
250195.0
|
217548.0
|
236316.0
|
Chwefror 2021
|
398736.0
|
251304.0
|
219605.0
|
237522.0
|
Mawrth 2021
|
402221.0
|
253552.0
|
222619.0
|
242590.0
|
Ebrill 2021
|
399196.0
|
250268.0
|
218927.0
|
236644.0
|
Mai 2021
|
400373.0
|
251253.0
|
219532.0
|
235683.0
|
Mehefin 2021
|
419963.0
|
265240.0
|
236036.0
|
248887.0
|
Gorffennaf 2021
|
398824.0
|
251297.0
|
217440.0
|
237082.0
|
Awst 2021
|
415835.0
|
260229.0
|
225691.0
|
240648.0
|
Medi 2021
|
426192.0
|
268886.0
|
236231.0
|
247635.0
|
Hydref 2021
|
424091.0
|
260297.0
|
224277.0
|
238933.0
|
Tachwedd 2021
|
430707.0
|
266983.0
|
230065.0
|
244565.0
|
Rhagfyr 2021
|
432229.0
|
268189.0
|
234149.0
|
245763.0
|
Newid canrannol (blynyddol)
yn ôl
math o eiddo
yn
Lloegr
cuddio
Dyddiad
|
Tai ar wahân
|
Tai pâr
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Mehefin 1998
|
9.2
|
8.5
|
8.4
|
13.1
|
Gorffennaf 1998
|
9.6
|
8.3
|
8.1
|
11.3
|
Awst 1998
|
8.7
|
7.2
|
7.8
|
10.6
|
Medi 1998
|
8.3
|
6.8
|
6.9
|
9.4
|
Hydref 1998
|
7.6
|
6.6
|
6.5
|
9.6
|
Tachwedd 1998
|
6.7
|
5.7
|
5.4
|
8.7
|
Rhagfyr 1998
|
6.4
|
5.8
|
6.1
|
9.0
|
Ionawr 1999
|
6.0
|
6.4
|
5.3
|
8.5
|
Chwefror 1999
|
7.1
|
5.8
|
5.6
|
7.3
|
Mawrth 1999
|
7.1
|
6.0
|
5.7
|
9.3
|
Ebrill 1999
|
5.8
|
5.7
|
6.4
|
8.1
|
Mai 1999
|
6.5
|
5.9
|
5.6
|
9.1
|
Mehefin 1999
|
7.6
|
6.8
|
7.2
|
8.7
|
Gorffennaf 1999
|
7.8
|
6.8
|
7.7
|
10.6
|
Awst 1999
|
8.4
|
8.0
|
9.0
|
12.3
|
Medi 1999
|
10.6
|
9.3
|
10.4
|
16.1
|
Hydref 1999
|
11.4
|
10.8
|
11.3
|
16.3
|
Tachwedd 1999
|
12.3
|
12.1
|
13.9
|
17.8
|
Rhagfyr 1999
|
14.0
|
12.5
|
14.2
|
19.8
|
Ionawr 2000
|
14.4
|
12.8
|
13.8
|
18.7
|
Chwefror 2000
|
14.7
|
13.2
|
15.3
|
20.9
|
Mawrth 2000
|
15.5
|
14.4
|
15.9
|
19.9
|
Ebrill 2000
|
17.4
|
15.5
|
16.4
|
25.0
|
Mai 2000
|
17.5
|
15.8
|
16.0
|
23.3
|
Mehefin 2000
|
16.1
|
15.6
|
15.6
|
24.0
|
Gorffennaf 2000
|
17.7
|
15.9
|
14.7
|
22.2
|
Awst 2000
|
17.2
|
15.6
|
13.7
|
22.8
|
Medi 2000
|
15.6
|
14.0
|
13.0
|
18.6
|
Hydref 2000
|
14.8
|
13.3
|
11.9
|
16.1
|
Tachwedd 2000
|
14.3
|
11.6
|
10.0
|
16.8
|
Rhagfyr 2000
|
12.9
|
11.9
|
10.1
|
15.4
|
Ionawr 2001
|
12.1
|
11.3
|
11.1
|
15.9
|
Chwefror 2001
|
12.0
|
11.3
|
10.0
|
13.5
|
Mawrth 2001
|
11.1
|
10.1
|
9.2
|
14.1
|
Ebrill 2001
|
11.5
|
9.4
|
8.8
|
10.2
|
Mai 2001
|
10.4
|
9.8
|
9.8
|
12.6
|
Mehefin 2001
|
10.9
|
10.0
|
10.0
|
13.0
|
Gorffennaf 2001
|
10.3
|
10.2
|
10.6
|
12.6
|
Awst 2001
|
11.4
|
10.8
|
12.3
|
13.0
|
Medi 2001
|
11.9
|
11.3
|
12.0
|
13.9
|
Hydref 2001
|
12.4
|
12.0
|
13.3
|
15.6
|
Tachwedd 2001
|
12.6
|
13.7
|
14.1
|
15.3
|
Rhagfyr 2001
|
13.8
|
13.4
|
13.4
|
16.6
|
Ionawr 2002
|
14.3
|
13.9
|
13.0
|
16.0
|
Chwefror 2002
|
14.6
|
13.8
|
14.6
|
17.0
|
Mawrth 2002
|
15.5
|
15.8
|
15.9
|
17.9
|
Ebrill 2002
|
14.7
|
15.7
|
15.1
|
19.8
|
Mai 2002
|
17.1
|
17.8
|
17.2
|
19.6
|
Mehefin 2002
|
18.4
|
18.2
|
18.5
|
20.4
|
Gorffennaf 2002
|
19.7
|
20.0
|
20.1
|
22.1
|
Awst 2002
|
19.8
|
21.3
|
20.8
|
21.9
|
Medi 2002
|
20.4
|
22.6
|
21.1
|
22.4
|
Hydref 2002
|
22.4
|
23.6
|
22.7
|
23.8
|
Tachwedd 2002
|
24.7
|
24.7
|
24.9
|
25.1
|
Rhagfyr 2002
|
24.0
|
25.9
|
25.4
|
23.8
|
Ionawr 2003
|
25.2
|
26.2
|
27.5
|
26.1
|
Chwefror 2003
|
24.6
|
27.6
|
25.8
|
25.2
|
Mawrth 2003
|
24.4
|
25.1
|
24.8
|
23.2
|
Ebrill 2003
|
23.8
|
26.5
|
25.1
|
21.3
|
Mai 2003
|
22.6
|
24.4
|
23.5
|
19.1
|
Mehefin 2003
|
20.5
|
23.0
|
21.6
|
17.6
|
Gorffennaf 2003
|
18.3
|
22.6
|
21.3
|
16.9
|
Awst 2003
|
17.4
|
20.9
|
19.9
|
14.3
|
Medi 2003
|
15.9
|
19.3
|
19.5
|
12.7
|
Hydref 2003
|
15.0
|
18.8
|
19.8
|
12.8
|
Tachwedd 2003
|
13.2
|
18.0
|
17.8
|
10.5
|
Rhagfyr 2003
|
13.1
|
17.2
|
18.9
|
11.5
|
Ionawr 2004
|
12.7
|
17.1
|
16.9
|
10.2
|
Chwefror 2004
|
12.8
|
16.4
|
18.2
|
10.6
|
Mawrth 2004
|
12.6
|
16.6
|
18.9
|
11.7
|
Ebrill 2004
|
12.3
|
17.8
|
21.2
|
11.7
|
Mai 2004
|
12.0
|
17.6
|
21.5
|
13.8
|
Mehefin 2004
|
14.1
|
19.7
|
23.0
|
14.5
|
Gorffennaf 2004
|
14.0
|
19.6
|
23.0
|
14.0
|
Awst 2004
|
14.4
|
19.2
|
22.7
|
15.2
|
Medi 2004
|
15.2
|
19.5
|
22.9
|
15.8
|
Hydref 2004
|
13.5
|
17.9
|
20.9
|
14.2
|
Tachwedd 2004
|
13.1
|
16.8
|
20.7
|
14.6
|
Rhagfyr 2004
|
12.2
|
15.0
|
18.6
|
11.6
|
Ionawr 2005
|
10.0
|
13.5
|
17.3
|
10.9
|
Chwefror 2005
|
10.0
|
13.6
|
16.0
|
10.4
|
Mawrth 2005
|
8.9
|
12.8
|
15.0
|
8.8
|
Ebrill 2005
|
7.2
|
9.8
|
11.7
|
8.0
|
Mai 2005
|
7.9
|
8.7
|
10.2
|
6.5
|
Mehefin 2005
|
4.6
|
7.0
|
9.6
|
4.3
|
Gorffennaf 2005
|
4.2
|
5.6
|
7.6
|
4.5
|
Awst 2005
|
3.6
|
4.4
|
6.8
|
3.4
|
Medi 2005
|
2.2
|
4.0
|
7.0
|
2.6
|
Hydref 2005
|
2.1
|
3.6
|
6.2
|
2.5
|
Tachwedd 2005
|
2.0
|
3.6
|
5.9
|
1.9
|
Rhagfyr 2005
|
2.1
|
4.0
|
6.7
|
4.3
|
Ionawr 2006
|
3.0
|
4.9
|
7.1
|
3.7
|
Chwefror 2006
|
2.9
|
4.3
|
7.6
|
4.8
|
Mawrth 2006
|
3.8
|
4.7
|
7.0
|
4.3
|
Ebrill 2006
|
4.8
|
5.5
|
8.0
|
5.0
|
Mai 2006
|
4.2
|
5.6
|
7.4
|
5.5
|
Mehefin 2006
|
5.1
|
5.7
|
7.4
|
6.0
|
Gorffennaf 2006
|
5.1
|
5.3
|
8.2
|
5.7
|
Awst 2006
|
5.4
|
6.4
|
8.2
|
5.9
|
Medi 2006
|
6.4
|
7.0
|
8.0
|
7.3
|
Hydref 2006
|
6.9
|
7.4
|
9.1
|
8.2
|
Tachwedd 2006
|
7.2
|
7.8
|
9.2
|
7.4
|
Rhagfyr 2006
|
8.3
|
8.7
|
10.0
|
7.8
|
Ionawr 2007
|
8.2
|
8.6
|
10.1
|
9.4
|
Chwefror 2007
|
8.6
|
8.8
|
9.7
|
9.9
|
Mawrth 2007
|
8.2
|
8.7
|
10.5
|
9.5
|
Ebrill 2007
|
8.1
|
8.0
|
10.1
|
9.8
|
Mai 2007
|
7.6
|
8.2
|
10.4
|
10.6
|
Mehefin 2007
|
8.9
|
8.4
|
10.2
|
10.4
|
Gorffennaf 2007
|
9.3
|
8.6
|
9.9
|
11.6
|
Awst 2007
|
8.6
|
8.3
|
10.0
|
10.8
|
Medi 2007
|
8.6
|
7.8
|
9.6
|
11.2
|
Hydref 2007
|
8.5
|
7.3
|
9.0
|
10.6
|
Tachwedd 2007
|
8.1
|
6.9
|
8.1
|
10.4
|
Rhagfyr 2007
|
7.0
|
5.7
|
6.4
|
8.4
|
Ionawr 2008
|
5.6
|
4.1
|
5.1
|
7.5
|
Chwefror 2008
|
4.7
|
3.5
|
4.3
|
4.5
|
Mawrth 2008
|
2.9
|
2.3
|
2.5
|
3.4
|
Ebrill 2008
|
2.6
|
0.6
|
1.0
|
1.6
|
Mai 2008
|
1.5
|
0.5
|
0.4
|
-0.0
|
Mehefin 2008
|
-1.1
|
-1.8
|
-1.9
|
-2.2
|
Gorffennaf 2008
|
-3.2
|
-3.8
|
-4.3
|
-4.0
|
Awst 2008
|
-6.0
|
-6.5
|
-7.1
|
-6.5
|
Medi 2008
|
-7.3
|
-9.2
|
-9.4
|
-9.5
|
Hydref 2008
|
-10.2
|
-10.6
|
-11.4
|
-11.6
|
Tachwedd 2008
|
-13.1
|
-13.0
|
-13.6
|
-14.2
|
Rhagfyr 2008
|
-13.6
|
-14.3
|
-14.4
|
-16.5
|
Ionawr 2009
|
-13.8
|
-15.0
|
-15.6
|
-15.9
|
Chwefror 2009
|
-14.9
|
-15.0
|
-15.6
|
-15.4
|
Mawrth 2009
|
-14.7
|
-15.9
|
-16.0
|
-14.9
|
Ebrill 2009
|
-15.1
|
-14.4
|
-15.2
|
-15.3
|
Mai 2009
|
-13.7
|
-14.0
|
-14.4
|
-14.6
|
Mehefin 2009
|
-11.3
|
-12.1
|
-12.3
|
-12.7
|
Gorffennaf 2009
|
-9.3
|
-9.5
|
-9.4
|
-11.3
|
Awst 2009
|
-6.0
|
-6.1
|
-6.2
|
-8.2
|
Medi 2009
|
-4.2
|
-2.9
|
-2.6
|
-4.3
|
Hydref 2009
|
-0.4
|
0.1
|
0.2
|
-2.6
|
Tachwedd 2009
|
3.4
|
2.4
|
3.8
|
0.7
|
Rhagfyr 2009
|
4.2
|
5.6
|
5.9
|
3.9
|
Ionawr 2010
|
7.9
|
7.8
|
8.2
|
4.0
|
Chwefror 2010
|
10.3
|
9.4
|
9.8
|
5.0
|
Mawrth 2010
|
10.8
|
10.0
|
10.1
|
7.1
|
Ebrill 2010
|
11.4
|
10.1
|
10.2
|
7.9
|
Mai 2010
|
11.0
|
9.0
|
9.4
|
7.0
|
Mehefin 2010
|
9.3
|
8.7
|
9.0
|
6.8
|
Gorffennaf 2010
|
9.3
|
7.4
|
7.5
|
6.1
|
Awst 2010
|
8.1
|
6.9
|
6.0
|
5.1
|
Medi 2010
|
7.2
|
5.2
|
5.0
|
3.2
|
Hydref 2010
|
5.0
|
3.2
|
2.9
|
2.4
|
Tachwedd 2010
|
3.7
|
2.3
|
0.6
|
1.6
|
Rhagfyr 2010
|
3.6
|
0.8
|
-0.4
|
0.8
|
Ionawr 2011
|
0.9
|
-0.4
|
-0.8
|
0.6
|
Chwefror 2011
|
0.4
|
-1.7
|
-1.7
|
0.3
|
Mawrth 2011
|
0.7
|
-1.6
|
-1.6
|
-1.0
|
Ebrill 2011
|
0.2
|
-1.8
|
-1.3
|
0.6
|
Mai 2011
|
-1.4
|
-1.9
|
-2.5
|
-0.6
|
Mehefin 2011
|
-1.7
|
-2.2
|
-3.0
|
-1.1
|
Gorffennaf 2011
|
-2.3
|
-2.4
|
-2.4
|
0.4
|
Awst 2011
|
-1.6
|
-2.4
|
-2.1
|
-1.2
|
Medi 2011
|
-1.8
|
-2.1
|
-2.3
|
-1.2
|
Hydref 2011
|
-1.1
|
-1.8
|
-2.3
|
-1.2
|
Tachwedd 2011
|
-1.0
|
-1.0
|
-0.9
|
0.9
|
Rhagfyr 2011
|
-0.8
|
-0.8
|
-1.2
|
0.3
|
Ionawr 2012
|
-1.0
|
0.3
|
-0.0
|
0.1
|
Chwefror 2012
|
-0.4
|
0.5
|
0.7
|
-0.4
|
Mawrth 2012
|
-1.8
|
1.6
|
1.9
|
0.8
|
Ebrill 2012
|
0.3
|
0.9
|
0.3
|
0.9
|
Mai 2012
|
0.9
|
1.1
|
1.6
|
2.0
|
Mehefin 2012
|
1.4
|
1.6
|
3.2
|
2.7
|
Gorffennaf 2012
|
1.3
|
1.4
|
1.8
|
1.2
|
Awst 2012
|
0.4
|
1.1
|
2.4
|
2.6
|
Medi 2012
|
0.4
|
1.3
|
2.2
|
2.6
|
Hydref 2012
|
0.2
|
1.2
|
2.6
|
3.8
|
Tachwedd 2012
|
0.8
|
1.6
|
3.3
|
1.9
|
Rhagfyr 2012
|
1.5
|
1.2
|
2.9
|
2.8
|
Ionawr 2013
|
0.7
|
1.3
|
1.7
|
2.6
|
Chwefror 2013
|
0.7
|
1.2
|
1.9
|
3.6
|
Mawrth 2013
|
3.2
|
1.4
|
1.6
|
3.1
|
Ebrill 2013
|
1.1
|
1.5
|
2.4
|
2.7
|
Mai 2013
|
1.3
|
1.7
|
2.4
|
2.9
|
Mehefin 2013
|
1.8
|
1.7
|
1.6
|
2.7
|
Gorffennaf 2013
|
1.6
|
2.1
|
2.7
|
4.0
|
Awst 2013
|
2.4
|
2.8
|
2.8
|
4.7
|
Medi 2013
|
3.3
|
3.0
|
3.3
|
5.6
|
Hydref 2013
|
4.0
|
3.4
|
3.3
|
5.3
|
Tachwedd 2013
|
3.4
|
3.9
|
3.8
|
6.7
|
Rhagfyr 2013
|
4.0
|
5.4
|
5.3
|
8.8
|
Ionawr 2014
|
5.6
|
5.1
|
6.4
|
9.8
|
Chwefror 2014
|
6.1
|
6.2
|
6.4
|
9.6
|
Mawrth 2014
|
4.7
|
6.2
|
6.6
|
10.0
|
Ebrill 2014
|
6.5
|
7.3
|
8.0
|
10.7
|
Mai 2014
|
7.0
|
7.7
|
8.6
|
12.0
|
Mehefin 2014
|
7.2
|
8.0
|
8.2
|
12.4
|
Gorffennaf 2014
|
7.5
|
8.2
|
8.9
|
11.9
|
Awst 2014
|
8.3
|
8.5
|
9.4
|
13.0
|
Medi 2014
|
7.6
|
8.8
|
9.4
|
12.6
|
Hydref 2014
|
7.8
|
8.9
|
10.0
|
12.7
|
Tachwedd 2014
|
8.0
|
8.0
|
8.6
|
11.3
|
Rhagfyr 2014
|
7.8
|
7.0
|
7.5
|
9.6
|
Ionawr 2015
|
6.9
|
7.3
|
7.5
|
9.7
|
Chwefror 2015
|
6.6
|
6.6
|
7.3
|
9.8
|
Mawrth 2015
|
7.3
|
6.4
|
6.2
|
8.7
|
Ebrill 2015
|
6.1
|
5.5
|
5.6
|
7.2
|
Mai 2015
|
6.3
|
6.0
|
5.6
|
7.2
|
Mehefin 2015
|
6.2
|
5.8
|
6.0
|
6.0
|
Gorffennaf 2015
|
6.2
|
6.2
|
5.8
|
7.2
|
Awst 2015
|
6.1
|
5.9
|
5.7
|
6.9
|
Medi 2015
|
6.9
|
5.9
|
5.6
|
6.9
|
Hydref 2015
|
6.6
|
6.5
|
6.5
|
6.7
|
Tachwedd 2015
|
7.7
|
7.4
|
7.6
|
8.6
|
Rhagfyr 2015
|
8.3
|
7.8
|
7.8
|
8.2
|
Ionawr 2016
|
8.2
|
8.8
|
8.4
|
9.3
|
Chwefror 2016
|
8.2
|
8.5
|
8.4
|
8.8
|
Mawrth 2016
|
9.4
|
8.5
|
9.5
|
11.0
|
Ebrill 2016
|
7.6
|
8.8
|
8.9
|
9.3
|
Mai 2016
|
7.5
|
8.2
|
9.1
|
10.2
|
Mehefin 2016
|
8.8
|
8.2
|
8.5
|
10.4
|
Gorffennaf 2016
|
7.6
|
7.8
|
8.3
|
8.9
|
Awst 2016
|
6.7
|
6.9
|
7.2
|
8.1
|
Medi 2016
|
6.1
|
7.0
|
6.6
|
7.2
|
Hydref 2016
|
6.1
|
6.0
|
5.2
|
7.8
|
Tachwedd 2016
|
6.3
|
5.5
|
4.8
|
6.8
|
Rhagfyr 2016
|
5.6
|
5.3
|
5.1
|
6.8
|
Ionawr 2017
|
5.9
|
4.5
|
4.5
|
5.9
|
Chwefror 2017
|
5.5
|
4.7
|
4.7
|
7.8
|
Mawrth 2017
|
4.2
|
4.5
|
3.4
|
4.4
|
Ebrill 2017
|
6.0
|
4.4
|
3.8
|
6.5
|
Mai 2017
|
5.4
|
4.7
|
3.2
|
5.4
|
Mehefin 2017
|
4.4
|
4.4
|
3.7
|
5.6
|
Gorffennaf 2017
|
5.0
|
4.5
|
3.5
|
5.8
|
Awst 2017
|
5.0
|
4.8
|
4.6
|
5.6
|
Medi 2017
|
5.3
|
4.7
|
4.5
|
5.0
|
Hydref 2017
|
5.6
|
5.6
|
5.3
|
4.4
|
Tachwedd 2017
|
3.8
|
4.8
|
4.6
|
3.8
|
Rhagfyr 2017
|
4.4
|
5.2
|
4.8
|
3.2
|
Ionawr 2018
|
4.1
|
4.8
|
4.0
|
3.3
|
Chwefror 2018
|
4.9
|
5.0
|
4.1
|
1.4
|
Mawrth 2018
|
4.0
|
4.6
|
4.4
|
1.3
|
Ebrill 2018
|
3.3
|
4.3
|
3.9
|
0.3
|
Mai 2018
|
4.1
|
3.6
|
3.7
|
-0.9
|
Mehefin 2018
|
3.4
|
4.0
|
2.8
|
-0.1
|
Gorffennaf 2018
|
4.1
|
3.7
|
3.2
|
-0.8
|
Awst 2018
|
3.7
|
3.6
|
2.6
|
-0.7
|
Medi 2018
|
3.4
|
3.8
|
2.8
|
-0.5
|
Hydref 2018
|
3.0
|
3.1
|
2.7
|
0.1
|
Tachwedd 2018
|
3.6
|
3.2
|
2.9
|
-0.7
|
Rhagfyr 2018
|
2.3
|
2.5
|
1.5
|
-0.1
|
Ionawr 2019
|
2.9
|
2.3
|
1.6
|
-1.5
|
Chwefror 2019
|
1.8
|
2.0
|
1.1
|
-1.4
|
Mawrth 2019
|
1.6
|
2.2
|
1.0
|
-1.1
|
Ebrill 2019
|
1.4
|
1.6
|
1.1
|
-0.8
|
Mai 2019
|
0.8
|
1.5
|
1.0
|
-1.6
|
Mehefin 2019
|
0.7
|
1.0
|
0.7
|
-1.5
|
Gorffennaf 2019
|
-0.1
|
0.7
|
0.5
|
-0.6
|
Awst 2019
|
0.6
|
0.8
|
0.9
|
-1.9
|
Medi 2019
|
0.1
|
0.6
|
1.2
|
0.1
|
Hydref 2019
|
0.2
|
1.5
|
0.8
|
-1.4
|
Tachwedd 2019
|
0.3
|
1.3
|
0.7
|
-1.5
|
Rhagfyr 2019
|
0.6
|
1.1
|
1.5
|
-0.9
|
Ionawr 2020
|
0.5
|
2.0
|
2.2
|
0.0
|
Chwefror 2020
|
0.5
|
1.6
|
2.0
|
-1.1
|
Mawrth 2020
|
2.4
|
2.6
|
3.1
|
1.8
|
Ebrill 2020
|
1.7
|
1.0
|
0.9
|
-1.4
|
Mai 2020
|
1.5
|
1.5
|
0.6
|
0.4
|
Mehefin 2020
|
1.8
|
2.6
|
2.9
|
0.0
|
Gorffennaf 2020
|
2.2
|
2.6
|
2.3
|
-0.1
|
Awst 2020
|
3.0
|
3.5
|
2.5
|
0.9
|
Medi 2020
|
4.4
|
4.3
|
3.6
|
0.4
|
Hydref 2020
|
5.5
|
4.3
|
5.3
|
1.2
|
Tachwedd 2020
|
6.3
|
5.8
|
6.9
|
3.8
|
Rhagfyr 2020
|
8.0
|
7.2
|
7.8
|
3.1
|
Ionawr 2021
|
5.6
|
7.1
|
8.3
|
5.5
|
Chwefror 2021
|
6.2
|
8.2
|
9.4
|
7.4
|
Mawrth 2021
|
6.3
|
8.3
|
10.2
|
7.6
|
Ebrill 2021
|
5.7
|
8.0
|
9.4
|
7.6
|
Mai 2021
|
6.3
|
7.5
|
9.6
|
5.9
|
Mehefin 2021
|
10.9
|
11.9
|
15.2
|
11.1
|
Gorffennaf 2021
|
3.9
|
5.2
|
5.5
|
4.4
|
Awst 2021
|
6.6
|
7.5
|
8.3
|
6.4
|
Medi 2021
|
8.0
|
10.5
|
12.2
|
8.3
|
Hydref 2021
|
6.6
|
6.2
|
5.7
|
5.0
|
Tachwedd 2021
|
7.4
|
7.9
|
7.0
|
6.1
|
Rhagfyr 2021
|
6.7
|
7.3
|
7.6
|
6.0
|
Dyddiad
|
Tai ar wahân
|
Tai pâr
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Mehefin 1998
|
0.8
|
0.4
|
-0.1
|
1.9
|
Gorffennaf 1998
|
2.1
|
1.3
|
1.3
|
-0.1
|
Awst 1998
|
0.7
|
0.2
|
0.3
|
0.6
|
Medi 1998
|
-0.2
|
-0.2
|
-0.3
|
-0.0
|
Hydref 1998
|
-0.2
|
-0.1
|
-0.7
|
0.5
|
Tachwedd 1998
|
-0.1
|
-0.1
|
-0.4
|
0.2
|
Rhagfyr 1998
|
-1.0
|
0.4
|
0.9
|
0.9
|
Ionawr 1999
|
1.4
|
0.1
|
-0.2
|
-0.1
|
Chwefror 1999
|
-0.7
|
-0.4
|
-0.4
|
0.2
|
Mawrth 1999
|
0.9
|
1.1
|
1.5
|
2.0
|
Ebrill 1999
|
1.4
|
1.9
|
2.9
|
1.0
|
Mai 1999
|
1.2
|
1.0
|
0.8
|
1.8
|
Mehefin 1999
|
1.9
|
1.3
|
1.4
|
1.5
|
Gorffennaf 1999
|
2.3
|
1.2
|
1.8
|
1.6
|
Awst 1999
|
1.3
|
1.4
|
1.5
|
2.2
|
Medi 1999
|
1.8
|
1.0
|
1.0
|
3.3
|
Hydref 1999
|
0.5
|
1.3
|
0.1
|
0.7
|
Tachwedd 1999
|
0.8
|
1.0
|
1.9
|
1.5
|
Rhagfyr 1999
|
0.5
|
0.8
|
1.2
|
2.6
|
Ionawr 2000
|
1.8
|
0.4
|
-0.6
|
-1.1
|
Chwefror 2000
|
-0.4
|
0.1
|
0.9
|
2.0
|
Mawrth 2000
|
1.6
|
2.2
|
2.0
|
1.2
|
Ebrill 2000
|
3.0
|
2.8
|
3.3
|
5.2
|
Mai 2000
|
1.2
|
1.3
|
0.5
|
0.4
|
Mehefin 2000
|
0.6
|
1.1
|
1.1
|
2.1
|
Gorffennaf 2000
|
3.8
|
1.5
|
0.9
|
0.1
|
Awst 2000
|
0.8
|
1.2
|
0.6
|
2.6
|
Medi 2000
|
0.4
|
-0.4
|
0.4
|
-0.2
|
Hydref 2000
|
-0.2
|
0.6
|
-0.9
|
-1.4
|
Tachwedd 2000
|
0.3
|
-0.5
|
0.2
|
2.1
|
Rhagfyr 2000
|
-0.7
|
1.1
|
1.3
|
1.4
|
Ionawr 2001
|
1.0
|
-0.1
|
0.4
|
-0.6
|
Chwefror 2001
|
-0.5
|
0.1
|
-0.2
|
-0.0
|
Mawrth 2001
|
0.8
|
1.1
|
1.2
|
1.7
|
Ebrill 2001
|
3.3
|
2.1
|
2.9
|
1.6
|
Mai 2001
|
0.3
|
1.7
|
1.5
|
2.6
|
Mehefin 2001
|
1.1
|
1.3
|
1.3
|
2.4
|
Gorffennaf 2001
|
3.2
|
1.7
|
1.4
|
-0.2
|
Awst 2001
|
1.9
|
1.6
|
2.1
|
3.1
|
Medi 2001
|
0.8
|
0.1
|
0.2
|
0.6
|
Hydref 2001
|
0.3
|
1.3
|
0.2
|
0.1
|
Tachwedd 2001
|
0.5
|
1.0
|
0.8
|
1.8
|
Rhagfyr 2001
|
0.3
|
0.9
|
0.7
|
2.5
|
Ionawr 2002
|
1.5
|
0.3
|
0.1
|
-1.2
|
Chwefror 2002
|
-0.2
|
-0.1
|
1.2
|
0.9
|
Mawrth 2002
|
1.6
|
3.0
|
2.3
|
2.5
|
Ebrill 2002
|
2.6
|
2.0
|
2.2
|
3.3
|
Mai 2002
|
2.4
|
3.5
|
3.4
|
2.4
|
Mehefin 2002
|
2.3
|
1.6
|
2.4
|
3.1
|
Gorffennaf 2002
|
4.3
|
3.3
|
2.8
|
1.1
|
Awst 2002
|
2.0
|
2.7
|
2.7
|
2.9
|
Medi 2002
|
1.3
|
1.2
|
0.5
|
1.0
|
Hydref 2002
|
1.9
|
2.1
|
1.5
|
1.2
|
Tachwedd 2002
|
2.5
|
1.9
|
2.6
|
2.8
|
Rhagfyr 2002
|
-0.2
|
1.9
|
1.2
|
1.4
|
Ionawr 2003
|
2.5
|
0.5
|
1.7
|
0.6
|
Chwefror 2003
|
-0.7
|
1.0
|
-0.1
|
0.2
|
Mawrth 2003
|
1.4
|
1.0
|
1.5
|
0.9
|
Ebrill 2003
|
2.1
|
3.1
|
2.4
|
1.6
|
Mai 2003
|
1.4
|
1.8
|
2.1
|
0.6
|
Mehefin 2003
|
0.5
|
0.5
|
0.8
|
1.8
|
Gorffennaf 2003
|
2.4
|
3.0
|
2.6
|
0.5
|
Awst 2003
|
1.1
|
1.2
|
1.5
|
0.7
|
Medi 2003
|
0.0
|
-0.1
|
0.1
|
-0.4
|
Hydref 2003
|
1.2
|
1.6
|
1.8
|
1.4
|
Tachwedd 2003
|
0.8
|
1.3
|
0.9
|
0.7
|
Rhagfyr 2003
|
-0.4
|
1.1
|
2.1
|
2.4
|
Ionawr 2004
|
2.2
|
0.4
|
0.1
|
-0.6
|
Chwefror 2004
|
-0.7
|
0.4
|
1.0
|
0.5
|
Mawrth 2004
|
1.2
|
1.2
|
2.1
|
1.9
|
Ebrill 2004
|
1.8
|
4.1
|
4.4
|
1.7
|
Mai 2004
|
1.2
|
1.6
|
2.4
|
2.5
|
Mehefin 2004
|
2.4
|
2.3
|
2.0
|
2.5
|
Gorffennaf 2004
|
2.3
|
2.8
|
2.5
|
0.0
|
Awst 2004
|
1.5
|
0.9
|
1.3
|
1.7
|
Medi 2004
|
0.7
|
0.2
|
0.3
|
0.1
|
Hydref 2004
|
-0.3
|
0.3
|
0.2
|
0.0
|
Tachwedd 2004
|
0.4
|
0.3
|
0.7
|
1.1
|
Rhagfyr 2004
|
-1.1
|
-0.4
|
0.4
|
-0.3
|
Ionawr 2005
|
0.1
|
-0.9
|
-1.1
|
-1.3
|
Chwefror 2005
|
-0.6
|
0.6
|
-0.2
|
0.1
|
Mawrth 2005
|
0.2
|
0.5
|
1.2
|
0.4
|
Ebrill 2005
|
0.2
|
1.3
|
1.4
|
0.9
|
Mai 2005
|
1.8
|
0.6
|
1.0
|
1.0
|
Mehefin 2005
|
-0.8
|
0.7
|
1.5
|
0.4
|
Gorffennaf 2005
|
1.9
|
1.5
|
0.6
|
0.2
|
Awst 2005
|
1.0
|
-0.3
|
0.6
|
0.7
|
Medi 2005
|
-0.7
|
-0.1
|
0.4
|
-0.6
|
Hydref 2005
|
-0.3
|
-0.1
|
-0.6
|
-0.1
|
Tachwedd 2005
|
0.3
|
0.3
|
0.5
|
0.5
|
Rhagfyr 2005
|
-1.0
|
-0.0
|
1.1
|
2.0
|
Ionawr 2006
|
1.0
|
-0.1
|
-0.7
|
-1.8
|
Chwefror 2006
|
-0.7
|
0.0
|
0.3
|
1.2
|
Mawrth 2006
|
1.1
|
0.8
|
0.7
|
-0.0
|
Ebrill 2006
|
1.2
|
2.0
|
2.3
|
1.5
|
Mai 2006
|
1.3
|
0.7
|
0.5
|
1.6
|
Mehefin 2006
|
0.1
|
0.8
|
1.5
|
0.8
|
Gorffennaf 2006
|
1.8
|
1.1
|
1.4
|
-0.1
|
Awst 2006
|
1.3
|
0.8
|
0.5
|
0.9
|
Medi 2006
|
0.3
|
0.4
|
0.2
|
0.6
|
Hydref 2006
|
0.2
|
0.2
|
0.4
|
0.7
|
Tachwedd 2006
|
0.6
|
0.7
|
0.5
|
-0.2
|
Rhagfyr 2006
|
-0.1
|
0.8
|
1.8
|
2.4
|
Ionawr 2007
|
0.9
|
-0.1
|
-0.6
|
-0.4
|
Chwefror 2007
|
-0.3
|
0.2
|
-0.1
|
1.6
|
Mawrth 2007
|
0.7
|
0.7
|
1.5
|
-0.4
|
Ebrill 2007
|
1.1
|
1.5
|
2.0
|
1.8
|
Mai 2007
|
0.8
|
0.9
|
0.7
|
2.3
|
Mehefin 2007
|
1.3
|
1.0
|
1.3
|
0.6
|
Gorffennaf 2007
|
2.2
|
1.2
|
1.1
|
1.1
|
Awst 2007
|
0.6
|
0.5
|
0.6
|
0.2
|
Medi 2007
|
0.3
|
-0.0
|
-0.2
|
1.0
|
Hydref 2007
|
0.1
|
-0.2
|
-0.1
|
0.2
|
Tachwedd 2007
|
0.2
|
0.2
|
-0.3
|
-0.4
|
Rhagfyr 2007
|
-1.1
|
-0.3
|
0.2
|
0.6
|
Ionawr 2008
|
-0.4
|
-1.6
|
-1.7
|
-1.3
|
Chwefror 2008
|
-1.1
|
-0.5
|
-0.9
|
-1.1
|
Mawrth 2008
|
-1.0
|
-0.4
|
-0.3
|
-1.4
|
Ebrill 2008
|
0.8
|
-0.2
|
0.5
|
0.0
|
Mai 2008
|
-0.4
|
0.8
|
0.2
|
0.6
|
Mehefin 2008
|
-1.3
|
-1.3
|
-1.0
|
-1.6
|
Gorffennaf 2008
|
-0.0
|
-0.9
|
-1.3
|
-0.7
|
Awst 2008
|
-2.2
|
-2.3
|
-2.4
|
-2.5
|
Medi 2008
|
-1.2
|
-2.9
|
-2.7
|
-2.3
|
Hydref 2008
|
-2.9
|
-1.8
|
-2.3
|
-2.1
|
Tachwedd 2008
|
-3.1
|
-2.4
|
-2.8
|
-3.3
|
Rhagfyr 2008
|
-1.7
|
-1.7
|
-0.6
|
-2.0
|
Ionawr 2009
|
-0.6
|
-2.4
|
-3.2
|
-0.6
|
Chwefror 2009
|
-2.4
|
-0.5
|
-0.8
|
-0.6
|
Mawrth 2009
|
-0.8
|
-1.5
|
-0.9
|
-0.8
|
Ebrill 2009
|
0.3
|
1.6
|
1.4
|
-0.4
|
Mai 2009
|
1.3
|
1.2
|
1.2
|
1.4
|
Mehefin 2009
|
1.5
|
0.9
|
1.4
|
0.6
|
Gorffennaf 2009
|
2.3
|
2.1
|
2.0
|
0.9
|
Awst 2009
|
1.3
|
1.3
|
1.1
|
0.9
|
Medi 2009
|
0.8
|
0.5
|
0.9
|
1.9
|
Hydref 2009
|
0.8
|
1.2
|
0.6
|
-0.4
|
Tachwedd 2009
|
0.7
|
-0.1
|
0.6
|
-0.0
|
Rhagfyr 2009
|
-1.0
|
1.3
|
1.5
|
1.0
|
Ionawr 2010
|
2.9
|
-0.3
|
-1.0
|
-0.5
|
Chwefror 2010
|
-0.1
|
0.9
|
0.6
|
0.4
|
Mawrth 2010
|
-0.3
|
-0.9
|
-0.6
|
1.2
|
Ebrill 2010
|
0.8
|
1.7
|
1.5
|
0.3
|
Mai 2010
|
1.0
|
0.2
|
0.5
|
0.5
|
Mehefin 2010
|
-0.1
|
0.6
|
1.0
|
0.4
|
Gorffennaf 2010
|
2.3
|
0.9
|
0.6
|
0.3
|
Awst 2010
|
0.2
|
0.8
|
-0.3
|
-0.1
|
Medi 2010
|
-0.1
|
-1.1
|
0.0
|
0.0
|
Hydref 2010
|
-1.2
|
-0.8
|
-1.5
|
-1.1
|
Tachwedd 2010
|
-0.5
|
-1.0
|
-1.6
|
-0.9
|
Rhagfyr 2010
|
-1.1
|
-0.2
|
0.5
|
0.2
|
Ionawr 2011
|
0.2
|
-1.4
|
-1.5
|
-0.7
|
Chwefror 2011
|
-0.6
|
-0.4
|
-0.4
|
0.1
|
Mawrth 2011
|
-0.1
|
-0.8
|
-0.5
|
-0.2
|
Ebrill 2011
|
0.4
|
1.5
|
1.9
|
1.9
|
Mai 2011
|
-0.7
|
0.1
|
-0.7
|
-0.7
|
Mehefin 2011
|
-0.4
|
0.2
|
0.4
|
-0.0
|
Gorffennaf 2011
|
1.7
|
0.8
|
1.2
|
1.9
|
Awst 2011
|
0.8
|
0.8
|
-0.0
|
-1.7
|
Medi 2011
|
-0.2
|
-0.8
|
-0.2
|
0.1
|
Hydref 2011
|
-0.5
|
-0.5
|
-1.5
|
-1.1
|
Tachwedd 2011
|
-0.5
|
-0.1
|
-0.2
|
1.2
|
Rhagfyr 2011
|
-0.9
|
-0.1
|
0.3
|
-0.4
|
Ionawr 2012
|
0.0
|
-0.4
|
-0.4
|
-0.9
|
Chwefror 2012
|
0.0
|
-0.2
|
0.4
|
-0.4
|
Mawrth 2012
|
-1.4
|
0.2
|
0.6
|
1.0
|
Ebrill 2012
|
2.5
|
0.8
|
0.3
|
2.0
|
Mai 2012
|
-0.2
|
0.4
|
0.5
|
0.4
|
Mehefin 2012
|
0.1
|
0.7
|
2.0
|
0.7
|
Gorffennaf 2012
|
1.6
|
0.6
|
-0.1
|
0.4
|
Awst 2012
|
-0.1
|
0.4
|
0.6
|
-0.4
|
Medi 2012
|
-0.2
|
-0.6
|
-0.4
|
0.2
|
Hydref 2012
|
-0.7
|
-0.5
|
-1.0
|
-0.1
|
Tachwedd 2012
|
0.2
|
0.3
|
0.4
|
-0.6
|
Rhagfyr 2012
|
-0.3
|
-0.5
|
-0.1
|
0.5
|
Ionawr 2013
|
-0.7
|
-0.3
|
-1.5
|
-1.0
|
Chwefror 2013
|
0.0
|
-0.2
|
0.6
|
0.6
|
Mawrth 2013
|
1.0
|
0.4
|
0.4
|
0.5
|
Ebrill 2013
|
0.4
|
0.8
|
1.1
|
1.6
|
Mai 2013
|
-0.1
|
0.6
|
0.5
|
0.6
|
Mehefin 2013
|
0.6
|
0.7
|
1.3
|
0.5
|
Gorffennaf 2013
|
1.5
|
1.0
|
0.9
|
1.7
|
Awst 2013
|
0.7
|
1.1
|
0.8
|
0.3
|
Medi 2013
|
0.7
|
-0.4
|
0.0
|
1.0
|
Hydref 2013
|
-0.0
|
-0.1
|
-1.0
|
-0.3
|
Tachwedd 2013
|
-0.4
|
0.7
|
0.9
|
0.8
|
Rhagfyr 2013
|
0.3
|
1.0
|
1.4
|
2.4
|
Ionawr 2014
|
0.8
|
-0.6
|
-0.5
|
-0.2
|
Chwefror 2014
|
0.5
|
0.8
|
0.6
|
0.4
|
Mawrth 2014
|
-0.3
|
0.4
|
0.5
|
0.9
|
Ebrill 2014
|
2.2
|
1.9
|
2.5
|
2.2
|
Mai 2014
|
0.4
|
0.9
|
1.0
|
1.7
|
Mehefin 2014
|
0.8
|
1.0
|
0.9
|
0.9
|
Gorffennaf 2014
|
1.8
|
1.1
|
1.6
|
1.2
|
Awst 2014
|
1.4
|
1.3
|
1.2
|
1.3
|
Medi 2014
|
0.1
|
-0.2
|
0.0
|
0.6
|
Hydref 2014
|
0.1
|
0.1
|
-0.5
|
-0.2
|
Tachwedd 2014
|
-0.2
|
-0.1
|
-0.4
|
-0.5
|
Rhagfyr 2014
|
0.1
|
0.0
|
0.4
|
0.9
|
Ionawr 2015
|
-0.1
|
-0.2
|
-0.5
|
-0.1
|
Chwefror 2015
|
0.2
|
0.1
|
0.4
|
0.4
|
Mawrth 2015
|
0.3
|
0.2
|
-0.5
|
-0.1
|
Ebrill 2015
|
1.0
|
1.1
|
1.9
|
0.8
|
Mai 2015
|
0.6
|
1.4
|
1.0
|
1.7
|
Mehefin 2015
|
0.8
|
0.8
|
1.3
|
-0.2
|
Gorffennaf 2015
|
1.8
|
1.6
|
1.4
|
2.4
|
Awst 2015
|
1.2
|
1.0
|
1.0
|
0.9
|
Medi 2015
|
0.9
|
-0.2
|
-0.1
|
0.6
|
Hydref 2015
|
-0.2
|
0.6
|
0.3
|
-0.4
|
Tachwedd 2015
|
0.8
|
0.8
|
0.7
|
1.2
|
Rhagfyr 2015
|
0.6
|
0.4
|
0.5
|
0.5
|
Ionawr 2016
|
-0.2
|
0.7
|
0.1
|
1.0
|
Chwefror 2016
|
0.3
|
-0.2
|
0.4
|
-0.1
|
Mawrth 2016
|
1.4
|
0.1
|
0.6
|
2.0
|
Ebrill 2016
|
-0.6
|
1.4
|
1.3
|
-0.7
|
Mai 2016
|
0.4
|
0.8
|
1.2
|
2.5
|
Mehefin 2016
|
2.0
|
0.8
|
0.7
|
-0.1
|
Gorffennaf 2016
|
0.6
|
1.2
|
1.3
|
1.1
|
Awst 2016
|
0.4
|
0.1
|
-0.1
|
0.1
|
Medi 2016
|
0.3
|
-0.1
|
-0.6
|
-0.2
|
Hydref 2016
|
-0.2
|
-0.4
|
-1.0
|
0.2
|
Tachwedd 2016
|
1.0
|
0.3
|
0.3
|
0.3
|
Rhagfyr 2016
|
-0.1
|
0.2
|
0.8
|
0.5
|
Ionawr 2017
|
0.1
|
-0.1
|
-0.5
|
0.1
|
Chwefror 2017
|
-0.1
|
-0.0
|
0.5
|
1.7
|
Mawrth 2017
|
0.2
|
-0.0
|
-0.6
|
-1.2
|
Ebrill 2017
|
1.2
|
1.4
|
1.7
|
1.3
|
Mai 2017
|
-0.2
|
1.1
|
0.6
|
1.5
|
Mehefin 2017
|
1.1
|
0.6
|
1.3
|
0.1
|
Gorffennaf 2017
|
1.2
|
1.3
|
1.0
|
1.2
|
Awst 2017
|
0.4
|
0.4
|
1.0
|
-0.0
|
Medi 2017
|
0.6
|
-0.2
|
-0.6
|
-0.8
|
Hydref 2017
|
0.1
|
0.4
|
-0.3
|
-0.4
|
Tachwedd 2017
|
-0.7
|
-0.3
|
-0.3
|
-0.2
|
Rhagfyr 2017
|
0.5
|
0.6
|
0.9
|
-0.0
|
Ionawr 2018
|
-0.2
|
-0.6
|
-1.2
|
0.1
|
Chwefror 2018
|
0.7
|
0.2
|
0.6
|
-0.1
|
Mawrth 2018
|
-0.8
|
-0.4
|
-0.3
|
-1.4
|
Ebrill 2018
|
0.6
|
1.1
|
1.1
|
0.4
|
Mai 2018
|
0.6
|
0.4
|
0.4
|
0.3
|
Mehefin 2018
|
0.4
|
0.9
|
0.4
|
0.8
|
Gorffennaf 2018
|
1.9
|
1.0
|
1.4
|
0.6
|
Awst 2018
|
0.1
|
0.4
|
0.5
|
0.0
|
Medi 2018
|
0.3
|
-0.0
|
-0.4
|
-0.5
|
Hydref 2018
|
-0.3
|
-0.2
|
-0.4
|
0.2
|
Tachwedd 2018
|
-0.1
|
-0.2
|
-0.1
|
-1.0
|
Rhagfyr 2018
|
-0.8
|
-0.1
|
-0.4
|
0.6
|
Ionawr 2019
|
0.4
|
-0.8
|
-1.2
|
-1.3
|
Chwefror 2019
|
-0.3
|
-0.2
|
0.2
|
-0.0
|
Mawrth 2019
|
-1.0
|
-0.2
|
-0.4
|
-1.0
|
Ebrill 2019
|
0.4
|
0.5
|
1.2
|
0.6
|
Mai 2019
|
-0.0
|
0.4
|
0.4
|
-0.5
|
Mehefin 2019
|
0.3
|
0.4
|
0.0
|
1.0
|
Gorffennaf 2019
|
1.0
|
0.7
|
1.2
|
1.5
|
Awst 2019
|
0.8
|
0.5
|
0.8
|
-1.3
|
Medi 2019
|
-0.2
|
-0.2
|
-0.0
|
1.5
|
Hydref 2019
|
-0.3
|
0.7
|
-0.8
|
-1.2
|
Tachwedd 2019
|
0.0
|
-0.4
|
-0.2
|
-1.2
|
Rhagfyr 2019
|
-0.5
|
-0.3
|
0.4
|
1.2
|
Ionawr 2020
|
0.3
|
0.2
|
-0.4
|
-0.4
|
Chwefror 2020
|
-0.3
|
-0.6
|
-0.0
|
-1.2
|
Mawrth 2020
|
0.9
|
0.8
|
0.6
|
1.9
|
Ebrill 2020
|
-0.3
|
-1.1
|
-0.9
|
-2.5
|
Mai 2020
|
-0.2
|
0.9
|
0.1
|
1.2
|
Mehefin 2020
|
0.5
|
1.4
|
2.3
|
0.7
|
Gorffennaf 2020
|
1.4
|
0.8
|
0.6
|
1.3
|
Awst 2020
|
1.6
|
1.3
|
1.0
|
-0.3
|
Medi 2020
|
1.1
|
0.5
|
1.0
|
1.1
|
Hydref 2020
|
0.8
|
0.7
|
0.8
|
-0.5
|
Tachwedd 2020
|
0.8
|
1.0
|
1.3
|
1.4
|
Rhagfyr 2020
|
1.0
|
1.0
|
1.2
|
0.5
|
Ionawr 2021
|
-1.9
|
0.1
|
0.0
|
2.0
|
Chwefror 2021
|
0.3
|
0.4
|
0.9
|
0.5
|
Mawrth 2021
|
0.9
|
0.9
|
1.4
|
2.1
|
Ebrill 2021
|
-0.8
|
-1.3
|
-1.7
|
-2.5
|
Mai 2021
|
0.3
|
0.4
|
0.3
|
-0.4
|
Mehefin 2021
|
4.9
|
5.6
|
7.5
|
5.6
|
Gorffennaf 2021
|
-5.0
|
-5.3
|
-7.9
|
-4.7
|
Awst 2021
|
4.3
|
3.6
|
3.8
|
1.5
|
Medi 2021
|
2.5
|
3.3
|
4.7
|
2.9
|
Hydref 2021
|
-0.5
|
-3.2
|
-5.1
|
-3.5
|
Tachwedd 2021
|
1.6
|
2.6
|
2.6
|
2.4
|
Rhagfyr 2021
|
0.4
|
0.5
|
1.8
|
0.5
|
Dyddiad
|
Tai ar wahân
|
Tai pâr
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Mehefin 1998
|
34.4
|
33.0
|
30.3
|
30.1
|
Gorffennaf 1998
|
35.2
|
33.4
|
30.7
|
30.0
|
Awst 1998
|
35.4
|
33.5
|
30.8
|
30.2
|
Medi 1998
|
35.4
|
33.5
|
30.7
|
30.2
|
Hydref 1998
|
35.3
|
33.4
|
30.5
|
30.4
|
Tachwedd 1998
|
35.3
|
33.4
|
30.4
|
30.4
|
Rhagfyr 1998
|
34.9
|
33.6
|
30.6
|
30.7
|
Ionawr 1999
|
35.4
|
33.6
|
30.6
|
30.7
|
Chwefror 1999
|
35.2
|
33.5
|
30.5
|
30.7
|
Mawrth 1999
|
35.5
|
33.8
|
30.9
|
31.4
|
Ebrill 1999
|
36.0
|
34.5
|
31.8
|
31.7
|
Mai 1999
|
36.4
|
34.8
|
32.1
|
32.2
|
Mehefin 1999
|
37.1
|
35.3
|
32.5
|
32.7
|
Gorffennaf 1999
|
37.9
|
35.7
|
33.1
|
33.2
|
Awst 1999
|
38.4
|
36.2
|
33.6
|
34.0
|
Medi 1999
|
39.1
|
36.6
|
33.9
|
35.1
|
Hydref 1999
|
39.3
|
37.0
|
34.0
|
35.3
|
Tachwedd 1999
|
39.6
|
37.4
|
34.6
|
35.9
|
Rhagfyr 1999
|
39.8
|
37.7
|
35.0
|
36.8
|
Ionawr 2000
|
40.5
|
37.9
|
34.8
|
36.4
|
Chwefror 2000
|
40.4
|
37.9
|
35.1
|
37.2
|
Mawrth 2000
|
41.0
|
38.7
|
35.8
|
37.6
|
Ebrill 2000
|
42.2
|
39.8
|
37.0
|
39.6
|
Mai 2000
|
42.7
|
40.4
|
37.2
|
39.7
|
Mehefin 2000
|
43.0
|
40.8
|
37.6
|
40.6
|
Gorffennaf 2000
|
44.6
|
41.4
|
38.0
|
40.6
|
Awst 2000
|
45.0
|
41.8
|
38.2
|
41.7
|
Medi 2000
|
45.2
|
41.7
|
38.4
|
41.6
|
Hydref 2000
|
45.1
|
42.0
|
38.0
|
41.0
|
Tachwedd 2000
|
45.3
|
41.8
|
38.1
|
41.9
|
Rhagfyr 2000
|
45.0
|
42.2
|
38.6
|
42.4
|
Ionawr 2001
|
45.4
|
42.2
|
38.7
|
42.2
|
Chwefror 2001
|
45.2
|
42.2
|
38.6
|
42.2
|
Mawrth 2001
|
45.6
|
42.6
|
39.1
|
42.9
|
Ebrill 2001
|
47.1
|
43.6
|
40.3
|
43.6
|
Mai 2001
|
47.2
|
44.3
|
40.9
|
44.8
|
Mehefin 2001
|
47.7
|
44.9
|
41.4
|
45.8
|
Gorffennaf 2001
|
49.2
|
45.6
|
42.0
|
45.7
|
Awst 2001
|
50.2
|
46.4
|
42.9
|
47.1
|
Medi 2001
|
50.6
|
46.4
|
43.0
|
47.4
|
Hydref 2001
|
50.7
|
47.0
|
43.0
|
47.4
|
Tachwedd 2001
|
51.0
|
47.5
|
43.4
|
48.3
|
Rhagfyr 2001
|
51.2
|
47.9
|
43.7
|
49.5
|
Ionawr 2002
|
51.9
|
48.0
|
43.8
|
48.9
|
Chwefror 2002
|
51.8
|
48.0
|
44.3
|
49.3
|
Mawrth 2002
|
52.6
|
49.4
|
45.3
|
50.6
|
Ebrill 2002
|
54.0
|
50.4
|
46.3
|
52.2
|
Mai 2002
|
55.3
|
52.2
|
47.9
|
53.5
|
Mehefin 2002
|
56.5
|
53.0
|
49.1
|
55.2
|
Gorffennaf 2002
|
58.9
|
54.7
|
50.4
|
55.8
|
Awst 2002
|
60.1
|
56.2
|
51.8
|
57.4
|
Medi 2002
|
60.9
|
56.9
|
52.0
|
58.0
|
Hydref 2002
|
62.1
|
58.1
|
52.8
|
58.8
|
Tachwedd 2002
|
63.6
|
59.2
|
54.2
|
60.4
|
Rhagfyr 2002
|
63.4
|
60.3
|
54.8
|
61.3
|
Ionawr 2003
|
65.0
|
60.6
|
55.8
|
61.7
|
Chwefror 2003
|
64.5
|
61.2
|
55.7
|
61.8
|
Mawrth 2003
|
65.4
|
61.8
|
56.6
|
62.3
|
Ebrill 2003
|
66.8
|
63.7
|
58.0
|
63.4
|
Mai 2003
|
67.8
|
64.9
|
59.2
|
63.8
|
Mehefin 2003
|
68.1
|
65.2
|
59.7
|
64.9
|
Gorffennaf 2003
|
69.7
|
67.1
|
61.2
|
65.2
|
Awst 2003
|
70.5
|
68.0
|
62.1
|
65.6
|
Medi 2003
|
70.6
|
67.9
|
62.2
|
65.4
|
Hydref 2003
|
71.4
|
69.0
|
63.3
|
66.3
|
Tachwedd 2003
|
72.0
|
69.9
|
63.8
|
66.8
|
Rhagfyr 2003
|
71.7
|
70.7
|
65.2
|
68.4
|
Ionawr 2004
|
73.3
|
70.9
|
65.2
|
68.0
|
Chwefror 2004
|
72.8
|
71.2
|
65.9
|
68.3
|
Mawrth 2004
|
73.7
|
72.1
|
67.3
|
69.6
|
Ebrill 2004
|
75.0
|
75.1
|
70.2
|
70.8
|
Mai 2004
|
75.9
|
76.3
|
71.9
|
72.5
|
Mehefin 2004
|
77.7
|
78.1
|
73.4
|
74.3
|
Gorffennaf 2004
|
79.5
|
80.3
|
75.2
|
74.3
|
Awst 2004
|
80.7
|
81.0
|
76.2
|
75.6
|
Medi 2004
|
81.2
|
81.1
|
76.4
|
75.7
|
Hydref 2004
|
81.0
|
81.4
|
76.5
|
75.7
|
Tachwedd 2004
|
81.4
|
81.6
|
77.0
|
76.6
|
Rhagfyr 2004
|
80.5
|
81.2
|
77.3
|
76.3
|
Ionawr 2005
|
80.6
|
80.5
|
76.5
|
75.4
|
Chwefror 2005
|
80.1
|
81.0
|
76.4
|
75.4
|
Mawrth 2005
|
80.2
|
81.4
|
77.3
|
75.8
|
Ebrill 2005
|
80.4
|
82.4
|
78.4
|
76.4
|
Mai 2005
|
81.9
|
82.9
|
79.2
|
77.2
|
Mehefin 2005
|
81.3
|
83.5
|
80.4
|
77.5
|
Gorffennaf 2005
|
82.8
|
84.8
|
81.0
|
77.7
|
Awst 2005
|
83.6
|
84.5
|
81.4
|
78.2
|
Medi 2005
|
83.0
|
84.4
|
81.7
|
77.7
|
Hydref 2005
|
82.8
|
84.2
|
81.2
|
77.6
|
Tachwedd 2005
|
83.0
|
84.5
|
81.6
|
78.0
|
Rhagfyr 2005
|
82.1
|
84.5
|
82.5
|
79.6
|
Ionawr 2006
|
83.0
|
84.5
|
82.0
|
78.1
|
Chwefror 2006
|
82.4
|
84.5
|
82.2
|
79.1
|
Mawrth 2006
|
83.3
|
85.2
|
82.8
|
79.0
|
Ebrill 2006
|
84.3
|
86.9
|
84.7
|
80.2
|
Mai 2006
|
85.4
|
87.6
|
85.1
|
81.5
|
Mehefin 2006
|
85.4
|
88.3
|
86.4
|
82.2
|
Gorffennaf 2006
|
87.0
|
89.2
|
87.6
|
82.1
|
Awst 2006
|
88.1
|
90.0
|
88.1
|
82.8
|
Medi 2006
|
88.4
|
90.3
|
88.3
|
83.4
|
Hydref 2006
|
88.5
|
90.5
|
88.6
|
84.0
|
Tachwedd 2006
|
89.0
|
91.1
|
89.1
|
83.8
|
Rhagfyr 2006
|
88.9
|
91.9
|
90.7
|
85.8
|
Ionawr 2007
|
89.8
|
91.8
|
90.2
|
85.5
|
Chwefror 2007
|
89.5
|
91.9
|
90.1
|
86.9
|
Mawrth 2007
|
90.1
|
92.6
|
91.5
|
86.6
|
Ebrill 2007
|
91.1
|
93.9
|
93.3
|
88.1
|
Mai 2007
|
91.8
|
94.8
|
94.0
|
90.1
|
Mehefin 2007
|
93.0
|
95.7
|
95.2
|
90.7
|
Gorffennaf 2007
|
95.1
|
96.9
|
96.3
|
91.6
|
Awst 2007
|
95.7
|
97.4
|
96.9
|
91.8
|
Medi 2007
|
96.0
|
97.4
|
96.7
|
92.7
|
Hydref 2007
|
96.0
|
97.1
|
96.6
|
92.9
|
Tachwedd 2007
|
96.2
|
97.4
|
96.3
|
92.5
|
Rhagfyr 2007
|
95.2
|
97.1
|
96.6
|
93.1
|
Ionawr 2008
|
94.8
|
95.6
|
94.9
|
91.9
|
Chwefror 2008
|
93.7
|
95.1
|
94.0
|
90.8
|
Mawrth 2008
|
92.8
|
94.7
|
93.7
|
89.5
|
Ebrill 2008
|
93.5
|
94.5
|
94.2
|
89.5
|
Mai 2008
|
93.2
|
95.2
|
94.3
|
90.1
|
Mehefin 2008
|
92.0
|
94.0
|
93.4
|
88.6
|
Gorffennaf 2008
|
92.0
|
93.2
|
92.2
|
88.0
|
Awst 2008
|
90.0
|
91.0
|
90.0
|
85.8
|
Medi 2008
|
88.9
|
88.4
|
87.6
|
83.9
|
Hydref 2008
|
86.3
|
86.8
|
85.6
|
82.1
|
Tachwedd 2008
|
83.6
|
84.7
|
83.2
|
79.3
|
Rhagfyr 2008
|
82.2
|
83.2
|
82.7
|
77.7
|
Ionawr 2009
|
81.7
|
81.3
|
80.1
|
77.2
|
Chwefror 2009
|
79.8
|
80.8
|
79.4
|
76.8
|
Mawrth 2009
|
79.2
|
79.6
|
78.8
|
76.2
|
Ebrill 2009
|
79.4
|
80.9
|
79.8
|
75.8
|
Mai 2009
|
80.4
|
81.9
|
80.8
|
76.9
|
Mehefin 2009
|
81.6
|
82.6
|
81.9
|
77.3
|
Gorffennaf 2009
|
83.5
|
84.4
|
83.6
|
78.1
|
Awst 2009
|
84.5
|
85.4
|
84.5
|
78.8
|
Medi 2009
|
85.2
|
85.8
|
85.3
|
80.2
|
Hydref 2009
|
85.9
|
86.9
|
85.8
|
79.9
|
Tachwedd 2009
|
86.5
|
86.8
|
86.3
|
79.9
|
Rhagfyr 2009
|
85.6
|
87.9
|
87.6
|
80.7
|
Ionawr 2010
|
88.1
|
87.6
|
86.7
|
80.3
|
Chwefror 2010
|
88.0
|
88.4
|
87.2
|
80.6
|
Mawrth 2010
|
87.7
|
87.6
|
86.7
|
81.5
|
Ebrill 2010
|
88.4
|
89.1
|
88.0
|
81.8
|
Mai 2010
|
89.2
|
89.3
|
88.4
|
82.2
|
Mehefin 2010
|
89.2
|
89.8
|
89.3
|
82.6
|
Gorffennaf 2010
|
91.2
|
90.6
|
89.8
|
82.9
|
Awst 2010
|
91.4
|
91.3
|
89.6
|
82.8
|
Medi 2010
|
91.3
|
90.4
|
89.6
|
82.8
|
Hydref 2010
|
90.2
|
89.6
|
88.2
|
81.9
|
Tachwedd 2010
|
89.7
|
88.8
|
86.9
|
81.2
|
Rhagfyr 2010
|
88.7
|
88.6
|
87.3
|
81.3
|
Ionawr 2011
|
88.9
|
87.3
|
86.0
|
80.8
|
Chwefror 2011
|
88.4
|
86.9
|
85.7
|
80.8
|
Mawrth 2011
|
88.3
|
86.2
|
85.2
|
80.7
|
Ebrill 2011
|
88.6
|
87.5
|
86.8
|
82.2
|
Mai 2011
|
88.0
|
87.6
|
86.2
|
81.7
|
Mehefin 2011
|
87.6
|
87.8
|
86.6
|
81.7
|
Gorffennaf 2011
|
89.1
|
88.5
|
87.7
|
83.2
|
Awst 2011
|
89.9
|
89.2
|
87.7
|
81.8
|
Medi 2011
|
89.7
|
88.4
|
87.5
|
81.8
|
Hydref 2011
|
89.2
|
88.0
|
86.2
|
80.9
|
Tachwedd 2011
|
88.8
|
87.9
|
86.0
|
81.9
|
Rhagfyr 2011
|
88.0
|
87.9
|
86.3
|
81.6
|
Ionawr 2012
|
88.0
|
87.6
|
86.0
|
80.9
|
Chwefror 2012
|
88.0
|
87.4
|
86.3
|
80.6
|
Mawrth 2012
|
86.7
|
87.6
|
86.9
|
81.4
|
Ebrill 2012
|
88.9
|
88.3
|
87.1
|
83.0
|
Mai 2012
|
88.7
|
88.6
|
87.6
|
83.3
|
Mehefin 2012
|
88.8
|
89.2
|
89.4
|
83.8
|
Gorffennaf 2012
|
90.3
|
89.7
|
89.3
|
84.2
|
Awst 2012
|
90.2
|
90.1
|
89.8
|
83.9
|
Medi 2012
|
90.0
|
89.6
|
89.4
|
84.0
|
Hydref 2012
|
89.4
|
89.1
|
88.5
|
84.0
|
Tachwedd 2012
|
89.5
|
89.3
|
88.9
|
83.5
|
Rhagfyr 2012
|
89.2
|
88.9
|
88.8
|
83.9
|
Ionawr 2013
|
88.6
|
88.7
|
87.4
|
83.0
|
Chwefror 2013
|
88.6
|
88.4
|
88.0
|
83.5
|
Mawrth 2013
|
89.5
|
88.8
|
88.3
|
83.9
|
Ebrill 2013
|
89.9
|
89.6
|
89.2
|
85.2
|
Mai 2013
|
89.9
|
90.1
|
89.7
|
85.7
|
Mehefin 2013
|
90.4
|
90.7
|
90.8
|
86.1
|
Gorffennaf 2013
|
91.7
|
91.6
|
91.7
|
87.6
|
Awst 2013
|
92.4
|
92.6
|
92.4
|
87.8
|
Medi 2013
|
93.0
|
92.2
|
92.4
|
88.7
|
Hydref 2013
|
93.0
|
92.1
|
91.4
|
88.4
|
Tachwedd 2013
|
92.6
|
92.8
|
92.2
|
89.1
|
Rhagfyr 2013
|
92.8
|
93.7
|
93.5
|
91.3
|
Ionawr 2014
|
93.6
|
93.2
|
93.0
|
91.2
|
Chwefror 2014
|
94.0
|
93.9
|
93.6
|
91.5
|
Mawrth 2014
|
93.7
|
94.3
|
94.1
|
92.3
|
Ebrill 2014
|
95.8
|
96.1
|
96.4
|
94.4
|
Mai 2014
|
96.2
|
97.0
|
97.4
|
95.9
|
Mehefin 2014
|
96.9
|
98.0
|
98.3
|
96.8
|
Gorffennaf 2014
|
98.6
|
99.2
|
99.8
|
98.0
|
Awst 2014
|
100.0
|
100.4
|
101.0
|
99.2
|
Medi 2014
|
100.1
|
100.3
|
101.1
|
99.9
|
Hydref 2014
|
100.2
|
100.3
|
100.5
|
99.7
|
Tachwedd 2014
|
100.0
|
100.2
|
100.2
|
99.2
|
Rhagfyr 2014
|
100.1
|
100.2
|
100.5
|
100.1
|
Ionawr 2015
|
100.0
|
100.0
|
100.0
|
100.0
|
Chwefror 2015
|
100.2
|
100.1
|
100.4
|
100.4
|
Mawrth 2015
|
100.6
|
100.3
|
99.9
|
100.3
|
Ebrill 2015
|
101.6
|
101.4
|
101.8
|
101.1
|
Mai 2015
|
102.2
|
102.8
|
102.8
|
102.8
|
Mehefin 2015
|
103.0
|
103.7
|
104.2
|
102.6
|
Gorffennaf 2015
|
104.8
|
105.3
|
105.7
|
105.1
|
Awst 2015
|
106.1
|
106.4
|
106.8
|
106.1
|
Medi 2015
|
107.0
|
106.2
|
106.7
|
106.7
|
Hydref 2015
|
106.9
|
106.8
|
107.1
|
106.4
|
Tachwedd 2015
|
107.7
|
107.7
|
107.8
|
107.7
|
Rhagfyr 2015
|
108.4
|
108.1
|
108.3
|
108.2
|
Ionawr 2016
|
108.2
|
108.8
|
108.4
|
109.3
|
Chwefror 2016
|
108.4
|
108.6
|
108.8
|
109.2
|
Mawrth 2016
|
110.0
|
108.8
|
109.4
|
111.4
|
Ebrill 2016
|
109.4
|
110.4
|
110.8
|
110.6
|
Mai 2016
|
109.8
|
111.3
|
112.2
|
113.3
|
Mehefin 2016
|
112.0
|
112.2
|
113.0
|
113.2
|
Gorffennaf 2016
|
112.7
|
113.6
|
114.5
|
114.5
|
Awst 2016
|
113.2
|
113.7
|
114.4
|
114.6
|
Medi 2016
|
113.5
|
113.7
|
113.7
|
114.4
|
Hydref 2016
|
113.4
|
113.2
|
112.6
|
114.7
|
Tachwedd 2016
|
114.5
|
113.6
|
113.0
|
115.0
|
Rhagfyr 2016
|
114.4
|
113.9
|
113.9
|
115.6
|
Ionawr 2017
|
114.5
|
113.7
|
113.3
|
115.7
|
Chwefror 2017
|
114.4
|
113.7
|
113.9
|
117.6
|
Mawrth 2017
|
114.6
|
113.7
|
113.2
|
116.2
|
Ebrill 2017
|
116.0
|
115.3
|
115.1
|
117.8
|
Mai 2017
|
115.7
|
116.6
|
115.8
|
119.5
|
Mehefin 2017
|
117.0
|
117.2
|
117.2
|
119.6
|
Gorffennaf 2017
|
118.4
|
118.7
|
118.4
|
121.1
|
Awst 2017
|
118.9
|
119.2
|
119.6
|
121.1
|
Medi 2017
|
119.6
|
119.0
|
118.9
|
120.1
|
Hydref 2017
|
119.6
|
119.5
|
118.6
|
119.7
|
Tachwedd 2017
|
118.9
|
119.1
|
118.2
|
119.4
|
Rhagfyr 2017
|
119.5
|
119.8
|
119.3
|
119.4
|
Ionawr 2018
|
119.2
|
119.1
|
117.9
|
119.5
|
Chwefror 2018
|
120.1
|
119.4
|
118.6
|
119.3
|
Mawrth 2018
|
119.2
|
118.9
|
118.2
|
117.7
|
Ebrill 2018
|
119.8
|
120.2
|
119.6
|
118.1
|
Mai 2018
|
120.5
|
120.7
|
120.1
|
118.5
|
Mehefin 2018
|
121.0
|
121.8
|
120.5
|
119.5
|
Gorffennaf 2018
|
123.2
|
123.0
|
122.2
|
120.2
|
Awst 2018
|
123.3
|
123.5
|
122.8
|
120.2
|
Medi 2018
|
123.6
|
123.5
|
122.3
|
119.6
|
Hydref 2018
|
123.3
|
123.2
|
121.8
|
119.8
|
Tachwedd 2018
|
123.1
|
123.0
|
121.6
|
118.6
|
Rhagfyr 2018
|
122.2
|
122.8
|
121.1
|
119.2
|
Ionawr 2019
|
122.6
|
121.9
|
119.7
|
117.7
|
Chwefror 2019
|
122.2
|
121.7
|
119.9
|
117.6
|
Mawrth 2019
|
121.0
|
121.5
|
119.4
|
116.4
|
Ebrill 2019
|
121.5
|
122.1
|
120.8
|
117.1
|
Mai 2019
|
121.5
|
122.6
|
121.3
|
116.5
|
Mehefin 2019
|
121.8
|
123.0
|
121.4
|
117.7
|
Gorffennaf 2019
|
123.1
|
123.9
|
122.8
|
119.4
|
Awst 2019
|
124.0
|
124.5
|
123.8
|
117.9
|
Medi 2019
|
123.8
|
124.2
|
123.8
|
119.6
|
Hydref 2019
|
123.5
|
125.1
|
122.8
|
118.2
|
Tachwedd 2019
|
123.5
|
124.6
|
122.5
|
116.8
|
Rhagfyr 2019
|
122.9
|
124.2
|
122.9
|
118.2
|
Ionawr 2020
|
123.2
|
124.4
|
122.4
|
117.7
|
Chwefror 2020
|
122.9
|
123.7
|
122.3
|
116.3
|
Mawrth 2020
|
123.9
|
124.7
|
123.1
|
118.5
|
Ebrill 2020
|
123.6
|
123.4
|
122.0
|
115.5
|
Mai 2020
|
123.3
|
124.4
|
122.0
|
116.9
|
Mehefin 2020
|
124.0
|
126.2
|
124.9
|
117.7
|
Gorffennaf 2020
|
125.7
|
127.2
|
125.6
|
119.3
|
Awst 2020
|
127.8
|
128.9
|
126.9
|
118.9
|
Medi 2020
|
129.2
|
129.5
|
128.2
|
120.2
|
Hydref 2020
|
130.3
|
130.5
|
129.3
|
119.5
|
Tachwedd 2020
|
131.3
|
131.8
|
131.0
|
121.2
|
Rhagfyr 2020
|
132.7
|
133.1
|
132.5
|
121.8
|
Ionawr 2021
|
130.1
|
133.2
|
132.6
|
124.2
|
Chwefror 2021
|
130.5
|
133.8
|
133.8
|
124.8
|
Mawrth 2021
|
131.7
|
135.0
|
135.6
|
127.5
|
Ebrill 2021
|
130.7
|
133.2
|
133.4
|
124.4
|
Mai 2021
|
131.1
|
133.8
|
133.8
|
123.9
|
Mehefin 2021
|
137.5
|
141.2
|
143.8
|
130.8
|
Gorffennaf 2021
|
130.6
|
133.8
|
132.5
|
124.6
|
Awst 2021
|
136.1
|
138.5
|
137.5
|
126.5
|
Medi 2021
|
139.5
|
143.2
|
143.9
|
130.1
|
Hydref 2021
|
138.8
|
138.6
|
136.7
|
125.6
|
Tachwedd 2021
|
141.0
|
142.1
|
140.2
|
128.5
|
Rhagfyr 2021
|
141.5
|
142.8
|
142.7
|
129.2
|
Statws y prynwr
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol yn ôl y math o brynwr e.e. Prynwr am y Tro Cyntaf neu Gyn Berchen-Feddiannydd
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
|
Pryniannau arian parod
|
Pryniannau morgais
|
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
|
167017.0
|
177724.0
|
Chwefror 2012
|
167028.0
|
177706.0
|
Mawrth 2012
|
167076.0
|
177911.0
|
Ebrill 2012
|
169353.0
|
180102.0
|
Mai 2012
|
169731.0
|
180637.0
|
Mehefin 2012
|
171067.0
|
182475.0
|
Gorffennaf 2012
|
172210.0
|
183493.0
|
Awst 2012
|
172529.0
|
183893.0
|
Medi 2012
|
171845.0
|
183387.0
|
Hydref 2012
|
170863.0
|
182151.0
|
Tachwedd 2012
|
170944.0
|
182486.0
|
Rhagfyr 2012
|
170356.0
|
182399.0
|
Ionawr 2013
|
168834.0
|
180775.0
|
Chwefror 2013
|
169300.0
|
181120.0
|
Mawrth 2013
|
170317.0
|
182088.0
|
Ebrill 2013
|
171818.0
|
183908.0
|
Mai 2013
|
172509.0
|
184643.0
|
Mehefin 2013
|
173655.0
|
186279.0
|
Gorffennaf 2013
|
175966.0
|
188394.0
|
Awst 2013
|
177194.0
|
189834.0
|
Medi 2013
|
177523.0
|
190333.0
|
Hydref 2013
|
176657.0
|
189686.0
|
Tachwedd 2013
|
177596.0
|
190568.0
|
Rhagfyr 2013
|
179549.0
|
193024.0
|
Ionawr 2014
|
179163.0
|
192803.0
|
Chwefror 2014
|
180040.0
|
193991.0
|
Mawrth 2014
|
180677.0
|
194709.0
|
Ebrill 2014
|
184522.0
|
199111.0
|
Mai 2014
|
186087.0
|
201217.0
|
Mehefin 2014
|
187822.0
|
203017.0
|
Gorffennaf 2014
|
190274.0
|
206111.0
|
Awst 2014
|
192580.0
|
208833.0
|
Medi 2014
|
193283.0
|
208817.0
|
Hydref 2014
|
192655.0
|
208647.0
|
Tachwedd 2014
|
191992.0
|
208072.0
|
Rhagfyr 2014
|
192665.0
|
208696.0
|
Ionawr 2015
|
192177.0
|
208205.0
|
Chwefror 2015
|
192690.0
|
208802.0
|
Mawrth 2015
|
192451.0
|
208829.0
|
Ebrill 2015
|
194779.0
|
211533.0
|
Mai 2015
|
196989.0
|
213921.0
|
Mehefin 2015
|
198259.0
|
215705.0
|
Gorffennaf 2015
|
201572.0
|
219519.0
|
Awst 2015
|
203681.0
|
221821.0
|
Medi 2015
|
204487.0
|
222303.0
|
Hydref 2015
|
204286.0
|
222906.0
|
Tachwedd 2015
|
206155.0
|
224703.0
|
Rhagfyr 2015
|
206829.0
|
225999.0
|
Ionawr 2016
|
207360.0
|
226906.0
|
Chwefror 2016
|
207609.0
|
227181.0
|
Mawrth 2016
|
210013.0
|
229021.0
|
Ebrill 2016
|
210098.0
|
230686.0
|
Mai 2016
|
212657.0
|
233283.0
|
Mehefin 2016
|
214763.0
|
235315.0
|
Gorffennaf 2016
|
216772.0
|
237977.0
|
Awst 2016
|
217372.0
|
238130.0
|
Medi 2016
|
217091.0
|
237778.0
|
Hydref 2016
|
216191.0
|
236874.0
|
Tachwedd 2016
|
217670.0
|
237786.0
|
Rhagfyr 2016
|
218220.0
|
238821.0
|
Ionawr 2017
|
217746.0
|
238569.0
|
Chwefror 2017
|
219465.0
|
239365.0
|
Mawrth 2017
|
218169.0
|
238608.0
|
Ebrill 2017
|
221382.0
|
241894.0
|
Mai 2017
|
223038.0
|
243627.0
|
Mehefin 2017
|
224762.0
|
245566.0
|
Gorffennaf 2017
|
227469.0
|
248430.0
|
Awst 2017
|
228463.0
|
249767.0
|
Medi 2017
|
227942.0
|
249146.0
|
Hydref 2017
|
228004.0
|
249059.0
|
Tachwedd 2017
|
227411.0
|
247981.0
|
Rhagfyr 2017
|
228419.0
|
249413.0
|
Ionawr 2018
|
227032.0
|
248131.0
|
Chwefror 2018
|
227772.0
|
249155.0
|
Mawrth 2018
|
226251.0
|
247573.0
|
Ebrill 2018
|
227825.0
|
249743.0
|
Mai 2018
|
229076.0
|
250689.0
|
Mehefin 2018
|
230486.0
|
252259.0
|
Gorffennaf 2018
|
233468.0
|
255295.0
|
Awst 2018
|
234239.0
|
255867.0
|
Medi 2018
|
234042.0
|
255406.0
|
Hydref 2018
|
233307.0
|
255040.0
|
Tachwedd 2018
|
232727.0
|
254101.0
|
Rhagfyr 2018
|
232213.0
|
253519.0
|
Ionawr 2019
|
230402.0
|
251817.0
|
Chwefror 2019
|
230059.0
|
251660.0
|
Mawrth 2019
|
228374.0
|
250321.0
|
Ebrill 2019
|
230115.0
|
251978.0
|
Mai 2019
|
230511.0
|
252186.0
|
Mehefin 2019
|
231479.0
|
253084.0
|
Gorffennaf 2019
|
233432.0
|
256017.0
|
Awst 2019
|
234501.0
|
256629.0
|
Medi 2019
|
235091.0
|
256967.0
|
Hydref 2019
|
234142.0
|
256238.0
|
Tachwedd 2019
|
233303.0
|
255200.0
|
Rhagfyr 2019
|
233456.0
|
255465.0
|
Ionawr 2020
|
232621.0
|
255554.0
|
Chwefror 2020
|
231796.0
|
254249.0
|
Mawrth 2020
|
234095.0
|
256678.0
|
Ebrill 2020
|
230701.0
|
254261.0
|
Mai 2020
|
231933.0
|
255275.0
|
Mehefin 2020
|
235404.0
|
258434.0
|
Gorffennaf 2020
|
237660.0
|
261031.0
|
Awst 2020
|
239784.0
|
263808.0
|
Medi 2020
|
242452.0
|
266041.0
|
Hydref 2020
|
244274.0
|
267324.0
|
Tachwedd 2020
|
246899.0
|
270236.0
|
Rhagfyr 2020
|
249533.0
|
272782.0
|
Ionawr 2021
|
249413.0
|
272412.0
|
Chwefror 2021
|
251109.0
|
273851.0
|
Mawrth 2021
|
254254.0
|
277207.0
|
Ebrill 2021
|
250103.0
|
273346.0
|
Mai 2021
|
250628.0
|
273880.0
|
Mehefin 2021
|
267155.0
|
289521.0
|
Gorffennaf 2021
|
249947.0
|
273173.0
|
Awst 2021
|
258795.0
|
282517.0
|
Medi 2021
|
268672.0
|
291756.0
|
Hydref 2021
|
259390.0
|
283105.0
|
Tachwedd 2021
|
265605.0
|
289431.0
|
Rhagfyr 2021
|
268165.0
|
291585.0
|
Newid canrannol (blynyddol)
yn ôl
statws cyllido
yn
Lloegr
cuddio
Dyddiad
|
Pryniannau arian parod
|
Pryniannau morgais
|
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
|
1.1
|
1.7
|
Chwefror 2013
|
1.4
|
1.9
|
Mawrth 2013
|
1.9
|
2.4
|
Ebrill 2013
|
1.5
|
2.1
|
Mai 2013
|
1.6
|
2.2
|
Mehefin 2013
|
1.5
|
2.1
|
Gorffennaf 2013
|
2.2
|
2.7
|
Awst 2013
|
2.7
|
3.2
|
Medi 2013
|
3.3
|
3.8
|
Hydref 2013
|
3.4
|
4.1
|
Tachwedd 2013
|
3.9
|
4.4
|
Rhagfyr 2013
|
5.4
|
5.8
|
Ionawr 2014
|
6.1
|
6.6
|
Chwefror 2014
|
6.3
|
7.1
|
Mawrth 2014
|
6.1
|
6.9
|
Ebrill 2014
|
7.4
|
8.3
|
Mai 2014
|
7.9
|
9.0
|
Mehefin 2014
|
8.2
|
9.0
|
Gorffennaf 2014
|
8.1
|
9.4
|
Awst 2014
|
8.7
|
10.0
|
Medi 2014
|
8.9
|
9.7
|
Hydref 2014
|
9.1
|
10.0
|
Tachwedd 2014
|
8.1
|
9.2
|
Rhagfyr 2014
|
7.3
|
8.1
|
Ionawr 2015
|
7.3
|
8.0
|
Chwefror 2015
|
7.0
|
7.6
|
Mawrth 2015
|
6.5
|
7.2
|
Ebrill 2015
|
5.6
|
6.2
|
Mai 2015
|
5.9
|
6.3
|
Mehefin 2015
|
5.6
|
6.2
|
Gorffennaf 2015
|
5.9
|
6.5
|
Awst 2015
|
5.8
|
6.2
|
Medi 2015
|
5.8
|
6.5
|
Hydref 2015
|
6.0
|
6.8
|
Tachwedd 2015
|
7.4
|
8.0
|
Rhagfyr 2015
|
7.4
|
8.3
|
Ionawr 2016
|
7.9
|
9.0
|
Chwefror 2016
|
7.7
|
8.8
|
Mawrth 2016
|
9.1
|
9.7
|
Ebrill 2016
|
7.9
|
9.0
|
Mai 2016
|
8.0
|
9.0
|
Mehefin 2016
|
8.3
|
9.1
|
Gorffennaf 2016
|
7.5
|
8.4
|
Awst 2016
|
6.7
|
7.4
|
Medi 2016
|
6.2
|
7.0
|
Hydref 2016
|
5.8
|
6.3
|
Tachwedd 2016
|
5.6
|
5.8
|
Rhagfyr 2016
|
5.5
|
5.7
|
Ionawr 2017
|
5.0
|
5.1
|
Chwefror 2017
|
5.7
|
5.4
|
Mawrth 2017
|
3.9
|
4.2
|
Ebrill 2017
|
5.4
|
4.9
|
Mai 2017
|
4.9
|
4.4
|
Mehefin 2017
|
4.7
|
4.4
|
Gorffennaf 2017
|
4.9
|
4.4
|
Awst 2017
|
5.1
|
4.9
|
Medi 2017
|
5.0
|
4.8
|
Hydref 2017
|
5.5
|
5.1
|
Tachwedd 2017
|
4.5
|
4.3
|
Rhagfyr 2017
|
4.7
|
4.4
|
Ionawr 2018
|
4.3
|
4.0
|
Chwefror 2018
|
3.8
|
4.1
|
Mawrth 2018
|
3.7
|
3.8
|
Ebrill 2018
|
2.9
|
3.2
|
Mai 2018
|
2.7
|
2.9
|
Mehefin 2018
|
2.6
|
2.7
|
Gorffennaf 2018
|
2.6
|
2.8
|
Awst 2018
|
2.5
|
2.4
|
Medi 2018
|
2.7
|
2.5
|
Hydref 2018
|
2.3
|
2.4
|
Tachwedd 2018
|
2.3
|
2.5
|
Rhagfyr 2018
|
1.7
|
1.6
|
Ionawr 2019
|
1.5
|
1.5
|
Chwefror 2019
|
1.0
|
1.0
|
Mawrth 2019
|
0.9
|
1.1
|
Ebrill 2019
|
1.0
|
0.9
|
Mai 2019
|
0.6
|
0.6
|
Mehefin 2019
|
0.4
|
0.3
|
Gorffennaf 2019
|
-0.0
|
0.3
|
Awst 2019
|
0.1
|
0.3
|
Medi 2019
|
0.4
|
0.6
|
Hydref 2019
|
0.4
|
0.5
|
Tachwedd 2019
|
0.2
|
0.4
|
Rhagfyr 2019
|
0.5
|
0.8
|
Ionawr 2020
|
1.0
|
1.5
|
Chwefror 2020
|
0.8
|
1.0
|
Mawrth 2020
|
2.5
|
2.5
|
Ebrill 2020
|
0.2
|
0.9
|
Mai 2020
|
0.6
|
1.2
|
Mehefin 2020
|
1.7
|
2.1
|
Gorffennaf 2020
|
1.8
|
2.0
|
Awst 2020
|
2.2
|
2.8
|
Medi 2020
|
3.1
|
3.5
|
Hydref 2020
|
4.3
|
4.3
|
Tachwedd 2020
|
5.8
|
5.9
|
Rhagfyr 2020
|
6.9
|
6.8
|
Ionawr 2021
|
7.2
|
6.6
|
Chwefror 2021
|
8.3
|
7.7
|
Mawrth 2021
|
8.6
|
8.0
|
Ebrill 2021
|
8.4
|
7.5
|
Mai 2021
|
8.1
|
7.3
|
Mehefin 2021
|
13.5
|
12.0
|
Gorffennaf 2021
|
5.2
|
4.7
|
Awst 2021
|
7.9
|
7.1
|
Medi 2021
|
10.8
|
9.7
|
Hydref 2021
|
6.2
|
5.9
|
Tachwedd 2021
|
7.6
|
7.1
|
Rhagfyr 2021
|
7.5
|
6.9
|
Newid canrannol (misol)
yn ôl
statws cyllido
yn
Lloegr
cuddio
Dyddiad
|
Pryniannau arian parod
|
Pryniannau morgais
|
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
|
0.0
|
-0.0
|
Mawrth 2012
|
0.0
|
0.1
|
Ebrill 2012
|
1.4
|
1.2
|
Mai 2012
|
0.2
|
0.3
|
Mehefin 2012
|
0.8
|
1.0
|
Gorffennaf 2012
|
0.7
|
0.6
|
Awst 2012
|
0.2
|
0.2
|
Medi 2012
|
-0.4
|
-0.3
|
Hydref 2012
|
-0.6
|
-0.7
|
Tachwedd 2012
|
0.1
|
0.2
|
Rhagfyr 2012
|
-0.3
|
-0.1
|
Ionawr 2013
|
-0.9
|
-0.9
|
Chwefror 2013
|
0.3
|
0.2
|
Mawrth 2013
|
0.6
|
0.5
|
Ebrill 2013
|
0.9
|
1.0
|
Mai 2013
|
0.4
|
0.4
|
Mehefin 2013
|
0.7
|
0.9
|
Gorffennaf 2013
|
1.3
|
1.1
|
Awst 2013
|
0.7
|
0.8
|
Medi 2013
|
0.2
|
0.3
|
Hydref 2013
|
-0.5
|
-0.3
|
Tachwedd 2013
|
0.5
|
0.5
|
Rhagfyr 2013
|
1.1
|
1.3
|
Ionawr 2014
|
-0.2
|
-0.1
|
Chwefror 2014
|
0.5
|
0.6
|
Mawrth 2014
|
0.4
|
0.4
|
Ebrill 2014
|
2.1
|
2.3
|
Mai 2014
|
0.8
|
1.1
|
Mehefin 2014
|
0.9
|
0.9
|
Gorffennaf 2014
|
1.3
|
1.5
|
Awst 2014
|
1.2
|
1.3
|
Medi 2014
|
0.4
|
-0.0
|
Hydref 2014
|
-0.3
|
-0.1
|
Tachwedd 2014
|
-0.3
|
-0.3
|
Rhagfyr 2014
|
0.4
|
0.3
|
Ionawr 2015
|
-0.2
|
-0.2
|
Chwefror 2015
|
0.3
|
0.3
|
Mawrth 2015
|
-0.1
|
0.0
|
Ebrill 2015
|
1.2
|
1.3
|
Mai 2015
|
1.1
|
1.1
|
Mehefin 2015
|
0.6
|
0.8
|
Gorffennaf 2015
|
1.7
|
1.8
|
Awst 2015
|
1.0
|
1.0
|
Medi 2015
|
0.4
|
0.2
|
Hydref 2015
|
-0.1
|
0.3
|
Tachwedd 2015
|
0.9
|
0.8
|
Rhagfyr 2015
|
0.3
|
0.6
|
Ionawr 2016
|
0.3
|
0.4
|
Chwefror 2016
|
0.1
|
0.1
|
Mawrth 2016
|
1.2
|
0.8
|
Ebrill 2016
|
0.0
|
0.7
|
Mai 2016
|
1.2
|
1.1
|
Mehefin 2016
|
1.0
|
0.9
|
Gorffennaf 2016
|
0.9
|
1.1
|
Awst 2016
|
0.3
|
0.1
|
Medi 2016
|
-0.1
|
-0.2
|
Hydref 2016
|
-0.4
|
-0.4
|
Tachwedd 2016
|
0.7
|
0.4
|
Rhagfyr 2016
|
0.2
|
0.4
|
Ionawr 2017
|
-0.2
|
-0.1
|
Chwefror 2017
|
0.8
|
0.3
|
Mawrth 2017
|
-0.6
|
-0.3
|
Ebrill 2017
|
1.5
|
1.4
|
Mai 2017
|
0.8
|
0.7
|
Mehefin 2017
|
0.8
|
0.8
|
Gorffennaf 2017
|
1.2
|
1.2
|
Awst 2017
|
0.4
|
0.5
|
Medi 2017
|
-0.2
|
-0.2
|
Hydref 2017
|
0.0
|
-0.0
|
Tachwedd 2017
|
-0.3
|
-0.4
|
Rhagfyr 2017
|
0.4
|
0.6
|
Ionawr 2018
|
-0.6
|
-0.5
|
Chwefror 2018
|
0.3
|
0.4
|
Mawrth 2018
|
-0.7
|
-0.6
|
Ebrill 2018
|
0.7
|
0.9
|
Mai 2018
|
0.6
|
0.4
|
Mehefin 2018
|
0.6
|
0.6
|
Gorffennaf 2018
|
1.3
|
1.2
|
Awst 2018
|
0.3
|
0.2
|
Medi 2018
|
-0.1
|
-0.2
|
Hydref 2018
|
-0.3
|
-0.1
|
Tachwedd 2018
|
-0.2
|
-0.4
|
Rhagfyr 2018
|
-0.2
|
-0.2
|
Ionawr 2019
|
-0.8
|
-0.7
|
Chwefror 2019
|
-0.2
|
-0.1
|
Mawrth 2019
|
-0.7
|
-0.5
|
Ebrill 2019
|
0.8
|
0.7
|
Mai 2019
|
0.2
|
0.1
|
Mehefin 2019
|
0.4
|
0.4
|
Gorffennaf 2019
|
0.8
|
1.2
|
Awst 2019
|
0.5
|
0.2
|
Medi 2019
|
0.2
|
0.1
|
Hydref 2019
|
-0.4
|
-0.3
|
Tachwedd 2019
|
-0.4
|
-0.4
|
Rhagfyr 2019
|
0.1
|
0.1
|
Ionawr 2020
|
-0.4
|
0.0
|
Chwefror 2020
|
-0.4
|
-0.5
|
Mawrth 2020
|
1.0
|
1.0
|
Ebrill 2020
|
-1.4
|
-0.9
|
Mai 2020
|
0.5
|
0.4
|
Mehefin 2020
|
1.5
|
1.2
|
Gorffennaf 2020
|
1.0
|
1.0
|
Awst 2020
|
0.9
|
1.1
|
Medi 2020
|
1.1
|
0.8
|
Hydref 2020
|
0.8
|
0.5
|
Tachwedd 2020
|
1.1
|
1.1
|
Rhagfyr 2020
|
1.1
|
0.9
|
Ionawr 2021
|
0.0
|
-0.1
|
Chwefror 2021
|
0.7
|
0.5
|
Mawrth 2021
|
1.3
|
1.2
|
Ebrill 2021
|
-1.6
|
-1.4
|
Mai 2021
|
0.2
|
0.2
|
Mehefin 2021
|
6.6
|
5.7
|
Gorffennaf 2021
|
-6.4
|
-5.6
|
Awst 2021
|
3.5
|
3.4
|
Medi 2021
|
3.8
|
3.3
|
Hydref 2021
|
-3.5
|
-3.0
|
Tachwedd 2021
|
2.4
|
2.2
|
Rhagfyr 2021
|
1.0
|
0.7
|
Dyddiad
|
Pryniannau arian parod
|
Pryniannau morgais
|
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
|
86.9
|
85.4
|
Chwefror 2012
|
86.9
|
85.4
|
Mawrth 2012
|
86.9
|
85.4
|
Ebrill 2012
|
88.1
|
86.5
|
Mai 2012
|
88.3
|
86.8
|
Mehefin 2012
|
89.0
|
87.6
|
Gorffennaf 2012
|
89.6
|
88.1
|
Awst 2012
|
89.8
|
88.3
|
Medi 2012
|
89.4
|
88.1
|
Hydref 2012
|
88.9
|
87.5
|
Tachwedd 2012
|
89.0
|
87.6
|
Rhagfyr 2012
|
88.6
|
87.6
|
Ionawr 2013
|
87.8
|
86.8
|
Chwefror 2013
|
88.1
|
87.0
|
Mawrth 2013
|
88.6
|
87.5
|
Ebrill 2013
|
89.4
|
88.3
|
Mai 2013
|
89.8
|
88.7
|
Mehefin 2013
|
90.4
|
89.5
|
Gorffennaf 2013
|
91.6
|
90.5
|
Awst 2013
|
92.2
|
91.2
|
Medi 2013
|
92.4
|
91.4
|
Hydref 2013
|
91.9
|
91.1
|
Tachwedd 2013
|
92.4
|
91.5
|
Rhagfyr 2013
|
93.4
|
92.7
|
Ionawr 2014
|
93.2
|
92.6
|
Chwefror 2014
|
93.7
|
93.2
|
Mawrth 2014
|
94.0
|
93.5
|
Ebrill 2014
|
96.0
|
95.6
|
Mai 2014
|
96.8
|
96.6
|
Mehefin 2014
|
97.7
|
97.5
|
Gorffennaf 2014
|
99.0
|
99.0
|
Awst 2014
|
100.2
|
100.3
|
Medi 2014
|
100.6
|
100.3
|
Hydref 2014
|
100.2
|
100.2
|
Tachwedd 2014
|
99.9
|
99.9
|
Rhagfyr 2014
|
100.2
|
100.2
|
Ionawr 2015
|
100.0
|
100.0
|
Chwefror 2015
|
100.3
|
100.3
|
Mawrth 2015
|
100.1
|
100.3
|
Ebrill 2015
|
101.4
|
101.6
|
Mai 2015
|
102.5
|
102.8
|
Mehefin 2015
|
103.2
|
103.6
|
Gorffennaf 2015
|
104.9
|
105.4
|
Awst 2015
|
106.0
|
106.5
|
Medi 2015
|
106.4
|
106.8
|
Hydref 2015
|
106.3
|
107.1
|
Tachwedd 2015
|
107.3
|
107.9
|
Rhagfyr 2015
|
107.6
|
108.6
|
Ionawr 2016
|
107.9
|
109.0
|
Chwefror 2016
|
108.0
|
109.1
|
Mawrth 2016
|
109.3
|
110.0
|
Ebrill 2016
|
109.3
|
110.8
|
Mai 2016
|
110.7
|
112.0
|
Mehefin 2016
|
111.8
|
113.0
|
Gorffennaf 2016
|
112.8
|
114.3
|
Awst 2016
|
113.1
|
114.4
|
Medi 2016
|
113.0
|
114.2
|
Hydref 2016
|
112.5
|
113.8
|
Tachwedd 2016
|
113.3
|
114.2
|
Rhagfyr 2016
|
113.6
|
114.7
|
Ionawr 2017
|
113.3
|
114.6
|
Chwefror 2017
|
114.2
|
115.0
|
Mawrth 2017
|
113.5
|
114.6
|
Ebrill 2017
|
115.2
|
116.2
|
Mai 2017
|
116.1
|
117.0
|
Mehefin 2017
|
117.0
|
117.9
|
Gorffennaf 2017
|
118.4
|
119.3
|
Awst 2017
|
118.9
|
120.0
|
Medi 2017
|
118.6
|
119.7
|
Hydref 2017
|
118.6
|
119.6
|
Tachwedd 2017
|
118.3
|
119.1
|
Rhagfyr 2017
|
118.9
|
119.8
|
Ionawr 2018
|
118.1
|
119.2
|
Chwefror 2018
|
118.5
|
119.7
|
Mawrth 2018
|
117.7
|
118.9
|
Ebrill 2018
|
118.6
|
120.0
|
Mai 2018
|
119.2
|
120.4
|
Mehefin 2018
|
119.9
|
121.2
|
Gorffennaf 2018
|
121.5
|
122.6
|
Awst 2018
|
121.9
|
122.9
|
Medi 2018
|
121.8
|
122.7
|
Hydref 2018
|
121.4
|
122.5
|
Tachwedd 2018
|
121.1
|
122.0
|
Rhagfyr 2018
|
120.8
|
121.8
|
Ionawr 2019
|
119.9
|
121.0
|
Chwefror 2019
|
119.7
|
120.9
|
Mawrth 2019
|
118.8
|
120.2
|
Ebrill 2019
|
119.7
|
121.0
|
Mai 2019
|
120.0
|
121.1
|
Mehefin 2019
|
120.4
|
121.6
|
Gorffennaf 2019
|
121.5
|
123.0
|
Awst 2019
|
122.0
|
123.3
|
Medi 2019
|
122.3
|
123.4
|
Hydref 2019
|
121.8
|
123.1
|
Tachwedd 2019
|
121.4
|
122.6
|
Rhagfyr 2019
|
121.5
|
122.7
|
Ionawr 2020
|
121.0
|
122.7
|
Chwefror 2020
|
120.6
|
122.1
|
Mawrth 2020
|
121.8
|
123.3
|
Ebrill 2020
|
120.0
|
122.1
|
Mai 2020
|
120.7
|
122.6
|
Mehefin 2020
|
122.5
|
124.1
|
Gorffennaf 2020
|
123.7
|
125.4
|
Awst 2020
|
124.8
|
126.7
|
Medi 2020
|
126.2
|
127.8
|
Hydref 2020
|
127.1
|
128.4
|
Tachwedd 2020
|
128.5
|
129.8
|
Rhagfyr 2020
|
129.8
|
131.0
|
Ionawr 2021
|
129.8
|
130.8
|
Chwefror 2021
|
130.7
|
131.5
|
Mawrth 2021
|
132.3
|
133.1
|
Ebrill 2021
|
130.1
|
131.3
|
Mai 2021
|
130.4
|
131.5
|
Mehefin 2021
|
139.0
|
139.1
|
Gorffennaf 2021
|
130.1
|
131.2
|
Awst 2021
|
134.7
|
135.7
|
Medi 2021
|
139.8
|
140.1
|
Hydref 2021
|
135.0
|
136.0
|
Tachwedd 2021
|
138.2
|
139.0
|
Rhagfyr 2021
|
139.5
|
140.0
|
Statws yr eiddo
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol a nifer y gwerthiannau yn ôl cyllido yn ôl statws yr eiddo, e.e. Newydd/Presennol
Dyddiad
|
Eiddo presennol
|
Mehefin 1998
|
63641.0
|
Gorffennaf 1998
|
64500.0
|
Awst 1998
|
64722.0
|
Medi 1998
|
64692.0
|
Hydref 1998
|
64431.0
|
Tachwedd 1998
|
64282.0
|
Rhagfyr 1998
|
64440.0
|
Ionawr 1999
|
64592.0
|
Chwefror 1999
|
64409.0
|
Mawrth 1999
|
65266.0
|
Ebrill 1999
|
66620.0
|
Mai 1999
|
67257.0
|
Mehefin 1999
|
68317.0
|
Gorffennaf 1999
|
69527.0
|
Awst 1999
|
70642.0
|
Medi 1999
|
71766.0
|
Hydref 1999
|
72178.0
|
Tachwedd 1999
|
73185.0
|
Rhagfyr 1999
|
73858.0
|
Ionawr 2000
|
74118.0
|
Chwefror 2000
|
74429.0
|
Mawrth 2000
|
75850.0
|
Ebrill 2000
|
78496.0
|
Mai 2000
|
79176.0
|
Mehefin 2000
|
80146.0
|
Gorffennaf 2000
|
81399.0
|
Awst 2000
|
82217.0
|
Medi 2000
|
82376.0
|
Hydref 2000
|
81984.0
|
Tachwedd 2000
|
82158.0
|
Rhagfyr 2000
|
82797.0
|
Ionawr 2001
|
82826.0
|
Chwefror 2001
|
82648.0
|
Mawrth 2001
|
83767.0
|
Ebrill 2001
|
85899.0
|
Mai 2001
|
87339.0
|
Mehefin 2001
|
88441.0
|
Gorffennaf 2001
|
89954.0
|
Awst 2001
|
91744.0
|
Medi 2001
|
91982.0
|
Hydref 2001
|
92438.0
|
Tachwedd 2001
|
93424.0
|
Rhagfyr 2001
|
94173.0
|
Ionawr 2002
|
94394.0
|
Chwefror 2002
|
94670.0
|
Mawrth 2002
|
97115.0
|
Ebrill 2002
|
99437.0
|
Mai 2002
|
102648.0
|
Mehefin 2002
|
104885.0
|
Gorffennaf 2002
|
108201.0
|
Awst 2002
|
110939.0
|
Medi 2002
|
112138.0
|
Hydref 2002
|
113988.0
|
Tachwedd 2002
|
116827.0
|
Rhagfyr 2002
|
118075.0
|
Ionawr 2003
|
119832.0
|
Chwefror 2003
|
119778.0
|
Mawrth 2003
|
121215.0
|
Ebrill 2003
|
124218.0
|
Mai 2003
|
126322.0
|
Mehefin 2003
|
127202.0
|
Gorffennaf 2003
|
130216.0
|
Awst 2003
|
131865.0
|
Medi 2003
|
131876.0
|
Hydref 2003
|
133843.0
|
Tachwedd 2003
|
135104.0
|
Rhagfyr 2003
|
136914.0
|
Ionawr 2004
|
137477.0
|
Chwefror 2004
|
137877.0
|
Mawrth 2004
|
140256.0
|
Ebrill 2004
|
145317.0
|
Mai 2004
|
147869.0
|
Mehefin 2004
|
151067.0
|
Gorffennaf 2004
|
154884.0
|
Awst 2004
|
156724.0
|
Medi 2004
|
157040.0
|
Hydref 2004
|
157096.0
|
Tachwedd 2004
|
157919.0
|
Rhagfyr 2004
|
157261.0
|
Ionawr 2005
|
155817.0
|
Chwefror 2005
|
155635.0
|
Mawrth 2005
|
156645.0
|
Ebrill 2005
|
158191.0
|
Mai 2005
|
160051.0
|
Mehefin 2005
|
161137.0
|
Gorffennaf 2005
|
162883.0
|
Awst 2005
|
163471.0
|
Medi 2005
|
163269.0
|
Hydref 2005
|
162560.0
|
Tachwedd 2005
|
163144.0
|
Rhagfyr 2005
|
163979.0
|
Ionawr 2006
|
163515.0
|
Chwefror 2006
|
163517.0
|
Mawrth 2006
|
164821.0
|
Ebrill 2006
|
167919.0
|
Mai 2006
|
169495.0
|
Mehefin 2006
|
171170.0
|
Gorffennaf 2006
|
173276.0
|
Awst 2006
|
174904.0
|
Medi 2006
|
175353.0
|
Hydref 2006
|
176011.0
|
Tachwedd 2006
|
176995.0
|
Rhagfyr 2006
|
179056.0
|
Ionawr 2007
|
178909.0
|
Chwefror 2007
|
179436.0
|
Mawrth 2007
|
180940.0
|
Ebrill 2007
|
183946.0
|
Mai 2007
|
185703.0
|
Mehefin 2007
|
187946.0
|
Gorffennaf 2007
|
190311.0
|
Awst 2007
|
191696.0
|
Medi 2007
|
191960.0
|
Hydref 2007
|
191793.0
|
Tachwedd 2007
|
191682.0
|
Rhagfyr 2007
|
191383.0
|
Ionawr 2008
|
188766.0
|
Chwefror 2008
|
186611.0
|
Mawrth 2008
|
185471.0
|
Ebrill 2008
|
185892.0
|
Mai 2008
|
186634.0
|
Mehefin 2008
|
184350.0
|
Gorffennaf 2008
|
183071.0
|
Awst 2008
|
179130.0
|
Medi 2008
|
174634.0
|
Hydref 2008
|
170708.0
|
Tachwedd 2008
|
165678.0
|
Rhagfyr 2008
|
163633.0
|
Ionawr 2009
|
160096.0
|
Chwefror 2009
|
158338.0
|
Mawrth 2009
|
156629.0
|
Ebrill 2009
|
158143.0
|
Mai 2009
|
160373.0
|
Mehefin 2009
|
162279.0
|
Gorffennaf 2009
|
165513.0
|
Awst 2009
|
167641.0
|
Medi 2009
|
168962.0
|
Hydref 2009
|
170282.0
|
Tachwedd 2009
|
170812.0
|
Rhagfyr 2009
|
172145.0
|
Ionawr 2010
|
173239.0
|
Chwefror 2010
|
173357.0
|
Mawrth 2010
|
172771.0
|
Ebrill 2010
|
175077.0
|
Mai 2010
|
176088.0
|
Mehefin 2010
|
176968.0
|
Gorffennaf 2010
|
179168.0
|
Awst 2010
|
179180.0
|
Medi 2010
|
178373.0
|
Hydref 2010
|
176149.0
|
Tachwedd 2010
|
174504.0
|
Rhagfyr 2010
|
173877.0
|
Ionawr 2011
|
172272.0
|
Chwefror 2011
|
171666.0
|
Mawrth 2011
|
170686.0
|
Ebrill 2011
|
173227.0
|
Mai 2011
|
172269.0
|
Mehefin 2011
|
172740.0
|
Gorffennaf 2011
|
174906.0
|
Awst 2011
|
175369.0
|
Medi 2011
|
174833.0
|
Hydref 2011
|
173068.0
|
Tachwedd 2011
|
172951.0
|
Rhagfyr 2011
|
172656.0
|
Ionawr 2012
|
172158.0
|
Chwefror 2012
|
172155.0
|
Mawrth 2012
|
172117.0
|
Ebrill 2012
|
174427.0
|
Mai 2012
|
174944.0
|
Mehefin 2012
|
176736.0
|
Gorffennaf 2012
|
178182.0
|
Awst 2012
|
178437.0
|
Medi 2012
|
177708.0
|
Hydref 2012
|
176197.0
|
Tachwedd 2012
|
176356.0
|
Rhagfyr 2012
|
176029.0
|
Ionawr 2013
|
174960.0
|
Chwefror 2013
|
175223.0
|
Mawrth 2013
|
175799.0
|
Ebrill 2013
|
177567.0
|
Mai 2013
|
178415.0
|
Mehefin 2013
|
179937.0
|
Gorffennaf 2013
|
182248.0
|
Awst 2013
|
183635.0
|
Medi 2013
|
183739.0
|
Hydref 2013
|
183005.0
|
Tachwedd 2013
|
183886.0
|
Rhagfyr 2013
|
185884.0
|
Ionawr 2014
|
185886.0
|
Chwefror 2014
|
186714.0
|
Mawrth 2014
|
187432.0
|
Ebrill 2014
|
191595.0
|
Mai 2014
|
193334.0
|
Mehefin 2014
|
195335.0
|
Gorffennaf 2014
|
198390.0
|
Awst 2014
|
201098.0
|
Medi 2014
|
201329.0
|
Hydref 2014
|
200861.0
|
Tachwedd 2014
|
200417.0
|
Rhagfyr 2014
|
200646.0
|
Ionawr 2015
|
200045.0
|
Chwefror 2015
|
200505.0
|
Mawrth 2015
|
200409.0
|
Ebrill 2015
|
203087.0
|
Mai 2015
|
205496.0
|
Mehefin 2015
|
207374.0
|
Gorffennaf 2015
|
210783.0
|
Awst 2015
|
213151.0
|
Medi 2015
|
213706.0
|
Hydref 2015
|
213914.0
|
Tachwedd 2015
|
215777.0
|
Rhagfyr 2015
|
216419.0
|
Ionawr 2016
|
217428.0
|
Chwefror 2016
|
217967.0
|
Mawrth 2016
|
220268.0
|
Ebrill 2016
|
220330.0
|
Mai 2016
|
222590.0
|
Mehefin 2016
|
225201.0
|
Gorffennaf 2016
|
227693.0
|
Awst 2016
|
228077.0
|
Medi 2016
|
227659.0
|
Hydref 2016
|
226459.0
|
Tachwedd 2016
|
227589.0
|
Rhagfyr 2016
|
228462.0
|
Ionawr 2017
|
227789.0
|
Chwefror 2017
|
228999.0
|
Mawrth 2017
|
228057.0
|
Ebrill 2017
|
231418.0
|
Mai 2017
|
233091.0
|
Mehefin 2017
|
235110.0
|
Gorffennaf 2017
|
237798.0
|
Awst 2017
|
239141.0
|
Medi 2017
|
238402.0
|
Hydref 2017
|
238274.0
|
Tachwedd 2017
|
237627.0
|
Rhagfyr 2017
|
238778.0
|
Ionawr 2018
|
237129.0
|
Chwefror 2018
|
237093.0
|
Mawrth 2018
|
236678.0
|
Ebrill 2018
|
238401.0
|
Mai 2018
|
240038.0
|
Mehefin 2018
|
241519.0
|
Gorffennaf 2018
|
244412.0
|
Awst 2018
|
244857.0
|
Medi 2018
|
244823.0
|
Hydref 2018
|
243700.0
|
Tachwedd 2018
|
243995.0
|
Rhagfyr 2018
|
242858.0
|
Ionawr 2019
|
240887.0
|
Chwefror 2019
|
239857.0
|
Mawrth 2019
|
239044.0
|
Ebrill 2019
|
240628.0
|
Mai 2019
|
241300.0
|
Mehefin 2019
|
242640.0
|
Gorffennaf 2019
|
244143.0
|
Awst 2019
|
245710.0
|
Medi 2019
|
245735.0
|
Hydref 2019
|
244942.0
|
Tachwedd 2019
|
245184.0
|
Rhagfyr 2019
|
245273.0
|
Ionawr 2020
|
243356.0
|
Chwefror 2020
|
243573.0
|
Mawrth 2020
|
245216.0
|
Ebrill 2020
|
241590.0
|
Mai 2020
|
242868.0
|
Mehefin 2020
|
248071.0
|
Gorffennaf 2020
|
249449.0
|
Awst 2020
|
252133.0
|
Medi 2020
|
254778.0
|
Hydref 2020
|
256789.0
|
Tachwedd 2020
|
260123.0
|
Rhagfyr 2020
|
262558.0
|
Ionawr 2021
|
262759.0
|
Chwefror 2021
|
263883.0
|
Mawrth 2021
|
266870.0
|
Ebrill 2021
|
262559.0
|
Mai 2021
|
263670.0
|
Mehefin 2021
|
280590.0
|
Gorffennaf 2021
|
262018.0
|
Awst 2021
|
272931.0
|
Medi 2021
|
282466.0
|
Hydref 2021
|
273562.0
|
Tachwedd 2021
|
279311.0
|
Rhagfyr 2021
|
282696.0
|
Newid canrannol (blynyddol)
yn ôl
statws yr eiddo
yn
Lloegr
cuddio
Dyddiad
|
Eiddo presennol
|
Mehefin 1998
|
9.2
|
Gorffennaf 1998
|
8.8
|
Awst 1998
|
8.0
|
Medi 1998
|
7.6
|
Hydref 1998
|
7.0
|
Tachwedd 1998
|
6.0
|
Rhagfyr 1998
|
6.3
|
Ionawr 1999
|
6.1
|
Chwefror 1999
|
6.3
|
Mawrth 1999
|
6.6
|
Ebrill 1999
|
6.3
|
Mai 1999
|
6.2
|
Mehefin 1999
|
7.4
|
Gorffennaf 1999
|
7.8
|
Awst 1999
|
9.2
|
Medi 1999
|
10.9
|
Hydref 1999
|
12.0
|
Tachwedd 1999
|
13.8
|
Rhagfyr 1999
|
14.6
|
Ionawr 2000
|
14.8
|
Chwefror 2000
|
15.6
|
Mawrth 2000
|
16.2
|
Ebrill 2000
|
17.8
|
Mai 2000
|
17.7
|
Mehefin 2000
|
17.3
|
Gorffennaf 2000
|
17.1
|
Awst 2000
|
16.4
|
Medi 2000
|
14.8
|
Hydref 2000
|
13.6
|
Tachwedd 2000
|
12.3
|
Rhagfyr 2000
|
12.1
|
Ionawr 2001
|
11.8
|
Chwefror 2001
|
11.0
|
Mawrth 2001
|
10.4
|
Ebrill 2001
|
9.4
|
Mai 2001
|
10.3
|
Mehefin 2001
|
10.4
|
Gorffennaf 2001
|
10.5
|
Awst 2001
|
11.6
|
Medi 2001
|
11.7
|
Hydref 2001
|
12.8
|
Tachwedd 2001
|
13.7
|
Rhagfyr 2001
|
13.7
|
Ionawr 2002
|
14.0
|
Chwefror 2002
|
14.6
|
Mawrth 2002
|
15.9
|
Ebrill 2002
|
15.8
|
Mai 2002
|
17.5
|
Mehefin 2002
|
18.6
|
Gorffennaf 2002
|
20.3
|
Awst 2002
|
20.9
|
Medi 2002
|
21.9
|
Hydref 2002
|
23.3
|
Tachwedd 2002
|
25.0
|
Rhagfyr 2002
|
25.4
|
Ionawr 2003
|
27.0
|
Chwefror 2003
|
26.5
|
Mawrth 2003
|
24.8
|
Ebrill 2003
|
24.9
|
Mai 2003
|
23.1
|
Mehefin 2003
|
21.3
|
Gorffennaf 2003
|
20.4
|
Awst 2003
|
18.9
|
Medi 2003
|
17.6
|
Hydref 2003
|
17.4
|
Tachwedd 2003
|
15.6
|
Rhagfyr 2003
|
16.0
|
Ionawr 2004
|
14.7
|
Chwefror 2004
|
15.1
|
Mawrth 2004
|
15.7
|
Ebrill 2004
|
17.0
|
Mai 2004
|
17.1
|
Mehefin 2004
|
18.8
|
Gorffennaf 2004
|
18.9
|
Awst 2004
|
18.8
|
Medi 2004
|
19.1
|
Hydref 2004
|
17.4
|
Tachwedd 2004
|
16.9
|
Rhagfyr 2004
|
14.9
|
Ionawr 2005
|
13.3
|
Chwefror 2005
|
12.9
|
Mawrth 2005
|
11.7
|
Ebrill 2005
|
8.9
|
Mai 2005
|
8.2
|
Mehefin 2005
|
6.7
|
Gorffennaf 2005
|
5.2
|
Awst 2005
|
4.3
|
Medi 2005
|
4.0
|
Hydref 2005
|
3.5
|
Tachwedd 2005
|
3.3
|
Rhagfyr 2005
|
4.3
|
Ionawr 2006
|
4.9
|
Chwefror 2006
|
5.1
|
Mawrth 2006
|
5.2
|
Ebrill 2006
|
6.2
|
Mai 2006
|
5.9
|
Mehefin 2006
|
6.2
|
Gorffennaf 2006
|
6.4
|
Awst 2006
|
7.0
|
Medi 2006
|
7.4
|
Hydref 2006
|
8.3
|
Tachwedd 2006
|
8.5
|
Rhagfyr 2006
|
9.2
|
Ionawr 2007
|
9.4
|
Chwefror 2007
|
9.7
|
Mawrth 2007
|
9.8
|
Ebrill 2007
|
9.5
|
Mai 2007
|
9.6
|
Mehefin 2007
|
9.8
|
Gorffennaf 2007
|
9.8
|
Awst 2007
|
9.6
|
Medi 2007
|
9.5
|
Hydref 2007
|
9.0
|
Tachwedd 2007
|
8.3
|
Rhagfyr 2007
|
6.9
|
Ionawr 2008
|
5.5
|
Chwefror 2008
|
4.0
|
Mawrth 2008
|
2.5
|
Ebrill 2008
|
1.1
|
Mai 2008
|
0.5
|
Mehefin 2008
|
-1.9
|
Gorffennaf 2008
|
-3.8
|
Awst 2008
|
-6.6
|
Medi 2008
|
-9.0
|
Hydref 2008
|
-11.0
|
Tachwedd 2008
|
-13.6
|
Rhagfyr 2008
|
-14.5
|
Ionawr 2009
|
-15.2
|
Chwefror 2009
|
-15.2
|
Mawrth 2009
|
-15.6
|
Ebrill 2009
|
-14.9
|
Mai 2009
|
-14.1
|
Mehefin 2009
|
-12.0
|
Gorffennaf 2009
|
-9.6
|
Awst 2009
|
-6.4
|
Medi 2009
|
-3.2
|
Hydref 2009
|
-0.2
|
Tachwedd 2009
|
3.1
|
Rhagfyr 2009
|
5.2
|
Ionawr 2010
|
8.2
|
Chwefror 2010
|
9.5
|
Mawrth 2010
|
10.3
|
Ebrill 2010
|
10.7
|
Mai 2010
|
9.8
|
Mehefin 2010
|
9.0
|
Gorffennaf 2010
|
8.2
|
Awst 2010
|
6.9
|
Medi 2010
|
5.6
|
Hydref 2010
|
3.4
|
Tachwedd 2010
|
2.2
|
Rhagfyr 2010
|
1.0
|
Ionawr 2011
|
-0.6
|
Chwefror 2011
|
-1.0
|
Mawrth 2011
|
-1.2
|
Ebrill 2011
|
-1.1
|
Mai 2011
|
-2.2
|
Mehefin 2011
|
-2.4
|
Gorffennaf 2011
|
-2.4
|
Awst 2011
|
-2.1
|
Medi 2011
|
-2.0
|
Hydref 2011
|
-1.8
|
Tachwedd 2011
|
-0.9
|
Rhagfyr 2011
|
-0.7
|
Ionawr 2012
|
-0.1
|
Chwefror 2012
|
0.3
|
Mawrth 2012
|
0.8
|
Ebrill 2012
|
0.7
|
Mai 2012
|
1.6
|
Mehefin 2012
|
2.3
|
Gorffennaf 2012
|
1.9
|
Awst 2012
|
1.8
|
Medi 2012
|
1.6
|
Hydref 2012
|
1.8
|
Tachwedd 2012
|
2.0
|
Rhagfyr 2012
|
2.0
|
Ionawr 2013
|
1.6
|
Chwefror 2013
|
1.8
|
Mawrth 2013
|
2.1
|
Ebrill 2013
|
1.8
|
Mai 2013
|
2.0
|
Mehefin 2013
|
1.8
|
Gorffennaf 2013
|
2.3
|
Awst 2013
|
2.9
|
Medi 2013
|
3.4
|
Hydref 2013
|
3.9
|
Tachwedd 2013
|
4.3
|
Rhagfyr 2013
|
5.6
|
Ionawr 2014
|
6.2
|
Chwefror 2014
|
6.6
|
Mawrth 2014
|
6.6
|
Ebrill 2014
|
7.9
|
Mai 2014
|
8.4
|
Mehefin 2014
|
8.6
|
Gorffennaf 2014
|
8.9
|
Awst 2014
|
9.5
|
Medi 2014
|
9.6
|
Hydref 2014
|
9.8
|
Tachwedd 2014
|
9.0
|
Rhagfyr 2014
|
7.9
|
Ionawr 2015
|
7.6
|
Chwefror 2015
|
7.4
|
Mawrth 2015
|
6.9
|
Ebrill 2015
|
6.0
|
Mai 2015
|
6.3
|
Mehefin 2015
|
6.2
|
Gorffennaf 2015
|
6.2
|
Awst 2015
|
6.0
|
Medi 2015
|
6.2
|
Hydref 2015
|
6.5
|
Tachwedd 2015
|
7.7
|
Rhagfyr 2015
|
7.9
|
Ionawr 2016
|
8.7
|
Chwefror 2016
|
8.7
|
Mawrth 2016
|
9.9
|
Ebrill 2016
|
8.5
|
Mai 2016
|
8.3
|
Mehefin 2016
|
8.6
|
Gorffennaf 2016
|
8.0
|
Awst 2016
|
7.0
|
Medi 2016
|
6.5
|
Hydref 2016
|
5.9
|
Tachwedd 2016
|
5.5
|
Rhagfyr 2016
|
5.6
|
Ionawr 2017
|
4.8
|
Chwefror 2017
|
5.1
|
Mawrth 2017
|
3.5
|
Ebrill 2017
|
5.0
|
Mai 2017
|
4.7
|
Mehefin 2017
|
4.4
|
Gorffennaf 2017
|
4.4
|
Awst 2017
|
4.8
|
Medi 2017
|
4.7
|
Hydref 2017
|
5.2
|
Tachwedd 2017
|
4.4
|
Rhagfyr 2017
|
4.5
|
Ionawr 2018
|
4.1
|
Chwefror 2018
|
3.5
|
Mawrth 2018
|
3.8
|
Ebrill 2018
|
3.0
|
Mai 2018
|
3.0
|
Mehefin 2018
|
2.7
|
Gorffennaf 2018
|
2.8
|
Awst 2018
|
2.4
|
Medi 2018
|
2.7
|
Hydref 2018
|
2.3
|
Tachwedd 2018
|
2.7
|
Rhagfyr 2018
|
1.7
|
Ionawr 2019
|
1.6
|
Chwefror 2019
|
1.2
|
Mawrth 2019
|
1.0
|
Ebrill 2019
|
0.9
|
Mai 2019
|
0.5
|
Mehefin 2019
|
0.5
|
Gorffennaf 2019
|
-0.1
|
Awst 2019
|
0.4
|
Medi 2019
|
0.4
|
Hydref 2019
|
0.5
|
Tachwedd 2019
|
0.5
|
Rhagfyr 2019
|
1.0
|
Ionawr 2020
|
1.0
|
Chwefror 2020
|
1.6
|
Mawrth 2020
|
2.6
|
Ebrill 2020
|
0.4
|
Mai 2020
|
0.6
|
Mehefin 2020
|
2.2
|
Gorffennaf 2020
|
2.2
|
Awst 2020
|
2.6
|
Medi 2020
|
3.7
|
Hydref 2020
|
4.8
|
Tachwedd 2020
|
6.1
|
Rhagfyr 2020
|
7.0
|
Ionawr 2021
|
8.0
|
Chwefror 2021
|
8.3
|
Mawrth 2021
|
8.8
|
Ebrill 2021
|
8.7
|
Mai 2021
|
8.6
|
Mehefin 2021
|
13.1
|
Gorffennaf 2021
|
5.0
|
Awst 2021
|
8.2
|
Medi 2021
|
10.9
|
Hydref 2021
|
6.5
|
Tachwedd 2021
|
7.4
|
Rhagfyr 2021
|
7.7
|
Newid canrannol (misol)
yn ôl
statws yr eiddo
yn
Lloegr
cuddio
Dyddiad
|
Eiddo presennol
|
Mehefin 1998
|
0.5
|
Gorffennaf 1998
|
1.4
|
Awst 1998
|
0.3
|
Medi 1998
|
-0.1
|
Hydref 1998
|
-0.4
|
Tachwedd 1998
|
-0.2
|
Rhagfyr 1998
|
0.2
|
Ionawr 1999
|
0.2
|
Chwefror 1999
|
-0.3
|
Mawrth 1999
|
1.3
|
Ebrill 1999
|
2.1
|
Mai 1999
|
1.0
|
Mehefin 1999
|
1.6
|
Gorffennaf 1999
|
1.8
|
Awst 1999
|
1.6
|
Medi 1999
|
1.6
|
Hydref 1999
|
0.6
|
Tachwedd 1999
|
1.4
|
Rhagfyr 1999
|
0.9
|
Ionawr 2000
|
0.4
|
Chwefror 2000
|
0.4
|
Mawrth 2000
|
1.9
|
Ebrill 2000
|
3.5
|
Mai 2000
|
0.9
|
Mehefin 2000
|
1.2
|
Gorffennaf 2000
|
1.6
|
Awst 2000
|
1.0
|
Medi 2000
|
0.2
|
Hydref 2000
|
-0.5
|
Tachwedd 2000
|
0.2
|
Rhagfyr 2000
|
0.8
|
Ionawr 2001
|
0.0
|
Chwefror 2001
|
-0.2
|
Mawrth 2001
|
1.4
|
Ebrill 2001
|
2.5
|
Mai 2001
|
1.7
|
Mehefin 2001
|
1.3
|
Gorffennaf 2001
|
1.7
|
Awst 2001
|
2.0
|
Medi 2001
|
0.3
|
Hydref 2001
|
0.5
|
Tachwedd 2001
|
1.1
|
Rhagfyr 2001
|
0.8
|
Ionawr 2002
|
0.2
|
Chwefror 2002
|
0.3
|
Mawrth 2002
|
2.6
|
Ebrill 2002
|
2.4
|
Mai 2002
|
3.2
|
Mehefin 2002
|
2.2
|
Gorffennaf 2002
|
3.2
|
Awst 2002
|
2.5
|
Medi 2002
|
1.1
|
Hydref 2002
|
1.6
|
Tachwedd 2002
|
2.5
|
Rhagfyr 2002
|
1.1
|
Ionawr 2003
|
1.5
|
Chwefror 2003
|
-0.1
|
Mawrth 2003
|
1.2
|
Ebrill 2003
|
2.5
|
Mai 2003
|
1.7
|
Mehefin 2003
|
0.7
|
Gorffennaf 2003
|
2.4
|
Awst 2003
|
1.3
|
Medi 2003
|
0.0
|
Hydref 2003
|
1.5
|
Tachwedd 2003
|
0.9
|
Rhagfyr 2003
|
1.3
|
Ionawr 2004
|
0.4
|
Chwefror 2004
|
0.3
|
Mawrth 2004
|
1.7
|
Ebrill 2004
|
3.6
|
Mai 2004
|
1.8
|
Mehefin 2004
|
2.2
|
Gorffennaf 2004
|
2.5
|
Awst 2004
|
1.2
|
Medi 2004
|
0.2
|
Hydref 2004
|
0.0
|
Tachwedd 2004
|
0.5
|
Rhagfyr 2004
|
-0.4
|
Ionawr 2005
|
-0.9
|
Chwefror 2005
|
-0.1
|
Mawrth 2005
|
0.6
|
Ebrill 2005
|
1.0
|
Mai 2005
|
1.2
|
Mehefin 2005
|
0.7
|
Gorffennaf 2005
|
1.1
|
Awst 2005
|
0.4
|
Medi 2005
|
-0.1
|
Hydref 2005
|
-0.4
|
Tachwedd 2005
|
0.4
|
Rhagfyr 2005
|
0.5
|
Ionawr 2006
|
-0.3
|
Chwefror 2006
|
0.0
|
Mawrth 2006
|
0.8
|
Ebrill 2006
|
1.9
|
Mai 2006
|
0.9
|
Mehefin 2006
|
1.0
|
Gorffennaf 2006
|
1.2
|
Awst 2006
|
0.9
|
Medi 2006
|
0.3
|
Hydref 2006
|
0.4
|
Tachwedd 2006
|
0.6
|
Rhagfyr 2006
|
1.2
|
Ionawr 2007
|
-0.1
|
Chwefror 2007
|
0.3
|
Mawrth 2007
|
0.8
|
Ebrill 2007
|
1.7
|
Mai 2007
|
1.0
|
Mehefin 2007
|
1.2
|
Gorffennaf 2007
|
1.3
|
Awst 2007
|
0.7
|
Medi 2007
|
0.1
|
Hydref 2007
|
-0.1
|
Tachwedd 2007
|
-0.1
|
Rhagfyr 2007
|
-0.2
|
Ionawr 2008
|
-1.4
|
Chwefror 2008
|
-1.1
|
Mawrth 2008
|
-0.6
|
Ebrill 2008
|
0.2
|
Mai 2008
|
0.4
|
Mehefin 2008
|
-1.2
|
Gorffennaf 2008
|
-0.7
|
Awst 2008
|
-2.2
|
Medi 2008
|
-2.5
|
Hydref 2008
|
-2.2
|
Tachwedd 2008
|
-3.0
|
Rhagfyr 2008
|
-1.2
|
Ionawr 2009
|
-2.2
|
Chwefror 2009
|
-1.1
|
Mawrth 2009
|
-1.1
|
Ebrill 2009
|
1.0
|
Mai 2009
|
1.4
|
Mehefin 2009
|
1.2
|
Gorffennaf 2009
|
2.0
|
Awst 2009
|
1.3
|
Medi 2009
|
0.8
|
Hydref 2009
|
0.8
|
Tachwedd 2009
|
0.3
|
Rhagfyr 2009
|
0.8
|
Ionawr 2010
|
0.6
|
Chwefror 2010
|
0.1
|
Mawrth 2010
|
-0.3
|
Ebrill 2010
|
1.3
|
Mai 2010
|
0.6
|
Mehefin 2010
|
0.5
|
Gorffennaf 2010
|
1.2
|
Awst 2010
|
0.0
|
Medi 2010
|
-0.4
|
Hydref 2010
|
-1.2
|
Tachwedd 2010
|
-0.9
|
Rhagfyr 2010
|
-0.4
|
Ionawr 2011
|
-0.9
|
Chwefror 2011
|
-0.4
|
Mawrth 2011
|
-0.6
|
Ebrill 2011
|
1.5
|
Mai 2011
|
-0.6
|
Mehefin 2011
|
0.3
|
Gorffennaf 2011
|
1.2
|
Awst 2011
|
0.3
|
Medi 2011
|
-0.3
|
Hydref 2011
|
-1.0
|
Tachwedd 2011
|
-0.1
|
Rhagfyr 2011
|
-0.2
|
Ionawr 2012
|
-0.3
|
Chwefror 2012
|
0.0
|
Mawrth 2012
|
-0.0
|
Ebrill 2012
|
1.3
|
Mai 2012
|
0.3
|
Mehefin 2012
|
1.0
|
Gorffennaf 2012
|
0.8
|
Awst 2012
|
0.1
|
Medi 2012
|
-0.4
|
Hydref 2012
|
-0.8
|
Tachwedd 2012
|
0.1
|
Rhagfyr 2012
|
-0.2
|
Ionawr 2013
|
-0.6
|
Chwefror 2013
|
0.2
|
Mawrth 2013
|
0.3
|
Ebrill 2013
|
1.0
|
Mai 2013
|
0.5
|
Mehefin 2013
|
0.8
|
Gorffennaf 2013
|
1.3
|
Awst 2013
|
0.8
|
Medi 2013
|
0.1
|
Hydref 2013
|
-0.4
|
Tachwedd 2013
|
0.5
|
Rhagfyr 2013
|
1.1
|
Ionawr 2014
|
0.0
|
Chwefror 2014
|
0.4
|
Mawrth 2014
|
0.4
|
Ebrill 2014
|
2.2
|
Mai 2014
|
0.9
|
Mehefin 2014
|
1.0
|
Gorffennaf 2014
|
1.6
|
Awst 2014
|
1.4
|
Medi 2014
|
0.1
|
Hydref 2014
|
-0.2
|
Tachwedd 2014
|
-0.2
|
Rhagfyr 2014
|
0.1
|
Ionawr 2015
|
-0.3
|
Chwefror 2015
|
0.2
|
Mawrth 2015
|
-0.1
|
Ebrill 2015
|
1.3
|
Mai 2015
|
1.2
|
Mehefin 2015
|
0.9
|
Gorffennaf 2015
|
1.6
|
Awst 2015
|
1.1
|
Medi 2015
|
0.3
|
Hydref 2015
|
0.1
|
Tachwedd 2015
|
0.9
|
Rhagfyr 2015
|
0.3
|
Ionawr 2016
|
0.5
|
Chwefror 2016
|
0.2
|
Mawrth 2016
|
1.1
|
Ebrill 2016
|
0.0
|
Mai 2016
|
1.0
|
Mehefin 2016
|
1.2
|
Gorffennaf 2016
|
1.1
|
Awst 2016
|
0.2
|
Medi 2016
|
-0.2
|
Hydref 2016
|
-0.5
|
Tachwedd 2016
|
0.5
|
Rhagfyr 2016
|
0.4
|
Ionawr 2017
|
-0.3
|
Chwefror 2017
|
0.5
|
Mawrth 2017
|
-0.4
|
Ebrill 2017
|
1.5
|
Mai 2017
|
0.7
|
Mehefin 2017
|
0.9
|
Gorffennaf 2017
|
1.1
|
Awst 2017
|
0.6
|
Medi 2017
|
-0.3
|
Hydref 2017
|
-0.1
|
Tachwedd 2017
|
-0.3
|
Rhagfyr 2017
|
0.5
|
Ionawr 2018
|
-0.7
|
Chwefror 2018
|
-0.0
|
Mawrth 2018
|
-0.2
|
Ebrill 2018
|
0.7
|
Mai 2018
|
0.7
|
Mehefin 2018
|
0.6
|
Gorffennaf 2018
|
1.2
|
Awst 2018
|
0.2
|
Medi 2018
|
-0.0
|
Hydref 2018
|
-0.5
|
Tachwedd 2018
|
0.1
|
Rhagfyr 2018
|
-0.5
|
Ionawr 2019
|
-0.8
|
Chwefror 2019
|
-0.4
|
Mawrth 2019
|
-0.3
|
Ebrill 2019
|
0.7
|
Mai 2019
|
0.3
|
Mehefin 2019
|
0.6
|
Gorffennaf 2019
|
0.6
|
Awst 2019
|
0.6
|
Medi 2019
|
0.0
|
Hydref 2019
|
-0.3
|
Tachwedd 2019
|
0.1
|
Rhagfyr 2019
|
0.0
|
Ionawr 2020
|
-0.8
|
Chwefror 2020
|
0.1
|
Mawrth 2020
|
0.7
|
Ebrill 2020
|
-1.5
|
Mai 2020
|
0.5
|
Mehefin 2020
|
2.1
|
Gorffennaf 2020
|
0.6
|
Awst 2020
|
1.1
|
Medi 2020
|
1.0
|
Hydref 2020
|
0.8
|
Tachwedd 2020
|
1.3
|
Rhagfyr 2020
|
0.9
|
Ionawr 2021
|
0.1
|
Chwefror 2021
|
0.4
|
Mawrth 2021
|
1.1
|
Ebrill 2021
|
-1.6
|
Mai 2021
|
0.4
|
Mehefin 2021
|
6.4
|
Gorffennaf 2021
|
-6.6
|
Awst 2021
|
4.2
|
Medi 2021
|
3.5
|
Hydref 2021
|
-3.2
|
Tachwedd 2021
|
2.1
|
Rhagfyr 2021
|
1.2
|
Dyddiad
|
Eiddo presennol
|
Mehefin 1998
|
31.8
|
Gorffennaf 1998
|
32.2
|
Awst 1998
|
32.4
|
Medi 1998
|
32.3
|
Hydref 1998
|
32.2
|
Tachwedd 1998
|
32.1
|
Rhagfyr 1998
|
32.2
|
Ionawr 1999
|
32.3
|
Chwefror 1999
|
32.2
|
Mawrth 1999
|
32.6
|
Ebrill 1999
|
33.3
|
Mai 1999
|
33.6
|
Mehefin 1999
|
34.2
|
Gorffennaf 1999
|
34.8
|
Awst 1999
|
35.3
|
Medi 1999
|
35.9
|
Hydref 1999
|
36.1
|
Tachwedd 1999
|
36.6
|
Rhagfyr 1999
|
36.9
|
Ionawr 2000
|
37.0
|
Chwefror 2000
|
37.2
|
Mawrth 2000
|
37.9
|
Ebrill 2000
|
39.2
|
Mai 2000
|
39.6
|
Mehefin 2000
|
40.1
|
Gorffennaf 2000
|
40.7
|
Awst 2000
|
41.1
|
Medi 2000
|
41.2
|
Hydref 2000
|
41.0
|
Tachwedd 2000
|
41.1
|
Rhagfyr 2000
|
41.4
|
Ionawr 2001
|
41.4
|
Chwefror 2001
|
41.3
|
Mawrth 2001
|
41.9
|
Ebrill 2001
|
42.9
|
Mai 2001
|
43.7
|
Mehefin 2001
|
44.2
|
Gorffennaf 2001
|
45.0
|
Awst 2001
|
45.9
|
Medi 2001
|
46.0
|
Hydref 2001
|
46.2
|
Tachwedd 2001
|
46.7
|
Rhagfyr 2001
|
47.1
|
Ionawr 2002
|
47.2
|
Chwefror 2002
|
47.3
|
Mawrth 2002
|
48.6
|
Ebrill 2002
|
49.7
|
Mai 2002
|
51.3
|
Mehefin 2002
|
52.4
|
Gorffennaf 2002
|
54.1
|
Awst 2002
|
55.5
|
Medi 2002
|
56.1
|
Hydref 2002
|
57.0
|
Tachwedd 2002
|
58.4
|
Rhagfyr 2002
|
59.0
|
Ionawr 2003
|
59.9
|
Chwefror 2003
|
59.9
|
Mawrth 2003
|
60.6
|
Ebrill 2003
|
62.1
|
Mai 2003
|
63.2
|
Mehefin 2003
|
63.6
|
Gorffennaf 2003
|
65.1
|
Awst 2003
|
65.9
|
Medi 2003
|
65.9
|
Hydref 2003
|
66.9
|
Tachwedd 2003
|
67.5
|
Rhagfyr 2003
|
68.4
|
Ionawr 2004
|
68.7
|
Chwefror 2004
|
68.9
|
Mawrth 2004
|
70.1
|
Ebrill 2004
|
72.6
|
Mai 2004
|
73.9
|
Mehefin 2004
|
75.5
|
Gorffennaf 2004
|
77.4
|
Awst 2004
|
78.3
|
Medi 2004
|
78.5
|
Hydref 2004
|
78.5
|
Tachwedd 2004
|
78.9
|
Rhagfyr 2004
|
78.6
|
Ionawr 2005
|
77.9
|
Chwefror 2005
|
77.8
|
Mawrth 2005
|
78.3
|
Ebrill 2005
|
79.1
|
Mai 2005
|
80.0
|
Mehefin 2005
|
80.6
|
Gorffennaf 2005
|
81.4
|
Awst 2005
|
81.7
|
Medi 2005
|
81.6
|
Hydref 2005
|
81.3
|
Tachwedd 2005
|
81.6
|
Rhagfyr 2005
|
82.0
|
Ionawr 2006
|
81.7
|
Chwefror 2006
|
81.7
|
Mawrth 2006
|
82.4
|
Ebrill 2006
|
83.9
|
Mai 2006
|
84.7
|
Mehefin 2006
|
85.6
|
Gorffennaf 2006
|
86.6
|
Awst 2006
|
87.4
|
Medi 2006
|
87.7
|
Hydref 2006
|
88.0
|
Tachwedd 2006
|
88.5
|
Rhagfyr 2006
|
89.5
|
Ionawr 2007
|
89.4
|
Chwefror 2007
|
89.7
|
Mawrth 2007
|
90.4
|
Ebrill 2007
|
92.0
|
Mai 2007
|
92.8
|
Mehefin 2007
|
94.0
|
Gorffennaf 2007
|
95.1
|
Awst 2007
|
95.8
|
Medi 2007
|
96.0
|
Hydref 2007
|
95.9
|
Tachwedd 2007
|
95.8
|
Rhagfyr 2007
|
95.7
|
Ionawr 2008
|
94.4
|
Chwefror 2008
|
93.3
|
Mawrth 2008
|
92.7
|
Ebrill 2008
|
92.9
|
Mai 2008
|
93.3
|
Mehefin 2008
|
92.2
|
Gorffennaf 2008
|
91.5
|
Awst 2008
|
89.5
|
Medi 2008
|
87.3
|
Hydref 2008
|
85.3
|
Tachwedd 2008
|
82.8
|
Rhagfyr 2008
|
81.8
|
Ionawr 2009
|
80.0
|
Chwefror 2009
|
79.2
|
Mawrth 2009
|
78.3
|
Ebrill 2009
|
79.0
|
Mai 2009
|
80.2
|
Mehefin 2009
|
81.1
|
Gorffennaf 2009
|
82.7
|
Awst 2009
|
83.8
|
Medi 2009
|
84.5
|
Hydref 2009
|
85.1
|
Tachwedd 2009
|
85.4
|
Rhagfyr 2009
|
86.0
|
Ionawr 2010
|
86.6
|
Chwefror 2010
|
86.7
|
Mawrth 2010
|
86.4
|
Ebrill 2010
|
87.5
|
Mai 2010
|
88.0
|
Mehefin 2010
|
88.5
|
Gorffennaf 2010
|
89.6
|
Awst 2010
|
89.6
|
Medi 2010
|
89.2
|
Hydref 2010
|
88.0
|
Tachwedd 2010
|
87.2
|
Rhagfyr 2010
|
86.9
|
Ionawr 2011
|
86.1
|
Chwefror 2011
|
85.8
|
Mawrth 2011
|
85.3
|
Ebrill 2011
|
86.6
|
Mai 2011
|
86.1
|
Mehefin 2011
|
86.4
|
Gorffennaf 2011
|
87.4
|
Awst 2011
|
87.7
|
Medi 2011
|
87.4
|
Hydref 2011
|
86.5
|
Tachwedd 2011
|
86.5
|
Rhagfyr 2011
|
86.3
|
Ionawr 2012
|
86.1
|
Chwefror 2012
|
86.1
|
Mawrth 2012
|
86.0
|
Ebrill 2012
|
87.2
|
Mai 2012
|
87.4
|
Mehefin 2012
|
88.4
|
Gorffennaf 2012
|
89.1
|
Awst 2012
|
89.2
|
Medi 2012
|
88.8
|
Hydref 2012
|
88.1
|
Tachwedd 2012
|
88.2
|
Rhagfyr 2012
|
88.0
|
Ionawr 2013
|
87.5
|
Chwefror 2013
|
87.6
|
Mawrth 2013
|
87.9
|
Ebrill 2013
|
88.8
|
Mai 2013
|
89.2
|
Mehefin 2013
|
90.0
|
Gorffennaf 2013
|
91.1
|
Awst 2013
|
91.8
|
Medi 2013
|
91.8
|
Hydref 2013
|
91.5
|
Tachwedd 2013
|
91.9
|
Rhagfyr 2013
|
92.9
|
Ionawr 2014
|
92.9
|
Chwefror 2014
|
93.3
|
Mawrth 2014
|
93.7
|
Ebrill 2014
|
95.8
|
Mai 2014
|
96.6
|
Mehefin 2014
|
97.6
|
Gorffennaf 2014
|
99.2
|
Awst 2014
|
100.5
|
Medi 2014
|
100.6
|
Hydref 2014
|
100.4
|
Tachwedd 2014
|
100.2
|
Rhagfyr 2014
|
100.3
|
Ionawr 2015
|
100.0
|
Chwefror 2015
|
100.2
|
Mawrth 2015
|
100.2
|
Ebrill 2015
|
101.5
|
Mai 2015
|
102.7
|
Mehefin 2015
|
103.7
|
Gorffennaf 2015
|
105.4
|
Awst 2015
|
106.6
|
Medi 2015
|
106.8
|
Hydref 2015
|
106.9
|
Tachwedd 2015
|
107.9
|
Rhagfyr 2015
|
108.2
|
Ionawr 2016
|
108.7
|
Chwefror 2016
|
109.0
|
Mawrth 2016
|
110.1
|
Ebrill 2016
|
110.1
|
Mai 2016
|
111.3
|
Mehefin 2016
|
112.6
|
Gorffennaf 2016
|
113.8
|
Awst 2016
|
114.0
|
Medi 2016
|
113.8
|
Hydref 2016
|
113.2
|
Tachwedd 2016
|
113.8
|
Rhagfyr 2016
|
114.2
|
Ionawr 2017
|
113.9
|
Chwefror 2017
|
114.5
|
Mawrth 2017
|
114.0
|
Ebrill 2017
|
115.7
|
Mai 2017
|
116.5
|
Mehefin 2017
|
117.5
|
Gorffennaf 2017
|
118.9
|
Awst 2017
|
119.5
|
Medi 2017
|
119.2
|
Hydref 2017
|
119.1
|
Tachwedd 2017
|
118.8
|
Rhagfyr 2017
|
119.4
|
Ionawr 2018
|
118.5
|
Chwefror 2018
|
118.5
|
Mawrth 2018
|
118.3
|
Ebrill 2018
|
119.2
|
Mai 2018
|
120.0
|
Mehefin 2018
|
120.7
|
Gorffennaf 2018
|
122.2
|
Awst 2018
|
122.4
|
Medi 2018
|
122.4
|
Hydref 2018
|
121.8
|
Tachwedd 2018
|
122.0
|
Rhagfyr 2018
|
121.4
|
Ionawr 2019
|
120.4
|
Chwefror 2019
|
119.9
|
Mawrth 2019
|
119.5
|
Ebrill 2019
|
120.3
|
Mai 2019
|
120.6
|
Mehefin 2019
|
121.3
|
Gorffennaf 2019
|
122.0
|
Awst 2019
|
122.8
|
Medi 2019
|
122.8
|
Hydref 2019
|
122.4
|
Tachwedd 2019
|
122.6
|
Rhagfyr 2019
|
122.6
|
Ionawr 2020
|
121.6
|
Chwefror 2020
|
121.8
|
Mawrth 2020
|
122.6
|
Ebrill 2020
|
120.8
|
Mai 2020
|
121.4
|
Mehefin 2020
|
124.0
|
Gorffennaf 2020
|
124.7
|
Awst 2020
|
126.0
|
Medi 2020
|
127.4
|
Hydref 2020
|
128.4
|
Tachwedd 2020
|
130.0
|
Rhagfyr 2020
|
131.2
|
Ionawr 2021
|
131.3
|
Chwefror 2021
|
131.9
|
Mawrth 2021
|
133.4
|
Ebrill 2021
|
131.2
|
Mai 2021
|
131.8
|
Mehefin 2021
|
140.3
|
Gorffennaf 2021
|
131.0
|
Awst 2021
|
136.4
|
Medi 2021
|
141.2
|
Hydref 2021
|
136.8
|
Tachwedd 2021
|
139.6
|
Rhagfyr 2021
|
141.3
|