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
|
Fflatiau a fflatiau deulawr
|
Ionawr 2000
|
232093.0
|
131329.0
|
79910.0
|
Chwefror 2000
|
239309.0
|
135302.0
|
82477.0
|
Mawrth 2000
|
250266.0
|
141220.0
|
85497.0
|
Ebrill 2000
|
260325.0
|
147503.0
|
89938.0
|
Mai 2000
|
266157.0
|
151424.0
|
92327.0
|
Mehefin 2000
|
268362.0
|
153148.0
|
93838.0
|
Gorffennaf 2000
|
266745.0
|
151525.0
|
92198.0
|
Awst 2000
|
273688.0
|
154977.0
|
94456.0
|
Medi 2000
|
278065.0
|
156008.0
|
95161.0
|
Hydref 2000
|
280239.0
|
157552.0
|
96344.0
|
Tachwedd 2000
|
274355.0
|
153532.0
|
94240.0
|
Rhagfyr 2000
|
270853.0
|
152333.0
|
94246.0
|
Ionawr 2001
|
275454.0
|
154876.0
|
96380.0
|
Chwefror 2001
|
282730.0
|
159841.0
|
99122.0
|
Mawrth 2001
|
282886.0
|
160132.0
|
98685.0
|
Ebrill 2001
|
286765.0
|
162236.0
|
100088.0
|
Mai 2001
|
287580.0
|
163075.0
|
101080.0
|
Mehefin 2001
|
293909.0
|
167220.0
|
104310.0
|
Gorffennaf 2001
|
301936.0
|
171874.0
|
107042.0
|
Awst 2001
|
317988.0
|
180184.0
|
112394.0
|
Medi 2001
|
331014.0
|
186161.0
|
116052.0
|
Hydref 2001
|
328520.0
|
184865.0
|
115631.0
|
Tachwedd 2001
|
326793.0
|
184399.0
|
115736.0
|
Rhagfyr 2001
|
317345.0
|
180674.0
|
114418.0
|
Ionawr 2002
|
322720.0
|
183989.0
|
116755.0
|
Chwefror 2002
|
317952.0
|
181711.0
|
115552.0
|
Mawrth 2002
|
332998.0
|
190038.0
|
120277.0
|
Ebrill 2002
|
337000.0
|
192948.0
|
123137.0
|
Mai 2002
|
348447.0
|
200329.0
|
127992.0
|
Mehefin 2002
|
351797.0
|
202751.0
|
130289.0
|
Gorffennaf 2002
|
356856.0
|
205424.0
|
131403.0
|
Awst 2002
|
360395.0
|
207136.0
|
132613.0
|
Medi 2002
|
369806.0
|
212587.0
|
135423.0
|
Hydref 2002
|
371883.0
|
214644.0
|
136928.0
|
Tachwedd 2002
|
381638.0
|
219922.0
|
140609.0
|
Rhagfyr 2002
|
375173.0
|
217533.0
|
139795.0
|
Ionawr 2003
|
378437.0
|
219221.0
|
141674.0
|
Chwefror 2003
|
374608.0
|
218487.0
|
141177.0
|
Mawrth 2003
|
381796.0
|
221895.0
|
143164.0
|
Ebrill 2003
|
378143.0
|
221341.0
|
142802.0
|
Mai 2003
|
373942.0
|
219831.0
|
141811.0
|
Mehefin 2003
|
372626.0
|
220032.0
|
142863.0
|
Gorffennaf 2003
|
378862.0
|
224088.0
|
144863.0
|
Awst 2003
|
382029.0
|
226033.0
|
145896.0
|
Medi 2003
|
386007.0
|
228971.0
|
146658.0
|
Hydref 2003
|
385539.0
|
228947.0
|
146968.0
|
Tachwedd 2003
|
392328.0
|
233476.0
|
149998.0
|
Rhagfyr 2003
|
386180.0
|
231233.0
|
149497.0
|
Ionawr 2004
|
390563.0
|
233678.0
|
151064.0
|
Chwefror 2004
|
382725.0
|
229334.0
|
148802.0
|
Mawrth 2004
|
380601.0
|
227195.0
|
147387.0
|
Ebrill 2004
|
380756.0
|
229537.0
|
148989.0
|
Mai 2004
|
382660.0
|
232427.0
|
151128.0
|
Mehefin 2004
|
390419.0
|
239031.0
|
155593.0
|
Gorffennaf 2004
|
388483.0
|
238470.0
|
154860.0
|
Awst 2004
|
400100.0
|
244984.0
|
158789.0
|
Medi 2004
|
412538.0
|
251962.0
|
162670.0
|
Hydref 2004
|
416264.0
|
253493.0
|
164788.0
|
Tachwedd 2004
|
414578.0
|
252593.0
|
164673.0
|
Rhagfyr 2004
|
403394.0
|
246613.0
|
161990.0
|
Ionawr 2005
|
405068.0
|
247375.0
|
162540.0
|
Chwefror 2005
|
389488.0
|
238446.0
|
156176.0
|
Mawrth 2005
|
394116.0
|
241291.0
|
157479.0
|
Ebrill 2005
|
392656.0
|
242072.0
|
157690.0
|
Mai 2005
|
400816.0
|
247001.0
|
161540.0
|
Mehefin 2005
|
393054.0
|
243232.0
|
159159.0
|
Gorffennaf 2005
|
397146.0
|
245959.0
|
160338.0
|
Awst 2005
|
404252.0
|
250021.0
|
162485.0
|
Medi 2005
|
414372.0
|
255586.0
|
165557.0
|
Hydref 2005
|
412182.0
|
253738.0
|
165132.0
|
Tachwedd 2005
|
408545.0
|
252303.0
|
164327.0
|
Rhagfyr 2005
|
399554.0
|
247513.0
|
162382.0
|
Ionawr 2006
|
400603.0
|
247801.0
|
162024.0
|
Chwefror 2006
|
406408.0
|
251546.0
|
165063.0
|
Mawrth 2006
|
422116.0
|
260694.0
|
170009.0
|
Ebrill 2006
|
429713.0
|
266247.0
|
174023.0
|
Mai 2006
|
444007.0
|
275101.0
|
179516.0
|
Mehefin 2006
|
442227.0
|
274667.0
|
179102.0
|
Gorffennaf 2006
|
451748.0
|
280504.0
|
181853.0
|
Awst 2006
|
447541.0
|
277679.0
|
179013.0
|
Medi 2006
|
459194.0
|
284032.0
|
182379.0
|
Hydref 2006
|
460885.0
|
284689.0
|
183165.0
|
Tachwedd 2006
|
469817.0
|
290341.0
|
186344.0
|
Rhagfyr 2006
|
475897.0
|
294828.0
|
189608.0
|
Ionawr 2007
|
478415.0
|
296463.0
|
190289.0
|
Chwefror 2007
|
478559.0
|
296628.0
|
191119.0
|
Mawrth 2007
|
476455.0
|
295081.0
|
189143.0
|
Ebrill 2007
|
481952.0
|
299201.0
|
191823.0
|
Mai 2007
|
488953.0
|
304407.0
|
195788.0
|
Mehefin 2007
|
492822.0
|
307275.0
|
197789.0
|
Gorffennaf 2007
|
496758.0
|
308601.0
|
198589.0
|
Awst 2007
|
503738.0
|
311456.0
|
198516.0
|
Medi 2007
|
502873.0
|
309934.0
|
197207.0
|
Hydref 2007
|
507478.0
|
311794.0
|
198980.0
|
Tachwedd 2007
|
509797.0
|
312999.0
|
200281.0
|
Rhagfyr 2007
|
520197.0
|
319775.0
|
205278.0
|
Ionawr 2008
|
510843.0
|
313440.0
|
200949.0
|
Chwefror 2008
|
503141.0
|
308559.0
|
198304.0
|
Mawrth 2008
|
491387.0
|
300540.0
|
193061.0
|
Ebrill 2008
|
484522.0
|
296262.0
|
189735.0
|
Mai 2008
|
479486.0
|
293313.0
|
187198.0
|
Mehefin 2008
|
481090.0
|
294306.0
|
187566.0
|
Gorffennaf 2008
|
482220.0
|
295442.0
|
188062.0
|
Awst 2008
|
469952.0
|
287287.0
|
182101.0
|
Medi 2008
|
452170.0
|
274395.0
|
173648.0
|
Hydref 2008
|
436214.0
|
264293.0
|
167449.0
|
Tachwedd 2008
|
429656.0
|
259784.0
|
164945.0
|
Rhagfyr 2008
|
429897.0
|
261288.0
|
165325.0
|
Ionawr 2009
|
435145.0
|
263284.0
|
167478.0
|
Chwefror 2009
|
427580.0
|
259654.0
|
166423.0
|
Mawrth 2009
|
415288.0
|
252298.0
|
163648.0
|
Ebrill 2009
|
416104.0
|
255100.0
|
165278.0
|
Mai 2009
|
433176.0
|
266163.0
|
171767.0
|
Mehefin 2009
|
443206.0
|
272688.0
|
174384.0
|
Gorffennaf 2009
|
445324.0
|
273768.0
|
173200.0
|
Awst 2009
|
461552.0
|
282511.0
|
176862.0
|
Medi 2009
|
482298.0
|
294623.0
|
183784.0
|
Hydref 2009
|
484315.0
|
295717.0
|
183904.0
|
Tachwedd 2009
|
477969.0
|
291674.0
|
181009.0
|
Rhagfyr 2009
|
469470.0
|
288316.0
|
177700.0
|
Ionawr 2010
|
485458.0
|
297018.0
|
181207.0
|
Chwefror 2010
|
490756.0
|
300158.0
|
181529.0
|
Mawrth 2010
|
499002.0
|
302442.0
|
183581.0
|
Ebrill 2010
|
500228.0
|
304028.0
|
185491.0
|
Mai 2010
|
503884.0
|
305698.0
|
187429.0
|
Mehefin 2010
|
499261.0
|
303418.0
|
184908.0
|
Gorffennaf 2010
|
505385.0
|
305236.0
|
184694.0
|
Awst 2010
|
508070.0
|
307270.0
|
184397.0
|
Medi 2010
|
526785.0
|
317177.0
|
189911.0
|
Hydref 2010
|
533242.0
|
321733.0
|
193231.0
|
Tachwedd 2010
|
531439.0
|
319457.0
|
192531.0
|
Rhagfyr 2010
|
523136.0
|
315337.0
|
190090.0
|
Ionawr 2011
|
509375.0
|
305586.0
|
184469.0
|
Chwefror 2011
|
504616.0
|
301508.0
|
182179.0
|
Mawrth 2011
|
509590.0
|
301670.0
|
182647.0
|
Ebrill 2011
|
520390.0
|
308477.0
|
186926.0
|
Mai 2011
|
523360.0
|
312276.0
|
190572.0
|
Mehefin 2011
|
523486.0
|
315935.0
|
192751.0
|
Gorffennaf 2011
|
525548.0
|
318338.0
|
194758.0
|
Awst 2011
|
532479.0
|
322150.0
|
194453.0
|
Medi 2011
|
531158.0
|
319297.0
|
191683.0
|
Hydref 2011
|
540665.0
|
324386.0
|
192986.0
|
Tachwedd 2011
|
556002.0
|
333067.0
|
199645.0
|
Rhagfyr 2011
|
559955.0
|
337080.0
|
202834.0
|
Ionawr 2012
|
555150.0
|
335487.0
|
201560.0
|
Chwefror 2012
|
541425.0
|
327246.0
|
195262.0
|
Mawrth 2012
|
535452.0
|
323959.0
|
193086.0
|
Ebrill 2012
|
544009.0
|
328503.0
|
196718.0
|
Mai 2012
|
558899.0
|
338250.0
|
203348.0
|
Mehefin 2012
|
564376.0
|
341360.0
|
204713.0
|
Gorffennaf 2012
|
566396.0
|
342637.0
|
204590.0
|
Awst 2012
|
564989.0
|
341967.0
|
202681.0
|
Medi 2012
|
583469.0
|
352235.0
|
208219.0
|
Hydref 2012
|
572127.0
|
345544.0
|
204603.0
|
Tachwedd 2012
|
576289.0
|
347642.0
|
206508.0
|
Rhagfyr 2012
|
575273.0
|
346876.0
|
206289.0
|
Ionawr 2013
|
597965.0
|
360786.0
|
213043.0
|
Chwefror 2013
|
596990.0
|
360149.0
|
212413.0
|
Mawrth 2013
|
606091.0
|
364719.0
|
216050.0
|
Ebrill 2013
|
604740.0
|
362697.0
|
216965.0
|
Mai 2013
|
615294.0
|
369331.0
|
221385.0
|
Mehefin 2013
|
609516.0
|
367682.0
|
219167.0
|
Gorffennaf 2013
|
611959.0
|
370341.0
|
219929.0
|
Awst 2013
|
614671.0
|
372485.0
|
220518.0
|
Medi 2013
|
614740.0
|
370548.0
|
219585.0
|
Hydref 2013
|
625059.0
|
375505.0
|
222629.0
|
Tachwedd 2013
|
624763.0
|
374516.0
|
222528.0
|
Rhagfyr 2013
|
647820.0
|
390288.0
|
232551.0
|
Ionawr 2014
|
633948.0
|
382104.0
|
227365.0
|
Chwefror 2014
|
644402.0
|
387670.0
|
230197.0
|
Mawrth 2014
|
629192.0
|
378149.0
|
224042.0
|
Ebrill 2014
|
655185.0
|
393952.0
|
233409.0
|
Mai 2014
|
670485.0
|
404147.0
|
240060.0
|
Mehefin 2014
|
698809.0
|
421492.0
|
249841.0
|
Gorffennaf 2014
|
704603.0
|
425561.0
|
251420.0
|
Awst 2014
|
710901.0
|
429366.0
|
251809.0
|
Medi 2014
|
715949.0
|
432492.0
|
253099.0
|
Hydref 2014
|
711547.0
|
429750.0
|
251611.0
|
Tachwedd 2014
|
705698.0
|
426420.0
|
250028.0
|
Rhagfyr 2014
|
698805.0
|
421578.0
|
247938.0
|
Ionawr 2015
|
719612.0
|
433531.0
|
255323.0
|
Chwefror 2015
|
733080.0
|
440181.0
|
260500.0
|
Mawrth 2015
|
744735.0
|
446671.0
|
264523.0
|
Ebrill 2015
|
743255.0
|
445088.0
|
263351.0
|
Mai 2015
|
753927.0
|
452980.0
|
267867.0
|
Mehefin 2015
|
771681.0
|
464994.0
|
273551.0
|
Gorffennaf 2015
|
780328.0
|
471990.0
|
277557.0
|
Awst 2015
|
786533.0
|
475969.0
|
278965.0
|
Medi 2015
|
794065.0
|
478307.0
|
280566.0
|
Hydref 2015
|
798597.0
|
480331.0
|
280967.0
|
Tachwedd 2015
|
803954.0
|
482966.0
|
282234.0
|
Rhagfyr 2015
|
821104.0
|
493771.0
|
287916.0
|
Ionawr 2016
|
827608.0
|
499035.0
|
290341.0
|
Chwefror 2016
|
834069.0
|
502813.0
|
292199.0
|
Mawrth 2016
|
829752.0
|
500026.0
|
291768.0
|
Ebrill 2016
|
843599.0
|
506710.0
|
296657.0
|
Mai 2016
|
827986.0
|
497840.0
|
293184.0
|
Mehefin 2016
|
818091.0
|
492109.0
|
289936.0
|
Gorffennaf 2016
|
812266.0
|
489835.0
|
288806.0
|
Awst 2016
|
822256.0
|
495704.0
|
292195.0
|
Medi 2016
|
821822.0
|
496512.0
|
292127.0
|
Hydref 2016
|
768163.0
|
462698.0
|
272827.0
|
Tachwedd 2016
|
766924.0
|
459759.0
|
271163.0
|
Rhagfyr 2016
|
773563.0
|
461973.0
|
273694.0
|
Ionawr 2017
|
816456.0
|
486787.0
|
288404.0
|
Chwefror 2017
|
817013.0
|
486436.0
|
289568.0
|
Mawrth 2017
|
816485.0
|
484327.0
|
288647.0
|
Ebrill 2017
|
827645.0
|
488861.0
|
291956.0
|
Mai 2017
|
837682.0
|
497035.0
|
296599.0
|
Mehefin 2017
|
851959.0
|
507000.0
|
302495.0
|
Gorffennaf 2017
|
870449.0
|
521478.0
|
310682.0
|
Awst 2017
|
881981.0
|
526402.0
|
311689.0
|
Medi 2017
|
869071.0
|
518110.0
|
305763.0
|
Hydref 2017
|
854859.0
|
507514.0
|
298641.0
|
Tachwedd 2017
|
850006.0
|
506361.0
|
297330.0
|
Rhagfyr 2017
|
841970.0
|
502088.0
|
293975.0
|
Ionawr 2018
|
834426.0
|
498723.0
|
292689.0
|
Chwefror 2018
|
831619.0
|
495106.0
|
292136.0
|
Mawrth 2018
|
849480.0
|
506748.0
|
299164.0
|
Ebrill 2018
|
855553.0
|
510857.0
|
299930.0
|
Mai 2018
|
854062.0
|
511183.0
|
297296.0
|
Mehefin 2018
|
850394.0
|
509189.0
|
294644.0
|
Gorffennaf 2018
|
866047.0
|
516445.0
|
298019.0
|
Awst 2018
|
876859.0
|
522147.0
|
301603.0
|
Medi 2018
|
871640.0
|
517428.0
|
298540.0
|
Hydref 2018
|
867678.0
|
514926.0
|
297771.0
|
Tachwedd 2018
|
875168.0
|
517960.0
|
297554.0
|
Rhagfyr 2018
|
886148.0
|
526325.0
|
302775.0
|
Ionawr 2019
|
872115.0
|
518046.0
|
297073.0
|
Chwefror 2019
|
848626.0
|
502850.0
|
290083.0
|
Mawrth 2019
|
831761.0
|
491314.0
|
282345.0
|
Ebrill 2019
|
840063.0
|
496663.0
|
285250.0
|
Mai 2019
|
844500.0
|
502227.0
|
287105.0
|
Mehefin 2019
|
850890.0
|
506939.0
|
289899.0
|
Gorffennaf 2019
|
843958.0
|
503944.0
|
288508.0
|
Awst 2019
|
855392.0
|
508936.0
|
290432.0
|
Medi 2019
|
871528.0
|
516228.0
|
295300.0
|
Hydref 2019
|
881161.0
|
522134.0
|
296854.0
|
Tachwedd 2019
|
860708.0
|
512213.0
|
290313.0
|
Rhagfyr 2019
|
852657.0
|
509839.0
|
286963.0
|
Ionawr 2020
|
847768.0
|
507075.0
|
285027.0
|
Chwefror 2020
|
878856.0
|
524095.0
|
294077.0
|
Mawrth 2020
|
880898.0
|
524224.0
|
294011.0
|
Ebrill 2020
|
879589.0
|
519599.0
|
290172.0
|
Mai 2020
|
863794.0
|
509447.0
|
285303.0
|
Mehefin 2020
|
866234.0
|
513494.0
|
286027.0
|
Gorffennaf 2020
|
877277.0
|
523894.0
|
292199.0
|
Dyddiad
|
Tai ar wahân
|
Tai pâr
|
Fflatiau a fflatiau deulawr
|
Ionawr 2000
|
12.1
|
11.3
|
11.4
|
Chwefror 2000
|
17.4
|
16.5
|
17.0
|
Mawrth 2000
|
22.0
|
21.3
|
20.8
|
Ebrill 2000
|
25.8
|
25.2
|
25.6
|
Mai 2000
|
27.6
|
27.2
|
27.5
|
Mehefin 2000
|
26.4
|
26.3
|
27.6
|
Gorffennaf 2000
|
23.9
|
23.9
|
24.7
|
Awst 2000
|
22.5
|
22.6
|
23.7
|
Medi 2000
|
22.1
|
21.7
|
22.9
|
Hydref 2000
|
23.8
|
23.7
|
24.6
|
Tachwedd 2000
|
22.4
|
21.7
|
22.8
|
Rhagfyr 2000
|
21.1
|
20.2
|
21.6
|
Ionawr 2001
|
18.7
|
17.9
|
20.6
|
Chwefror 2001
|
18.1
|
18.1
|
20.2
|
Mawrth 2001
|
13.0
|
13.4
|
15.4
|
Ebrill 2001
|
10.2
|
10.0
|
11.3
|
Mai 2001
|
8.0
|
7.7
|
9.5
|
Mehefin 2001
|
9.5
|
9.2
|
11.2
|
Gorffennaf 2001
|
13.2
|
13.4
|
16.1
|
Awst 2001
|
16.2
|
16.3
|
19.0
|
Medi 2001
|
19.0
|
19.3
|
22.0
|
Hydref 2001
|
17.2
|
17.3
|
20.0
|
Tachwedd 2001
|
19.1
|
20.1
|
22.8
|
Rhagfyr 2001
|
17.2
|
18.6
|
21.4
|
Ionawr 2002
|
17.2
|
18.8
|
21.1
|
Chwefror 2002
|
12.5
|
13.7
|
16.6
|
Mawrth 2002
|
17.7
|
18.7
|
21.9
|
Ebrill 2002
|
17.5
|
18.9
|
23.0
|
Mai 2002
|
21.2
|
22.8
|
26.6
|
Mehefin 2002
|
19.7
|
21.2
|
24.9
|
Gorffennaf 2002
|
18.2
|
19.5
|
22.8
|
Awst 2002
|
13.3
|
15.0
|
18.0
|
Medi 2002
|
11.7
|
14.2
|
16.7
|
Hydref 2002
|
13.2
|
16.1
|
18.4
|
Tachwedd 2002
|
16.8
|
19.3
|
21.5
|
Rhagfyr 2002
|
18.2
|
20.4
|
22.2
|
Ionawr 2003
|
17.3
|
19.2
|
21.3
|
Chwefror 2003
|
17.8
|
20.2
|
22.2
|
Mawrth 2003
|
14.6
|
16.8
|
19.0
|
Ebrill 2003
|
12.2
|
14.7
|
16.0
|
Mai 2003
|
7.3
|
9.7
|
10.8
|
Mehefin 2003
|
5.9
|
8.5
|
9.6
|
Gorffennaf 2003
|
6.2
|
9.1
|
10.2
|
Awst 2003
|
6.0
|
9.1
|
10.0
|
Medi 2003
|
4.4
|
7.7
|
8.3
|
Hydref 2003
|
3.7
|
6.7
|
7.3
|
Tachwedd 2003
|
2.8
|
6.2
|
6.7
|
Rhagfyr 2003
|
2.9
|
6.3
|
6.9
|
Ionawr 2004
|
3.2
|
6.6
|
6.6
|
Chwefror 2004
|
2.2
|
5.0
|
5.4
|
Mawrth 2004
|
-0.3
|
2.4
|
3.0
|
Ebrill 2004
|
0.7
|
3.7
|
4.3
|
Mai 2004
|
2.3
|
5.7
|
6.6
|
Mehefin 2004
|
4.8
|
8.6
|
8.9
|
Gorffennaf 2004
|
2.5
|
6.4
|
6.9
|
Awst 2004
|
4.7
|
8.4
|
8.8
|
Medi 2004
|
6.9
|
10.0
|
10.9
|
Hydref 2004
|
8.0
|
10.7
|
12.1
|
Tachwedd 2004
|
5.7
|
8.2
|
9.8
|
Rhagfyr 2004
|
4.5
|
6.6
|
8.4
|
Ionawr 2005
|
3.7
|
5.9
|
7.6
|
Chwefror 2005
|
1.8
|
4.0
|
5.0
|
Mawrth 2005
|
3.6
|
6.2
|
6.8
|
Ebrill 2005
|
3.1
|
5.5
|
5.8
|
Mai 2005
|
4.7
|
6.3
|
6.9
|
Mehefin 2005
|
0.7
|
1.8
|
2.3
|
Gorffennaf 2005
|
2.2
|
3.1
|
3.5
|
Awst 2005
|
1.0
|
2.1
|
2.3
|
Medi 2005
|
0.4
|
1.4
|
1.8
|
Hydref 2005
|
-1.0
|
0.1
|
0.2
|
Tachwedd 2005
|
-1.5
|
-0.1
|
-0.2
|
Rhagfyr 2005
|
-1.0
|
0.4
|
0.2
|
Ionawr 2006
|
-1.1
|
0.2
|
-0.3
|
Chwefror 2006
|
4.3
|
5.5
|
5.7
|
Mawrth 2006
|
7.1
|
8.0
|
8.0
|
Ebrill 2006
|
9.4
|
10.0
|
10.4
|
Mai 2006
|
10.8
|
11.4
|
11.1
|
Mehefin 2006
|
12.5
|
12.9
|
12.5
|
Gorffennaf 2006
|
13.8
|
14.0
|
13.4
|
Awst 2006
|
10.7
|
11.1
|
10.2
|
Medi 2006
|
10.8
|
11.1
|
10.2
|
Hydref 2006
|
11.8
|
12.2
|
10.9
|
Tachwedd 2006
|
15.0
|
15.1
|
13.4
|
Rhagfyr 2006
|
19.1
|
19.1
|
16.8
|
Ionawr 2007
|
19.4
|
19.6
|
17.4
|
Chwefror 2007
|
17.8
|
17.9
|
15.8
|
Mawrth 2007
|
12.9
|
13.2
|
11.2
|
Ebrill 2007
|
12.2
|
12.4
|
10.2
|
Mai 2007
|
10.1
|
10.6
|
9.1
|
Mehefin 2007
|
11.4
|
11.9
|
10.4
|
Gorffennaf 2007
|
10.0
|
10.0
|
9.2
|
Awst 2007
|
12.6
|
12.2
|
10.9
|
Medi 2007
|
9.5
|
9.1
|
8.1
|
Hydref 2007
|
10.1
|
9.5
|
8.6
|
Tachwedd 2007
|
8.5
|
7.8
|
7.5
|
Rhagfyr 2007
|
9.3
|
8.5
|
8.3
|
Ionawr 2008
|
6.8
|
5.7
|
5.6
|
Chwefror 2008
|
5.1
|
4.0
|
3.8
|
Mawrth 2008
|
3.1
|
1.8
|
2.1
|
Ebrill 2008
|
0.5
|
-1.0
|
-1.1
|
Mai 2008
|
-1.9
|
-3.6
|
-4.4
|
Mehefin 2008
|
-2.4
|
-4.2
|
-5.2
|
Gorffennaf 2008
|
-2.9
|
-4.3
|
-5.3
|
Awst 2008
|
-6.7
|
-7.8
|
-8.3
|
Medi 2008
|
-10.1
|
-11.5
|
-12.0
|
Hydref 2008
|
-14.0
|
-15.2
|
-15.8
|
Tachwedd 2008
|
-15.7
|
-17.0
|
-17.6
|
Rhagfyr 2008
|
-17.4
|
-18.3
|
-19.5
|
Ionawr 2009
|
-14.8
|
-16.0
|
-16.7
|
Chwefror 2009
|
-15.0
|
-15.8
|
-16.1
|
Mawrth 2009
|
-15.5
|
-16.0
|
-15.2
|
Ebrill 2009
|
-14.1
|
-13.9
|
-12.9
|
Mai 2009
|
-9.7
|
-9.3
|
-8.2
|
Mehefin 2009
|
-7.9
|
-7.4
|
-7.0
|
Gorffennaf 2009
|
-7.6
|
-7.3
|
-7.9
|
Awst 2009
|
-1.8
|
-1.7
|
-2.9
|
Medi 2009
|
6.7
|
7.4
|
5.8
|
Hydref 2009
|
11.0
|
11.9
|
9.8
|
Tachwedd 2009
|
11.2
|
12.3
|
9.7
|
Rhagfyr 2009
|
9.2
|
10.3
|
7.5
|
Ionawr 2010
|
11.6
|
12.8
|
8.2
|
Chwefror 2010
|
14.8
|
15.6
|
9.1
|
Mawrth 2010
|
20.2
|
19.9
|
12.2
|
Ebrill 2010
|
20.2
|
19.2
|
12.2
|
Mai 2010
|
16.3
|
14.8
|
9.1
|
Mehefin 2010
|
12.6
|
11.3
|
6.0
|
Gorffennaf 2010
|
13.5
|
11.5
|
6.6
|
Awst 2010
|
10.1
|
8.8
|
4.3
|
Medi 2010
|
9.2
|
7.7
|
3.3
|
Hydref 2010
|
10.1
|
8.8
|
5.1
|
Tachwedd 2010
|
11.2
|
9.5
|
6.4
|
Rhagfyr 2010
|
11.4
|
9.4
|
7.0
|
Ionawr 2011
|
4.9
|
2.9
|
1.8
|
Chwefror 2011
|
2.8
|
0.4
|
0.4
|
Mawrth 2011
|
2.1
|
-0.3
|
-0.5
|
Ebrill 2011
|
4.0
|
1.5
|
0.8
|
Mai 2011
|
3.9
|
2.2
|
1.7
|
Mehefin 2011
|
4.8
|
4.1
|
4.2
|
Gorffennaf 2011
|
4.0
|
4.3
|
5.4
|
Awst 2011
|
4.8
|
4.8
|
5.4
|
Medi 2011
|
0.8
|
0.7
|
0.9
|
Hydref 2011
|
1.4
|
0.8
|
-0.1
|
Tachwedd 2011
|
4.6
|
4.3
|
3.7
|
Rhagfyr 2011
|
7.0
|
6.9
|
6.7
|
Ionawr 2012
|
9.0
|
9.8
|
9.3
|
Chwefror 2012
|
7.3
|
8.5
|
7.2
|
Mawrth 2012
|
5.1
|
7.4
|
5.7
|
Ebrill 2012
|
4.5
|
6.5
|
5.2
|
Mai 2012
|
6.8
|
8.3
|
6.7
|
Mehefin 2012
|
7.8
|
8.0
|
6.2
|
Gorffennaf 2012
|
7.8
|
7.6
|
5.0
|
Awst 2012
|
6.1
|
6.2
|
4.2
|
Medi 2012
|
9.8
|
10.3
|
8.6
|
Hydref 2012
|
5.8
|
6.5
|
6.0
|
Tachwedd 2012
|
3.6
|
4.4
|
3.4
|
Rhagfyr 2012
|
2.7
|
2.9
|
1.7
|
Ionawr 2013
|
7.7
|
7.5
|
5.7
|
Chwefror 2013
|
10.3
|
10.0
|
8.8
|
Mawrth 2013
|
13.2
|
12.6
|
11.9
|
Ebrill 2013
|
11.2
|
10.4
|
10.3
|
Mai 2013
|
10.1
|
9.2
|
8.9
|
Mehefin 2013
|
8.0
|
7.7
|
7.1
|
Gorffennaf 2013
|
8.0
|
8.1
|
7.5
|
Awst 2013
|
8.8
|
8.9
|
8.8
|
Medi 2013
|
5.4
|
5.2
|
5.5
|
Hydref 2013
|
9.2
|
8.7
|
8.8
|
Tachwedd 2013
|
8.4
|
7.7
|
7.8
|
Rhagfyr 2013
|
12.6
|
12.5
|
12.7
|
Ionawr 2014
|
6.0
|
5.9
|
6.7
|
Chwefror 2014
|
7.9
|
7.6
|
8.4
|
Mawrth 2014
|
3.8
|
3.7
|
3.7
|
Ebrill 2014
|
8.3
|
8.6
|
7.6
|
Mai 2014
|
9.0
|
9.4
|
8.4
|
Mehefin 2014
|
14.6
|
14.6
|
14.0
|
Gorffennaf 2014
|
15.1
|
14.9
|
14.3
|
Awst 2014
|
15.7
|
15.3
|
14.2
|
Medi 2014
|
16.5
|
16.7
|
15.3
|
Hydref 2014
|
13.8
|
14.4
|
13.0
|
Tachwedd 2014
|
13.0
|
13.9
|
12.4
|
Rhagfyr 2014
|
7.9
|
8.0
|
6.6
|
Ionawr 2015
|
13.5
|
13.5
|
12.3
|
Chwefror 2015
|
13.8
|
13.6
|
13.2
|
Mawrth 2015
|
18.4
|
18.1
|
18.1
|
Ebrill 2015
|
13.4
|
13.0
|
12.8
|
Mai 2015
|
12.4
|
12.1
|
11.6
|
Mehefin 2015
|
10.4
|
10.3
|
9.5
|
Gorffennaf 2015
|
10.8
|
10.9
|
10.4
|
Awst 2015
|
10.6
|
10.8
|
10.8
|
Medi 2015
|
10.9
|
10.6
|
10.8
|
Hydref 2015
|
12.2
|
11.8
|
11.7
|
Tachwedd 2015
|
13.9
|
13.3
|
12.9
|
Rhagfyr 2015
|
17.5
|
17.1
|
16.1
|
Ionawr 2016
|
15.0
|
15.1
|
13.7
|
Chwefror 2016
|
13.8
|
14.2
|
12.2
|
Mawrth 2016
|
11.4
|
11.9
|
10.3
|
Ebrill 2016
|
13.5
|
13.8
|
12.6
|
Mai 2016
|
9.8
|
9.9
|
9.4
|
Mehefin 2016
|
6.0
|
5.8
|
6.0
|
Gorffennaf 2016
|
4.1
|
3.8
|
4.0
|
Awst 2016
|
4.5
|
4.2
|
4.7
|
Medi 2016
|
3.5
|
3.8
|
4.1
|
Hydref 2016
|
-3.8
|
-3.7
|
-2.9
|
Tachwedd 2016
|
-4.6
|
-4.8
|
-3.9
|
Rhagfyr 2016
|
-5.8
|
-6.4
|
-4.9
|
Ionawr 2017
|
-1.4
|
-2.4
|
-0.7
|
Chwefror 2017
|
-2.0
|
-3.3
|
-0.9
|
Mawrth 2017
|
-1.6
|
-3.1
|
-1.1
|
Ebrill 2017
|
-1.0
|
-1.8
|
-0.5
|
Mai 2017
|
1.4
|
0.6
|
1.7
|
Mehefin 2017
|
4.1
|
3.0
|
4.3
|
Gorffennaf 2017
|
7.2
|
6.5
|
7.6
|
Awst 2017
|
7.3
|
6.2
|
6.7
|
Medi 2017
|
5.8
|
4.4
|
4.7
|
Hydref 2017
|
11.3
|
9.7
|
9.5
|
Tachwedd 2017
|
10.8
|
10.1
|
9.6
|
Rhagfyr 2017
|
8.8
|
8.7
|
7.4
|
Ionawr 2018
|
2.2
|
2.4
|
1.5
|
Chwefror 2018
|
1.8
|
1.8
|
0.9
|
Mawrth 2018
|
4.0
|
4.6
|
3.6
|
Ebrill 2018
|
3.4
|
4.5
|
2.7
|
Mai 2018
|
2.0
|
2.8
|
0.2
|
Mehefin 2018
|
-0.2
|
0.4
|
-2.6
|
Gorffennaf 2018
|
-0.5
|
-1.0
|
-4.1
|
Awst 2018
|
-0.6
|
-0.8
|
-3.2
|
Medi 2018
|
0.3
|
-0.1
|
-2.4
|
Hydref 2018
|
1.5
|
1.5
|
-0.3
|
Tachwedd 2018
|
3.0
|
2.3
|
0.1
|
Rhagfyr 2018
|
5.2
|
4.8
|
3.0
|
Ionawr 2019
|
4.5
|
3.9
|
1.5
|
Chwefror 2019
|
2.0
|
1.6
|
-0.7
|
Mawrth 2019
|
-2.1
|
-3.0
|
-5.6
|
Ebrill 2019
|
-1.8
|
-2.8
|
-4.9
|
Mai 2019
|
-1.1
|
-1.8
|
-3.4
|
Mehefin 2019
|
0.1
|
-0.4
|
-1.6
|
Gorffennaf 2019
|
-2.6
|
-2.4
|
-3.2
|
Awst 2019
|
-2.4
|
-2.5
|
-3.7
|
Medi 2019
|
-0.0
|
-0.2
|
-1.1
|
Hydref 2019
|
1.6
|
1.4
|
-0.3
|
Tachwedd 2019
|
-1.6
|
-1.1
|
-2.4
|
Rhagfyr 2019
|
-3.8
|
-3.1
|
-5.2
|
Ionawr 2020
|
-2.8
|
-2.1
|
-4.1
|
Chwefror 2020
|
3.6
|
4.2
|
1.4
|
Mawrth 2020
|
5.9
|
6.7
|
4.1
|
Ebrill 2020
|
4.7
|
4.6
|
1.7
|
Mai 2020
|
2.3
|
1.4
|
-0.6
|
Mehefin 2020
|
1.8
|
1.3
|
-1.3
|
Gorffennaf 2020
|
4.0
|
4.0
|
1.3
|
Dyddiad
|
Tai ar wahân
|
Tai pâr
|
Fflatiau a fflatiau deulawr
|
Ionawr 2000
|
3.8
|
3.6
|
3.1
|
Chwefror 2000
|
3.1
|
3.0
|
3.2
|
Mawrth 2000
|
4.6
|
4.4
|
3.7
|
Ebrill 2000
|
4.0
|
4.4
|
5.2
|
Mai 2000
|
2.2
|
2.7
|
2.7
|
Mehefin 2000
|
0.8
|
1.1
|
1.6
|
Gorffennaf 2000
|
-0.6
|
-1.1
|
-1.8
|
Awst 2000
|
2.6
|
2.3
|
2.4
|
Medi 2000
|
1.6
|
0.7
|
0.8
|
Hydref 2000
|
0.8
|
1.0
|
1.2
|
Tachwedd 2000
|
-2.1
|
-2.6
|
-2.2
|
Rhagfyr 2000
|
-1.3
|
-0.8
|
0.0
|
Ionawr 2001
|
1.7
|
1.7
|
2.3
|
Chwefror 2001
|
2.6
|
3.2
|
2.8
|
Mawrth 2001
|
0.1
|
0.2
|
-0.4
|
Ebrill 2001
|
1.4
|
1.3
|
1.4
|
Mai 2001
|
0.3
|
0.5
|
1.0
|
Mehefin 2001
|
2.2
|
2.5
|
3.2
|
Gorffennaf 2001
|
2.7
|
2.8
|
2.6
|
Awst 2001
|
5.3
|
4.8
|
5.0
|
Medi 2001
|
4.1
|
3.3
|
3.2
|
Hydref 2001
|
-0.8
|
-0.7
|
-0.4
|
Tachwedd 2001
|
-0.5
|
-0.2
|
0.1
|
Rhagfyr 2001
|
-2.9
|
-2.0
|
-1.1
|
Ionawr 2002
|
1.7
|
1.8
|
2.0
|
Chwefror 2002
|
-1.5
|
-1.2
|
-1.0
|
Mawrth 2002
|
4.7
|
4.6
|
4.1
|
Ebrill 2002
|
1.2
|
1.5
|
2.4
|
Mai 2002
|
3.4
|
3.8
|
3.9
|
Mehefin 2002
|
1.0
|
1.2
|
1.8
|
Gorffennaf 2002
|
1.4
|
1.3
|
0.9
|
Awst 2002
|
1.0
|
0.8
|
0.9
|
Medi 2002
|
2.6
|
2.6
|
2.1
|
Hydref 2002
|
0.6
|
1.0
|
1.1
|
Tachwedd 2002
|
2.6
|
2.5
|
2.7
|
Rhagfyr 2002
|
-1.7
|
-1.1
|
-0.6
|
Ionawr 2003
|
0.9
|
0.8
|
1.3
|
Chwefror 2003
|
-1.0
|
-0.3
|
-0.4
|
Mawrth 2003
|
1.9
|
1.6
|
1.4
|
Ebrill 2003
|
-1.0
|
-0.2
|
-0.2
|
Mai 2003
|
-1.1
|
-0.7
|
-0.7
|
Mehefin 2003
|
-0.4
|
0.1
|
0.7
|
Gorffennaf 2003
|
1.7
|
1.8
|
1.4
|
Awst 2003
|
0.8
|
0.9
|
0.7
|
Medi 2003
|
1.0
|
1.3
|
0.5
|
Hydref 2003
|
-0.1
|
-0.0
|
0.2
|
Tachwedd 2003
|
1.8
|
2.0
|
2.1
|
Rhagfyr 2003
|
-1.6
|
-1.0
|
-0.3
|
Ionawr 2004
|
1.1
|
1.1
|
1.0
|
Chwefror 2004
|
-2.0
|
-1.9
|
-1.5
|
Mawrth 2004
|
-0.6
|
-0.9
|
-1.0
|
Ebrill 2004
|
0.0
|
1.0
|
1.1
|
Mai 2004
|
0.5
|
1.3
|
1.4
|
Mehefin 2004
|
2.0
|
2.8
|
3.0
|
Gorffennaf 2004
|
-0.5
|
-0.2
|
-0.5
|
Awst 2004
|
3.0
|
2.7
|
2.5
|
Medi 2004
|
3.1
|
2.8
|
2.4
|
Hydref 2004
|
0.9
|
0.6
|
1.3
|
Tachwedd 2004
|
-0.4
|
-0.4
|
-0.1
|
Rhagfyr 2004
|
-2.7
|
-2.4
|
-1.6
|
Ionawr 2005
|
0.4
|
0.3
|
0.3
|
Chwefror 2005
|
-3.8
|
-3.6
|
-3.9
|
Mawrth 2005
|
1.2
|
1.2
|
0.8
|
Ebrill 2005
|
-0.4
|
0.3
|
0.1
|
Mai 2005
|
2.1
|
2.0
|
2.4
|
Mehefin 2005
|
-1.9
|
-1.5
|
-1.5
|
Gorffennaf 2005
|
1.0
|
1.1
|
0.7
|
Awst 2005
|
1.8
|
1.6
|
1.3
|
Medi 2005
|
2.5
|
2.2
|
1.9
|
Hydref 2005
|
-0.5
|
-0.7
|
-0.3
|
Tachwedd 2005
|
-0.9
|
-0.6
|
-0.5
|
Rhagfyr 2005
|
-2.2
|
-1.9
|
-1.2
|
Ionawr 2006
|
0.3
|
0.1
|
-0.2
|
Chwefror 2006
|
1.4
|
1.5
|
1.9
|
Mawrth 2006
|
3.9
|
3.6
|
3.0
|
Ebrill 2006
|
1.8
|
2.1
|
2.4
|
Mai 2006
|
3.3
|
3.3
|
3.2
|
Mehefin 2006
|
-0.4
|
-0.2
|
-0.2
|
Gorffennaf 2006
|
2.2
|
2.1
|
1.5
|
Awst 2006
|
-0.9
|
-1.0
|
-1.6
|
Medi 2006
|
2.6
|
2.3
|
1.9
|
Hydref 2006
|
0.4
|
0.2
|
0.4
|
Tachwedd 2006
|
1.9
|
2.0
|
1.7
|
Rhagfyr 2006
|
1.3
|
1.6
|
1.8
|
Ionawr 2007
|
0.5
|
0.6
|
0.4
|
Chwefror 2007
|
0.0
|
0.1
|
0.4
|
Mawrth 2007
|
-0.4
|
-0.5
|
-1.0
|
Ebrill 2007
|
1.2
|
1.4
|
1.4
|
Mai 2007
|
1.4
|
1.7
|
2.1
|
Mehefin 2007
|
0.8
|
0.9
|
1.0
|
Gorffennaf 2007
|
0.8
|
0.4
|
0.4
|
Awst 2007
|
1.4
|
0.9
|
-0.0
|
Medi 2007
|
-0.2
|
-0.5
|
-0.7
|
Hydref 2007
|
0.9
|
0.6
|
0.9
|
Tachwedd 2007
|
0.5
|
0.4
|
0.6
|
Rhagfyr 2007
|
2.0
|
2.2
|
2.5
|
Ionawr 2008
|
-1.8
|
-2.0
|
-2.1
|
Chwefror 2008
|
-1.5
|
-1.6
|
-1.3
|
Mawrth 2008
|
-2.3
|
-2.6
|
-2.6
|
Ebrill 2008
|
-1.4
|
-1.4
|
-1.7
|
Mai 2008
|
-1.0
|
-1.0
|
-1.3
|
Mehefin 2008
|
0.3
|
0.3
|
0.2
|
Gorffennaf 2008
|
0.2
|
0.4
|
0.3
|
Awst 2008
|
-2.5
|
-2.8
|
-3.2
|
Medi 2008
|
-3.8
|
-4.5
|
-4.6
|
Hydref 2008
|
-3.5
|
-3.7
|
-3.6
|
Tachwedd 2008
|
-1.5
|
-1.7
|
-1.5
|
Rhagfyr 2008
|
0.1
|
0.6
|
0.2
|
Ionawr 2009
|
1.2
|
0.8
|
1.3
|
Chwefror 2009
|
-1.7
|
-1.4
|
-0.6
|
Mawrth 2009
|
-2.9
|
-2.8
|
-1.7
|
Ebrill 2009
|
0.2
|
1.1
|
1.0
|
Mai 2009
|
4.1
|
4.3
|
3.9
|
Mehefin 2009
|
2.3
|
2.4
|
1.5
|
Gorffennaf 2009
|
0.5
|
0.4
|
-0.7
|
Awst 2009
|
3.6
|
3.2
|
2.1
|
Medi 2009
|
4.5
|
4.3
|
3.9
|
Hydref 2009
|
0.4
|
0.4
|
0.1
|
Tachwedd 2009
|
-1.3
|
-1.4
|
-1.6
|
Rhagfyr 2009
|
-1.8
|
-1.2
|
-1.8
|
Ionawr 2010
|
3.4
|
3.0
|
2.0
|
Chwefror 2010
|
1.1
|
1.1
|
0.2
|
Mawrth 2010
|
1.7
|
0.8
|
1.1
|
Ebrill 2010
|
0.2
|
0.5
|
1.0
|
Mai 2010
|
0.7
|
0.6
|
1.0
|
Mehefin 2010
|
-0.9
|
-0.8
|
-1.4
|
Gorffennaf 2010
|
1.2
|
0.6
|
-0.1
|
Awst 2010
|
0.5
|
0.7
|
-0.2
|
Medi 2010
|
3.7
|
3.2
|
3.0
|
Hydref 2010
|
1.2
|
1.4
|
1.8
|
Tachwedd 2010
|
-0.3
|
-0.7
|
-0.4
|
Rhagfyr 2010
|
-1.6
|
-1.3
|
-1.3
|
Ionawr 2011
|
-2.6
|
-3.1
|
-3.0
|
Chwefror 2011
|
-0.9
|
-1.3
|
-1.2
|
Mawrth 2011
|
1.0
|
0.1
|
0.3
|
Ebrill 2011
|
2.1
|
2.3
|
2.3
|
Mai 2011
|
0.6
|
1.2
|
2.0
|
Mehefin 2011
|
0.0
|
1.2
|
1.1
|
Gorffennaf 2011
|
0.4
|
0.8
|
1.0
|
Awst 2011
|
1.3
|
1.2
|
-0.2
|
Medi 2011
|
-0.2
|
-0.9
|
-1.4
|
Hydref 2011
|
1.8
|
1.6
|
0.7
|
Tachwedd 2011
|
2.8
|
2.7
|
3.4
|
Rhagfyr 2011
|
0.7
|
1.2
|
1.6
|
Ionawr 2012
|
-0.9
|
-0.5
|
-0.6
|
Chwefror 2012
|
-2.5
|
-2.5
|
-3.1
|
Mawrth 2012
|
-1.1
|
-1.0
|
-1.1
|
Ebrill 2012
|
1.6
|
1.4
|
1.9
|
Mai 2012
|
2.7
|
3.0
|
3.4
|
Mehefin 2012
|
1.0
|
0.9
|
0.7
|
Gorffennaf 2012
|
0.4
|
0.4
|
-0.1
|
Awst 2012
|
-0.2
|
-0.2
|
-0.9
|
Medi 2012
|
3.3
|
3.0
|
2.7
|
Hydref 2012
|
-1.9
|
-1.9
|
-1.7
|
Tachwedd 2012
|
0.7
|
0.6
|
0.9
|
Rhagfyr 2012
|
-0.2
|
-0.2
|
-0.1
|
Ionawr 2013
|
3.9
|
4.0
|
3.3
|
Chwefror 2013
|
-0.2
|
-0.2
|
-0.3
|
Mawrth 2013
|
1.5
|
1.3
|
1.7
|
Ebrill 2013
|
-0.2
|
-0.6
|
0.4
|
Mai 2013
|
1.8
|
1.8
|
2.0
|
Mehefin 2013
|
-0.9
|
-0.4
|
-1.0
|
Gorffennaf 2013
|
0.4
|
0.7
|
0.4
|
Awst 2013
|
0.4
|
0.6
|
0.3
|
Medi 2013
|
0.0
|
-0.5
|
-0.4
|
Hydref 2013
|
1.7
|
1.3
|
1.4
|
Tachwedd 2013
|
-0.1
|
-0.3
|
-0.1
|
Rhagfyr 2013
|
3.7
|
4.2
|
4.5
|
Ionawr 2014
|
-2.1
|
-2.1
|
-2.2
|
Chwefror 2014
|
1.6
|
1.5
|
1.2
|
Mawrth 2014
|
-2.4
|
-2.5
|
-2.7
|
Ebrill 2014
|
4.1
|
4.2
|
4.2
|
Mai 2014
|
2.3
|
2.6
|
2.8
|
Mehefin 2014
|
4.2
|
4.3
|
4.1
|
Gorffennaf 2014
|
0.8
|
1.0
|
0.6
|
Awst 2014
|
0.9
|
0.9
|
0.2
|
Medi 2014
|
0.7
|
0.7
|
0.5
|
Hydref 2014
|
-0.6
|
-0.6
|
-0.6
|
Tachwedd 2014
|
-0.8
|
-0.8
|
-0.6
|
Rhagfyr 2014
|
-1.0
|
-1.1
|
-0.8
|
Ionawr 2015
|
3.0
|
2.8
|
3.0
|
Chwefror 2015
|
1.9
|
1.5
|
2.0
|
Mawrth 2015
|
1.6
|
1.5
|
1.5
|
Ebrill 2015
|
-0.2
|
-0.4
|
-0.4
|
Mai 2015
|
1.4
|
1.8
|
1.7
|
Mehefin 2015
|
2.4
|
2.6
|
2.1
|
Gorffennaf 2015
|
1.1
|
1.5
|
1.5
|
Awst 2015
|
0.8
|
0.8
|
0.5
|
Medi 2015
|
1.0
|
0.5
|
0.6
|
Hydref 2015
|
0.6
|
0.4
|
0.1
|
Tachwedd 2015
|
0.7
|
0.6
|
0.4
|
Rhagfyr 2015
|
2.1
|
2.2
|
2.0
|
Ionawr 2016
|
0.8
|
1.1
|
0.8
|
Chwefror 2016
|
0.8
|
0.8
|
0.6
|
Mawrth 2016
|
-0.5
|
-0.6
|
-0.2
|
Ebrill 2016
|
1.7
|
1.3
|
1.7
|
Mai 2016
|
-1.8
|
-1.8
|
-1.2
|
Mehefin 2016
|
-1.2
|
-1.2
|
-1.1
|
Gorffennaf 2016
|
-0.7
|
-0.5
|
-0.4
|
Awst 2016
|
1.2
|
1.2
|
1.2
|
Medi 2016
|
-0.1
|
0.2
|
-0.0
|
Hydref 2016
|
-6.5
|
-6.8
|
-6.6
|
Tachwedd 2016
|
-0.2
|
-0.6
|
-0.6
|
Rhagfyr 2016
|
0.9
|
0.5
|
0.9
|
Ionawr 2017
|
5.5
|
5.4
|
5.4
|
Chwefror 2017
|
0.1
|
-0.1
|
0.4
|
Mawrth 2017
|
-0.1
|
-0.4
|
-0.3
|
Ebrill 2017
|
1.4
|
0.9
|
1.2
|
Mai 2017
|
1.2
|
1.7
|
1.6
|
Mehefin 2017
|
1.7
|
2.0
|
2.0
|
Gorffennaf 2017
|
2.2
|
2.9
|
2.7
|
Awst 2017
|
1.3
|
0.9
|
0.3
|
Medi 2017
|
-1.5
|
-1.6
|
-1.9
|
Hydref 2017
|
-1.6
|
-2.0
|
-2.3
|
Tachwedd 2017
|
-0.6
|
-0.2
|
-0.4
|
Rhagfyr 2017
|
-1.0
|
-0.8
|
-1.1
|
Ionawr 2018
|
-0.9
|
-0.7
|
-0.4
|
Chwefror 2018
|
-0.3
|
-0.7
|
-0.2
|
Mawrth 2018
|
2.2
|
2.4
|
2.4
|
Ebrill 2018
|
0.7
|
0.8
|
0.3
|
Mai 2018
|
-0.2
|
0.1
|
-0.9
|
Mehefin 2018
|
-0.4
|
-0.4
|
-0.9
|
Gorffennaf 2018
|
1.8
|
1.4
|
1.2
|
Awst 2018
|
1.2
|
1.1
|
1.2
|
Medi 2018
|
-0.6
|
-0.9
|
-1.0
|
Hydref 2018
|
-0.4
|
-0.5
|
-0.3
|
Tachwedd 2018
|
0.9
|
0.6
|
-0.1
|
Rhagfyr 2018
|
1.2
|
1.6
|
1.8
|
Ionawr 2019
|
-1.6
|
-1.6
|
-1.9
|
Chwefror 2019
|
-2.7
|
-2.9
|
-2.4
|
Mawrth 2019
|
-2.0
|
-2.3
|
-2.7
|
Ebrill 2019
|
1.0
|
1.1
|
1.0
|
Mai 2019
|
0.5
|
1.1
|
0.6
|
Mehefin 2019
|
0.8
|
0.9
|
1.0
|
Gorffennaf 2019
|
-0.8
|
-0.6
|
-0.5
|
Awst 2019
|
1.4
|
1.0
|
0.7
|
Medi 2019
|
1.9
|
1.4
|
1.7
|
Hydref 2019
|
1.1
|
1.1
|
0.5
|
Tachwedd 2019
|
-2.3
|
-1.9
|
-2.2
|
Rhagfyr 2019
|
-0.9
|
-0.5
|
-1.2
|
Ionawr 2020
|
-0.6
|
-0.5
|
-0.7
|
Chwefror 2020
|
3.7
|
3.4
|
3.2
|
Mawrth 2020
|
0.2
|
0.0
|
-0.0
|
Ebrill 2020
|
-0.2
|
-0.9
|
-1.3
|
Mai 2020
|
-1.8
|
-2.0
|
-1.7
|
Mehefin 2020
|
0.3
|
0.8
|
0.2
|
Gorffennaf 2020
|
1.3
|
2.0
|
2.2
|
Dyddiad
|
Tai ar wahân
|
Tai pâr
|
Fflatiau a fflatiau deulawr
|
Ionawr 2000
|
32.2
|
30.3
|
31.3
|
Chwefror 2000
|
33.3
|
31.2
|
32.3
|
Mawrth 2000
|
34.8
|
32.6
|
33.5
|
Ebrill 2000
|
36.2
|
34.0
|
35.2
|
Mai 2000
|
37.0
|
34.9
|
36.2
|
Mehefin 2000
|
37.3
|
35.3
|
36.8
|
Gorffennaf 2000
|
37.1
|
35.0
|
36.1
|
Awst 2000
|
38.0
|
35.8
|
37.0
|
Medi 2000
|
38.6
|
36.0
|
37.3
|
Hydref 2000
|
38.9
|
36.3
|
37.7
|
Tachwedd 2000
|
38.1
|
35.4
|
36.9
|
Rhagfyr 2000
|
37.6
|
35.1
|
36.9
|
Ionawr 2001
|
38.3
|
35.7
|
37.8
|
Chwefror 2001
|
39.3
|
36.9
|
38.8
|
Mawrth 2001
|
39.3
|
36.9
|
38.6
|
Ebrill 2001
|
39.8
|
37.4
|
39.2
|
Mai 2001
|
40.0
|
37.6
|
39.6
|
Mehefin 2001
|
40.8
|
38.6
|
40.8
|
Gorffennaf 2001
|
42.0
|
39.6
|
41.9
|
Awst 2001
|
44.2
|
41.6
|
44.0
|
Medi 2001
|
46.0
|
42.9
|
45.4
|
Hydref 2001
|
45.6
|
42.6
|
45.3
|
Tachwedd 2001
|
45.4
|
42.5
|
45.3
|
Rhagfyr 2001
|
44.1
|
41.7
|
44.8
|
Ionawr 2002
|
44.8
|
42.4
|
45.7
|
Chwefror 2002
|
44.2
|
41.9
|
45.3
|
Mawrth 2002
|
46.3
|
43.8
|
47.1
|
Ebrill 2002
|
46.8
|
44.5
|
48.2
|
Mai 2002
|
48.4
|
46.2
|
50.1
|
Mehefin 2002
|
48.9
|
46.8
|
51.0
|
Gorffennaf 2002
|
49.6
|
47.4
|
51.5
|
Awst 2002
|
50.1
|
47.8
|
51.9
|
Medi 2002
|
51.4
|
49.0
|
53.0
|
Hydref 2002
|
51.7
|
49.5
|
53.6
|
Tachwedd 2002
|
53.0
|
50.7
|
55.1
|
Rhagfyr 2002
|
52.1
|
50.2
|
54.8
|
Ionawr 2003
|
52.6
|
50.6
|
55.5
|
Chwefror 2003
|
52.1
|
50.4
|
55.3
|
Mawrth 2003
|
53.1
|
51.2
|
56.1
|
Ebrill 2003
|
52.6
|
51.1
|
55.9
|
Mai 2003
|
52.0
|
50.7
|
55.5
|
Mehefin 2003
|
51.8
|
50.8
|
56.0
|
Gorffennaf 2003
|
52.6
|
51.7
|
56.7
|
Awst 2003
|
53.1
|
52.1
|
57.1
|
Medi 2003
|
53.6
|
52.8
|
57.4
|
Hydref 2003
|
53.6
|
52.8
|
57.6
|
Tachwedd 2003
|
54.5
|
53.8
|
58.8
|
Rhagfyr 2003
|
53.7
|
53.3
|
58.6
|
Ionawr 2004
|
54.3
|
53.9
|
59.2
|
Chwefror 2004
|
53.2
|
52.9
|
58.3
|
Mawrth 2004
|
52.9
|
52.4
|
57.7
|
Ebrill 2004
|
52.9
|
53.0
|
58.4
|
Mai 2004
|
53.2
|
53.6
|
59.2
|
Mehefin 2004
|
54.2
|
55.1
|
60.9
|
Gorffennaf 2004
|
54.0
|
55.0
|
60.6
|
Awst 2004
|
55.6
|
56.5
|
62.2
|
Medi 2004
|
57.3
|
58.1
|
63.7
|
Hydref 2004
|
57.8
|
58.5
|
64.5
|
Tachwedd 2004
|
57.6
|
58.3
|
64.5
|
Rhagfyr 2004
|
56.1
|
56.9
|
63.4
|
Ionawr 2005
|
56.3
|
57.1
|
63.7
|
Chwefror 2005
|
54.1
|
55.0
|
61.2
|
Mawrth 2005
|
54.8
|
55.7
|
61.7
|
Ebrill 2005
|
54.6
|
55.8
|
61.8
|
Mai 2005
|
55.7
|
57.0
|
63.3
|
Mehefin 2005
|
54.6
|
56.1
|
62.3
|
Gorffennaf 2005
|
55.2
|
56.7
|
62.8
|
Awst 2005
|
56.2
|
57.7
|
63.6
|
Medi 2005
|
57.6
|
59.0
|
64.8
|
Hydref 2005
|
57.3
|
58.5
|
64.7
|
Tachwedd 2005
|
56.8
|
58.2
|
64.4
|
Rhagfyr 2005
|
55.5
|
57.1
|
63.6
|
Ionawr 2006
|
55.7
|
57.2
|
63.5
|
Chwefror 2006
|
56.5
|
58.0
|
64.6
|
Mawrth 2006
|
58.7
|
60.1
|
66.6
|
Ebrill 2006
|
59.7
|
61.4
|
68.2
|
Mai 2006
|
61.7
|
63.5
|
70.3
|
Mehefin 2006
|
61.4
|
63.4
|
70.2
|
Gorffennaf 2006
|
62.8
|
64.7
|
71.2
|
Awst 2006
|
62.2
|
64.0
|
70.1
|
Medi 2006
|
63.8
|
65.5
|
71.4
|
Hydref 2006
|
64.0
|
65.7
|
71.7
|
Tachwedd 2006
|
65.3
|
67.0
|
73.0
|
Rhagfyr 2006
|
66.1
|
68.0
|
74.3
|
Ionawr 2007
|
66.5
|
68.4
|
74.5
|
Chwefror 2007
|
66.5
|
68.4
|
74.8
|
Mawrth 2007
|
66.2
|
68.1
|
74.1
|
Ebrill 2007
|
67.0
|
69.0
|
75.1
|
Mai 2007
|
68.0
|
70.2
|
76.7
|
Mehefin 2007
|
68.5
|
70.9
|
77.5
|
Gorffennaf 2007
|
69.0
|
71.2
|
77.8
|
Awst 2007
|
70.0
|
71.8
|
77.8
|
Medi 2007
|
69.9
|
71.5
|
77.2
|
Hydref 2007
|
70.5
|
71.9
|
77.9
|
Tachwedd 2007
|
70.8
|
72.2
|
78.4
|
Rhagfyr 2007
|
72.3
|
73.8
|
80.4
|
Ionawr 2008
|
71.0
|
72.3
|
78.7
|
Chwefror 2008
|
69.9
|
71.2
|
77.7
|
Mawrth 2008
|
68.3
|
69.3
|
75.6
|
Ebrill 2008
|
67.3
|
68.3
|
74.3
|
Mai 2008
|
66.6
|
67.7
|
73.3
|
Mehefin 2008
|
66.8
|
67.9
|
73.5
|
Gorffennaf 2008
|
67.0
|
68.2
|
73.7
|
Awst 2008
|
65.3
|
66.3
|
71.3
|
Medi 2008
|
62.8
|
63.3
|
68.0
|
Hydref 2008
|
60.6
|
61.0
|
65.6
|
Tachwedd 2008
|
59.7
|
59.9
|
64.6
|
Rhagfyr 2008
|
59.7
|
60.3
|
64.8
|
Ionawr 2009
|
60.5
|
60.7
|
65.6
|
Chwefror 2009
|
59.4
|
59.9
|
65.2
|
Mawrth 2009
|
57.7
|
58.2
|
64.1
|
Ebrill 2009
|
57.8
|
58.8
|
64.7
|
Mai 2009
|
60.2
|
61.4
|
67.3
|
Mehefin 2009
|
61.6
|
62.9
|
68.3
|
Gorffennaf 2009
|
61.9
|
63.2
|
67.8
|
Awst 2009
|
64.1
|
65.2
|
69.3
|
Medi 2009
|
67.0
|
68.0
|
72.0
|
Hydref 2009
|
67.3
|
68.2
|
72.0
|
Tachwedd 2009
|
66.4
|
67.3
|
70.9
|
Rhagfyr 2009
|
65.2
|
66.5
|
69.6
|
Ionawr 2010
|
67.5
|
68.5
|
71.0
|
Chwefror 2010
|
68.2
|
69.2
|
71.1
|
Mawrth 2010
|
69.3
|
69.8
|
71.9
|
Ebrill 2010
|
69.5
|
70.1
|
72.6
|
Mai 2010
|
70.0
|
70.5
|
73.4
|
Mehefin 2010
|
69.4
|
70.0
|
72.4
|
Gorffennaf 2010
|
70.2
|
70.4
|
72.3
|
Awst 2010
|
70.6
|
70.9
|
72.2
|
Medi 2010
|
73.2
|
73.2
|
74.4
|
Hydref 2010
|
74.1
|
74.2
|
75.7
|
Tachwedd 2010
|
73.8
|
73.7
|
75.4
|
Rhagfyr 2010
|
72.7
|
72.7
|
74.4
|
Ionawr 2011
|
70.8
|
70.5
|
72.2
|
Chwefror 2011
|
70.1
|
69.6
|
71.4
|
Mawrth 2011
|
70.8
|
69.6
|
71.5
|
Ebrill 2011
|
72.3
|
71.2
|
73.2
|
Mai 2011
|
72.7
|
72.0
|
74.6
|
Mehefin 2011
|
72.8
|
72.9
|
75.5
|
Gorffennaf 2011
|
73.0
|
73.4
|
76.3
|
Awst 2011
|
74.0
|
74.3
|
76.2
|
Medi 2011
|
73.8
|
73.6
|
75.1
|
Hydref 2011
|
75.1
|
74.8
|
75.6
|
Tachwedd 2011
|
77.3
|
76.8
|
78.2
|
Rhagfyr 2011
|
77.8
|
77.8
|
79.4
|
Ionawr 2012
|
77.2
|
77.4
|
78.9
|
Chwefror 2012
|
75.2
|
75.5
|
76.5
|
Mawrth 2012
|
74.4
|
74.7
|
75.6
|
Ebrill 2012
|
75.6
|
75.8
|
77.0
|
Mai 2012
|
77.7
|
78.0
|
79.6
|
Mehefin 2012
|
78.4
|
78.7
|
80.2
|
Gorffennaf 2012
|
78.7
|
79.0
|
80.1
|
Awst 2012
|
78.5
|
78.9
|
79.4
|
Medi 2012
|
81.1
|
81.2
|
81.6
|
Hydref 2012
|
79.5
|
79.7
|
80.1
|
Tachwedd 2012
|
80.1
|
80.2
|
80.9
|
Rhagfyr 2012
|
79.9
|
80.0
|
80.8
|
Ionawr 2013
|
83.1
|
83.2
|
83.4
|
Chwefror 2013
|
83.0
|
83.1
|
83.2
|
Mawrth 2013
|
84.2
|
84.1
|
84.6
|
Ebrill 2013
|
84.0
|
83.7
|
85.0
|
Mai 2013
|
85.5
|
85.2
|
86.7
|
Mehefin 2013
|
84.7
|
84.8
|
85.8
|
Gorffennaf 2013
|
85.0
|
85.4
|
86.1
|
Awst 2013
|
85.4
|
85.9
|
86.4
|
Medi 2013
|
85.4
|
85.5
|
86.0
|
Hydref 2013
|
86.9
|
86.6
|
87.2
|
Tachwedd 2013
|
86.8
|
86.4
|
87.2
|
Rhagfyr 2013
|
90.0
|
90.0
|
91.1
|
Ionawr 2014
|
88.1
|
88.1
|
89.0
|
Chwefror 2014
|
89.6
|
89.4
|
90.2
|
Mawrth 2014
|
87.4
|
87.2
|
87.8
|
Ebrill 2014
|
91.0
|
90.9
|
91.4
|
Mai 2014
|
93.2
|
93.2
|
94.0
|
Mehefin 2014
|
97.1
|
97.2
|
97.8
|
Gorffennaf 2014
|
97.9
|
98.2
|
98.5
|
Awst 2014
|
98.8
|
99.0
|
98.6
|
Medi 2014
|
99.5
|
99.8
|
99.1
|
Hydref 2014
|
98.9
|
99.1
|
98.6
|
Tachwedd 2014
|
98.1
|
98.4
|
97.9
|
Rhagfyr 2014
|
97.1
|
97.2
|
97.1
|
Ionawr 2015
|
100.0
|
100.0
|
100.0
|
Chwefror 2015
|
101.9
|
101.5
|
102.0
|
Mawrth 2015
|
103.5
|
103.0
|
103.6
|
Ebrill 2015
|
103.3
|
102.7
|
103.1
|
Mai 2015
|
104.8
|
104.5
|
104.9
|
Mehefin 2015
|
107.2
|
107.3
|
107.1
|
Gorffennaf 2015
|
108.4
|
108.9
|
108.7
|
Awst 2015
|
109.3
|
109.8
|
109.3
|
Medi 2015
|
110.4
|
110.3
|
109.9
|
Hydref 2015
|
111.0
|
110.8
|
110.0
|
Tachwedd 2015
|
111.7
|
111.4
|
110.5
|
Rhagfyr 2015
|
114.1
|
113.9
|
112.8
|
Ionawr 2016
|
115.0
|
115.1
|
113.7
|
Chwefror 2016
|
115.9
|
116.0
|
114.4
|
Mawrth 2016
|
115.3
|
115.3
|
114.3
|
Ebrill 2016
|
117.2
|
116.9
|
116.2
|
Mai 2016
|
115.1
|
114.8
|
114.8
|
Mehefin 2016
|
113.7
|
113.5
|
113.6
|
Gorffennaf 2016
|
112.9
|
113.0
|
113.1
|
Awst 2016
|
114.3
|
114.3
|
114.4
|
Medi 2016
|
114.2
|
114.5
|
114.4
|
Hydref 2016
|
106.8
|
106.7
|
106.9
|
Tachwedd 2016
|
106.6
|
106.0
|
106.2
|
Rhagfyr 2016
|
107.5
|
106.6
|
107.2
|
Ionawr 2017
|
113.5
|
112.3
|
113.0
|
Chwefror 2017
|
113.5
|
112.2
|
113.4
|
Mawrth 2017
|
113.5
|
111.7
|
113.0
|
Ebrill 2017
|
115.0
|
112.8
|
114.4
|
Mai 2017
|
116.4
|
114.6
|
116.2
|
Mehefin 2017
|
118.4
|
117.0
|
118.5
|
Gorffennaf 2017
|
121.0
|
120.3
|
121.7
|
Awst 2017
|
122.6
|
121.4
|
122.1
|
Medi 2017
|
120.8
|
119.5
|
119.8
|
Hydref 2017
|
118.8
|
117.1
|
117.0
|
Tachwedd 2017
|
118.1
|
116.8
|
116.4
|
Rhagfyr 2017
|
117.0
|
115.8
|
115.1
|
Ionawr 2018
|
116.0
|
115.0
|
114.6
|
Chwefror 2018
|
115.6
|
114.2
|
114.4
|
Mawrth 2018
|
118.0
|
116.9
|
117.2
|
Ebrill 2018
|
118.9
|
117.8
|
117.5
|
Mai 2018
|
118.7
|
117.9
|
116.4
|
Mehefin 2018
|
118.2
|
117.4
|
115.4
|
Gorffennaf 2018
|
120.4
|
119.1
|
116.7
|
Awst 2018
|
121.8
|
120.4
|
118.1
|
Medi 2018
|
121.1
|
119.4
|
116.9
|
Hydref 2018
|
120.6
|
118.8
|
116.6
|
Tachwedd 2018
|
121.6
|
119.5
|
116.5
|
Rhagfyr 2018
|
123.1
|
121.4
|
118.6
|
Ionawr 2019
|
121.2
|
119.5
|
116.4
|
Chwefror 2019
|
117.9
|
116.0
|
113.6
|
Mawrth 2019
|
115.6
|
113.3
|
110.6
|
Ebrill 2019
|
116.7
|
114.6
|
111.7
|
Mai 2019
|
117.4
|
115.8
|
112.4
|
Mehefin 2019
|
118.2
|
116.9
|
113.5
|
Gorffennaf 2019
|
117.3
|
116.2
|
113.0
|
Awst 2019
|
118.9
|
117.4
|
113.8
|
Medi 2019
|
121.1
|
119.1
|
115.7
|
Hydref 2019
|
122.4
|
120.4
|
116.3
|
Tachwedd 2019
|
119.6
|
118.2
|
113.7
|
Rhagfyr 2019
|
118.5
|
117.6
|
112.4
|
Ionawr 2020
|
117.8
|
117.0
|
111.6
|
Chwefror 2020
|
122.1
|
120.9
|
115.2
|
Mawrth 2020
|
122.4
|
120.9
|
115.2
|
Ebrill 2020
|
122.2
|
119.8
|
113.6
|
Mai 2020
|
120.0
|
117.5
|
111.7
|
Mehefin 2020
|
120.4
|
118.4
|
112.0
|
Gorffennaf 2020
|
121.9
|
120.8
|
114.4
|
Statws y prynwr
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol yn ôl y math o brynwr e.e. Prynwr am y Tro Cyntaf neu Gyn Berchen-Feddiannydd
Statws cyllido
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol a nifer y gwerthiannau yn ôl statws cyllido, e.e. Arian Parod/Morgais
Dyddiad
|
Pryniannau morgais
|
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
|
293417.0
|
Chwefror 2012
|
286803.0
|
Mawrth 2012
|
282775.0
|
Ebrill 2012
|
287426.0
|
Mai 2012
|
296512.0
|
Mehefin 2012
|
299664.0
|
Gorffennaf 2012
|
300659.0
|
Awst 2012
|
299770.0
|
Medi 2012
|
308410.0
|
Hydref 2012
|
302587.0
|
Tachwedd 2012
|
304569.0
|
Rhagfyr 2012
|
303847.0
|
Ionawr 2013
|
314970.0
|
Chwefror 2013
|
314166.0
|
Mawrth 2013
|
318691.0
|
Ebrill 2013
|
318645.0
|
Mai 2013
|
324774.0
|
Mehefin 2013
|
322782.0
|
Gorffennaf 2013
|
324689.0
|
Awst 2013
|
326220.0
|
Medi 2013
|
324666.0
|
Hydref 2013
|
328764.0
|
Tachwedd 2013
|
328170.0
|
Rhagfyr 2013
|
342041.0
|
Ionawr 2014
|
334658.0
|
Chwefror 2014
|
339152.0
|
Mawrth 2014
|
330566.0
|
Ebrill 2014
|
344586.0
|
Mai 2014
|
354057.0
|
Mehefin 2014
|
369173.0
|
Gorffennaf 2014
|
372318.0
|
Awst 2014
|
374556.0
|
Medi 2014
|
376811.0
|
Hydref 2014
|
374195.0
|
Tachwedd 2014
|
371250.0
|
Rhagfyr 2014
|
367383.0
|
Ionawr 2015
|
377932.0
|
Chwefror 2015
|
384481.0
|
Mawrth 2015
|
390044.0
|
Ebrill 2015
|
388744.0
|
Mai 2015
|
395286.0
|
Mehefin 2015
|
405433.0
|
Gorffennaf 2015
|
411324.0
|
Awst 2015
|
414691.0
|
Medi 2015
|
416672.0
|
Hydref 2015
|
417938.0
|
Tachwedd 2015
|
419792.0
|
Rhagfyr 2015
|
428675.0
|
Ionawr 2016
|
432438.0
|
Chwefror 2016
|
435313.0
|
Mawrth 2016
|
433472.0
|
Ebrill 2016
|
440363.0
|
Mai 2016
|
433800.0
|
Mehefin 2016
|
428865.0
|
Gorffennaf 2016
|
426912.0
|
Awst 2016
|
431911.0
|
Medi 2016
|
432110.0
|
Hydref 2016
|
402349.0
|
Tachwedd 2016
|
399435.0
|
Rhagfyr 2016
|
401899.0
|
Ionawr 2017
|
423914.0
|
Chwefror 2017
|
424693.0
|
Mawrth 2017
|
423215.0
|
Ebrill 2017
|
427685.0
|
Mai 2017
|
434177.0
|
Mehefin 2017
|
443074.0
|
Gorffennaf 2017
|
455037.0
|
Awst 2017
|
459048.0
|
Medi 2017
|
451008.0
|
Hydref 2017
|
441239.0
|
Tachwedd 2017
|
439381.0
|
Rhagfyr 2017
|
435271.0
|
Ionawr 2018
|
432778.0
|
Chwefror 2018
|
430532.0
|
Mawrth 2018
|
440676.0
|
Ebrill 2018
|
443493.0
|
Mai 2018
|
442276.0
|
Mehefin 2018
|
439248.0
|
Gorffennaf 2018
|
445200.0
|
Awst 2018
|
450353.0
|
Medi 2018
|
446674.0
|
Hydref 2018
|
444621.0
|
Tachwedd 2018
|
446135.0
|
Rhagfyr 2018
|
452668.0
|
Ionawr 2019
|
444957.0
|
Chwefror 2019
|
432956.0
|
Mawrth 2019
|
423153.0
|
Ebrill 2019
|
428184.0
|
Mai 2019
|
432435.0
|
Mehefin 2019
|
436310.0
|
Gorffennaf 2019
|
433708.0
|
Awst 2019
|
437917.0
|
Medi 2019
|
445467.0
|
Hydref 2019
|
449272.0
|
Tachwedd 2019
|
439453.0
|
Rhagfyr 2019
|
435658.0
|
Ionawr 2020
|
433479.0
|
Chwefror 2020
|
448315.0
|
Mawrth 2020
|
448564.0
|
Ebrill 2020
|
444663.0
|
Mai 2020
|
436019.0
|
Mehefin 2020
|
438742.0
|
Gorffennaf 2020
|
447537.0
|
Dyddiad
|
Pryniannau morgais
|
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
|
7.4
|
Chwefror 2013
|
9.5
|
Mawrth 2013
|
12.7
|
Ebrill 2013
|
10.9
|
Mai 2013
|
9.5
|
Mehefin 2013
|
7.7
|
Gorffennaf 2013
|
8.0
|
Awst 2013
|
8.8
|
Medi 2013
|
5.3
|
Hydref 2013
|
8.6
|
Tachwedd 2013
|
7.8
|
Rhagfyr 2013
|
12.6
|
Ionawr 2014
|
6.2
|
Chwefror 2014
|
8.0
|
Mawrth 2014
|
3.7
|
Ebrill 2014
|
8.1
|
Mai 2014
|
9.0
|
Mehefin 2014
|
14.4
|
Gorffennaf 2014
|
14.7
|
Awst 2014
|
14.8
|
Medi 2014
|
16.1
|
Hydref 2014
|
13.8
|
Tachwedd 2014
|
13.1
|
Rhagfyr 2014
|
7.4
|
Ionawr 2015
|
12.9
|
Chwefror 2015
|
13.4
|
Mawrth 2015
|
18.0
|
Ebrill 2015
|
12.8
|
Mai 2015
|
11.6
|
Mehefin 2015
|
9.8
|
Gorffennaf 2015
|
10.5
|
Awst 2015
|
10.7
|
Medi 2015
|
10.6
|
Hydref 2015
|
11.7
|
Tachwedd 2015
|
13.1
|
Rhagfyr 2015
|
16.7
|
Ionawr 2016
|
14.4
|
Chwefror 2016
|
13.2
|
Mawrth 2016
|
11.1
|
Ebrill 2016
|
13.3
|
Mai 2016
|
9.7
|
Mehefin 2016
|
5.8
|
Gorffennaf 2016
|
3.8
|
Awst 2016
|
4.2
|
Medi 2016
|
3.7
|
Hydref 2016
|
-3.7
|
Tachwedd 2016
|
-4.8
|
Rhagfyr 2016
|
-6.2
|
Ionawr 2017
|
-2.0
|
Chwefror 2017
|
-2.4
|
Mawrth 2017
|
-2.4
|
Ebrill 2017
|
-1.4
|
Mai 2017
|
0.8
|
Mehefin 2017
|
3.3
|
Gorffennaf 2017
|
6.6
|
Awst 2017
|
6.3
|
Medi 2017
|
4.4
|
Hydref 2017
|
9.7
|
Tachwedd 2017
|
10.0
|
Rhagfyr 2017
|
8.3
|
Ionawr 2018
|
2.1
|
Chwefror 2018
|
1.4
|
Mawrth 2018
|
4.1
|
Ebrill 2018
|
3.7
|
Mai 2018
|
1.9
|
Mehefin 2018
|
-0.9
|
Gorffennaf 2018
|
-2.2
|
Awst 2018
|
-1.9
|
Medi 2018
|
-1.0
|
Hydref 2018
|
0.8
|
Tachwedd 2018
|
1.5
|
Rhagfyr 2018
|
4.0
|
Ionawr 2019
|
2.8
|
Chwefror 2019
|
0.6
|
Mawrth 2019
|
-4.0
|
Ebrill 2019
|
-3.4
|
Mai 2019
|
-2.2
|
Mehefin 2019
|
-0.7
|
Gorffennaf 2019
|
-2.6
|
Awst 2019
|
-2.8
|
Medi 2019
|
-0.3
|
Hydref 2019
|
1.0
|
Tachwedd 2019
|
-1.5
|
Rhagfyr 2019
|
-3.8
|
Ionawr 2020
|
-2.6
|
Chwefror 2020
|
3.6
|
Mawrth 2020
|
6.0
|
Ebrill 2020
|
3.8
|
Mai 2020
|
0.8
|
Mehefin 2020
|
0.6
|
Gorffennaf 2020
|
3.2
|
Dyddiad
|
Pryniannau morgais
|
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
|
-2.2
|
Mawrth 2012
|
-1.4
|
Ebrill 2012
|
1.6
|
Mai 2012
|
3.2
|
Mehefin 2012
|
1.1
|
Gorffennaf 2012
|
0.3
|
Awst 2012
|
-0.3
|
Medi 2012
|
2.9
|
Hydref 2012
|
-1.9
|
Tachwedd 2012
|
0.6
|
Rhagfyr 2012
|
-0.2
|
Ionawr 2013
|
3.7
|
Chwefror 2013
|
-0.3
|
Mawrth 2013
|
1.4
|
Ebrill 2013
|
-0.0
|
Mai 2013
|
1.9
|
Mehefin 2013
|
-0.6
|
Gorffennaf 2013
|
0.6
|
Awst 2013
|
0.5
|
Medi 2013
|
-0.5
|
Hydref 2013
|
1.3
|
Tachwedd 2013
|
-0.2
|
Rhagfyr 2013
|
4.2
|
Ionawr 2014
|
-2.2
|
Chwefror 2014
|
1.3
|
Mawrth 2014
|
-2.5
|
Ebrill 2014
|
4.2
|
Mai 2014
|
2.8
|
Mehefin 2014
|
4.3
|
Gorffennaf 2014
|
0.8
|
Awst 2014
|
0.6
|
Medi 2014
|
0.6
|
Hydref 2014
|
-0.7
|
Tachwedd 2014
|
-0.8
|
Rhagfyr 2014
|
-1.0
|
Ionawr 2015
|
2.9
|
Chwefror 2015
|
1.7
|
Mawrth 2015
|
1.4
|
Ebrill 2015
|
-0.3
|
Mai 2015
|
1.7
|
Mehefin 2015
|
2.6
|
Gorffennaf 2015
|
1.4
|
Awst 2015
|
0.8
|
Medi 2015
|
0.5
|
Hydref 2015
|
0.3
|
Tachwedd 2015
|
0.4
|
Rhagfyr 2015
|
2.1
|
Ionawr 2016
|
0.9
|
Chwefror 2016
|
0.7
|
Mawrth 2016
|
-0.4
|
Ebrill 2016
|
1.6
|
Mai 2016
|
-1.5
|
Mehefin 2016
|
-1.1
|
Gorffennaf 2016
|
-0.5
|
Awst 2016
|
1.2
|
Medi 2016
|
0.1
|
Hydref 2016
|
-6.9
|
Tachwedd 2016
|
-0.7
|
Rhagfyr 2016
|
0.6
|
Ionawr 2017
|
5.5
|
Chwefror 2017
|
0.2
|
Mawrth 2017
|
-0.4
|
Ebrill 2017
|
1.1
|
Mai 2017
|
1.5
|
Mehefin 2017
|
2.0
|
Gorffennaf 2017
|
2.7
|
Awst 2017
|
0.9
|
Medi 2017
|
-1.8
|
Hydref 2017
|
-2.2
|
Tachwedd 2017
|
-0.4
|
Rhagfyr 2017
|
-0.9
|
Ionawr 2018
|
-0.6
|
Chwefror 2018
|
-0.5
|
Mawrth 2018
|
2.4
|
Ebrill 2018
|
0.6
|
Mai 2018
|
-0.3
|
Mehefin 2018
|
-0.7
|
Gorffennaf 2018
|
1.4
|
Awst 2018
|
1.2
|
Medi 2018
|
-0.8
|
Hydref 2018
|
-0.5
|
Tachwedd 2018
|
0.3
|
Rhagfyr 2018
|
1.5
|
Ionawr 2019
|
-1.7
|
Chwefror 2019
|
-2.7
|
Mawrth 2019
|
-2.3
|
Ebrill 2019
|
1.2
|
Mai 2019
|
1.0
|
Mehefin 2019
|
0.9
|
Gorffennaf 2019
|
-0.6
|
Awst 2019
|
1.0
|
Medi 2019
|
1.7
|
Hydref 2019
|
0.8
|
Tachwedd 2019
|
-2.2
|
Rhagfyr 2019
|
-0.9
|
Ionawr 2020
|
-0.5
|
Chwefror 2020
|
3.4
|
Mawrth 2020
|
0.1
|
Ebrill 2020
|
-0.9
|
Mai 2020
|
-1.9
|
Mehefin 2020
|
0.6
|
Gorffennaf 2020
|
2.0
|
Dyddiad
|
Pryniannau morgais
|
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
|
77.6
|
Chwefror 2012
|
75.9
|
Mawrth 2012
|
74.8
|
Ebrill 2012
|
76.0
|
Mai 2012
|
78.5
|
Mehefin 2012
|
79.3
|
Gorffennaf 2012
|
79.6
|
Awst 2012
|
79.3
|
Medi 2012
|
81.6
|
Hydref 2012
|
80.1
|
Tachwedd 2012
|
80.6
|
Rhagfyr 2012
|
80.4
|
Ionawr 2013
|
83.3
|
Chwefror 2013
|
83.1
|
Mawrth 2013
|
84.3
|
Ebrill 2013
|
84.3
|
Mai 2013
|
85.9
|
Mehefin 2013
|
85.4
|
Gorffennaf 2013
|
85.9
|
Awst 2013
|
86.3
|
Medi 2013
|
85.9
|
Hydref 2013
|
87.0
|
Tachwedd 2013
|
86.8
|
Rhagfyr 2013
|
90.5
|
Ionawr 2014
|
88.6
|
Chwefror 2014
|
89.7
|
Mawrth 2014
|
87.5
|
Ebrill 2014
|
91.2
|
Mai 2014
|
93.7
|
Mehefin 2014
|
97.7
|
Gorffennaf 2014
|
98.5
|
Awst 2014
|
99.1
|
Medi 2014
|
99.7
|
Hydref 2014
|
99.0
|
Tachwedd 2014
|
98.2
|
Rhagfyr 2014
|
97.2
|
Ionawr 2015
|
100.0
|
Chwefror 2015
|
101.7
|
Mawrth 2015
|
103.2
|
Ebrill 2015
|
102.9
|
Mai 2015
|
104.6
|
Mehefin 2015
|
107.3
|
Gorffennaf 2015
|
108.8
|
Awst 2015
|
109.7
|
Medi 2015
|
110.2
|
Hydref 2015
|
110.6
|
Tachwedd 2015
|
111.1
|
Rhagfyr 2015
|
113.4
|
Ionawr 2016
|
114.4
|
Chwefror 2016
|
115.2
|
Mawrth 2016
|
114.7
|
Ebrill 2016
|
116.5
|
Mai 2016
|
114.8
|
Mehefin 2016
|
113.5
|
Gorffennaf 2016
|
113.0
|
Awst 2016
|
114.3
|
Medi 2016
|
114.3
|
Hydref 2016
|
106.5
|
Tachwedd 2016
|
105.7
|
Rhagfyr 2016
|
106.3
|
Ionawr 2017
|
112.2
|
Chwefror 2017
|
112.4
|
Mawrth 2017
|
112.0
|
Ebrill 2017
|
113.2
|
Mai 2017
|
114.9
|
Mehefin 2017
|
117.2
|
Gorffennaf 2017
|
120.4
|
Awst 2017
|
121.5
|
Medi 2017
|
119.3
|
Hydref 2017
|
116.8
|
Tachwedd 2017
|
116.3
|
Rhagfyr 2017
|
115.2
|
Ionawr 2018
|
114.5
|
Chwefror 2018
|
113.9
|
Mawrth 2018
|
116.6
|
Ebrill 2018
|
117.4
|
Mai 2018
|
117.0
|
Mehefin 2018
|
116.2
|
Gorffennaf 2018
|
117.8
|
Awst 2018
|
119.2
|
Medi 2018
|
118.2
|
Hydref 2018
|
117.6
|
Tachwedd 2018
|
118.0
|
Rhagfyr 2018
|
119.8
|
Ionawr 2019
|
117.7
|
Chwefror 2019
|
114.6
|
Mawrth 2019
|
112.0
|
Ebrill 2019
|
113.3
|
Mai 2019
|
114.4
|
Mehefin 2019
|
115.4
|
Gorffennaf 2019
|
114.8
|
Awst 2019
|
115.9
|
Medi 2019
|
117.9
|
Hydref 2019
|
118.9
|
Tachwedd 2019
|
116.3
|
Rhagfyr 2019
|
115.3
|
Ionawr 2020
|
114.7
|
Chwefror 2020
|
118.6
|
Mawrth 2020
|
118.7
|
Ebrill 2020
|
117.7
|
Mai 2020
|
115.4
|
Mehefin 2020
|
116.1
|
Gorffennaf 2020
|
118.4
|
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