Cysylltau cyflym:
yn ôl math o eiddo
yn ôl statws y prynwr
yn ôl statws cyllido
yn ôl statws yr eiddo
Ystadegau Prisiau Tai
Math o eiddo
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol ar gyfer pob math o eiddo neu ganolbwyntio ar un penodol.
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai pâr
|
Ionawr 2000
|
114608.0
|
232093.0
|
131329.0
|
Chwefror 2000
|
118261.0
|
239309.0
|
135302.0
|
Mawrth 2000
|
123269.0
|
250266.0
|
141220.0
|
Ebrill 2000
|
129048.0
|
260325.0
|
147503.0
|
Mai 2000
|
132285.0
|
266157.0
|
151424.0
|
Mehefin 2000
|
133826.0
|
268362.0
|
153148.0
|
Gorffennaf 2000
|
132108.0
|
266745.0
|
151525.0
|
Awst 2000
|
135028.0
|
273688.0
|
154977.0
|
Medi 2000
|
136072.0
|
278065.0
|
156008.0
|
Hydref 2000
|
137235.0
|
280239.0
|
157552.0
|
Tachwedd 2000
|
133935.0
|
274355.0
|
153532.0
|
Rhagfyr 2000
|
133028.0
|
270853.0
|
152333.0
|
Ionawr 2001
|
135679.0
|
275454.0
|
154876.0
|
Chwefror 2001
|
139968.0
|
282730.0
|
159841.0
|
Mawrth 2001
|
139997.0
|
282886.0
|
160132.0
|
Ebrill 2001
|
142125.0
|
286765.0
|
162236.0
|
Mai 2001
|
143112.0
|
287580.0
|
163075.0
|
Mehefin 2001
|
146981.0
|
293909.0
|
167220.0
|
Gorffennaf 2001
|
150868.0
|
301936.0
|
171874.0
|
Awst 2001
|
158279.0
|
317988.0
|
180184.0
|
Medi 2001
|
163734.0
|
331014.0
|
186161.0
|
Hydref 2001
|
162544.0
|
328520.0
|
184865.0
|
Tachwedd 2001
|
161860.0
|
326793.0
|
184399.0
|
Rhagfyr 2001
|
158436.0
|
317345.0
|
180674.0
|
Ionawr 2002
|
161327.0
|
322720.0
|
183989.0
|
Chwefror 2002
|
159636.0
|
317952.0
|
181711.0
|
Mawrth 2002
|
166906.0
|
332998.0
|
190038.0
|
Ebrill 2002
|
169814.0
|
337000.0
|
192948.0
|
Mai 2002
|
176159.0
|
348447.0
|
200329.0
|
Mehefin 2002
|
178735.0
|
351797.0
|
202751.0
|
Gorffennaf 2002
|
181074.0
|
356856.0
|
205424.0
|
Awst 2002
|
182792.0
|
360395.0
|
207136.0
|
Medi 2002
|
187231.0
|
369806.0
|
212587.0
|
Hydref 2002
|
188602.0
|
371883.0
|
214644.0
|
Tachwedd 2002
|
193266.0
|
381638.0
|
219922.0
|
Rhagfyr 2002
|
191028.0
|
375173.0
|
217533.0
|
Ionawr 2003
|
193201.0
|
378437.0
|
219221.0
|
Chwefror 2003
|
192296.0
|
374608.0
|
218487.0
|
Mawrth 2003
|
195420.0
|
381796.0
|
221895.0
|
Ebrill 2003
|
194316.0
|
378143.0
|
221341.0
|
Mai 2003
|
192888.0
|
373942.0
|
219831.0
|
Mehefin 2003
|
193287.0
|
372626.0
|
220032.0
|
Gorffennaf 2003
|
196872.0
|
378862.0
|
224088.0
|
Awst 2003
|
198553.0
|
382029.0
|
226033.0
|
Medi 2003
|
200737.0
|
386007.0
|
228971.0
|
Hydref 2003
|
200902.0
|
385539.0
|
228947.0
|
Tachwedd 2003
|
204865.0
|
392328.0
|
233476.0
|
Rhagfyr 2003
|
203118.0
|
386180.0
|
231233.0
|
Ionawr 2004
|
205082.0
|
390563.0
|
233678.0
|
Chwefror 2004
|
201603.0
|
382725.0
|
229334.0
|
Mawrth 2004
|
200151.0
|
380601.0
|
227195.0
|
Ebrill 2004
|
202499.0
|
380756.0
|
229537.0
|
Mai 2004
|
205274.0
|
382660.0
|
232427.0
|
Mehefin 2004
|
210962.0
|
390419.0
|
239031.0
|
Gorffennaf 2004
|
210051.0
|
388483.0
|
238470.0
|
Awst 2004
|
215634.0
|
400100.0
|
244984.0
|
Medi 2004
|
221340.0
|
412538.0
|
251962.0
|
Hydref 2004
|
223318.0
|
416264.0
|
253493.0
|
Tachwedd 2004
|
222646.0
|
414578.0
|
252593.0
|
Rhagfyr 2004
|
218030.0
|
403394.0
|
246613.0
|
Ionawr 2005
|
219263.0
|
405068.0
|
247375.0
|
Chwefror 2005
|
211196.0
|
389488.0
|
238446.0
|
Mawrth 2005
|
213647.0
|
394116.0
|
241291.0
|
Ebrill 2005
|
213925.0
|
392656.0
|
242072.0
|
Mai 2005
|
218717.0
|
400816.0
|
247001.0
|
Mehefin 2005
|
215581.0
|
393054.0
|
243232.0
|
Gorffennaf 2005
|
217541.0
|
397146.0
|
245959.0
|
Awst 2005
|
221082.0
|
404252.0
|
250021.0
|
Medi 2005
|
225654.0
|
414372.0
|
255586.0
|
Hydref 2005
|
224499.0
|
412182.0
|
253738.0
|
Tachwedd 2005
|
223009.0
|
408545.0
|
252303.0
|
Rhagfyr 2005
|
219281.0
|
399554.0
|
247513.0
|
Ionawr 2006
|
219690.0
|
400603.0
|
247801.0
|
Chwefror 2006
|
223584.0
|
406408.0
|
251546.0
|
Mawrth 2006
|
231327.0
|
422116.0
|
260694.0
|
Ebrill 2006
|
236339.0
|
429713.0
|
266247.0
|
Mai 2006
|
243953.0
|
444007.0
|
275101.0
|
Mehefin 2006
|
243536.0
|
442227.0
|
274667.0
|
Gorffennaf 2006
|
248388.0
|
451748.0
|
280504.0
|
Awst 2006
|
245814.0
|
447541.0
|
277679.0
|
Medi 2006
|
251239.0
|
459194.0
|
284032.0
|
Hydref 2006
|
251950.0
|
460885.0
|
284689.0
|
Tachwedd 2006
|
256540.0
|
469817.0
|
290341.0
|
Rhagfyr 2006
|
260738.0
|
475897.0
|
294828.0
|
Ionawr 2007
|
261935.0
|
478415.0
|
296463.0
|
Chwefror 2007
|
262304.0
|
478559.0
|
296628.0
|
Mawrth 2007
|
260488.0
|
476455.0
|
295081.0
|
Ebrill 2007
|
264463.0
|
481952.0
|
299201.0
|
Mai 2007
|
269630.0
|
488953.0
|
304407.0
|
Mehefin 2007
|
272286.0
|
492822.0
|
307275.0
|
Gorffennaf 2007
|
273461.0
|
496758.0
|
308601.0
|
Awst 2007
|
275348.0
|
503738.0
|
311456.0
|
Medi 2007
|
273835.0
|
502873.0
|
309934.0
|
Hydref 2007
|
275913.0
|
507478.0
|
311794.0
|
Tachwedd 2007
|
276910.0
|
509797.0
|
312999.0
|
Rhagfyr 2007
|
283241.0
|
520197.0
|
319775.0
|
Ionawr 2008
|
277322.0
|
510843.0
|
313440.0
|
Chwefror 2008
|
273256.0
|
503141.0
|
308559.0
|
Mawrth 2008
|
266227.0
|
491387.0
|
300540.0
|
Ebrill 2008
|
262265.0
|
484522.0
|
296262.0
|
Mai 2008
|
259493.0
|
479486.0
|
293313.0
|
Mehefin 2008
|
260300.0
|
481090.0
|
294306.0
|
Gorffennaf 2008
|
260986.0
|
482220.0
|
295442.0
|
Awst 2008
|
253364.0
|
469952.0
|
287287.0
|
Medi 2008
|
241964.0
|
452170.0
|
274395.0
|
Hydref 2008
|
233401.0
|
436214.0
|
264293.0
|
Tachwedd 2008
|
229644.0
|
429656.0
|
259784.0
|
Rhagfyr 2008
|
230543.0
|
429897.0
|
261288.0
|
Ionawr 2009
|
232708.0
|
435145.0
|
263284.0
|
Chwefror 2009
|
229984.0
|
427580.0
|
259654.0
|
Mawrth 2009
|
224469.0
|
415288.0
|
252298.0
|
Ebrill 2009
|
226924.0
|
416104.0
|
255100.0
|
Mai 2009
|
236799.0
|
433176.0
|
266163.0
|
Mehefin 2009
|
242081.0
|
443206.0
|
272688.0
|
Gorffennaf 2009
|
242208.0
|
445324.0
|
273768.0
|
Awst 2009
|
249031.0
|
461552.0
|
282511.0
|
Medi 2009
|
259444.0
|
482298.0
|
294623.0
|
Hydref 2009
|
260008.0
|
484315.0
|
295717.0
|
Tachwedd 2009
|
256509.0
|
477969.0
|
291674.0
|
Rhagfyr 2009
|
252724.0
|
469470.0
|
288316.0
|
Ionawr 2010
|
259719.0
|
485458.0
|
297018.0
|
Chwefror 2010
|
261556.0
|
490756.0
|
300158.0
|
Mawrth 2010
|
264174.0
|
499002.0
|
302442.0
|
Ebrill 2010
|
265923.0
|
500228.0
|
304028.0
|
Mai 2010
|
267946.0
|
503884.0
|
305698.0
|
Mehefin 2010
|
265516.0
|
499261.0
|
303418.0
|
Gorffennaf 2010
|
266869.0
|
505385.0
|
305236.0
|
Awst 2010
|
267784.0
|
508070.0
|
307270.0
|
Medi 2010
|
276254.0
|
526785.0
|
317177.0
|
Hydref 2010
|
280236.0
|
533242.0
|
321733.0
|
Tachwedd 2010
|
278565.0
|
531439.0
|
319457.0
|
Rhagfyr 2010
|
274684.0
|
523136.0
|
315337.0
|
Ionawr 2011
|
266381.0
|
509375.0
|
305586.0
|
Chwefror 2011
|
263022.0
|
504616.0
|
301508.0
|
Mawrth 2011
|
263634.0
|
509590.0
|
301670.0
|
Ebrill 2011
|
269614.0
|
520390.0
|
308477.0
|
Mai 2011
|
273540.0
|
523360.0
|
312276.0
|
Mehefin 2011
|
276489.0
|
523486.0
|
315935.0
|
Gorffennaf 2011
|
278894.0
|
525548.0
|
318338.0
|
Awst 2011
|
280828.0
|
532479.0
|
322150.0
|
Medi 2011
|
278048.0
|
531158.0
|
319297.0
|
Hydref 2011
|
281311.0
|
540665.0
|
324386.0
|
Tachwedd 2011
|
289636.0
|
556002.0
|
333067.0
|
Rhagfyr 2011
|
293263.0
|
559955.0
|
337080.0
|
Ionawr 2012
|
291781.0
|
555150.0
|
335487.0
|
Chwefror 2012
|
283983.0
|
541425.0
|
327246.0
|
Mawrth 2012
|
281111.0
|
535452.0
|
323959.0
|
Ebrill 2012
|
285799.0
|
544009.0
|
328503.0
|
Mai 2012
|
294969.0
|
558899.0
|
338250.0
|
Mehefin 2012
|
298007.0
|
564376.0
|
341360.0
|
Gorffennaf 2012
|
298866.0
|
566396.0
|
342637.0
|
Awst 2012
|
297753.0
|
564989.0
|
341967.0
|
Medi 2012
|
306265.0
|
583469.0
|
352235.0
|
Hydref 2012
|
300593.0
|
572127.0
|
345544.0
|
Tachwedd 2012
|
302677.0
|
576289.0
|
347642.0
|
Rhagfyr 2012
|
302079.0
|
575273.0
|
346876.0
|
Ionawr 2013
|
312977.0
|
597965.0
|
360786.0
|
Chwefror 2013
|
312155.0
|
596990.0
|
360149.0
|
Mawrth 2013
|
316791.0
|
606091.0
|
364719.0
|
Ebrill 2013
|
317049.0
|
604740.0
|
362697.0
|
Mai 2013
|
323217.0
|
615294.0
|
369331.0
|
Mehefin 2013
|
320978.0
|
609516.0
|
367682.0
|
Gorffennaf 2013
|
322698.0
|
611959.0
|
370341.0
|
Awst 2013
|
324151.0
|
614671.0
|
372485.0
|
Medi 2013
|
322689.0
|
614740.0
|
370548.0
|
Hydref 2013
|
326857.0
|
625059.0
|
375505.0
|
Tachwedd 2013
|
326304.0
|
624763.0
|
374516.0
|
Rhagfyr 2013
|
340156.0
|
647820.0
|
390288.0
|
Ionawr 2014
|
332630.0
|
633948.0
|
382104.0
|
Chwefror 2014
|
336920.0
|
644402.0
|
387670.0
|
Mawrth 2014
|
328271.0
|
629192.0
|
378149.0
|
Ebrill 2014
|
342230.0
|
655185.0
|
393952.0
|
Mai 2014
|
351716.0
|
670485.0
|
404147.0
|
Mehefin 2014
|
366614.0
|
698809.0
|
421492.0
|
Gorffennaf 2014
|
369575.0
|
704603.0
|
425561.0
|
Awst 2014
|
371578.0
|
710901.0
|
429366.0
|
Medi 2014
|
373745.0
|
715949.0
|
432492.0
|
Hydref 2014
|
371143.0
|
711547.0
|
429750.0
|
Tachwedd 2014
|
368204.0
|
705698.0
|
426420.0
|
Rhagfyr 2014
|
364462.0
|
698805.0
|
421578.0
|
Ionawr 2015
|
375085.0
|
719612.0
|
433531.0
|
Chwefror 2015
|
381836.0
|
733080.0
|
440181.0
|
Mawrth 2015
|
387493.0
|
744735.0
|
446671.0
|
Ebrill 2015
|
386169.0
|
743255.0
|
445088.0
|
Mai 2015
|
392630.0
|
753927.0
|
452980.0
|
Mehefin 2015
|
402532.0
|
771681.0
|
464994.0
|
Gorffennaf 2015
|
408336.0
|
780328.0
|
471990.0
|
Awst 2015
|
411637.0
|
786533.0
|
475969.0
|
Medi 2015
|
413637.0
|
794065.0
|
478307.0
|
Hydref 2015
|
414819.0
|
798597.0
|
480331.0
|
Tachwedd 2015
|
416642.0
|
803954.0
|
482966.0
|
Rhagfyr 2015
|
425457.0
|
821104.0
|
493771.0
|
Ionawr 2016
|
429178.0
|
827608.0
|
499035.0
|
Chwefror 2016
|
432011.0
|
834069.0
|
502813.0
|
Mawrth 2016
|
430219.0
|
829752.0
|
500026.0
|
Ebrill 2016
|
437219.0
|
843599.0
|
506710.0
|
Mai 2016
|
430822.0
|
827986.0
|
497840.0
|
Mehefin 2016
|
425993.0
|
818091.0
|
492109.0
|
Gorffennaf 2016
|
424048.0
|
812266.0
|
489835.0
|
Awst 2016
|
429007.0
|
822256.0
|
495704.0
|
Medi 2016
|
429167.0
|
821822.0
|
496512.0
|
Hydref 2016
|
399642.0
|
768163.0
|
462698.0
|
Tachwedd 2016
|
396817.0
|
766924.0
|
459759.0
|
Rhagfyr 2016
|
399330.0
|
773563.0
|
461973.0
|
Ionawr 2017
|
421207.0
|
816456.0
|
486787.0
|
Chwefror 2017
|
422069.0
|
817013.0
|
486436.0
|
Mawrth 2017
|
420710.0
|
816485.0
|
484327.0
|
Ebrill 2017
|
425216.0
|
827645.0
|
488861.0
|
Mai 2017
|
431736.0
|
837682.0
|
497035.0
|
Mehefin 2017
|
440545.0
|
851959.0
|
507000.0
|
Gorffennaf 2017
|
452358.0
|
870449.0
|
521478.0
|
Awst 2017
|
456022.0
|
881981.0
|
526402.0
|
Medi 2017
|
447954.0
|
869071.0
|
518110.0
|
Hydref 2017
|
438271.0
|
854859.0
|
507514.0
|
Tachwedd 2017
|
436369.0
|
850006.0
|
506361.0
|
Rhagfyr 2017
|
432065.0
|
841970.0
|
502088.0
|
Ionawr 2018
|
429568.0
|
834426.0
|
498723.0
|
Chwefror 2018
|
427626.0
|
831619.0
|
495106.0
|
Mawrth 2018
|
437835.0
|
849480.0
|
506748.0
|
Ebrill 2018
|
440511.0
|
855553.0
|
510857.0
|
Mai 2018
|
439056.0
|
854062.0
|
511183.0
|
Mehefin 2018
|
435934.0
|
850394.0
|
509189.0
|
Gorffennaf 2018
|
441781.0
|
866047.0
|
516445.0
|
Awst 2018
|
446849.0
|
876859.0
|
522147.0
|
Medi 2018
|
443276.0
|
871640.0
|
517428.0
|
Hydref 2018
|
441356.0
|
867678.0
|
514926.0
|
Tachwedd 2018
|
442765.0
|
875168.0
|
517960.0
|
Rhagfyr 2018
|
449219.0
|
886148.0
|
526325.0
|
Ionawr 2019
|
441487.0
|
872115.0
|
518046.0
|
Chwefror 2019
|
429639.0
|
848626.0
|
502850.0
|
Mawrth 2019
|
419765.0
|
831761.0
|
491314.0
|
Ebrill 2019
|
424701.0
|
840063.0
|
496663.0
|
Mai 2019
|
428894.0
|
844500.0
|
502227.0
|
Mehefin 2019
|
432809.0
|
850890.0
|
506939.0
|
Gorffennaf 2019
|
430264.0
|
843958.0
|
503944.0
|
Awst 2019
|
434499.0
|
855392.0
|
508936.0
|
Medi 2019
|
442044.0
|
871528.0
|
516228.0
|
Hydref 2019
|
445665.0
|
881161.0
|
522134.0
|
Tachwedd 2019
|
435823.0
|
860708.0
|
512213.0
|
Rhagfyr 2019
|
431795.0
|
852657.0
|
509839.0
|
Ionawr 2020
|
429570.0
|
847768.0
|
507075.0
|
Chwefror 2020
|
443943.0
|
878856.0
|
524095.0
|
Mawrth 2020
|
444113.0
|
880898.0
|
524224.0
|
Ebrill 2020
|
440337.0
|
879589.0
|
519599.0
|
Mai 2020
|
432051.0
|
863794.0
|
509447.0
|
Mehefin 2020
|
434600.0
|
866234.0
|
513494.0
|
Gorffennaf 2020
|
443115.0
|
877277.0
|
523894.0
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai pâr
|
Ionawr 2000
|
11.9
|
12.1
|
11.3
|
Chwefror 2000
|
17.3
|
17.4
|
16.5
|
Mawrth 2000
|
21.8
|
22.0
|
21.3
|
Ebrill 2000
|
25.9
|
25.8
|
25.2
|
Mai 2000
|
27.5
|
27.6
|
27.2
|
Mehefin 2000
|
26.6
|
26.4
|
26.3
|
Gorffennaf 2000
|
23.9
|
23.9
|
23.9
|
Awst 2000
|
22.4
|
22.5
|
22.6
|
Medi 2000
|
21.5
|
22.1
|
21.7
|
Hydref 2000
|
23.4
|
23.8
|
23.7
|
Tachwedd 2000
|
21.6
|
22.4
|
21.7
|
Rhagfyr 2000
|
20.2
|
21.1
|
20.2
|
Ionawr 2001
|
18.4
|
18.7
|
17.9
|
Chwefror 2001
|
18.4
|
18.1
|
18.1
|
Mawrth 2001
|
13.6
|
13.0
|
13.4
|
Ebrill 2001
|
10.1
|
10.2
|
10.0
|
Mai 2001
|
8.2
|
8.0
|
7.7
|
Mehefin 2001
|
9.8
|
9.5
|
9.2
|
Gorffennaf 2001
|
14.2
|
13.2
|
13.4
|
Awst 2001
|
17.2
|
16.2
|
16.3
|
Medi 2001
|
20.3
|
19.0
|
19.3
|
Hydref 2001
|
18.4
|
17.2
|
17.3
|
Tachwedd 2001
|
20.8
|
19.1
|
20.1
|
Rhagfyr 2001
|
19.1
|
17.2
|
18.6
|
Ionawr 2002
|
18.9
|
17.2
|
18.8
|
Chwefror 2002
|
14.0
|
12.5
|
13.7
|
Mawrth 2002
|
19.2
|
17.7
|
18.7
|
Ebrill 2002
|
19.5
|
17.5
|
18.9
|
Mai 2002
|
23.1
|
21.2
|
22.8
|
Mehefin 2002
|
21.6
|
19.7
|
21.2
|
Gorffennaf 2002
|
20.0
|
18.2
|
19.5
|
Awst 2002
|
15.5
|
13.3
|
15.0
|
Medi 2002
|
14.4
|
11.7
|
14.2
|
Hydref 2002
|
16.0
|
13.2
|
16.1
|
Tachwedd 2002
|
19.4
|
16.8
|
19.3
|
Rhagfyr 2002
|
20.6
|
18.2
|
20.4
|
Ionawr 2003
|
19.8
|
17.3
|
19.2
|
Chwefror 2003
|
20.5
|
17.8
|
20.2
|
Mawrth 2003
|
17.1
|
14.6
|
16.8
|
Ebrill 2003
|
14.4
|
12.2
|
14.7
|
Mai 2003
|
9.5
|
7.3
|
9.7
|
Mehefin 2003
|
8.1
|
5.9
|
8.5
|
Gorffennaf 2003
|
8.7
|
6.2
|
9.1
|
Awst 2003
|
8.6
|
6.0
|
9.1
|
Medi 2003
|
7.2
|
4.4
|
7.7
|
Hydref 2003
|
6.5
|
3.7
|
6.7
|
Tachwedd 2003
|
6.0
|
2.8
|
6.2
|
Rhagfyr 2003
|
6.3
|
2.9
|
6.3
|
Ionawr 2004
|
6.2
|
3.2
|
6.6
|
Chwefror 2004
|
4.8
|
2.2
|
5.0
|
Mawrth 2004
|
2.4
|
-0.3
|
2.4
|
Ebrill 2004
|
4.2
|
0.7
|
3.7
|
Mai 2004
|
6.4
|
2.3
|
5.7
|
Mehefin 2004
|
9.1
|
4.8
|
8.6
|
Gorffennaf 2004
|
6.7
|
2.5
|
6.4
|
Awst 2004
|
8.6
|
4.7
|
8.4
|
Medi 2004
|
10.3
|
6.9
|
10.0
|
Hydref 2004
|
11.2
|
8.0
|
10.7
|
Tachwedd 2004
|
8.7
|
5.7
|
8.2
|
Rhagfyr 2004
|
7.3
|
4.5
|
6.6
|
Ionawr 2005
|
6.9
|
3.7
|
5.9
|
Chwefror 2005
|
4.8
|
1.8
|
4.0
|
Mawrth 2005
|
6.7
|
3.6
|
6.2
|
Ebrill 2005
|
5.6
|
3.1
|
5.5
|
Mai 2005
|
6.6
|
4.7
|
6.3
|
Mehefin 2005
|
2.2
|
0.7
|
1.8
|
Gorffennaf 2005
|
3.6
|
2.2
|
3.1
|
Awst 2005
|
2.5
|
1.0
|
2.1
|
Medi 2005
|
2.0
|
0.4
|
1.4
|
Hydref 2005
|
0.5
|
-1.0
|
0.1
|
Tachwedd 2005
|
0.2
|
-1.5
|
-0.1
|
Rhagfyr 2005
|
0.6
|
-1.0
|
0.4
|
Ionawr 2006
|
0.2
|
-1.1
|
0.2
|
Chwefror 2006
|
5.9
|
4.3
|
5.5
|
Mawrth 2006
|
8.3
|
7.1
|
8.0
|
Ebrill 2006
|
10.5
|
9.4
|
10.0
|
Mai 2006
|
11.5
|
10.8
|
11.4
|
Mehefin 2006
|
13.0
|
12.5
|
12.9
|
Gorffennaf 2006
|
14.2
|
13.8
|
14.0
|
Awst 2006
|
11.2
|
10.7
|
11.1
|
Medi 2006
|
11.3
|
10.8
|
11.1
|
Hydref 2006
|
12.2
|
11.8
|
12.2
|
Tachwedd 2006
|
15.0
|
15.0
|
15.1
|
Rhagfyr 2006
|
18.9
|
19.1
|
19.1
|
Ionawr 2007
|
19.2
|
19.4
|
19.6
|
Chwefror 2007
|
17.3
|
17.8
|
17.9
|
Mawrth 2007
|
12.6
|
12.9
|
13.2
|
Ebrill 2007
|
11.9
|
12.2
|
12.4
|
Mai 2007
|
10.5
|
10.1
|
10.6
|
Mehefin 2007
|
11.8
|
11.4
|
11.9
|
Gorffennaf 2007
|
10.1
|
10.0
|
10.0
|
Awst 2007
|
12.0
|
12.6
|
12.2
|
Medi 2007
|
9.0
|
9.5
|
9.1
|
Hydref 2007
|
9.5
|
10.1
|
9.5
|
Tachwedd 2007
|
7.9
|
8.5
|
7.8
|
Rhagfyr 2007
|
8.6
|
9.3
|
8.5
|
Ionawr 2008
|
5.9
|
6.8
|
5.7
|
Chwefror 2008
|
4.2
|
5.1
|
4.0
|
Mawrth 2008
|
2.2
|
3.1
|
1.8
|
Ebrill 2008
|
-0.8
|
0.5
|
-1.0
|
Mai 2008
|
-3.8
|
-1.9
|
-3.6
|
Mehefin 2008
|
-4.4
|
-2.4
|
-4.2
|
Gorffennaf 2008
|
-4.6
|
-2.9
|
-4.3
|
Awst 2008
|
-8.0
|
-6.7
|
-7.8
|
Medi 2008
|
-11.6
|
-10.1
|
-11.5
|
Hydref 2008
|
-15.4
|
-14.0
|
-15.2
|
Tachwedd 2008
|
-17.1
|
-15.7
|
-17.0
|
Rhagfyr 2008
|
-18.6
|
-17.4
|
-18.3
|
Ionawr 2009
|
-16.1
|
-14.8
|
-16.0
|
Chwefror 2009
|
-15.8
|
-15.0
|
-15.8
|
Mawrth 2009
|
-15.7
|
-15.5
|
-16.0
|
Ebrill 2009
|
-13.5
|
-14.1
|
-13.9
|
Mai 2009
|
-8.8
|
-9.7
|
-9.3
|
Mehefin 2009
|
-7.0
|
-7.9
|
-7.4
|
Gorffennaf 2009
|
-7.2
|
-7.6
|
-7.3
|
Awst 2009
|
-1.7
|
-1.8
|
-1.7
|
Medi 2009
|
7.2
|
6.7
|
7.4
|
Hydref 2009
|
11.4
|
11.0
|
11.9
|
Tachwedd 2009
|
11.7
|
11.2
|
12.3
|
Rhagfyr 2009
|
9.6
|
9.2
|
10.3
|
Ionawr 2010
|
11.6
|
11.6
|
12.8
|
Chwefror 2010
|
13.7
|
14.8
|
15.6
|
Mawrth 2010
|
17.7
|
20.2
|
19.9
|
Ebrill 2010
|
17.2
|
20.2
|
19.2
|
Mai 2010
|
13.2
|
16.3
|
14.8
|
Mehefin 2010
|
9.7
|
12.6
|
11.3
|
Gorffennaf 2010
|
10.2
|
13.5
|
11.5
|
Awst 2010
|
7.5
|
10.1
|
8.8
|
Medi 2010
|
6.5
|
9.2
|
7.7
|
Hydref 2010
|
7.8
|
10.1
|
8.8
|
Tachwedd 2010
|
8.6
|
11.2
|
9.5
|
Rhagfyr 2010
|
8.7
|
11.4
|
9.4
|
Ionawr 2011
|
2.6
|
4.9
|
2.9
|
Chwefror 2011
|
0.6
|
2.8
|
0.4
|
Mawrth 2011
|
-0.2
|
2.1
|
-0.3
|
Ebrill 2011
|
1.4
|
4.0
|
1.5
|
Mai 2011
|
2.1
|
3.9
|
2.2
|
Mehefin 2011
|
4.1
|
4.8
|
4.1
|
Gorffennaf 2011
|
4.5
|
4.0
|
4.3
|
Awst 2011
|
4.9
|
4.8
|
4.8
|
Medi 2011
|
0.6
|
0.8
|
0.7
|
Hydref 2011
|
0.4
|
1.4
|
0.8
|
Tachwedd 2011
|
4.0
|
4.6
|
4.3
|
Rhagfyr 2011
|
6.8
|
7.0
|
6.9
|
Ionawr 2012
|
9.5
|
9.0
|
9.8
|
Chwefror 2012
|
8.0
|
7.3
|
8.5
|
Mawrth 2012
|
6.6
|
5.1
|
7.4
|
Ebrill 2012
|
6.0
|
4.5
|
6.5
|
Mai 2012
|
7.8
|
6.8
|
8.3
|
Mehefin 2012
|
7.8
|
7.8
|
8.0
|
Gorffennaf 2012
|
7.2
|
7.8
|
7.6
|
Awst 2012
|
6.0
|
6.1
|
6.2
|
Medi 2012
|
10.2
|
9.8
|
10.3
|
Hydref 2012
|
6.8
|
5.8
|
6.5
|
Tachwedd 2012
|
4.5
|
3.6
|
4.4
|
Rhagfyr 2012
|
3.0
|
2.7
|
2.9
|
Ionawr 2013
|
7.3
|
7.7
|
7.5
|
Chwefror 2013
|
9.9
|
10.3
|
10.0
|
Mawrth 2013
|
12.7
|
13.2
|
12.6
|
Ebrill 2013
|
10.9
|
11.2
|
10.4
|
Mai 2013
|
9.6
|
10.1
|
9.2
|
Mehefin 2013
|
7.7
|
8.0
|
7.7
|
Gorffennaf 2013
|
8.0
|
8.0
|
8.1
|
Awst 2013
|
8.9
|
8.8
|
8.9
|
Medi 2013
|
5.4
|
5.4
|
5.2
|
Hydref 2013
|
8.7
|
9.2
|
8.7
|
Tachwedd 2013
|
7.8
|
8.4
|
7.7
|
Rhagfyr 2013
|
12.6
|
12.6
|
12.5
|
Ionawr 2014
|
6.3
|
6.0
|
5.9
|
Chwefror 2014
|
7.9
|
7.9
|
7.6
|
Mawrth 2014
|
3.6
|
3.8
|
3.7
|
Ebrill 2014
|
7.9
|
8.3
|
8.6
|
Mai 2014
|
8.8
|
9.0
|
9.4
|
Mehefin 2014
|
14.2
|
14.6
|
14.6
|
Gorffennaf 2014
|
14.5
|
15.1
|
14.9
|
Awst 2014
|
14.6
|
15.7
|
15.3
|
Medi 2014
|
15.8
|
16.5
|
16.7
|
Hydref 2014
|
13.6
|
13.8
|
14.4
|
Tachwedd 2014
|
12.8
|
13.0
|
13.9
|
Rhagfyr 2014
|
7.2
|
7.9
|
8.0
|
Ionawr 2015
|
12.8
|
13.5
|
13.5
|
Chwefror 2015
|
13.3
|
13.8
|
13.6
|
Mawrth 2015
|
18.0
|
18.4
|
18.1
|
Ebrill 2015
|
12.8
|
13.4
|
13.0
|
Mai 2015
|
11.6
|
12.4
|
12.1
|
Mehefin 2015
|
9.8
|
10.4
|
10.3
|
Gorffennaf 2015
|
10.5
|
10.8
|
10.9
|
Awst 2015
|
10.8
|
10.6
|
10.8
|
Medi 2015
|
10.7
|
10.9
|
10.6
|
Hydref 2015
|
11.8
|
12.2
|
11.8
|
Tachwedd 2015
|
13.2
|
13.9
|
13.3
|
Rhagfyr 2015
|
16.7
|
17.5
|
17.1
|
Ionawr 2016
|
14.4
|
15.0
|
15.1
|
Chwefror 2016
|
13.1
|
13.8
|
14.2
|
Mawrth 2016
|
11.0
|
11.4
|
11.9
|
Ebrill 2016
|
13.2
|
13.5
|
13.8
|
Mai 2016
|
9.7
|
9.8
|
9.9
|
Mehefin 2016
|
5.8
|
6.0
|
5.8
|
Gorffennaf 2016
|
3.8
|
4.1
|
3.8
|
Awst 2016
|
4.2
|
4.5
|
4.2
|
Medi 2016
|
3.8
|
3.5
|
3.8
|
Hydref 2016
|
-3.7
|
-3.8
|
-3.7
|
Tachwedd 2016
|
-4.8
|
-4.6
|
-4.8
|
Rhagfyr 2016
|
-6.1
|
-5.8
|
-6.4
|
Ionawr 2017
|
-1.9
|
-1.4
|
-2.4
|
Chwefror 2017
|
-2.3
|
-2.0
|
-3.3
|
Mawrth 2017
|
-2.2
|
-1.6
|
-3.1
|
Ebrill 2017
|
-1.3
|
-1.0
|
-1.8
|
Mai 2017
|
0.9
|
1.4
|
0.6
|
Mehefin 2017
|
3.4
|
4.1
|
3.0
|
Gorffennaf 2017
|
6.7
|
7.2
|
6.5
|
Awst 2017
|
6.3
|
7.3
|
6.2
|
Medi 2017
|
4.4
|
5.8
|
4.4
|
Hydref 2017
|
9.7
|
11.3
|
9.7
|
Tachwedd 2017
|
10.0
|
10.8
|
10.1
|
Rhagfyr 2017
|
8.2
|
8.8
|
8.7
|
Ionawr 2018
|
2.0
|
2.2
|
2.4
|
Chwefror 2018
|
1.3
|
1.8
|
1.8
|
Mawrth 2018
|
4.1
|
4.0
|
4.6
|
Ebrill 2018
|
3.6
|
3.4
|
4.5
|
Mai 2018
|
1.7
|
2.0
|
2.8
|
Mehefin 2018
|
-1.0
|
-0.2
|
0.4
|
Gorffennaf 2018
|
-2.3
|
-0.5
|
-1.0
|
Awst 2018
|
-2.0
|
-0.6
|
-0.8
|
Medi 2018
|
-1.0
|
0.3
|
-0.1
|
Hydref 2018
|
0.7
|
1.5
|
1.5
|
Tachwedd 2018
|
1.5
|
3.0
|
2.3
|
Rhagfyr 2018
|
4.0
|
5.2
|
4.8
|
Ionawr 2019
|
2.8
|
4.5
|
3.9
|
Chwefror 2019
|
0.5
|
2.0
|
1.6
|
Mawrth 2019
|
-4.1
|
-2.1
|
-3.0
|
Ebrill 2019
|
-3.6
|
-1.8
|
-2.8
|
Mai 2019
|
-2.3
|
-1.1
|
-1.8
|
Mehefin 2019
|
-0.7
|
0.1
|
-0.4
|
Gorffennaf 2019
|
-2.6
|
-2.6
|
-2.4
|
Awst 2019
|
-2.8
|
-2.4
|
-2.5
|
Medi 2019
|
-0.3
|
-0.0
|
-0.2
|
Hydref 2019
|
1.0
|
1.6
|
1.4
|
Tachwedd 2019
|
-1.6
|
-1.6
|
-1.1
|
Rhagfyr 2019
|
-3.9
|
-3.8
|
-3.1
|
Ionawr 2020
|
-2.7
|
-2.8
|
-2.1
|
Chwefror 2020
|
3.3
|
3.6
|
4.2
|
Mawrth 2020
|
5.8
|
5.9
|
6.7
|
Ebrill 2020
|
3.7
|
4.7
|
4.6
|
Mai 2020
|
0.7
|
2.3
|
1.4
|
Mehefin 2020
|
0.4
|
1.8
|
1.3
|
Gorffennaf 2020
|
3.0
|
4.0
|
4.0
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai pâr
|
Ionawr 2000
|
3.5
|
3.8
|
3.6
|
Chwefror 2000
|
3.2
|
3.1
|
3.0
|
Mawrth 2000
|
4.2
|
4.6
|
4.4
|
Ebrill 2000
|
4.7
|
4.0
|
4.4
|
Mai 2000
|
2.5
|
2.2
|
2.7
|
Mehefin 2000
|
1.2
|
0.8
|
1.1
|
Gorffennaf 2000
|
-1.3
|
-0.6
|
-1.1
|
Awst 2000
|
2.2
|
2.6
|
2.3
|
Medi 2000
|
0.8
|
1.6
|
0.7
|
Hydref 2000
|
0.9
|
0.8
|
1.0
|
Tachwedd 2000
|
-2.4
|
-2.1
|
-2.6
|
Rhagfyr 2000
|
-0.7
|
-1.3
|
-0.8
|
Ionawr 2001
|
2.0
|
1.7
|
1.7
|
Chwefror 2001
|
3.2
|
2.6
|
3.2
|
Mawrth 2001
|
0.0
|
0.1
|
0.2
|
Ebrill 2001
|
1.5
|
1.4
|
1.3
|
Mai 2001
|
0.7
|
0.3
|
0.5
|
Mehefin 2001
|
2.7
|
2.2
|
2.5
|
Gorffennaf 2001
|
2.6
|
2.7
|
2.8
|
Awst 2001
|
4.9
|
5.3
|
4.8
|
Medi 2001
|
3.4
|
4.1
|
3.3
|
Hydref 2001
|
-0.7
|
-0.8
|
-0.7
|
Tachwedd 2001
|
-0.4
|
-0.5
|
-0.2
|
Rhagfyr 2001
|
-2.1
|
-2.9
|
-2.0
|
Ionawr 2002
|
1.8
|
1.7
|
1.8
|
Chwefror 2002
|
-1.0
|
-1.5
|
-1.2
|
Mawrth 2002
|
4.6
|
4.7
|
4.6
|
Ebrill 2002
|
1.7
|
1.2
|
1.5
|
Mai 2002
|
3.7
|
3.4
|
3.8
|
Mehefin 2002
|
1.5
|
1.0
|
1.2
|
Gorffennaf 2002
|
1.3
|
1.4
|
1.3
|
Awst 2002
|
1.0
|
1.0
|
0.8
|
Medi 2002
|
2.4
|
2.6
|
2.6
|
Hydref 2002
|
0.7
|
0.6
|
1.0
|
Tachwedd 2002
|
2.5
|
2.6
|
2.5
|
Rhagfyr 2002
|
-1.2
|
-1.7
|
-1.1
|
Ionawr 2003
|
1.1
|
0.9
|
0.8
|
Chwefror 2003
|
-0.5
|
-1.0
|
-0.3
|
Mawrth 2003
|
1.6
|
1.9
|
1.6
|
Ebrill 2003
|
-0.6
|
-1.0
|
-0.2
|
Mai 2003
|
-0.7
|
-1.1
|
-0.7
|
Mehefin 2003
|
0.2
|
-0.4
|
0.1
|
Gorffennaf 2003
|
1.8
|
1.7
|
1.8
|
Awst 2003
|
0.8
|
0.8
|
0.9
|
Medi 2003
|
1.1
|
1.0
|
1.3
|
Hydref 2003
|
0.1
|
-0.1
|
-0.0
|
Tachwedd 2003
|
2.0
|
1.8
|
2.0
|
Rhagfyr 2003
|
-0.8
|
-1.6
|
-1.0
|
Ionawr 2004
|
1.0
|
1.1
|
1.1
|
Chwefror 2004
|
-1.7
|
-2.0
|
-1.9
|
Mawrth 2004
|
-0.7
|
-0.6
|
-0.9
|
Ebrill 2004
|
1.2
|
0.0
|
1.0
|
Mai 2004
|
1.4
|
0.5
|
1.3
|
Mehefin 2004
|
2.8
|
2.0
|
2.8
|
Gorffennaf 2004
|
-0.4
|
-0.5
|
-0.2
|
Awst 2004
|
2.7
|
3.0
|
2.7
|
Medi 2004
|
2.6
|
3.1
|
2.8
|
Hydref 2004
|
0.9
|
0.9
|
0.6
|
Tachwedd 2004
|
-0.3
|
-0.4
|
-0.4
|
Rhagfyr 2004
|
-2.1
|
-2.7
|
-2.4
|
Ionawr 2005
|
0.6
|
0.4
|
0.3
|
Chwefror 2005
|
-3.7
|
-3.8
|
-3.6
|
Mawrth 2005
|
1.2
|
1.2
|
1.2
|
Ebrill 2005
|
0.1
|
-0.4
|
0.3
|
Mai 2005
|
2.2
|
2.1
|
2.0
|
Mehefin 2005
|
-1.4
|
-1.9
|
-1.5
|
Gorffennaf 2005
|
0.9
|
1.0
|
1.1
|
Awst 2005
|
1.6
|
1.8
|
1.6
|
Medi 2005
|
2.1
|
2.5
|
2.2
|
Hydref 2005
|
-0.5
|
-0.5
|
-0.7
|
Tachwedd 2005
|
-0.7
|
-0.9
|
-0.6
|
Rhagfyr 2005
|
-1.7
|
-2.2
|
-1.9
|
Ionawr 2006
|
0.2
|
0.3
|
0.1
|
Chwefror 2006
|
1.8
|
1.4
|
1.5
|
Mawrth 2006
|
3.5
|
3.9
|
3.6
|
Ebrill 2006
|
2.2
|
1.8
|
2.1
|
Mai 2006
|
3.2
|
3.3
|
3.3
|
Mehefin 2006
|
-0.2
|
-0.4
|
-0.2
|
Gorffennaf 2006
|
2.0
|
2.2
|
2.1
|
Awst 2006
|
-1.0
|
-0.9
|
-1.0
|
Medi 2006
|
2.2
|
2.6
|
2.3
|
Hydref 2006
|
0.3
|
0.4
|
0.2
|
Tachwedd 2006
|
1.8
|
1.9
|
2.0
|
Rhagfyr 2006
|
1.6
|
1.3
|
1.6
|
Ionawr 2007
|
0.5
|
0.5
|
0.6
|
Chwefror 2007
|
0.1
|
0.0
|
0.1
|
Mawrth 2007
|
-0.7
|
-0.4
|
-0.5
|
Ebrill 2007
|
1.5
|
1.2
|
1.4
|
Mai 2007
|
2.0
|
1.4
|
1.7
|
Mehefin 2007
|
1.0
|
0.8
|
0.9
|
Gorffennaf 2007
|
0.4
|
0.8
|
0.4
|
Awst 2007
|
0.7
|
1.4
|
0.9
|
Medi 2007
|
-0.6
|
-0.2
|
-0.5
|
Hydref 2007
|
0.8
|
0.9
|
0.6
|
Tachwedd 2007
|
0.4
|
0.5
|
0.4
|
Rhagfyr 2007
|
2.3
|
2.0
|
2.2
|
Ionawr 2008
|
-2.1
|
-1.8
|
-2.0
|
Chwefror 2008
|
-1.5
|
-1.5
|
-1.6
|
Mawrth 2008
|
-2.6
|
-2.3
|
-2.6
|
Ebrill 2008
|
-1.5
|
-1.4
|
-1.4
|
Mai 2008
|
-1.1
|
-1.0
|
-1.0
|
Mehefin 2008
|
0.3
|
0.3
|
0.3
|
Gorffennaf 2008
|
0.3
|
0.2
|
0.4
|
Awst 2008
|
-2.9
|
-2.5
|
-2.8
|
Medi 2008
|
-4.5
|
-3.8
|
-4.5
|
Hydref 2008
|
-3.5
|
-3.5
|
-3.7
|
Tachwedd 2008
|
-1.6
|
-1.5
|
-1.7
|
Rhagfyr 2008
|
0.4
|
0.1
|
0.6
|
Ionawr 2009
|
0.9
|
1.2
|
0.8
|
Chwefror 2009
|
-1.2
|
-1.7
|
-1.4
|
Mawrth 2009
|
-2.4
|
-2.9
|
-2.8
|
Ebrill 2009
|
1.1
|
0.2
|
1.1
|
Mai 2009
|
4.4
|
4.1
|
4.3
|
Mehefin 2009
|
2.2
|
2.3
|
2.4
|
Gorffennaf 2009
|
0.1
|
0.5
|
0.4
|
Awst 2009
|
2.8
|
3.6
|
3.2
|
Medi 2009
|
4.2
|
4.5
|
4.3
|
Hydref 2009
|
0.2
|
0.4
|
0.4
|
Tachwedd 2009
|
-1.4
|
-1.3
|
-1.4
|
Rhagfyr 2009
|
-1.5
|
-1.8
|
-1.2
|
Ionawr 2010
|
2.8
|
3.4
|
3.0
|
Chwefror 2010
|
0.7
|
1.1
|
1.1
|
Mawrth 2010
|
1.0
|
1.7
|
0.8
|
Ebrill 2010
|
0.7
|
0.2
|
0.5
|
Mai 2010
|
0.8
|
0.7
|
0.6
|
Mehefin 2010
|
-0.9
|
-0.9
|
-0.8
|
Gorffennaf 2010
|
0.5
|
1.2
|
0.6
|
Awst 2010
|
0.3
|
0.5
|
0.7
|
Medi 2010
|
3.2
|
3.7
|
3.2
|
Hydref 2010
|
1.4
|
1.2
|
1.4
|
Tachwedd 2010
|
-0.6
|
-0.3
|
-0.7
|
Rhagfyr 2010
|
-1.4
|
-1.6
|
-1.3
|
Ionawr 2011
|
-3.0
|
-2.6
|
-3.1
|
Chwefror 2011
|
-1.3
|
-0.9
|
-1.3
|
Mawrth 2011
|
0.2
|
1.0
|
0.1
|
Ebrill 2011
|
2.3
|
2.1
|
2.3
|
Mai 2011
|
1.5
|
0.6
|
1.2
|
Mehefin 2011
|
1.1
|
0.0
|
1.2
|
Gorffennaf 2011
|
0.9
|
0.4
|
0.8
|
Awst 2011
|
0.7
|
1.3
|
1.2
|
Medi 2011
|
-1.0
|
-0.2
|
-0.9
|
Hydref 2011
|
1.2
|
1.8
|
1.6
|
Tachwedd 2011
|
3.0
|
2.8
|
2.7
|
Rhagfyr 2011
|
1.2
|
0.7
|
1.2
|
Ionawr 2012
|
-0.5
|
-0.9
|
-0.5
|
Chwefror 2012
|
-2.7
|
-2.5
|
-2.5
|
Mawrth 2012
|
-1.0
|
-1.1
|
-1.0
|
Ebrill 2012
|
1.7
|
1.6
|
1.4
|
Mai 2012
|
3.2
|
2.7
|
3.0
|
Mehefin 2012
|
1.0
|
1.0
|
0.9
|
Gorffennaf 2012
|
0.3
|
0.4
|
0.4
|
Awst 2012
|
-0.4
|
-0.2
|
-0.2
|
Medi 2012
|
2.9
|
3.3
|
3.0
|
Hydref 2012
|
-1.8
|
-1.9
|
-1.9
|
Tachwedd 2012
|
0.7
|
0.7
|
0.6
|
Rhagfyr 2012
|
-0.2
|
-0.2
|
-0.2
|
Ionawr 2013
|
3.6
|
3.9
|
4.0
|
Chwefror 2013
|
-0.3
|
-0.2
|
-0.2
|
Mawrth 2013
|
1.5
|
1.5
|
1.3
|
Ebrill 2013
|
0.1
|
-0.2
|
-0.6
|
Mai 2013
|
2.0
|
1.8
|
1.8
|
Mehefin 2013
|
-0.7
|
-0.9
|
-0.4
|
Gorffennaf 2013
|
0.5
|
0.4
|
0.7
|
Awst 2013
|
0.4
|
0.4
|
0.6
|
Medi 2013
|
-0.4
|
0.0
|
-0.5
|
Hydref 2013
|
1.3
|
1.7
|
1.3
|
Tachwedd 2013
|
-0.2
|
-0.1
|
-0.3
|
Rhagfyr 2013
|
4.2
|
3.7
|
4.2
|
Ionawr 2014
|
-2.2
|
-2.1
|
-2.1
|
Chwefror 2014
|
1.3
|
1.6
|
1.5
|
Mawrth 2014
|
-2.6
|
-2.4
|
-2.5
|
Ebrill 2014
|
4.2
|
4.1
|
4.2
|
Mai 2014
|
2.8
|
2.3
|
2.6
|
Mehefin 2014
|
4.2
|
4.2
|
4.3
|
Gorffennaf 2014
|
0.8
|
0.8
|
1.0
|
Awst 2014
|
0.5
|
0.9
|
0.9
|
Medi 2014
|
0.6
|
0.7
|
0.7
|
Hydref 2014
|
-0.7
|
-0.6
|
-0.6
|
Tachwedd 2014
|
-0.8
|
-0.8
|
-0.8
|
Rhagfyr 2014
|
-1.0
|
-1.0
|
-1.1
|
Ionawr 2015
|
2.9
|
3.0
|
2.8
|
Chwefror 2015
|
1.8
|
1.9
|
1.5
|
Mawrth 2015
|
1.5
|
1.6
|
1.5
|
Ebrill 2015
|
-0.3
|
-0.2
|
-0.4
|
Mai 2015
|
1.7
|
1.4
|
1.8
|
Mehefin 2015
|
2.5
|
2.4
|
2.6
|
Gorffennaf 2015
|
1.4
|
1.1
|
1.5
|
Awst 2015
|
0.8
|
0.8
|
0.8
|
Medi 2015
|
0.5
|
1.0
|
0.5
|
Hydref 2015
|
0.3
|
0.6
|
0.4
|
Tachwedd 2015
|
0.4
|
0.7
|
0.6
|
Rhagfyr 2015
|
2.1
|
2.1
|
2.2
|
Ionawr 2016
|
0.9
|
0.8
|
1.1
|
Chwefror 2016
|
0.7
|
0.8
|
0.8
|
Mawrth 2016
|
-0.4
|
-0.5
|
-0.6
|
Ebrill 2016
|
1.6
|
1.7
|
1.3
|
Mai 2016
|
-1.5
|
-1.8
|
-1.8
|
Mehefin 2016
|
-1.1
|
-1.2
|
-1.2
|
Gorffennaf 2016
|
-0.5
|
-0.7
|
-0.5
|
Awst 2016
|
1.2
|
1.2
|
1.2
|
Medi 2016
|
0.0
|
-0.1
|
0.2
|
Hydref 2016
|
-6.9
|
-6.5
|
-6.8
|
Tachwedd 2016
|
-0.7
|
-0.2
|
-0.6
|
Rhagfyr 2016
|
0.6
|
0.9
|
0.5
|
Ionawr 2017
|
5.5
|
5.5
|
5.4
|
Chwefror 2017
|
0.2
|
0.1
|
-0.1
|
Mawrth 2017
|
-0.3
|
-0.1
|
-0.4
|
Ebrill 2017
|
1.1
|
1.4
|
0.9
|
Mai 2017
|
1.5
|
1.2
|
1.7
|
Mehefin 2017
|
2.0
|
1.7
|
2.0
|
Gorffennaf 2017
|
2.7
|
2.2
|
2.9
|
Awst 2017
|
0.8
|
1.3
|
0.9
|
Medi 2017
|
-1.8
|
-1.5
|
-1.6
|
Hydref 2017
|
-2.2
|
-1.6
|
-2.0
|
Tachwedd 2017
|
-0.4
|
-0.6
|
-0.2
|
Rhagfyr 2017
|
-1.0
|
-1.0
|
-0.8
|
Ionawr 2018
|
-0.6
|
-0.9
|
-0.7
|
Chwefror 2018
|
-0.4
|
-0.3
|
-0.7
|
Mawrth 2018
|
2.4
|
2.2
|
2.4
|
Ebrill 2018
|
0.6
|
0.7
|
0.8
|
Mai 2018
|
-0.3
|
-0.2
|
0.1
|
Mehefin 2018
|
-0.7
|
-0.4
|
-0.4
|
Gorffennaf 2018
|
1.3
|
1.8
|
1.4
|
Awst 2018
|
1.2
|
1.2
|
1.1
|
Medi 2018
|
-0.8
|
-0.6
|
-0.9
|
Hydref 2018
|
-0.4
|
-0.4
|
-0.5
|
Tachwedd 2018
|
0.3
|
0.9
|
0.6
|
Rhagfyr 2018
|
1.5
|
1.2
|
1.6
|
Ionawr 2019
|
-1.7
|
-1.6
|
-1.6
|
Chwefror 2019
|
-2.7
|
-2.7
|
-2.9
|
Mawrth 2019
|
-2.3
|
-2.0
|
-2.3
|
Ebrill 2019
|
1.2
|
1.0
|
1.1
|
Mai 2019
|
1.0
|
0.5
|
1.1
|
Mehefin 2019
|
0.9
|
0.8
|
0.9
|
Gorffennaf 2019
|
-0.6
|
-0.8
|
-0.6
|
Awst 2019
|
1.0
|
1.4
|
1.0
|
Medi 2019
|
1.7
|
1.9
|
1.4
|
Hydref 2019
|
0.8
|
1.1
|
1.1
|
Tachwedd 2019
|
-2.2
|
-2.3
|
-1.9
|
Rhagfyr 2019
|
-0.9
|
-0.9
|
-0.5
|
Ionawr 2020
|
-0.5
|
-0.6
|
-0.5
|
Chwefror 2020
|
3.4
|
3.7
|
3.4
|
Mawrth 2020
|
0.0
|
0.2
|
0.0
|
Ebrill 2020
|
-0.8
|
-0.2
|
-0.9
|
Mai 2020
|
-1.9
|
-1.8
|
-2.0
|
Mehefin 2020
|
0.6
|
0.3
|
0.8
|
Gorffennaf 2020
|
2.0
|
1.3
|
2.0
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai pâr
|
Ionawr 2000
|
30.6
|
32.2
|
30.3
|
Chwefror 2000
|
31.5
|
33.3
|
31.2
|
Mawrth 2000
|
32.9
|
34.8
|
32.6
|
Ebrill 2000
|
34.4
|
36.2
|
34.0
|
Mai 2000
|
35.3
|
37.0
|
34.9
|
Mehefin 2000
|
35.7
|
37.3
|
35.3
|
Gorffennaf 2000
|
35.2
|
37.1
|
35.0
|
Awst 2000
|
36.0
|
38.0
|
35.8
|
Medi 2000
|
36.3
|
38.6
|
36.0
|
Hydref 2000
|
36.6
|
38.9
|
36.3
|
Tachwedd 2000
|
35.7
|
38.1
|
35.4
|
Rhagfyr 2000
|
35.5
|
37.6
|
35.1
|
Ionawr 2001
|
36.2
|
38.3
|
35.7
|
Chwefror 2001
|
37.3
|
39.3
|
36.9
|
Mawrth 2001
|
37.3
|
39.3
|
36.9
|
Ebrill 2001
|
37.9
|
39.8
|
37.4
|
Mai 2001
|
38.2
|
40.0
|
37.6
|
Mehefin 2001
|
39.2
|
40.8
|
38.6
|
Gorffennaf 2001
|
40.2
|
42.0
|
39.6
|
Awst 2001
|
42.2
|
44.2
|
41.6
|
Medi 2001
|
43.6
|
46.0
|
42.9
|
Hydref 2001
|
43.3
|
45.6
|
42.6
|
Tachwedd 2001
|
43.2
|
45.4
|
42.5
|
Rhagfyr 2001
|
42.2
|
44.1
|
41.7
|
Ionawr 2002
|
43.0
|
44.8
|
42.4
|
Chwefror 2002
|
42.6
|
44.2
|
41.9
|
Mawrth 2002
|
44.5
|
46.3
|
43.8
|
Ebrill 2002
|
45.3
|
46.8
|
44.5
|
Mai 2002
|
47.0
|
48.4
|
46.2
|
Mehefin 2002
|
47.6
|
48.9
|
46.8
|
Gorffennaf 2002
|
48.3
|
49.6
|
47.4
|
Awst 2002
|
48.7
|
50.1
|
47.8
|
Medi 2002
|
49.9
|
51.4
|
49.0
|
Hydref 2002
|
50.3
|
51.7
|
49.5
|
Tachwedd 2002
|
51.5
|
53.0
|
50.7
|
Rhagfyr 2002
|
50.9
|
52.1
|
50.2
|
Ionawr 2003
|
51.5
|
52.6
|
50.6
|
Chwefror 2003
|
51.3
|
52.1
|
50.4
|
Mawrth 2003
|
52.1
|
53.1
|
51.2
|
Ebrill 2003
|
51.8
|
52.6
|
51.1
|
Mai 2003
|
51.4
|
52.0
|
50.7
|
Mehefin 2003
|
51.5
|
51.8
|
50.8
|
Gorffennaf 2003
|
52.5
|
52.6
|
51.7
|
Awst 2003
|
52.9
|
53.1
|
52.1
|
Medi 2003
|
53.5
|
53.6
|
52.8
|
Hydref 2003
|
53.6
|
53.6
|
52.8
|
Tachwedd 2003
|
54.6
|
54.5
|
53.8
|
Rhagfyr 2003
|
54.2
|
53.7
|
53.3
|
Ionawr 2004
|
54.7
|
54.3
|
53.9
|
Chwefror 2004
|
53.8
|
53.2
|
52.9
|
Mawrth 2004
|
53.4
|
52.9
|
52.4
|
Ebrill 2004
|
54.0
|
52.9
|
53.0
|
Mai 2004
|
54.7
|
53.2
|
53.6
|
Mehefin 2004
|
56.2
|
54.2
|
55.1
|
Gorffennaf 2004
|
56.0
|
54.0
|
55.0
|
Awst 2004
|
57.5
|
55.6
|
56.5
|
Medi 2004
|
59.0
|
57.3
|
58.1
|
Hydref 2004
|
59.5
|
57.8
|
58.5
|
Tachwedd 2004
|
59.4
|
57.6
|
58.3
|
Rhagfyr 2004
|
58.1
|
56.1
|
56.9
|
Ionawr 2005
|
58.5
|
56.3
|
57.1
|
Chwefror 2005
|
56.3
|
54.1
|
55.0
|
Mawrth 2005
|
57.0
|
54.8
|
55.7
|
Ebrill 2005
|
57.0
|
54.6
|
55.8
|
Mai 2005
|
58.3
|
55.7
|
57.0
|
Mehefin 2005
|
57.5
|
54.6
|
56.1
|
Gorffennaf 2005
|
58.0
|
55.2
|
56.7
|
Awst 2005
|
58.9
|
56.2
|
57.7
|
Medi 2005
|
60.2
|
57.6
|
59.0
|
Hydref 2005
|
59.8
|
57.3
|
58.5
|
Tachwedd 2005
|
59.5
|
56.8
|
58.2
|
Rhagfyr 2005
|
58.5
|
55.5
|
57.1
|
Ionawr 2006
|
58.6
|
55.7
|
57.2
|
Chwefror 2006
|
59.6
|
56.5
|
58.0
|
Mawrth 2006
|
61.7
|
58.7
|
60.1
|
Ebrill 2006
|
63.0
|
59.7
|
61.4
|
Mai 2006
|
65.0
|
61.7
|
63.5
|
Mehefin 2006
|
64.9
|
61.4
|
63.4
|
Gorffennaf 2006
|
66.2
|
62.8
|
64.7
|
Awst 2006
|
65.5
|
62.2
|
64.0
|
Medi 2006
|
67.0
|
63.8
|
65.5
|
Hydref 2006
|
67.2
|
64.0
|
65.7
|
Tachwedd 2006
|
68.4
|
65.3
|
67.0
|
Rhagfyr 2006
|
69.5
|
66.1
|
68.0
|
Ionawr 2007
|
69.8
|
66.5
|
68.4
|
Chwefror 2007
|
69.9
|
66.5
|
68.4
|
Mawrth 2007
|
69.4
|
66.2
|
68.1
|
Ebrill 2007
|
70.5
|
67.0
|
69.0
|
Mai 2007
|
71.9
|
68.0
|
70.2
|
Mehefin 2007
|
72.6
|
68.5
|
70.9
|
Gorffennaf 2007
|
72.9
|
69.0
|
71.2
|
Awst 2007
|
73.4
|
70.0
|
71.8
|
Medi 2007
|
73.0
|
69.9
|
71.5
|
Hydref 2007
|
73.6
|
70.5
|
71.9
|
Tachwedd 2007
|
73.8
|
70.8
|
72.2
|
Rhagfyr 2007
|
75.5
|
72.3
|
73.8
|
Ionawr 2008
|
73.9
|
71.0
|
72.3
|
Chwefror 2008
|
72.8
|
69.9
|
71.2
|
Mawrth 2008
|
71.0
|
68.3
|
69.3
|
Ebrill 2008
|
69.9
|
67.3
|
68.3
|
Mai 2008
|
69.2
|
66.6
|
67.7
|
Mehefin 2008
|
69.4
|
66.8
|
67.9
|
Gorffennaf 2008
|
69.6
|
67.0
|
68.2
|
Awst 2008
|
67.6
|
65.3
|
66.3
|
Medi 2008
|
64.5
|
62.8
|
63.3
|
Hydref 2008
|
62.2
|
60.6
|
61.0
|
Tachwedd 2008
|
61.2
|
59.7
|
59.9
|
Rhagfyr 2008
|
61.5
|
59.7
|
60.3
|
Ionawr 2009
|
62.0
|
60.5
|
60.7
|
Chwefror 2009
|
61.3
|
59.4
|
59.9
|
Mawrth 2009
|
59.8
|
57.7
|
58.2
|
Ebrill 2009
|
60.5
|
57.8
|
58.8
|
Mai 2009
|
63.1
|
60.2
|
61.4
|
Mehefin 2009
|
64.5
|
61.6
|
62.9
|
Gorffennaf 2009
|
64.6
|
61.9
|
63.2
|
Awst 2009
|
66.4
|
64.1
|
65.2
|
Medi 2009
|
69.2
|
67.0
|
68.0
|
Hydref 2009
|
69.3
|
67.3
|
68.2
|
Tachwedd 2009
|
68.4
|
66.4
|
67.3
|
Rhagfyr 2009
|
67.4
|
65.2
|
66.5
|
Ionawr 2010
|
69.2
|
67.5
|
68.5
|
Chwefror 2010
|
69.7
|
68.2
|
69.2
|
Mawrth 2010
|
70.4
|
69.3
|
69.8
|
Ebrill 2010
|
70.9
|
69.5
|
70.1
|
Mai 2010
|
71.4
|
70.0
|
70.5
|
Mehefin 2010
|
70.8
|
69.4
|
70.0
|
Gorffennaf 2010
|
71.2
|
70.2
|
70.4
|
Awst 2010
|
71.4
|
70.6
|
70.9
|
Medi 2010
|
73.6
|
73.2
|
73.2
|
Hydref 2010
|
74.7
|
74.1
|
74.2
|
Tachwedd 2010
|
74.3
|
73.8
|
73.7
|
Rhagfyr 2010
|
73.2
|
72.7
|
72.7
|
Ionawr 2011
|
71.0
|
70.8
|
70.5
|
Chwefror 2011
|
70.1
|
70.1
|
69.6
|
Mawrth 2011
|
70.3
|
70.8
|
69.6
|
Ebrill 2011
|
71.9
|
72.3
|
71.2
|
Mai 2011
|
72.9
|
72.7
|
72.0
|
Mehefin 2011
|
73.7
|
72.8
|
72.9
|
Gorffennaf 2011
|
74.4
|
73.0
|
73.4
|
Awst 2011
|
74.9
|
74.0
|
74.3
|
Medi 2011
|
74.1
|
73.8
|
73.6
|
Hydref 2011
|
75.0
|
75.1
|
74.8
|
Tachwedd 2011
|
77.2
|
77.3
|
76.8
|
Rhagfyr 2011
|
78.2
|
77.8
|
77.8
|
Ionawr 2012
|
77.8
|
77.2
|
77.4
|
Chwefror 2012
|
75.7
|
75.2
|
75.5
|
Mawrth 2012
|
75.0
|
74.4
|
74.7
|
Ebrill 2012
|
76.2
|
75.6
|
75.8
|
Mai 2012
|
78.6
|
77.7
|
78.0
|
Mehefin 2012
|
79.4
|
78.4
|
78.7
|
Gorffennaf 2012
|
79.7
|
78.7
|
79.0
|
Awst 2012
|
79.4
|
78.5
|
78.9
|
Medi 2012
|
81.6
|
81.1
|
81.2
|
Hydref 2012
|
80.1
|
79.5
|
79.7
|
Tachwedd 2012
|
80.7
|
80.1
|
80.2
|
Rhagfyr 2012
|
80.5
|
79.9
|
80.0
|
Ionawr 2013
|
83.4
|
83.1
|
83.2
|
Chwefror 2013
|
83.2
|
83.0
|
83.1
|
Mawrth 2013
|
84.5
|
84.2
|
84.1
|
Ebrill 2013
|
84.5
|
84.0
|
83.7
|
Mai 2013
|
86.2
|
85.5
|
85.2
|
Mehefin 2013
|
85.6
|
84.7
|
84.8
|
Gorffennaf 2013
|
86.0
|
85.0
|
85.4
|
Awst 2013
|
86.4
|
85.4
|
85.9
|
Medi 2013
|
86.0
|
85.4
|
85.5
|
Hydref 2013
|
87.1
|
86.9
|
86.6
|
Tachwedd 2013
|
87.0
|
86.8
|
86.4
|
Rhagfyr 2013
|
90.7
|
90.0
|
90.0
|
Ionawr 2014
|
88.7
|
88.1
|
88.1
|
Chwefror 2014
|
89.8
|
89.6
|
89.4
|
Mawrth 2014
|
87.5
|
87.4
|
87.2
|
Ebrill 2014
|
91.2
|
91.0
|
90.9
|
Mai 2014
|
93.8
|
93.2
|
93.2
|
Mehefin 2014
|
97.7
|
97.1
|
97.2
|
Gorffennaf 2014
|
98.5
|
97.9
|
98.2
|
Awst 2014
|
99.1
|
98.8
|
99.0
|
Medi 2014
|
99.6
|
99.5
|
99.8
|
Hydref 2014
|
99.0
|
98.9
|
99.1
|
Tachwedd 2014
|
98.2
|
98.1
|
98.4
|
Rhagfyr 2014
|
97.2
|
97.1
|
97.2
|
Ionawr 2015
|
100.0
|
100.0
|
100.0
|
Chwefror 2015
|
101.8
|
101.9
|
101.5
|
Mawrth 2015
|
103.3
|
103.5
|
103.0
|
Ebrill 2015
|
103.0
|
103.3
|
102.7
|
Mai 2015
|
104.7
|
104.8
|
104.5
|
Mehefin 2015
|
107.3
|
107.2
|
107.3
|
Gorffennaf 2015
|
108.9
|
108.4
|
108.9
|
Awst 2015
|
109.7
|
109.3
|
109.8
|
Medi 2015
|
110.3
|
110.4
|
110.3
|
Hydref 2015
|
110.6
|
111.0
|
110.8
|
Tachwedd 2015
|
111.1
|
111.7
|
111.4
|
Rhagfyr 2015
|
113.4
|
114.1
|
113.9
|
Ionawr 2016
|
114.4
|
115.0
|
115.1
|
Chwefror 2016
|
115.2
|
115.9
|
116.0
|
Mawrth 2016
|
114.7
|
115.3
|
115.3
|
Ebrill 2016
|
116.6
|
117.2
|
116.9
|
Mai 2016
|
114.9
|
115.1
|
114.8
|
Mehefin 2016
|
113.6
|
113.7
|
113.5
|
Gorffennaf 2016
|
113.0
|
112.9
|
113.0
|
Awst 2016
|
114.4
|
114.3
|
114.3
|
Medi 2016
|
114.4
|
114.2
|
114.5
|
Hydref 2016
|
106.6
|
106.8
|
106.7
|
Tachwedd 2016
|
105.8
|
106.6
|
106.0
|
Rhagfyr 2016
|
106.5
|
107.5
|
106.6
|
Ionawr 2017
|
112.3
|
113.5
|
112.3
|
Chwefror 2017
|
112.5
|
113.5
|
112.2
|
Mawrth 2017
|
112.2
|
113.5
|
111.7
|
Ebrill 2017
|
113.4
|
115.0
|
112.8
|
Mai 2017
|
115.1
|
116.4
|
114.6
|
Mehefin 2017
|
117.4
|
118.4
|
117.0
|
Gorffennaf 2017
|
120.6
|
121.0
|
120.3
|
Awst 2017
|
121.6
|
122.6
|
121.4
|
Medi 2017
|
119.4
|
120.8
|
119.5
|
Hydref 2017
|
116.8
|
118.8
|
117.1
|
Tachwedd 2017
|
116.3
|
118.1
|
116.8
|
Rhagfyr 2017
|
115.2
|
117.0
|
115.8
|
Ionawr 2018
|
114.5
|
116.0
|
115.0
|
Chwefror 2018
|
114.0
|
115.6
|
114.2
|
Mawrth 2018
|
116.7
|
118.0
|
116.9
|
Ebrill 2018
|
117.4
|
118.9
|
117.8
|
Mai 2018
|
117.1
|
118.7
|
117.9
|
Mehefin 2018
|
116.2
|
118.2
|
117.4
|
Gorffennaf 2018
|
117.8
|
120.4
|
119.1
|
Awst 2018
|
119.1
|
121.8
|
120.4
|
Medi 2018
|
118.2
|
121.1
|
119.4
|
Hydref 2018
|
117.7
|
120.6
|
118.8
|
Tachwedd 2018
|
118.0
|
121.6
|
119.5
|
Rhagfyr 2018
|
119.8
|
123.1
|
121.4
|
Ionawr 2019
|
117.7
|
121.2
|
119.5
|
Chwefror 2019
|
114.5
|
117.9
|
116.0
|
Mawrth 2019
|
111.9
|
115.6
|
113.3
|
Ebrill 2019
|
113.2
|
116.7
|
114.6
|
Mai 2019
|
114.4
|
117.4
|
115.8
|
Mehefin 2019
|
115.4
|
118.2
|
116.9
|
Gorffennaf 2019
|
114.7
|
117.3
|
116.2
|
Awst 2019
|
115.8
|
118.9
|
117.4
|
Medi 2019
|
117.8
|
121.1
|
119.1
|
Hydref 2019
|
118.8
|
122.4
|
120.4
|
Tachwedd 2019
|
116.2
|
119.6
|
118.2
|
Rhagfyr 2019
|
115.1
|
118.5
|
117.6
|
Ionawr 2020
|
114.5
|
117.8
|
117.0
|
Chwefror 2020
|
118.4
|
122.1
|
120.9
|
Mawrth 2020
|
118.4
|
122.4
|
120.9
|
Ebrill 2020
|
117.4
|
122.2
|
119.8
|
Mai 2020
|
115.2
|
120.0
|
117.5
|
Mehefin 2020
|
115.9
|
120.4
|
118.4
|
Gorffennaf 2020
|
118.1
|
121.9
|
120.8
|
Statws y prynwr
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol yn ôl y math o brynwr e.e. Prynwr am y Tro Cyntaf neu Gyn Berchen-Feddiannydd
Dyddiad
|
Prynwyr am y tro cyntaf
|
Ionawr 2000
|
|
Chwefror 2000
|
|
Mawrth 2000
|
|
Ebrill 2000
|
|
Mai 2000
|
|
Mehefin 2000
|
|
Gorffennaf 2000
|
|
Awst 2000
|
|
Medi 2000
|
|
Hydref 2000
|
|
Tachwedd 2000
|
|
Rhagfyr 2000
|
|
Ionawr 2001
|
|
Chwefror 2001
|
|
Mawrth 2001
|
|
Ebrill 2001
|
|
Mai 2001
|
|
Mehefin 2001
|
|
Gorffennaf 2001
|
|
Awst 2001
|
|
Medi 2001
|
|
Hydref 2001
|
|
Tachwedd 2001
|
|
Rhagfyr 2001
|
|
Ionawr 2002
|
|
Chwefror 2002
|
|
Mawrth 2002
|
|
Ebrill 2002
|
|
Mai 2002
|
|
Mehefin 2002
|
|
Gorffennaf 2002
|
|
Awst 2002
|
|
Medi 2002
|
|
Hydref 2002
|
|
Tachwedd 2002
|
|
Rhagfyr 2002
|
|
Ionawr 2003
|
|
Chwefror 2003
|
|
Mawrth 2003
|
|
Ebrill 2003
|
|
Mai 2003
|
|
Mehefin 2003
|
|
Gorffennaf 2003
|
|
Awst 2003
|
|
Medi 2003
|
|
Hydref 2003
|
|
Tachwedd 2003
|
|
Rhagfyr 2003
|
|
Ionawr 2004
|
|
Chwefror 2004
|
|
Mawrth 2004
|
|
Ebrill 2004
|
|
Mai 2004
|
|
Mehefin 2004
|
|
Gorffennaf 2004
|
|
Awst 2004
|
|
Medi 2004
|
|
Hydref 2004
|
|
Tachwedd 2004
|
|
Rhagfyr 2004
|
|
Ionawr 2005
|
|
Chwefror 2005
|
|
Mawrth 2005
|
|
Ebrill 2005
|
|
Mai 2005
|
|
Mehefin 2005
|
|
Gorffennaf 2005
|
|
Awst 2005
|
|
Medi 2005
|
|
Hydref 2005
|
|
Tachwedd 2005
|
|
Rhagfyr 2005
|
|
Ionawr 2006
|
|
Chwefror 2006
|
|
Mawrth 2006
|
|
Ebrill 2006
|
|
Mai 2006
|
|
Mehefin 2006
|
|
Gorffennaf 2006
|
|
Awst 2006
|
|
Medi 2006
|
|
Hydref 2006
|
|
Tachwedd 2006
|
|
Rhagfyr 2006
|
|
Ionawr 2007
|
|
Chwefror 2007
|
|
Mawrth 2007
|
|
Ebrill 2007
|
|
Mai 2007
|
|
Mehefin 2007
|
|
Gorffennaf 2007
|
|
Awst 2007
|
|
Medi 2007
|
|
Hydref 2007
|
|
Tachwedd 2007
|
|
Rhagfyr 2007
|
|
Ionawr 2008
|
|
Chwefror 2008
|
|
Mawrth 2008
|
|
Ebrill 2008
|
|
Mai 2008
|
|
Mehefin 2008
|
|
Gorffennaf 2008
|
|
Awst 2008
|
|
Medi 2008
|
|
Hydref 2008
|
|
Tachwedd 2008
|
|
Rhagfyr 2008
|
|
Ionawr 2009
|
|
Chwefror 2009
|
|
Mawrth 2009
|
|
Ebrill 2009
|
|
Mai 2009
|
|
Mehefin 2009
|
|
Gorffennaf 2009
|
|
Awst 2009
|
|
Medi 2009
|
|
Hydref 2009
|
|
Tachwedd 2009
|
|
Rhagfyr 2009
|
|
Ionawr 2010
|
|
Chwefror 2010
|
|
Mawrth 2010
|
|
Ebrill 2010
|
|
Mai 2010
|
|
Mehefin 2010
|
|
Gorffennaf 2010
|
|
Awst 2010
|
|
Medi 2010
|
|
Hydref 2010
|
|
Tachwedd 2010
|
|
Rhagfyr 2010
|
|
Ionawr 2011
|
|
Chwefror 2011
|
|
Mawrth 2011
|
|
Ebrill 2011
|
|
Mai 2011
|
|
Mehefin 2011
|
|
Gorffennaf 2011
|
|
Awst 2011
|
|
Medi 2011
|
|
Hydref 2011
|
|
Tachwedd 2011
|
|
Rhagfyr 2011
|
|
Ionawr 2012
|
251685.0
|
Chwefror 2012
|
245904.0
|
Mawrth 2012
|
242879.0
|
Ebrill 2012
|
246951.0
|
Mai 2012
|
254965.0
|
Mehefin 2012
|
257287.0
|
Gorffennaf 2012
|
257844.0
|
Awst 2012
|
256623.0
|
Medi 2012
|
263926.0
|
Hydref 2012
|
259155.0
|
Tachwedd 2012
|
261104.0
|
Rhagfyr 2012
|
260604.0
|
Ionawr 2013
|
269882.0
|
Chwefror 2013
|
269184.0
|
Mawrth 2013
|
273033.0
|
Ebrill 2013
|
273303.0
|
Mai 2013
|
278614.0
|
Mehefin 2013
|
276817.0
|
Gorffennaf 2013
|
278354.0
|
Awst 2013
|
279574.0
|
Medi 2013
|
278187.0
|
Hydref 2013
|
281562.0
|
Tachwedd 2013
|
281143.0
|
Rhagfyr 2013
|
293255.0
|
Ionawr 2014
|
286911.0
|
Chwefror 2014
|
290533.0
|
Mawrth 2014
|
283071.0
|
Ebrill 2014
|
295080.0
|
Mai 2014
|
303314.0
|
Mehefin 2014
|
316254.0
|
Gorffennaf 2014
|
318904.0
|
Awst 2014
|
320640.0
|
Medi 2014
|
322470.0
|
Hydref 2014
|
320233.0
|
Tachwedd 2014
|
317823.0
|
Rhagfyr 2014
|
314547.0
|
Ionawr 2015
|
323562.0
|
Chwefror 2015
|
329124.0
|
Mawrth 2015
|
333754.0
|
Ebrill 2015
|
332772.0
|
Mai 2015
|
338515.0
|
Mehefin 2015
|
347361.0
|
Gorffennaf 2015
|
352328.0
|
Awst 2015
|
355224.0
|
Medi 2015
|
356811.0
|
Hydref 2015
|
357996.0
|
Tachwedd 2015
|
359511.0
|
Rhagfyr 2015
|
367092.0
|
Ionawr 2016
|
370153.0
|
Chwefror 2016
|
372659.0
|
Mawrth 2016
|
371200.0
|
Ebrill 2016
|
377368.0
|
Mai 2016
|
371961.0
|
Mehefin 2016
|
367990.0
|
Gorffennaf 2016
|
366237.0
|
Awst 2016
|
370564.0
|
Medi 2016
|
370529.0
|
Hydref 2016
|
345022.0
|
Tachwedd 2016
|
342264.0
|
Rhagfyr 2016
|
344448.0
|
Ionawr 2017
|
363179.0
|
Chwefror 2017
|
364207.0
|
Mawrth 2017
|
362943.0
|
Ebrill 2017
|
366882.0
|
Mai 2017
|
372560.0
|
Mehefin 2017
|
380260.0
|
Gorffennaf 2017
|
390562.0
|
Awst 2017
|
393316.0
|
Medi 2017
|
386159.0
|
Hydref 2017
|
377521.0
|
Tachwedd 2017
|
375929.0
|
Rhagfyr 2017
|
372203.0
|
Ionawr 2018
|
370201.0
|
Chwefror 2018
|
368771.0
|
Mawrth 2018
|
377589.0
|
Ebrill 2018
|
379726.0
|
Mai 2018
|
377754.0
|
Mehefin 2018
|
374761.0
|
Gorffennaf 2018
|
379368.0
|
Awst 2018
|
383807.0
|
Medi 2018
|
380396.0
|
Hydref 2018
|
379015.0
|
Tachwedd 2018
|
379749.0
|
Rhagfyr 2018
|
385783.0
|
Ionawr 2019
|
378893.0
|
Chwefror 2019
|
369155.0
|
Mawrth 2019
|
360447.0
|
Ebrill 2019
|
364888.0
|
Mai 2019
|
368289.0
|
Mehefin 2019
|
371524.0
|
Gorffennaf 2019
|
369283.0
|
Awst 2019
|
372496.0
|
Medi 2019
|
378875.0
|
Hydref 2019
|
381741.0
|
Tachwedd 2019
|
373392.0
|
Rhagfyr 2019
|
370184.0
|
Ionawr 2020
|
368269.0
|
Chwefror 2020
|
380700.0
|
Mawrth 2020
|
380612.0
|
Ebrill 2020
|
377025.0
|
Mai 2020
|
370012.0
|
Mehefin 2020
|
372033.0
|
Gorffennaf 2020
|
379467.0
|
Dyddiad
|
Prynwyr am y tro cyntaf
|
Ionawr 2000
|
|
Chwefror 2000
|
|
Mawrth 2000
|
|
Ebrill 2000
|
|
Mai 2000
|
|
Mehefin 2000
|
|
Gorffennaf 2000
|
|
Awst 2000
|
|
Medi 2000
|
|
Hydref 2000
|
|
Tachwedd 2000
|
|
Rhagfyr 2000
|
|
Ionawr 2001
|
|
Chwefror 2001
|
|
Mawrth 2001
|
|
Ebrill 2001
|
|
Mai 2001
|
|
Mehefin 2001
|
|
Gorffennaf 2001
|
|
Awst 2001
|
|
Medi 2001
|
|
Hydref 2001
|
|
Tachwedd 2001
|
|
Rhagfyr 2001
|
|
Ionawr 2002
|
|
Chwefror 2002
|
|
Mawrth 2002
|
|
Ebrill 2002
|
|
Mai 2002
|
|
Mehefin 2002
|
|
Gorffennaf 2002
|
|
Awst 2002
|
|
Medi 2002
|
|
Hydref 2002
|
|
Tachwedd 2002
|
|
Rhagfyr 2002
|
|
Ionawr 2003
|
|
Chwefror 2003
|
|
Mawrth 2003
|
|
Ebrill 2003
|
|
Mai 2003
|
|
Mehefin 2003
|
|
Gorffennaf 2003
|
|
Awst 2003
|
|
Medi 2003
|
|
Hydref 2003
|
|
Tachwedd 2003
|
|
Rhagfyr 2003
|
|
Ionawr 2004
|
|
Chwefror 2004
|
|
Mawrth 2004
|
|
Ebrill 2004
|
|
Mai 2004
|
|
Mehefin 2004
|
|
Gorffennaf 2004
|
|
Awst 2004
|
|
Medi 2004
|
|
Hydref 2004
|
|
Tachwedd 2004
|
|
Rhagfyr 2004
|
|
Ionawr 2005
|
|
Chwefror 2005
|
|
Mawrth 2005
|
|
Ebrill 2005
|
|
Mai 2005
|
|
Mehefin 2005
|
|
Gorffennaf 2005
|
|
Awst 2005
|
|
Medi 2005
|
|
Hydref 2005
|
|
Tachwedd 2005
|
|
Rhagfyr 2005
|
|
Ionawr 2006
|
|
Chwefror 2006
|
|
Mawrth 2006
|
|
Ebrill 2006
|
|
Mai 2006
|
|
Mehefin 2006
|
|
Gorffennaf 2006
|
|
Awst 2006
|
|
Medi 2006
|
|
Hydref 2006
|
|
Tachwedd 2006
|
|
Rhagfyr 2006
|
|
Ionawr 2007
|
|
Chwefror 2007
|
|
Mawrth 2007
|
|
Ebrill 2007
|
|
Mai 2007
|
|
Mehefin 2007
|
|
Gorffennaf 2007
|
|
Awst 2007
|
|
Medi 2007
|
|
Hydref 2007
|
|
Tachwedd 2007
|
|
Rhagfyr 2007
|
|
Ionawr 2008
|
|
Chwefror 2008
|
|
Mawrth 2008
|
|
Ebrill 2008
|
|
Mai 2008
|
|
Mehefin 2008
|
|
Gorffennaf 2008
|
|
Awst 2008
|
|
Medi 2008
|
|
Hydref 2008
|
|
Tachwedd 2008
|
|
Rhagfyr 2008
|
|
Ionawr 2009
|
|
Chwefror 2009
|
|
Mawrth 2009
|
|
Ebrill 2009
|
|
Mai 2009
|
|
Mehefin 2009
|
|
Gorffennaf 2009
|
|
Awst 2009
|
|
Medi 2009
|
|
Hydref 2009
|
|
Tachwedd 2009
|
|
Rhagfyr 2009
|
|
Ionawr 2010
|
|
Chwefror 2010
|
|
Mawrth 2010
|
|
Ebrill 2010
|
|
Mai 2010
|
|
Mehefin 2010
|
|
Gorffennaf 2010
|
|
Awst 2010
|
|
Medi 2010
|
|
Hydref 2010
|
|
Tachwedd 2010
|
|
Rhagfyr 2010
|
|
Ionawr 2011
|
|
Chwefror 2011
|
|
Mawrth 2011
|
|
Ebrill 2011
|
|
Mai 2011
|
|
Mehefin 2011
|
|
Gorffennaf 2011
|
|
Awst 2011
|
|
Medi 2011
|
|
Hydref 2011
|
|
Tachwedd 2011
|
|
Rhagfyr 2011
|
|
Ionawr 2012
|
|
Chwefror 2012
|
|
Mawrth 2012
|
|
Ebrill 2012
|
|
Mai 2012
|
|
Mehefin 2012
|
|
Gorffennaf 2012
|
|
Awst 2012
|
|
Medi 2012
|
|
Hydref 2012
|
|
Tachwedd 2012
|
|
Rhagfyr 2012
|
|
Ionawr 2013
|
7.2
|
Chwefror 2013
|
9.5
|
Mawrth 2013
|
12.4
|
Ebrill 2013
|
10.7
|
Mai 2013
|
9.3
|
Mehefin 2013
|
7.6
|
Gorffennaf 2013
|
8.0
|
Awst 2013
|
8.9
|
Medi 2013
|
5.4
|
Hydref 2013
|
8.6
|
Tachwedd 2013
|
7.7
|
Rhagfyr 2013
|
12.5
|
Ionawr 2014
|
6.3
|
Chwefror 2014
|
7.9
|
Mawrth 2014
|
3.7
|
Ebrill 2014
|
8.0
|
Mai 2014
|
8.9
|
Mehefin 2014
|
14.2
|
Gorffennaf 2014
|
14.6
|
Awst 2014
|
14.7
|
Medi 2014
|
15.9
|
Hydref 2014
|
13.7
|
Tachwedd 2014
|
13.0
|
Rhagfyr 2014
|
7.3
|
Ionawr 2015
|
12.8
|
Chwefror 2015
|
13.3
|
Mawrth 2015
|
17.9
|
Ebrill 2015
|
12.8
|
Mai 2015
|
11.6
|
Mehefin 2015
|
9.8
|
Gorffennaf 2015
|
10.5
|
Awst 2015
|
10.8
|
Medi 2015
|
10.6
|
Hydref 2015
|
11.8
|
Tachwedd 2015
|
13.1
|
Rhagfyr 2015
|
16.7
|
Ionawr 2016
|
14.4
|
Chwefror 2016
|
13.2
|
Mawrth 2016
|
11.2
|
Ebrill 2016
|
13.4
|
Mai 2016
|
9.9
|
Mehefin 2016
|
5.9
|
Gorffennaf 2016
|
4.0
|
Awst 2016
|
4.3
|
Medi 2016
|
3.8
|
Hydref 2016
|
-3.6
|
Tachwedd 2016
|
-4.8
|
Rhagfyr 2016
|
-6.2
|
Ionawr 2017
|
-1.9
|
Chwefror 2017
|
-2.3
|
Mawrth 2017
|
-2.2
|
Ebrill 2017
|
-1.4
|
Mai 2017
|
0.8
|
Mehefin 2017
|
3.3
|
Gorffennaf 2017
|
6.6
|
Awst 2017
|
6.1
|
Medi 2017
|
4.2
|
Hydref 2017
|
9.4
|
Tachwedd 2017
|
9.8
|
Rhagfyr 2017
|
8.1
|
Ionawr 2018
|
1.9
|
Chwefror 2018
|
1.2
|
Mawrth 2018
|
4.0
|
Ebrill 2018
|
3.5
|
Mai 2018
|
1.4
|
Mehefin 2018
|
-1.4
|
Gorffennaf 2018
|
-2.9
|
Awst 2018
|
-2.4
|
Medi 2018
|
-1.5
|
Hydref 2018
|
0.4
|
Tachwedd 2018
|
1.0
|
Rhagfyr 2018
|
3.6
|
Ionawr 2019
|
2.4
|
Chwefror 2019
|
0.1
|
Mawrth 2019
|
-4.5
|
Ebrill 2019
|
-3.9
|
Mai 2019
|
-2.5
|
Mehefin 2019
|
-0.9
|
Gorffennaf 2019
|
-2.7
|
Awst 2019
|
-3.0
|
Medi 2019
|
-0.4
|
Hydref 2019
|
0.7
|
Tachwedd 2019
|
-1.7
|
Rhagfyr 2019
|
-4.0
|
Ionawr 2020
|
-2.8
|
Chwefror 2020
|
3.1
|
Mawrth 2020
|
5.6
|
Ebrill 2020
|
3.3
|
Mai 2020
|
0.5
|
Mehefin 2020
|
0.1
|
Gorffennaf 2020
|
2.8
|
Dyddiad
|
Prynwyr am y tro cyntaf
|
Ionawr 2000
|
|
Chwefror 2000
|
|
Mawrth 2000
|
|
Ebrill 2000
|
|
Mai 2000
|
|
Mehefin 2000
|
|
Gorffennaf 2000
|
|
Awst 2000
|
|
Medi 2000
|
|
Hydref 2000
|
|
Tachwedd 2000
|
|
Rhagfyr 2000
|
|
Ionawr 2001
|
|
Chwefror 2001
|
|
Mawrth 2001
|
|
Ebrill 2001
|
|
Mai 2001
|
|
Mehefin 2001
|
|
Gorffennaf 2001
|
|
Awst 2001
|
|
Medi 2001
|
|
Hydref 2001
|
|
Tachwedd 2001
|
|
Rhagfyr 2001
|
|
Ionawr 2002
|
|
Chwefror 2002
|
|
Mawrth 2002
|
|
Ebrill 2002
|
|
Mai 2002
|
|
Mehefin 2002
|
|
Gorffennaf 2002
|
|
Awst 2002
|
|
Medi 2002
|
|
Hydref 2002
|
|
Tachwedd 2002
|
|
Rhagfyr 2002
|
|
Ionawr 2003
|
|
Chwefror 2003
|
|
Mawrth 2003
|
|
Ebrill 2003
|
|
Mai 2003
|
|
Mehefin 2003
|
|
Gorffennaf 2003
|
|
Awst 2003
|
|
Medi 2003
|
|
Hydref 2003
|
|
Tachwedd 2003
|
|
Rhagfyr 2003
|
|
Ionawr 2004
|
|
Chwefror 2004
|
|
Mawrth 2004
|
|
Ebrill 2004
|
|
Mai 2004
|
|
Mehefin 2004
|
|
Gorffennaf 2004
|
|
Awst 2004
|
|
Medi 2004
|
|
Hydref 2004
|
|
Tachwedd 2004
|
|
Rhagfyr 2004
|
|
Ionawr 2005
|
|
Chwefror 2005
|
|
Mawrth 2005
|
|
Ebrill 2005
|
|
Mai 2005
|
|
Mehefin 2005
|
|
Gorffennaf 2005
|
|
Awst 2005
|
|
Medi 2005
|
|
Hydref 2005
|
|
Tachwedd 2005
|
|
Rhagfyr 2005
|
|
Ionawr 2006
|
|
Chwefror 2006
|
|
Mawrth 2006
|
|
Ebrill 2006
|
|
Mai 2006
|
|
Mehefin 2006
|
|
Gorffennaf 2006
|
|
Awst 2006
|
|
Medi 2006
|
|
Hydref 2006
|
|
Tachwedd 2006
|
|
Rhagfyr 2006
|
|
Ionawr 2007
|
|
Chwefror 2007
|
|
Mawrth 2007
|
|
Ebrill 2007
|
|
Mai 2007
|
|
Mehefin 2007
|
|
Gorffennaf 2007
|
|
Awst 2007
|
|
Medi 2007
|
|
Hydref 2007
|
|
Tachwedd 2007
|
|
Rhagfyr 2007
|
|
Ionawr 2008
|
|
Chwefror 2008
|
|
Mawrth 2008
|
|
Ebrill 2008
|
|
Mai 2008
|
|
Mehefin 2008
|
|
Gorffennaf 2008
|
|
Awst 2008
|
|
Medi 2008
|
|
Hydref 2008
|
|
Tachwedd 2008
|
|
Rhagfyr 2008
|
|
Ionawr 2009
|
|
Chwefror 2009
|
|
Mawrth 2009
|
|
Ebrill 2009
|
|
Mai 2009
|
|
Mehefin 2009
|
|
Gorffennaf 2009
|
|
Awst 2009
|
|
Medi 2009
|
|
Hydref 2009
|
|
Tachwedd 2009
|
|
Rhagfyr 2009
|
|
Ionawr 2010
|
|
Chwefror 2010
|
|
Mawrth 2010
|
|
Ebrill 2010
|
|
Mai 2010
|
|
Mehefin 2010
|
|
Gorffennaf 2010
|
|
Awst 2010
|
|
Medi 2010
|
|
Hydref 2010
|
|
Tachwedd 2010
|
|
Rhagfyr 2010
|
|
Ionawr 2011
|
|
Chwefror 2011
|
|
Mawrth 2011
|
|
Ebrill 2011
|
|
Mai 2011
|
|
Mehefin 2011
|
|
Gorffennaf 2011
|
|
Awst 2011
|
|
Medi 2011
|
|
Hydref 2011
|
|
Tachwedd 2011
|
|
Rhagfyr 2011
|
|
Ionawr 2012
|
|
Chwefror 2012
|
-2.3
|
Mawrth 2012
|
-1.2
|
Ebrill 2012
|
1.7
|
Mai 2012
|
3.2
|
Mehefin 2012
|
0.9
|
Gorffennaf 2012
|
0.2
|
Awst 2012
|
-0.5
|
Medi 2012
|
2.8
|
Hydref 2012
|
-1.8
|
Tachwedd 2012
|
0.8
|
Rhagfyr 2012
|
-0.2
|
Ionawr 2013
|
3.6
|
Chwefror 2013
|
-0.3
|
Mawrth 2013
|
1.4
|
Ebrill 2013
|
0.1
|
Mai 2013
|
1.9
|
Mehefin 2013
|
-0.6
|
Gorffennaf 2013
|
0.6
|
Awst 2013
|
0.4
|
Medi 2013
|
-0.5
|
Hydref 2013
|
1.2
|
Tachwedd 2013
|
-0.2
|
Rhagfyr 2013
|
4.3
|
Ionawr 2014
|
-2.2
|
Chwefror 2014
|
1.3
|
Mawrth 2014
|
-2.6
|
Ebrill 2014
|
4.2
|
Mai 2014
|
2.8
|
Mehefin 2014
|
4.3
|
Gorffennaf 2014
|
0.8
|
Awst 2014
|
0.5
|
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
|
0.4
|
Hydref 2015
|
0.3
|
Tachwedd 2015
|
0.4
|
Rhagfyr 2015
|
2.1
|
Ionawr 2016
|
0.8
|
Chwefror 2016
|
0.7
|
Mawrth 2016
|
-0.4
|
Ebrill 2016
|
1.7
|
Mai 2016
|
-1.4
|
Mehefin 2016
|
-1.1
|
Gorffennaf 2016
|
-0.5
|
Awst 2016
|
1.2
|
Medi 2016
|
-0.0
|
Hydref 2016
|
-6.9
|
Tachwedd 2016
|
-0.8
|
Rhagfyr 2016
|
0.6
|
Ionawr 2017
|
5.4
|
Chwefror 2017
|
0.3
|
Mawrth 2017
|
-0.4
|
Ebrill 2017
|
1.1
|
Mai 2017
|
1.6
|
Mehefin 2017
|
2.1
|
Gorffennaf 2017
|
2.7
|
Awst 2017
|
0.7
|
Medi 2017
|
-1.8
|
Hydref 2017
|
-2.2
|
Tachwedd 2017
|
-0.4
|
Rhagfyr 2017
|
-1.0
|
Ionawr 2018
|
-0.5
|
Chwefror 2018
|
-0.4
|
Mawrth 2018
|
2.4
|
Ebrill 2018
|
0.6
|
Mai 2018
|
-0.5
|
Mehefin 2018
|
-0.8
|
Gorffennaf 2018
|
1.2
|
Awst 2018
|
1.2
|
Medi 2018
|
-0.9
|
Hydref 2018
|
-0.4
|
Tachwedd 2018
|
0.2
|
Rhagfyr 2018
|
1.6
|
Ionawr 2019
|
-1.8
|
Chwefror 2019
|
-2.6
|
Mawrth 2019
|
-2.4
|
Ebrill 2019
|
1.2
|
Mai 2019
|
0.9
|
Mehefin 2019
|
0.9
|
Gorffennaf 2019
|
-0.6
|
Awst 2019
|
0.9
|
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
|
-0.0
|
Ebrill 2020
|
-0.9
|
Mai 2020
|
-1.9
|
Mehefin 2020
|
0.6
|
Gorffennaf 2020
|
2.0
|
Dyddiad
|
Prynwyr am y tro cyntaf
|
Ionawr 2000
|
|
Chwefror 2000
|
|
Mawrth 2000
|
|
Ebrill 2000
|
|
Mai 2000
|
|
Mehefin 2000
|
|
Gorffennaf 2000
|
|
Awst 2000
|
|
Medi 2000
|
|
Hydref 2000
|
|
Tachwedd 2000
|
|
Rhagfyr 2000
|
|
Ionawr 2001
|
|
Chwefror 2001
|
|
Mawrth 2001
|
|
Ebrill 2001
|
|
Mai 2001
|
|
Mehefin 2001
|
|
Gorffennaf 2001
|
|
Awst 2001
|
|
Medi 2001
|
|
Hydref 2001
|
|
Tachwedd 2001
|
|
Rhagfyr 2001
|
|
Ionawr 2002
|
|
Chwefror 2002
|
|
Mawrth 2002
|
|
Ebrill 2002
|
|
Mai 2002
|
|
Mehefin 2002
|
|
Gorffennaf 2002
|
|
Awst 2002
|
|
Medi 2002
|
|
Hydref 2002
|
|
Tachwedd 2002
|
|
Rhagfyr 2002
|
|
Ionawr 2003
|
|
Chwefror 2003
|
|
Mawrth 2003
|
|
Ebrill 2003
|
|
Mai 2003
|
|
Mehefin 2003
|
|
Gorffennaf 2003
|
|
Awst 2003
|
|
Medi 2003
|
|
Hydref 2003
|
|
Tachwedd 2003
|
|
Rhagfyr 2003
|
|
Ionawr 2004
|
|
Chwefror 2004
|
|
Mawrth 2004
|
|
Ebrill 2004
|
|
Mai 2004
|
|
Mehefin 2004
|
|
Gorffennaf 2004
|
|
Awst 2004
|
|
Medi 2004
|
|
Hydref 2004
|
|
Tachwedd 2004
|
|
Rhagfyr 2004
|
|
Ionawr 2005
|
|
Chwefror 2005
|
|
Mawrth 2005
|
|
Ebrill 2005
|
|
Mai 2005
|
|
Mehefin 2005
|
|
Gorffennaf 2005
|
|
Awst 2005
|
|
Medi 2005
|
|
Hydref 2005
|
|
Tachwedd 2005
|
|
Rhagfyr 2005
|
|
Ionawr 2006
|
|
Chwefror 2006
|
|
Mawrth 2006
|
|
Ebrill 2006
|
|
Mai 2006
|
|
Mehefin 2006
|
|
Gorffennaf 2006
|
|
Awst 2006
|
|
Medi 2006
|
|
Hydref 2006
|
|
Tachwedd 2006
|
|
Rhagfyr 2006
|
|
Ionawr 2007
|
|
Chwefror 2007
|
|
Mawrth 2007
|
|
Ebrill 2007
|
|
Mai 2007
|
|
Mehefin 2007
|
|
Gorffennaf 2007
|
|
Awst 2007
|
|
Medi 2007
|
|
Hydref 2007
|
|
Tachwedd 2007
|
|
Rhagfyr 2007
|
|
Ionawr 2008
|
|
Chwefror 2008
|
|
Mawrth 2008
|
|
Ebrill 2008
|
|
Mai 2008
|
|
Mehefin 2008
|
|
Gorffennaf 2008
|
|
Awst 2008
|
|
Medi 2008
|
|
Hydref 2008
|
|
Tachwedd 2008
|
|
Rhagfyr 2008
|
|
Ionawr 2009
|
|
Chwefror 2009
|
|
Mawrth 2009
|
|
Ebrill 2009
|
|
Mai 2009
|
|
Mehefin 2009
|
|
Gorffennaf 2009
|
|
Awst 2009
|
|
Medi 2009
|
|
Hydref 2009
|
|
Tachwedd 2009
|
|
Rhagfyr 2009
|
|
Ionawr 2010
|
|
Chwefror 2010
|
|
Mawrth 2010
|
|
Ebrill 2010
|
|
Mai 2010
|
|
Mehefin 2010
|
|
Gorffennaf 2010
|
|
Awst 2010
|
|
Medi 2010
|
|
Hydref 2010
|
|
Tachwedd 2010
|
|
Rhagfyr 2010
|
|
Ionawr 2011
|
|
Chwefror 2011
|
|
Mawrth 2011
|
|
Ebrill 2011
|
|
Mai 2011
|
|
Mehefin 2011
|
|
Gorffennaf 2011
|
|
Awst 2011
|
|
Medi 2011
|
|
Hydref 2011
|
|
Tachwedd 2011
|
|
Rhagfyr 2011
|
|
Ionawr 2012
|
77.8
|
Chwefror 2012
|
76.0
|
Mawrth 2012
|
75.1
|
Ebrill 2012
|
76.3
|
Mai 2012
|
78.8
|
Mehefin 2012
|
79.5
|
Gorffennaf 2012
|
79.7
|
Awst 2012
|
79.3
|
Medi 2012
|
81.6
|
Hydref 2012
|
80.1
|
Tachwedd 2012
|
80.7
|
Rhagfyr 2012
|
80.5
|
Ionawr 2013
|
83.4
|
Chwefror 2013
|
83.2
|
Mawrth 2013
|
84.4
|
Ebrill 2013
|
84.5
|
Mai 2013
|
86.1
|
Mehefin 2013
|
85.6
|
Gorffennaf 2013
|
86.0
|
Awst 2013
|
86.4
|
Medi 2013
|
86.0
|
Hydref 2013
|
87.0
|
Tachwedd 2013
|
86.9
|
Rhagfyr 2013
|
90.6
|
Ionawr 2014
|
88.7
|
Chwefror 2014
|
89.8
|
Mawrth 2014
|
87.5
|
Ebrill 2014
|
91.2
|
Mai 2014
|
93.7
|
Mehefin 2014
|
97.7
|
Gorffennaf 2014
|
98.6
|
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
|
102.8
|
Mai 2015
|
104.6
|
Mehefin 2015
|
107.4
|
Gorffennaf 2015
|
108.9
|
Awst 2015
|
109.8
|
Medi 2015
|
110.3
|
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
|
116.6
|
Mai 2016
|
115.0
|
Mehefin 2016
|
113.7
|
Gorffennaf 2016
|
113.2
|
Awst 2016
|
114.5
|
Medi 2016
|
114.5
|
Hydref 2016
|
106.6
|
Tachwedd 2016
|
105.8
|
Rhagfyr 2016
|
106.4
|
Ionawr 2017
|
112.2
|
Chwefror 2017
|
112.6
|
Mawrth 2017
|
112.2
|
Ebrill 2017
|
113.4
|
Mai 2017
|
115.1
|
Mehefin 2017
|
117.5
|
Gorffennaf 2017
|
120.7
|
Awst 2017
|
121.6
|
Medi 2017
|
119.4
|
Hydref 2017
|
116.7
|
Tachwedd 2017
|
116.2
|
Rhagfyr 2017
|
115.0
|
Ionawr 2018
|
114.4
|
Chwefror 2018
|
114.0
|
Mawrth 2018
|
116.7
|
Ebrill 2018
|
117.4
|
Mai 2018
|
116.8
|
Mehefin 2018
|
115.8
|
Gorffennaf 2018
|
117.2
|
Awst 2018
|
118.6
|
Medi 2018
|
117.6
|
Hydref 2018
|
117.1
|
Tachwedd 2018
|
117.4
|
Rhagfyr 2018
|
119.2
|
Ionawr 2019
|
117.1
|
Chwefror 2019
|
114.1
|
Mawrth 2019
|
111.4
|
Ebrill 2019
|
112.8
|
Mai 2019
|
113.8
|
Mehefin 2019
|
114.8
|
Gorffennaf 2019
|
114.1
|
Awst 2019
|
115.1
|
Medi 2019
|
117.1
|
Hydref 2019
|
118.0
|
Tachwedd 2019
|
115.4
|
Rhagfyr 2019
|
114.4
|
Ionawr 2020
|
113.8
|
Chwefror 2020
|
117.7
|
Mawrth 2020
|
117.6
|
Ebrill 2020
|
116.5
|
Mai 2020
|
114.4
|
Mehefin 2020
|
115.0
|
Gorffennaf 2020
|
117.3
|
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
Dyddiad
|
Adeilad newydd
|
Eiddo presennol
|
Ionawr 2000
|
145262.0
|
111462.0
|
Chwefror 2000
|
150287.0
|
114983.0
|
Mawrth 2000
|
155595.0
|
119871.0
|
Ebrill 2000
|
163388.0
|
125461.0
|
Mai 2000
|
167147.0
|
128628.0
|
Mehefin 2000
|
168807.0
|
130143.0
|
Gorffennaf 2000
|
165802.0
|
128522.0
|
Awst 2000
|
170076.0
|
131327.0
|
Medi 2000
|
171975.0
|
132308.0
|
Hydref 2000
|
174274.0
|
133391.0
|
Tachwedd 2000
|
171090.0
|
130125.0
|
Rhagfyr 2000
|
171869.0
|
129134.0
|
Ionawr 2001
|
177232.0
|
131596.0
|
Chwefror 2001
|
184069.0
|
135719.0
|
Mawrth 2001
|
183084.0
|
135762.0
|
Ebrill 2001
|
185091.0
|
137840.0
|
Mai 2001
|
183133.0
|
138851.0
|
Mehefin 2001
|
187729.0
|
142610.0
|
Gorffennaf 2001
|
191823.0
|
146396.0
|
Awst 2001
|
202954.0
|
153559.0
|
Medi 2001
|
211158.0
|
158831.0
|
Hydref 2001
|
211532.0
|
157645.0
|
Tachwedd 2001
|
211140.0
|
156973.0
|
Rhagfyr 2001
|
208036.0
|
153631.0
|
Ionawr 2002
|
211976.0
|
156432.0
|
Chwefror 2002
|
211664.0
|
154760.0
|
Mawrth 2002
|
221485.0
|
161806.0
|
Ebrill 2002
|
225782.0
|
164618.0
|
Mai 2002
|
231221.0
|
170817.0
|
Mehefin 2002
|
232267.0
|
173354.0
|
Gorffennaf 2002
|
232049.0
|
175677.0
|
Awst 2002
|
233919.0
|
177349.0
|
Medi 2002
|
237706.0
|
181687.0
|
Hydref 2002
|
240095.0
|
183007.0
|
Tachwedd 2002
|
245292.0
|
187546.0
|
Rhagfyr 2002
|
243034.0
|
185364.0
|
Ionawr 2003
|
243827.0
|
187505.0
|
Chwefror 2003
|
242800.0
|
186625.0
|
Mawrth 2003
|
248117.0
|
189634.0
|
Ebrill 2003
|
247896.0
|
188542.0
|
Mai 2003
|
244766.0
|
187180.0
|
Mehefin 2003
|
244744.0
|
187576.0
|
Gorffennaf 2003
|
249020.0
|
191059.0
|
Awst 2003
|
251188.0
|
192690.0
|
Medi 2003
|
251226.0
|
194855.0
|
Hydref 2003
|
250438.0
|
195033.0
|
Tachwedd 2003
|
254566.0
|
198894.0
|
Rhagfyr 2003
|
253113.0
|
197185.0
|
Ionawr 2004
|
256953.0
|
199069.0
|
Chwefror 2004
|
256277.0
|
195509.0
|
Mawrth 2004
|
256657.0
|
193970.0
|
Ebrill 2004
|
258593.0
|
196343.0
|
Mai 2004
|
260811.0
|
199151.0
|
Mehefin 2004
|
267527.0
|
204715.0
|
Gorffennaf 2004
|
265045.0
|
203953.0
|
Awst 2004
|
270300.0
|
209536.0
|
Medi 2004
|
275386.0
|
215268.0
|
Hydref 2004
|
279341.0
|
217054.0
|
Tachwedd 2004
|
279485.0
|
216311.0
|
Rhagfyr 2004
|
275827.0
|
211634.0
|
Ionawr 2005
|
281285.0
|
212484.0
|
Chwefror 2005
|
274488.0
|
204342.0
|
Mawrth 2005
|
281078.0
|
206374.0
|
Ebrill 2005
|
283141.0
|
206443.0
|
Mai 2005
|
289981.0
|
211007.0
|
Mehefin 2005
|
285559.0
|
208013.0
|
Gorffennaf 2005
|
286207.0
|
210135.0
|
Awst 2005
|
290047.0
|
213653.0
|
Medi 2005
|
294935.0
|
218204.0
|
Hydref 2005
|
293914.0
|
217028.0
|
Tachwedd 2005
|
292644.0
|
215507.0
|
Rhagfyr 2005
|
289324.0
|
211717.0
|
Ionawr 2006
|
290024.0
|
212093.0
|
Chwefror 2006
|
296712.0
|
215632.0
|
Mawrth 2006
|
306982.0
|
223080.0
|
Ebrill 2006
|
314992.0
|
227725.0
|
Mai 2006
|
324540.0
|
235144.0
|
Mehefin 2006
|
323163.0
|
234856.0
|
Gorffennaf 2006
|
327014.0
|
239895.0
|
Awst 2006
|
320447.0
|
237854.0
|
Medi 2006
|
326298.0
|
243274.0
|
Hydref 2006
|
327010.0
|
243993.0
|
Tachwedd 2006
|
332640.0
|
248484.0
|
Rhagfyr 2006
|
337750.0
|
252597.0
|
Ionawr 2007
|
339268.0
|
253762.0
|
Chwefror 2007
|
340593.0
|
253999.0
|
Mawrth 2007
|
336530.0
|
252474.0
|
Ebrill 2007
|
340009.0
|
256554.0
|
Mai 2007
|
347877.0
|
261401.0
|
Mehefin 2007
|
351111.0
|
264002.0
|
Gorffennaf 2007
|
354247.0
|
264920.0
|
Awst 2007
|
352708.0
|
267292.0
|
Medi 2007
|
350275.0
|
265893.0
|
Hydref 2007
|
352233.0
|
268006.0
|
Tachwedd 2007
|
354521.0
|
268833.0
|
Rhagfyr 2007
|
364119.0
|
274773.0
|
Ionawr 2008
|
356999.0
|
268965.0
|
Chwefror 2008
|
354745.0
|
264419.0
|
Mawrth 2008
|
347592.0
|
257189.0
|
Ebrill 2008
|
342587.0
|
253318.0
|
Mai 2008
|
338034.0
|
250886.0
|
Mehefin 2008
|
338425.0
|
251839.0
|
Gorffennaf 2008
|
339210.0
|
252531.0
|
Awst 2008
|
326876.0
|
245807.0
|
Medi 2008
|
311011.0
|
235055.0
|
Hydref 2008
|
299183.0
|
226957.0
|
Tachwedd 2008
|
295614.0
|
222966.0
|
Rhagfyr 2008
|
295582.0
|
224161.0
|
Ionawr 2009
|
300154.0
|
225789.0
|
Chwefror 2009
|
299475.0
|
222535.0
|
Mawrth 2009
|
296132.0
|
216298.0
|
Ebrill 2009
|
300647.0
|
218466.0
|
Mai 2009
|
312443.0
|
228172.0
|
Mehefin 2009
|
316804.0
|
233667.0
|
Gorffennaf 2009
|
313738.0
|
234293.0
|
Awst 2009
|
318511.0
|
241535.0
|
Medi 2009
|
331311.0
|
251716.0
|
Hydref 2009
|
330977.0
|
252433.0
|
Tachwedd 2009
|
326425.0
|
249051.0
|
Rhagfyr 2009
|
319140.0
|
245773.0
|
Ionawr 2010
|
323298.0
|
253346.0
|
Chwefror 2010
|
325604.0
|
255306.0
|
Mawrth 2010
|
331290.0
|
257705.0
|
Ebrill 2010
|
336713.0
|
259015.0
|
Mai 2010
|
338646.0
|
261060.0
|
Mehefin 2010
|
332662.0
|
259041.0
|
Gorffennaf 2010
|
332139.0
|
260632.0
|
Awst 2010
|
332367.0
|
261636.0
|
Medi 2010
|
344419.0
|
269725.0
|
Hydref 2010
|
352834.0
|
273195.0
|
Tachwedd 2010
|
352239.0
|
271384.0
|
Rhagfyr 2010
|
349405.0
|
267358.0
|
Ionawr 2011
|
340616.0
|
259067.0
|
Chwefror 2011
|
337983.0
|
255603.0
|
Mawrth 2011
|
340575.0
|
255986.0
|
Ebrill 2011
|
348578.0
|
261760.0
|
Mai 2011
|
356147.0
|
265279.0
|
Mehefin 2011
|
358118.0
|
268357.0
|
Gorffennaf 2011
|
362011.0
|
270601.0
|
Awst 2011
|
360952.0
|
272898.0
|
Medi 2011
|
355725.0
|
270394.0
|
Hydref 2011
|
358394.0
|
273745.0
|
Tachwedd 2011
|
371181.0
|
281586.0
|
Rhagfyr 2011
|
377873.0
|
284869.0
|
Ionawr 2012
|
376117.0
|
283412.0
|
Chwefror 2012
|
365256.0
|
275934.0
|
Mawrth 2012
|
362539.0
|
273011.0
|
Ebrill 2012
|
368373.0
|
277592.0
|
Mai 2012
|
380145.0
|
286505.0
|
Mehefin 2012
|
381109.0
|
289837.0
|
Gorffennaf 2012
|
378758.0
|
291128.0
|
Awst 2012
|
373274.0
|
290581.0
|
Medi 2012
|
383546.0
|
298941.0
|
Hydref 2012
|
380166.0
|
292915.0
|
Tachwedd 2012
|
387214.0
|
294364.0
|
Rhagfyr 2012
|
389876.0
|
293336.0
|
Ionawr 2013
|
401097.0
|
304291.0
|
Chwefror 2013
|
398319.0
|
303480.0
|
Mawrth 2013
|
403752.0
|
307175.0
|
Ebrill 2013
|
406873.0
|
306328.0
|
Mai 2013
|
415646.0
|
311949.0
|
Mehefin 2013
|
410951.0
|
310494.0
|
Gorffennaf 2013
|
410869.0
|
313054.0
|
Awst 2013
|
411651.0
|
314884.0
|
Medi 2013
|
410527.0
|
313177.0
|
Hydref 2013
|
418025.0
|
316361.0
|
Tachwedd 2013
|
418726.0
|
315273.0
|
Rhagfyr 2013
|
438195.0
|
328003.0
|
Ionawr 2014
|
428310.0
|
320818.0
|
Chwefror 2014
|
434925.0
|
324593.0
|
Mawrth 2014
|
422846.0
|
316655.0
|
Ebrill 2014
|
441763.0
|
329820.0
|
Mai 2014
|
455091.0
|
338619.0
|
Mehefin 2014
|
473359.0
|
353285.0
|
Gorffennaf 2014
|
475201.0
|
356775.0
|
Awst 2014
|
473646.0
|
360036.0
|
Medi 2014
|
475031.0
|
362582.0
|
Hydref 2014
|
472039.0
|
359957.0
|
Tachwedd 2014
|
467985.0
|
357209.0
|
Rhagfyr 2014
|
465221.0
|
352936.0
|
Ionawr 2015
|
480461.0
|
362683.0
|
Chwefror 2015
|
495725.0
|
367777.0
|
Mawrth 2015
|
504212.0
|
372990.0
|
Ebrill 2015
|
502429.0
|
371722.0
|
Mai 2015
|
506812.0
|
378372.0
|
Mehefin 2015
|
513744.0
|
388556.0
|
Gorffennaf 2015
|
519340.0
|
394356.0
|
Awst 2015
|
520621.0
|
397864.0
|
Medi 2015
|
524658.0
|
399630.0
|
Hydref 2015
|
525234.0
|
400873.0
|
Tachwedd 2015
|
528181.0
|
402564.0
|
Rhagfyr 2015
|
545032.0
|
410464.0
|
Ionawr 2016
|
551992.0
|
413812.0
|
Chwefror 2016
|
555718.0
|
416536.0
|
Mawrth 2016
|
543636.0
|
415886.0
|
Ebrill 2016
|
557398.0
|
422126.0
|
Mai 2016
|
558496.0
|
414959.0
|
Mehefin 2016
|
561823.0
|
409251.0
|
Gorffennaf 2016
|
554713.0
|
407869.0
|
Awst 2016
|
553133.0
|
413498.0
|
Medi 2016
|
551155.0
|
413888.0
|
Hydref 2016
|
515600.0
|
385161.0
|
Tachwedd 2016
|
515065.0
|
382101.0
|
Rhagfyr 2016
|
520693.0
|
384266.0
|
Ionawr 2017
|
551151.0
|
405113.0
|
Chwefror 2017
|
554667.0
|
405711.0
|
Mawrth 2017
|
555325.0
|
404157.0
|
Ebrill 2017
|
559634.0
|
408790.0
|
Mai 2017
|
568135.0
|
415073.0
|
Mehefin 2017
|
576963.0
|
424057.0
|
Gorffennaf 2017
|
591492.0
|
435604.0
|
Awst 2017
|
592944.0
|
439757.0
|
Medi 2017
|
582977.0
|
431878.0
|
Hydref 2017
|
571639.0
|
422307.0
|
Tachwedd 2017
|
568655.0
|
420570.0
|
Rhagfyr 2017
|
562371.0
|
416548.0
|
Ionawr 2018
|
561182.0
|
413760.0
|
Chwefror 2018
|
569181.0
|
409578.0
|
Mawrth 2018
|
585572.0
|
418902.0
|
Ebrill 2018
|
589735.0
|
421313.0
|
Mai 2018
|
579839.0
|
421927.0
|
Mehefin 2018
|
574504.0
|
419238.0
|
Gorffennaf 2018
|
579533.0
|
425547.0
|
Awst 2018
|
587358.0
|
430124.0
|
Medi 2018
|
581311.0
|
427035.0
|
Hydref 2018
|
581262.0
|
424553.0
|
Tachwedd 2018
|
578860.0
|
427019.0
|
Rhagfyr 2018
|
590191.0
|
432497.0
|
Ionawr 2019
|
577832.0
|
425616.0
|
Chwefror 2019
|
573992.0
|
412185.0
|
Mawrth 2019
|
561368.0
|
402791.0
|
Ebrill 2019
|
569982.0
|
407262.0
|
Mai 2019
|
568250.0
|
412231.0
|
Mehefin 2019
|
569745.0
|
416484.0
|
Gorffennaf 2019
|
568240.0
|
413795.0
|
Awst 2019
|
575192.0
|
417689.0
|
Medi 2019
|
590932.0
|
424185.0
|
Hydref 2019
|
594078.0
|
427879.0
|
Tachwedd 2019
|
572874.0
|
419517.0
|
Rhagfyr 2019
|
556638.0
|
417104.0
|
Ionawr 2020
|
556391.0
|
414616.0
|
Chwefror 2020
|
580173.0
|
427825.0
|
Mawrth 2020
|
590214.0
|
426683.0
|
Ebrill 2020
|
586649.0
|
422862.0
|
Mai 2020
|
582670.0
|
413942.0
|
Mehefin 2020
|
578446.0
|
417449.0
|
Gorffennaf 2020
|
584149.0
|
426388.0
|
Dyddiad
|
Adeilad newydd
|
Eiddo presennol
|
Ionawr 2000
|
11.7
|
11.9
|
Chwefror 2000
|
16.6
|
17.3
|
Mawrth 2000
|
19.9
|
21.9
|
Ebrill 2000
|
25.3
|
25.8
|
Mai 2000
|
26.4
|
27.5
|
Mehefin 2000
|
25.8
|
26.6
|
Gorffennaf 2000
|
22.2
|
24.0
|
Awst 2000
|
22.3
|
22.4
|
Medi 2000
|
22.1
|
21.5
|
Hydref 2000
|
24.2
|
23.3
|
Tachwedd 2000
|
22.8
|
21.4
|
Rhagfyr 2000
|
22.0
|
20.0
|
Ionawr 2001
|
22.0
|
18.1
|
Chwefror 2001
|
22.5
|
18.0
|
Mawrth 2001
|
17.7
|
13.3
|
Ebrill 2001
|
13.3
|
9.9
|
Mai 2001
|
9.6
|
8.0
|
Mehefin 2001
|
11.2
|
9.6
|
Gorffennaf 2001
|
15.7
|
13.9
|
Awst 2001
|
19.3
|
16.9
|
Medi 2001
|
22.8
|
20.0
|
Hydref 2001
|
21.4
|
18.2
|
Tachwedd 2001
|
23.4
|
20.6
|
Rhagfyr 2001
|
21.0
|
19.0
|
Ionawr 2002
|
19.6
|
18.9
|
Chwefror 2002
|
15.0
|
14.0
|
Mawrth 2002
|
21.0
|
19.2
|
Ebrill 2002
|
22.0
|
19.4
|
Mai 2002
|
26.3
|
23.0
|
Mehefin 2002
|
23.7
|
21.6
|
Gorffennaf 2002
|
21.0
|
20.0
|
Awst 2002
|
15.3
|
15.5
|
Medi 2002
|
12.6
|
14.4
|
Hydref 2002
|
13.5
|
16.1
|
Tachwedd 2002
|
16.2
|
19.5
|
Rhagfyr 2002
|
16.8
|
20.7
|
Ionawr 2003
|
15.0
|
19.9
|
Chwefror 2003
|
14.7
|
20.6
|
Mawrth 2003
|
12.0
|
17.2
|
Ebrill 2003
|
9.8
|
14.5
|
Mai 2003
|
5.9
|
9.6
|
Mehefin 2003
|
5.4
|
8.2
|
Gorffennaf 2003
|
7.3
|
8.8
|
Awst 2003
|
7.4
|
8.6
|
Medi 2003
|
5.7
|
7.2
|
Hydref 2003
|
4.3
|
6.6
|
Tachwedd 2003
|
3.8
|
6.0
|
Rhagfyr 2003
|
4.2
|
6.4
|
Ionawr 2004
|
5.4
|
6.2
|
Chwefror 2004
|
5.6
|
4.8
|
Mawrth 2004
|
3.4
|
2.3
|
Ebrill 2004
|
4.3
|
4.1
|
Mai 2004
|
6.6
|
6.4
|
Mehefin 2004
|
9.3
|
9.1
|
Gorffennaf 2004
|
6.4
|
6.8
|
Awst 2004
|
7.6
|
8.7
|
Medi 2004
|
9.6
|
10.5
|
Hydref 2004
|
11.5
|
11.3
|
Tachwedd 2004
|
9.8
|
8.8
|
Rhagfyr 2004
|
9.0
|
7.3
|
Ionawr 2005
|
9.5
|
6.7
|
Chwefror 2005
|
7.1
|
4.5
|
Mawrth 2005
|
9.5
|
6.4
|
Ebrill 2005
|
9.5
|
5.1
|
Mai 2005
|
11.2
|
6.0
|
Mehefin 2005
|
6.7
|
1.6
|
Gorffennaf 2005
|
8.0
|
3.0
|
Awst 2005
|
7.3
|
2.0
|
Medi 2005
|
7.1
|
1.4
|
Hydref 2005
|
5.2
|
-0.0
|
Tachwedd 2005
|
4.7
|
-0.4
|
Rhagfyr 2005
|
4.9
|
0.0
|
Ionawr 2006
|
3.1
|
-0.2
|
Chwefror 2006
|
8.1
|
5.5
|
Mawrth 2006
|
9.2
|
8.1
|
Ebrill 2006
|
11.2
|
10.3
|
Mai 2006
|
11.9
|
11.4
|
Mehefin 2006
|
13.2
|
12.9
|
Gorffennaf 2006
|
14.3
|
14.2
|
Awst 2006
|
10.5
|
11.3
|
Medi 2006
|
10.6
|
11.5
|
Hydref 2006
|
11.3
|
12.4
|
Tachwedd 2006
|
13.7
|
15.3
|
Rhagfyr 2006
|
16.7
|
19.3
|
Ionawr 2007
|
17.0
|
19.6
|
Chwefror 2007
|
14.8
|
17.8
|
Mawrth 2007
|
9.6
|
13.2
|
Ebrill 2007
|
7.9
|
12.7
|
Mai 2007
|
7.2
|
11.2
|
Mehefin 2007
|
8.6
|
12.4
|
Gorffennaf 2007
|
8.3
|
10.4
|
Awst 2007
|
10.1
|
12.4
|
Medi 2007
|
7.4
|
9.3
|
Hydref 2007
|
7.7
|
9.8
|
Tachwedd 2007
|
6.6
|
8.2
|
Rhagfyr 2007
|
7.8
|
8.8
|
Ionawr 2008
|
5.2
|
6.0
|
Chwefror 2008
|
4.2
|
4.1
|
Mawrth 2008
|
3.3
|
1.9
|
Ebrill 2008
|
0.8
|
-1.3
|
Mai 2008
|
-2.8
|
-4.0
|
Mehefin 2008
|
-3.6
|
-4.6
|
Gorffennaf 2008
|
-4.2
|
-4.7
|
Awst 2008
|
-7.3
|
-8.0
|
Medi 2008
|
-11.2
|
-11.6
|
Hydref 2008
|
-15.1
|
-15.3
|
Tachwedd 2008
|
-16.6
|
-17.1
|
Rhagfyr 2008
|
-18.8
|
-18.4
|
Ionawr 2009
|
-15.9
|
-16.0
|
Chwefror 2009
|
-15.6
|
-15.8
|
Mawrth 2009
|
-14.8
|
-15.9
|
Ebrill 2009
|
-12.2
|
-13.8
|
Mai 2009
|
-7.6
|
-9.0
|
Mehefin 2009
|
-6.4
|
-7.2
|
Gorffennaf 2009
|
-7.5
|
-7.2
|
Awst 2009
|
-2.6
|
-1.7
|
Medi 2009
|
6.5
|
7.1
|
Hydref 2009
|
10.6
|
11.2
|
Tachwedd 2009
|
10.4
|
11.7
|
Rhagfyr 2009
|
8.0
|
9.6
|
Ionawr 2010
|
7.7
|
12.2
|
Chwefror 2010
|
8.7
|
14.7
|
Mawrth 2010
|
11.9
|
19.1
|
Ebrill 2010
|
12.0
|
18.6
|
Mai 2010
|
8.4
|
14.4
|
Mehefin 2010
|
5.0
|
10.9
|
Gorffennaf 2010
|
5.9
|
11.2
|
Awst 2010
|
4.4
|
8.3
|
Medi 2010
|
4.0
|
7.2
|
Hydref 2010
|
6.6
|
8.2
|
Tachwedd 2010
|
7.9
|
9.0
|
Rhagfyr 2010
|
9.5
|
8.8
|
Ionawr 2011
|
5.4
|
2.3
|
Chwefror 2011
|
3.8
|
0.1
|
Mawrth 2011
|
2.8
|
-0.7
|
Ebrill 2011
|
3.5
|
1.1
|
Mai 2011
|
5.2
|
1.6
|
Mehefin 2011
|
7.6
|
3.6
|
Gorffennaf 2011
|
9.0
|
3.8
|
Awst 2011
|
8.6
|
4.3
|
Medi 2011
|
3.3
|
0.2
|
Hydref 2011
|
1.6
|
0.2
|
Tachwedd 2011
|
5.4
|
3.8
|
Rhagfyr 2011
|
8.2
|
6.6
|
Ionawr 2012
|
10.4
|
9.4
|
Chwefror 2012
|
8.1
|
8.0
|
Mawrth 2012
|
6.4
|
6.6
|
Ebrill 2012
|
5.7
|
6.0
|
Mai 2012
|
6.7
|
8.0
|
Mehefin 2012
|
6.4
|
8.0
|
Gorffennaf 2012
|
4.6
|
7.6
|
Awst 2012
|
3.4
|
6.5
|
Medi 2012
|
7.8
|
10.6
|
Hydref 2012
|
6.1
|
7.0
|
Tachwedd 2012
|
4.3
|
4.5
|
Rhagfyr 2012
|
3.2
|
3.0
|
Ionawr 2013
|
6.6
|
7.4
|
Chwefror 2013
|
9.0
|
10.0
|
Mawrth 2013
|
11.4
|
12.5
|
Ebrill 2013
|
10.4
|
10.4
|
Mai 2013
|
9.3
|
8.9
|
Mehefin 2013
|
7.8
|
7.1
|
Gorffennaf 2013
|
8.5
|
7.5
|
Awst 2013
|
10.3
|
8.4
|
Medi 2013
|
7.0
|
4.8
|
Hydref 2013
|
10.0
|
8.0
|
Tachwedd 2013
|
8.1
|
7.1
|
Rhagfyr 2013
|
12.4
|
11.8
|
Ionawr 2014
|
6.8
|
5.4
|
Chwefror 2014
|
9.2
|
7.0
|
Mawrth 2014
|
4.7
|
3.1
|
Ebrill 2014
|
8.6
|
7.7
|
Mai 2014
|
9.5
|
8.6
|
Mehefin 2014
|
15.2
|
13.8
|
Gorffennaf 2014
|
15.7
|
14.0
|
Awst 2014
|
15.1
|
14.3
|
Medi 2014
|
15.7
|
15.8
|
Hydref 2014
|
12.9
|
13.8
|
Tachwedd 2014
|
11.8
|
13.3
|
Rhagfyr 2014
|
6.2
|
7.6
|
Ionawr 2015
|
12.2
|
13.0
|
Chwefror 2015
|
14.0
|
13.3
|
Mawrth 2015
|
19.2
|
17.8
|
Ebrill 2015
|
13.7
|
12.7
|
Mai 2015
|
11.4
|
11.7
|
Mehefin 2015
|
8.5
|
10.0
|
Gorffennaf 2015
|
9.3
|
10.5
|
Awst 2015
|
9.9
|
10.5
|
Medi 2015
|
10.4
|
10.2
|
Hydref 2015
|
11.3
|
11.4
|
Tachwedd 2015
|
12.9
|
12.7
|
Rhagfyr 2015
|
17.2
|
16.3
|
Ionawr 2016
|
14.9
|
14.1
|
Chwefror 2016
|
12.1
|
13.3
|
Mawrth 2016
|
7.8
|
11.5
|
Ebrill 2016
|
10.9
|
13.6
|
Mai 2016
|
10.2
|
9.7
|
Mehefin 2016
|
9.4
|
5.3
|
Gorffennaf 2016
|
6.8
|
3.4
|
Awst 2016
|
6.2
|
3.9
|
Medi 2016
|
5.0
|
3.6
|
Hydref 2016
|
-1.8
|
-3.9
|
Tachwedd 2016
|
-2.5
|
-5.1
|
Rhagfyr 2016
|
-4.5
|
-6.4
|
Ionawr 2017
|
-0.2
|
-2.1
|
Chwefror 2017
|
-0.2
|
-2.6
|
Mawrth 2017
|
2.2
|
-2.8
|
Ebrill 2017
|
-0.5
|
-1.4
|
Mai 2017
|
0.8
|
0.9
|
Mehefin 2017
|
2.7
|
3.6
|
Gorffennaf 2017
|
6.6
|
6.8
|
Awst 2017
|
7.2
|
6.4
|
Medi 2017
|
5.8
|
4.4
|
Hydref 2017
|
10.9
|
9.6
|
Tachwedd 2017
|
10.4
|
10.1
|
Rhagfyr 2017
|
8.0
|
8.4
|
Ionawr 2018
|
1.8
|
2.1
|
Chwefror 2018
|
2.6
|
1.0
|
Mawrth 2018
|
5.4
|
3.6
|
Ebrill 2018
|
5.4
|
3.1
|
Mai 2018
|
2.1
|
1.6
|
Mehefin 2018
|
-0.4
|
-1.1
|
Gorffennaf 2018
|
-2.0
|
-2.3
|
Awst 2018
|
-0.9
|
-2.2
|
Medi 2018
|
-0.3
|
-1.1
|
Hydref 2018
|
1.7
|
0.5
|
Tachwedd 2018
|
1.8
|
1.5
|
Rhagfyr 2018
|
5.0
|
3.8
|
Ionawr 2019
|
3.0
|
2.9
|
Chwefror 2019
|
0.8
|
0.6
|
Mawrth 2019
|
-4.1
|
-3.8
|
Ebrill 2019
|
-3.4
|
-3.3
|
Mai 2019
|
-2.0
|
-2.3
|
Mehefin 2019
|
-0.8
|
-0.7
|
Gorffennaf 2019
|
-2.0
|
-2.8
|
Awst 2019
|
-2.1
|
-2.9
|
Medi 2019
|
1.6
|
-0.7
|
Hydref 2019
|
2.2
|
0.8
|
Tachwedd 2019
|
-1.0
|
-1.8
|
Rhagfyr 2019
|
-5.7
|
-3.6
|
Ionawr 2020
|
-3.7
|
-2.6
|
Chwefror 2020
|
1.1
|
3.8
|
Mawrth 2020
|
5.1
|
5.9
|
Ebrill 2020
|
2.9
|
3.8
|
Mai 2020
|
2.5
|
0.4
|
Mehefin 2020
|
1.5
|
0.2
|
Gorffennaf 2020
|
2.8
|
3.0
|
Dyddiad
|
Adeilad newydd
|
Eiddo presennol
|
Ionawr 2000
|
3.1
|
3.5
|
Chwefror 2000
|
3.5
|
3.2
|
Mawrth 2000
|
3.5
|
4.2
|
Ebrill 2000
|
5.0
|
4.7
|
Mai 2000
|
2.3
|
2.5
|
Mehefin 2000
|
1.0
|
1.2
|
Gorffennaf 2000
|
-1.8
|
-1.2
|
Awst 2000
|
2.6
|
2.2
|
Medi 2000
|
1.1
|
0.8
|
Hydref 2000
|
1.3
|
0.8
|
Tachwedd 2000
|
-1.8
|
-2.4
|
Rhagfyr 2000
|
0.5
|
-0.8
|
Ionawr 2001
|
3.1
|
1.9
|
Chwefror 2001
|
3.9
|
3.1
|
Mawrth 2001
|
-0.5
|
0.0
|
Ebrill 2001
|
1.1
|
1.5
|
Mai 2001
|
-1.1
|
0.7
|
Mehefin 2001
|
2.5
|
2.7
|
Gorffennaf 2001
|
2.2
|
2.6
|
Awst 2001
|
5.8
|
4.9
|
Medi 2001
|
4.0
|
3.4
|
Hydref 2001
|
0.2
|
-0.8
|
Tachwedd 2001
|
-0.2
|
-0.4
|
Rhagfyr 2001
|
-1.5
|
-2.1
|
Ionawr 2002
|
1.9
|
1.8
|
Chwefror 2002
|
-0.2
|
-1.1
|
Mawrth 2002
|
4.6
|
4.6
|
Ebrill 2002
|
1.9
|
1.7
|
Mai 2002
|
2.4
|
3.8
|
Mehefin 2002
|
0.4
|
1.5
|
Gorffennaf 2002
|
-0.1
|
1.3
|
Awst 2002
|
0.8
|
1.0
|
Medi 2002
|
1.6
|
2.4
|
Hydref 2002
|
1.0
|
0.7
|
Tachwedd 2002
|
2.2
|
2.5
|
Rhagfyr 2002
|
-0.9
|
-1.2
|
Ionawr 2003
|
0.3
|
1.2
|
Chwefror 2003
|
-0.4
|
-0.5
|
Mawrth 2003
|
2.2
|
1.6
|
Ebrill 2003
|
-0.1
|
-0.6
|
Mai 2003
|
-1.3
|
-0.7
|
Mehefin 2003
|
-0.0
|
0.2
|
Gorffennaf 2003
|
1.8
|
1.9
|
Awst 2003
|
0.9
|
0.8
|
Medi 2003
|
0.0
|
1.1
|
Hydref 2003
|
-0.3
|
0.1
|
Tachwedd 2003
|
1.6
|
2.0
|
Rhagfyr 2003
|
-0.6
|
-0.9
|
Ionawr 2004
|
1.5
|
1.0
|
Chwefror 2004
|
-0.3
|
-1.8
|
Mawrth 2004
|
0.2
|
-0.8
|
Ebrill 2004
|
0.8
|
1.2
|
Mai 2004
|
0.9
|
1.4
|
Mehefin 2004
|
2.6
|
2.8
|
Gorffennaf 2004
|
-0.9
|
-0.4
|
Awst 2004
|
2.0
|
2.7
|
Medi 2004
|
1.9
|
2.7
|
Hydref 2004
|
1.4
|
0.8
|
Tachwedd 2004
|
0.1
|
-0.3
|
Rhagfyr 2004
|
-1.3
|
-2.2
|
Ionawr 2005
|
2.0
|
0.4
|
Chwefror 2005
|
-2.4
|
-3.8
|
Mawrth 2005
|
2.4
|
1.0
|
Ebrill 2005
|
0.7
|
0.0
|
Mai 2005
|
2.4
|
2.2
|
Mehefin 2005
|
-1.5
|
-1.4
|
Gorffennaf 2005
|
0.2
|
1.0
|
Awst 2005
|
1.3
|
1.7
|
Medi 2005
|
1.7
|
2.1
|
Hydref 2005
|
-0.4
|
-0.5
|
Tachwedd 2005
|
-0.4
|
-0.7
|
Rhagfyr 2005
|
-1.1
|
-1.8
|
Ionawr 2006
|
0.2
|
0.2
|
Chwefror 2006
|
2.3
|
1.7
|
Mawrth 2006
|
3.5
|
3.4
|
Ebrill 2006
|
2.6
|
2.1
|
Mai 2006
|
3.0
|
3.3
|
Mehefin 2006
|
-0.4
|
-0.1
|
Gorffennaf 2006
|
1.2
|
2.2
|
Awst 2006
|
-2.0
|
-0.8
|
Medi 2006
|
1.8
|
2.3
|
Hydref 2006
|
0.2
|
0.3
|
Tachwedd 2006
|
1.7
|
1.8
|
Rhagfyr 2006
|
1.5
|
1.7
|
Ionawr 2007
|
0.4
|
0.5
|
Chwefror 2007
|
0.4
|
0.1
|
Mawrth 2007
|
-1.2
|
-0.6
|
Ebrill 2007
|
1.0
|
1.6
|
Mai 2007
|
2.3
|
1.9
|
Mehefin 2007
|
0.9
|
1.0
|
Gorffennaf 2007
|
0.9
|
0.4
|
Awst 2007
|
-0.4
|
0.9
|
Medi 2007
|
-0.7
|
-0.5
|
Hydref 2007
|
0.6
|
0.8
|
Tachwedd 2007
|
0.6
|
0.3
|
Rhagfyr 2007
|
2.7
|
2.2
|
Ionawr 2008
|
-2.0
|
-2.1
|
Chwefror 2008
|
-0.6
|
-1.7
|
Mawrth 2008
|
-2.0
|
-2.7
|
Ebrill 2008
|
-1.4
|
-1.5
|
Mai 2008
|
-1.3
|
-1.0
|
Mehefin 2008
|
0.1
|
0.4
|
Gorffennaf 2008
|
0.2
|
0.3
|
Awst 2008
|
-3.6
|
-2.7
|
Medi 2008
|
-4.8
|
-4.4
|
Hydref 2008
|
-3.8
|
-3.4
|
Tachwedd 2008
|
-1.2
|
-1.8
|
Rhagfyr 2008
|
-0.0
|
0.5
|
Ionawr 2009
|
1.6
|
0.7
|
Chwefror 2009
|
-0.2
|
-1.4
|
Mawrth 2009
|
-1.1
|
-2.8
|
Ebrill 2009
|
1.5
|
1.0
|
Mai 2009
|
3.9
|
4.4
|
Mehefin 2009
|
1.4
|
2.4
|
Gorffennaf 2009
|
-1.0
|
0.3
|
Awst 2009
|
1.5
|
3.1
|
Medi 2009
|
4.0
|
4.2
|
Hydref 2009
|
-0.1
|
0.3
|
Tachwedd 2009
|
-1.4
|
-1.3
|
Rhagfyr 2009
|
-2.2
|
-1.3
|
Ionawr 2010
|
1.3
|
3.1
|
Chwefror 2010
|
0.7
|
0.8
|
Mawrth 2010
|
1.8
|
0.9
|
Ebrill 2010
|
1.6
|
0.5
|
Mai 2010
|
0.6
|
0.8
|
Mehefin 2010
|
-1.8
|
-0.8
|
Gorffennaf 2010
|
-0.2
|
0.6
|
Awst 2010
|
0.1
|
0.4
|
Medi 2010
|
3.6
|
3.1
|
Hydref 2010
|
2.4
|
1.3
|
Tachwedd 2010
|
-0.2
|
-0.7
|
Rhagfyr 2010
|
-0.8
|
-1.5
|
Ionawr 2011
|
-2.5
|
-3.1
|
Chwefror 2011
|
-0.8
|
-1.3
|
Mawrth 2011
|
0.8
|
0.2
|
Ebrill 2011
|
2.4
|
2.3
|
Mai 2011
|
2.2
|
1.3
|
Mehefin 2011
|
0.6
|
1.2
|
Gorffennaf 2011
|
1.1
|
0.8
|
Awst 2011
|
-0.3
|
0.8
|
Medi 2011
|
-1.4
|
-0.9
|
Hydref 2011
|
0.8
|
1.2
|
Tachwedd 2011
|
3.6
|
2.9
|
Rhagfyr 2011
|
1.8
|
1.2
|
Ionawr 2012
|
-0.5
|
-0.5
|
Chwefror 2012
|
-2.9
|
-2.6
|
Mawrth 2012
|
-0.7
|
-1.1
|
Ebrill 2012
|
1.6
|
1.7
|
Mai 2012
|
3.2
|
3.2
|
Mehefin 2012
|
0.2
|
1.2
|
Gorffennaf 2012
|
-0.6
|
0.4
|
Awst 2012
|
-1.4
|
-0.2
|
Medi 2012
|
2.8
|
2.9
|
Hydref 2012
|
-0.9
|
-2.0
|
Tachwedd 2012
|
1.8
|
0.5
|
Rhagfyr 2012
|
0.7
|
-0.4
|
Ionawr 2013
|
2.9
|
3.7
|
Chwefror 2013
|
-0.7
|
-0.3
|
Mawrth 2013
|
1.4
|
1.2
|
Ebrill 2013
|
0.8
|
-0.3
|
Mai 2013
|
2.2
|
1.8
|
Mehefin 2013
|
-1.1
|
-0.5
|
Gorffennaf 2013
|
-0.0
|
0.8
|
Awst 2013
|
0.2
|
0.6
|
Medi 2013
|
-0.3
|
-0.5
|
Hydref 2013
|
1.8
|
1.0
|
Tachwedd 2013
|
0.2
|
-0.3
|
Rhagfyr 2013
|
4.6
|
4.0
|
Ionawr 2014
|
-2.3
|
-2.2
|
Chwefror 2014
|
1.5
|
1.2
|
Mawrth 2014
|
-2.8
|
-2.4
|
Ebrill 2014
|
4.5
|
4.2
|
Mai 2014
|
3.0
|
2.7
|
Mehefin 2014
|
4.0
|
4.3
|
Gorffennaf 2014
|
0.4
|
1.0
|
Awst 2014
|
-0.3
|
0.9
|
Medi 2014
|
0.3
|
0.7
|
Hydref 2014
|
-0.6
|
-0.7
|
Tachwedd 2014
|
-0.9
|
-0.8
|
Rhagfyr 2014
|
-0.6
|
-1.2
|
Ionawr 2015
|
3.3
|
2.8
|
Chwefror 2015
|
3.2
|
1.4
|
Mawrth 2015
|
1.7
|
1.4
|
Ebrill 2015
|
-0.4
|
-0.3
|
Mai 2015
|
0.9
|
1.8
|
Mehefin 2015
|
1.4
|
2.7
|
Gorffennaf 2015
|
1.1
|
1.5
|
Awst 2015
|
0.2
|
0.9
|
Medi 2015
|
0.8
|
0.4
|
Hydref 2015
|
0.1
|
0.3
|
Tachwedd 2015
|
0.6
|
0.4
|
Rhagfyr 2015
|
3.2
|
2.0
|
Ionawr 2016
|
1.3
|
0.8
|
Chwefror 2016
|
0.7
|
0.7
|
Mawrth 2016
|
-2.2
|
-0.2
|
Ebrill 2016
|
2.5
|
1.5
|
Mai 2016
|
0.2
|
-1.7
|
Mehefin 2016
|
0.6
|
-1.4
|
Gorffennaf 2016
|
-1.3
|
-0.3
|
Awst 2016
|
-0.3
|
1.4
|
Medi 2016
|
-0.4
|
0.1
|
Hydref 2016
|
-6.4
|
-6.9
|
Tachwedd 2016
|
-0.1
|
-0.8
|
Rhagfyr 2016
|
1.1
|
0.6
|
Ionawr 2017
|
5.8
|
5.4
|
Chwefror 2017
|
0.6
|
0.2
|
Mawrth 2017
|
0.1
|
-0.4
|
Ebrill 2017
|
0.8
|
1.2
|
Mai 2017
|
1.5
|
1.5
|
Mehefin 2017
|
1.6
|
2.2
|
Gorffennaf 2017
|
2.5
|
2.7
|
Awst 2017
|
0.2
|
1.0
|
Medi 2017
|
-1.7
|
-1.8
|
Hydref 2017
|
-1.9
|
-2.2
|
Tachwedd 2017
|
-0.5
|
-0.4
|
Rhagfyr 2017
|
-1.1
|
-1.0
|
Ionawr 2018
|
-0.2
|
-0.7
|
Chwefror 2018
|
1.4
|
-1.0
|
Mawrth 2018
|
2.9
|
2.3
|
Ebrill 2018
|
0.7
|
0.6
|
Mai 2018
|
-1.7
|
0.2
|
Mehefin 2018
|
-0.9
|
-0.6
|
Gorffennaf 2018
|
0.9
|
1.5
|
Awst 2018
|
1.4
|
1.1
|
Medi 2018
|
-1.0
|
-0.7
|
Hydref 2018
|
-0.0
|
-0.6
|
Tachwedd 2018
|
-0.4
|
0.6
|
Rhagfyr 2018
|
2.0
|
1.3
|
Ionawr 2019
|
-2.1
|
-1.6
|
Chwefror 2019
|
-0.7
|
-3.2
|
Mawrth 2019
|
-2.2
|
-2.3
|
Ebrill 2019
|
1.5
|
1.1
|
Mai 2019
|
-0.3
|
1.2
|
Mehefin 2019
|
0.3
|
1.0
|
Gorffennaf 2019
|
-0.3
|
-0.6
|
Awst 2019
|
1.2
|
0.9
|
Medi 2019
|
2.7
|
1.6
|
Hydref 2019
|
0.5
|
0.9
|
Tachwedd 2019
|
-3.6
|
-2.0
|
Rhagfyr 2019
|
-2.8
|
-0.6
|
Ionawr 2020
|
-0.0
|
-0.6
|
Chwefror 2020
|
4.3
|
3.2
|
Mawrth 2020
|
1.7
|
-0.3
|
Ebrill 2020
|
-0.6
|
-0.9
|
Mai 2020
|
-0.7
|
-2.1
|
Mehefin 2020
|
-0.7
|
0.8
|
Gorffennaf 2020
|
1.0
|
2.1
|
Dyddiad
|
Adeilad newydd
|
Eiddo presennol
|
Ionawr 2000
|
30.2
|
30.7
|
Chwefror 2000
|
31.3
|
31.7
|
Mawrth 2000
|
32.4
|
33.0
|
Ebrill 2000
|
34.0
|
34.6
|
Mai 2000
|
34.8
|
35.5
|
Mehefin 2000
|
35.1
|
35.9
|
Gorffennaf 2000
|
34.5
|
35.4
|
Awst 2000
|
35.4
|
36.2
|
Medi 2000
|
35.8
|
36.5
|
Hydref 2000
|
36.3
|
36.8
|
Tachwedd 2000
|
35.6
|
35.9
|
Rhagfyr 2000
|
35.8
|
35.6
|
Ionawr 2001
|
36.9
|
36.3
|
Chwefror 2001
|
38.3
|
37.4
|
Mawrth 2001
|
38.1
|
37.4
|
Ebrill 2001
|
38.5
|
38.0
|
Mai 2001
|
38.1
|
38.3
|
Mehefin 2001
|
39.1
|
39.3
|
Gorffennaf 2001
|
39.9
|
40.4
|
Awst 2001
|
42.2
|
42.3
|
Medi 2001
|
44.0
|
43.8
|
Hydref 2001
|
44.0
|
43.5
|
Tachwedd 2001
|
44.0
|
43.3
|
Rhagfyr 2001
|
43.3
|
42.4
|
Ionawr 2002
|
44.1
|
43.1
|
Chwefror 2002
|
44.0
|
42.7
|
Mawrth 2002
|
46.1
|
44.6
|
Ebrill 2002
|
47.0
|
45.4
|
Mai 2002
|
48.1
|
47.1
|
Mehefin 2002
|
48.3
|
47.8
|
Gorffennaf 2002
|
48.3
|
48.4
|
Awst 2002
|
48.7
|
48.9
|
Medi 2002
|
49.5
|
50.1
|
Hydref 2002
|
50.0
|
50.5
|
Tachwedd 2002
|
51.0
|
51.7
|
Rhagfyr 2002
|
50.6
|
51.1
|
Ionawr 2003
|
50.8
|
51.7
|
Chwefror 2003
|
50.5
|
51.5
|
Mawrth 2003
|
51.6
|
52.3
|
Ebrill 2003
|
51.6
|
52.0
|
Mai 2003
|
50.9
|
51.6
|
Mehefin 2003
|
50.9
|
51.7
|
Gorffennaf 2003
|
51.8
|
52.7
|
Awst 2003
|
52.3
|
53.1
|
Medi 2003
|
52.3
|
53.7
|
Hydref 2003
|
52.1
|
53.8
|
Tachwedd 2003
|
53.0
|
54.8
|
Rhagfyr 2003
|
52.7
|
54.4
|
Ionawr 2004
|
53.5
|
54.9
|
Chwefror 2004
|
53.3
|
53.9
|
Mawrth 2004
|
53.4
|
53.5
|
Ebrill 2004
|
53.8
|
54.1
|
Mai 2004
|
54.3
|
54.9
|
Mehefin 2004
|
55.7
|
56.4
|
Gorffennaf 2004
|
55.2
|
56.2
|
Awst 2004
|
56.3
|
57.8
|
Medi 2004
|
57.3
|
59.4
|
Hydref 2004
|
58.1
|
59.8
|
Tachwedd 2004
|
58.2
|
59.6
|
Rhagfyr 2004
|
57.4
|
58.4
|
Ionawr 2005
|
58.5
|
58.6
|
Chwefror 2005
|
57.1
|
56.3
|
Mawrth 2005
|
58.5
|
56.9
|
Ebrill 2005
|
58.9
|
56.9
|
Mai 2005
|
60.4
|
58.2
|
Mehefin 2005
|
59.4
|
57.4
|
Gorffennaf 2005
|
59.6
|
57.9
|
Awst 2005
|
60.4
|
58.9
|
Medi 2005
|
61.4
|
60.2
|
Hydref 2005
|
61.2
|
59.8
|
Tachwedd 2005
|
60.9
|
59.4
|
Rhagfyr 2005
|
60.2
|
58.4
|
Ionawr 2006
|
60.4
|
58.5
|
Chwefror 2006
|
61.8
|
59.4
|
Mawrth 2006
|
63.9
|
61.5
|
Ebrill 2006
|
65.6
|
62.8
|
Mai 2006
|
67.6
|
64.8
|
Mehefin 2006
|
67.3
|
64.8
|
Gorffennaf 2006
|
68.1
|
66.1
|
Awst 2006
|
66.7
|
65.6
|
Medi 2006
|
67.9
|
67.1
|
Hydref 2006
|
68.1
|
67.3
|
Tachwedd 2006
|
69.2
|
68.5
|
Rhagfyr 2006
|
70.3
|
69.6
|
Ionawr 2007
|
70.6
|
70.0
|
Chwefror 2007
|
70.9
|
70.0
|
Mawrth 2007
|
70.0
|
69.6
|
Ebrill 2007
|
70.8
|
70.7
|
Mai 2007
|
72.4
|
72.1
|
Mehefin 2007
|
73.1
|
72.8
|
Gorffennaf 2007
|
73.7
|
73.0
|
Awst 2007
|
73.4
|
73.7
|
Medi 2007
|
72.9
|
73.3
|
Hydref 2007
|
73.3
|
73.9
|
Tachwedd 2007
|
73.8
|
74.1
|
Rhagfyr 2007
|
75.8
|
75.8
|
Ionawr 2008
|
74.3
|
74.2
|
Chwefror 2008
|
73.8
|
72.9
|
Mawrth 2008
|
72.4
|
70.9
|
Ebrill 2008
|
71.3
|
69.8
|
Mai 2008
|
70.4
|
69.2
|
Mehefin 2008
|
70.4
|
69.4
|
Gorffennaf 2008
|
70.6
|
69.6
|
Awst 2008
|
68.0
|
67.8
|
Medi 2008
|
64.7
|
64.8
|
Hydref 2008
|
62.3
|
62.6
|
Tachwedd 2008
|
61.5
|
61.5
|
Rhagfyr 2008
|
61.5
|
61.8
|
Ionawr 2009
|
62.5
|
62.3
|
Chwefror 2009
|
62.3
|
61.4
|
Mawrth 2009
|
61.6
|
59.6
|
Ebrill 2009
|
62.6
|
60.2
|
Mai 2009
|
65.0
|
62.9
|
Mehefin 2009
|
65.9
|
64.4
|
Gorffennaf 2009
|
65.3
|
64.6
|
Awst 2009
|
66.3
|
66.6
|
Medi 2009
|
69.0
|
69.4
|
Hydref 2009
|
68.9
|
69.6
|
Tachwedd 2009
|
67.9
|
68.7
|
Rhagfyr 2009
|
66.4
|
67.8
|
Ionawr 2010
|
67.3
|
69.8
|
Chwefror 2010
|
67.8
|
70.4
|
Mawrth 2010
|
69.0
|
71.1
|
Ebrill 2010
|
70.1
|
71.4
|
Mai 2010
|
70.5
|
72.0
|
Mehefin 2010
|
69.2
|
71.4
|
Gorffennaf 2010
|
69.1
|
71.9
|
Awst 2010
|
69.2
|
72.1
|
Medi 2010
|
71.7
|
74.4
|
Hydref 2010
|
73.4
|
75.3
|
Tachwedd 2010
|
73.3
|
74.8
|
Rhagfyr 2010
|
72.7
|
73.7
|
Ionawr 2011
|
70.9
|
71.4
|
Chwefror 2011
|
70.4
|
70.5
|
Mawrth 2011
|
70.9
|
70.6
|
Ebrill 2011
|
72.6
|
72.2
|
Mai 2011
|
74.1
|
73.1
|
Mehefin 2011
|
74.5
|
74.0
|
Gorffennaf 2011
|
75.4
|
74.6
|
Awst 2011
|
75.1
|
75.2
|
Medi 2011
|
74.0
|
74.6
|
Hydref 2011
|
74.6
|
75.5
|
Tachwedd 2011
|
77.3
|
77.6
|
Rhagfyr 2011
|
78.6
|
78.5
|
Ionawr 2012
|
78.3
|
78.1
|
Chwefror 2012
|
76.0
|
76.1
|
Mawrth 2012
|
75.5
|
75.3
|
Ebrill 2012
|
76.7
|
76.5
|
Mai 2012
|
79.1
|
79.0
|
Mehefin 2012
|
79.3
|
79.9
|
Gorffennaf 2012
|
78.8
|
80.3
|
Awst 2012
|
77.7
|
80.1
|
Medi 2012
|
79.8
|
82.4
|
Hydref 2012
|
79.1
|
80.8
|
Tachwedd 2012
|
80.6
|
81.2
|
Rhagfyr 2012
|
81.2
|
80.9
|
Ionawr 2013
|
83.5
|
83.9
|
Chwefror 2013
|
82.9
|
83.7
|
Mawrth 2013
|
84.0
|
84.7
|
Ebrill 2013
|
84.7
|
84.5
|
Mai 2013
|
86.5
|
86.0
|
Mehefin 2013
|
85.5
|
85.6
|
Gorffennaf 2013
|
85.5
|
86.3
|
Awst 2013
|
85.7
|
86.8
|
Medi 2013
|
85.4
|
86.4
|
Hydref 2013
|
87.0
|
87.2
|
Tachwedd 2013
|
87.2
|
86.9
|
Rhagfyr 2013
|
91.2
|
90.4
|
Ionawr 2014
|
89.2
|
88.5
|
Chwefror 2014
|
90.5
|
89.5
|
Mawrth 2014
|
88.0
|
87.3
|
Ebrill 2014
|
92.0
|
90.9
|
Mai 2014
|
94.7
|
93.4
|
Mehefin 2014
|
98.5
|
97.4
|
Gorffennaf 2014
|
98.9
|
98.4
|
Awst 2014
|
98.6
|
99.3
|
Medi 2014
|
98.9
|
100.0
|
Hydref 2014
|
98.2
|
99.2
|
Tachwedd 2014
|
97.4
|
98.5
|
Rhagfyr 2014
|
96.8
|
97.3
|
Ionawr 2015
|
100.0
|
100.0
|
Chwefror 2015
|
103.2
|
101.4
|
Mawrth 2015
|
104.9
|
102.8
|
Ebrill 2015
|
104.6
|
102.5
|
Mai 2015
|
105.5
|
104.3
|
Mehefin 2015
|
106.9
|
107.1
|
Gorffennaf 2015
|
108.1
|
108.7
|
Awst 2015
|
108.4
|
109.7
|
Medi 2015
|
109.2
|
110.2
|
Hydref 2015
|
109.3
|
110.5
|
Tachwedd 2015
|
109.9
|
111.0
|
Rhagfyr 2015
|
113.4
|
113.2
|
Ionawr 2016
|
114.9
|
114.1
|
Chwefror 2016
|
115.7
|
114.8
|
Mawrth 2016
|
113.2
|
114.7
|
Ebrill 2016
|
116.0
|
116.4
|
Mai 2016
|
116.2
|
114.4
|
Mehefin 2016
|
116.9
|
112.8
|
Gorffennaf 2016
|
115.4
|
112.5
|
Awst 2016
|
115.1
|
114.0
|
Medi 2016
|
114.7
|
114.1
|
Hydref 2016
|
107.3
|
106.2
|
Tachwedd 2016
|
107.2
|
105.4
|
Rhagfyr 2016
|
108.4
|
106.0
|
Ionawr 2017
|
114.7
|
111.7
|
Chwefror 2017
|
115.4
|
111.9
|
Mawrth 2017
|
115.6
|
111.4
|
Ebrill 2017
|
116.5
|
112.7
|
Mai 2017
|
118.2
|
114.4
|
Mehefin 2017
|
120.1
|
116.9
|
Gorffennaf 2017
|
123.1
|
120.1
|
Awst 2017
|
123.4
|
121.2
|
Medi 2017
|
121.3
|
119.1
|
Hydref 2017
|
119.0
|
116.4
|
Tachwedd 2017
|
118.4
|
116.0
|
Rhagfyr 2017
|
117.0
|
114.8
|
Ionawr 2018
|
116.8
|
114.1
|
Chwefror 2018
|
118.5
|
112.9
|
Mawrth 2018
|
121.9
|
115.5
|
Ebrill 2018
|
122.7
|
116.2
|
Mai 2018
|
120.7
|
116.3
|
Mehefin 2018
|
119.6
|
115.6
|
Gorffennaf 2018
|
120.6
|
117.3
|
Awst 2018
|
122.2
|
118.6
|
Medi 2018
|
121.0
|
117.7
|
Hydref 2018
|
121.0
|
117.1
|
Tachwedd 2018
|
120.5
|
117.7
|
Rhagfyr 2018
|
122.8
|
119.2
|
Ionawr 2019
|
120.3
|
117.4
|
Chwefror 2019
|
119.5
|
113.6
|
Mawrth 2019
|
116.8
|
111.1
|
Ebrill 2019
|
118.6
|
112.3
|
Mai 2019
|
118.3
|
113.7
|
Mehefin 2019
|
118.6
|
114.8
|
Gorffennaf 2019
|
118.3
|
114.1
|
Awst 2019
|
119.7
|
115.2
|
Medi 2019
|
123.0
|
117.0
|
Hydref 2019
|
123.6
|
118.0
|
Tachwedd 2019
|
119.2
|
115.7
|
Rhagfyr 2019
|
115.9
|
115.0
|
Ionawr 2020
|
115.8
|
114.3
|
Chwefror 2020
|
120.8
|
118.0
|
Mawrth 2020
|
122.8
|
117.6
|
Ebrill 2020
|
122.1
|
116.6
|
Mai 2020
|
121.3
|
114.1
|
Mehefin 2020
|
120.4
|
115.1
|
Gorffennaf 2020
|
121.6
|
117.6
|