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 teras
|
Fflatiau a fflatiau deulawr
|
Ionawr 2002
|
189539.0
|
380195.0
|
170825.0
|
147334.0
|
Chwefror 2002
|
189132.0
|
378554.0
|
170910.0
|
146936.0
|
Mawrth 2002
|
189180.0
|
379313.0
|
171315.0
|
146670.0
|
Ebrill 2002
|
192404.0
|
383257.0
|
174326.0
|
149801.0
|
Mai 2002
|
197285.0
|
390936.0
|
178374.0
|
154125.0
|
Mehefin 2002
|
201145.0
|
396068.0
|
182108.0
|
157604.0
|
Gorffennaf 2002
|
202909.0
|
400745.0
|
183993.0
|
158502.0
|
Awst 2002
|
206661.0
|
408369.0
|
187495.0
|
161430.0
|
Medi 2002
|
212565.0
|
421580.0
|
192756.0
|
165505.0
|
Hydref 2002
|
215958.0
|
427002.0
|
195404.0
|
168405.0
|
Tachwedd 2002
|
218134.0
|
432260.0
|
197075.0
|
170214.0
|
Rhagfyr 2002
|
222347.0
|
438019.0
|
200270.0
|
174131.0
|
Ionawr 2003
|
224875.0
|
441924.0
|
202940.0
|
176487.0
|
Chwefror 2003
|
226229.0
|
441111.0
|
204245.0
|
177760.0
|
Mawrth 2003
|
223739.0
|
437022.0
|
202759.0
|
175436.0
|
Ebrill 2003
|
223337.0
|
434089.0
|
202410.0
|
175025.0
|
Mai 2003
|
222683.0
|
432753.0
|
202453.0
|
174046.0
|
Mehefin 2003
|
225155.0
|
435266.0
|
204381.0
|
176815.0
|
Gorffennaf 2003
|
227790.0
|
439891.0
|
207014.0
|
178763.0
|
Awst 2003
|
232658.0
|
448984.0
|
211370.0
|
182722.0
|
Medi 2003
|
233924.0
|
452582.0
|
213141.0
|
182742.0
|
Hydref 2003
|
232964.0
|
449638.0
|
212554.0
|
182283.0
|
Tachwedd 2003
|
232017.0
|
446520.0
|
211818.0
|
181715.0
|
Rhagfyr 2003
|
233996.0
|
446072.0
|
213857.0
|
184048.0
|
Ionawr 2004
|
235488.0
|
450021.0
|
215203.0
|
184955.0
|
Chwefror 2004
|
237659.0
|
453772.0
|
217431.0
|
186659.0
|
Mawrth 2004
|
239521.0
|
457736.0
|
219409.0
|
187963.0
|
Ebrill 2004
|
242238.0
|
458749.0
|
222871.0
|
190192.0
|
Mai 2004
|
245145.0
|
458799.0
|
226339.0
|
192796.0
|
Mehefin 2004
|
247341.0
|
459806.0
|
228602.0
|
194685.0
|
Gorffennaf 2004
|
251907.0
|
468659.0
|
232957.0
|
197907.0
|
Awst 2004
|
254989.0
|
477718.0
|
235806.0
|
199993.0
|
Medi 2004
|
253122.0
|
477315.0
|
234110.0
|
197933.0
|
Hydref 2004
|
252908.0
|
475510.0
|
233500.0
|
198560.0
|
Tachwedd 2004
|
248400.0
|
465374.0
|
229337.0
|
195239.0
|
Rhagfyr 2004
|
248371.0
|
461844.0
|
229520.0
|
195829.0
|
Ionawr 2005
|
245040.0
|
456130.0
|
226582.0
|
193253.0
|
Chwefror 2005
|
244935.0
|
457246.0
|
226337.0
|
192915.0
|
Mawrth 2005
|
246080.0
|
460339.0
|
227585.0
|
193547.0
|
Ebrill 2005
|
247395.0
|
461047.0
|
229305.0
|
194275.0
|
Mai 2005
|
254013.0
|
471379.0
|
235863.0
|
199740.0
|
Mehefin 2005
|
252876.0
|
467422.0
|
235375.0
|
198892.0
|
Gorffennaf 2005
|
256554.0
|
475795.0
|
239074.0
|
201264.0
|
Awst 2005
|
253237.0
|
471277.0
|
236487.0
|
198256.0
|
Medi 2005
|
256960.0
|
481564.0
|
240013.0
|
200581.0
|
Hydref 2005
|
252041.0
|
471534.0
|
235240.0
|
197223.0
|
Tachwedd 2005
|
253615.0
|
473195.0
|
236705.0
|
198456.0
|
Rhagfyr 2005
|
251130.0
|
464485.0
|
234299.0
|
197327.0
|
Ionawr 2006
|
255200.0
|
473329.0
|
238564.0
|
200166.0
|
Chwefror 2006
|
253180.0
|
469362.0
|
236550.0
|
198981.0
|
Mawrth 2006
|
254284.0
|
475033.0
|
238018.0
|
199007.0
|
Ebrill 2006
|
254843.0
|
474598.0
|
238864.0
|
199643.0
|
Mai 2006
|
258061.0
|
481825.0
|
242011.0
|
201885.0
|
Mehefin 2006
|
264705.0
|
493852.0
|
248323.0
|
207200.0
|
Gorffennaf 2006
|
266619.0
|
498701.0
|
250368.0
|
208070.0
|
Awst 2006
|
271132.0
|
507181.0
|
255246.0
|
211111.0
|
Medi 2006
|
270980.0
|
508936.0
|
254919.0
|
210617.0
|
Hydref 2006
|
275061.0
|
516822.0
|
258479.0
|
214078.0
|
Tachwedd 2006
|
274154.0
|
515371.0
|
257498.0
|
213329.0
|
Rhagfyr 2006
|
277785.0
|
520715.0
|
261324.0
|
216440.0
|
Ionawr 2007
|
278832.0
|
523309.0
|
262293.0
|
216986.0
|
Chwefror 2007
|
284563.0
|
534282.0
|
266965.0
|
221870.0
|
Mawrth 2007
|
289235.0
|
544423.0
|
271620.0
|
224963.0
|
Ebrill 2007
|
294524.0
|
553097.0
|
277326.0
|
229202.0
|
Mai 2007
|
299721.0
|
560693.0
|
282982.0
|
233358.0
|
Mehefin 2007
|
304342.0
|
568881.0
|
287274.0
|
237140.0
|
Gorffennaf 2007
|
310981.0
|
584196.0
|
293181.0
|
241829.0
|
Awst 2007
|
316737.0
|
598571.0
|
299230.0
|
245312.0
|
Medi 2007
|
321174.0
|
610146.0
|
302739.0
|
248430.0
|
Hydref 2007
|
324522.0
|
617020.0
|
305528.0
|
251543.0
|
Tachwedd 2007
|
324972.0
|
619735.0
|
304910.0
|
252287.0
|
Rhagfyr 2007
|
325149.0
|
616895.0
|
305284.0
|
253068.0
|
Ionawr 2008
|
321799.0
|
613035.0
|
301925.0
|
250191.0
|
Chwefror 2008
|
321374.0
|
612923.0
|
301772.0
|
249461.0
|
Mawrth 2008
|
317365.0
|
608541.0
|
298536.0
|
245435.0
|
Ebrill 2008
|
318958.0
|
612922.0
|
301002.0
|
245902.0
|
Mai 2008
|
315910.0
|
606917.0
|
298500.0
|
243333.0
|
Mehefin 2008
|
320612.0
|
615948.0
|
302975.0
|
246795.0
|
Gorffennaf 2008
|
317350.0
|
609542.0
|
299440.0
|
244061.0
|
Awst 2008
|
313744.0
|
603963.0
|
295521.0
|
241247.0
|
Medi 2008
|
305354.0
|
591900.0
|
286978.0
|
234674.0
|
Hydref 2008
|
297327.0
|
575479.0
|
278506.0
|
229547.0
|
Tachwedd 2008
|
291456.0
|
565162.0
|
272857.0
|
225064.0
|
Rhagfyr 2008
|
283509.0
|
547308.0
|
265845.0
|
218984.0
|
Ionawr 2009
|
275113.0
|
533234.0
|
257717.0
|
212254.0
|
Chwefror 2009
|
261903.0
|
505804.0
|
244799.0
|
202629.0
|
Mawrth 2009
|
251763.0
|
485210.0
|
234649.0
|
195384.0
|
Ebrill 2009
|
248155.0
|
473191.0
|
232109.0
|
192883.0
|
Mai 2009
|
253003.0
|
481097.0
|
237815.0
|
196328.0
|
Mehefin 2009
|
255067.0
|
484687.0
|
240776.0
|
197229.0
|
Gorffennaf 2009
|
261318.0
|
499213.0
|
247320.0
|
200514.0
|
Awst 2009
|
268167.0
|
515557.0
|
254036.0
|
204305.0
|
Medi 2009
|
277842.0
|
535847.0
|
263165.0
|
211022.0
|
Hydref 2009
|
282397.0
|
546136.0
|
267447.0
|
214118.0
|
Tachwedd 2009
|
283163.0
|
548001.0
|
269123.0
|
214472.0
|
Rhagfyr 2009
|
283400.0
|
546893.0
|
270330.0
|
214348.0
|
Ionawr 2010
|
289691.0
|
560126.0
|
276876.0
|
217900.0
|
Chwefror 2010
|
286628.0
|
555331.0
|
273674.0
|
214529.0
|
Mawrth 2010
|
295871.0
|
576290.0
|
281510.0
|
221050.0
|
Ebrill 2010
|
295162.0
|
573447.0
|
280685.0
|
221148.0
|
Mai 2010
|
306282.0
|
594272.0
|
291106.0
|
230192.0
|
Mehefin 2010
|
302788.0
|
587128.0
|
288366.0
|
227227.0
|
Gorffennaf 2010
|
310333.0
|
606623.0
|
295974.0
|
232038.0
|
Awst 2010
|
313366.0
|
614062.0
|
299056.0
|
233226.0
|
Medi 2010
|
318736.0
|
628484.0
|
304129.0
|
236444.0
|
Hydref 2010
|
312668.0
|
615119.0
|
298252.0
|
231828.0
|
Tachwedd 2010
|
309684.0
|
610605.0
|
294834.0
|
230123.0
|
Rhagfyr 2010
|
310512.0
|
611279.0
|
295196.0
|
230811.0
|
Ionawr 2011
|
315323.0
|
624929.0
|
299095.0
|
234096.0
|
Chwefror 2011
|
311584.0
|
622053.0
|
295110.0
|
230859.0
|
Mawrth 2011
|
307489.0
|
619753.0
|
291039.0
|
227599.0
|
Ebrill 2011
|
301401.0
|
606591.0
|
285327.0
|
223478.0
|
Mai 2011
|
307574.0
|
610529.0
|
291426.0
|
229212.0
|
Mehefin 2011
|
306942.0
|
601016.0
|
291236.0
|
229259.0
|
Gorffennaf 2011
|
311674.0
|
606871.0
|
295920.0
|
232981.0
|
Awst 2011
|
313480.0
|
615891.0
|
298369.0
|
232292.0
|
Medi 2011
|
316079.0
|
626740.0
|
300999.0
|
233280.0
|
Hydref 2011
|
318089.0
|
634108.0
|
302838.0
|
233732.0
|
Tachwedd 2011
|
315898.0
|
629495.0
|
299991.0
|
233026.0
|
Rhagfyr 2011
|
319354.0
|
630888.0
|
303087.0
|
236568.0
|
Ionawr 2012
|
317886.0
|
625440.0
|
302216.0
|
235412.0
|
Chwefror 2012
|
317949.0
|
627425.0
|
302777.0
|
234697.0
|
Mawrth 2012
|
311914.0
|
616246.0
|
297283.0
|
229984.0
|
Ebrill 2012
|
312482.0
|
616540.0
|
297700.0
|
231147.0
|
Mai 2012
|
318792.0
|
623990.0
|
304158.0
|
236587.0
|
Mehefin 2012
|
322872.0
|
630938.0
|
309478.0
|
239163.0
|
Gorffennaf 2012
|
325938.0
|
638058.0
|
312837.0
|
241020.0
|
Awst 2012
|
329394.0
|
645670.0
|
317186.0
|
242832.0
|
Medi 2012
|
332547.0
|
654913.0
|
319683.0
|
244787.0
|
Hydref 2012
|
336853.0
|
662213.0
|
324059.0
|
248071.0
|
Tachwedd 2012
|
332016.0
|
653306.0
|
319316.0
|
244494.0
|
Rhagfyr 2012
|
336288.0
|
661240.0
|
323874.0
|
247546.0
|
Ionawr 2013
|
335602.0
|
663153.0
|
322906.0
|
246018.0
|
Chwefror 2013
|
337033.0
|
668038.0
|
323541.0
|
246848.0
|
Mawrth 2013
|
337695.0
|
670047.0
|
322632.0
|
247922.0
|
Ebrill 2013
|
341148.0
|
674664.0
|
326374.0
|
251523.0
|
Mai 2013
|
346125.0
|
682843.0
|
331101.0
|
255648.0
|
Mehefin 2013
|
342178.0
|
673985.0
|
328361.0
|
252245.0
|
Gorffennaf 2013
|
341029.0
|
671203.0
|
327550.0
|
250936.0
|
Awst 2013
|
341751.0
|
672670.0
|
328868.0
|
250952.0
|
Medi 2013
|
350119.0
|
692289.0
|
336688.0
|
256867.0
|
Hydref 2013
|
354994.0
|
702797.0
|
340847.0
|
260480.0
|
Tachwedd 2013
|
358743.0
|
709205.0
|
344320.0
|
263573.0
|
Rhagfyr 2013
|
362452.0
|
711216.0
|
348340.0
|
266755.0
|
Ionawr 2014
|
369306.0
|
725686.0
|
354858.0
|
271670.0
|
Chwefror 2014
|
376687.0
|
742587.0
|
361810.0
|
276789.0
|
Mawrth 2014
|
384835.0
|
759751.0
|
369435.0
|
282700.0
|
Ebrill 2014
|
391613.0
|
772193.0
|
376463.0
|
287757.0
|
Mai 2014
|
395975.0
|
777040.0
|
381485.0
|
291216.0
|
Mehefin 2014
|
404272.0
|
791830.0
|
390058.0
|
297260.0
|
Gorffennaf 2014
|
414460.0
|
810992.0
|
400556.0
|
304259.0
|
Awst 2014
|
426372.0
|
837058.0
|
412605.0
|
312114.0
|
Medi 2014
|
427663.0
|
843060.0
|
413893.0
|
312351.0
|
Hydref 2014
|
425277.0
|
838967.0
|
410848.0
|
310877.0
|
Tachwedd 2014
|
427596.0
|
844015.0
|
412430.0
|
312849.0
|
Rhagfyr 2014
|
429222.0
|
846390.0
|
413222.0
|
314648.0
|
Ionawr 2015
|
426903.0
|
841557.0
|
410529.0
|
313098.0
|
Chwefror 2015
|
421760.0
|
830737.0
|
404468.0
|
310046.0
|
Mawrth 2015
|
424484.0
|
835643.0
|
406406.0
|
312381.0
|
Ebrill 2015
|
430152.0
|
847879.0
|
412626.0
|
316251.0
|
Mai 2015
|
428175.0
|
841587.0
|
411115.0
|
314839.0
|
Mehefin 2015
|
429603.0
|
845130.0
|
414284.0
|
314788.0
|
Gorffennaf 2015
|
434523.0
|
852548.0
|
419175.0
|
318352.0
|
Awst 2015
|
449426.0
|
883240.0
|
434391.0
|
328478.0
|
Medi 2015
|
450685.0
|
889381.0
|
434641.0
|
329356.0
|
Hydref 2015
|
450729.0
|
892085.0
|
434967.0
|
328712.0
|
Tachwedd 2015
|
449013.0
|
890467.0
|
433137.0
|
327203.0
|
Rhagfyr 2015
|
460578.0
|
912006.0
|
444389.0
|
335617.0
|
Ionawr 2016
|
465254.0
|
919829.0
|
448017.0
|
339104.0
|
Chwefror 2016
|
468323.0
|
927585.0
|
450296.0
|
341256.0
|
Mawrth 2016
|
470972.0
|
934605.0
|
452173.0
|
343411.0
|
Ebrill 2016
|
478030.0
|
946534.0
|
460098.0
|
349520.0
|
Mai 2016
|
488828.0
|
959349.0
|
471206.0
|
359049.0
|
Mehefin 2016
|
495559.0
|
968086.0
|
478346.0
|
364922.0
|
Gorffennaf 2016
|
497134.0
|
971191.0
|
479137.0
|
365868.0
|
Awst 2016
|
491205.0
|
962985.0
|
473314.0
|
360894.0
|
Medi 2016
|
482733.0
|
945610.0
|
464566.0
|
354362.0
|
Hydref 2016
|
484221.0
|
950149.0
|
464221.0
|
356036.0
|
Tachwedd 2016
|
486864.0
|
958785.0
|
465231.0
|
358304.0
|
Rhagfyr 2016
|
490878.0
|
967895.0
|
468428.0
|
361924.0
|
Ionawr 2017
|
487327.0
|
961174.0
|
465943.0
|
359156.0
|
Chwefror 2017
|
491493.0
|
966501.0
|
469496.0
|
363303.0
|
Mawrth 2017
|
485291.0
|
954330.0
|
463162.0
|
359078.0
|
Ebrill 2017
|
490757.0
|
965938.0
|
467285.0
|
363998.0
|
Mai 2017
|
490578.0
|
962704.0
|
466452.0
|
364262.0
|
Mehefin 2017
|
498756.0
|
974244.0
|
474869.0
|
370725.0
|
Gorffennaf 2017
|
495344.0
|
963276.0
|
471589.0
|
368230.0
|
Awst 2017
|
493796.0
|
963107.0
|
471614.0
|
365870.0
|
Medi 2017
|
497972.0
|
976602.0
|
475273.0
|
367833.0
|
Hydref 2017
|
498162.0
|
981177.0
|
475407.0
|
367258.0
|
Tachwedd 2017
|
492822.0
|
970606.0
|
470000.0
|
363202.0
|
Rhagfyr 2017
|
485525.0
|
955603.0
|
464085.0
|
357543.0
|
Ionawr 2018
|
489984.0
|
962395.0
|
468697.0
|
360710.0
|
Chwefror 2018
|
492696.0
|
969871.0
|
471875.0
|
361899.0
|
Mawrth 2018
|
494430.0
|
970838.0
|
474007.0
|
362671.0
|
Ebrill 2018
|
493941.0
|
970113.0
|
475579.0
|
360973.0
|
Mai 2018
|
501516.0
|
984118.0
|
483796.0
|
365840.0
|
Mehefin 2018
|
511260.0
|
1006411.0
|
492365.0
|
372358.0
|
Gorffennaf 2018
|
510219.0
|
1009415.0
|
490733.0
|
371307.0
|
Awst 2018
|
505055.0
|
1001898.0
|
486034.0
|
367022.0
|
Medi 2018
|
495582.0
|
984591.0
|
477435.0
|
359855.0
|
Hydref 2018
|
492323.0
|
977738.0
|
474410.0
|
357437.0
|
Tachwedd 2018
|
491682.0
|
980348.0
|
473408.0
|
356511.0
|
Rhagfyr 2018
|
485688.0
|
967725.0
|
467133.0
|
352195.0
|
Ionawr 2019
|
482032.0
|
961816.0
|
463051.0
|
349351.0
|
Chwefror 2019
|
475365.0
|
947305.0
|
456256.0
|
344700.0
|
Mawrth 2019
|
474572.0
|
946121.0
|
456529.0
|
343567.0
|
Ebrill 2019
|
474337.0
|
943755.0
|
458022.0
|
343166.0
|
Mai 2019
|
472454.0
|
936929.0
|
457734.0
|
341314.0
|
Mehefin 2019
|
484123.0
|
957961.0
|
469357.0
|
349814.0
|
Gorffennaf 2019
|
501485.0
|
990581.0
|
485990.0
|
362068.0
|
Awst 2019
|
506260.0
|
1001455.0
|
490943.0
|
364949.0
|
Medi 2019
|
502671.0
|
997237.0
|
488211.0
|
362020.0
|
Hydref 2019
|
486686.0
|
968423.0
|
472045.0
|
349772.0
|
Tachwedd 2019
|
490723.0
|
978199.0
|
475446.0
|
352531.0
|
Rhagfyr 2019
|
489050.0
|
976644.0
|
473565.0
|
350981.0
|
Ionawr 2020
|
489836.0
|
977484.0
|
475602.0
|
350946.0
|
Chwefror 2020
|
485528.0
|
973853.0
|
472572.0
|
346234.0
|
Mawrth 2020
|
485856.0
|
976777.0
|
473361.0
|
345087.0
|
Ebrill 2020
|
487345.0
|
987347.0
|
476770.0
|
344505.0
|
Mai 2020
|
485279.0
|
980517.0
|
473706.0
|
344057.0
|
Mehefin 2020
|
480479.0
|
968770.0
|
470734.0
|
339660.0
|
Gorffennaf 2020
|
486150.0
|
974246.0
|
475596.0
|
344511.0
|
Awst 2020
|
499763.0
|
1005738.0
|
490773.0
|
352099.0
|
Medi 2020
|
502063.0
|
1015953.0
|
493102.0
|
352851.0
|
Hydref 2020
|
497516.0
|
1012525.0
|
490377.0
|
347778.0
|
Tachwedd 2020
|
492856.0
|
1004469.0
|
486964.0
|
343860.0
|
Rhagfyr 2020
|
495841.0
|
1011801.0
|
490801.0
|
345437.0
|
Ionawr 2021
|
499640.0
|
1012522.0
|
492940.0
|
350169.0
|
Chwefror 2021
|
501047.0
|
1006122.0
|
492856.0
|
353589.0
|
Mawrth 2021
|
506584.0
|
1005839.0
|
496298.0
|
360654.0
|
Ebrill 2021
|
504776.0
|
1002291.0
|
493955.0
|
359999.0
|
Mai 2021
|
503994.0
|
1002948.0
|
493133.0
|
358987.0
|
Mehefin 2021
|
508889.0
|
1013340.0
|
500129.0
|
361524.0
|
Gorffennaf 2021
|
499732.0
|
1002469.0
|
490351.0
|
354565.0
|
Awst 2021
|
506534.0
|
1028987.0
|
497089.0
|
356976.0
|
Medi 2021
|
507403.0
|
1040139.0
|
497028.0
|
355998.0
|
Hydref 2021
|
526964.0
|
1088369.0
|
516585.0
|
366947.0
|
Tachwedd 2021
|
529285.0
|
1093840.0
|
518795.0
|
368328.0
|
Rhagfyr 2021
|
525368.0
|
1092586.0
|
515192.0
|
364069.0
|
Ionawr 2022
|
523909.0
|
1087256.0
|
515233.0
|
362359.0
|
Chwefror 2022
|
525294.0
|
1087125.0
|
516797.0
|
363845.0
|
Mawrth 2022
|
532067.0
|
1103134.0
|
523169.0
|
367898.0
|
Ebrill 2022
|
536339.0
|
1109938.0
|
528723.0
|
370765.0
|
Mai 2022
|
541118.0
|
1121845.0
|
534933.0
|
372433.0
|
Mehefin 2022
|
542345.0
|
1120395.0
|
537736.0
|
373236.0
|
Gorffennaf 2022
|
559050.0
|
1154544.0
|
555463.0
|
383744.0
|
Awst 2022
|
567150.0
|
1169498.0
|
565332.0
|
388082.0
|
Medi 2022
|
578905.0
|
1198220.0
|
577589.0
|
394803.0
|
Hydref 2022
|
573976.0
|
1188769.0
|
573007.0
|
390714.0
|
Tachwedd 2022
|
567180.0
|
1178615.0
|
565982.0
|
385519.0
|
Rhagfyr 2022
|
559659.0
|
1161041.0
|
558992.0
|
380251.0
|
Ionawr 2023
|
558024.0
|
1161341.0
|
556143.0
|
379173.0
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ionawr 2002
|
10.7
|
8.7
|
9.8
|
12.2
|
Chwefror 2002
|
10.1
|
8.3
|
9.3
|
11.7
|
Mawrth 2002
|
11.4
|
9.4
|
10.5
|
13.0
|
Ebrill 2002
|
12.1
|
9.7
|
11.3
|
14.0
|
Mai 2002
|
13.6
|
11.3
|
12.4
|
15.5
|
Mehefin 2002
|
13.3
|
10.9
|
12.4
|
15.2
|
Gorffennaf 2002
|
12.4
|
10.1
|
11.7
|
14.1
|
Awst 2002
|
13.4
|
10.8
|
12.9
|
15.3
|
Medi 2002
|
14.3
|
11.3
|
13.9
|
15.8
|
Hydref 2002
|
16.0
|
12.8
|
15.6
|
17.5
|
Tachwedd 2002
|
16.1
|
13.4
|
15.8
|
17.3
|
Rhagfyr 2002
|
18.6
|
16.2
|
18.3
|
19.7
|
Ionawr 2003
|
18.6
|
16.2
|
18.8
|
19.8
|
Chwefror 2003
|
19.6
|
16.5
|
19.5
|
21.0
|
Mawrth 2003
|
18.3
|
15.2
|
18.4
|
19.6
|
Ebrill 2003
|
16.1
|
13.3
|
16.1
|
16.8
|
Mai 2003
|
12.9
|
10.7
|
13.5
|
12.9
|
Mehefin 2003
|
11.9
|
9.9
|
12.2
|
12.2
|
Gorffennaf 2003
|
12.3
|
9.8
|
12.5
|
12.8
|
Awst 2003
|
12.6
|
10.0
|
12.7
|
13.2
|
Medi 2003
|
10.0
|
7.4
|
10.6
|
10.4
|
Hydref 2003
|
7.9
|
5.3
|
8.8
|
8.2
|
Tachwedd 2003
|
6.4
|
3.3
|
7.5
|
6.8
|
Rhagfyr 2003
|
5.2
|
1.8
|
6.8
|
5.7
|
Ionawr 2004
|
4.7
|
1.8
|
6.0
|
4.8
|
Chwefror 2004
|
5.0
|
2.9
|
6.5
|
5.0
|
Mawrth 2004
|
7.0
|
4.7
|
8.2
|
7.1
|
Ebrill 2004
|
8.5
|
5.7
|
10.1
|
8.7
|
Mai 2004
|
10.1
|
6.0
|
11.8
|
10.8
|
Mehefin 2004
|
9.8
|
5.6
|
11.8
|
10.1
|
Gorffennaf 2004
|
10.6
|
6.5
|
12.5
|
10.7
|
Awst 2004
|
9.6
|
6.4
|
11.6
|
9.4
|
Medi 2004
|
8.2
|
5.5
|
9.8
|
8.3
|
Hydref 2004
|
8.6
|
5.8
|
9.8
|
8.9
|
Tachwedd 2004
|
7.1
|
4.2
|
8.3
|
7.4
|
Rhagfyr 2004
|
6.1
|
3.5
|
7.3
|
6.4
|
Ionawr 2005
|
4.1
|
1.4
|
5.3
|
4.5
|
Chwefror 2005
|
3.1
|
0.8
|
4.1
|
3.4
|
Mawrth 2005
|
2.7
|
0.6
|
3.7
|
3.0
|
Ebrill 2005
|
2.1
|
0.5
|
2.9
|
2.2
|
Mai 2005
|
3.6
|
2.7
|
4.2
|
3.6
|
Mehefin 2005
|
2.2
|
1.7
|
3.0
|
2.2
|
Gorffennaf 2005
|
1.8
|
1.5
|
2.6
|
1.7
|
Awst 2005
|
-0.7
|
-1.4
|
0.3
|
-0.9
|
Medi 2005
|
1.5
|
0.9
|
2.5
|
1.3
|
Hydref 2005
|
-0.3
|
-0.8
|
0.7
|
-0.7
|
Tachwedd 2005
|
2.1
|
1.7
|
3.2
|
1.6
|
Rhagfyr 2005
|
1.1
|
0.6
|
2.1
|
0.8
|
Ionawr 2006
|
4.2
|
3.8
|
5.3
|
3.6
|
Chwefror 2006
|
3.4
|
2.6
|
4.5
|
3.1
|
Mawrth 2006
|
3.3
|
3.2
|
4.6
|
2.8
|
Ebrill 2006
|
3.0
|
2.9
|
4.2
|
2.8
|
Mai 2006
|
1.6
|
2.2
|
2.6
|
1.1
|
Mehefin 2006
|
4.7
|
5.6
|
5.5
|
4.2
|
Gorffennaf 2006
|
3.9
|
4.8
|
4.7
|
3.4
|
Awst 2006
|
7.1
|
7.6
|
7.9
|
6.5
|
Medi 2006
|
5.5
|
5.7
|
6.2
|
5.0
|
Hydref 2006
|
9.1
|
9.6
|
9.9
|
8.6
|
Tachwedd 2006
|
8.1
|
8.9
|
8.8
|
7.5
|
Rhagfyr 2006
|
10.6
|
12.1
|
11.5
|
9.7
|
Ionawr 2007
|
9.3
|
10.6
|
10.0
|
8.4
|
Chwefror 2007
|
12.4
|
13.8
|
12.9
|
11.5
|
Mawrth 2007
|
13.7
|
14.6
|
14.1
|
13.0
|
Ebrill 2007
|
15.6
|
16.5
|
16.1
|
14.8
|
Mai 2007
|
16.1
|
16.4
|
16.9
|
15.6
|
Mehefin 2007
|
15.0
|
15.2
|
15.7
|
14.4
|
Gorffennaf 2007
|
16.6
|
17.1
|
17.1
|
16.2
|
Awst 2007
|
16.8
|
18.0
|
17.2
|
16.2
|
Medi 2007
|
18.5
|
19.9
|
18.8
|
18.0
|
Hydref 2007
|
18.0
|
19.4
|
18.2
|
17.5
|
Tachwedd 2007
|
18.5
|
20.2
|
18.4
|
18.3
|
Rhagfyr 2007
|
17.0
|
18.5
|
16.8
|
16.9
|
Ionawr 2008
|
15.4
|
17.2
|
15.1
|
15.3
|
Chwefror 2008
|
12.9
|
14.7
|
13.0
|
12.4
|
Mawrth 2008
|
9.7
|
11.8
|
9.9
|
9.1
|
Ebrill 2008
|
8.3
|
10.8
|
8.5
|
7.3
|
Mai 2008
|
5.4
|
8.2
|
5.5
|
4.3
|
Mehefin 2008
|
5.4
|
8.3
|
5.5
|
4.1
|
Gorffennaf 2008
|
2.0
|
4.3
|
2.1
|
0.9
|
Awst 2008
|
-0.9
|
0.9
|
-1.2
|
-1.7
|
Medi 2008
|
-4.9
|
-3.0
|
-5.2
|
-5.5
|
Hydref 2008
|
-8.4
|
-6.7
|
-8.8
|
-8.7
|
Tachwedd 2008
|
-10.3
|
-8.8
|
-10.5
|
-10.8
|
Rhagfyr 2008
|
-12.8
|
-11.3
|
-12.9
|
-13.5
|
Ionawr 2009
|
-14.5
|
-13.0
|
-14.6
|
-15.2
|
Chwefror 2009
|
-18.5
|
-17.5
|
-18.9
|
-18.8
|
Mawrth 2009
|
-20.7
|
-20.3
|
-21.4
|
-20.4
|
Ebrill 2009
|
-22.2
|
-22.8
|
-22.9
|
-21.6
|
Mai 2009
|
-19.9
|
-20.7
|
-20.3
|
-19.3
|
Mehefin 2009
|
-20.4
|
-21.3
|
-20.5
|
-20.1
|
Gorffennaf 2009
|
-17.7
|
-18.1
|
-17.4
|
-17.8
|
Awst 2009
|
-14.5
|
-14.6
|
-14.0
|
-15.3
|
Medi 2009
|
-9.0
|
-9.5
|
-8.3
|
-10.1
|
Hydref 2009
|
-5.0
|
-5.1
|
-4.0
|
-6.7
|
Tachwedd 2009
|
-2.8
|
-3.0
|
-1.4
|
-4.7
|
Rhagfyr 2009
|
-0.0
|
-0.1
|
1.7
|
-2.1
|
Ionawr 2010
|
5.3
|
5.0
|
7.4
|
2.7
|
Chwefror 2010
|
9.4
|
9.8
|
11.8
|
5.9
|
Mawrth 2010
|
17.5
|
18.8
|
20.0
|
13.1
|
Ebrill 2010
|
18.9
|
21.2
|
20.9
|
14.6
|
Mai 2010
|
21.1
|
23.5
|
22.4
|
17.2
|
Mehefin 2010
|
18.7
|
21.1
|
19.8
|
15.2
|
Gorffennaf 2010
|
18.8
|
21.5
|
19.7
|
15.7
|
Awst 2010
|
16.8
|
19.1
|
17.7
|
14.2
|
Medi 2010
|
14.7
|
17.3
|
15.6
|
12.0
|
Hydref 2010
|
10.7
|
12.6
|
11.5
|
8.3
|
Tachwedd 2010
|
9.4
|
11.4
|
9.6
|
7.3
|
Rhagfyr 2010
|
9.6
|
11.8
|
9.2
|
7.7
|
Ionawr 2011
|
8.8
|
11.6
|
8.0
|
7.4
|
Chwefror 2011
|
8.7
|
12.0
|
7.8
|
7.6
|
Mawrth 2011
|
3.9
|
7.5
|
3.4
|
3.0
|
Ebrill 2011
|
2.1
|
5.8
|
1.6
|
1.0
|
Mai 2011
|
0.4
|
2.7
|
0.1
|
-0.4
|
Mehefin 2011
|
1.4
|
2.4
|
1.0
|
0.9
|
Gorffennaf 2011
|
0.4
|
0.0
|
-0.0
|
0.4
|
Awst 2011
|
0.0
|
0.3
|
-0.2
|
-0.4
|
Medi 2011
|
-0.8
|
-0.3
|
-1.0
|
-1.3
|
Hydref 2011
|
1.7
|
3.1
|
1.5
|
0.8
|
Tachwedd 2011
|
2.0
|
3.1
|
1.8
|
1.3
|
Rhagfyr 2011
|
2.8
|
3.2
|
2.7
|
2.5
|
Ionawr 2012
|
0.8
|
0.1
|
1.0
|
0.6
|
Chwefror 2012
|
2.0
|
0.9
|
2.6
|
1.7
|
Mawrth 2012
|
1.4
|
-0.6
|
2.2
|
1.0
|
Ebrill 2012
|
3.7
|
1.6
|
4.3
|
3.4
|
Mai 2012
|
3.6
|
2.2
|
4.4
|
3.2
|
Mehefin 2012
|
5.2
|
5.0
|
6.3
|
4.3
|
Gorffennaf 2012
|
4.6
|
5.1
|
5.7
|
3.4
|
Awst 2012
|
5.1
|
4.8
|
6.3
|
4.5
|
Medi 2012
|
5.2
|
4.5
|
6.2
|
4.9
|
Hydref 2012
|
5.9
|
4.4
|
7.0
|
6.1
|
Tachwedd 2012
|
5.1
|
3.8
|
6.4
|
4.9
|
Rhagfyr 2012
|
5.3
|
4.8
|
6.9
|
4.6
|
Ionawr 2013
|
5.6
|
6.0
|
6.8
|
4.5
|
Chwefror 2013
|
6.0
|
6.5
|
6.9
|
5.2
|
Mawrth 2013
|
8.3
|
8.7
|
8.5
|
7.8
|
Ebrill 2013
|
9.2
|
9.4
|
9.6
|
8.8
|
Mai 2013
|
8.6
|
9.4
|
8.9
|
8.1
|
Mehefin 2013
|
6.0
|
6.8
|
6.1
|
5.5
|
Gorffennaf 2013
|
4.6
|
5.2
|
4.7
|
4.1
|
Awst 2013
|
3.8
|
4.2
|
3.7
|
3.3
|
Medi 2013
|
5.3
|
5.7
|
5.3
|
4.9
|
Hydref 2013
|
5.4
|
6.1
|
5.2
|
5.0
|
Tachwedd 2013
|
8.0
|
8.6
|
7.8
|
7.8
|
Rhagfyr 2013
|
7.8
|
7.6
|
7.6
|
7.8
|
Ionawr 2014
|
10.0
|
9.4
|
9.9
|
10.4
|
Chwefror 2014
|
11.8
|
11.2
|
11.8
|
12.1
|
Mawrth 2014
|
14.0
|
13.4
|
14.5
|
14.0
|
Ebrill 2014
|
14.8
|
14.5
|
15.4
|
14.4
|
Mai 2014
|
14.4
|
13.8
|
15.2
|
13.9
|
Mehefin 2014
|
18.2
|
17.5
|
18.8
|
17.8
|
Gorffennaf 2014
|
21.5
|
20.8
|
22.3
|
21.2
|
Awst 2014
|
24.8
|
24.4
|
25.5
|
24.4
|
Medi 2014
|
22.2
|
21.8
|
22.9
|
21.6
|
Hydref 2014
|
19.8
|
19.4
|
20.5
|
19.4
|
Tachwedd 2014
|
19.2
|
19.0
|
19.8
|
18.7
|
Rhagfyr 2014
|
18.4
|
19.0
|
18.6
|
18.0
|
Ionawr 2015
|
15.6
|
16.0
|
15.7
|
15.2
|
Chwefror 2015
|
12.0
|
11.9
|
11.8
|
12.0
|
Mawrth 2015
|
10.3
|
10.0
|
10.0
|
10.5
|
Ebrill 2015
|
9.8
|
9.8
|
9.6
|
9.9
|
Mai 2015
|
8.1
|
8.3
|
7.8
|
8.1
|
Mehefin 2015
|
6.3
|
6.7
|
6.2
|
5.9
|
Gorffennaf 2015
|
4.8
|
5.1
|
4.6
|
4.6
|
Awst 2015
|
5.4
|
5.5
|
5.3
|
5.2
|
Medi 2015
|
5.4
|
5.5
|
5.0
|
5.4
|
Hydref 2015
|
6.0
|
6.3
|
5.9
|
5.7
|
Tachwedd 2015
|
5.0
|
5.5
|
5.0
|
4.6
|
Rhagfyr 2015
|
7.3
|
7.8
|
7.5
|
6.7
|
Ionawr 2016
|
9.0
|
9.3
|
9.1
|
8.3
|
Chwefror 2016
|
11.0
|
11.7
|
11.3
|
10.1
|
Mawrth 2016
|
11.0
|
11.8
|
11.3
|
9.9
|
Ebrill 2016
|
11.1
|
11.6
|
11.5
|
10.5
|
Mai 2016
|
14.2
|
14.0
|
14.6
|
14.0
|
Mehefin 2016
|
15.4
|
14.6
|
15.5
|
15.9
|
Gorffennaf 2016
|
14.4
|
13.9
|
14.3
|
14.9
|
Awst 2016
|
9.3
|
9.0
|
9.0
|
9.9
|
Medi 2016
|
7.1
|
6.3
|
6.9
|
7.6
|
Hydref 2016
|
7.4
|
6.5
|
6.7
|
8.3
|
Tachwedd 2016
|
8.4
|
7.7
|
7.4
|
9.5
|
Rhagfyr 2016
|
6.6
|
6.1
|
5.4
|
7.8
|
Ionawr 2017
|
4.7
|
4.5
|
4.0
|
5.9
|
Chwefror 2017
|
5.0
|
4.2
|
4.3
|
6.5
|
Mawrth 2017
|
3.0
|
2.1
|
2.4
|
4.6
|
Ebrill 2017
|
2.5
|
1.8
|
1.5
|
3.6
|
Mai 2017
|
0.2
|
0.1
|
-1.1
|
1.2
|
Mehefin 2017
|
0.6
|
0.6
|
-0.7
|
1.6
|
Gorffennaf 2017
|
-0.4
|
-0.8
|
-1.6
|
0.6
|
Awst 2017
|
0.5
|
0.0
|
-0.4
|
1.4
|
Medi 2017
|
3.2
|
3.3
|
2.3
|
3.8
|
Hydref 2017
|
2.9
|
3.3
|
2.4
|
3.2
|
Tachwedd 2017
|
1.2
|
1.2
|
1.0
|
1.4
|
Rhagfyr 2017
|
-1.1
|
-1.3
|
-0.9
|
-1.2
|
Ionawr 2018
|
0.6
|
0.1
|
0.6
|
0.4
|
Chwefror 2018
|
0.2
|
0.4
|
0.5
|
-0.4
|
Mawrth 2018
|
1.9
|
1.7
|
2.3
|
1.0
|
Ebrill 2018
|
0.6
|
0.4
|
1.8
|
-0.8
|
Mai 2018
|
2.2
|
2.2
|
3.7
|
0.4
|
Mehefin 2018
|
2.5
|
3.3
|
3.7
|
0.4
|
Gorffennaf 2018
|
3.0
|
4.8
|
4.1
|
0.8
|
Awst 2018
|
2.3
|
4.0
|
3.1
|
0.3
|
Medi 2018
|
-0.5
|
0.8
|
0.4
|
-2.2
|
Hydref 2018
|
-1.2
|
-0.4
|
-0.2
|
-2.7
|
Tachwedd 2018
|
-0.2
|
1.0
|
0.7
|
-1.8
|
Rhagfyr 2018
|
0.0
|
1.3
|
0.7
|
-1.5
|
Ionawr 2019
|
-1.6
|
-0.1
|
-1.2
|
-3.2
|
Chwefror 2019
|
-3.5
|
-2.3
|
-3.3
|
-4.8
|
Mawrth 2019
|
-4.0
|
-2.6
|
-3.7
|
-5.3
|
Ebrill 2019
|
-4.0
|
-2.7
|
-3.7
|
-4.9
|
Mai 2019
|
-5.8
|
-4.8
|
-5.4
|
-6.7
|
Mehefin 2019
|
-5.3
|
-4.8
|
-4.7
|
-6.0
|
Gorffennaf 2019
|
-1.7
|
-1.9
|
-1.0
|
-2.5
|
Awst 2019
|
0.2
|
-0.0
|
1.0
|
-0.6
|
Medi 2019
|
1.4
|
1.3
|
2.3
|
0.6
|
Hydref 2019
|
-1.1
|
-1.0
|
-0.5
|
-2.1
|
Tachwedd 2019
|
-0.2
|
-0.2
|
0.4
|
-1.1
|
Rhagfyr 2019
|
0.7
|
0.9
|
1.4
|
-0.3
|
Ionawr 2020
|
1.6
|
1.6
|
2.7
|
0.5
|
Chwefror 2020
|
2.1
|
2.8
|
3.6
|
0.4
|
Mawrth 2020
|
2.4
|
3.2
|
3.7
|
0.4
|
Ebrill 2020
|
2.7
|
4.6
|
4.1
|
0.4
|
Mai 2020
|
2.7
|
4.6
|
3.5
|
0.8
|
Mehefin 2020
|
-0.8
|
1.1
|
0.3
|
-2.9
|
Gorffennaf 2020
|
-3.1
|
-1.6
|
-2.1
|
-4.8
|
Awst 2020
|
-1.3
|
0.4
|
-0.0
|
-3.5
|
Medi 2020
|
-0.1
|
1.9
|
1.0
|
-2.5
|
Hydref 2020
|
2.2
|
4.6
|
3.9
|
-0.6
|
Tachwedd 2020
|
0.4
|
2.7
|
2.4
|
-2.5
|
Rhagfyr 2020
|
1.4
|
3.6
|
3.6
|
-1.6
|
Ionawr 2021
|
2.0
|
3.6
|
3.6
|
-0.2
|
Chwefror 2021
|
3.2
|
3.3
|
4.3
|
2.1
|
Mawrth 2021
|
4.3
|
3.0
|
4.8
|
4.5
|
Ebrill 2021
|
3.6
|
1.5
|
3.6
|
4.5
|
Mai 2021
|
3.9
|
2.3
|
4.1
|
4.3
|
Mehefin 2021
|
5.9
|
4.6
|
6.2
|
6.4
|
Gorffennaf 2021
|
2.8
|
2.9
|
3.1
|
2.9
|
Awst 2021
|
1.4
|
2.3
|
1.3
|
1.4
|
Medi 2021
|
1.1
|
2.4
|
0.8
|
0.9
|
Hydref 2021
|
5.9
|
7.5
|
5.3
|
5.5
|
Tachwedd 2021
|
7.4
|
8.9
|
6.5
|
7.1
|
Rhagfyr 2021
|
6.0
|
8.0
|
5.0
|
5.4
|
Ionawr 2022
|
4.9
|
7.4
|
4.5
|
3.5
|
Chwefror 2022
|
4.8
|
8.1
|
4.9
|
2.9
|
Mawrth 2022
|
5.0
|
9.7
|
5.4
|
2.0
|
Ebrill 2022
|
6.3
|
10.7
|
7.0
|
3.0
|
Mai 2022
|
7.4
|
11.9
|
8.5
|
3.7
|
Mehefin 2022
|
6.6
|
10.6
|
7.5
|
3.2
|
Gorffennaf 2022
|
11.9
|
15.2
|
13.3
|
8.2
|
Awst 2022
|
12.0
|
13.7
|
13.7
|
8.7
|
Medi 2022
|
14.1
|
15.2
|
16.2
|
10.9
|
Hydref 2022
|
8.9
|
9.2
|
10.9
|
6.5
|
Tachwedd 2022
|
7.2
|
7.8
|
9.1
|
4.7
|
Rhagfyr 2022
|
6.5
|
6.3
|
8.5
|
4.4
|
Ionawr 2023
|
6.5
|
6.8
|
7.9
|
4.6
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ionawr 2002
|
1.1
|
0.8
|
0.9
|
1.3
|
Chwefror 2002
|
-0.2
|
-0.4
|
0.1
|
-0.3
|
Mawrth 2002
|
0.0
|
0.2
|
0.2
|
-0.2
|
Ebrill 2002
|
1.7
|
1.0
|
1.8
|
2.1
|
Mai 2002
|
2.5
|
2.0
|
2.3
|
2.9
|
Mehefin 2002
|
2.0
|
1.3
|
2.1
|
2.3
|
Gorffennaf 2002
|
0.9
|
1.2
|
1.0
|
0.6
|
Awst 2002
|
1.8
|
1.9
|
1.9
|
1.8
|
Medi 2002
|
2.9
|
3.2
|
2.8
|
2.5
|
Hydref 2002
|
1.6
|
1.3
|
1.4
|
1.8
|
Tachwedd 2002
|
1.0
|
1.2
|
0.9
|
1.1
|
Rhagfyr 2002
|
1.9
|
1.3
|
1.6
|
2.3
|
Ionawr 2003
|
1.1
|
0.9
|
1.3
|
1.4
|
Chwefror 2003
|
0.6
|
-0.2
|
0.6
|
0.7
|
Mawrth 2003
|
-1.1
|
-0.9
|
-0.7
|
-1.3
|
Ebrill 2003
|
-0.2
|
-0.7
|
-0.2
|
-0.2
|
Mai 2003
|
-0.3
|
-0.3
|
0.0
|
-0.6
|
Mehefin 2003
|
1.1
|
0.6
|
1.0
|
1.6
|
Gorffennaf 2003
|
1.2
|
1.1
|
1.3
|
1.1
|
Awst 2003
|
2.1
|
2.1
|
2.1
|
2.2
|
Medi 2003
|
0.5
|
0.8
|
0.8
|
0.0
|
Hydref 2003
|
-0.4
|
-0.6
|
-0.3
|
-0.2
|
Tachwedd 2003
|
-0.4
|
-0.7
|
-0.4
|
-0.3
|
Rhagfyr 2003
|
0.8
|
-0.1
|
1.0
|
1.3
|
Ionawr 2004
|
0.6
|
0.9
|
0.6
|
0.5
|
Chwefror 2004
|
0.9
|
0.8
|
1.0
|
0.9
|
Mawrth 2004
|
0.8
|
0.9
|
0.9
|
0.7
|
Ebrill 2004
|
1.1
|
0.2
|
1.6
|
1.2
|
Mai 2004
|
1.2
|
0.0
|
1.6
|
1.4
|
Mehefin 2004
|
0.9
|
0.2
|
1.0
|
1.0
|
Gorffennaf 2004
|
1.8
|
1.9
|
1.9
|
1.6
|
Awst 2004
|
1.2
|
1.9
|
1.2
|
1.0
|
Medi 2004
|
-0.7
|
-0.1
|
-0.7
|
-1.0
|
Hydref 2004
|
-0.1
|
-0.4
|
-0.3
|
0.3
|
Tachwedd 2004
|
-1.8
|
-2.1
|
-1.8
|
-1.7
|
Rhagfyr 2004
|
-0.0
|
-0.8
|
0.1
|
0.3
|
Ionawr 2005
|
-1.3
|
-1.2
|
-1.3
|
-1.3
|
Chwefror 2005
|
-0.0
|
0.2
|
-0.1
|
-0.2
|
Mawrth 2005
|
0.5
|
0.7
|
0.6
|
0.3
|
Ebrill 2005
|
0.5
|
0.2
|
0.8
|
0.4
|
Mai 2005
|
2.7
|
2.2
|
2.9
|
2.8
|
Mehefin 2005
|
-0.4
|
-0.8
|
-0.2
|
-0.4
|
Gorffennaf 2005
|
1.4
|
1.8
|
1.6
|
1.2
|
Awst 2005
|
-1.3
|
-1.0
|
-1.1
|
-1.5
|
Medi 2005
|
1.5
|
2.2
|
1.5
|
1.2
|
Hydref 2005
|
-1.9
|
-2.1
|
-2.0
|
-1.7
|
Tachwedd 2005
|
0.6
|
0.4
|
0.6
|
0.6
|
Rhagfyr 2005
|
-1.0
|
-1.8
|
-1.0
|
-0.6
|
Ionawr 2006
|
1.6
|
1.9
|
1.8
|
1.4
|
Chwefror 2006
|
-0.8
|
-0.8
|
-0.8
|
-0.6
|
Mawrth 2006
|
0.4
|
1.2
|
0.6
|
0.0
|
Ebrill 2006
|
0.2
|
-0.1
|
0.4
|
0.3
|
Mai 2006
|
1.3
|
1.5
|
1.3
|
1.1
|
Mehefin 2006
|
2.6
|
2.5
|
2.6
|
2.6
|
Gorffennaf 2006
|
0.7
|
1.0
|
0.8
|
0.4
|
Awst 2006
|
1.7
|
1.7
|
2.0
|
1.5
|
Medi 2006
|
-0.1
|
0.4
|
-0.1
|
-0.2
|
Hydref 2006
|
1.5
|
1.6
|
1.4
|
1.6
|
Tachwedd 2006
|
-0.3
|
-0.3
|
-0.4
|
-0.4
|
Rhagfyr 2006
|
1.3
|
1.0
|
1.5
|
1.5
|
Ionawr 2007
|
0.4
|
0.5
|
0.4
|
0.2
|
Chwefror 2007
|
2.1
|
2.1
|
1.8
|
2.2
|
Mawrth 2007
|
1.6
|
1.9
|
1.7
|
1.4
|
Ebrill 2007
|
1.8
|
1.6
|
2.1
|
1.9
|
Mai 2007
|
1.8
|
1.4
|
2.0
|
1.8
|
Mehefin 2007
|
1.5
|
1.5
|
1.5
|
1.6
|
Gorffennaf 2007
|
2.2
|
2.7
|
2.1
|
2.0
|
Awst 2007
|
1.8
|
2.5
|
2.1
|
1.4
|
Medi 2007
|
1.4
|
1.9
|
1.2
|
1.3
|
Hydref 2007
|
1.0
|
1.1
|
0.9
|
1.2
|
Tachwedd 2007
|
0.1
|
0.4
|
-0.2
|
0.3
|
Rhagfyr 2007
|
0.1
|
-0.5
|
0.1
|
0.3
|
Ionawr 2008
|
-1.0
|
-0.6
|
-1.1
|
-1.1
|
Chwefror 2008
|
-0.1
|
-0.0
|
-0.1
|
-0.3
|
Mawrth 2008
|
-1.2
|
-0.7
|
-1.1
|
-1.6
|
Ebrill 2008
|
0.5
|
0.7
|
0.8
|
0.2
|
Mai 2008
|
-1.0
|
-1.0
|
-0.8
|
-1.0
|
Mehefin 2008
|
1.5
|
1.5
|
1.5
|
1.4
|
Gorffennaf 2008
|
-1.0
|
-1.0
|
-1.2
|
-1.1
|
Awst 2008
|
-1.1
|
-0.9
|
-1.3
|
-1.2
|
Medi 2008
|
-2.7
|
-2.0
|
-2.9
|
-2.7
|
Hydref 2008
|
-2.6
|
-2.8
|
-3.0
|
-2.2
|
Tachwedd 2008
|
-2.0
|
-1.8
|
-2.0
|
-2.0
|
Rhagfyr 2008
|
-2.7
|
-3.2
|
-2.6
|
-2.7
|
Ionawr 2009
|
-3.0
|
-2.6
|
-3.1
|
-3.1
|
Chwefror 2009
|
-4.8
|
-5.1
|
-5.0
|
-4.5
|
Mawrth 2009
|
-3.9
|
-4.1
|
-4.2
|
-3.6
|
Ebrill 2009
|
-1.4
|
-2.5
|
-1.1
|
-1.3
|
Mai 2009
|
2.0
|
1.7
|
2.5
|
1.8
|
Mehefin 2009
|
0.8
|
0.8
|
1.2
|
0.5
|
Gorffennaf 2009
|
2.4
|
3.0
|
2.7
|
1.7
|
Awst 2009
|
2.6
|
3.3
|
2.7
|
1.9
|
Medi 2009
|
3.6
|
3.9
|
3.6
|
3.3
|
Hydref 2009
|
1.6
|
1.9
|
1.6
|
1.5
|
Tachwedd 2009
|
0.3
|
0.3
|
0.6
|
0.2
|
Rhagfyr 2009
|
0.1
|
-0.2
|
0.4
|
-0.1
|
Ionawr 2010
|
2.2
|
2.4
|
2.4
|
1.7
|
Chwefror 2010
|
-1.1
|
-0.9
|
-1.2
|
-1.6
|
Mawrth 2010
|
3.2
|
3.8
|
2.9
|
3.0
|
Ebrill 2010
|
-0.2
|
-0.5
|
-0.3
|
0.0
|
Mai 2010
|
3.8
|
3.6
|
3.7
|
4.1
|
Mehefin 2010
|
-1.1
|
-1.2
|
-0.9
|
-1.3
|
Gorffennaf 2010
|
2.5
|
3.3
|
2.6
|
2.1
|
Awst 2010
|
1.0
|
1.2
|
1.0
|
0.5
|
Medi 2010
|
1.7
|
2.4
|
1.7
|
1.4
|
Hydref 2010
|
-1.9
|
-2.1
|
-1.9
|
-2.0
|
Tachwedd 2010
|
-1.0
|
-0.7
|
-1.2
|
-0.7
|
Rhagfyr 2010
|
0.3
|
0.1
|
0.1
|
0.3
|
Ionawr 2011
|
1.6
|
2.2
|
1.3
|
1.4
|
Chwefror 2011
|
-1.2
|
-0.5
|
-1.3
|
-1.4
|
Mawrth 2011
|
-1.3
|
-0.4
|
-1.4
|
-1.4
|
Ebrill 2011
|
-2.0
|
-2.1
|
-2.0
|
-1.8
|
Mai 2011
|
2.0
|
0.6
|
2.1
|
2.6
|
Mehefin 2011
|
-0.2
|
-1.6
|
-0.1
|
0.0
|
Gorffennaf 2011
|
1.5
|
1.0
|
1.6
|
1.6
|
Awst 2011
|
0.6
|
1.5
|
0.8
|
-0.3
|
Medi 2011
|
0.8
|
1.8
|
0.9
|
0.4
|
Hydref 2011
|
0.6
|
1.2
|
0.6
|
0.2
|
Tachwedd 2011
|
-0.7
|
-0.7
|
-0.9
|
-0.3
|
Rhagfyr 2011
|
1.1
|
0.2
|
1.0
|
1.5
|
Ionawr 2012
|
-0.5
|
-0.9
|
-0.3
|
-0.5
|
Chwefror 2012
|
0.0
|
0.3
|
0.2
|
-0.3
|
Mawrth 2012
|
-1.9
|
-1.8
|
-1.8
|
-2.0
|
Ebrill 2012
|
0.2
|
0.1
|
0.1
|
0.5
|
Mai 2012
|
2.0
|
1.2
|
2.2
|
2.4
|
Mehefin 2012
|
1.3
|
1.1
|
1.8
|
1.1
|
Gorffennaf 2012
|
1.0
|
1.1
|
1.1
|
0.8
|
Awst 2012
|
1.1
|
1.2
|
1.4
|
0.8
|
Medi 2012
|
1.0
|
1.4
|
0.8
|
0.8
|
Hydref 2012
|
1.3
|
1.1
|
1.4
|
1.3
|
Tachwedd 2012
|
-1.4
|
-1.3
|
-1.5
|
-1.4
|
Rhagfyr 2012
|
1.3
|
1.2
|
1.4
|
1.2
|
Ionawr 2013
|
-0.2
|
0.3
|
-0.3
|
-0.6
|
Chwefror 2013
|
0.4
|
0.7
|
0.2
|
0.3
|
Mawrth 2013
|
0.2
|
0.3
|
-0.3
|
0.4
|
Ebrill 2013
|
1.0
|
0.7
|
1.2
|
1.4
|
Mai 2013
|
1.5
|
1.2
|
1.4
|
1.6
|
Mehefin 2013
|
-1.1
|
-1.3
|
-0.8
|
-1.3
|
Gorffennaf 2013
|
-0.3
|
-0.4
|
-0.2
|
-0.5
|
Awst 2013
|
0.2
|
0.2
|
0.4
|
0.0
|
Medi 2013
|
2.4
|
2.9
|
2.4
|
2.4
|
Hydref 2013
|
1.4
|
1.5
|
1.2
|
1.4
|
Tachwedd 2013
|
1.1
|
0.9
|
1.0
|
1.2
|
Rhagfyr 2013
|
1.0
|
0.3
|
1.2
|
1.2
|
Ionawr 2014
|
1.9
|
2.0
|
1.9
|
1.8
|
Chwefror 2014
|
2.0
|
2.3
|
2.0
|
1.9
|
Mawrth 2014
|
2.2
|
2.3
|
2.1
|
2.1
|
Ebrill 2014
|
1.8
|
1.6
|
1.9
|
1.8
|
Mai 2014
|
1.1
|
0.6
|
1.3
|
1.2
|
Mehefin 2014
|
2.1
|
1.9
|
2.2
|
2.1
|
Gorffennaf 2014
|
2.5
|
2.4
|
2.7
|
2.4
|
Awst 2014
|
2.9
|
3.2
|
3.0
|
2.6
|
Medi 2014
|
0.3
|
0.7
|
0.3
|
0.1
|
Hydref 2014
|
-0.6
|
-0.5
|
-0.7
|
-0.5
|
Tachwedd 2014
|
0.6
|
0.6
|
0.4
|
0.6
|
Rhagfyr 2014
|
0.4
|
0.3
|
0.2
|
0.6
|
Ionawr 2015
|
-0.5
|
-0.6
|
-0.6
|
-0.5
|
Chwefror 2015
|
-1.2
|
-1.3
|
-1.5
|
-1.0
|
Mawrth 2015
|
0.6
|
0.6
|
0.5
|
0.8
|
Ebrill 2015
|
1.3
|
1.5
|
1.5
|
1.2
|
Mai 2015
|
-0.5
|
-0.7
|
-0.4
|
-0.4
|
Mehefin 2015
|
0.3
|
0.4
|
0.8
|
-0.0
|
Gorffennaf 2015
|
1.2
|
0.9
|
1.2
|
1.1
|
Awst 2015
|
3.4
|
3.6
|
3.6
|
3.2
|
Medi 2015
|
0.3
|
0.7
|
0.1
|
0.3
|
Hydref 2015
|
0.0
|
0.3
|
0.1
|
-0.2
|
Tachwedd 2015
|
-0.4
|
-0.2
|
-0.4
|
-0.5
|
Rhagfyr 2015
|
2.6
|
2.4
|
2.6
|
2.6
|
Ionawr 2016
|
1.0
|
0.9
|
0.8
|
1.0
|
Chwefror 2016
|
0.7
|
0.8
|
0.5
|
0.6
|
Mawrth 2016
|
0.6
|
0.8
|
0.4
|
0.6
|
Ebrill 2016
|
1.5
|
1.3
|
1.8
|
1.8
|
Mai 2016
|
2.3
|
1.4
|
2.4
|
2.7
|
Mehefin 2016
|
1.4
|
0.9
|
1.5
|
1.6
|
Gorffennaf 2016
|
0.3
|
0.3
|
0.2
|
0.3
|
Awst 2016
|
-1.2
|
-0.8
|
-1.2
|
-1.4
|
Medi 2016
|
-1.7
|
-1.8
|
-1.8
|
-1.8
|
Hydref 2016
|
0.3
|
0.5
|
-0.1
|
0.5
|
Tachwedd 2016
|
0.6
|
0.9
|
0.2
|
0.6
|
Rhagfyr 2016
|
0.8
|
1.0
|
0.7
|
1.0
|
Ionawr 2017
|
-0.7
|
-0.7
|
-0.5
|
-0.8
|
Chwefror 2017
|
0.8
|
0.6
|
0.8
|
1.2
|
Mawrth 2017
|
-1.3
|
-1.3
|
-1.4
|
-1.2
|
Ebrill 2017
|
1.1
|
1.2
|
0.9
|
1.4
|
Mai 2017
|
-0.0
|
-0.3
|
-0.2
|
0.1
|
Mehefin 2017
|
1.7
|
1.2
|
1.8
|
1.8
|
Gorffennaf 2017
|
-0.7
|
-1.1
|
-0.7
|
-0.7
|
Awst 2017
|
-0.3
|
-0.0
|
0.0
|
-0.6
|
Medi 2017
|
0.8
|
1.4
|
0.8
|
0.5
|
Hydref 2017
|
0.0
|
0.5
|
0.0
|
-0.2
|
Tachwedd 2017
|
-1.1
|
-1.1
|
-1.1
|
-1.1
|
Rhagfyr 2017
|
-1.5
|
-1.6
|
-1.3
|
-1.6
|
Ionawr 2018
|
0.9
|
0.7
|
1.0
|
0.9
|
Chwefror 2018
|
0.6
|
0.8
|
0.7
|
0.3
|
Mawrth 2018
|
0.4
|
0.1
|
0.4
|
0.2
|
Ebrill 2018
|
-0.1
|
-0.1
|
0.3
|
-0.5
|
Mai 2018
|
1.5
|
1.4
|
1.7
|
1.4
|
Mehefin 2018
|
1.9
|
2.3
|
1.8
|
1.8
|
Gorffennaf 2018
|
-0.2
|
0.3
|
-0.3
|
-0.3
|
Awst 2018
|
-1.0
|
-0.7
|
-1.0
|
-1.2
|
Medi 2018
|
-1.9
|
-1.7
|
-1.8
|
-2.0
|
Hydref 2018
|
-0.7
|
-0.7
|
-0.6
|
-0.7
|
Tachwedd 2018
|
-0.1
|
0.3
|
-0.2
|
-0.3
|
Rhagfyr 2018
|
-1.2
|
-1.3
|
-1.3
|
-1.2
|
Ionawr 2019
|
-0.8
|
-0.6
|
-0.9
|
-0.8
|
Chwefror 2019
|
-1.4
|
-1.5
|
-1.5
|
-1.3
|
Mawrth 2019
|
-0.2
|
-0.1
|
0.1
|
-0.3
|
Ebrill 2019
|
-0.1
|
-0.2
|
0.3
|
-0.1
|
Mai 2019
|
-0.4
|
-0.7
|
-0.1
|
-0.5
|
Mehefin 2019
|
2.5
|
2.2
|
2.5
|
2.5
|
Gorffennaf 2019
|
3.6
|
3.4
|
3.5
|
3.5
|
Awst 2019
|
1.0
|
1.1
|
1.0
|
0.8
|
Medi 2019
|
-0.7
|
-0.4
|
-0.6
|
-0.8
|
Hydref 2019
|
-3.2
|
-2.9
|
-3.3
|
-3.4
|
Tachwedd 2019
|
0.8
|
1.0
|
0.7
|
0.8
|
Rhagfyr 2019
|
-0.3
|
-0.2
|
-0.4
|
-0.4
|
Ionawr 2020
|
0.2
|
0.1
|
0.4
|
-0.0
|
Chwefror 2020
|
-0.9
|
-0.4
|
-0.6
|
-1.3
|
Mawrth 2020
|
0.1
|
0.3
|
0.2
|
-0.3
|
Ebrill 2020
|
0.3
|
1.1
|
0.7
|
-0.2
|
Mai 2020
|
-0.4
|
-0.7
|
-0.6
|
-0.1
|
Mehefin 2020
|
-1.0
|
-1.2
|
-0.6
|
-1.3
|
Gorffennaf 2020
|
1.2
|
0.6
|
1.0
|
1.4
|
Awst 2020
|
2.8
|
3.2
|
3.2
|
2.2
|
Medi 2020
|
0.5
|
1.0
|
0.5
|
0.2
|
Hydref 2020
|
-0.9
|
-0.3
|
-0.6
|
-1.4
|
Tachwedd 2020
|
-0.9
|
-0.8
|
-0.7
|
-1.1
|
Rhagfyr 2020
|
0.6
|
0.7
|
0.8
|
0.5
|
Ionawr 2021
|
0.8
|
0.1
|
0.4
|
1.4
|
Chwefror 2021
|
0.3
|
-0.6
|
0.0
|
1.0
|
Mawrth 2021
|
1.1
|
0.0
|
0.7
|
2.0
|
Ebrill 2021
|
-0.4
|
-0.4
|
-0.5
|
-0.2
|
Mai 2021
|
-0.2
|
0.1
|
-0.2
|
-0.3
|
Mehefin 2021
|
1.0
|
1.0
|
1.4
|
0.7
|
Gorffennaf 2021
|
-1.8
|
-1.1
|
-2.0
|
-1.9
|
Awst 2021
|
1.4
|
2.6
|
1.4
|
0.7
|
Medi 2021
|
0.2
|
1.1
|
0.0
|
-0.3
|
Hydref 2021
|
3.9
|
4.6
|
3.9
|
3.1
|
Tachwedd 2021
|
0.4
|
0.5
|
0.4
|
0.4
|
Rhagfyr 2021
|
-0.7
|
-0.1
|
-0.7
|
-1.2
|
Ionawr 2022
|
-0.3
|
-0.5
|
0.0
|
-0.5
|
Chwefror 2022
|
0.3
|
0.0
|
0.3
|
0.4
|
Mawrth 2022
|
1.3
|
1.5
|
1.2
|
1.1
|
Ebrill 2022
|
0.8
|
0.6
|
1.1
|
0.8
|
Mai 2022
|
0.9
|
1.1
|
1.2
|
0.4
|
Mehefin 2022
|
0.2
|
-0.1
|
0.5
|
0.2
|
Gorffennaf 2022
|
3.1
|
3.0
|
3.3
|
2.8
|
Awst 2022
|
1.4
|
1.3
|
1.8
|
1.1
|
Medi 2022
|
2.1
|
2.5
|
2.2
|
1.7
|
Hydref 2022
|
-0.9
|
-0.8
|
-0.8
|
-1.0
|
Tachwedd 2022
|
-1.2
|
-0.9
|
-1.2
|
-1.3
|
Rhagfyr 2022
|
-1.3
|
-1.5
|
-1.2
|
-1.4
|
Ionawr 2023
|
-0.3
|
0.0
|
-0.5
|
-0.3
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ionawr 2002
|
44.4
|
45.2
|
41.6
|
47.1
|
Chwefror 2002
|
44.3
|
45.0
|
41.6
|
46.9
|
Mawrth 2002
|
44.3
|
45.1
|
41.7
|
46.8
|
Ebrill 2002
|
45.1
|
45.5
|
42.5
|
47.8
|
Mai 2002
|
46.2
|
46.4
|
43.4
|
49.2
|
Mehefin 2002
|
47.1
|
47.1
|
44.4
|
50.3
|
Gorffennaf 2002
|
47.5
|
47.6
|
44.8
|
50.6
|
Awst 2002
|
48.4
|
48.5
|
45.7
|
51.6
|
Medi 2002
|
49.8
|
50.1
|
47.0
|
52.9
|
Hydref 2002
|
50.6
|
50.7
|
47.6
|
53.8
|
Tachwedd 2002
|
51.1
|
51.4
|
48.0
|
54.4
|
Rhagfyr 2002
|
52.1
|
52.0
|
48.8
|
55.6
|
Ionawr 2003
|
52.7
|
52.5
|
49.4
|
56.4
|
Chwefror 2003
|
53.0
|
52.4
|
49.8
|
56.8
|
Mawrth 2003
|
52.4
|
51.9
|
49.4
|
56.0
|
Ebrill 2003
|
52.3
|
51.6
|
49.3
|
55.9
|
Mai 2003
|
52.2
|
51.4
|
49.3
|
55.6
|
Mehefin 2003
|
52.7
|
51.7
|
49.8
|
56.5
|
Gorffennaf 2003
|
53.4
|
52.3
|
50.4
|
57.1
|
Awst 2003
|
54.5
|
53.4
|
51.5
|
58.4
|
Medi 2003
|
54.8
|
53.8
|
51.9
|
58.4
|
Hydref 2003
|
54.6
|
53.4
|
51.8
|
58.2
|
Tachwedd 2003
|
54.4
|
53.1
|
51.6
|
58.0
|
Rhagfyr 2003
|
54.8
|
53.0
|
52.1
|
58.8
|
Ionawr 2004
|
55.2
|
53.5
|
52.4
|
59.1
|
Chwefror 2004
|
55.7
|
53.9
|
53.0
|
59.6
|
Mawrth 2004
|
56.1
|
54.4
|
53.4
|
60.0
|
Ebrill 2004
|
56.7
|
54.5
|
54.3
|
60.8
|
Mai 2004
|
57.4
|
54.5
|
55.1
|
61.6
|
Mehefin 2004
|
57.9
|
54.6
|
55.7
|
62.2
|
Gorffennaf 2004
|
59.0
|
55.7
|
56.8
|
63.2
|
Awst 2004
|
59.7
|
56.8
|
57.4
|
63.9
|
Medi 2004
|
59.3
|
56.7
|
57.0
|
63.2
|
Hydref 2004
|
59.2
|
56.5
|
56.9
|
63.4
|
Tachwedd 2004
|
58.2
|
55.3
|
55.9
|
62.4
|
Rhagfyr 2004
|
58.2
|
54.9
|
55.9
|
62.6
|
Ionawr 2005
|
57.4
|
54.2
|
55.2
|
61.7
|
Chwefror 2005
|
57.4
|
54.3
|
55.1
|
61.6
|
Mawrth 2005
|
57.6
|
54.7
|
55.4
|
61.8
|
Ebrill 2005
|
58.0
|
54.8
|
55.9
|
62.0
|
Mai 2005
|
59.5
|
56.0
|
57.4
|
63.8
|
Mehefin 2005
|
59.2
|
55.5
|
57.3
|
63.5
|
Gorffennaf 2005
|
60.1
|
56.5
|
58.2
|
64.3
|
Awst 2005
|
59.3
|
56.0
|
57.6
|
63.3
|
Medi 2005
|
60.2
|
57.2
|
58.5
|
64.1
|
Hydref 2005
|
59.0
|
56.0
|
57.3
|
63.0
|
Tachwedd 2005
|
59.4
|
56.2
|
57.7
|
63.4
|
Rhagfyr 2005
|
58.8
|
55.2
|
57.1
|
63.0
|
Ionawr 2006
|
59.8
|
56.2
|
58.1
|
63.9
|
Chwefror 2006
|
59.3
|
55.8
|
57.6
|
63.6
|
Mawrth 2006
|
59.6
|
56.4
|
58.0
|
63.6
|
Ebrill 2006
|
59.7
|
56.4
|
58.2
|
63.8
|
Mai 2006
|
60.4
|
57.2
|
59.0
|
64.5
|
Mehefin 2006
|
62.0
|
58.7
|
60.5
|
66.2
|
Gorffennaf 2006
|
62.4
|
59.3
|
61.0
|
66.5
|
Awst 2006
|
63.5
|
60.3
|
62.2
|
67.4
|
Medi 2006
|
63.5
|
60.5
|
62.1
|
67.3
|
Hydref 2006
|
64.4
|
61.4
|
63.0
|
68.4
|
Tachwedd 2006
|
64.2
|
61.2
|
62.7
|
68.1
|
Rhagfyr 2006
|
65.1
|
61.9
|
63.7
|
69.1
|
Ionawr 2007
|
65.3
|
62.2
|
63.9
|
69.3
|
Chwefror 2007
|
66.7
|
63.5
|
65.0
|
70.9
|
Mawrth 2007
|
67.8
|
64.7
|
66.2
|
71.8
|
Ebrill 2007
|
69.0
|
65.7
|
67.6
|
73.2
|
Mai 2007
|
70.2
|
66.6
|
68.9
|
74.5
|
Mehefin 2007
|
71.3
|
67.6
|
70.0
|
75.7
|
Gorffennaf 2007
|
72.8
|
69.4
|
71.4
|
77.2
|
Awst 2007
|
74.2
|
71.1
|
72.9
|
78.4
|
Medi 2007
|
75.2
|
72.5
|
73.7
|
79.4
|
Hydref 2007
|
76.0
|
73.3
|
74.4
|
80.3
|
Tachwedd 2007
|
76.1
|
73.6
|
74.3
|
80.6
|
Rhagfyr 2007
|
76.2
|
73.3
|
74.4
|
80.8
|
Ionawr 2008
|
75.4
|
72.8
|
73.6
|
79.9
|
Chwefror 2008
|
75.3
|
72.8
|
73.5
|
79.7
|
Mawrth 2008
|
74.3
|
72.3
|
72.7
|
78.4
|
Ebrill 2008
|
74.7
|
72.8
|
73.3
|
78.5
|
Mai 2008
|
74.0
|
72.1
|
72.7
|
77.7
|
Mehefin 2008
|
75.1
|
73.2
|
73.8
|
78.8
|
Gorffennaf 2008
|
74.3
|
72.4
|
72.9
|
78.0
|
Awst 2008
|
73.5
|
71.8
|
72.0
|
77.0
|
Medi 2008
|
71.5
|
70.3
|
69.9
|
75.0
|
Hydref 2008
|
69.6
|
68.4
|
67.8
|
73.3
|
Tachwedd 2008
|
68.3
|
67.2
|
66.5
|
71.9
|
Rhagfyr 2008
|
66.4
|
65.0
|
64.8
|
69.9
|
Ionawr 2009
|
64.4
|
63.4
|
62.8
|
67.8
|
Chwefror 2009
|
61.4
|
60.1
|
59.6
|
64.7
|
Mawrth 2009
|
59.0
|
57.7
|
57.2
|
62.4
|
Ebrill 2009
|
58.1
|
56.2
|
56.5
|
61.6
|
Mai 2009
|
59.3
|
57.2
|
57.9
|
62.7
|
Mehefin 2009
|
59.8
|
57.6
|
58.6
|
63.0
|
Gorffennaf 2009
|
61.2
|
59.3
|
60.2
|
64.0
|
Awst 2009
|
62.8
|
61.3
|
61.9
|
65.2
|
Medi 2009
|
65.1
|
63.7
|
64.1
|
67.4
|
Hydref 2009
|
66.2
|
64.9
|
65.2
|
68.4
|
Tachwedd 2009
|
66.3
|
65.1
|
65.6
|
68.5
|
Rhagfyr 2009
|
66.4
|
65.0
|
65.8
|
68.5
|
Ionawr 2010
|
67.9
|
66.6
|
67.4
|
69.6
|
Chwefror 2010
|
67.1
|
66.0
|
66.7
|
68.5
|
Mawrth 2010
|
69.3
|
68.5
|
68.6
|
70.6
|
Ebrill 2010
|
69.1
|
68.1
|
68.4
|
70.6
|
Mai 2010
|
71.8
|
70.6
|
70.9
|
73.5
|
Mehefin 2010
|
70.9
|
69.8
|
70.2
|
72.6
|
Gorffennaf 2010
|
72.7
|
72.1
|
72.1
|
74.1
|
Awst 2010
|
73.4
|
73.0
|
72.8
|
74.5
|
Medi 2010
|
74.7
|
74.7
|
74.1
|
75.5
|
Hydref 2010
|
73.2
|
73.1
|
72.6
|
74.0
|
Tachwedd 2010
|
72.5
|
72.6
|
71.8
|
73.5
|
Rhagfyr 2010
|
72.7
|
72.6
|
71.9
|
73.7
|
Ionawr 2011
|
73.9
|
74.3
|
72.9
|
74.8
|
Chwefror 2011
|
73.0
|
73.9
|
71.9
|
73.7
|
Mawrth 2011
|
72.0
|
73.6
|
70.9
|
72.7
|
Ebrill 2011
|
70.6
|
72.1
|
69.5
|
71.4
|
Mai 2011
|
72.0
|
72.6
|
71.0
|
73.2
|
Mehefin 2011
|
71.9
|
71.4
|
70.9
|
73.2
|
Gorffennaf 2011
|
73.0
|
72.1
|
72.1
|
74.4
|
Awst 2011
|
73.4
|
73.2
|
72.7
|
74.2
|
Medi 2011
|
74.0
|
74.5
|
73.3
|
74.5
|
Hydref 2011
|
74.5
|
75.4
|
73.8
|
74.6
|
Tachwedd 2011
|
74.0
|
74.8
|
73.1
|
74.4
|
Rhagfyr 2011
|
74.8
|
75.0
|
73.8
|
75.6
|
Ionawr 2012
|
74.5
|
74.3
|
73.6
|
75.2
|
Chwefror 2012
|
74.5
|
74.6
|
73.8
|
75.0
|
Mawrth 2012
|
73.1
|
73.2
|
72.4
|
73.4
|
Ebrill 2012
|
73.2
|
73.3
|
72.5
|
73.8
|
Mai 2012
|
74.7
|
74.2
|
74.1
|
75.6
|
Mehefin 2012
|
75.6
|
75.0
|
75.4
|
76.4
|
Gorffennaf 2012
|
76.4
|
75.8
|
76.2
|
77.0
|
Awst 2012
|
77.2
|
76.7
|
77.3
|
77.6
|
Medi 2012
|
77.9
|
77.8
|
77.9
|
78.2
|
Hydref 2012
|
78.9
|
78.7
|
78.9
|
79.2
|
Tachwedd 2012
|
77.8
|
77.6
|
77.8
|
78.1
|
Rhagfyr 2012
|
78.8
|
78.6
|
78.9
|
79.1
|
Ionawr 2013
|
78.6
|
78.8
|
78.7
|
78.6
|
Chwefror 2013
|
79.0
|
79.4
|
78.8
|
78.8
|
Mawrth 2013
|
79.1
|
79.6
|
78.6
|
79.2
|
Ebrill 2013
|
79.9
|
80.2
|
79.5
|
80.3
|
Mai 2013
|
81.1
|
81.1
|
80.6
|
81.6
|
Mehefin 2013
|
80.2
|
80.1
|
80.0
|
80.6
|
Gorffennaf 2013
|
79.9
|
79.8
|
79.8
|
80.2
|
Awst 2013
|
80.0
|
79.9
|
80.1
|
80.2
|
Medi 2013
|
82.0
|
82.3
|
82.0
|
82.0
|
Hydref 2013
|
83.2
|
83.5
|
83.0
|
83.2
|
Tachwedd 2013
|
84.0
|
84.3
|
83.9
|
84.2
|
Rhagfyr 2013
|
84.9
|
84.5
|
84.8
|
85.2
|
Ionawr 2014
|
86.5
|
86.2
|
86.4
|
86.8
|
Chwefror 2014
|
88.2
|
88.2
|
88.1
|
88.4
|
Mawrth 2014
|
90.2
|
90.3
|
90.0
|
90.3
|
Ebrill 2014
|
91.7
|
91.8
|
91.7
|
91.9
|
Mai 2014
|
92.8
|
92.3
|
92.9
|
93.0
|
Mehefin 2014
|
94.7
|
94.1
|
95.0
|
94.9
|
Gorffennaf 2014
|
97.1
|
96.4
|
97.6
|
97.2
|
Awst 2014
|
99.9
|
99.5
|
100.5
|
99.7
|
Medi 2014
|
100.2
|
100.2
|
100.8
|
99.8
|
Hydref 2014
|
99.6
|
99.7
|
100.1
|
99.3
|
Tachwedd 2014
|
100.2
|
100.3
|
100.5
|
99.9
|
Rhagfyr 2014
|
100.5
|
100.6
|
100.7
|
100.5
|
Ionawr 2015
|
100.0
|
100.0
|
100.0
|
100.0
|
Chwefror 2015
|
98.8
|
98.7
|
98.5
|
99.0
|
Mawrth 2015
|
99.4
|
99.3
|
99.0
|
99.8
|
Ebrill 2015
|
100.8
|
100.8
|
100.5
|
101.0
|
Mai 2015
|
100.3
|
100.0
|
100.1
|
100.6
|
Mehefin 2015
|
100.6
|
100.4
|
100.9
|
100.5
|
Gorffennaf 2015
|
101.8
|
101.3
|
102.1
|
101.7
|
Awst 2015
|
105.3
|
105.0
|
105.8
|
104.9
|
Medi 2015
|
105.6
|
105.7
|
105.9
|
105.2
|
Hydref 2015
|
105.6
|
106.0
|
106.0
|
105.0
|
Tachwedd 2015
|
105.2
|
105.8
|
105.5
|
104.5
|
Rhagfyr 2015
|
107.9
|
108.4
|
108.2
|
107.2
|
Ionawr 2016
|
109.0
|
109.3
|
109.1
|
108.3
|
Chwefror 2016
|
109.7
|
110.2
|
109.7
|
109.0
|
Mawrth 2016
|
110.3
|
111.1
|
110.1
|
109.7
|
Ebrill 2016
|
112.0
|
112.5
|
112.1
|
111.6
|
Mai 2016
|
114.5
|
114.0
|
114.8
|
114.7
|
Mehefin 2016
|
116.1
|
115.0
|
116.5
|
116.6
|
Gorffennaf 2016
|
116.4
|
115.4
|
116.7
|
116.8
|
Awst 2016
|
115.1
|
114.4
|
115.3
|
115.3
|
Medi 2016
|
113.1
|
112.4
|
113.2
|
113.2
|
Hydref 2016
|
113.4
|
112.9
|
113.1
|
113.7
|
Tachwedd 2016
|
114.0
|
113.9
|
113.3
|
114.4
|
Rhagfyr 2016
|
115.0
|
115.0
|
114.1
|
115.6
|
Ionawr 2017
|
114.2
|
114.2
|
113.5
|
114.7
|
Chwefror 2017
|
115.1
|
114.8
|
114.4
|
116.0
|
Mawrth 2017
|
113.7
|
113.4
|
112.8
|
114.7
|
Ebrill 2017
|
115.0
|
114.8
|
113.8
|
116.3
|
Mai 2017
|
114.9
|
114.4
|
113.6
|
116.3
|
Mehefin 2017
|
116.8
|
115.8
|
115.7
|
118.4
|
Gorffennaf 2017
|
116.0
|
114.5
|
114.9
|
117.6
|
Awst 2017
|
115.7
|
114.4
|
114.9
|
116.8
|
Medi 2017
|
116.6
|
116.0
|
115.8
|
117.5
|
Hydref 2017
|
116.7
|
116.6
|
115.8
|
117.3
|
Tachwedd 2017
|
115.4
|
115.3
|
114.5
|
116.0
|
Rhagfyr 2017
|
113.7
|
113.6
|
113.0
|
114.2
|
Ionawr 2018
|
114.8
|
114.4
|
114.2
|
115.2
|
Chwefror 2018
|
115.4
|
115.2
|
114.9
|
115.6
|
Mawrth 2018
|
115.8
|
115.4
|
115.5
|
115.8
|
Ebrill 2018
|
115.7
|
115.3
|
115.8
|
115.3
|
Mai 2018
|
117.5
|
116.9
|
117.8
|
116.8
|
Mehefin 2018
|
119.8
|
119.6
|
119.9
|
118.9
|
Gorffennaf 2018
|
119.5
|
120.0
|
119.5
|
118.6
|
Awst 2018
|
118.3
|
119.0
|
118.4
|
117.2
|
Medi 2018
|
116.1
|
117.0
|
116.3
|
114.9
|
Hydref 2018
|
115.3
|
116.2
|
115.6
|
114.2
|
Tachwedd 2018
|
115.2
|
116.5
|
115.3
|
113.9
|
Rhagfyr 2018
|
113.8
|
115.0
|
113.8
|
112.5
|
Ionawr 2019
|
112.9
|
114.3
|
112.8
|
111.6
|
Chwefror 2019
|
111.4
|
112.6
|
111.1
|
110.1
|
Mawrth 2019
|
111.2
|
112.4
|
111.2
|
109.7
|
Ebrill 2019
|
111.1
|
112.1
|
111.6
|
109.6
|
Mai 2019
|
110.7
|
111.3
|
111.5
|
109.0
|
Mehefin 2019
|
113.4
|
113.8
|
114.3
|
111.7
|
Gorffennaf 2019
|
117.5
|
117.7
|
118.4
|
115.6
|
Awst 2019
|
118.6
|
119.0
|
119.6
|
116.6
|
Medi 2019
|
117.8
|
118.5
|
118.9
|
115.6
|
Hydref 2019
|
114.0
|
115.1
|
115.0
|
111.7
|
Tachwedd 2019
|
115.0
|
116.2
|
115.8
|
112.6
|
Rhagfyr 2019
|
114.6
|
116.0
|
115.4
|
112.1
|
Ionawr 2020
|
114.7
|
116.2
|
115.8
|
112.1
|
Chwefror 2020
|
113.7
|
115.7
|
115.1
|
110.6
|
Mawrth 2020
|
113.8
|
116.1
|
115.3
|
110.2
|
Ebrill 2020
|
114.2
|
117.3
|
116.1
|
110.0
|
Mai 2020
|
113.7
|
116.5
|
115.4
|
109.9
|
Mehefin 2020
|
112.6
|
115.1
|
114.7
|
108.5
|
Gorffennaf 2020
|
113.9
|
115.8
|
115.8
|
110.0
|
Awst 2020
|
117.1
|
119.5
|
119.6
|
112.5
|
Medi 2020
|
117.6
|
120.7
|
120.1
|
112.7
|
Hydref 2020
|
116.5
|
120.3
|
119.4
|
111.1
|
Tachwedd 2020
|
115.4
|
119.4
|
118.6
|
109.8
|
Rhagfyr 2020
|
116.2
|
120.2
|
119.6
|
110.3
|
Ionawr 2021
|
117.0
|
120.3
|
120.1
|
111.8
|
Chwefror 2021
|
117.4
|
119.6
|
120.1
|
112.9
|
Mawrth 2021
|
118.7
|
119.5
|
120.9
|
115.2
|
Ebrill 2021
|
118.2
|
119.1
|
120.3
|
115.0
|
Mai 2021
|
118.1
|
119.2
|
120.1
|
114.7
|
Mehefin 2021
|
119.2
|
120.4
|
121.8
|
115.5
|
Gorffennaf 2021
|
117.1
|
119.1
|
119.4
|
113.2
|
Awst 2021
|
118.7
|
122.3
|
121.1
|
114.0
|
Medi 2021
|
118.9
|
123.6
|
121.1
|
113.7
|
Hydref 2021
|
123.4
|
129.3
|
125.8
|
117.2
|
Tachwedd 2021
|
124.0
|
130.0
|
126.4
|
117.6
|
Rhagfyr 2021
|
123.1
|
129.8
|
125.5
|
116.3
|
Ionawr 2022
|
122.7
|
129.2
|
125.5
|
115.7
|
Chwefror 2022
|
123.0
|
129.2
|
125.9
|
116.2
|
Mawrth 2022
|
124.6
|
131.1
|
127.4
|
117.5
|
Ebrill 2022
|
125.6
|
131.9
|
128.8
|
118.4
|
Mai 2022
|
126.8
|
133.3
|
130.3
|
119.0
|
Mehefin 2022
|
127.0
|
133.1
|
131.0
|
119.2
|
Gorffennaf 2022
|
131.0
|
137.2
|
135.3
|
122.6
|
Awst 2022
|
132.9
|
139.0
|
137.7
|
123.9
|
Medi 2022
|
135.6
|
142.4
|
140.7
|
126.1
|
Hydref 2022
|
134.5
|
141.3
|
139.6
|
124.8
|
Tachwedd 2022
|
132.9
|
140.1
|
137.9
|
123.1
|
Rhagfyr 2022
|
131.1
|
138.0
|
136.2
|
121.4
|
Ionawr 2023
|
130.7
|
138.0
|
135.5
|
121.1
|
Statws y prynwr
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol yn ôl y math o brynwr e.e. Prynwr am y Tro Cyntaf neu Gyn Berchen-Feddiannydd
Statws cyllido
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol a nifer y gwerthiannau yn ôl statws cyllido, e.e. Arian Parod/Morgais
Dyddiad
|
Ionawr 2002
|
Chwefror 2002
|
Mawrth 2002
|
Ebrill 2002
|
Mai 2002
|
Mehefin 2002
|
Gorffennaf 2002
|
Awst 2002
|
Medi 2002
|
Hydref 2002
|
Tachwedd 2002
|
Rhagfyr 2002
|
Ionawr 2003
|
Chwefror 2003
|
Mawrth 2003
|
Ebrill 2003
|
Mai 2003
|
Mehefin 2003
|
Gorffennaf 2003
|
Awst 2003
|
Medi 2003
|
Hydref 2003
|
Tachwedd 2003
|
Rhagfyr 2003
|
Ionawr 2004
|
Chwefror 2004
|
Mawrth 2004
|
Ebrill 2004
|
Mai 2004
|
Mehefin 2004
|
Gorffennaf 2004
|
Awst 2004
|
Medi 2004
|
Hydref 2004
|
Tachwedd 2004
|
Rhagfyr 2004
|
Ionawr 2005
|
Chwefror 2005
|
Mawrth 2005
|
Ebrill 2005
|
Mai 2005
|
Mehefin 2005
|
Gorffennaf 2005
|
Awst 2005
|
Medi 2005
|
Hydref 2005
|
Tachwedd 2005
|
Rhagfyr 2005
|
Ionawr 2006
|
Chwefror 2006
|
Mawrth 2006
|
Ebrill 2006
|
Mai 2006
|
Mehefin 2006
|
Gorffennaf 2006
|
Awst 2006
|
Medi 2006
|
Hydref 2006
|
Tachwedd 2006
|
Rhagfyr 2006
|
Ionawr 2007
|
Chwefror 2007
|
Mawrth 2007
|
Ebrill 2007
|
Mai 2007
|
Mehefin 2007
|
Gorffennaf 2007
|
Awst 2007
|
Medi 2007
|
Hydref 2007
|
Tachwedd 2007
|
Rhagfyr 2007
|
Ionawr 2008
|
Chwefror 2008
|
Mawrth 2008
|
Ebrill 2008
|
Mai 2008
|
Mehefin 2008
|
Gorffennaf 2008
|
Awst 2008
|
Medi 2008
|
Hydref 2008
|
Tachwedd 2008
|
Rhagfyr 2008
|
Ionawr 2009
|
Chwefror 2009
|
Mawrth 2009
|
Ebrill 2009
|
Mai 2009
|
Mehefin 2009
|
Gorffennaf 2009
|
Awst 2009
|
Medi 2009
|
Hydref 2009
|
Tachwedd 2009
|
Rhagfyr 2009
|
Ionawr 2010
|
Chwefror 2010
|
Mawrth 2010
|
Ebrill 2010
|
Mai 2010
|
Mehefin 2010
|
Gorffennaf 2010
|
Awst 2010
|
Medi 2010
|
Hydref 2010
|
Tachwedd 2010
|
Rhagfyr 2010
|
Ionawr 2011
|
Chwefror 2011
|
Mawrth 2011
|
Ebrill 2011
|
Mai 2011
|
Mehefin 2011
|
Gorffennaf 2011
|
Awst 2011
|
Medi 2011
|
Hydref 2011
|
Tachwedd 2011
|
Rhagfyr 2011
|
Ionawr 2012
|
Chwefror 2012
|
Mawrth 2012
|
Ebrill 2012
|
Mai 2012
|
Mehefin 2012
|
Gorffennaf 2012
|
Awst 2012
|
Medi 2012
|
Hydref 2012
|
Tachwedd 2012
|
Rhagfyr 2012
|
Ionawr 2013
|
Chwefror 2013
|
Mawrth 2013
|
Ebrill 2013
|
Mai 2013
|
Mehefin 2013
|
Gorffennaf 2013
|
Awst 2013
|
Medi 2013
|
Hydref 2013
|
Tachwedd 2013
|
Rhagfyr 2013
|
Ionawr 2014
|
Chwefror 2014
|
Mawrth 2014
|
Ebrill 2014
|
Mai 2014
|
Mehefin 2014
|
Gorffennaf 2014
|
Awst 2014
|
Medi 2014
|
Hydref 2014
|
Tachwedd 2014
|
Rhagfyr 2014
|
Ionawr 2015
|
Chwefror 2015
|
Mawrth 2015
|
Ebrill 2015
|
Mai 2015
|
Mehefin 2015
|
Gorffennaf 2015
|
Awst 2015
|
Medi 2015
|
Hydref 2015
|
Tachwedd 2015
|
Rhagfyr 2015
|
Ionawr 2016
|
Chwefror 2016
|
Mawrth 2016
|
Ebrill 2016
|
Mai 2016
|
Mehefin 2016
|
Gorffennaf 2016
|
Awst 2016
|
Medi 2016
|
Hydref 2016
|
Tachwedd 2016
|
Rhagfyr 2016
|
Ionawr 2017
|
Chwefror 2017
|
Mawrth 2017
|
Ebrill 2017
|
Mai 2017
|
Mehefin 2017
|
Gorffennaf 2017
|
Awst 2017
|
Medi 2017
|
Hydref 2017
|
Tachwedd 2017
|
Rhagfyr 2017
|
Ionawr 2018
|
Chwefror 2018
|
Mawrth 2018
|
Ebrill 2018
|
Mai 2018
|
Mehefin 2018
|
Gorffennaf 2018
|
Awst 2018
|
Medi 2018
|
Hydref 2018
|
Tachwedd 2018
|
Rhagfyr 2018
|
Ionawr 2019
|
Chwefror 2019
|
Mawrth 2019
|
Ebrill 2019
|
Mai 2019
|
Mehefin 2019
|
Gorffennaf 2019
|
Awst 2019
|
Medi 2019
|
Hydref 2019
|
Tachwedd 2019
|
Rhagfyr 2019
|
Ionawr 2020
|
Chwefror 2020
|
Mawrth 2020
|
Ebrill 2020
|
Mai 2020
|
Mehefin 2020
|
Gorffennaf 2020
|
Awst 2020
|
Medi 2020
|
Hydref 2020
|
Tachwedd 2020
|
Rhagfyr 2020
|
Ionawr 2021
|
Chwefror 2021
|
Mawrth 2021
|
Ebrill 2021
|
Mai 2021
|
Mehefin 2021
|
Gorffennaf 2021
|
Awst 2021
|
Medi 2021
|
Hydref 2021
|
Tachwedd 2021
|
Rhagfyr 2021
|
Ionawr 2022
|
Chwefror 2022
|
Mawrth 2022
|
Ebrill 2022
|
Mai 2022
|
Mehefin 2022
|
Gorffennaf 2022
|
Awst 2022
|
Medi 2022
|
Hydref 2022
|
Tachwedd 2022
|
Rhagfyr 2022
|
Ionawr 2023
|
Dyddiad
|
Ionawr 2002
|
Chwefror 2002
|
Mawrth 2002
|
Ebrill 2002
|
Mai 2002
|
Mehefin 2002
|
Gorffennaf 2002
|
Awst 2002
|
Medi 2002
|
Hydref 2002
|
Tachwedd 2002
|
Rhagfyr 2002
|
Ionawr 2003
|
Chwefror 2003
|
Mawrth 2003
|
Ebrill 2003
|
Mai 2003
|
Mehefin 2003
|
Gorffennaf 2003
|
Awst 2003
|
Medi 2003
|
Hydref 2003
|
Tachwedd 2003
|
Rhagfyr 2003
|
Ionawr 2004
|
Chwefror 2004
|
Mawrth 2004
|
Ebrill 2004
|
Mai 2004
|
Mehefin 2004
|
Gorffennaf 2004
|
Awst 2004
|
Medi 2004
|
Hydref 2004
|
Tachwedd 2004
|
Rhagfyr 2004
|
Ionawr 2005
|
Chwefror 2005
|
Mawrth 2005
|
Ebrill 2005
|
Mai 2005
|
Mehefin 2005
|
Gorffennaf 2005
|
Awst 2005
|
Medi 2005
|
Hydref 2005
|
Tachwedd 2005
|
Rhagfyr 2005
|
Ionawr 2006
|
Chwefror 2006
|
Mawrth 2006
|
Ebrill 2006
|
Mai 2006
|
Mehefin 2006
|
Gorffennaf 2006
|
Awst 2006
|
Medi 2006
|
Hydref 2006
|
Tachwedd 2006
|
Rhagfyr 2006
|
Ionawr 2007
|
Chwefror 2007
|
Mawrth 2007
|
Ebrill 2007
|
Mai 2007
|
Mehefin 2007
|
Gorffennaf 2007
|
Awst 2007
|
Medi 2007
|
Hydref 2007
|
Tachwedd 2007
|
Rhagfyr 2007
|
Ionawr 2008
|
Chwefror 2008
|
Mawrth 2008
|
Ebrill 2008
|
Mai 2008
|
Mehefin 2008
|
Gorffennaf 2008
|
Awst 2008
|
Medi 2008
|
Hydref 2008
|
Tachwedd 2008
|
Rhagfyr 2008
|
Ionawr 2009
|
Chwefror 2009
|
Mawrth 2009
|
Ebrill 2009
|
Mai 2009
|
Mehefin 2009
|
Gorffennaf 2009
|
Awst 2009
|
Medi 2009
|
Hydref 2009
|
Tachwedd 2009
|
Rhagfyr 2009
|
Ionawr 2010
|
Chwefror 2010
|
Mawrth 2010
|
Ebrill 2010
|
Mai 2010
|
Mehefin 2010
|
Gorffennaf 2010
|
Awst 2010
|
Medi 2010
|
Hydref 2010
|
Tachwedd 2010
|
Rhagfyr 2010
|
Ionawr 2011
|
Chwefror 2011
|
Mawrth 2011
|
Ebrill 2011
|
Mai 2011
|
Mehefin 2011
|
Gorffennaf 2011
|
Awst 2011
|
Medi 2011
|
Hydref 2011
|
Tachwedd 2011
|
Rhagfyr 2011
|
Ionawr 2012
|
Chwefror 2012
|
Mawrth 2012
|
Ebrill 2012
|
Mai 2012
|
Mehefin 2012
|
Gorffennaf 2012
|
Awst 2012
|
Medi 2012
|
Hydref 2012
|
Tachwedd 2012
|
Rhagfyr 2012
|
Ionawr 2013
|
Chwefror 2013
|
Mawrth 2013
|
Ebrill 2013
|
Mai 2013
|
Mehefin 2013
|
Gorffennaf 2013
|
Awst 2013
|
Medi 2013
|
Hydref 2013
|
Tachwedd 2013
|
Rhagfyr 2013
|
Ionawr 2014
|
Chwefror 2014
|
Mawrth 2014
|
Ebrill 2014
|
Mai 2014
|
Mehefin 2014
|
Gorffennaf 2014
|
Awst 2014
|
Medi 2014
|
Hydref 2014
|
Tachwedd 2014
|
Rhagfyr 2014
|
Ionawr 2015
|
Chwefror 2015
|
Mawrth 2015
|
Ebrill 2015
|
Mai 2015
|
Mehefin 2015
|
Gorffennaf 2015
|
Awst 2015
|
Medi 2015
|
Hydref 2015
|
Tachwedd 2015
|
Rhagfyr 2015
|
Ionawr 2016
|
Chwefror 2016
|
Mawrth 2016
|
Ebrill 2016
|
Mai 2016
|
Mehefin 2016
|
Gorffennaf 2016
|
Awst 2016
|
Medi 2016
|
Hydref 2016
|
Tachwedd 2016
|
Rhagfyr 2016
|
Ionawr 2017
|
Chwefror 2017
|
Mawrth 2017
|
Ebrill 2017
|
Mai 2017
|
Mehefin 2017
|
Gorffennaf 2017
|
Awst 2017
|
Medi 2017
|
Hydref 2017
|
Tachwedd 2017
|
Rhagfyr 2017
|
Ionawr 2018
|
Chwefror 2018
|
Mawrth 2018
|
Ebrill 2018
|
Mai 2018
|
Mehefin 2018
|
Gorffennaf 2018
|
Awst 2018
|
Medi 2018
|
Hydref 2018
|
Tachwedd 2018
|
Rhagfyr 2018
|
Ionawr 2019
|
Chwefror 2019
|
Mawrth 2019
|
Ebrill 2019
|
Mai 2019
|
Mehefin 2019
|
Gorffennaf 2019
|
Awst 2019
|
Medi 2019
|
Hydref 2019
|
Tachwedd 2019
|
Rhagfyr 2019
|
Ionawr 2020
|
Chwefror 2020
|
Mawrth 2020
|
Ebrill 2020
|
Mai 2020
|
Mehefin 2020
|
Gorffennaf 2020
|
Awst 2020
|
Medi 2020
|
Hydref 2020
|
Tachwedd 2020
|
Rhagfyr 2020
|
Ionawr 2021
|
Chwefror 2021
|
Mawrth 2021
|
Ebrill 2021
|
Mai 2021
|
Mehefin 2021
|
Gorffennaf 2021
|
Awst 2021
|
Medi 2021
|
Hydref 2021
|
Tachwedd 2021
|
Rhagfyr 2021
|
Ionawr 2022
|
Chwefror 2022
|
Mawrth 2022
|
Ebrill 2022
|
Mai 2022
|
Mehefin 2022
|
Gorffennaf 2022
|
Awst 2022
|
Medi 2022
|
Hydref 2022
|
Tachwedd 2022
|
Rhagfyr 2022
|
Ionawr 2023
|
Dyddiad
|
Ionawr 2002
|
Chwefror 2002
|
Mawrth 2002
|
Ebrill 2002
|
Mai 2002
|
Mehefin 2002
|
Gorffennaf 2002
|
Awst 2002
|
Medi 2002
|
Hydref 2002
|
Tachwedd 2002
|
Rhagfyr 2002
|
Ionawr 2003
|
Chwefror 2003
|
Mawrth 2003
|
Ebrill 2003
|
Mai 2003
|
Mehefin 2003
|
Gorffennaf 2003
|
Awst 2003
|
Medi 2003
|
Hydref 2003
|
Tachwedd 2003
|
Rhagfyr 2003
|
Ionawr 2004
|
Chwefror 2004
|
Mawrth 2004
|
Ebrill 2004
|
Mai 2004
|
Mehefin 2004
|
Gorffennaf 2004
|
Awst 2004
|
Medi 2004
|
Hydref 2004
|
Tachwedd 2004
|
Rhagfyr 2004
|
Ionawr 2005
|
Chwefror 2005
|
Mawrth 2005
|
Ebrill 2005
|
Mai 2005
|
Mehefin 2005
|
Gorffennaf 2005
|
Awst 2005
|
Medi 2005
|
Hydref 2005
|
Tachwedd 2005
|
Rhagfyr 2005
|
Ionawr 2006
|
Chwefror 2006
|
Mawrth 2006
|
Ebrill 2006
|
Mai 2006
|
Mehefin 2006
|
Gorffennaf 2006
|
Awst 2006
|
Medi 2006
|
Hydref 2006
|
Tachwedd 2006
|
Rhagfyr 2006
|
Ionawr 2007
|
Chwefror 2007
|
Mawrth 2007
|
Ebrill 2007
|
Mai 2007
|
Mehefin 2007
|
Gorffennaf 2007
|
Awst 2007
|
Medi 2007
|
Hydref 2007
|
Tachwedd 2007
|
Rhagfyr 2007
|
Ionawr 2008
|
Chwefror 2008
|
Mawrth 2008
|
Ebrill 2008
|
Mai 2008
|
Mehefin 2008
|
Gorffennaf 2008
|
Awst 2008
|
Medi 2008
|
Hydref 2008
|
Tachwedd 2008
|
Rhagfyr 2008
|
Ionawr 2009
|
Chwefror 2009
|
Mawrth 2009
|
Ebrill 2009
|
Mai 2009
|
Mehefin 2009
|
Gorffennaf 2009
|
Awst 2009
|
Medi 2009
|
Hydref 2009
|
Tachwedd 2009
|
Rhagfyr 2009
|
Ionawr 2010
|
Chwefror 2010
|
Mawrth 2010
|
Ebrill 2010
|
Mai 2010
|
Mehefin 2010
|
Gorffennaf 2010
|
Awst 2010
|
Medi 2010
|
Hydref 2010
|
Tachwedd 2010
|
Rhagfyr 2010
|
Ionawr 2011
|
Chwefror 2011
|
Mawrth 2011
|
Ebrill 2011
|
Mai 2011
|
Mehefin 2011
|
Gorffennaf 2011
|
Awst 2011
|
Medi 2011
|
Hydref 2011
|
Tachwedd 2011
|
Rhagfyr 2011
|
Ionawr 2012
|
Chwefror 2012
|
Mawrth 2012
|
Ebrill 2012
|
Mai 2012
|
Mehefin 2012
|
Gorffennaf 2012
|
Awst 2012
|
Medi 2012
|
Hydref 2012
|
Tachwedd 2012
|
Rhagfyr 2012
|
Ionawr 2013
|
Chwefror 2013
|
Mawrth 2013
|
Ebrill 2013
|
Mai 2013
|
Mehefin 2013
|
Gorffennaf 2013
|
Awst 2013
|
Medi 2013
|
Hydref 2013
|
Tachwedd 2013
|
Rhagfyr 2013
|
Ionawr 2014
|
Chwefror 2014
|
Mawrth 2014
|
Ebrill 2014
|
Mai 2014
|
Mehefin 2014
|
Gorffennaf 2014
|
Awst 2014
|
Medi 2014
|
Hydref 2014
|
Tachwedd 2014
|
Rhagfyr 2014
|
Ionawr 2015
|
Chwefror 2015
|
Mawrth 2015
|
Ebrill 2015
|
Mai 2015
|
Mehefin 2015
|
Gorffennaf 2015
|
Awst 2015
|
Medi 2015
|
Hydref 2015
|
Tachwedd 2015
|
Rhagfyr 2015
|
Ionawr 2016
|
Chwefror 2016
|
Mawrth 2016
|
Ebrill 2016
|
Mai 2016
|
Mehefin 2016
|
Gorffennaf 2016
|
Awst 2016
|
Medi 2016
|
Hydref 2016
|
Tachwedd 2016
|
Rhagfyr 2016
|
Ionawr 2017
|
Chwefror 2017
|
Mawrth 2017
|
Ebrill 2017
|
Mai 2017
|
Mehefin 2017
|
Gorffennaf 2017
|
Awst 2017
|
Medi 2017
|
Hydref 2017
|
Tachwedd 2017
|
Rhagfyr 2017
|
Ionawr 2018
|
Chwefror 2018
|
Mawrth 2018
|
Ebrill 2018
|
Mai 2018
|
Mehefin 2018
|
Gorffennaf 2018
|
Awst 2018
|
Medi 2018
|
Hydref 2018
|
Tachwedd 2018
|
Rhagfyr 2018
|
Ionawr 2019
|
Chwefror 2019
|
Mawrth 2019
|
Ebrill 2019
|
Mai 2019
|
Mehefin 2019
|
Gorffennaf 2019
|
Awst 2019
|
Medi 2019
|
Hydref 2019
|
Tachwedd 2019
|
Rhagfyr 2019
|
Ionawr 2020
|
Chwefror 2020
|
Mawrth 2020
|
Ebrill 2020
|
Mai 2020
|
Mehefin 2020
|
Gorffennaf 2020
|
Awst 2020
|
Medi 2020
|
Hydref 2020
|
Tachwedd 2020
|
Rhagfyr 2020
|
Ionawr 2021
|
Chwefror 2021
|
Mawrth 2021
|
Ebrill 2021
|
Mai 2021
|
Mehefin 2021
|
Gorffennaf 2021
|
Awst 2021
|
Medi 2021
|
Hydref 2021
|
Tachwedd 2021
|
Rhagfyr 2021
|
Ionawr 2022
|
Chwefror 2022
|
Mawrth 2022
|
Ebrill 2022
|
Mai 2022
|
Mehefin 2022
|
Gorffennaf 2022
|
Awst 2022
|
Medi 2022
|
Hydref 2022
|
Tachwedd 2022
|
Rhagfyr 2022
|
Ionawr 2023
|
Dyddiad
|
Ionawr 2002
|
Chwefror 2002
|
Mawrth 2002
|
Ebrill 2002
|
Mai 2002
|
Mehefin 2002
|
Gorffennaf 2002
|
Awst 2002
|
Medi 2002
|
Hydref 2002
|
Tachwedd 2002
|
Rhagfyr 2002
|
Ionawr 2003
|
Chwefror 2003
|
Mawrth 2003
|
Ebrill 2003
|
Mai 2003
|
Mehefin 2003
|
Gorffennaf 2003
|
Awst 2003
|
Medi 2003
|
Hydref 2003
|
Tachwedd 2003
|
Rhagfyr 2003
|
Ionawr 2004
|
Chwefror 2004
|
Mawrth 2004
|
Ebrill 2004
|
Mai 2004
|
Mehefin 2004
|
Gorffennaf 2004
|
Awst 2004
|
Medi 2004
|
Hydref 2004
|
Tachwedd 2004
|
Rhagfyr 2004
|
Ionawr 2005
|
Chwefror 2005
|
Mawrth 2005
|
Ebrill 2005
|
Mai 2005
|
Mehefin 2005
|
Gorffennaf 2005
|
Awst 2005
|
Medi 2005
|
Hydref 2005
|
Tachwedd 2005
|
Rhagfyr 2005
|
Ionawr 2006
|
Chwefror 2006
|
Mawrth 2006
|
Ebrill 2006
|
Mai 2006
|
Mehefin 2006
|
Gorffennaf 2006
|
Awst 2006
|
Medi 2006
|
Hydref 2006
|
Tachwedd 2006
|
Rhagfyr 2006
|
Ionawr 2007
|
Chwefror 2007
|
Mawrth 2007
|
Ebrill 2007
|
Mai 2007
|
Mehefin 2007
|
Gorffennaf 2007
|
Awst 2007
|
Medi 2007
|
Hydref 2007
|
Tachwedd 2007
|
Rhagfyr 2007
|
Ionawr 2008
|
Chwefror 2008
|
Mawrth 2008
|
Ebrill 2008
|
Mai 2008
|
Mehefin 2008
|
Gorffennaf 2008
|
Awst 2008
|
Medi 2008
|
Hydref 2008
|
Tachwedd 2008
|
Rhagfyr 2008
|
Ionawr 2009
|
Chwefror 2009
|
Mawrth 2009
|
Ebrill 2009
|
Mai 2009
|
Mehefin 2009
|
Gorffennaf 2009
|
Awst 2009
|
Medi 2009
|
Hydref 2009
|
Tachwedd 2009
|
Rhagfyr 2009
|
Ionawr 2010
|
Chwefror 2010
|
Mawrth 2010
|
Ebrill 2010
|
Mai 2010
|
Mehefin 2010
|
Gorffennaf 2010
|
Awst 2010
|
Medi 2010
|
Hydref 2010
|
Tachwedd 2010
|
Rhagfyr 2010
|
Ionawr 2011
|
Chwefror 2011
|
Mawrth 2011
|
Ebrill 2011
|
Mai 2011
|
Mehefin 2011
|
Gorffennaf 2011
|
Awst 2011
|
Medi 2011
|
Hydref 2011
|
Tachwedd 2011
|
Rhagfyr 2011
|
Ionawr 2012
|
Chwefror 2012
|
Mawrth 2012
|
Ebrill 2012
|
Mai 2012
|
Mehefin 2012
|
Gorffennaf 2012
|
Awst 2012
|
Medi 2012
|
Hydref 2012
|
Tachwedd 2012
|
Rhagfyr 2012
|
Ionawr 2013
|
Chwefror 2013
|
Mawrth 2013
|
Ebrill 2013
|
Mai 2013
|
Mehefin 2013
|
Gorffennaf 2013
|
Awst 2013
|
Medi 2013
|
Hydref 2013
|
Tachwedd 2013
|
Rhagfyr 2013
|
Ionawr 2014
|
Chwefror 2014
|
Mawrth 2014
|
Ebrill 2014
|
Mai 2014
|
Mehefin 2014
|
Gorffennaf 2014
|
Awst 2014
|
Medi 2014
|
Hydref 2014
|
Tachwedd 2014
|
Rhagfyr 2014
|
Ionawr 2015
|
Chwefror 2015
|
Mawrth 2015
|
Ebrill 2015
|
Mai 2015
|
Mehefin 2015
|
Gorffennaf 2015
|
Awst 2015
|
Medi 2015
|
Hydref 2015
|
Tachwedd 2015
|
Rhagfyr 2015
|
Ionawr 2016
|
Chwefror 2016
|
Mawrth 2016
|
Ebrill 2016
|
Mai 2016
|
Mehefin 2016
|
Gorffennaf 2016
|
Awst 2016
|
Medi 2016
|
Hydref 2016
|
Tachwedd 2016
|
Rhagfyr 2016
|
Ionawr 2017
|
Chwefror 2017
|
Mawrth 2017
|
Ebrill 2017
|
Mai 2017
|
Mehefin 2017
|
Gorffennaf 2017
|
Awst 2017
|
Medi 2017
|
Hydref 2017
|
Tachwedd 2017
|
Rhagfyr 2017
|
Ionawr 2018
|
Chwefror 2018
|
Mawrth 2018
|
Ebrill 2018
|
Mai 2018
|
Mehefin 2018
|
Gorffennaf 2018
|
Awst 2018
|
Medi 2018
|
Hydref 2018
|
Tachwedd 2018
|
Rhagfyr 2018
|
Ionawr 2019
|
Chwefror 2019
|
Mawrth 2019
|
Ebrill 2019
|
Mai 2019
|
Mehefin 2019
|
Gorffennaf 2019
|
Awst 2019
|
Medi 2019
|
Hydref 2019
|
Tachwedd 2019
|
Rhagfyr 2019
|
Ionawr 2020
|
Chwefror 2020
|
Mawrth 2020
|
Ebrill 2020
|
Mai 2020
|
Mehefin 2020
|
Gorffennaf 2020
|
Awst 2020
|
Medi 2020
|
Hydref 2020
|
Tachwedd 2020
|
Rhagfyr 2020
|
Ionawr 2021
|
Chwefror 2021
|
Mawrth 2021
|
Ebrill 2021
|
Mai 2021
|
Mehefin 2021
|
Gorffennaf 2021
|
Awst 2021
|
Medi 2021
|
Hydref 2021
|
Tachwedd 2021
|
Rhagfyr 2021
|
Ionawr 2022
|
Chwefror 2022
|
Mawrth 2022
|
Ebrill 2022
|
Mai 2022
|
Mehefin 2022
|
Gorffennaf 2022
|
Awst 2022
|
Medi 2022
|
Hydref 2022
|
Tachwedd 2022
|
Rhagfyr 2022
|
Ionawr 2023
|
Statws yr eiddo
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol a nifer y gwerthiannau yn ôl cyllido yn ôl statws yr eiddo, e.e. Newydd/Presennol
Dyddiad
|
Adeilad newydd
|
Eiddo presennol
|
Ionawr 2002
|
202895.0
|
189902.0
|
Chwefror 2002
|
204519.0
|
189388.0
|
Mawrth 2002
|
204611.0
|
189434.0
|
Ebrill 2002
|
208352.0
|
192649.0
|
Mai 2002
|
211689.0
|
197636.0
|
Mehefin 2002
|
215367.0
|
201528.0
|
Gorffennaf 2002
|
214884.0
|
203418.0
|
Awst 2002
|
218258.0
|
207212.0
|
Medi 2002
|
222291.0
|
213247.0
|
Hydref 2002
|
225964.0
|
216644.0
|
Tachwedd 2002
|
227344.0
|
218875.0
|
Rhagfyr 2002
|
231862.0
|
223095.0
|
Ionawr 2003
|
232857.0
|
225720.0
|
Chwefror 2003
|
234809.0
|
227050.0
|
Mawrth 2003
|
232458.0
|
224539.0
|
Ebrill 2003
|
232756.0
|
224096.0
|
Mai 2003
|
230623.0
|
223517.0
|
Mehefin 2003
|
234308.0
|
225939.0
|
Gorffennaf 2003
|
237692.0
|
228549.0
|
Awst 2003
|
242905.0
|
233426.0
|
Medi 2003
|
241638.0
|
234835.0
|
Hydref 2003
|
240351.0
|
233887.0
|
Tachwedd 2003
|
239856.0
|
232910.0
|
Rhagfyr 2003
|
243205.0
|
234827.0
|
Ionawr 2004
|
245163.0
|
236302.0
|
Chwefror 2004
|
249356.0
|
238323.0
|
Mawrth 2004
|
253275.0
|
240025.0
|
Ebrill 2004
|
255174.0
|
242832.0
|
Mai 2004
|
257561.0
|
245804.0
|
Mehefin 2004
|
259263.0
|
248057.0
|
Gorffennaf 2004
|
262410.0
|
252780.0
|
Awst 2004
|
263699.0
|
256039.0
|
Medi 2004
|
259433.0
|
254366.0
|
Hydref 2004
|
261482.0
|
253951.0
|
Tachwedd 2004
|
258098.0
|
249314.0
|
Rhagfyr 2004
|
260793.0
|
249050.0
|
Ionawr 2005
|
260487.0
|
245439.0
|
Chwefror 2005
|
263008.0
|
245112.0
|
Mawrth 2005
|
266650.0
|
246062.0
|
Ebrill 2005
|
269907.0
|
247233.0
|
Mai 2005
|
277908.0
|
253785.0
|
Mehefin 2005
|
276472.0
|
252663.0
|
Gorffennaf 2005
|
278370.0
|
256506.0
|
Awst 2005
|
274016.0
|
253250.0
|
Medi 2005
|
276940.0
|
257060.0
|
Hydref 2005
|
272343.0
|
252084.0
|
Tachwedd 2005
|
274821.0
|
253596.0
|
Rhagfyr 2005
|
274028.0
|
250961.0
|
Ionawr 2006
|
278476.0
|
255028.0
|
Chwefror 2006
|
277774.0
|
252944.0
|
Mawrth 2006
|
278425.0
|
254110.0
|
Ebrill 2006
|
280058.0
|
254615.0
|
Mai 2006
|
282346.0
|
257895.0
|
Mehefin 2006
|
288366.0
|
264601.0
|
Gorffennaf 2006
|
287891.0
|
266652.0
|
Awst 2006
|
289653.0
|
271334.0
|
Medi 2006
|
288487.0
|
271236.0
|
Hydref 2006
|
292959.0
|
275314.0
|
Tachwedd 2006
|
291994.0
|
274407.0
|
Rhagfyr 2006
|
295444.0
|
278063.0
|
Ionawr 2007
|
296739.0
|
279102.0
|
Chwefror 2007
|
303832.0
|
284783.0
|
Mawrth 2007
|
307798.0
|
289513.0
|
Ebrill 2007
|
311644.0
|
294902.0
|
Mai 2007
|
318173.0
|
300051.0
|
Mehefin 2007
|
323042.0
|
304679.0
|
Gorffennaf 2007
|
331624.0
|
311243.0
|
Awst 2007
|
333684.0
|
317222.0
|
Medi 2007
|
337510.0
|
321712.0
|
Hydref 2007
|
340240.0
|
325107.0
|
Tachwedd 2007
|
341887.0
|
325495.0
|
Rhagfyr 2007
|
343873.0
|
325575.0
|
Ionawr 2008
|
341136.0
|
322178.0
|
Chwefror 2008
|
345480.0
|
321533.0
|
Mawrth 2008
|
343612.0
|
317414.0
|
Ebrill 2008
|
347404.0
|
318921.0
|
Mai 2008
|
343426.0
|
315901.0
|
Mehefin 2008
|
347741.0
|
320636.0
|
Gorffennaf 2008
|
342611.0
|
317440.0
|
Awst 2008
|
334717.0
|
314002.0
|
Medi 2008
|
324799.0
|
305646.0
|
Hydref 2008
|
317509.0
|
297558.0
|
Tachwedd 2008
|
314896.0
|
291529.0
|
Rhagfyr 2008
|
305087.0
|
283632.0
|
Ionawr 2009
|
295469.0
|
275257.0
|
Chwefror 2009
|
281198.0
|
262063.0
|
Mawrth 2009
|
273618.0
|
251808.0
|
Ebrill 2009
|
269594.0
|
248201.0
|
Mai 2009
|
271929.0
|
253101.0
|
Mehefin 2009
|
270346.0
|
255234.0
|
Gorffennaf 2009
|
273128.0
|
261558.0
|
Awst 2009
|
277916.0
|
268457.0
|
Medi 2009
|
287094.0
|
278158.0
|
Hydref 2009
|
291148.0
|
282730.0
|
Tachwedd 2009
|
291093.0
|
283513.0
|
Rhagfyr 2009
|
289577.0
|
283783.0
|
Ionawr 2010
|
290551.0
|
290186.0
|
Chwefror 2010
|
286839.0
|
287098.0
|
Mawrth 2010
|
297098.0
|
296292.0
|
Ebrill 2010
|
299488.0
|
295496.0
|
Mai 2010
|
309906.0
|
306651.0
|
Mehefin 2010
|
303806.0
|
303223.0
|
Gorffennaf 2010
|
307923.0
|
310874.0
|
Awst 2010
|
308738.0
|
313973.0
|
Medi 2010
|
314508.0
|
319340.0
|
Hydref 2010
|
312817.0
|
313142.0
|
Tachwedd 2010
|
312166.0
|
310089.0
|
Rhagfyr 2010
|
315639.0
|
310847.0
|
Ionawr 2011
|
322126.0
|
315621.0
|
Chwefror 2011
|
321373.0
|
311791.0
|
Mawrth 2011
|
319765.0
|
307608.0
|
Ebrill 2011
|
316032.0
|
301434.0
|
Mai 2011
|
326126.0
|
307493.0
|
Mehefin 2011
|
323949.0
|
306908.0
|
Gorffennaf 2011
|
328702.0
|
311648.0
|
Awst 2011
|
324225.0
|
313658.0
|
Medi 2011
|
324308.0
|
316343.0
|
Hydref 2011
|
323756.0
|
318439.0
|
Tachwedd 2011
|
324700.0
|
316142.0
|
Rhagfyr 2011
|
332655.0
|
319459.0
|
Ionawr 2012
|
331121.0
|
317991.0
|
Chwefror 2012
|
331870.0
|
318017.0
|
Mawrth 2012
|
324651.0
|
311994.0
|
Ebrill 2012
|
327183.0
|
312487.0
|
Mai 2012
|
333354.0
|
318813.0
|
Mehefin 2012
|
336469.0
|
322937.0
|
Gorffennaf 2012
|
335872.0
|
326152.0
|
Awst 2012
|
337767.0
|
329674.0
|
Medi 2012
|
339407.0
|
332893.0
|
Hydref 2012
|
348821.0
|
337007.0
|
Tachwedd 2012
|
346040.0
|
332083.0
|
Rhagfyr 2012
|
355414.0
|
336167.0
|
Ionawr 2013
|
349187.0
|
335696.0
|
Chwefror 2013
|
347050.0
|
337223.0
|
Mawrth 2013
|
345287.0
|
337826.0
|
Ebrill 2013
|
353024.0
|
340978.0
|
Mai 2013
|
360305.0
|
345799.0
|
Mehefin 2013
|
354395.0
|
341984.0
|
Gorffennaf 2013
|
350770.0
|
341009.0
|
Awst 2013
|
349997.0
|
341839.0
|
Medi 2013
|
359355.0
|
350153.0
|
Hydref 2013
|
366613.0
|
354868.0
|
Tachwedd 2013
|
372826.0
|
358449.0
|
Rhagfyr 2013
|
378824.0
|
362005.0
|
Ionawr 2014
|
385617.0
|
368877.0
|
Chwefror 2014
|
393920.0
|
376172.0
|
Mawrth 2014
|
401599.0
|
384335.0
|
Ebrill 2014
|
409729.0
|
391003.0
|
Mai 2014
|
415648.0
|
395229.0
|
Mehefin 2014
|
424048.0
|
403540.0
|
Gorffennaf 2014
|
432366.0
|
413939.0
|
Awst 2014
|
439499.0
|
426345.0
|
Medi 2014
|
437830.0
|
427927.0
|
Hydref 2014
|
435978.0
|
425482.0
|
Tachwedd 2014
|
438478.0
|
427790.0
|
Rhagfyr 2014
|
442860.0
|
429153.0
|
Ionawr 2015
|
442210.0
|
426668.0
|
Chwefror 2015
|
442981.0
|
421100.0
|
Mawrth 2015
|
447566.0
|
423733.0
|
Ebrill 2015
|
453964.0
|
429378.0
|
Mai 2015
|
448748.0
|
427504.0
|
Mehefin 2015
|
444430.0
|
429118.0
|
Gorffennaf 2015
|
447015.0
|
434112.0
|
Awst 2015
|
459314.0
|
449099.0
|
Medi 2015
|
462013.0
|
450311.0
|
Hydref 2015
|
461902.0
|
450360.0
|
Tachwedd 2015
|
460955.0
|
448619.0
|
Rhagfyr 2015
|
476961.0
|
460041.0
|
Ionawr 2016
|
482959.0
|
464674.0
|
Chwefror 2016
|
484722.0
|
467786.0
|
Mawrth 2016
|
479316.0
|
470698.0
|
Ebrill 2016
|
491670.0
|
477588.0
|
Mai 2016
|
515208.0
|
487981.0
|
Mehefin 2016
|
530995.0
|
494418.0
|
Gorffennaf 2016
|
527829.0
|
496142.0
|
Awst 2016
|
512001.0
|
490525.0
|
Medi 2016
|
501078.0
|
482132.0
|
Hydref 2016
|
506913.0
|
483481.0
|
Tachwedd 2016
|
513507.0
|
485998.0
|
Rhagfyr 2016
|
520666.0
|
489912.0
|
Ionawr 2017
|
519072.0
|
486301.0
|
Chwefror 2017
|
525166.0
|
490387.0
|
Mawrth 2017
|
521051.0
|
484113.0
|
Ebrill 2017
|
523943.0
|
489631.0
|
Mai 2017
|
523524.0
|
489457.0
|
Mehefin 2017
|
528189.0
|
497704.0
|
Gorffennaf 2017
|
523674.0
|
494320.0
|
Awst 2017
|
518660.0
|
492849.0
|
Medi 2017
|
522962.0
|
497019.0
|
Hydref 2017
|
523331.0
|
497205.0
|
Tachwedd 2017
|
518008.0
|
491869.0
|
Rhagfyr 2017
|
510070.0
|
484592.0
|
Ionawr 2018
|
517485.0
|
488983.0
|
Chwefror 2018
|
531648.0
|
491434.0
|
Mawrth 2018
|
538282.0
|
493058.0
|
Ebrill 2018
|
537322.0
|
492580.0
|
Mai 2018
|
534088.0
|
500402.0
|
Mehefin 2018
|
540875.0
|
510210.0
|
Gorffennaf 2018
|
536859.0
|
509241.0
|
Awst 2018
|
533749.0
|
504031.0
|
Medi 2018
|
522665.0
|
494603.0
|
Hydref 2018
|
523117.0
|
491258.0
|
Tachwedd 2018
|
515919.0
|
490776.0
|
Rhagfyr 2018
|
512202.0
|
484732.0
|
Ionawr 2019
|
504268.0
|
481180.0
|
Chwefror 2019
|
510147.0
|
474318.0
|
Mawrth 2019
|
509991.0
|
473546.0
|
Ebrill 2019
|
514410.0
|
473257.0
|
Mai 2019
|
504339.0
|
471469.0
|
Mehefin 2019
|
512499.0
|
483163.0
|
Gorffennaf 2019
|
533508.0
|
500462.0
|
Awst 2019
|
539288.0
|
505219.0
|
Medi 2019
|
541209.0
|
501571.0
|
Hydref 2019
|
518170.0
|
485687.0
|
Tachwedd 2019
|
512638.0
|
489833.0
|
Rhagfyr 2019
|
498822.0
|
488304.0
|
Ionawr 2020
|
503359.0
|
489047.0
|
Chwefror 2020
|
504421.0
|
485975.0
|
Mawrth 2020
|
512843.0
|
486913.0
|
Ebrill 2020
|
511296.0
|
488923.0
|
Mai 2020
|
516358.0
|
485624.0
|
Mehefin 2020
|
505586.0
|
481800.0
|
Gorffennaf 2020
|
509209.0
|
487884.0
|
Awst 2020
|
518396.0
|
502397.0
|
Medi 2020
|
522088.0
|
504480.0
|
Hydref 2020
|
509923.0
|
501213.0
|
Tachwedd 2020
|
497929.0
|
497785.0
|
Rhagfyr 2020
|
497885.0
|
501341.0
|
Ionawr 2021
|
503508.0
|
504859.0
|
Chwefror 2021
|
511848.0
|
505473.0
|
Mawrth 2021
|
526145.0
|
510194.0
|
Ebrill 2021
|
533898.0
|
507517.0
|
Mai 2021
|
532657.0
|
506767.0
|
Mehefin 2021
|
530774.0
|
512320.0
|
Gorffennaf 2021
|
519647.0
|
503239.0
|
Awst 2021
|
519763.0
|
510722.0
|
Medi 2021
|
520026.0
|
511655.0
|
Hydref 2021
|
528976.0
|
532382.0
|
Tachwedd 2021
|
533715.0
|
534505.0
|
Rhagfyr 2021
|
523007.0
|
531181.0
|
Ionawr 2022
|
521095.0
|
529749.0
|
Chwefror 2022
|
523768.0
|
531382.0
|
Mawrth 2022
|
537713.0
|
537856.0
|
Ebrill 2022
|
541900.0
|
542177.0
|
Mai 2022
|
541078.0
|
547128.0
|
Mehefin 2022
|
538452.0
|
548450.0
|
Gorffennaf 2022
|
554179.0
|
565362.0
|
Awst 2022
|
560993.0
|
573580.0
|
Medi 2022
|
570499.0
|
585514.0
|
Hydref 2022
|
561461.0
|
580620.0
|
Tachwedd 2022
|
556917.0
|
573700.0
|
Rhagfyr 2022
|
548730.0
|
566110.0
|
Ionawr 2023
|
553325.0
|
564321.0
|
Dyddiad
|
Adeilad newydd
|
Eiddo presennol
|
Ionawr 2002
|
11.4
|
10.7
|
Chwefror 2002
|
11.3
|
10.1
|
Mawrth 2002
|
12.7
|
11.3
|
Ebrill 2002
|
13.4
|
12.0
|
Mai 2002
|
14.9
|
13.5
|
Mehefin 2002
|
14.4
|
13.2
|
Gorffennaf 2002
|
13.3
|
12.3
|
Awst 2002
|
13.8
|
13.4
|
Medi 2002
|
13.1
|
14.4
|
Hydref 2002
|
13.9
|
16.2
|
Tachwedd 2002
|
13.3
|
16.2
|
Rhagfyr 2002
|
15.7
|
18.8
|
Ionawr 2003
|
14.8
|
18.9
|
Chwefror 2003
|
14.8
|
19.9
|
Mawrth 2003
|
13.6
|
18.5
|
Ebrill 2003
|
11.7
|
16.3
|
Mai 2003
|
8.9
|
13.1
|
Mehefin 2003
|
8.8
|
12.1
|
Gorffennaf 2003
|
10.6
|
12.4
|
Awst 2003
|
11.3
|
12.6
|
Medi 2003
|
8.7
|
10.1
|
Hydref 2003
|
6.4
|
8.0
|
Tachwedd 2003
|
5.5
|
6.4
|
Rhagfyr 2003
|
4.9
|
5.3
|
Ionawr 2004
|
5.3
|
4.7
|
Chwefror 2004
|
6.2
|
5.0
|
Mawrth 2004
|
9.0
|
6.9
|
Ebrill 2004
|
9.6
|
8.4
|
Mai 2004
|
11.7
|
10.0
|
Mehefin 2004
|
10.6
|
9.8
|
Gorffennaf 2004
|
10.4
|
10.6
|
Awst 2004
|
8.6
|
9.7
|
Medi 2004
|
7.4
|
8.3
|
Hydref 2004
|
8.8
|
8.6
|
Tachwedd 2004
|
7.6
|
7.0
|
Rhagfyr 2004
|
7.2
|
6.1
|
Ionawr 2005
|
6.2
|
3.9
|
Chwefror 2005
|
5.5
|
2.8
|
Mawrth 2005
|
5.3
|
2.5
|
Ebrill 2005
|
5.8
|
1.8
|
Mai 2005
|
7.9
|
3.2
|
Mehefin 2005
|
6.6
|
1.9
|
Gorffennaf 2005
|
6.1
|
1.5
|
Awst 2005
|
3.9
|
-1.1
|
Medi 2005
|
6.8
|
1.1
|
Hydref 2005
|
4.2
|
-0.7
|
Tachwedd 2005
|
6.5
|
1.7
|
Rhagfyr 2005
|
5.1
|
0.8
|
Ionawr 2006
|
6.9
|
3.9
|
Chwefror 2006
|
5.6
|
3.2
|
Mawrth 2006
|
4.4
|
3.3
|
Ebrill 2006
|
3.8
|
3.0
|
Mai 2006
|
1.6
|
1.6
|
Mehefin 2006
|
4.3
|
4.7
|
Gorffennaf 2006
|
3.4
|
4.0
|
Awst 2006
|
5.7
|
7.1
|
Medi 2006
|
4.2
|
5.5
|
Hydref 2006
|
7.6
|
9.2
|
Tachwedd 2006
|
6.2
|
8.2
|
Rhagfyr 2006
|
7.8
|
10.8
|
Ionawr 2007
|
6.6
|
9.4
|
Chwefror 2007
|
9.4
|
12.6
|
Mawrth 2007
|
10.6
|
13.9
|
Ebrill 2007
|
11.3
|
15.8
|
Mai 2007
|
12.7
|
16.4
|
Mehefin 2007
|
12.0
|
15.2
|
Gorffennaf 2007
|
15.2
|
16.7
|
Awst 2007
|
15.2
|
16.9
|
Medi 2007
|
17.0
|
18.6
|
Hydref 2007
|
16.1
|
18.1
|
Tachwedd 2007
|
17.1
|
18.6
|
Rhagfyr 2007
|
16.4
|
17.1
|
Ionawr 2008
|
15.0
|
15.4
|
Chwefror 2008
|
13.7
|
12.9
|
Mawrth 2008
|
11.6
|
9.6
|
Ebrill 2008
|
11.5
|
8.1
|
Mai 2008
|
7.9
|
5.3
|
Mehefin 2008
|
7.6
|
5.2
|
Gorffennaf 2008
|
3.3
|
2.0
|
Awst 2008
|
0.3
|
-1.0
|
Medi 2008
|
-3.8
|
-5.0
|
Hydref 2008
|
-6.7
|
-8.5
|
Tachwedd 2008
|
-7.9
|
-10.4
|
Rhagfyr 2008
|
-11.3
|
-12.9
|
Ionawr 2009
|
-13.4
|
-14.6
|
Chwefror 2009
|
-18.6
|
-18.5
|
Mawrth 2009
|
-20.4
|
-20.7
|
Ebrill 2009
|
-22.4
|
-22.2
|
Mai 2009
|
-20.8
|
-19.9
|
Mehefin 2009
|
-22.3
|
-20.4
|
Gorffennaf 2009
|
-20.3
|
-17.6
|
Awst 2009
|
-17.0
|
-14.5
|
Medi 2009
|
-11.6
|
-9.0
|
Hydref 2009
|
-8.3
|
-5.0
|
Tachwedd 2009
|
-7.6
|
-2.8
|
Rhagfyr 2009
|
-5.1
|
0.1
|
Ionawr 2010
|
-1.7
|
5.4
|
Chwefror 2010
|
2.0
|
9.6
|
Mawrth 2010
|
8.6
|
17.7
|
Ebrill 2010
|
11.1
|
19.1
|
Mai 2010
|
14.0
|
21.2
|
Mehefin 2010
|
12.4
|
18.8
|
Gorffennaf 2010
|
12.7
|
18.8
|
Awst 2010
|
11.1
|
17.0
|
Medi 2010
|
9.6
|
14.8
|
Hydref 2010
|
7.4
|
10.8
|
Tachwedd 2010
|
7.2
|
9.4
|
Rhagfyr 2010
|
9.0
|
9.5
|
Ionawr 2011
|
10.9
|
8.8
|
Chwefror 2011
|
12.0
|
8.6
|
Mawrth 2011
|
7.6
|
3.8
|
Ebrill 2011
|
5.5
|
2.0
|
Mai 2011
|
5.2
|
0.3
|
Mehefin 2011
|
6.6
|
1.2
|
Gorffennaf 2011
|
6.8
|
0.2
|
Awst 2011
|
5.0
|
-0.1
|
Medi 2011
|
3.1
|
-0.9
|
Hydref 2011
|
3.5
|
1.7
|
Tachwedd 2011
|
4.0
|
2.0
|
Rhagfyr 2011
|
5.4
|
2.8
|
Ionawr 2012
|
2.8
|
0.8
|
Chwefror 2012
|
3.3
|
2.0
|
Mawrth 2012
|
1.5
|
1.4
|
Ebrill 2012
|
3.5
|
3.7
|
Mai 2012
|
2.2
|
3.7
|
Mehefin 2012
|
3.9
|
5.2
|
Gorffennaf 2012
|
2.2
|
4.6
|
Awst 2012
|
4.2
|
5.1
|
Medi 2012
|
4.7
|
5.2
|
Hydref 2012
|
7.7
|
5.8
|
Tachwedd 2012
|
6.6
|
5.0
|
Rhagfyr 2012
|
6.8
|
5.2
|
Ionawr 2013
|
5.5
|
5.6
|
Chwefror 2013
|
4.6
|
6.0
|
Mawrth 2013
|
6.4
|
8.3
|
Ebrill 2013
|
7.9
|
9.1
|
Mai 2013
|
8.1
|
8.5
|
Mehefin 2013
|
5.3
|
5.9
|
Gorffennaf 2013
|
4.4
|
4.6
|
Awst 2013
|
3.6
|
3.7
|
Medi 2013
|
5.9
|
5.2
|
Hydref 2013
|
5.1
|
5.3
|
Tachwedd 2013
|
7.7
|
7.9
|
Rhagfyr 2013
|
6.6
|
7.7
|
Ionawr 2014
|
10.4
|
9.9
|
Chwefror 2014
|
13.5
|
11.6
|
Mawrth 2014
|
16.3
|
13.8
|
Ebrill 2014
|
16.1
|
14.7
|
Mai 2014
|
15.4
|
14.3
|
Mehefin 2014
|
19.6
|
18.0
|
Gorffennaf 2014
|
23.3
|
21.4
|
Awst 2014
|
25.6
|
24.7
|
Medi 2014
|
21.8
|
22.2
|
Hydref 2014
|
18.9
|
19.9
|
Tachwedd 2014
|
17.6
|
19.3
|
Rhagfyr 2014
|
16.9
|
18.6
|
Ionawr 2015
|
14.7
|
15.7
|
Chwefror 2015
|
12.4
|
11.9
|
Mawrth 2015
|
11.4
|
10.2
|
Ebrill 2015
|
10.8
|
9.8
|
Mai 2015
|
8.0
|
8.2
|
Mehefin 2015
|
4.8
|
6.3
|
Gorffennaf 2015
|
3.4
|
4.9
|
Awst 2015
|
4.5
|
5.3
|
Medi 2015
|
5.5
|
5.2
|
Hydref 2015
|
6.0
|
5.8
|
Tachwedd 2015
|
5.1
|
4.9
|
Rhagfyr 2015
|
7.7
|
7.2
|
Ionawr 2016
|
9.2
|
8.9
|
Chwefror 2016
|
9.4
|
11.1
|
Mawrth 2016
|
7.1
|
11.1
|
Ebrill 2016
|
8.3
|
11.2
|
Mai 2016
|
14.8
|
14.2
|
Mehefin 2016
|
19.5
|
15.2
|
Gorffennaf 2016
|
18.1
|
14.3
|
Awst 2016
|
11.5
|
9.2
|
Medi 2016
|
8.5
|
7.1
|
Hydref 2016
|
9.7
|
7.4
|
Tachwedd 2016
|
11.4
|
8.3
|
Rhagfyr 2016
|
9.2
|
6.5
|
Ionawr 2017
|
7.5
|
4.6
|
Chwefror 2017
|
8.3
|
4.8
|
Mawrth 2017
|
8.7
|
2.8
|
Ebrill 2017
|
3.2
|
2.5
|
Mai 2017
|
-0.3
|
0.2
|
Mehefin 2017
|
-0.5
|
0.7
|
Gorffennaf 2017
|
-0.8
|
-0.4
|
Awst 2017
|
1.3
|
0.5
|
Medi 2017
|
4.4
|
3.1
|
Hydref 2017
|
3.2
|
2.8
|
Tachwedd 2017
|
0.9
|
1.2
|
Rhagfyr 2017
|
-2.0
|
-1.1
|
Ionawr 2018
|
-0.3
|
0.6
|
Chwefror 2018
|
1.2
|
0.2
|
Mawrth 2018
|
3.3
|
1.8
|
Ebrill 2018
|
2.6
|
0.6
|
Mai 2018
|
2.0
|
2.2
|
Mehefin 2018
|
2.4
|
2.5
|
Gorffennaf 2018
|
2.5
|
3.0
|
Awst 2018
|
2.9
|
2.3
|
Medi 2018
|
-0.1
|
-0.5
|
Hydref 2018
|
-0.0
|
-1.2
|
Tachwedd 2018
|
-0.4
|
-0.2
|
Rhagfyr 2018
|
0.4
|
0.0
|
Ionawr 2019
|
-2.6
|
-1.6
|
Chwefror 2019
|
-4.0
|
-3.5
|
Mawrth 2019
|
-5.3
|
-4.0
|
Ebrill 2019
|
-4.3
|
-3.9
|
Mai 2019
|
-5.6
|
-5.8
|
Mehefin 2019
|
-5.2
|
-5.3
|
Gorffennaf 2019
|
-0.6
|
-1.7
|
Awst 2019
|
1.0
|
0.2
|
Medi 2019
|
3.6
|
1.4
|
Hydref 2019
|
-1.0
|
-1.1
|
Tachwedd 2019
|
-0.6
|
-0.2
|
Rhagfyr 2019
|
-2.6
|
0.7
|
Ionawr 2020
|
-0.2
|
1.6
|
Chwefror 2020
|
-1.1
|
2.5
|
Mawrth 2020
|
0.6
|
2.8
|
Ebrill 2020
|
-0.6
|
3.3
|
Mai 2020
|
2.4
|
3.0
|
Mehefin 2020
|
-1.4
|
-0.3
|
Gorffennaf 2020
|
-4.6
|
-2.5
|
Awst 2020
|
-3.9
|
-0.6
|
Medi 2020
|
-3.5
|
0.6
|
Hydref 2020
|
-1.6
|
3.2
|
Tachwedd 2020
|
-2.9
|
1.6
|
Rhagfyr 2020
|
-0.2
|
2.7
|
Ionawr 2021
|
0.0
|
3.2
|
Chwefror 2021
|
1.5
|
4.0
|
Mawrth 2021
|
2.6
|
4.8
|
Ebrill 2021
|
4.4
|
3.8
|
Mai 2021
|
3.2
|
4.4
|
Mehefin 2021
|
5.0
|
6.3
|
Gorffennaf 2021
|
2.0
|
3.1
|
Awst 2021
|
0.3
|
1.7
|
Medi 2021
|
-0.4
|
1.4
|
Hydref 2021
|
3.7
|
6.2
|
Tachwedd 2021
|
7.2
|
7.4
|
Rhagfyr 2021
|
5.0
|
6.0
|
Ionawr 2022
|
3.5
|
4.9
|
Chwefror 2022
|
2.3
|
5.1
|
Mawrth 2022
|
2.2
|
5.4
|
Ebrill 2022
|
1.5
|
6.8
|
Mai 2022
|
1.6
|
8.0
|
Mehefin 2022
|
1.4
|
7.1
|
Gorffennaf 2022
|
6.6
|
12.3
|
Awst 2022
|
7.9
|
12.3
|
Medi 2022
|
9.7
|
14.4
|
Hydref 2022
|
6.1
|
9.1
|
Tachwedd 2022
|
4.3
|
7.3
|
Rhagfyr 2022
|
4.9
|
6.6
|
Ionawr 2023
|
6.2
|
6.5
|
Dyddiad
|
Adeilad newydd
|
Eiddo presennol
|
Ionawr 2002
|
1.3
|
1.1
|
Chwefror 2002
|
0.8
|
-0.3
|
Mawrth 2002
|
0.0
|
0.0
|
Ebrill 2002
|
1.8
|
1.7
|
Mai 2002
|
1.6
|
2.6
|
Mehefin 2002
|
1.7
|
2.0
|
Gorffennaf 2002
|
-0.2
|
0.9
|
Awst 2002
|
1.6
|
1.9
|
Medi 2002
|
1.8
|
2.9
|
Hydref 2002
|
1.6
|
1.6
|
Tachwedd 2002
|
0.6
|
1.0
|
Rhagfyr 2002
|
2.0
|
1.9
|
Ionawr 2003
|
0.4
|
1.2
|
Chwefror 2003
|
0.8
|
0.6
|
Mawrth 2003
|
-1.0
|
-1.1
|
Ebrill 2003
|
0.1
|
-0.2
|
Mai 2003
|
-0.9
|
-0.3
|
Mehefin 2003
|
1.6
|
1.1
|
Gorffennaf 2003
|
1.4
|
1.2
|
Awst 2003
|
2.2
|
2.1
|
Medi 2003
|
-0.5
|
0.6
|
Hydref 2003
|
-0.5
|
-0.4
|
Tachwedd 2003
|
-0.2
|
-0.4
|
Rhagfyr 2003
|
1.4
|
0.8
|
Ionawr 2004
|
0.8
|
0.6
|
Chwefror 2004
|
1.7
|
0.9
|
Mawrth 2004
|
1.6
|
0.7
|
Ebrill 2004
|
0.8
|
1.2
|
Mai 2004
|
0.9
|
1.2
|
Mehefin 2004
|
0.7
|
0.9
|
Gorffennaf 2004
|
1.2
|
1.9
|
Awst 2004
|
0.5
|
1.3
|
Medi 2004
|
-1.6
|
-0.6
|
Hydref 2004
|
0.8
|
-0.2
|
Tachwedd 2004
|
-1.3
|
-1.8
|
Rhagfyr 2004
|
1.0
|
-0.1
|
Ionawr 2005
|
-0.1
|
-1.4
|
Chwefror 2005
|
1.0
|
-0.1
|
Mawrth 2005
|
1.4
|
0.4
|
Ebrill 2005
|
1.2
|
0.5
|
Mai 2005
|
3.0
|
2.6
|
Mehefin 2005
|
-0.5
|
-0.4
|
Gorffennaf 2005
|
0.7
|
1.5
|
Awst 2005
|
-1.6
|
-1.3
|
Medi 2005
|
1.1
|
1.5
|
Hydref 2005
|
-1.7
|
-1.9
|
Tachwedd 2005
|
0.9
|
0.6
|
Rhagfyr 2005
|
-0.3
|
-1.0
|
Ionawr 2006
|
1.6
|
1.6
|
Chwefror 2006
|
-0.2
|
-0.8
|
Mawrth 2006
|
0.2
|
0.5
|
Ebrill 2006
|
0.6
|
0.2
|
Mai 2006
|
0.8
|
1.3
|
Mehefin 2006
|
2.1
|
2.6
|
Gorffennaf 2006
|
-0.2
|
0.8
|
Awst 2006
|
0.6
|
1.8
|
Medi 2006
|
-0.4
|
-0.0
|
Hydref 2006
|
1.6
|
1.5
|
Tachwedd 2006
|
-0.3
|
-0.3
|
Rhagfyr 2006
|
1.2
|
1.3
|
Ionawr 2007
|
0.4
|
0.4
|
Chwefror 2007
|
2.4
|
2.0
|
Mawrth 2007
|
1.3
|
1.7
|
Ebrill 2007
|
1.2
|
1.9
|
Mai 2007
|
2.1
|
1.8
|
Mehefin 2007
|
1.5
|
1.5
|
Gorffennaf 2007
|
2.7
|
2.2
|
Awst 2007
|
0.6
|
1.9
|
Medi 2007
|
1.2
|
1.4
|
Hydref 2007
|
0.8
|
1.1
|
Tachwedd 2007
|
0.5
|
0.1
|
Rhagfyr 2007
|
0.6
|
0.0
|
Ionawr 2008
|
-0.8
|
-1.0
|
Chwefror 2008
|
1.3
|
-0.2
|
Mawrth 2008
|
-0.5
|
-1.3
|
Ebrill 2008
|
1.1
|
0.5
|
Mai 2008
|
-1.2
|
-1.0
|
Mehefin 2008
|
1.3
|
1.5
|
Gorffennaf 2008
|
-1.5
|
-1.0
|
Awst 2008
|
-2.3
|
-1.1
|
Medi 2008
|
-3.0
|
-2.7
|
Hydref 2008
|
-2.2
|
-2.6
|
Tachwedd 2008
|
-0.8
|
-2.0
|
Rhagfyr 2008
|
-3.1
|
-2.7
|
Ionawr 2009
|
-3.2
|
-3.0
|
Chwefror 2009
|
-4.8
|
-4.8
|
Mawrth 2009
|
-2.7
|
-3.9
|
Ebrill 2009
|
-1.5
|
-1.4
|
Mai 2009
|
0.9
|
2.0
|
Mehefin 2009
|
-0.6
|
0.8
|
Gorffennaf 2009
|
1.0
|
2.5
|
Awst 2009
|
1.8
|
2.6
|
Medi 2009
|
3.3
|
3.6
|
Hydref 2009
|
1.4
|
1.6
|
Tachwedd 2009
|
-0.0
|
0.3
|
Rhagfyr 2009
|
-0.5
|
0.1
|
Ionawr 2010
|
0.3
|
2.3
|
Chwefror 2010
|
-1.3
|
-1.1
|
Mawrth 2010
|
3.6
|
3.2
|
Ebrill 2010
|
0.8
|
-0.3
|
Mai 2010
|
3.5
|
3.8
|
Mehefin 2010
|
-2.0
|
-1.1
|
Gorffennaf 2010
|
1.4
|
2.5
|
Awst 2010
|
0.3
|
1.0
|
Medi 2010
|
1.9
|
1.7
|
Hydref 2010
|
-0.5
|
-1.9
|
Tachwedd 2010
|
-0.2
|
-1.0
|
Rhagfyr 2010
|
1.1
|
0.2
|
Ionawr 2011
|
2.1
|
1.5
|
Chwefror 2011
|
-0.2
|
-1.2
|
Mawrth 2011
|
-0.5
|
-1.3
|
Ebrill 2011
|
-1.2
|
-2.0
|
Mai 2011
|
3.2
|
2.0
|
Mehefin 2011
|
-0.7
|
-0.2
|
Gorffennaf 2011
|
1.5
|
1.5
|
Awst 2011
|
-1.4
|
0.6
|
Medi 2011
|
0.0
|
0.9
|
Hydref 2011
|
-0.2
|
0.7
|
Tachwedd 2011
|
0.3
|
-0.7
|
Rhagfyr 2011
|
2.4
|
1.0
|
Ionawr 2012
|
-0.5
|
-0.5
|
Chwefror 2012
|
0.2
|
0.0
|
Mawrth 2012
|
-2.2
|
-1.9
|
Ebrill 2012
|
0.8
|
0.2
|
Mai 2012
|
1.9
|
2.0
|
Mehefin 2012
|
0.9
|
1.3
|
Gorffennaf 2012
|
-0.2
|
1.0
|
Awst 2012
|
0.6
|
1.1
|
Medi 2012
|
0.5
|
1.0
|
Hydref 2012
|
2.8
|
1.2
|
Tachwedd 2012
|
-0.8
|
-1.5
|
Rhagfyr 2012
|
2.7
|
1.2
|
Ionawr 2013
|
-1.8
|
-0.1
|
Chwefror 2013
|
-0.6
|
0.5
|
Mawrth 2013
|
-0.5
|
0.2
|
Ebrill 2013
|
2.2
|
0.9
|
Mai 2013
|
2.1
|
1.4
|
Mehefin 2013
|
-1.6
|
-1.1
|
Gorffennaf 2013
|
-1.0
|
-0.3
|
Awst 2013
|
-0.2
|
0.2
|
Medi 2013
|
2.7
|
2.4
|
Hydref 2013
|
2.0
|
1.4
|
Tachwedd 2013
|
1.7
|
1.0
|
Rhagfyr 2013
|
1.6
|
1.0
|
Ionawr 2014
|
1.8
|
1.9
|
Chwefror 2014
|
2.2
|
2.0
|
Mawrth 2014
|
2.0
|
2.2
|
Ebrill 2014
|
2.0
|
1.7
|
Mai 2014
|
1.4
|
1.1
|
Mehefin 2014
|
2.0
|
2.1
|
Gorffennaf 2014
|
2.0
|
2.6
|
Awst 2014
|
1.6
|
3.0
|
Medi 2014
|
-0.4
|
0.4
|
Hydref 2014
|
-0.4
|
-0.6
|
Tachwedd 2014
|
0.6
|
0.5
|
Rhagfyr 2014
|
1.0
|
0.3
|
Ionawr 2015
|
-0.2
|
-0.6
|
Chwefror 2015
|
0.2
|
-1.3
|
Mawrth 2015
|
1.0
|
0.6
|
Ebrill 2015
|
1.4
|
1.3
|
Mai 2015
|
-1.2
|
-0.4
|
Mehefin 2015
|
-1.0
|
0.4
|
Gorffennaf 2015
|
0.6
|
1.2
|
Awst 2015
|
2.8
|
3.4
|
Medi 2015
|
0.6
|
0.3
|
Hydref 2015
|
-0.0
|
0.0
|
Tachwedd 2015
|
-0.2
|
-0.4
|
Rhagfyr 2015
|
3.5
|
2.6
|
Ionawr 2016
|
1.3
|
1.0
|
Chwefror 2016
|
0.4
|
0.7
|
Mawrth 2016
|
-1.1
|
0.6
|
Ebrill 2016
|
2.6
|
1.5
|
Mai 2016
|
4.8
|
2.2
|
Mehefin 2016
|
3.1
|
1.3
|
Gorffennaf 2016
|
-0.6
|
0.4
|
Awst 2016
|
-3.0
|
-1.1
|
Medi 2016
|
-2.1
|
-1.7
|
Hydref 2016
|
1.2
|
0.3
|
Tachwedd 2016
|
1.3
|
0.5
|
Rhagfyr 2016
|
1.4
|
0.8
|
Ionawr 2017
|
-0.3
|
-0.7
|
Chwefror 2017
|
1.2
|
0.8
|
Mawrth 2017
|
-0.8
|
-1.3
|
Ebrill 2017
|
0.6
|
1.1
|
Mai 2017
|
-0.1
|
-0.0
|
Mehefin 2017
|
0.9
|
1.7
|
Gorffennaf 2017
|
-0.8
|
-0.7
|
Awst 2017
|
-1.0
|
-0.3
|
Medi 2017
|
0.8
|
0.8
|
Hydref 2017
|
0.1
|
0.0
|
Tachwedd 2017
|
-1.0
|
-1.1
|
Rhagfyr 2017
|
-1.5
|
-1.5
|
Ionawr 2018
|
1.4
|
0.9
|
Chwefror 2018
|
2.7
|
0.5
|
Mawrth 2018
|
1.2
|
0.3
|
Ebrill 2018
|
-0.2
|
-0.1
|
Mai 2018
|
-0.6
|
1.6
|
Mehefin 2018
|
1.3
|
2.0
|
Gorffennaf 2018
|
-0.7
|
-0.2
|
Awst 2018
|
-0.6
|
-1.0
|
Medi 2018
|
-2.1
|
-1.9
|
Hydref 2018
|
0.1
|
-0.7
|
Tachwedd 2018
|
-1.4
|
-0.1
|
Rhagfyr 2018
|
-0.7
|
-1.2
|
Ionawr 2019
|
-1.6
|
-0.7
|
Chwefror 2019
|
1.2
|
-1.4
|
Mawrth 2019
|
-0.0
|
-0.2
|
Ebrill 2019
|
0.9
|
-0.1
|
Mai 2019
|
-2.0
|
-0.4
|
Mehefin 2019
|
1.6
|
2.5
|
Gorffennaf 2019
|
4.1
|
3.6
|
Awst 2019
|
1.1
|
1.0
|
Medi 2019
|
0.4
|
-0.7
|
Hydref 2019
|
-4.3
|
-3.2
|
Tachwedd 2019
|
-1.1
|
0.8
|
Rhagfyr 2019
|
-2.7
|
-0.3
|
Ionawr 2020
|
0.9
|
0.2
|
Chwefror 2020
|
0.2
|
-0.6
|
Mawrth 2020
|
1.7
|
0.2
|
Ebrill 2020
|
-0.3
|
0.4
|
Mai 2020
|
1.0
|
-0.7
|
Mehefin 2020
|
-2.1
|
-0.8
|
Gorffennaf 2020
|
0.7
|
1.3
|
Awst 2020
|
1.8
|
3.0
|
Medi 2020
|
0.7
|
0.4
|
Hydref 2020
|
-2.3
|
-0.6
|
Tachwedd 2020
|
-2.4
|
-0.7
|
Rhagfyr 2020
|
-0.0
|
0.7
|
Ionawr 2021
|
1.1
|
0.7
|
Chwefror 2021
|
1.7
|
0.1
|
Mawrth 2021
|
2.8
|
0.9
|
Ebrill 2021
|
1.5
|
-0.5
|
Mai 2021
|
-0.2
|
-0.1
|
Mehefin 2021
|
-0.4
|
1.1
|
Gorffennaf 2021
|
-2.1
|
-1.8
|
Awst 2021
|
0.0
|
1.5
|
Medi 2021
|
0.1
|
0.2
|
Hydref 2021
|
1.7
|
4.1
|
Tachwedd 2021
|
0.9
|
0.4
|
Rhagfyr 2021
|
-2.0
|
-0.6
|
Ionawr 2022
|
-0.4
|
-0.3
|
Chwefror 2022
|
0.5
|
0.3
|
Mawrth 2022
|
2.7
|
1.2
|
Ebrill 2022
|
0.8
|
0.8
|
Mai 2022
|
-0.2
|
0.9
|
Mehefin 2022
|
-0.5
|
0.2
|
Gorffennaf 2022
|
2.9
|
3.1
|
Awst 2022
|
1.2
|
1.5
|
Medi 2022
|
1.7
|
2.1
|
Hydref 2022
|
-1.6
|
-0.8
|
Tachwedd 2022
|
-0.8
|
-1.2
|
Rhagfyr 2022
|
-1.5
|
-1.3
|
Ionawr 2023
|
0.8
|
-0.3
|
Dyddiad
|
Adeilad newydd
|
Eiddo presennol
|
Ionawr 2002
|
45.9
|
44.5
|
Chwefror 2002
|
46.2
|
44.4
|
Mawrth 2002
|
46.3
|
44.4
|
Ebrill 2002
|
47.1
|
45.2
|
Mai 2002
|
47.9
|
46.3
|
Mehefin 2002
|
48.7
|
47.2
|
Gorffennaf 2002
|
48.6
|
47.7
|
Awst 2002
|
49.4
|
48.6
|
Medi 2002
|
50.3
|
50.0
|
Hydref 2002
|
51.1
|
50.8
|
Tachwedd 2002
|
51.4
|
51.3
|
Rhagfyr 2002
|
52.4
|
52.3
|
Ionawr 2003
|
52.7
|
52.9
|
Chwefror 2003
|
53.1
|
53.2
|
Mawrth 2003
|
52.6
|
52.6
|
Ebrill 2003
|
52.6
|
52.5
|
Mai 2003
|
52.2
|
52.4
|
Mehefin 2003
|
53.0
|
53.0
|
Gorffennaf 2003
|
53.8
|
53.6
|
Awst 2003
|
54.9
|
54.7
|
Medi 2003
|
54.6
|
55.0
|
Hydref 2003
|
54.4
|
54.8
|
Tachwedd 2003
|
54.2
|
54.6
|
Rhagfyr 2003
|
55.0
|
55.0
|
Ionawr 2004
|
55.4
|
55.4
|
Chwefror 2004
|
56.4
|
55.9
|
Mawrth 2004
|
57.3
|
56.3
|
Ebrill 2004
|
57.7
|
56.9
|
Mai 2004
|
58.2
|
57.6
|
Mehefin 2004
|
58.6
|
58.1
|
Gorffennaf 2004
|
59.3
|
59.2
|
Awst 2004
|
59.6
|
60.0
|
Medi 2004
|
58.7
|
59.6
|
Hydref 2004
|
59.1
|
59.5
|
Tachwedd 2004
|
58.4
|
58.4
|
Rhagfyr 2004
|
59.0
|
58.4
|
Ionawr 2005
|
58.9
|
57.5
|
Chwefror 2005
|
59.5
|
57.4
|
Mawrth 2005
|
60.3
|
57.7
|
Ebrill 2005
|
61.0
|
58.0
|
Mai 2005
|
62.8
|
59.5
|
Mehefin 2005
|
62.5
|
59.2
|
Gorffennaf 2005
|
63.0
|
60.1
|
Awst 2005
|
62.0
|
59.4
|
Medi 2005
|
62.6
|
60.2
|
Hydref 2005
|
61.6
|
59.1
|
Tachwedd 2005
|
62.2
|
59.4
|
Rhagfyr 2005
|
62.0
|
58.8
|
Ionawr 2006
|
63.0
|
59.8
|
Chwefror 2006
|
62.8
|
59.3
|
Mawrth 2006
|
63.0
|
59.6
|
Ebrill 2006
|
63.3
|
59.7
|
Mai 2006
|
63.8
|
60.4
|
Mehefin 2006
|
65.2
|
62.0
|
Gorffennaf 2006
|
65.1
|
62.5
|
Awst 2006
|
65.5
|
63.6
|
Medi 2006
|
65.2
|
63.6
|
Hydref 2006
|
66.2
|
64.5
|
Tachwedd 2006
|
66.0
|
64.3
|
Rhagfyr 2006
|
66.8
|
65.2
|
Ionawr 2007
|
67.1
|
65.4
|
Chwefror 2007
|
68.7
|
66.8
|
Mawrth 2007
|
69.6
|
67.8
|
Ebrill 2007
|
70.5
|
69.1
|
Mai 2007
|
72.0
|
70.3
|
Mehefin 2007
|
73.0
|
71.4
|
Gorffennaf 2007
|
75.0
|
73.0
|
Awst 2007
|
75.5
|
74.4
|
Medi 2007
|
76.3
|
75.4
|
Hydref 2007
|
76.9
|
76.2
|
Tachwedd 2007
|
77.3
|
76.3
|
Rhagfyr 2007
|
77.8
|
76.3
|
Ionawr 2008
|
77.1
|
75.5
|
Chwefror 2008
|
78.1
|
75.4
|
Mawrth 2008
|
77.7
|
74.4
|
Ebrill 2008
|
78.6
|
74.8
|
Mai 2008
|
77.7
|
74.0
|
Mehefin 2008
|
78.6
|
75.2
|
Gorffennaf 2008
|
77.5
|
74.4
|
Awst 2008
|
75.7
|
73.6
|
Medi 2008
|
73.4
|
71.6
|
Hydref 2008
|
71.8
|
69.7
|
Tachwedd 2008
|
71.2
|
68.3
|
Rhagfyr 2008
|
69.0
|
66.5
|
Ionawr 2009
|
66.8
|
64.5
|
Chwefror 2009
|
63.6
|
61.4
|
Mawrth 2009
|
61.9
|
59.0
|
Ebrill 2009
|
61.0
|
58.2
|
Mai 2009
|
61.5
|
59.3
|
Mehefin 2009
|
61.1
|
59.8
|
Gorffennaf 2009
|
61.8
|
61.3
|
Awst 2009
|
62.8
|
62.9
|
Medi 2009
|
64.9
|
65.2
|
Hydref 2009
|
65.8
|
66.3
|
Tachwedd 2009
|
65.8
|
66.4
|
Rhagfyr 2009
|
65.5
|
66.5
|
Ionawr 2010
|
65.7
|
68.0
|
Chwefror 2010
|
64.9
|
67.3
|
Mawrth 2010
|
67.2
|
69.4
|
Ebrill 2010
|
67.7
|
69.3
|
Mai 2010
|
70.1
|
71.9
|
Mehefin 2010
|
68.7
|
71.1
|
Gorffennaf 2010
|
69.6
|
72.9
|
Awst 2010
|
69.8
|
73.6
|
Medi 2010
|
71.1
|
74.8
|
Hydref 2010
|
70.7
|
73.4
|
Tachwedd 2010
|
70.6
|
72.7
|
Rhagfyr 2010
|
71.4
|
72.8
|
Ionawr 2011
|
72.8
|
74.0
|
Chwefror 2011
|
72.7
|
73.1
|
Mawrth 2011
|
72.3
|
72.1
|
Ebrill 2011
|
71.5
|
70.6
|
Mai 2011
|
73.8
|
72.1
|
Mehefin 2011
|
73.3
|
71.9
|
Gorffennaf 2011
|
74.3
|
73.0
|
Awst 2011
|
73.3
|
73.5
|
Medi 2011
|
73.3
|
74.1
|
Hydref 2011
|
73.2
|
74.6
|
Tachwedd 2011
|
73.4
|
74.1
|
Rhagfyr 2011
|
75.2
|
74.9
|
Ionawr 2012
|
74.9
|
74.5
|
Chwefror 2012
|
75.0
|
74.5
|
Mawrth 2012
|
73.4
|
73.1
|
Ebrill 2012
|
74.0
|
73.2
|
Mai 2012
|
75.4
|
74.7
|
Mehefin 2012
|
76.1
|
75.7
|
Gorffennaf 2012
|
76.0
|
76.4
|
Awst 2012
|
76.4
|
77.3
|
Medi 2012
|
76.8
|
78.0
|
Hydref 2012
|
78.9
|
79.0
|
Tachwedd 2012
|
78.2
|
77.8
|
Rhagfyr 2012
|
80.4
|
78.8
|
Ionawr 2013
|
79.0
|
78.7
|
Chwefror 2013
|
78.5
|
79.0
|
Mawrth 2013
|
78.1
|
79.2
|
Ebrill 2013
|
79.8
|
79.9
|
Mai 2013
|
81.5
|
81.0
|
Mehefin 2013
|
80.1
|
80.2
|
Gorffennaf 2013
|
79.3
|
79.9
|
Awst 2013
|
79.2
|
80.1
|
Medi 2013
|
81.3
|
82.1
|
Hydref 2013
|
82.9
|
83.2
|
Tachwedd 2013
|
84.3
|
84.0
|
Rhagfyr 2013
|
85.7
|
84.8
|
Ionawr 2014
|
87.2
|
86.5
|
Chwefror 2014
|
89.1
|
88.2
|
Mawrth 2014
|
90.8
|
90.1
|
Ebrill 2014
|
92.6
|
91.6
|
Mai 2014
|
94.0
|
92.6
|
Mehefin 2014
|
95.9
|
94.6
|
Gorffennaf 2014
|
97.8
|
97.0
|
Awst 2014
|
99.4
|
99.9
|
Medi 2014
|
99.0
|
100.3
|
Hydref 2014
|
98.6
|
99.7
|
Tachwedd 2014
|
99.2
|
100.3
|
Rhagfyr 2014
|
100.2
|
100.6
|
Ionawr 2015
|
100.0
|
100.0
|
Chwefror 2015
|
100.2
|
98.7
|
Mawrth 2015
|
101.2
|
99.3
|
Ebrill 2015
|
102.7
|
100.6
|
Mai 2015
|
101.5
|
100.2
|
Mehefin 2015
|
100.5
|
100.6
|
Gorffennaf 2015
|
101.1
|
101.7
|
Awst 2015
|
103.9
|
105.3
|
Medi 2015
|
104.5
|
105.5
|
Hydref 2015
|
104.4
|
105.6
|
Tachwedd 2015
|
104.2
|
105.1
|
Rhagfyr 2015
|
107.9
|
107.8
|
Ionawr 2016
|
109.2
|
108.9
|
Chwefror 2016
|
109.6
|
109.6
|
Mawrth 2016
|
108.4
|
110.3
|
Ebrill 2016
|
111.2
|
111.9
|
Mai 2016
|
116.5
|
114.4
|
Mehefin 2016
|
120.1
|
115.9
|
Gorffennaf 2016
|
119.4
|
116.3
|
Awst 2016
|
115.8
|
115.0
|
Medi 2016
|
113.3
|
113.0
|
Hydref 2016
|
114.6
|
113.3
|
Tachwedd 2016
|
116.1
|
113.9
|
Rhagfyr 2016
|
117.7
|
114.8
|
Ionawr 2017
|
117.4
|
114.0
|
Chwefror 2017
|
118.8
|
114.9
|
Mawrth 2017
|
117.8
|
113.5
|
Ebrill 2017
|
118.5
|
114.8
|
Mai 2017
|
118.4
|
114.7
|
Mehefin 2017
|
119.4
|
116.6
|
Gorffennaf 2017
|
118.4
|
115.9
|
Awst 2017
|
117.3
|
115.5
|
Medi 2017
|
118.3
|
116.5
|
Hydref 2017
|
118.3
|
116.5
|
Tachwedd 2017
|
117.1
|
115.3
|
Rhagfyr 2017
|
115.4
|
113.6
|
Ionawr 2018
|
117.0
|
114.6
|
Chwefror 2018
|
120.2
|
115.2
|
Mawrth 2018
|
121.7
|
115.6
|
Ebrill 2018
|
121.5
|
115.4
|
Mai 2018
|
120.8
|
117.3
|
Mehefin 2018
|
122.3
|
119.6
|
Gorffennaf 2018
|
121.4
|
119.4
|
Awst 2018
|
120.7
|
118.1
|
Medi 2018
|
118.2
|
115.9
|
Hydref 2018
|
118.3
|
115.1
|
Tachwedd 2018
|
116.7
|
115.0
|
Rhagfyr 2018
|
115.8
|
113.6
|
Ionawr 2019
|
114.0
|
112.8
|
Chwefror 2019
|
115.4
|
111.2
|
Mawrth 2019
|
115.3
|
111.0
|
Ebrill 2019
|
116.3
|
110.9
|
Mai 2019
|
114.0
|
110.5
|
Mehefin 2019
|
115.9
|
113.2
|
Gorffennaf 2019
|
120.6
|
117.3
|
Awst 2019
|
122.0
|
118.4
|
Medi 2019
|
122.4
|
117.6
|
Hydref 2019
|
117.2
|
113.8
|
Tachwedd 2019
|
115.9
|
114.8
|
Rhagfyr 2019
|
112.8
|
114.4
|
Ionawr 2020
|
113.8
|
114.6
|
Chwefror 2020
|
114.1
|
113.9
|
Mawrth 2020
|
116.0
|
114.1
|
Ebrill 2020
|
115.6
|
114.6
|
Mai 2020
|
116.8
|
113.8
|
Mehefin 2020
|
114.3
|
112.9
|
Gorffennaf 2020
|
115.2
|
114.4
|
Awst 2020
|
117.2
|
117.8
|
Medi 2020
|
118.1
|
118.2
|
Hydref 2020
|
115.3
|
117.5
|
Tachwedd 2020
|
112.6
|
116.7
|
Rhagfyr 2020
|
112.6
|
117.5
|
Ionawr 2021
|
113.9
|
118.3
|
Chwefror 2021
|
115.7
|
118.5
|
Mawrth 2021
|
119.0
|
119.6
|
Ebrill 2021
|
120.7
|
118.9
|
Mai 2021
|
120.5
|
118.8
|
Mehefin 2021
|
120.0
|
120.1
|
Gorffennaf 2021
|
117.5
|
117.9
|
Awst 2021
|
117.5
|
119.7
|
Medi 2021
|
117.6
|
119.9
|
Hydref 2021
|
119.6
|
124.8
|
Tachwedd 2021
|
120.7
|
125.3
|
Rhagfyr 2021
|
118.3
|
124.5
|
Ionawr 2022
|
117.8
|
124.2
|
Chwefror 2022
|
118.4
|
124.5
|
Mawrth 2022
|
121.6
|
126.1
|
Ebrill 2022
|
122.5
|
127.1
|
Mai 2022
|
122.4
|
128.2
|
Mehefin 2022
|
121.8
|
128.5
|
Gorffennaf 2022
|
125.3
|
132.5
|
Awst 2022
|
126.9
|
134.4
|
Medi 2022
|
129.0
|
137.2
|
Hydref 2022
|
127.0
|
136.1
|
Tachwedd 2022
|
125.9
|
134.5
|
Rhagfyr 2022
|
124.1
|
132.7
|
Ionawr 2023
|
125.1
|
132.3
|