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
|
130411.0
|
280980.0
|
165413.0
|
Chwefror 2000
|
132705.0
|
279796.0
|
165391.0
|
Mawrth 2000
|
134286.0
|
284608.0
|
168433.0
|
Ebrill 2000
|
140670.0
|
293946.0
|
174235.0
|
Mai 2000
|
140862.0
|
297670.0
|
176792.0
|
Mehefin 2000
|
143542.0
|
298774.0
|
179057.0
|
Gorffennaf 2000
|
146228.0
|
313017.0
|
183384.0
|
Awst 2000
|
147284.0
|
311885.0
|
184296.0
|
Medi 2000
|
147316.0
|
314775.0
|
183347.0
|
Hydref 2000
|
145626.0
|
314817.0
|
184698.0
|
Tachwedd 2000
|
147666.0
|
314211.0
|
182742.0
|
Rhagfyr 2000
|
147483.0
|
307562.0
|
182542.0
|
Ionawr 2001
|
149543.0
|
313677.0
|
185344.0
|
Chwefror 2001
|
149776.0
|
316859.0
|
187191.0
|
Mawrth 2001
|
150941.0
|
312590.0
|
186613.0
|
Ebrill 2001
|
152865.0
|
317568.0
|
187982.0
|
Mai 2001
|
157156.0
|
320126.0
|
192150.0
|
Mehefin 2001
|
158760.0
|
321946.0
|
193754.0
|
Gorffennaf 2001
|
161122.0
|
337102.0
|
199554.0
|
Awst 2001
|
164628.0
|
340860.0
|
201833.0
|
Medi 2001
|
164820.0
|
344116.0
|
202792.0
|
Hydref 2001
|
166189.0
|
348354.0
|
205977.0
|
Tachwedd 2001
|
167214.0
|
346501.0
|
206766.0
|
Rhagfyr 2001
|
167693.0
|
340664.0
|
205384.0
|
Ionawr 2002
|
169841.0
|
352528.0
|
210722.0
|
Chwefror 2002
|
170502.0
|
347520.0
|
209278.0
|
Mawrth 2002
|
172749.0
|
351801.0
|
211962.0
|
Ebrill 2002
|
178218.0
|
359916.0
|
217092.0
|
Mai 2002
|
182805.0
|
367527.0
|
223779.0
|
Mehefin 2002
|
186038.0
|
369726.0
|
224529.0
|
Gorffennaf 2002
|
191162.0
|
389899.0
|
233908.0
|
Awst 2002
|
195333.0
|
394662.0
|
239197.0
|
Medi 2002
|
197045.0
|
399194.0
|
242636.0
|
Hydref 2002
|
199092.0
|
404694.0
|
246998.0
|
Tachwedd 2002
|
202527.0
|
412507.0
|
248842.0
|
Rhagfyr 2002
|
203437.0
|
407963.0
|
252359.0
|
Ionawr 2003
|
207162.0
|
419137.0
|
254641.0
|
Chwefror 2003
|
206464.0
|
414982.0
|
256602.0
|
Mawrth 2003
|
205573.0
|
415288.0
|
255085.0
|
Ebrill 2003
|
207953.0
|
415921.0
|
258067.0
|
Mai 2003
|
210583.0
|
418968.0
|
261553.0
|
Mehefin 2003
|
208941.0
|
417655.0
|
259215.0
|
Gorffennaf 2003
|
213806.0
|
426441.0
|
266051.0
|
Awst 2003
|
212692.0
|
423770.0
|
264469.0
|
Medi 2003
|
212901.0
|
428779.0
|
266092.0
|
Hydref 2003
|
214608.0
|
427660.0
|
267387.0
|
Tachwedd 2003
|
215556.0
|
425184.0
|
267314.0
|
Rhagfyr 2003
|
216971.0
|
420852.0
|
267879.0
|
Ionawr 2004
|
218855.0
|
434342.0
|
271332.0
|
Chwefror 2004
|
219804.0
|
434984.0
|
273084.0
|
Mawrth 2004
|
221324.0
|
432135.0
|
271383.0
|
Ebrill 2004
|
225863.0
|
435578.0
|
278620.0
|
Mai 2004
|
227330.0
|
430197.0
|
279298.0
|
Mehefin 2004
|
230156.0
|
438283.0
|
281838.0
|
Gorffennaf 2004
|
233877.0
|
447529.0
|
288388.0
|
Awst 2004
|
234836.0
|
452951.0
|
288655.0
|
Medi 2004
|
234134.0
|
451595.0
|
288161.0
|
Hydref 2004
|
232287.0
|
448530.0
|
286511.0
|
Tachwedd 2004
|
234718.0
|
449256.0
|
287896.0
|
Rhagfyr 2004
|
230185.0
|
441332.0
|
282435.0
|
Ionawr 2005
|
232422.0
|
448212.0
|
284417.0
|
Chwefror 2005
|
231321.0
|
442730.0
|
283523.0
|
Mawrth 2005
|
231263.0
|
440100.0
|
282278.0
|
Ebrill 2005
|
235367.0
|
443176.0
|
286920.0
|
Mai 2005
|
235685.0
|
447963.0
|
288344.0
|
Mehefin 2005
|
235899.0
|
443028.0
|
287519.0
|
Gorffennaf 2005
|
237872.0
|
449202.0
|
290947.0
|
Awst 2005
|
237971.0
|
449857.0
|
288600.0
|
Medi 2005
|
236916.0
|
451638.0
|
290297.0
|
Hydref 2005
|
234298.0
|
442924.0
|
286183.0
|
Tachwedd 2005
|
236561.0
|
445427.0
|
288242.0
|
Rhagfyr 2005
|
238377.0
|
438936.0
|
285358.0
|
Ionawr 2006
|
239846.0
|
454025.0
|
291590.0
|
Chwefror 2006
|
239115.0
|
448642.0
|
289915.0
|
Mawrth 2006
|
241380.0
|
454096.0
|
292056.0
|
Ebrill 2006
|
245474.0
|
455431.0
|
296200.0
|
Mai 2006
|
247591.0
|
460366.0
|
297797.0
|
Mehefin 2006
|
251417.0
|
465913.0
|
301279.0
|
Gorffennaf 2006
|
253883.0
|
473171.0
|
306203.0
|
Awst 2006
|
256704.0
|
478540.0
|
308896.0
|
Medi 2006
|
257541.0
|
483177.0
|
310130.0
|
Hydref 2006
|
259115.0
|
483203.0
|
311206.0
|
Tachwedd 2006
|
258814.0
|
484883.0
|
312651.0
|
Rhagfyr 2006
|
264494.0
|
491261.0
|
316458.0
|
Ionawr 2007
|
267658.0
|
496475.0
|
319628.0
|
Chwefror 2007
|
270780.0
|
501729.0
|
322708.0
|
Mawrth 2007
|
273479.0
|
506544.0
|
325473.0
|
Ebrill 2007
|
278805.0
|
512600.0
|
330825.0
|
Mai 2007
|
282726.0
|
515304.0
|
334101.0
|
Mehefin 2007
|
285958.0
|
524980.0
|
337493.0
|
Gorffennaf 2007
|
295694.0
|
547759.0
|
350983.0
|
Awst 2007
|
297653.0
|
546248.0
|
350162.0
|
Medi 2007
|
298414.0
|
552891.0
|
351709.0
|
Hydref 2007
|
298559.0
|
555873.0
|
351538.0
|
Tachwedd 2007
|
297648.0
|
560486.0
|
354894.0
|
Rhagfyr 2007
|
297994.0
|
551709.0
|
352333.0
|
Ionawr 2008
|
298596.0
|
562436.0
|
354015.0
|
Chwefror 2008
|
295700.0
|
552961.0
|
351217.0
|
Mawrth 2008
|
293605.0
|
547952.0
|
349568.0
|
Ebrill 2008
|
294346.0
|
557690.0
|
349515.0
|
Mai 2008
|
295163.0
|
550050.0
|
350758.0
|
Mehefin 2008
|
290100.0
|
542550.0
|
344894.0
|
Gorffennaf 2008
|
290261.0
|
546197.0
|
343508.0
|
Awst 2008
|
281721.0
|
532326.0
|
335791.0
|
Medi 2008
|
276487.0
|
524235.0
|
326819.0
|
Hydref 2008
|
266999.0
|
506702.0
|
316158.0
|
Tachwedd 2008
|
258647.0
|
493046.0
|
308780.0
|
Rhagfyr 2008
|
253881.0
|
480437.0
|
303686.0
|
Ionawr 2009
|
253093.0
|
484980.0
|
300817.0
|
Chwefror 2009
|
249847.0
|
465160.0
|
296380.0
|
Mawrth 2009
|
247264.0
|
460766.0
|
291834.0
|
Ebrill 2009
|
245351.0
|
456683.0
|
291883.0
|
Mai 2009
|
249991.0
|
462317.0
|
295985.0
|
Mehefin 2009
|
253596.0
|
468537.0
|
299623.0
|
Gorffennaf 2009
|
259793.0
|
484437.0
|
310207.0
|
Awst 2009
|
262076.0
|
491850.0
|
314236.0
|
Medi 2009
|
267501.0
|
497220.0
|
316791.0
|
Hydref 2009
|
268780.0
|
504815.0
|
321628.0
|
Tachwedd 2009
|
266837.0
|
501064.0
|
318077.0
|
Rhagfyr 2009
|
270118.0
|
502617.0
|
323927.0
|
Ionawr 2010
|
279724.0
|
525410.0
|
335145.0
|
Chwefror 2010
|
278753.0
|
524431.0
|
335551.0
|
Mawrth 2010
|
280472.0
|
532768.0
|
335940.0
|
Ebrill 2010
|
281981.0
|
530526.0
|
337788.0
|
Mai 2010
|
281762.0
|
532230.0
|
337877.0
|
Mehefin 2010
|
284541.0
|
536235.0
|
340019.0
|
Gorffennaf 2010
|
292772.0
|
560177.0
|
351466.0
|
Awst 2010
|
290646.0
|
552684.0
|
352306.0
|
Medi 2010
|
290093.0
|
559284.0
|
350133.0
|
Hydref 2010
|
286131.0
|
548402.0
|
345578.0
|
Tachwedd 2010
|
282290.0
|
545732.0
|
343402.0
|
Rhagfyr 2010
|
285353.0
|
545247.0
|
344640.0
|
Ionawr 2011
|
287983.0
|
561353.0
|
347089.0
|
Chwefror 2011
|
285227.0
|
556285.0
|
343860.0
|
Mawrth 2011
|
287092.0
|
559907.0
|
342214.0
|
Ebrill 2011
|
293993.0
|
556813.0
|
346657.0
|
Mai 2011
|
284722.0
|
539789.0
|
342357.0
|
Mehefin 2011
|
285906.0
|
534579.0
|
340812.0
|
Gorffennaf 2011
|
295843.0
|
555115.0
|
350495.0
|
Awst 2011
|
294903.0
|
558789.0
|
354046.0
|
Medi 2011
|
295358.0
|
566622.0
|
353417.0
|
Hydref 2011
|
292267.0
|
565503.0
|
354002.0
|
Tachwedd 2011
|
291036.0
|
559120.0
|
348955.0
|
Rhagfyr 2011
|
292284.0
|
553602.0
|
350948.0
|
Ionawr 2012
|
294360.0
|
554780.0
|
352985.0
|
Chwefror 2012
|
292381.0
|
569459.0
|
354995.0
|
Mawrth 2012
|
290379.0
|
544127.0
|
345599.0
|
Ebrill 2012
|
299065.0
|
561806.0
|
354724.0
|
Mai 2012
|
304081.0
|
570424.0
|
361779.0
|
Mehefin 2012
|
306823.0
|
567821.0
|
361738.0
|
Gorffennaf 2012
|
308962.0
|
580113.0
|
366704.0
|
Awst 2012
|
310043.0
|
582142.0
|
368878.0
|
Medi 2012
|
308469.0
|
579776.0
|
365664.0
|
Hydref 2012
|
310281.0
|
580841.0
|
367792.0
|
Tachwedd 2012
|
308540.0
|
579766.0
|
366472.0
|
Rhagfyr 2012
|
313744.0
|
584430.0
|
368743.0
|
Ionawr 2013
|
311364.0
|
585417.0
|
371472.0
|
Chwefror 2013
|
313550.0
|
584924.0
|
369428.0
|
Mawrth 2013
|
312289.0
|
587252.0
|
369862.0
|
Ebrill 2013
|
320921.0
|
592752.0
|
374400.0
|
Mai 2013
|
322324.0
|
600796.0
|
379979.0
|
Mehefin 2013
|
324518.0
|
600375.0
|
380448.0
|
Gorffennaf 2013
|
332988.0
|
612056.0
|
388303.0
|
Awst 2013
|
335743.0
|
621017.0
|
394860.0
|
Medi 2013
|
340494.0
|
627915.0
|
394236.0
|
Hydref 2013
|
340045.0
|
629328.0
|
398386.0
|
Tachwedd 2013
|
343749.0
|
631279.0
|
401464.0
|
Rhagfyr 2013
|
352028.0
|
632546.0
|
405661.0
|
Ionawr 2014
|
355830.0
|
651986.0
|
413770.0
|
Chwefror 2014
|
357876.0
|
657774.0
|
415632.0
|
Mawrth 2014
|
361400.0
|
656427.0
|
417649.0
|
Ebrill 2014
|
375337.0
|
688122.0
|
435644.0
|
Mai 2014
|
382705.0
|
692487.0
|
441186.0
|
Mehefin 2014
|
387182.0
|
699099.0
|
446329.0
|
Gorffennaf 2014
|
398737.0
|
728491.0
|
465103.0
|
Awst 2014
|
404754.0
|
739313.0
|
471552.0
|
Medi 2014
|
403670.0
|
738828.0
|
468585.0
|
Hydref 2014
|
402300.0
|
741040.0
|
470849.0
|
Tachwedd 2014
|
400803.0
|
743115.0
|
472027.0
|
Rhagfyr 2014
|
402898.0
|
739606.0
|
469349.0
|
Ionawr 2015
|
402847.0
|
743471.0
|
471904.0
|
Chwefror 2015
|
404773.0
|
748417.0
|
473702.0
|
Mawrth 2015
|
404706.0
|
746670.0
|
474072.0
|
Ebrill 2015
|
410445.0
|
759614.0
|
480438.0
|
Mai 2015
|
415817.0
|
758190.0
|
485444.0
|
Mehefin 2015
|
419474.0
|
772089.0
|
493081.0
|
Gorffennaf 2015
|
431644.0
|
787783.0
|
506181.0
|
Awst 2015
|
436152.0
|
805864.0
|
514997.0
|
Medi 2015
|
439729.0
|
820565.0
|
517030.0
|
Hydref 2015
|
440484.0
|
824799.0
|
525228.0
|
Tachwedd 2015
|
445485.0
|
828661.0
|
528318.0
|
Rhagfyr 2015
|
450053.0
|
844884.0
|
536465.0
|
Ionawr 2016
|
457466.0
|
846956.0
|
546758.0
|
Chwefror 2016
|
457759.0
|
863896.0
|
550400.0
|
Mawrth 2016
|
464647.0
|
873391.0
|
549954.0
|
Ebrill 2016
|
461068.0
|
859832.0
|
551600.0
|
Mai 2016
|
467485.0
|
864839.0
|
557920.0
|
Mehefin 2016
|
468120.0
|
885121.0
|
560281.0
|
Gorffennaf 2016
|
475530.0
|
893103.0
|
572688.0
|
Awst 2016
|
471957.0
|
889075.0
|
568552.0
|
Medi 2016
|
471767.0
|
883706.0
|
565376.0
|
Hydref 2016
|
471008.0
|
883336.0
|
565977.0
|
Tachwedd 2016
|
470854.0
|
886553.0
|
562093.0
|
Rhagfyr 2016
|
472374.0
|
887005.0
|
562272.0
|
Ionawr 2017
|
475619.0
|
893279.0
|
568911.0
|
Chwefror 2017
|
476717.0
|
887959.0
|
563242.0
|
Mawrth 2017
|
475442.0
|
893859.0
|
566834.0
|
Ebrill 2017
|
479790.0
|
899133.0
|
567701.0
|
Mai 2017
|
480902.0
|
890430.0
|
571569.0
|
Mehefin 2017
|
480152.0
|
890539.0
|
569116.0
|
Gorffennaf 2017
|
488527.0
|
903023.0
|
582307.0
|
Awst 2017
|
487085.0
|
904655.0
|
579880.0
|
Medi 2017
|
483833.0
|
913220.0
|
578519.0
|
Hydref 2017
|
481762.0
|
908782.0
|
580410.0
|
Tachwedd 2017
|
476290.0
|
892900.0
|
573421.0
|
Rhagfyr 2017
|
476848.0
|
899100.0
|
573194.0
|
Ionawr 2018
|
479772.0
|
895602.0
|
576870.0
|
Chwefror 2018
|
477860.0
|
898057.0
|
574508.0
|
Mawrth 2018
|
472357.0
|
890041.0
|
572169.0
|
Ebrill 2018
|
477253.0
|
898928.0
|
579191.0
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai pâr
|
Ionawr 2000
|
23.4
|
24.0
|
22.8
|
Chwefror 2000
|
26.1
|
24.1
|
23.2
|
Mawrth 2000
|
25.0
|
25.0
|
23.8
|
Ebrill 2000
|
28.3
|
26.4
|
25.6
|
Mai 2000
|
26.7
|
28.2
|
26.5
|
Mehefin 2000
|
26.7
|
24.3
|
24.9
|
Gorffennaf 2000
|
25.0
|
25.5
|
24.5
|
Awst 2000
|
23.4
|
23.6
|
23.2
|
Medi 2000
|
20.2
|
20.9
|
20.2
|
Hydref 2000
|
18.4
|
20.3
|
19.2
|
Tachwedd 2000
|
17.4
|
17.6
|
15.6
|
Rhagfyr 2000
|
15.3
|
15.9
|
14.7
|
Ionawr 2001
|
14.7
|
11.6
|
12.0
|
Chwefror 2001
|
12.9
|
13.2
|
13.2
|
Mawrth 2001
|
12.4
|
9.8
|
10.8
|
Ebrill 2001
|
8.7
|
8.0
|
7.9
|
Mai 2001
|
11.6
|
7.5
|
8.7
|
Mehefin 2001
|
10.6
|
7.8
|
8.2
|
Gorffennaf 2001
|
10.2
|
7.7
|
8.8
|
Awst 2001
|
11.8
|
9.3
|
9.5
|
Medi 2001
|
11.9
|
9.3
|
10.6
|
Hydref 2001
|
14.1
|
10.6
|
11.5
|
Tachwedd 2001
|
13.2
|
10.3
|
13.2
|
Rhagfyr 2001
|
13.7
|
10.8
|
12.5
|
Ionawr 2002
|
13.6
|
12.4
|
13.7
|
Chwefror 2002
|
13.8
|
9.7
|
11.8
|
Mawrth 2002
|
14.4
|
12.5
|
13.6
|
Ebrill 2002
|
16.6
|
13.3
|
15.5
|
Mai 2002
|
16.3
|
14.8
|
16.5
|
Mehefin 2002
|
17.2
|
14.8
|
15.9
|
Gorffennaf 2002
|
18.6
|
15.7
|
17.2
|
Awst 2002
|
18.6
|
15.8
|
18.5
|
Medi 2002
|
19.6
|
16.0
|
19.6
|
Hydref 2002
|
19.8
|
16.2
|
19.9
|
Tachwedd 2002
|
21.1
|
19.0
|
20.4
|
Rhagfyr 2002
|
21.3
|
19.8
|
22.9
|
Ionawr 2003
|
22.0
|
18.9
|
20.8
|
Chwefror 2003
|
21.1
|
19.4
|
22.6
|
Mawrth 2003
|
19.0
|
18.0
|
20.3
|
Ebrill 2003
|
16.7
|
15.6
|
18.9
|
Mai 2003
|
15.2
|
14.0
|
16.9
|
Mehefin 2003
|
12.3
|
13.0
|
15.4
|
Gorffennaf 2003
|
11.8
|
9.4
|
13.7
|
Awst 2003
|
8.9
|
7.4
|
10.6
|
Medi 2003
|
8.0
|
7.4
|
9.7
|
Hydref 2003
|
7.8
|
5.7
|
8.2
|
Tachwedd 2003
|
6.4
|
3.1
|
7.4
|
Rhagfyr 2003
|
6.6
|
3.2
|
6.2
|
Ionawr 2004
|
5.6
|
3.6
|
6.6
|
Chwefror 2004
|
6.5
|
4.8
|
6.4
|
Mawrth 2004
|
7.7
|
4.1
|
6.4
|
Ebrill 2004
|
8.6
|
4.7
|
8.0
|
Mai 2004
|
8.0
|
2.7
|
6.8
|
Mehefin 2004
|
10.2
|
4.9
|
8.7
|
Gorffennaf 2004
|
9.4
|
5.0
|
8.4
|
Awst 2004
|
10.4
|
6.9
|
9.2
|
Medi 2004
|
10.0
|
5.3
|
8.3
|
Hydref 2004
|
8.2
|
4.9
|
7.2
|
Tachwedd 2004
|
8.9
|
5.7
|
7.7
|
Rhagfyr 2004
|
6.1
|
4.9
|
5.4
|
Ionawr 2005
|
6.2
|
3.2
|
4.8
|
Chwefror 2005
|
5.2
|
1.8
|
3.8
|
Mawrth 2005
|
4.5
|
1.8
|
4.0
|
Ebrill 2005
|
4.2
|
1.7
|
3.0
|
Mai 2005
|
3.7
|
4.1
|
3.2
|
Mehefin 2005
|
2.5
|
1.1
|
2.0
|
Gorffennaf 2005
|
1.7
|
0.4
|
0.9
|
Awst 2005
|
1.3
|
-0.7
|
-0.0
|
Medi 2005
|
1.2
|
0.0
|
0.7
|
Hydref 2005
|
0.9
|
-1.2
|
-0.1
|
Tachwedd 2005
|
0.8
|
-0.8
|
0.1
|
Rhagfyr 2005
|
3.6
|
-0.5
|
1.0
|
Ionawr 2006
|
3.2
|
1.3
|
2.5
|
Chwefror 2006
|
3.4
|
1.3
|
2.2
|
Mawrth 2006
|
4.4
|
3.2
|
3.5
|
Ebrill 2006
|
4.3
|
2.8
|
3.2
|
Mai 2006
|
5.0
|
2.8
|
3.3
|
Mehefin 2006
|
6.6
|
5.2
|
4.8
|
Gorffennaf 2006
|
6.7
|
5.3
|
5.2
|
Awst 2006
|
7.9
|
6.4
|
7.0
|
Medi 2006
|
8.7
|
7.0
|
6.8
|
Hydref 2006
|
10.6
|
9.1
|
8.7
|
Tachwedd 2006
|
9.4
|
8.9
|
8.5
|
Rhagfyr 2006
|
11.0
|
11.9
|
10.9
|
Ionawr 2007
|
11.6
|
9.4
|
9.6
|
Chwefror 2007
|
13.2
|
11.8
|
11.3
|
Mawrth 2007
|
13.3
|
11.6
|
11.4
|
Ebrill 2007
|
13.6
|
12.6
|
11.7
|
Mai 2007
|
14.2
|
11.9
|
12.2
|
Mehefin 2007
|
13.7
|
12.7
|
12.0
|
Gorffennaf 2007
|
16.5
|
15.8
|
14.6
|
Awst 2007
|
16.0
|
14.2
|
13.4
|
Medi 2007
|
15.9
|
14.4
|
13.4
|
Hydref 2007
|
15.2
|
15.0
|
13.0
|
Tachwedd 2007
|
15.0
|
15.6
|
13.5
|
Rhagfyr 2007
|
12.7
|
12.3
|
11.3
|
Ionawr 2008
|
11.6
|
13.3
|
10.8
|
Chwefror 2008
|
9.2
|
10.2
|
8.8
|
Mawrth 2008
|
7.4
|
8.2
|
7.4
|
Ebrill 2008
|
5.6
|
8.8
|
5.6
|
Mai 2008
|
4.4
|
6.7
|
5.0
|
Mehefin 2008
|
1.4
|
3.4
|
2.2
|
Gorffennaf 2008
|
-1.8
|
-0.3
|
-2.1
|
Awst 2008
|
-5.4
|
-2.6
|
-4.1
|
Medi 2008
|
-7.4
|
-5.2
|
-7.1
|
Hydref 2008
|
-10.6
|
-8.8
|
-10.1
|
Tachwedd 2008
|
-13.1
|
-12.0
|
-13.0
|
Rhagfyr 2008
|
-14.8
|
-12.9
|
-13.8
|
Ionawr 2009
|
-15.2
|
-13.8
|
-15.0
|
Chwefror 2009
|
-15.5
|
-15.9
|
-15.6
|
Mawrth 2009
|
-15.8
|
-15.9
|
-16.5
|
Ebrill 2009
|
-16.6
|
-18.1
|
-16.5
|
Mai 2009
|
-15.3
|
-16.0
|
-15.6
|
Mehefin 2009
|
-12.6
|
-13.6
|
-13.1
|
Gorffennaf 2009
|
-10.5
|
-11.3
|
-9.7
|
Awst 2009
|
-7.0
|
-7.6
|
-6.4
|
Medi 2009
|
-3.2
|
-5.2
|
-3.1
|
Hydref 2009
|
0.7
|
-0.4
|
1.7
|
Tachwedd 2009
|
3.2
|
1.6
|
3.0
|
Rhagfyr 2009
|
6.4
|
4.6
|
6.7
|
Ionawr 2010
|
10.5
|
8.3
|
11.4
|
Chwefror 2010
|
11.6
|
12.7
|
13.2
|
Mawrth 2010
|
13.4
|
15.6
|
15.1
|
Ebrill 2010
|
14.9
|
16.2
|
15.7
|
Mai 2010
|
12.7
|
15.1
|
14.2
|
Mehefin 2010
|
12.2
|
14.4
|
13.5
|
Gorffennaf 2010
|
12.7
|
15.6
|
13.3
|
Awst 2010
|
10.9
|
12.4
|
12.1
|
Medi 2010
|
8.4
|
12.5
|
10.5
|
Hydref 2010
|
6.5
|
8.6
|
7.4
|
Tachwedd 2010
|
5.8
|
8.9
|
8.0
|
Rhagfyr 2010
|
5.6
|
8.5
|
6.4
|
Ionawr 2011
|
3.0
|
6.8
|
3.6
|
Chwefror 2011
|
2.3
|
6.1
|
2.5
|
Mawrth 2011
|
2.4
|
5.1
|
1.9
|
Ebrill 2011
|
4.3
|
5.0
|
2.6
|
Mai 2011
|
1.0
|
1.4
|
1.3
|
Mehefin 2011
|
0.5
|
-0.3
|
0.2
|
Gorffennaf 2011
|
1.0
|
-0.9
|
-0.3
|
Awst 2011
|
1.5
|
1.1
|
0.5
|
Medi 2011
|
1.8
|
1.3
|
0.9
|
Hydref 2011
|
2.1
|
3.1
|
2.4
|
Tachwedd 2011
|
3.1
|
2.4
|
1.6
|
Rhagfyr 2011
|
2.4
|
1.5
|
1.8
|
Ionawr 2012
|
2.2
|
-1.2
|
1.7
|
Chwefror 2012
|
2.5
|
2.4
|
3.2
|
Mawrth 2012
|
1.1
|
-2.8
|
1.0
|
Ebrill 2012
|
1.7
|
0.9
|
2.3
|
Mai 2012
|
6.8
|
5.7
|
5.7
|
Mehefin 2012
|
7.3
|
6.2
|
6.1
|
Gorffennaf 2012
|
4.4
|
4.5
|
4.6
|
Awst 2012
|
5.1
|
4.2
|
4.2
|
Medi 2012
|
4.4
|
2.3
|
3.5
|
Hydref 2012
|
6.2
|
2.7
|
3.9
|
Tachwedd 2012
|
6.0
|
3.7
|
5.0
|
Rhagfyr 2012
|
7.3
|
5.6
|
5.1
|
Ionawr 2013
|
5.8
|
5.5
|
5.2
|
Chwefror 2013
|
7.2
|
2.7
|
4.1
|
Mawrth 2013
|
7.6
|
7.9
|
7.0
|
Ebrill 2013
|
7.3
|
5.5
|
5.6
|
Mai 2013
|
6.0
|
5.3
|
5.0
|
Mehefin 2013
|
5.8
|
5.7
|
5.2
|
Gorffennaf 2013
|
7.8
|
5.5
|
5.9
|
Awst 2013
|
8.3
|
6.7
|
7.0
|
Medi 2013
|
10.4
|
8.3
|
7.8
|
Hydref 2013
|
9.6
|
8.4
|
8.3
|
Tachwedd 2013
|
11.4
|
8.9
|
9.6
|
Rhagfyr 2013
|
12.2
|
8.2
|
10.0
|
Ionawr 2014
|
14.3
|
11.4
|
11.4
|
Chwefror 2014
|
14.1
|
12.4
|
12.5
|
Mawrth 2014
|
15.7
|
11.8
|
12.9
|
Ebrill 2014
|
17.0
|
16.1
|
16.4
|
Mai 2014
|
18.7
|
15.3
|
16.1
|
Mehefin 2014
|
19.3
|
16.4
|
17.3
|
Gorffennaf 2014
|
19.8
|
19.0
|
19.8
|
Awst 2014
|
20.6
|
19.0
|
19.4
|
Medi 2014
|
18.6
|
17.7
|
18.9
|
Hydref 2014
|
18.3
|
17.8
|
18.2
|
Tachwedd 2014
|
16.6
|
17.7
|
17.6
|
Rhagfyr 2014
|
14.4
|
16.9
|
15.7
|
Ionawr 2015
|
13.2
|
14.0
|
14.0
|
Chwefror 2015
|
13.1
|
13.8
|
14.0
|
Mawrth 2015
|
12.0
|
13.8
|
13.5
|
Ebrill 2015
|
9.4
|
10.4
|
10.3
|
Mai 2015
|
8.6
|
9.5
|
10.0
|
Mehefin 2015
|
8.3
|
10.4
|
10.5
|
Gorffennaf 2015
|
8.2
|
8.1
|
8.8
|
Awst 2015
|
7.8
|
9.0
|
9.2
|
Medi 2015
|
8.9
|
11.1
|
10.3
|
Hydref 2015
|
9.5
|
11.3
|
11.6
|
Tachwedd 2015
|
11.2
|
11.5
|
11.9
|
Rhagfyr 2015
|
11.7
|
14.2
|
14.3
|
Ionawr 2016
|
13.6
|
13.9
|
15.9
|
Chwefror 2016
|
13.1
|
15.4
|
16.2
|
Mawrth 2016
|
14.8
|
17.0
|
16.0
|
Ebrill 2016
|
12.3
|
13.2
|
14.8
|
Mai 2016
|
12.4
|
14.1
|
14.9
|
Mehefin 2016
|
11.6
|
14.6
|
13.6
|
Gorffennaf 2016
|
10.2
|
13.4
|
13.1
|
Awst 2016
|
8.2
|
10.3
|
10.4
|
Medi 2016
|
7.3
|
7.7
|
9.4
|
Hydref 2016
|
6.9
|
7.1
|
7.8
|
Tachwedd 2016
|
5.7
|
7.0
|
6.4
|
Rhagfyr 2016
|
5.0
|
5.0
|
4.8
|
Ionawr 2017
|
4.0
|
5.5
|
4.0
|
Chwefror 2017
|
4.1
|
2.8
|
2.3
|
Mawrth 2017
|
2.3
|
2.3
|
3.1
|
Ebrill 2017
|
4.1
|
4.6
|
2.9
|
Mai 2017
|
2.9
|
3.0
|
2.4
|
Mehefin 2017
|
2.6
|
0.6
|
1.6
|
Gorffennaf 2017
|
2.7
|
1.1
|
1.7
|
Awst 2017
|
3.2
|
1.8
|
2.0
|
Medi 2017
|
2.6
|
3.3
|
2.3
|
Hydref 2017
|
2.3
|
2.9
|
2.6
|
Tachwedd 2017
|
1.2
|
0.7
|
2.0
|
Rhagfyr 2017
|
1.0
|
1.4
|
1.9
|
Ionawr 2018
|
0.9
|
0.3
|
1.4
|
Chwefror 2018
|
0.2
|
1.1
|
2.0
|
Mawrth 2018
|
-0.6
|
-0.4
|
0.9
|
Ebrill 2018
|
-0.5
|
-0.0
|
2.0
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai pâr
|
Ionawr 2000
|
2.0
|
5.9
|
3.9
|
Chwefror 2000
|
1.8
|
-0.4
|
-0.0
|
Mawrth 2000
|
1.2
|
1.7
|
1.8
|
Ebrill 2000
|
4.8
|
3.3
|
3.4
|
Mai 2000
|
0.1
|
1.3
|
1.5
|
Mehefin 2000
|
1.9
|
0.4
|
1.3
|
Gorffennaf 2000
|
1.9
|
4.8
|
2.4
|
Awst 2000
|
0.7
|
-0.4
|
0.5
|
Medi 2000
|
0.0
|
0.9
|
-0.5
|
Hydref 2000
|
-1.2
|
0.0
|
0.7
|
Tachwedd 2000
|
1.4
|
-0.2
|
-1.1
|
Rhagfyr 2000
|
-0.1
|
-2.1
|
-0.1
|
Ionawr 2001
|
1.4
|
2.0
|
1.5
|
Chwefror 2001
|
0.2
|
1.0
|
1.0
|
Mawrth 2001
|
0.8
|
-1.4
|
-0.3
|
Ebrill 2001
|
1.3
|
1.6
|
0.7
|
Mai 2001
|
2.8
|
0.8
|
2.2
|
Mehefin 2001
|
1.0
|
0.6
|
0.8
|
Gorffennaf 2001
|
1.5
|
4.7
|
3.0
|
Awst 2001
|
2.2
|
1.1
|
1.1
|
Medi 2001
|
0.1
|
1.0
|
0.5
|
Hydref 2001
|
0.8
|
1.2
|
1.6
|
Tachwedd 2001
|
0.6
|
-0.5
|
0.4
|
Rhagfyr 2001
|
0.3
|
-1.7
|
-0.7
|
Ionawr 2002
|
1.3
|
3.5
|
2.6
|
Chwefror 2002
|
0.4
|
-1.4
|
-0.7
|
Mawrth 2002
|
1.3
|
1.2
|
1.3
|
Ebrill 2002
|
3.2
|
2.3
|
2.4
|
Mai 2002
|
2.6
|
2.1
|
3.1
|
Mehefin 2002
|
1.8
|
0.6
|
0.3
|
Gorffennaf 2002
|
2.8
|
5.5
|
4.2
|
Awst 2002
|
2.2
|
1.2
|
2.3
|
Medi 2002
|
0.9
|
1.2
|
1.4
|
Hydref 2002
|
1.0
|
1.4
|
1.8
|
Tachwedd 2002
|
1.7
|
1.9
|
0.8
|
Rhagfyr 2002
|
0.4
|
-1.1
|
1.4
|
Ionawr 2003
|
1.8
|
2.7
|
0.9
|
Chwefror 2003
|
-0.3
|
-1.0
|
0.8
|
Mawrth 2003
|
-0.4
|
0.1
|
-0.6
|
Ebrill 2003
|
1.2
|
0.2
|
1.2
|
Mai 2003
|
1.3
|
0.7
|
1.4
|
Mehefin 2003
|
-0.8
|
-0.3
|
-0.9
|
Gorffennaf 2003
|
2.3
|
2.1
|
2.6
|
Awst 2003
|
-0.5
|
-0.6
|
-0.6
|
Medi 2003
|
0.1
|
1.2
|
0.6
|
Hydref 2003
|
0.8
|
-0.3
|
0.5
|
Tachwedd 2003
|
0.4
|
-0.6
|
-0.0
|
Rhagfyr 2003
|
0.7
|
-1.0
|
0.2
|
Ionawr 2004
|
0.9
|
3.2
|
1.3
|
Chwefror 2004
|
0.4
|
0.2
|
0.6
|
Mawrth 2004
|
0.7
|
-0.7
|
-0.6
|
Ebrill 2004
|
2.0
|
0.8
|
2.7
|
Mai 2004
|
0.6
|
-1.2
|
0.2
|
Mehefin 2004
|
1.2
|
1.9
|
0.9
|
Gorffennaf 2004
|
1.6
|
2.1
|
2.3
|
Awst 2004
|
0.4
|
1.2
|
0.1
|
Medi 2004
|
-0.3
|
-0.3
|
-0.2
|
Hydref 2004
|
-0.8
|
-0.7
|
-0.6
|
Tachwedd 2004
|
1.0
|
0.2
|
0.5
|
Rhagfyr 2004
|
-1.9
|
-1.8
|
-1.9
|
Ionawr 2005
|
1.0
|
1.6
|
0.7
|
Chwefror 2005
|
-0.5
|
-1.2
|
-0.3
|
Mawrth 2005
|
-0.0
|
-0.6
|
-0.4
|
Ebrill 2005
|
1.8
|
0.7
|
1.6
|
Mai 2005
|
0.1
|
1.1
|
0.5
|
Mehefin 2005
|
0.1
|
-1.1
|
-0.3
|
Gorffennaf 2005
|
0.8
|
1.4
|
1.2
|
Awst 2005
|
0.0
|
0.2
|
-0.8
|
Medi 2005
|
-0.4
|
0.4
|
0.6
|
Hydref 2005
|
-1.1
|
-1.9
|
-1.4
|
Tachwedd 2005
|
1.0
|
0.6
|
0.7
|
Rhagfyr 2005
|
0.8
|
-1.5
|
-1.0
|
Ionawr 2006
|
0.6
|
3.4
|
2.2
|
Chwefror 2006
|
-0.3
|
-1.2
|
-0.6
|
Mawrth 2006
|
1.0
|
1.2
|
0.7
|
Ebrill 2006
|
1.7
|
0.3
|
1.4
|
Mai 2006
|
0.9
|
1.1
|
0.5
|
Mehefin 2006
|
1.6
|
1.2
|
1.2
|
Gorffennaf 2006
|
1.0
|
1.6
|
1.6
|
Awst 2006
|
1.1
|
1.1
|
0.9
|
Medi 2006
|
0.3
|
1.0
|
0.4
|
Hydref 2006
|
0.6
|
0.0
|
0.4
|
Tachwedd 2006
|
-0.1
|
0.4
|
0.5
|
Rhagfyr 2006
|
2.2
|
1.3
|
1.2
|
Ionawr 2007
|
1.2
|
1.1
|
1.0
|
Chwefror 2007
|
1.2
|
1.1
|
1.0
|
Mawrth 2007
|
1.0
|
1.0
|
0.9
|
Ebrill 2007
|
2.0
|
1.2
|
1.6
|
Mai 2007
|
1.4
|
0.5
|
1.0
|
Mehefin 2007
|
1.1
|
1.9
|
1.0
|
Gorffennaf 2007
|
3.4
|
4.3
|
4.0
|
Awst 2007
|
0.7
|
-0.3
|
-0.2
|
Medi 2007
|
0.3
|
1.2
|
0.4
|
Hydref 2007
|
0.1
|
0.5
|
-0.1
|
Tachwedd 2007
|
-0.3
|
0.8
|
1.0
|
Rhagfyr 2007
|
0.1
|
-1.6
|
-0.7
|
Ionawr 2008
|
0.2
|
1.9
|
0.5
|
Chwefror 2008
|
-1.0
|
-1.7
|
-0.8
|
Mawrth 2008
|
-0.7
|
-0.9
|
-0.5
|
Ebrill 2008
|
0.2
|
1.8
|
-0.0
|
Mai 2008
|
0.3
|
-1.4
|
0.4
|
Mehefin 2008
|
-1.7
|
-1.4
|
-1.7
|
Gorffennaf 2008
|
0.1
|
0.7
|
-0.4
|
Awst 2008
|
-2.9
|
-2.5
|
-2.2
|
Medi 2008
|
-1.9
|
-1.5
|
-2.7
|
Hydref 2008
|
-3.4
|
-3.3
|
-3.3
|
Tachwedd 2008
|
-3.1
|
-2.7
|
-2.3
|
Rhagfyr 2008
|
-1.8
|
-2.6
|
-1.6
|
Ionawr 2009
|
-0.3
|
1.0
|
-0.9
|
Chwefror 2009
|
-1.3
|
-4.1
|
-1.5
|
Mawrth 2009
|
-1.0
|
-0.9
|
-1.5
|
Ebrill 2009
|
-0.8
|
-0.9
|
0.0
|
Mai 2009
|
1.9
|
1.2
|
1.4
|
Mehefin 2009
|
1.4
|
1.4
|
1.2
|
Gorffennaf 2009
|
2.4
|
3.4
|
3.5
|
Awst 2009
|
0.9
|
1.5
|
1.3
|
Medi 2009
|
2.1
|
1.1
|
0.8
|
Hydref 2009
|
0.5
|
1.5
|
1.5
|
Tachwedd 2009
|
-0.7
|
-0.7
|
-1.1
|
Rhagfyr 2009
|
1.2
|
0.3
|
1.8
|
Ionawr 2010
|
3.6
|
4.5
|
3.5
|
Chwefror 2010
|
-0.4
|
-0.2
|
0.1
|
Mawrth 2010
|
0.6
|
1.6
|
0.1
|
Ebrill 2010
|
0.5
|
-0.4
|
0.6
|
Mai 2010
|
-0.1
|
0.3
|
0.0
|
Mehefin 2010
|
1.0
|
0.8
|
0.6
|
Gorffennaf 2010
|
2.9
|
4.5
|
3.4
|
Awst 2010
|
-0.7
|
-1.3
|
0.2
|
Medi 2010
|
-0.2
|
1.2
|
-0.6
|
Hydref 2010
|
-1.4
|
-2.0
|
-1.3
|
Tachwedd 2010
|
-1.3
|
-0.5
|
-0.6
|
Rhagfyr 2010
|
1.1
|
-0.1
|
0.4
|
Ionawr 2011
|
0.9
|
3.0
|
0.7
|
Chwefror 2011
|
-1.0
|
-0.9
|
-0.9
|
Mawrth 2011
|
0.6
|
0.6
|
-0.5
|
Ebrill 2011
|
2.4
|
-0.6
|
1.3
|
Mai 2011
|
-3.2
|
-3.1
|
-1.2
|
Mehefin 2011
|
0.4
|
-1.0
|
-0.4
|
Gorffennaf 2011
|
3.5
|
3.8
|
2.8
|
Awst 2011
|
-0.3
|
0.7
|
1.0
|
Medi 2011
|
0.2
|
1.4
|
-0.2
|
Hydref 2011
|
-1.0
|
-0.2
|
0.2
|
Tachwedd 2011
|
-0.4
|
-1.1
|
-1.4
|
Rhagfyr 2011
|
0.4
|
-1.0
|
0.6
|
Ionawr 2012
|
0.7
|
0.2
|
0.6
|
Chwefror 2012
|
-0.7
|
2.6
|
0.6
|
Mawrth 2012
|
-0.7
|
-4.4
|
-2.6
|
Ebrill 2012
|
3.0
|
3.2
|
2.6
|
Mai 2012
|
1.7
|
1.5
|
2.0
|
Mehefin 2012
|
0.9
|
-0.5
|
-0.0
|
Gorffennaf 2012
|
0.7
|
2.2
|
1.4
|
Awst 2012
|
0.4
|
0.4
|
0.6
|
Medi 2012
|
-0.5
|
-0.4
|
-0.9
|
Hydref 2012
|
0.6
|
0.2
|
0.6
|
Tachwedd 2012
|
-0.6
|
-0.2
|
-0.4
|
Rhagfyr 2012
|
1.7
|
0.8
|
0.6
|
Ionawr 2013
|
-0.8
|
0.2
|
0.7
|
Chwefror 2013
|
0.7
|
-0.1
|
-0.6
|
Mawrth 2013
|
-0.4
|
0.4
|
0.1
|
Ebrill 2013
|
2.8
|
0.9
|
1.2
|
Mai 2013
|
0.4
|
1.4
|
1.5
|
Mehefin 2013
|
0.7
|
-0.1
|
0.1
|
Gorffennaf 2013
|
2.6
|
2.0
|
2.1
|
Awst 2013
|
0.8
|
1.5
|
1.7
|
Medi 2013
|
1.4
|
1.1
|
-0.2
|
Hydref 2013
|
-0.1
|
0.2
|
1.0
|
Tachwedd 2013
|
1.1
|
0.3
|
0.8
|
Rhagfyr 2013
|
2.4
|
0.2
|
1.0
|
Ionawr 2014
|
1.1
|
3.1
|
2.0
|
Chwefror 2014
|
0.6
|
0.9
|
0.4
|
Mawrth 2014
|
1.0
|
-0.2
|
0.5
|
Ebrill 2014
|
3.9
|
4.8
|
4.3
|
Mai 2014
|
2.0
|
0.6
|
1.3
|
Mehefin 2014
|
1.2
|
1.0
|
1.2
|
Gorffennaf 2014
|
3.0
|
4.2
|
4.2
|
Awst 2014
|
1.5
|
1.5
|
1.4
|
Medi 2014
|
-0.3
|
-0.1
|
-0.6
|
Hydref 2014
|
-0.3
|
0.3
|
0.5
|
Tachwedd 2014
|
-0.4
|
0.3
|
0.2
|
Rhagfyr 2014
|
0.5
|
-0.5
|
-0.6
|
Ionawr 2015
|
-0.0
|
0.5
|
0.5
|
Chwefror 2015
|
0.5
|
0.7
|
0.4
|
Mawrth 2015
|
-0.0
|
-0.2
|
0.1
|
Ebrill 2015
|
1.4
|
1.7
|
1.3
|
Mai 2015
|
1.3
|
-0.2
|
1.0
|
Mehefin 2015
|
0.9
|
1.8
|
1.6
|
Gorffennaf 2015
|
2.9
|
2.0
|
2.7
|
Awst 2015
|
1.0
|
2.3
|
1.7
|
Medi 2015
|
0.8
|
1.8
|
0.4
|
Hydref 2015
|
0.2
|
0.5
|
1.6
|
Tachwedd 2015
|
1.1
|
0.5
|
0.6
|
Rhagfyr 2015
|
1.0
|
2.0
|
1.5
|
Ionawr 2016
|
1.6
|
0.2
|
1.9
|
Chwefror 2016
|
0.1
|
2.0
|
0.7
|
Mawrth 2016
|
1.5
|
1.1
|
-0.1
|
Ebrill 2016
|
-0.8
|
-1.6
|
0.3
|
Mai 2016
|
1.4
|
0.6
|
1.2
|
Mehefin 2016
|
0.1
|
2.4
|
0.4
|
Gorffennaf 2016
|
1.6
|
0.9
|
2.2
|
Awst 2016
|
-0.8
|
-0.4
|
-0.7
|
Medi 2016
|
-0.0
|
-0.6
|
-0.6
|
Hydref 2016
|
-0.2
|
-0.0
|
0.1
|
Tachwedd 2016
|
-0.0
|
0.4
|
-0.7
|
Rhagfyr 2016
|
0.3
|
0.1
|
0.0
|
Ionawr 2017
|
0.7
|
0.7
|
1.2
|
Chwefror 2017
|
0.2
|
-0.6
|
-1.0
|
Mawrth 2017
|
-0.3
|
0.7
|
0.6
|
Ebrill 2017
|
0.9
|
0.6
|
0.2
|
Mai 2017
|
0.2
|
-1.0
|
0.7
|
Mehefin 2017
|
-0.2
|
0.0
|
-0.4
|
Gorffennaf 2017
|
1.7
|
1.4
|
2.3
|
Awst 2017
|
-0.3
|
0.2
|
-0.4
|
Medi 2017
|
-0.7
|
1.0
|
-0.2
|
Hydref 2017
|
-0.4
|
-0.5
|
0.3
|
Tachwedd 2017
|
-1.1
|
-1.8
|
-1.2
|
Rhagfyr 2017
|
0.1
|
0.7
|
-0.0
|
Ionawr 2018
|
0.6
|
-0.4
|
0.6
|
Chwefror 2018
|
-0.4
|
0.3
|
-0.4
|
Mawrth 2018
|
-1.2
|
-0.9
|
-0.4
|
Ebrill 2018
|
1.0
|
1.0
|
1.2
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai pâr
|
Ionawr 2000
|
32.4
|
37.8
|
35.0
|
Chwefror 2000
|
32.9
|
37.6
|
35.0
|
Mawrth 2000
|
33.3
|
38.3
|
35.7
|
Ebrill 2000
|
34.9
|
39.5
|
36.9
|
Mai 2000
|
35.0
|
40.0
|
37.5
|
Mehefin 2000
|
35.6
|
40.2
|
37.9
|
Gorffennaf 2000
|
36.3
|
42.1
|
38.9
|
Awst 2000
|
36.6
|
42.0
|
39.0
|
Medi 2000
|
36.6
|
42.3
|
38.8
|
Hydref 2000
|
36.2
|
42.3
|
39.1
|
Tachwedd 2000
|
36.7
|
42.3
|
38.7
|
Rhagfyr 2000
|
36.6
|
41.4
|
38.7
|
Ionawr 2001
|
37.1
|
42.2
|
39.3
|
Chwefror 2001
|
37.2
|
42.6
|
39.7
|
Mawrth 2001
|
37.5
|
42.0
|
39.5
|
Ebrill 2001
|
38.0
|
42.7
|
39.8
|
Mai 2001
|
39.0
|
43.1
|
40.7
|
Mehefin 2001
|
39.4
|
43.3
|
41.1
|
Gorffennaf 2001
|
40.0
|
45.3
|
42.3
|
Awst 2001
|
40.9
|
45.8
|
42.8
|
Medi 2001
|
40.9
|
46.3
|
43.0
|
Hydref 2001
|
41.2
|
46.9
|
43.6
|
Tachwedd 2001
|
41.5
|
46.6
|
43.8
|
Rhagfyr 2001
|
41.6
|
45.8
|
43.5
|
Ionawr 2002
|
42.2
|
47.4
|
44.6
|
Chwefror 2002
|
42.3
|
46.7
|
44.4
|
Mawrth 2002
|
42.9
|
47.3
|
44.9
|
Ebrill 2002
|
44.2
|
48.4
|
46.0
|
Mai 2002
|
45.4
|
49.4
|
47.4
|
Mehefin 2002
|
46.2
|
49.7
|
47.6
|
Gorffennaf 2002
|
47.4
|
52.4
|
49.6
|
Awst 2002
|
48.5
|
53.1
|
50.7
|
Medi 2002
|
48.9
|
53.7
|
51.4
|
Hydref 2002
|
49.4
|
54.4
|
52.3
|
Tachwedd 2002
|
50.3
|
55.5
|
52.7
|
Rhagfyr 2002
|
50.5
|
54.9
|
53.5
|
Ionawr 2003
|
51.4
|
56.4
|
54.0
|
Chwefror 2003
|
51.2
|
55.8
|
54.4
|
Mawrth 2003
|
51.0
|
55.9
|
54.0
|
Ebrill 2003
|
51.6
|
55.9
|
54.7
|
Mai 2003
|
52.3
|
56.4
|
55.4
|
Mehefin 2003
|
51.9
|
56.2
|
54.9
|
Gorffennaf 2003
|
53.1
|
57.4
|
56.4
|
Awst 2003
|
52.8
|
57.0
|
56.0
|
Medi 2003
|
52.8
|
57.7
|
56.4
|
Hydref 2003
|
53.3
|
57.5
|
56.7
|
Tachwedd 2003
|
53.5
|
57.2
|
56.6
|
Rhagfyr 2003
|
53.9
|
56.6
|
56.8
|
Ionawr 2004
|
54.3
|
58.4
|
57.5
|
Chwefror 2004
|
54.6
|
58.5
|
57.9
|
Mawrth 2004
|
54.9
|
58.1
|
57.5
|
Ebrill 2004
|
56.1
|
58.6
|
59.0
|
Mai 2004
|
56.4
|
57.9
|
59.2
|
Mehefin 2004
|
57.1
|
59.0
|
59.7
|
Gorffennaf 2004
|
58.1
|
60.2
|
61.1
|
Awst 2004
|
58.3
|
60.9
|
61.2
|
Medi 2004
|
58.1
|
60.7
|
61.1
|
Hydref 2004
|
57.7
|
60.3
|
60.7
|
Tachwedd 2004
|
58.3
|
60.4
|
61.0
|
Rhagfyr 2004
|
57.1
|
59.4
|
59.8
|
Ionawr 2005
|
57.7
|
60.3
|
60.3
|
Chwefror 2005
|
57.4
|
59.6
|
60.1
|
Mawrth 2005
|
57.4
|
59.2
|
59.8
|
Ebrill 2005
|
58.4
|
59.6
|
60.8
|
Mai 2005
|
58.5
|
60.2
|
61.1
|
Mehefin 2005
|
58.6
|
59.6
|
60.9
|
Gorffennaf 2005
|
59.0
|
60.4
|
61.6
|
Awst 2005
|
59.1
|
60.5
|
61.2
|
Medi 2005
|
58.8
|
60.8
|
61.5
|
Hydref 2005
|
58.2
|
59.6
|
60.6
|
Tachwedd 2005
|
58.7
|
59.9
|
61.1
|
Rhagfyr 2005
|
59.2
|
59.0
|
60.5
|
Ionawr 2006
|
59.5
|
61.1
|
61.8
|
Chwefror 2006
|
59.4
|
60.3
|
61.4
|
Mawrth 2006
|
59.9
|
61.1
|
61.9
|
Ebrill 2006
|
60.9
|
61.3
|
62.8
|
Mai 2006
|
61.5
|
61.9
|
63.1
|
Mehefin 2006
|
62.4
|
62.7
|
63.8
|
Gorffennaf 2006
|
63.0
|
63.6
|
64.9
|
Awst 2006
|
63.7
|
64.4
|
65.5
|
Medi 2006
|
63.9
|
65.0
|
65.7
|
Hydref 2006
|
64.3
|
65.0
|
66.0
|
Tachwedd 2006
|
64.2
|
65.2
|
66.2
|
Rhagfyr 2006
|
65.7
|
66.1
|
67.1
|
Ionawr 2007
|
66.4
|
66.8
|
67.7
|
Chwefror 2007
|
67.2
|
67.5
|
68.4
|
Mawrth 2007
|
67.9
|
68.1
|
69.0
|
Ebrill 2007
|
69.2
|
69.0
|
70.1
|
Mai 2007
|
70.2
|
69.3
|
70.8
|
Mehefin 2007
|
71.0
|
70.6
|
71.5
|
Gorffennaf 2007
|
73.4
|
73.7
|
74.4
|
Awst 2007
|
73.9
|
73.5
|
74.2
|
Medi 2007
|
74.1
|
74.4
|
74.5
|
Hydref 2007
|
74.1
|
74.8
|
74.5
|
Tachwedd 2007
|
73.9
|
75.4
|
75.2
|
Rhagfyr 2007
|
74.0
|
74.2
|
74.7
|
Ionawr 2008
|
74.1
|
75.6
|
75.0
|
Chwefror 2008
|
73.4
|
74.4
|
74.4
|
Mawrth 2008
|
72.9
|
73.7
|
74.1
|
Ebrill 2008
|
73.1
|
75.0
|
74.1
|
Mai 2008
|
73.3
|
74.0
|
74.3
|
Mehefin 2008
|
72.0
|
73.0
|
73.1
|
Gorffennaf 2008
|
72.0
|
73.5
|
72.8
|
Awst 2008
|
69.9
|
71.6
|
71.2
|
Medi 2008
|
68.6
|
70.5
|
69.3
|
Hydref 2008
|
66.3
|
68.2
|
67.0
|
Tachwedd 2008
|
64.2
|
66.3
|
65.4
|
Rhagfyr 2008
|
63.0
|
64.6
|
64.4
|
Ionawr 2009
|
62.8
|
65.2
|
63.8
|
Chwefror 2009
|
62.0
|
62.6
|
62.8
|
Mawrth 2009
|
61.4
|
62.0
|
61.8
|
Ebrill 2009
|
60.9
|
61.4
|
61.8
|
Mai 2009
|
62.1
|
62.2
|
62.7
|
Mehefin 2009
|
63.0
|
63.0
|
63.5
|
Gorffennaf 2009
|
64.5
|
65.2
|
65.7
|
Awst 2009
|
65.1
|
66.2
|
66.6
|
Medi 2009
|
66.4
|
66.9
|
67.1
|
Hydref 2009
|
66.7
|
67.9
|
68.2
|
Tachwedd 2009
|
66.2
|
67.4
|
67.4
|
Rhagfyr 2009
|
67.0
|
67.6
|
68.6
|
Ionawr 2010
|
69.4
|
70.7
|
71.0
|
Chwefror 2010
|
69.2
|
70.5
|
71.1
|
Mawrth 2010
|
69.6
|
71.7
|
71.2
|
Ebrill 2010
|
70.0
|
71.4
|
71.6
|
Mai 2010
|
69.9
|
71.6
|
71.6
|
Mehefin 2010
|
70.6
|
72.1
|
72.0
|
Gorffennaf 2010
|
72.7
|
75.4
|
74.5
|
Awst 2010
|
72.2
|
74.3
|
74.7
|
Medi 2010
|
72.0
|
75.2
|
74.2
|
Hydref 2010
|
71.0
|
73.8
|
73.2
|
Tachwedd 2010
|
70.1
|
73.4
|
72.8
|
Rhagfyr 2010
|
70.8
|
73.3
|
73.0
|
Ionawr 2011
|
71.5
|
75.5
|
73.6
|
Chwefror 2011
|
70.8
|
74.8
|
72.9
|
Mawrth 2011
|
71.3
|
75.3
|
72.5
|
Ebrill 2011
|
73.0
|
74.9
|
73.5
|
Mai 2011
|
70.7
|
72.6
|
72.6
|
Mehefin 2011
|
71.0
|
71.9
|
72.2
|
Gorffennaf 2011
|
73.4
|
74.7
|
74.3
|
Awst 2011
|
73.2
|
75.2
|
75.0
|
Medi 2011
|
73.3
|
76.2
|
74.9
|
Hydref 2011
|
72.6
|
76.1
|
75.0
|
Tachwedd 2011
|
72.2
|
75.2
|
74.0
|
Rhagfyr 2011
|
72.6
|
74.5
|
74.4
|
Ionawr 2012
|
73.1
|
74.6
|
74.8
|
Chwefror 2012
|
72.6
|
76.6
|
75.2
|
Mawrth 2012
|
72.1
|
73.2
|
73.2
|
Ebrill 2012
|
74.2
|
75.6
|
75.2
|
Mai 2012
|
75.5
|
76.7
|
76.7
|
Mehefin 2012
|
76.2
|
76.4
|
76.6
|
Gorffennaf 2012
|
76.7
|
78.0
|
77.7
|
Awst 2012
|
77.0
|
78.3
|
78.2
|
Medi 2012
|
76.6
|
78.0
|
77.5
|
Hydref 2012
|
77.0
|
78.1
|
77.9
|
Tachwedd 2012
|
76.6
|
78.0
|
77.7
|
Rhagfyr 2012
|
77.9
|
78.6
|
78.1
|
Ionawr 2013
|
77.3
|
78.7
|
78.7
|
Chwefror 2013
|
77.8
|
78.7
|
78.3
|
Mawrth 2013
|
77.5
|
79.0
|
78.4
|
Ebrill 2013
|
79.7
|
79.7
|
79.3
|
Mai 2013
|
80.0
|
80.8
|
80.5
|
Mehefin 2013
|
80.6
|
80.8
|
80.6
|
Gorffennaf 2013
|
82.7
|
82.3
|
82.3
|
Awst 2013
|
83.3
|
83.5
|
83.7
|
Medi 2013
|
84.5
|
84.5
|
83.5
|
Hydref 2013
|
84.4
|
84.6
|
84.4
|
Tachwedd 2013
|
85.3
|
84.9
|
85.1
|
Rhagfyr 2013
|
87.4
|
85.1
|
86.0
|
Ionawr 2014
|
88.3
|
87.7
|
87.7
|
Chwefror 2014
|
88.8
|
88.5
|
88.1
|
Mawrth 2014
|
89.7
|
88.3
|
88.5
|
Ebrill 2014
|
93.2
|
92.6
|
92.3
|
Mai 2014
|
95.0
|
93.1
|
93.5
|
Mehefin 2014
|
96.1
|
94.0
|
94.6
|
Gorffennaf 2014
|
99.0
|
98.0
|
98.6
|
Awst 2014
|
100.5
|
99.4
|
99.9
|
Medi 2014
|
100.2
|
99.4
|
99.3
|
Hydref 2014
|
99.9
|
99.7
|
99.8
|
Tachwedd 2014
|
99.5
|
100.0
|
100.0
|
Rhagfyr 2014
|
100.0
|
99.5
|
99.5
|
Ionawr 2015
|
100.0
|
100.0
|
100.0
|
Chwefror 2015
|
100.5
|
100.7
|
100.4
|
Mawrth 2015
|
100.5
|
100.4
|
100.5
|
Ebrill 2015
|
101.9
|
102.2
|
101.8
|
Mai 2015
|
103.2
|
102.0
|
102.9
|
Mehefin 2015
|
104.1
|
103.8
|
104.5
|
Gorffennaf 2015
|
107.2
|
106.0
|
107.3
|
Awst 2015
|
108.3
|
108.4
|
109.1
|
Medi 2015
|
109.2
|
110.4
|
109.6
|
Hydref 2015
|
109.3
|
110.9
|
111.3
|
Tachwedd 2015
|
110.6
|
111.5
|
112.0
|
Rhagfyr 2015
|
111.7
|
113.6
|
113.7
|
Ionawr 2016
|
113.6
|
113.9
|
115.9
|
Chwefror 2016
|
113.6
|
116.2
|
116.6
|
Mawrth 2016
|
115.3
|
117.5
|
116.5
|
Ebrill 2016
|
114.4
|
115.6
|
116.9
|
Mai 2016
|
116.0
|
116.3
|
118.2
|
Mehefin 2016
|
116.2
|
119.0
|
118.7
|
Gorffennaf 2016
|
118.0
|
120.1
|
121.4
|
Awst 2016
|
117.2
|
119.6
|
120.5
|
Medi 2016
|
117.1
|
118.9
|
119.8
|
Hydref 2016
|
116.9
|
118.8
|
119.9
|
Tachwedd 2016
|
116.9
|
119.2
|
119.1
|
Rhagfyr 2016
|
117.3
|
119.3
|
119.2
|
Ionawr 2017
|
118.1
|
120.2
|
120.6
|
Chwefror 2017
|
118.3
|
119.4
|
119.4
|
Mawrth 2017
|
118.0
|
120.2
|
120.1
|
Ebrill 2017
|
119.1
|
120.9
|
120.3
|
Mai 2017
|
119.4
|
119.8
|
121.1
|
Mehefin 2017
|
119.2
|
119.8
|
120.6
|
Gorffennaf 2017
|
121.3
|
121.5
|
123.4
|
Awst 2017
|
120.9
|
121.7
|
122.9
|
Medi 2017
|
120.1
|
122.8
|
122.6
|
Hydref 2017
|
119.6
|
122.2
|
123.0
|
Tachwedd 2017
|
118.2
|
120.1
|
121.5
|
Rhagfyr 2017
|
118.4
|
120.9
|
121.5
|
Ionawr 2018
|
119.1
|
120.5
|
122.2
|
Chwefror 2018
|
118.6
|
120.8
|
121.7
|
Mawrth 2018
|
117.2
|
119.7
|
121.2
|
Ebrill 2018
|
118.5
|
120.9
|
122.7
|
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
|
Cyn berchen-feddianwyr
|
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
|
333552.0
|
Chwefror 2012
|
332942.0
|
Mawrth 2012
|
328100.0
|
Ebrill 2012
|
338757.0
|
Mai 2012
|
343849.0
|
Mehefin 2012
|
347552.0
|
Gorffennaf 2012
|
350051.0
|
Awst 2012
|
351708.0
|
Medi 2012
|
349334.0
|
Hydref 2012
|
351412.0
|
Tachwedd 2012
|
349801.0
|
Rhagfyr 2012
|
355195.0
|
Ionawr 2013
|
353208.0
|
Chwefror 2013
|
354626.0
|
Mawrth 2013
|
353788.0
|
Ebrill 2013
|
362859.0
|
Mai 2013
|
364819.0
|
Mehefin 2013
|
367284.0
|
Gorffennaf 2013
|
377004.0
|
Awst 2013
|
380438.0
|
Medi 2013
|
384559.0
|
Hydref 2013
|
384574.0
|
Tachwedd 2013
|
388798.0
|
Rhagfyr 2013
|
396519.0
|
Ionawr 2014
|
401746.0
|
Chwefror 2014
|
403681.0
|
Mawrth 2014
|
407379.0
|
Ebrill 2014
|
423645.0
|
Mai 2014
|
431341.0
|
Mehefin 2014
|
436610.0
|
Gorffennaf 2014
|
450479.0
|
Awst 2014
|
457036.0
|
Medi 2014
|
455192.0
|
Hydref 2014
|
454193.0
|
Tachwedd 2014
|
452486.0
|
Rhagfyr 2014
|
454133.0
|
Ionawr 2015
|
454634.0
|
Chwefror 2015
|
457079.0
|
Mawrth 2015
|
456610.0
|
Ebrill 2015
|
463282.0
|
Mai 2015
|
468484.0
|
Mehefin 2015
|
473449.0
|
Gorffennaf 2015
|
486503.0
|
Awst 2015
|
492001.0
|
Medi 2015
|
496408.0
|
Hydref 2015
|
497422.0
|
Tachwedd 2015
|
502963.0
|
Rhagfyr 2015
|
507694.0
|
Ionawr 2016
|
516461.0
|
Chwefror 2016
|
516280.0
|
Mawrth 2016
|
523800.0
|
Ebrill 2016
|
519336.0
|
Mai 2016
|
525733.0
|
Mehefin 2016
|
527124.0
|
Gorffennaf 2016
|
535932.0
|
Awst 2016
|
531067.0
|
Medi 2016
|
531542.0
|
Hydref 2016
|
530019.0
|
Tachwedd 2016
|
530429.0
|
Rhagfyr 2016
|
531806.0
|
Ionawr 2017
|
535984.0
|
Chwefror 2017
|
535529.0
|
Mawrth 2017
|
534948.0
|
Ebrill 2017
|
540184.0
|
Mai 2017
|
539487.0
|
Mehefin 2017
|
538980.0
|
Gorffennaf 2017
|
548981.0
|
Awst 2017
|
548396.0
|
Medi 2017
|
544524.0
|
Hydref 2017
|
543586.0
|
Tachwedd 2017
|
536282.0
|
Rhagfyr 2017
|
536753.0
|
Ionawr 2018
|
540413.0
|
Chwefror 2018
|
536582.0
|
Mawrth 2018
|
531876.0
|
Ebrill 2018
|
537766.0
|
Dyddiad
|
Cyn berchen-feddianwyr
|
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
|
5.9
|
Chwefror 2013
|
6.5
|
Mawrth 2013
|
7.8
|
Ebrill 2013
|
7.1
|
Mai 2013
|
6.1
|
Mehefin 2013
|
5.7
|
Gorffennaf 2013
|
7.7
|
Awst 2013
|
8.2
|
Medi 2013
|
10.1
|
Hydref 2013
|
9.4
|
Tachwedd 2013
|
11.2
|
Rhagfyr 2013
|
11.6
|
Ionawr 2014
|
13.7
|
Chwefror 2014
|
13.8
|
Mawrth 2014
|
15.2
|
Ebrill 2014
|
16.8
|
Mai 2014
|
18.2
|
Mehefin 2014
|
18.9
|
Gorffennaf 2014
|
19.5
|
Awst 2014
|
20.1
|
Medi 2014
|
18.4
|
Hydref 2014
|
18.1
|
Tachwedd 2014
|
16.4
|
Rhagfyr 2014
|
14.5
|
Ionawr 2015
|
13.2
|
Chwefror 2015
|
13.2
|
Mawrth 2015
|
12.1
|
Ebrill 2015
|
9.4
|
Mai 2015
|
8.6
|
Mehefin 2015
|
8.4
|
Gorffennaf 2015
|
8.0
|
Awst 2015
|
7.6
|
Medi 2015
|
9.0
|
Hydref 2015
|
9.5
|
Tachwedd 2015
|
11.2
|
Rhagfyr 2015
|
11.8
|
Ionawr 2016
|
13.6
|
Chwefror 2016
|
13.0
|
Mawrth 2016
|
14.7
|
Ebrill 2016
|
12.1
|
Mai 2016
|
12.2
|
Mehefin 2016
|
11.3
|
Gorffennaf 2016
|
10.2
|
Awst 2016
|
7.9
|
Medi 2016
|
7.1
|
Hydref 2016
|
6.6
|
Tachwedd 2016
|
5.5
|
Rhagfyr 2016
|
4.8
|
Ionawr 2017
|
3.8
|
Chwefror 2017
|
3.7
|
Mawrth 2017
|
2.1
|
Ebrill 2017
|
4.0
|
Mai 2017
|
2.6
|
Mehefin 2017
|
2.2
|
Gorffennaf 2017
|
2.4
|
Awst 2017
|
3.3
|
Medi 2017
|
2.4
|
Hydref 2017
|
2.6
|
Tachwedd 2017
|
1.1
|
Rhagfyr 2017
|
0.9
|
Ionawr 2018
|
0.8
|
Chwefror 2018
|
0.2
|
Mawrth 2018
|
-0.6
|
Ebrill 2018
|
-0.4
|
Dyddiad
|
Cyn berchen-feddianwyr
|
Ionawr 2000
|
|
Chwefror 2000
|
|
Mawrth 2000
|
|
Ebrill 2000
|
|
Mai 2000
|
|
Mehefin 2000
|
|
Gorffennaf 2000
|
|
Awst 2000
|
|
Medi 2000
|
|
Hydref 2000
|
|
Tachwedd 2000
|
|
Rhagfyr 2000
|
|
Ionawr 2001
|
|
Chwefror 2001
|
|
Mawrth 2001
|
|
Ebrill 2001
|
|
Mai 2001
|
|
Mehefin 2001
|
|
Gorffennaf 2001
|
|
Awst 2001
|
|
Medi 2001
|
|
Hydref 2001
|
|
Tachwedd 2001
|
|
Rhagfyr 2001
|
|
Ionawr 2002
|
|
Chwefror 2002
|
|
Mawrth 2002
|
|
Ebrill 2002
|
|
Mai 2002
|
|
Mehefin 2002
|
|
Gorffennaf 2002
|
|
Awst 2002
|
|
Medi 2002
|
|
Hydref 2002
|
|
Tachwedd 2002
|
|
Rhagfyr 2002
|
|
Ionawr 2003
|
|
Chwefror 2003
|
|
Mawrth 2003
|
|
Ebrill 2003
|
|
Mai 2003
|
|
Mehefin 2003
|
|
Gorffennaf 2003
|
|
Awst 2003
|
|
Medi 2003
|
|
Hydref 2003
|
|
Tachwedd 2003
|
|
Rhagfyr 2003
|
|
Ionawr 2004
|
|
Chwefror 2004
|
|
Mawrth 2004
|
|
Ebrill 2004
|
|
Mai 2004
|
|
Mehefin 2004
|
|
Gorffennaf 2004
|
|
Awst 2004
|
|
Medi 2004
|
|
Hydref 2004
|
|
Tachwedd 2004
|
|
Rhagfyr 2004
|
|
Ionawr 2005
|
|
Chwefror 2005
|
|
Mawrth 2005
|
|
Ebrill 2005
|
|
Mai 2005
|
|
Mehefin 2005
|
|
Gorffennaf 2005
|
|
Awst 2005
|
|
Medi 2005
|
|
Hydref 2005
|
|
Tachwedd 2005
|
|
Rhagfyr 2005
|
|
Ionawr 2006
|
|
Chwefror 2006
|
|
Mawrth 2006
|
|
Ebrill 2006
|
|
Mai 2006
|
|
Mehefin 2006
|
|
Gorffennaf 2006
|
|
Awst 2006
|
|
Medi 2006
|
|
Hydref 2006
|
|
Tachwedd 2006
|
|
Rhagfyr 2006
|
|
Ionawr 2007
|
|
Chwefror 2007
|
|
Mawrth 2007
|
|
Ebrill 2007
|
|
Mai 2007
|
|
Mehefin 2007
|
|
Gorffennaf 2007
|
|
Awst 2007
|
|
Medi 2007
|
|
Hydref 2007
|
|
Tachwedd 2007
|
|
Rhagfyr 2007
|
|
Ionawr 2008
|
|
Chwefror 2008
|
|
Mawrth 2008
|
|
Ebrill 2008
|
|
Mai 2008
|
|
Mehefin 2008
|
|
Gorffennaf 2008
|
|
Awst 2008
|
|
Medi 2008
|
|
Hydref 2008
|
|
Tachwedd 2008
|
|
Rhagfyr 2008
|
|
Ionawr 2009
|
|
Chwefror 2009
|
|
Mawrth 2009
|
|
Ebrill 2009
|
|
Mai 2009
|
|
Mehefin 2009
|
|
Gorffennaf 2009
|
|
Awst 2009
|
|
Medi 2009
|
|
Hydref 2009
|
|
Tachwedd 2009
|
|
Rhagfyr 2009
|
|
Ionawr 2010
|
|
Chwefror 2010
|
|
Mawrth 2010
|
|
Ebrill 2010
|
|
Mai 2010
|
|
Mehefin 2010
|
|
Gorffennaf 2010
|
|
Awst 2010
|
|
Medi 2010
|
|
Hydref 2010
|
|
Tachwedd 2010
|
|
Rhagfyr 2010
|
|
Ionawr 2011
|
|
Chwefror 2011
|
|
Mawrth 2011
|
|
Ebrill 2011
|
|
Mai 2011
|
|
Mehefin 2011
|
|
Gorffennaf 2011
|
|
Awst 2011
|
|
Medi 2011
|
|
Hydref 2011
|
|
Tachwedd 2011
|
|
Rhagfyr 2011
|
|
Ionawr 2012
|
|
Chwefror 2012
|
-0.2
|
Mawrth 2012
|
-1.4
|
Ebrill 2012
|
3.2
|
Mai 2012
|
1.5
|
Mehefin 2012
|
1.1
|
Gorffennaf 2012
|
0.7
|
Awst 2012
|
0.5
|
Medi 2012
|
-0.7
|
Hydref 2012
|
0.6
|
Tachwedd 2012
|
-0.5
|
Rhagfyr 2012
|
1.5
|
Ionawr 2013
|
-0.6
|
Chwefror 2013
|
0.4
|
Mawrth 2013
|
-0.2
|
Ebrill 2013
|
2.6
|
Mai 2013
|
0.5
|
Mehefin 2013
|
0.7
|
Gorffennaf 2013
|
2.6
|
Awst 2013
|
0.9
|
Medi 2013
|
1.1
|
Hydref 2013
|
0.0
|
Tachwedd 2013
|
1.1
|
Rhagfyr 2013
|
2.0
|
Ionawr 2014
|
1.3
|
Chwefror 2014
|
0.5
|
Mawrth 2014
|
0.9
|
Ebrill 2014
|
4.0
|
Mai 2014
|
1.8
|
Mehefin 2014
|
1.2
|
Gorffennaf 2014
|
3.2
|
Awst 2014
|
1.5
|
Medi 2014
|
-0.4
|
Hydref 2014
|
-0.2
|
Tachwedd 2014
|
-0.4
|
Rhagfyr 2014
|
0.4
|
Ionawr 2015
|
0.1
|
Chwefror 2015
|
0.5
|
Mawrth 2015
|
-0.1
|
Ebrill 2015
|
1.5
|
Mai 2015
|
1.1
|
Mehefin 2015
|
1.1
|
Gorffennaf 2015
|
2.8
|
Awst 2015
|
1.1
|
Medi 2015
|
0.9
|
Hydref 2015
|
0.2
|
Tachwedd 2015
|
1.1
|
Rhagfyr 2015
|
0.9
|
Ionawr 2016
|
1.7
|
Chwefror 2016
|
-0.0
|
Mawrth 2016
|
1.5
|
Ebrill 2016
|
-0.8
|
Mai 2016
|
1.2
|
Mehefin 2016
|
0.3
|
Gorffennaf 2016
|
1.7
|
Awst 2016
|
-0.9
|
Medi 2016
|
0.1
|
Hydref 2016
|
-0.3
|
Tachwedd 2016
|
0.1
|
Rhagfyr 2016
|
0.3
|
Ionawr 2017
|
0.8
|
Chwefror 2017
|
-0.1
|
Mawrth 2017
|
-0.1
|
Ebrill 2017
|
1.0
|
Mai 2017
|
-0.1
|
Mehefin 2017
|
-0.1
|
Gorffennaf 2017
|
1.9
|
Awst 2017
|
-0.1
|
Medi 2017
|
-0.7
|
Hydref 2017
|
-0.2
|
Tachwedd 2017
|
-1.3
|
Rhagfyr 2017
|
0.1
|
Ionawr 2018
|
0.7
|
Chwefror 2018
|
-0.7
|
Mawrth 2018
|
-0.9
|
Ebrill 2018
|
1.1
|
Dyddiad
|
Cyn berchen-feddianwyr
|
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
|
73.4
|
Chwefror 2012
|
73.2
|
Mawrth 2012
|
72.2
|
Ebrill 2012
|
74.5
|
Mai 2012
|
75.6
|
Mehefin 2012
|
76.4
|
Gorffennaf 2012
|
77.0
|
Awst 2012
|
77.4
|
Medi 2012
|
76.8
|
Hydref 2012
|
77.3
|
Tachwedd 2012
|
76.9
|
Rhagfyr 2012
|
78.1
|
Ionawr 2013
|
77.7
|
Chwefror 2013
|
78.0
|
Mawrth 2013
|
77.8
|
Ebrill 2013
|
79.8
|
Mai 2013
|
80.2
|
Mehefin 2013
|
80.8
|
Gorffennaf 2013
|
82.9
|
Awst 2013
|
83.7
|
Medi 2013
|
84.6
|
Hydref 2013
|
84.6
|
Tachwedd 2013
|
85.5
|
Rhagfyr 2013
|
87.2
|
Ionawr 2014
|
88.4
|
Chwefror 2014
|
88.8
|
Mawrth 2014
|
89.6
|
Ebrill 2014
|
93.2
|
Mai 2014
|
94.9
|
Mehefin 2014
|
96.0
|
Gorffennaf 2014
|
99.1
|
Awst 2014
|
100.5
|
Medi 2014
|
100.1
|
Hydref 2014
|
99.9
|
Tachwedd 2014
|
99.5
|
Rhagfyr 2014
|
99.9
|
Ionawr 2015
|
100.0
|
Chwefror 2015
|
100.5
|
Mawrth 2015
|
100.4
|
Ebrill 2015
|
101.9
|
Mai 2015
|
103.0
|
Mehefin 2015
|
104.1
|
Gorffennaf 2015
|
107.0
|
Awst 2015
|
108.2
|
Medi 2015
|
109.2
|
Hydref 2015
|
109.4
|
Tachwedd 2015
|
110.6
|
Rhagfyr 2015
|
111.7
|
Ionawr 2016
|
113.6
|
Chwefror 2016
|
113.6
|
Mawrth 2016
|
115.2
|
Ebrill 2016
|
114.2
|
Mai 2016
|
115.6
|
Mehefin 2016
|
115.9
|
Gorffennaf 2016
|
117.9
|
Awst 2016
|
116.8
|
Medi 2016
|
116.9
|
Hydref 2016
|
116.6
|
Tachwedd 2016
|
116.7
|
Rhagfyr 2016
|
117.0
|
Ionawr 2017
|
117.9
|
Chwefror 2017
|
117.8
|
Mawrth 2017
|
117.7
|
Ebrill 2017
|
118.8
|
Mai 2017
|
118.7
|
Mehefin 2017
|
118.6
|
Gorffennaf 2017
|
120.8
|
Awst 2017
|
120.6
|
Medi 2017
|
119.8
|
Hydref 2017
|
119.6
|
Tachwedd 2017
|
118.0
|
Rhagfyr 2017
|
118.1
|
Ionawr 2018
|
118.9
|
Chwefror 2018
|
118.0
|
Mawrth 2018
|
117.0
|
Ebrill 2018
|
118.3
|
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
|
Ionawr 2000
|
Chwefror 2000
|
Mawrth 2000
|
Ebrill 2000
|
Mai 2000
|
Mehefin 2000
|
Gorffennaf 2000
|
Awst 2000
|
Medi 2000
|
Hydref 2000
|
Tachwedd 2000
|
Rhagfyr 2000
|
Ionawr 2001
|
Chwefror 2001
|
Mawrth 2001
|
Ebrill 2001
|
Mai 2001
|
Mehefin 2001
|
Gorffennaf 2001
|
Awst 2001
|
Medi 2001
|
Hydref 2001
|
Tachwedd 2001
|
Rhagfyr 2001
|
Ionawr 2002
|
Chwefror 2002
|
Mawrth 2002
|
Ebrill 2002
|
Mai 2002
|
Mehefin 2002
|
Gorffennaf 2002
|
Awst 2002
|
Medi 2002
|
Hydref 2002
|
Tachwedd 2002
|
Rhagfyr 2002
|
Ionawr 2003
|
Chwefror 2003
|
Mawrth 2003
|
Ebrill 2003
|
Mai 2003
|
Mehefin 2003
|
Gorffennaf 2003
|
Awst 2003
|
Medi 2003
|
Hydref 2003
|
Tachwedd 2003
|
Rhagfyr 2003
|
Ionawr 2004
|
Chwefror 2004
|
Mawrth 2004
|
Ebrill 2004
|
Mai 2004
|
Mehefin 2004
|
Gorffennaf 2004
|
Awst 2004
|
Medi 2004
|
Hydref 2004
|
Tachwedd 2004
|
Rhagfyr 2004
|
Ionawr 2005
|
Chwefror 2005
|
Mawrth 2005
|
Ebrill 2005
|
Mai 2005
|
Mehefin 2005
|
Gorffennaf 2005
|
Awst 2005
|
Medi 2005
|
Hydref 2005
|
Tachwedd 2005
|
Rhagfyr 2005
|
Ionawr 2006
|
Chwefror 2006
|
Mawrth 2006
|
Ebrill 2006
|
Mai 2006
|
Mehefin 2006
|
Gorffennaf 2006
|
Awst 2006
|
Medi 2006
|
Hydref 2006
|
Tachwedd 2006
|
Rhagfyr 2006
|
Ionawr 2007
|
Chwefror 2007
|
Mawrth 2007
|
Ebrill 2007
|
Mai 2007
|
Mehefin 2007
|
Gorffennaf 2007
|
Awst 2007
|
Medi 2007
|
Hydref 2007
|
Tachwedd 2007
|
Rhagfyr 2007
|
Ionawr 2008
|
Chwefror 2008
|
Mawrth 2008
|
Ebrill 2008
|
Mai 2008
|
Mehefin 2008
|
Gorffennaf 2008
|
Awst 2008
|
Medi 2008
|
Hydref 2008
|
Tachwedd 2008
|
Rhagfyr 2008
|
Ionawr 2009
|
Chwefror 2009
|
Mawrth 2009
|
Ebrill 2009
|
Mai 2009
|
Mehefin 2009
|
Gorffennaf 2009
|
Awst 2009
|
Medi 2009
|
Hydref 2009
|
Tachwedd 2009
|
Rhagfyr 2009
|
Ionawr 2010
|
Chwefror 2010
|
Mawrth 2010
|
Ebrill 2010
|
Mai 2010
|
Mehefin 2010
|
Gorffennaf 2010
|
Awst 2010
|
Medi 2010
|
Hydref 2010
|
Tachwedd 2010
|
Rhagfyr 2010
|
Ionawr 2011
|
Chwefror 2011
|
Mawrth 2011
|
Ebrill 2011
|
Mai 2011
|
Mehefin 2011
|
Gorffennaf 2011
|
Awst 2011
|
Medi 2011
|
Hydref 2011
|
Tachwedd 2011
|
Rhagfyr 2011
|
Ionawr 2012
|
Chwefror 2012
|
Mawrth 2012
|
Ebrill 2012
|
Mai 2012
|
Mehefin 2012
|
Gorffennaf 2012
|
Awst 2012
|
Medi 2012
|
Hydref 2012
|
Tachwedd 2012
|
Rhagfyr 2012
|
Ionawr 2013
|
Chwefror 2013
|
Mawrth 2013
|
Ebrill 2013
|
Mai 2013
|
Mehefin 2013
|
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
|
Dyddiad
|
Ionawr 2000
|
Chwefror 2000
|
Mawrth 2000
|
Ebrill 2000
|
Mai 2000
|
Mehefin 2000
|
Gorffennaf 2000
|
Awst 2000
|
Medi 2000
|
Hydref 2000
|
Tachwedd 2000
|
Rhagfyr 2000
|
Ionawr 2001
|
Chwefror 2001
|
Mawrth 2001
|
Ebrill 2001
|
Mai 2001
|
Mehefin 2001
|
Gorffennaf 2001
|
Awst 2001
|
Medi 2001
|
Hydref 2001
|
Tachwedd 2001
|
Rhagfyr 2001
|
Ionawr 2002
|
Chwefror 2002
|
Mawrth 2002
|
Ebrill 2002
|
Mai 2002
|
Mehefin 2002
|
Gorffennaf 2002
|
Awst 2002
|
Medi 2002
|
Hydref 2002
|
Tachwedd 2002
|
Rhagfyr 2002
|
Ionawr 2003
|
Chwefror 2003
|
Mawrth 2003
|
Ebrill 2003
|
Mai 2003
|
Mehefin 2003
|
Gorffennaf 2003
|
Awst 2003
|
Medi 2003
|
Hydref 2003
|
Tachwedd 2003
|
Rhagfyr 2003
|
Ionawr 2004
|
Chwefror 2004
|
Mawrth 2004
|
Ebrill 2004
|
Mai 2004
|
Mehefin 2004
|
Gorffennaf 2004
|
Awst 2004
|
Medi 2004
|
Hydref 2004
|
Tachwedd 2004
|
Rhagfyr 2004
|
Ionawr 2005
|
Chwefror 2005
|
Mawrth 2005
|
Ebrill 2005
|
Mai 2005
|
Mehefin 2005
|
Gorffennaf 2005
|
Awst 2005
|
Medi 2005
|
Hydref 2005
|
Tachwedd 2005
|
Rhagfyr 2005
|
Ionawr 2006
|
Chwefror 2006
|
Mawrth 2006
|
Ebrill 2006
|
Mai 2006
|
Mehefin 2006
|
Gorffennaf 2006
|
Awst 2006
|
Medi 2006
|
Hydref 2006
|
Tachwedd 2006
|
Rhagfyr 2006
|
Ionawr 2007
|
Chwefror 2007
|
Mawrth 2007
|
Ebrill 2007
|
Mai 2007
|
Mehefin 2007
|
Gorffennaf 2007
|
Awst 2007
|
Medi 2007
|
Hydref 2007
|
Tachwedd 2007
|
Rhagfyr 2007
|
Ionawr 2008
|
Chwefror 2008
|
Mawrth 2008
|
Ebrill 2008
|
Mai 2008
|
Mehefin 2008
|
Gorffennaf 2008
|
Awst 2008
|
Medi 2008
|
Hydref 2008
|
Tachwedd 2008
|
Rhagfyr 2008
|
Ionawr 2009
|
Chwefror 2009
|
Mawrth 2009
|
Ebrill 2009
|
Mai 2009
|
Mehefin 2009
|
Gorffennaf 2009
|
Awst 2009
|
Medi 2009
|
Hydref 2009
|
Tachwedd 2009
|
Rhagfyr 2009
|
Ionawr 2010
|
Chwefror 2010
|
Mawrth 2010
|
Ebrill 2010
|
Mai 2010
|
Mehefin 2010
|
Gorffennaf 2010
|
Awst 2010
|
Medi 2010
|
Hydref 2010
|
Tachwedd 2010
|
Rhagfyr 2010
|
Ionawr 2011
|
Chwefror 2011
|
Mawrth 2011
|
Ebrill 2011
|
Mai 2011
|
Mehefin 2011
|
Gorffennaf 2011
|
Awst 2011
|
Medi 2011
|
Hydref 2011
|
Tachwedd 2011
|
Rhagfyr 2011
|
Ionawr 2012
|
Chwefror 2012
|
Mawrth 2012
|
Ebrill 2012
|
Mai 2012
|
Mehefin 2012
|
Gorffennaf 2012
|
Awst 2012
|
Medi 2012
|
Hydref 2012
|
Tachwedd 2012
|
Rhagfyr 2012
|
Ionawr 2013
|
Chwefror 2013
|
Mawrth 2013
|
Ebrill 2013
|
Mai 2013
|
Mehefin 2013
|
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
|
Dyddiad
|
Ionawr 2000
|
Chwefror 2000
|
Mawrth 2000
|
Ebrill 2000
|
Mai 2000
|
Mehefin 2000
|
Gorffennaf 2000
|
Awst 2000
|
Medi 2000
|
Hydref 2000
|
Tachwedd 2000
|
Rhagfyr 2000
|
Ionawr 2001
|
Chwefror 2001
|
Mawrth 2001
|
Ebrill 2001
|
Mai 2001
|
Mehefin 2001
|
Gorffennaf 2001
|
Awst 2001
|
Medi 2001
|
Hydref 2001
|
Tachwedd 2001
|
Rhagfyr 2001
|
Ionawr 2002
|
Chwefror 2002
|
Mawrth 2002
|
Ebrill 2002
|
Mai 2002
|
Mehefin 2002
|
Gorffennaf 2002
|
Awst 2002
|
Medi 2002
|
Hydref 2002
|
Tachwedd 2002
|
Rhagfyr 2002
|
Ionawr 2003
|
Chwefror 2003
|
Mawrth 2003
|
Ebrill 2003
|
Mai 2003
|
Mehefin 2003
|
Gorffennaf 2003
|
Awst 2003
|
Medi 2003
|
Hydref 2003
|
Tachwedd 2003
|
Rhagfyr 2003
|
Ionawr 2004
|
Chwefror 2004
|
Mawrth 2004
|
Ebrill 2004
|
Mai 2004
|
Mehefin 2004
|
Gorffennaf 2004
|
Awst 2004
|
Medi 2004
|
Hydref 2004
|
Tachwedd 2004
|
Rhagfyr 2004
|
Ionawr 2005
|
Chwefror 2005
|
Mawrth 2005
|
Ebrill 2005
|
Mai 2005
|
Mehefin 2005
|
Gorffennaf 2005
|
Awst 2005
|
Medi 2005
|
Hydref 2005
|
Tachwedd 2005
|
Rhagfyr 2005
|
Ionawr 2006
|
Chwefror 2006
|
Mawrth 2006
|
Ebrill 2006
|
Mai 2006
|
Mehefin 2006
|
Gorffennaf 2006
|
Awst 2006
|
Medi 2006
|
Hydref 2006
|
Tachwedd 2006
|
Rhagfyr 2006
|
Ionawr 2007
|
Chwefror 2007
|
Mawrth 2007
|
Ebrill 2007
|
Mai 2007
|
Mehefin 2007
|
Gorffennaf 2007
|
Awst 2007
|
Medi 2007
|
Hydref 2007
|
Tachwedd 2007
|
Rhagfyr 2007
|
Ionawr 2008
|
Chwefror 2008
|
Mawrth 2008
|
Ebrill 2008
|
Mai 2008
|
Mehefin 2008
|
Gorffennaf 2008
|
Awst 2008
|
Medi 2008
|
Hydref 2008
|
Tachwedd 2008
|
Rhagfyr 2008
|
Ionawr 2009
|
Chwefror 2009
|
Mawrth 2009
|
Ebrill 2009
|
Mai 2009
|
Mehefin 2009
|
Gorffennaf 2009
|
Awst 2009
|
Medi 2009
|
Hydref 2009
|
Tachwedd 2009
|
Rhagfyr 2009
|
Ionawr 2010
|
Chwefror 2010
|
Mawrth 2010
|
Ebrill 2010
|
Mai 2010
|
Mehefin 2010
|
Gorffennaf 2010
|
Awst 2010
|
Medi 2010
|
Hydref 2010
|
Tachwedd 2010
|
Rhagfyr 2010
|
Ionawr 2011
|
Chwefror 2011
|
Mawrth 2011
|
Ebrill 2011
|
Mai 2011
|
Mehefin 2011
|
Gorffennaf 2011
|
Awst 2011
|
Medi 2011
|
Hydref 2011
|
Tachwedd 2011
|
Rhagfyr 2011
|
Ionawr 2012
|
Chwefror 2012
|
Mawrth 2012
|
Ebrill 2012
|
Mai 2012
|
Mehefin 2012
|
Gorffennaf 2012
|
Awst 2012
|
Medi 2012
|
Hydref 2012
|
Tachwedd 2012
|
Rhagfyr 2012
|
Ionawr 2013
|
Chwefror 2013
|
Mawrth 2013
|
Ebrill 2013
|
Mai 2013
|
Mehefin 2013
|
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
|
Dyddiad
|
Ionawr 2000
|
Chwefror 2000
|
Mawrth 2000
|
Ebrill 2000
|
Mai 2000
|
Mehefin 2000
|
Gorffennaf 2000
|
Awst 2000
|
Medi 2000
|
Hydref 2000
|
Tachwedd 2000
|
Rhagfyr 2000
|
Ionawr 2001
|
Chwefror 2001
|
Mawrth 2001
|
Ebrill 2001
|
Mai 2001
|
Mehefin 2001
|
Gorffennaf 2001
|
Awst 2001
|
Medi 2001
|
Hydref 2001
|
Tachwedd 2001
|
Rhagfyr 2001
|
Ionawr 2002
|
Chwefror 2002
|
Mawrth 2002
|
Ebrill 2002
|
Mai 2002
|
Mehefin 2002
|
Gorffennaf 2002
|
Awst 2002
|
Medi 2002
|
Hydref 2002
|
Tachwedd 2002
|
Rhagfyr 2002
|
Ionawr 2003
|
Chwefror 2003
|
Mawrth 2003
|
Ebrill 2003
|
Mai 2003
|
Mehefin 2003
|
Gorffennaf 2003
|
Awst 2003
|
Medi 2003
|
Hydref 2003
|
Tachwedd 2003
|
Rhagfyr 2003
|
Ionawr 2004
|
Chwefror 2004
|
Mawrth 2004
|
Ebrill 2004
|
Mai 2004
|
Mehefin 2004
|
Gorffennaf 2004
|
Awst 2004
|
Medi 2004
|
Hydref 2004
|
Tachwedd 2004
|
Rhagfyr 2004
|
Ionawr 2005
|
Chwefror 2005
|
Mawrth 2005
|
Ebrill 2005
|
Mai 2005
|
Mehefin 2005
|
Gorffennaf 2005
|
Awst 2005
|
Medi 2005
|
Hydref 2005
|
Tachwedd 2005
|
Rhagfyr 2005
|
Ionawr 2006
|
Chwefror 2006
|
Mawrth 2006
|
Ebrill 2006
|
Mai 2006
|
Mehefin 2006
|
Gorffennaf 2006
|
Awst 2006
|
Medi 2006
|
Hydref 2006
|
Tachwedd 2006
|
Rhagfyr 2006
|
Ionawr 2007
|
Chwefror 2007
|
Mawrth 2007
|
Ebrill 2007
|
Mai 2007
|
Mehefin 2007
|
Gorffennaf 2007
|
Awst 2007
|
Medi 2007
|
Hydref 2007
|
Tachwedd 2007
|
Rhagfyr 2007
|
Ionawr 2008
|
Chwefror 2008
|
Mawrth 2008
|
Ebrill 2008
|
Mai 2008
|
Mehefin 2008
|
Gorffennaf 2008
|
Awst 2008
|
Medi 2008
|
Hydref 2008
|
Tachwedd 2008
|
Rhagfyr 2008
|
Ionawr 2009
|
Chwefror 2009
|
Mawrth 2009
|
Ebrill 2009
|
Mai 2009
|
Mehefin 2009
|
Gorffennaf 2009
|
Awst 2009
|
Medi 2009
|
Hydref 2009
|
Tachwedd 2009
|
Rhagfyr 2009
|
Ionawr 2010
|
Chwefror 2010
|
Mawrth 2010
|
Ebrill 2010
|
Mai 2010
|
Mehefin 2010
|
Gorffennaf 2010
|
Awst 2010
|
Medi 2010
|
Hydref 2010
|
Tachwedd 2010
|
Rhagfyr 2010
|
Ionawr 2011
|
Chwefror 2011
|
Mawrth 2011
|
Ebrill 2011
|
Mai 2011
|
Mehefin 2011
|
Gorffennaf 2011
|
Awst 2011
|
Medi 2011
|
Hydref 2011
|
Tachwedd 2011
|
Rhagfyr 2011
|
Ionawr 2012
|
Chwefror 2012
|
Mawrth 2012
|
Ebrill 2012
|
Mai 2012
|
Mehefin 2012
|
Gorffennaf 2012
|
Awst 2012
|
Medi 2012
|
Hydref 2012
|
Tachwedd 2012
|
Rhagfyr 2012
|
Ionawr 2013
|
Chwefror 2013
|
Mawrth 2013
|
Ebrill 2013
|
Mai 2013
|
Mehefin 2013
|
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
|
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
|
128320.0
|
130458.0
|
Chwefror 2000
|
132959.0
|
132553.0
|
Mawrth 2000
|
133568.0
|
134213.0
|
Ebrill 2000
|
141158.0
|
140490.0
|
Mai 2000
|
140771.0
|
140730.0
|
Mehefin 2000
|
143872.0
|
143372.0
|
Gorffennaf 2000
|
144820.0
|
146202.0
|
Awst 2000
|
147130.0
|
147151.0
|
Medi 2000
|
148375.0
|
147082.0
|
Hydref 2000
|
147179.0
|
145352.0
|
Tachwedd 2000
|
152599.0
|
147113.0
|
Rhagfyr 2000
|
151440.0
|
147010.0
|
Ionawr 2001
|
155003.0
|
148946.0
|
Chwefror 2001
|
156159.0
|
149114.0
|
Mawrth 2001
|
156543.0
|
150332.0
|
Ebrill 2001
|
159678.0
|
152168.0
|
Mai 2001
|
161014.0
|
156661.0
|
Mehefin 2001
|
164846.0
|
158105.0
|
Gorffennaf 2001
|
163357.0
|
160739.0
|
Awst 2001
|
168706.0
|
164108.0
|
Medi 2001
|
172924.0
|
164016.0
|
Hydref 2001
|
173415.0
|
165444.0
|
Tachwedd 2001
|
174413.0
|
166469.0
|
Rhagfyr 2001
|
177209.0
|
166786.0
|
Ionawr 2002
|
178849.0
|
168966.0
|
Chwefror 2002
|
183640.0
|
169343.0
|
Mawrth 2002
|
182861.0
|
171793.0
|
Ebrill 2002
|
188090.0
|
177270.0
|
Mai 2002
|
190069.0
|
182033.0
|
Mehefin 2002
|
194401.0
|
185185.0
|
Gorffennaf 2002
|
194224.0
|
190678.0
|
Awst 2002
|
201120.0
|
194648.0
|
Medi 2002
|
200417.0
|
196530.0
|
Hydref 2002
|
203834.0
|
198476.0
|
Tachwedd 2002
|
206491.0
|
201962.0
|
Rhagfyr 2002
|
208053.0
|
202824.0
|
Ionawr 2003
|
207467.0
|
206856.0
|
Chwefror 2003
|
212377.0
|
205754.0
|
Mawrth 2003
|
210789.0
|
204914.0
|
Ebrill 2003
|
211439.0
|
207415.0
|
Mai 2003
|
211937.0
|
210195.0
|
Mehefin 2003
|
214878.0
|
208226.0
|
Gorffennaf 2003
|
216164.0
|
213342.0
|
Awst 2003
|
213583.0
|
212336.0
|
Medi 2003
|
211974.0
|
212677.0
|
Hydref 2003
|
214644.0
|
214311.0
|
Tachwedd 2003
|
217739.0
|
215102.0
|
Rhagfyr 2003
|
220180.0
|
216441.0
|
Ionawr 2004
|
220822.0
|
218412.0
|
Chwefror 2004
|
226031.0
|
219009.0
|
Mawrth 2004
|
225773.0
|
220672.0
|
Ebrill 2004
|
224353.0
|
225702.0
|
Mai 2004
|
230319.0
|
226791.0
|
Mehefin 2004
|
234225.0
|
229525.0
|
Gorffennaf 2004
|
227153.0
|
234151.0
|
Awst 2004
|
233604.0
|
234639.0
|
Medi 2004
|
232457.0
|
233976.0
|
Hydref 2004
|
231720.0
|
232038.0
|
Tachwedd 2004
|
237803.0
|
234162.0
|
Rhagfyr 2004
|
235051.0
|
229488.0
|
Ionawr 2005
|
240060.0
|
231496.0
|
Chwefror 2005
|
240411.0
|
230266.0
|
Mawrth 2005
|
241574.0
|
230100.0
|
Ebrill 2005
|
248186.0
|
233978.0
|
Mai 2005
|
244182.0
|
234679.0
|
Mehefin 2005
|
244327.0
|
234898.0
|
Gorffennaf 2005
|
244469.0
|
237034.0
|
Awst 2005
|
246313.0
|
236976.0
|
Medi 2005
|
243776.0
|
236055.0
|
Hydref 2005
|
242721.0
|
233299.0
|
Tachwedd 2005
|
247586.0
|
235328.0
|
Rhagfyr 2005
|
251305.0
|
236974.0
|
Ionawr 2006
|
248374.0
|
238832.0
|
Chwefror 2006
|
252650.0
|
237738.0
|
Mawrth 2006
|
251641.0
|
240237.0
|
Ebrill 2006
|
257854.0
|
244171.0
|
Mai 2006
|
259579.0
|
246312.0
|
Mehefin 2006
|
260255.0
|
250363.0
|
Gorffennaf 2006
|
259956.0
|
253028.0
|
Awst 2006
|
261150.0
|
255966.0
|
Medi 2006
|
265399.0
|
256549.0
|
Hydref 2006
|
266530.0
|
258152.0
|
Tachwedd 2006
|
262772.0
|
258110.0
|
Rhagfyr 2006
|
271745.0
|
263536.0
|
Ionawr 2007
|
274876.0
|
266697.0
|
Chwefror 2007
|
278280.0
|
269797.0
|
Mawrth 2007
|
278458.0
|
272622.0
|
Ebrill 2007
|
282620.0
|
277998.0
|
Mai 2007
|
294932.0
|
281474.0
|
Mehefin 2007
|
289917.0
|
285127.0
|
Gorffennaf 2007
|
304660.0
|
294580.0
|
Awst 2007
|
299488.0
|
296910.0
|
Medi 2007
|
299954.0
|
297685.0
|
Hydref 2007
|
306332.0
|
297501.0
|
Tachwedd 2007
|
301753.0
|
296784.0
|
Rhagfyr 2007
|
303759.0
|
297043.0
|
Ionawr 2008
|
307753.0
|
297467.0
|
Chwefror 2008
|
310055.0
|
294043.0
|
Mawrth 2008
|
306044.0
|
292143.0
|
Ebrill 2008
|
307540.0
|
292807.0
|
Mai 2008
|
307693.0
|
293691.0
|
Mehefin 2008
|
301035.0
|
288794.0
|
Gorffennaf 2008
|
298738.0
|
289206.0
|
Awst 2008
|
282991.0
|
281424.0
|
Medi 2008
|
284363.0
|
275502.0
|
Hydref 2008
|
275288.0
|
265978.0
|
Tachwedd 2008
|
263177.0
|
258021.0
|
Rhagfyr 2008
|
253041.0
|
253824.0
|
Ionawr 2009
|
261640.0
|
252054.0
|
Chwefror 2009
|
258396.0
|
248811.0
|
Mawrth 2009
|
256747.0
|
246140.0
|
Ebrill 2009
|
250885.0
|
244614.0
|
Mai 2009
|
252343.0
|
249567.0
|
Mehefin 2009
|
253852.0
|
253379.0
|
Gorffennaf 2009
|
253394.0
|
260253.0
|
Awst 2009
|
254157.0
|
262692.0
|
Medi 2009
|
267287.0
|
267321.0
|
Hydref 2009
|
265375.0
|
268925.0
|
Tachwedd 2009
|
262749.0
|
267052.0
|
Rhagfyr 2009
|
263553.0
|
270587.0
|
Ionawr 2010
|
261507.0
|
281423.0
|
Chwefror 2010
|
273951.0
|
279313.0
|
Mawrth 2010
|
277462.0
|
280886.0
|
Ebrill 2010
|
274435.0
|
282771.0
|
Mai 2010
|
271064.0
|
282817.0
|
Mehefin 2010
|
275220.0
|
285481.0
|
Gorffennaf 2010
|
274957.0
|
294441.0
|
Awst 2010
|
277773.0
|
291890.0
|
Medi 2010
|
281519.0
|
290973.0
|
Hydref 2010
|
279629.0
|
286836.0
|
Tachwedd 2010
|
272961.0
|
283229.0
|
Rhagfyr 2010
|
283161.0
|
285703.0
|
Ionawr 2011
|
289150.0
|
288061.0
|
Chwefror 2011
|
285828.0
|
285345.0
|
Mawrth 2011
|
291118.0
|
286962.0
|
Ebrill 2011
|
296537.0
|
293974.0
|
Mai 2011
|
289944.0
|
284504.0
|
Mehefin 2011
|
283922.0
|
286214.0
|
Gorffennaf 2011
|
295959.0
|
296003.0
|
Awst 2011
|
291318.0
|
295335.0
|
Medi 2011
|
289495.0
|
295961.0
|
Hydref 2011
|
290134.0
|
292590.0
|
Tachwedd 2011
|
291768.0
|
291148.0
|
Rhagfyr 2011
|
291777.0
|
292487.0
|
Ionawr 2012
|
291511.0
|
294738.0
|
Chwefror 2012
|
284673.0
|
293277.0
|
Mawrth 2012
|
287893.0
|
290716.0
|
Ebrill 2012
|
294862.0
|
299587.0
|
Mai 2012
|
298252.0
|
304777.0
|
Mehefin 2012
|
299577.0
|
307672.0
|
Gorffennaf 2012
|
292780.0
|
310786.0
|
Awst 2012
|
296775.0
|
311546.0
|
Medi 2012
|
298433.0
|
309619.0
|
Hydref 2012
|
306361.0
|
310776.0
|
Tachwedd 2012
|
307290.0
|
308752.0
|
Rhagfyr 2012
|
312637.0
|
313943.0
|
Ionawr 2013
|
300893.0
|
312562.0
|
Chwefror 2013
|
307264.0
|
314294.0
|
Mawrth 2013
|
310746.0
|
312526.0
|
Ebrill 2013
|
321405.0
|
320946.0
|
Mai 2013
|
317878.0
|
322873.0
|
Mehefin 2013
|
321390.0
|
324926.0
|
Gorffennaf 2013
|
325662.0
|
333848.0
|
Awst 2013
|
326209.0
|
336842.0
|
Medi 2013
|
335504.0
|
341105.0
|
Hydref 2013
|
340144.0
|
340115.0
|
Tachwedd 2013
|
344289.0
|
343774.0
|
Rhagfyr 2013
|
357205.0
|
351570.0
|
Ionawr 2014
|
355301.0
|
355970.0
|
Chwefror 2014
|
362950.0
|
357433.0
|
Mawrth 2014
|
364833.0
|
361128.0
|
Ebrill 2014
|
378146.0
|
375133.0
|
Mai 2014
|
388469.0
|
382196.0
|
Mehefin 2014
|
388165.0
|
387171.0
|
Gorffennaf 2014
|
391811.0
|
399565.0
|
Awst 2014
|
398128.0
|
405551.0
|
Medi 2014
|
397375.0
|
404431.0
|
Hydref 2014
|
398305.0
|
402816.0
|
Tachwedd 2014
|
392957.0
|
401729.0
|
Rhagfyr 2014
|
405634.0
|
402708.0
|
Ionawr 2015
|
407847.0
|
402423.0
|
Chwefror 2015
|
413077.0
|
404071.0
|
Mawrth 2015
|
410866.0
|
404183.0
|
Ebrill 2015
|
415923.0
|
409980.0
|
Mai 2015
|
419710.0
|
415486.0
|
Mehefin 2015
|
412064.0
|
420114.0
|
Gorffennaf 2015
|
428504.0
|
431913.0
|
Awst 2015
|
428525.0
|
436810.0
|
Medi 2015
|
432855.0
|
440322.0
|
Hydref 2015
|
437017.0
|
440782.0
|
Tachwedd 2015
|
440608.0
|
445904.0
|
Rhagfyr 2015
|
456657.0
|
449493.0
|
Ionawr 2016
|
459652.0
|
457279.0
|
Chwefror 2016
|
448129.0
|
458591.0
|
Mawrth 2016
|
446662.0
|
466218.0
|
Ebrill 2016
|
473740.0
|
460001.0
|
Mai 2016
|
488999.0
|
465689.0
|
Mehefin 2016
|
472269.0
|
467767.0
|
Gorffennaf 2016
|
475091.0
|
475567.0
|
Awst 2016
|
471923.0
|
471960.0
|
Medi 2016
|
473734.0
|
471599.0
|
Hydref 2016
|
483553.0
|
469951.0
|
Tachwedd 2016
|
479572.0
|
470116.0
|
Rhagfyr 2016
|
480268.0
|
471705.0
|
Ionawr 2017
|
493619.0
|
474111.0
|
Chwefror 2017
|
499935.0
|
474821.0
|
Mawrth 2017
|
488848.0
|
474278.0
|
Ebrill 2017
|
492747.0
|
478660.0
|
Mai 2017
|
491869.0
|
479921.0
|
Mehefin 2017
|
484279.0
|
479695.0
|
Gorffennaf 2017
|
496033.0
|
487808.0
|
Awst 2017
|
490275.0
|
486698.0
|
Medi 2017
|
493218.0
|
482972.0
|
Hydref 2017
|
497851.0
|
480395.0
|
Tachwedd 2017
|
478833.0
|
475957.0
|
Rhagfyr 2017
|
482847.0
|
476248.0
|
Ionawr 2018
|
496890.0
|
478329.0
|
Chwefror 2018
|
513622.0
|
472869.0
|
Mawrth 2018
|
489523.0
|
470875.0
|
Ebrill 2018
|
498630.0
|
474977.0
|
Dyddiad
|
Adeilad newydd
|
Eiddo presennol
|
Ionawr 2000
|
18.7
|
23.8
|
Chwefror 2000
|
26.1
|
26.1
|
Mawrth 2000
|
24.2
|
25.1
|
Ebrill 2000
|
30.1
|
28.2
|
Mai 2000
|
25.0
|
26.8
|
Mehefin 2000
|
27.3
|
26.6
|
Gorffennaf 2000
|
24.8
|
25.0
|
Awst 2000
|
24.7
|
23.3
|
Medi 2000
|
20.6
|
20.1
|
Hydref 2000
|
20.3
|
18.2
|
Tachwedd 2000
|
22.6
|
17.0
|
Rhagfyr 2000
|
16.6
|
15.2
|
Ionawr 2001
|
20.8
|
14.2
|
Chwefror 2001
|
17.4
|
12.5
|
Mawrth 2001
|
17.2
|
12.0
|
Ebrill 2001
|
13.1
|
8.3
|
Mai 2001
|
14.4
|
11.3
|
Mehefin 2001
|
14.6
|
10.3
|
Gorffennaf 2001
|
12.8
|
9.9
|
Awst 2001
|
14.7
|
11.5
|
Medi 2001
|
16.6
|
11.5
|
Hydref 2001
|
17.8
|
13.8
|
Tachwedd 2001
|
14.3
|
13.2
|
Rhagfyr 2001
|
17.0
|
13.4
|
Ionawr 2002
|
15.4
|
13.4
|
Chwefror 2002
|
17.6
|
13.6
|
Mawrth 2002
|
16.8
|
14.3
|
Ebrill 2002
|
17.8
|
16.5
|
Mai 2002
|
18.0
|
16.2
|
Mehefin 2002
|
17.9
|
17.1
|
Gorffennaf 2002
|
18.9
|
18.6
|
Awst 2002
|
19.2
|
18.6
|
Medi 2002
|
15.9
|
19.8
|
Hydref 2002
|
17.5
|
20.0
|
Tachwedd 2002
|
18.4
|
21.3
|
Rhagfyr 2002
|
17.4
|
21.6
|
Ionawr 2003
|
16.0
|
22.4
|
Chwefror 2003
|
15.6
|
21.5
|
Mawrth 2003
|
15.3
|
19.3
|
Ebrill 2003
|
12.4
|
17.0
|
Mai 2003
|
11.5
|
15.5
|
Mehefin 2003
|
10.5
|
12.4
|
Gorffennaf 2003
|
11.3
|
11.9
|
Awst 2003
|
6.2
|
9.1
|
Medi 2003
|
5.8
|
8.2
|
Hydref 2003
|
5.3
|
8.0
|
Tachwedd 2003
|
5.4
|
6.5
|
Rhagfyr 2003
|
5.8
|
6.7
|
Ionawr 2004
|
6.4
|
5.6
|
Chwefror 2004
|
6.4
|
6.4
|
Mawrth 2004
|
7.1
|
7.7
|
Ebrill 2004
|
6.1
|
8.8
|
Mai 2004
|
8.7
|
7.9
|
Mehefin 2004
|
9.0
|
10.2
|
Gorffennaf 2004
|
5.1
|
9.8
|
Awst 2004
|
9.4
|
10.5
|
Medi 2004
|
9.7
|
10.0
|
Hydref 2004
|
8.0
|
8.3
|
Tachwedd 2004
|
9.2
|
8.9
|
Rhagfyr 2004
|
6.8
|
6.0
|
Ionawr 2005
|
8.7
|
6.0
|
Chwefror 2005
|
6.4
|
5.1
|
Mawrth 2005
|
7.0
|
4.3
|
Ebrill 2005
|
10.6
|
3.7
|
Mai 2005
|
6.0
|
3.5
|
Mehefin 2005
|
4.3
|
2.3
|
Gorffennaf 2005
|
7.6
|
1.2
|
Awst 2005
|
5.4
|
1.0
|
Medi 2005
|
4.9
|
0.9
|
Hydref 2005
|
4.8
|
0.5
|
Tachwedd 2005
|
4.1
|
0.5
|
Rhagfyr 2005
|
6.9
|
3.3
|
Ionawr 2006
|
3.5
|
3.2
|
Chwefror 2006
|
5.1
|
3.2
|
Mawrth 2006
|
4.2
|
4.4
|
Ebrill 2006
|
3.9
|
4.4
|
Mai 2006
|
6.3
|
5.0
|
Mehefin 2006
|
6.5
|
6.6
|
Gorffennaf 2006
|
6.3
|
6.8
|
Awst 2006
|
6.0
|
8.0
|
Medi 2006
|
8.9
|
8.7
|
Hydref 2006
|
9.8
|
10.6
|
Tachwedd 2006
|
6.1
|
9.7
|
Rhagfyr 2006
|
8.1
|
11.2
|
Ionawr 2007
|
10.7
|
11.7
|
Chwefror 2007
|
10.1
|
13.5
|
Mawrth 2007
|
10.7
|
13.5
|
Ebrill 2007
|
9.6
|
13.8
|
Mai 2007
|
13.6
|
14.3
|
Mehefin 2007
|
11.4
|
13.9
|
Gorffennaf 2007
|
17.2
|
16.4
|
Awst 2007
|
14.7
|
16.0
|
Medi 2007
|
13.0
|
16.0
|
Hydref 2007
|
14.9
|
15.2
|
Tachwedd 2007
|
14.8
|
15.0
|
Rhagfyr 2007
|
11.8
|
12.7
|
Ionawr 2008
|
12.0
|
11.5
|
Chwefror 2008
|
11.4
|
9.0
|
Mawrth 2008
|
9.9
|
7.2
|
Ebrill 2008
|
8.8
|
5.3
|
Mai 2008
|
4.3
|
4.3
|
Mehefin 2008
|
3.8
|
1.3
|
Gorffennaf 2008
|
-1.9
|
-1.8
|
Awst 2008
|
-5.5
|
-5.2
|
Medi 2008
|
-5.2
|
-7.4
|
Hydref 2008
|
-10.1
|
-10.6
|
Tachwedd 2008
|
-12.8
|
-13.1
|
Rhagfyr 2008
|
-16.7
|
-14.6
|
Ionawr 2009
|
-15.0
|
-15.3
|
Chwefror 2009
|
-16.7
|
-15.4
|
Mawrth 2009
|
-16.1
|
-15.8
|
Ebrill 2009
|
-18.4
|
-16.5
|
Mai 2009
|
-18.0
|
-15.0
|
Mehefin 2009
|
-15.7
|
-12.3
|
Gorffennaf 2009
|
-15.2
|
-10.0
|
Awst 2009
|
-10.2
|
-6.7
|
Medi 2009
|
-6.0
|
-3.0
|
Hydref 2009
|
-3.6
|
1.1
|
Tachwedd 2009
|
-0.2
|
3.5
|
Rhagfyr 2009
|
4.2
|
6.6
|
Ionawr 2010
|
-0.1
|
11.6
|
Chwefror 2010
|
6.0
|
12.3
|
Mawrth 2010
|
8.1
|
14.1
|
Ebrill 2010
|
9.4
|
15.6
|
Mai 2010
|
7.4
|
13.3
|
Mehefin 2010
|
8.4
|
12.7
|
Gorffennaf 2010
|
8.5
|
13.1
|
Awst 2010
|
9.3
|
11.1
|
Medi 2010
|
5.3
|
8.8
|
Hydref 2010
|
5.4
|
6.7
|
Tachwedd 2010
|
3.9
|
6.1
|
Rhagfyr 2010
|
7.4
|
5.6
|
Ionawr 2011
|
10.6
|
2.4
|
Chwefror 2011
|
4.3
|
2.2
|
Mawrth 2011
|
4.9
|
2.2
|
Ebrill 2011
|
8.0
|
4.0
|
Mai 2011
|
7.0
|
0.6
|
Mehefin 2011
|
3.2
|
0.3
|
Gorffennaf 2011
|
7.6
|
0.5
|
Awst 2011
|
4.9
|
1.2
|
Medi 2011
|
2.8
|
1.7
|
Hydref 2011
|
3.8
|
2.0
|
Tachwedd 2011
|
6.9
|
2.8
|
Rhagfyr 2011
|
3.0
|
2.4
|
Ionawr 2012
|
0.8
|
2.3
|
Chwefror 2012
|
-0.4
|
2.8
|
Mawrth 2012
|
-1.1
|
1.3
|
Ebrill 2012
|
-0.6
|
1.9
|
Mai 2012
|
2.9
|
7.1
|
Mehefin 2012
|
5.5
|
7.5
|
Gorffennaf 2012
|
-1.1
|
5.0
|
Awst 2012
|
1.9
|
5.5
|
Medi 2012
|
3.1
|
4.6
|
Hydref 2012
|
5.6
|
6.2
|
Tachwedd 2012
|
5.3
|
6.0
|
Rhagfyr 2012
|
7.2
|
7.3
|
Ionawr 2013
|
3.2
|
6.0
|
Chwefror 2013
|
7.9
|
7.2
|
Mawrth 2013
|
7.9
|
7.5
|
Ebrill 2013
|
9.0
|
7.1
|
Mai 2013
|
6.6
|
5.9
|
Mehefin 2013
|
7.3
|
5.6
|
Gorffennaf 2013
|
11.2
|
7.4
|
Awst 2013
|
9.9
|
8.1
|
Medi 2013
|
12.4
|
10.2
|
Hydref 2013
|
11.0
|
9.4
|
Tachwedd 2013
|
12.0
|
11.3
|
Rhagfyr 2013
|
14.3
|
12.0
|
Ionawr 2014
|
18.1
|
13.9
|
Chwefror 2014
|
18.1
|
13.7
|
Mawrth 2014
|
17.4
|
15.6
|
Ebrill 2014
|
17.6
|
16.9
|
Mai 2014
|
22.2
|
18.4
|
Mehefin 2014
|
20.8
|
19.2
|
Gorffennaf 2014
|
20.3
|
19.7
|
Awst 2014
|
22.0
|
20.4
|
Medi 2014
|
18.4
|
18.6
|
Hydref 2014
|
17.1
|
18.4
|
Tachwedd 2014
|
14.1
|
16.9
|
Rhagfyr 2014
|
13.6
|
14.6
|
Ionawr 2015
|
14.8
|
13.0
|
Chwefror 2015
|
13.8
|
13.0
|
Mawrth 2015
|
12.6
|
11.9
|
Ebrill 2015
|
10.0
|
9.3
|
Mai 2015
|
8.0
|
8.7
|
Mehefin 2015
|
6.2
|
8.5
|
Gorffennaf 2015
|
9.4
|
8.1
|
Awst 2015
|
7.6
|
7.7
|
Medi 2015
|
8.9
|
8.9
|
Hydref 2015
|
9.7
|
9.4
|
Tachwedd 2015
|
12.1
|
11.0
|
Rhagfyr 2015
|
12.6
|
11.6
|
Ionawr 2016
|
12.7
|
13.6
|
Chwefror 2016
|
8.5
|
13.5
|
Mawrth 2016
|
8.7
|
15.4
|
Ebrill 2016
|
13.9
|
12.2
|
Mai 2016
|
16.5
|
12.1
|
Mehefin 2016
|
14.6
|
11.3
|
Gorffennaf 2016
|
10.9
|
10.1
|
Awst 2016
|
10.1
|
8.0
|
Medi 2016
|
9.4
|
7.1
|
Hydref 2016
|
10.6
|
6.6
|
Tachwedd 2016
|
8.8
|
5.4
|
Rhagfyr 2016
|
5.2
|
4.9
|
Ionawr 2017
|
7.4
|
3.7
|
Chwefror 2017
|
11.6
|
3.5
|
Mawrth 2017
|
9.4
|
1.7
|
Ebrill 2017
|
4.0
|
4.1
|
Mai 2017
|
0.6
|
3.1
|
Mehefin 2017
|
2.5
|
2.6
|
Gorffennaf 2017
|
4.4
|
2.6
|
Awst 2017
|
3.9
|
3.1
|
Medi 2017
|
4.1
|
2.4
|
Hydref 2017
|
3.0
|
2.2
|
Tachwedd 2017
|
-0.2
|
1.2
|
Rhagfyr 2017
|
0.5
|
1.0
|
Ionawr 2018
|
0.7
|
0.9
|
Chwefror 2018
|
2.7
|
-0.4
|
Mawrth 2018
|
0.1
|
-0.7
|
Ebrill 2018
|
1.2
|
-0.8
|
Dyddiad
|
Adeilad newydd
|
Eiddo presennol
|
Ionawr 2000
|
-1.2
|
2.2
|
Chwefror 2000
|
3.6
|
1.6
|
Mawrth 2000
|
0.5
|
1.2
|
Ebrill 2000
|
5.7
|
4.7
|
Mai 2000
|
-0.3
|
0.2
|
Mehefin 2000
|
2.2
|
1.9
|
Gorffennaf 2000
|
0.7
|
2.0
|
Awst 2000
|
1.6
|
0.6
|
Medi 2000
|
0.8
|
-0.1
|
Hydref 2000
|
-0.8
|
-1.2
|
Tachwedd 2000
|
3.7
|
1.2
|
Rhagfyr 2000
|
-0.8
|
-0.1
|
Ionawr 2001
|
2.4
|
1.3
|
Chwefror 2001
|
0.8
|
0.1
|
Mawrth 2001
|
0.2
|
0.8
|
Ebrill 2001
|
2.0
|
1.2
|
Mai 2001
|
0.8
|
3.0
|
Mehefin 2001
|
2.4
|
0.9
|
Gorffennaf 2001
|
-0.9
|
1.7
|
Awst 2001
|
3.3
|
2.1
|
Medi 2001
|
2.5
|
-0.1
|
Hydref 2001
|
0.3
|
0.9
|
Tachwedd 2001
|
0.6
|
0.6
|
Rhagfyr 2001
|
1.6
|
0.2
|
Ionawr 2002
|
0.9
|
1.3
|
Chwefror 2002
|
2.7
|
0.2
|
Mawrth 2002
|
-0.4
|
1.4
|
Ebrill 2002
|
2.9
|
3.2
|
Mai 2002
|
1.0
|
2.7
|
Mehefin 2002
|
2.3
|
1.7
|
Gorffennaf 2002
|
-0.1
|
3.0
|
Awst 2002
|
3.6
|
2.1
|
Medi 2002
|
-0.4
|
1.0
|
Hydref 2002
|
1.7
|
1.0
|
Tachwedd 2002
|
1.3
|
1.8
|
Rhagfyr 2002
|
0.8
|
0.4
|
Ionawr 2003
|
-0.3
|
2.0
|
Chwefror 2003
|
2.4
|
-0.5
|
Mawrth 2003
|
-0.8
|
-0.4
|
Ebrill 2003
|
0.3
|
1.2
|
Mai 2003
|
0.2
|
1.3
|
Mehefin 2003
|
1.4
|
-0.9
|
Gorffennaf 2003
|
0.6
|
2.5
|
Awst 2003
|
-1.2
|
-0.5
|
Medi 2003
|
-0.8
|
0.2
|
Hydref 2003
|
1.3
|
0.8
|
Tachwedd 2003
|
1.4
|
0.4
|
Rhagfyr 2003
|
1.1
|
0.6
|
Ionawr 2004
|
0.3
|
0.9
|
Chwefror 2004
|
2.4
|
0.3
|
Mawrth 2004
|
-0.1
|
0.8
|
Ebrill 2004
|
-0.6
|
2.3
|
Mai 2004
|
2.7
|
0.5
|
Mehefin 2004
|
1.7
|
1.2
|
Gorffennaf 2004
|
-3.0
|
2.0
|
Awst 2004
|
2.8
|
0.2
|
Medi 2004
|
-0.5
|
-0.3
|
Hydref 2004
|
-0.3
|
-0.8
|
Tachwedd 2004
|
2.6
|
0.9
|
Rhagfyr 2004
|
-1.2
|
-2.0
|
Ionawr 2005
|
2.1
|
0.9
|
Chwefror 2005
|
0.2
|
-0.5
|
Mawrth 2005
|
0.5
|
-0.1
|
Ebrill 2005
|
2.7
|
1.7
|
Mai 2005
|
-1.6
|
0.3
|
Mehefin 2005
|
0.1
|
0.1
|
Gorffennaf 2005
|
0.1
|
0.9
|
Awst 2005
|
0.8
|
-0.0
|
Medi 2005
|
-1.0
|
-0.4
|
Hydref 2005
|
-0.4
|
-1.2
|
Tachwedd 2005
|
2.0
|
0.9
|
Rhagfyr 2005
|
1.5
|
0.7
|
Ionawr 2006
|
-1.2
|
0.8
|
Chwefror 2006
|
1.7
|
-0.5
|
Mawrth 2006
|
-0.4
|
1.0
|
Ebrill 2006
|
2.5
|
1.6
|
Mai 2006
|
0.7
|
0.9
|
Mehefin 2006
|
0.3
|
1.6
|
Gorffennaf 2006
|
-0.1
|
1.1
|
Awst 2006
|
0.5
|
1.2
|
Medi 2006
|
1.6
|
0.2
|
Hydref 2006
|
0.4
|
0.6
|
Tachwedd 2006
|
-1.4
|
-0.0
|
Rhagfyr 2006
|
3.4
|
2.1
|
Ionawr 2007
|
1.2
|
1.2
|
Chwefror 2007
|
1.2
|
1.2
|
Mawrth 2007
|
0.1
|
1.0
|
Ebrill 2007
|
1.5
|
2.0
|
Mai 2007
|
4.4
|
1.2
|
Mehefin 2007
|
-1.7
|
1.3
|
Gorffennaf 2007
|
5.1
|
3.3
|
Awst 2007
|
-1.7
|
0.8
|
Medi 2007
|
0.2
|
0.3
|
Hydref 2007
|
2.1
|
-0.1
|
Tachwedd 2007
|
-1.5
|
-0.2
|
Rhagfyr 2007
|
0.7
|
0.1
|
Ionawr 2008
|
1.3
|
0.1
|
Chwefror 2008
|
0.8
|
-1.2
|
Mawrth 2008
|
-1.3
|
-0.6
|
Ebrill 2008
|
0.5
|
0.2
|
Mai 2008
|
0.1
|
0.3
|
Mehefin 2008
|
-2.2
|
-1.7
|
Gorffennaf 2008
|
-0.8
|
0.1
|
Awst 2008
|
-5.3
|
-2.7
|
Medi 2008
|
0.5
|
-2.1
|
Hydref 2008
|
-3.2
|
-3.5
|
Tachwedd 2008
|
-4.4
|
-3.0
|
Rhagfyr 2008
|
-3.8
|
-1.6
|
Ionawr 2009
|
3.4
|
-0.7
|
Chwefror 2009
|
-1.2
|
-1.3
|
Mawrth 2009
|
-0.6
|
-1.1
|
Ebrill 2009
|
-2.3
|
-0.6
|
Mai 2009
|
0.6
|
2.0
|
Mehefin 2009
|
0.6
|
1.5
|
Gorffennaf 2009
|
-0.2
|
2.7
|
Awst 2009
|
0.3
|
0.9
|
Medi 2009
|
5.2
|
1.8
|
Hydref 2009
|
-0.7
|
0.6
|
Tachwedd 2009
|
-1.0
|
-0.7
|
Rhagfyr 2009
|
0.3
|
1.3
|
Ionawr 2010
|
-0.8
|
4.0
|
Chwefror 2010
|
4.8
|
-0.8
|
Mawrth 2010
|
1.3
|
0.6
|
Ebrill 2010
|
-1.1
|
0.7
|
Mai 2010
|
-1.2
|
0.0
|
Mehefin 2010
|
1.5
|
0.9
|
Gorffennaf 2010
|
-0.1
|
3.1
|
Awst 2010
|
1.0
|
-0.9
|
Medi 2010
|
1.4
|
-0.3
|
Hydref 2010
|
-0.7
|
-1.4
|
Tachwedd 2010
|
-2.4
|
-1.3
|
Rhagfyr 2010
|
3.7
|
0.9
|
Ionawr 2011
|
2.1
|
0.8
|
Chwefror 2011
|
-1.2
|
-0.9
|
Mawrth 2011
|
1.8
|
0.6
|
Ebrill 2011
|
1.9
|
2.4
|
Mai 2011
|
-2.2
|
-3.2
|
Mehefin 2011
|
-2.1
|
0.6
|
Gorffennaf 2011
|
4.2
|
3.4
|
Awst 2011
|
-1.6
|
-0.2
|
Medi 2011
|
-0.6
|
0.2
|
Hydref 2011
|
0.2
|
-1.1
|
Tachwedd 2011
|
0.6
|
-0.5
|
Rhagfyr 2011
|
0.0
|
0.5
|
Ionawr 2012
|
-0.1
|
0.8
|
Chwefror 2012
|
-2.4
|
-0.5
|
Mawrth 2012
|
1.1
|
-0.9
|
Ebrill 2012
|
2.4
|
3.0
|
Mai 2012
|
1.2
|
1.7
|
Mehefin 2012
|
0.4
|
1.0
|
Gorffennaf 2012
|
-2.3
|
1.0
|
Awst 2012
|
1.4
|
0.2
|
Medi 2012
|
0.6
|
-0.6
|
Hydref 2012
|
2.7
|
0.4
|
Tachwedd 2012
|
0.3
|
-0.6
|
Rhagfyr 2012
|
1.7
|
1.7
|
Ionawr 2013
|
-3.8
|
-0.4
|
Chwefror 2013
|
2.1
|
0.6
|
Mawrth 2013
|
1.1
|
-0.6
|
Ebrill 2013
|
3.4
|
2.7
|
Mai 2013
|
-1.1
|
0.6
|
Mehefin 2013
|
1.1
|
0.6
|
Gorffennaf 2013
|
1.3
|
2.8
|
Awst 2013
|
0.2
|
0.9
|
Medi 2013
|
2.8
|
1.3
|
Hydref 2013
|
1.4
|
-0.3
|
Tachwedd 2013
|
1.2
|
1.1
|
Rhagfyr 2013
|
3.8
|
2.3
|
Ionawr 2014
|
-0.5
|
1.2
|
Chwefror 2014
|
2.2
|
0.4
|
Mawrth 2014
|
0.5
|
1.0
|
Ebrill 2014
|
3.6
|
3.9
|
Mai 2014
|
2.7
|
1.9
|
Mehefin 2014
|
-0.1
|
1.3
|
Gorffennaf 2014
|
0.9
|
3.2
|
Awst 2014
|
1.6
|
1.5
|
Medi 2014
|
-0.2
|
-0.3
|
Hydref 2014
|
0.2
|
-0.4
|
Tachwedd 2014
|
-1.3
|
-0.3
|
Rhagfyr 2014
|
3.2
|
0.2
|
Ionawr 2015
|
0.6
|
-0.1
|
Chwefror 2015
|
1.3
|
0.4
|
Mawrth 2015
|
-0.5
|
0.0
|
Ebrill 2015
|
1.2
|
1.4
|
Mai 2015
|
0.9
|
1.3
|
Mehefin 2015
|
-1.8
|
1.1
|
Gorffennaf 2015
|
4.0
|
2.8
|
Awst 2015
|
0.0
|
1.1
|
Medi 2015
|
1.0
|
0.8
|
Hydref 2015
|
1.0
|
0.1
|
Tachwedd 2015
|
0.8
|
1.2
|
Rhagfyr 2015
|
3.6
|
0.8
|
Ionawr 2016
|
0.7
|
1.7
|
Chwefror 2016
|
-2.5
|
0.3
|
Mawrth 2016
|
-0.3
|
1.7
|
Ebrill 2016
|
6.1
|
-1.3
|
Mai 2016
|
3.2
|
1.2
|
Mehefin 2016
|
-3.4
|
0.4
|
Gorffennaf 2016
|
0.6
|
1.7
|
Awst 2016
|
-0.7
|
-0.8
|
Medi 2016
|
0.4
|
-0.1
|
Hydref 2016
|
2.1
|
-0.4
|
Tachwedd 2016
|
-0.8
|
0.0
|
Rhagfyr 2016
|
0.2
|
0.3
|
Ionawr 2017
|
2.8
|
0.5
|
Chwefror 2017
|
1.3
|
0.2
|
Mawrth 2017
|
-2.2
|
-0.1
|
Ebrill 2017
|
0.8
|
0.9
|
Mai 2017
|
-0.2
|
0.3
|
Mehefin 2017
|
-1.5
|
-0.1
|
Gorffennaf 2017
|
2.4
|
1.7
|
Awst 2017
|
-1.2
|
-0.2
|
Medi 2017
|
0.6
|
-0.8
|
Hydref 2017
|
0.9
|
-0.5
|
Tachwedd 2017
|
-3.8
|
-0.9
|
Rhagfyr 2017
|
0.8
|
0.1
|
Ionawr 2018
|
2.9
|
0.4
|
Chwefror 2018
|
3.4
|
-1.1
|
Mawrth 2018
|
-4.7
|
-0.4
|
Ebrill 2018
|
1.9
|
0.9
|
Dyddiad
|
Adeilad newydd
|
Eiddo presennol
|
Ionawr 2000
|
31.5
|
32.4
|
Chwefror 2000
|
32.6
|
32.9
|
Mawrth 2000
|
32.8
|
33.4
|
Ebrill 2000
|
34.6
|
34.9
|
Mai 2000
|
34.5
|
35.0
|
Mehefin 2000
|
35.3
|
35.6
|
Gorffennaf 2000
|
35.5
|
36.3
|
Awst 2000
|
36.1
|
36.6
|
Medi 2000
|
36.4
|
36.6
|
Hydref 2000
|
36.1
|
36.1
|
Tachwedd 2000
|
37.4
|
36.6
|
Rhagfyr 2000
|
37.1
|
36.5
|
Ionawr 2001
|
38.0
|
37.0
|
Chwefror 2001
|
38.3
|
37.0
|
Mawrth 2001
|
38.4
|
37.4
|
Ebrill 2001
|
39.2
|
37.8
|
Mai 2001
|
39.5
|
38.9
|
Mehefin 2001
|
40.4
|
39.3
|
Gorffennaf 2001
|
40.0
|
39.9
|
Awst 2001
|
41.4
|
40.8
|
Medi 2001
|
42.4
|
40.8
|
Hydref 2001
|
42.5
|
41.1
|
Tachwedd 2001
|
42.8
|
41.4
|
Rhagfyr 2001
|
43.4
|
41.4
|
Ionawr 2002
|
43.8
|
42.0
|
Chwefror 2002
|
45.0
|
42.1
|
Mawrth 2002
|
44.8
|
42.7
|
Ebrill 2002
|
46.1
|
44.0
|
Mai 2002
|
46.6
|
45.2
|
Mehefin 2002
|
47.7
|
46.0
|
Gorffennaf 2002
|
47.6
|
47.4
|
Awst 2002
|
49.3
|
48.4
|
Medi 2002
|
49.1
|
48.8
|
Hydref 2002
|
50.0
|
49.3
|
Tachwedd 2002
|
50.6
|
50.2
|
Rhagfyr 2002
|
51.0
|
50.4
|
Ionawr 2003
|
50.9
|
51.4
|
Chwefror 2003
|
52.1
|
51.1
|
Mawrth 2003
|
51.7
|
50.9
|
Ebrill 2003
|
51.8
|
51.5
|
Mai 2003
|
52.0
|
52.2
|
Mehefin 2003
|
52.7
|
51.7
|
Gorffennaf 2003
|
53.0
|
53.0
|
Awst 2003
|
52.4
|
52.8
|
Medi 2003
|
52.0
|
52.8
|
Hydref 2003
|
52.6
|
53.3
|
Tachwedd 2003
|
53.4
|
53.4
|
Rhagfyr 2003
|
54.0
|
53.8
|
Ionawr 2004
|
54.1
|
54.3
|
Chwefror 2004
|
55.4
|
54.4
|
Mawrth 2004
|
55.4
|
54.8
|
Ebrill 2004
|
55.0
|
56.1
|
Mai 2004
|
56.5
|
56.4
|
Mehefin 2004
|
57.4
|
57.0
|
Gorffennaf 2004
|
55.7
|
58.2
|
Awst 2004
|
57.3
|
58.3
|
Medi 2004
|
57.0
|
58.1
|
Hydref 2004
|
56.8
|
57.7
|
Tachwedd 2004
|
58.3
|
58.2
|
Rhagfyr 2004
|
57.6
|
57.0
|
Ionawr 2005
|
58.9
|
57.5
|
Chwefror 2005
|
59.0
|
57.2
|
Mawrth 2005
|
59.2
|
57.2
|
Ebrill 2005
|
60.8
|
58.1
|
Mai 2005
|
59.9
|
58.3
|
Mehefin 2005
|
59.9
|
58.4
|
Gorffennaf 2005
|
59.9
|
58.9
|
Awst 2005
|
60.4
|
58.9
|
Medi 2005
|
59.8
|
58.7
|
Hydref 2005
|
59.5
|
58.0
|
Tachwedd 2005
|
60.7
|
58.5
|
Rhagfyr 2005
|
61.6
|
58.9
|
Ionawr 2006
|
60.9
|
59.4
|
Chwefror 2006
|
62.0
|
59.1
|
Mawrth 2006
|
61.7
|
59.7
|
Ebrill 2006
|
63.2
|
60.7
|
Mai 2006
|
63.6
|
61.2
|
Mehefin 2006
|
63.8
|
62.2
|
Gorffennaf 2006
|
63.7
|
62.9
|
Awst 2006
|
64.0
|
63.6
|
Medi 2006
|
65.1
|
63.8
|
Hydref 2006
|
65.4
|
64.2
|
Tachwedd 2006
|
64.4
|
64.1
|
Rhagfyr 2006
|
66.6
|
65.5
|
Ionawr 2007
|
67.4
|
66.3
|
Chwefror 2007
|
68.2
|
67.0
|
Mawrth 2007
|
68.3
|
67.8
|
Ebrill 2007
|
69.3
|
69.1
|
Mai 2007
|
72.3
|
69.9
|
Mehefin 2007
|
71.1
|
70.8
|
Gorffennaf 2007
|
74.7
|
73.2
|
Awst 2007
|
73.4
|
73.8
|
Medi 2007
|
73.6
|
74.0
|
Hydref 2007
|
75.1
|
73.9
|
Tachwedd 2007
|
74.0
|
73.8
|
Rhagfyr 2007
|
74.5
|
73.8
|
Ionawr 2008
|
75.5
|
73.9
|
Chwefror 2008
|
76.0
|
73.1
|
Mawrth 2008
|
75.0
|
72.6
|
Ebrill 2008
|
75.4
|
72.8
|
Mai 2008
|
75.4
|
73.0
|
Mehefin 2008
|
73.8
|
71.8
|
Gorffennaf 2008
|
73.2
|
71.9
|
Awst 2008
|
69.4
|
69.9
|
Medi 2008
|
69.7
|
68.5
|
Hydref 2008
|
67.5
|
66.1
|
Tachwedd 2008
|
64.5
|
64.1
|
Rhagfyr 2008
|
62.0
|
63.1
|
Ionawr 2009
|
64.2
|
62.6
|
Chwefror 2009
|
63.4
|
61.8
|
Mawrth 2009
|
63.0
|
61.2
|
Ebrill 2009
|
61.5
|
60.8
|
Mai 2009
|
61.9
|
62.0
|
Mehefin 2009
|
62.2
|
63.0
|
Gorffennaf 2009
|
62.1
|
64.7
|
Awst 2009
|
62.3
|
65.3
|
Medi 2009
|
65.5
|
66.4
|
Hydref 2009
|
65.1
|
66.8
|
Tachwedd 2009
|
64.4
|
66.4
|
Rhagfyr 2009
|
64.6
|
67.2
|
Ionawr 2010
|
64.1
|
69.9
|
Chwefror 2010
|
67.2
|
69.4
|
Mawrth 2010
|
68.0
|
69.8
|
Ebrill 2010
|
67.3
|
70.3
|
Mai 2010
|
66.5
|
70.3
|
Mehefin 2010
|
67.5
|
70.9
|
Gorffennaf 2010
|
67.4
|
73.2
|
Awst 2010
|
68.1
|
72.5
|
Medi 2010
|
69.0
|
72.3
|
Hydref 2010
|
68.6
|
71.3
|
Tachwedd 2010
|
66.9
|
70.4
|
Rhagfyr 2010
|
69.4
|
71.0
|
Ionawr 2011
|
70.9
|
71.6
|
Chwefror 2011
|
70.1
|
70.9
|
Mawrth 2011
|
71.4
|
71.3
|
Ebrill 2011
|
72.7
|
73.0
|
Mai 2011
|
71.1
|
70.7
|
Mehefin 2011
|
69.6
|
71.1
|
Gorffennaf 2011
|
72.6
|
73.6
|
Awst 2011
|
71.4
|
73.4
|
Medi 2011
|
71.0
|
73.5
|
Hydref 2011
|
71.1
|
72.7
|
Tachwedd 2011
|
71.5
|
72.4
|
Rhagfyr 2011
|
71.5
|
72.7
|
Ionawr 2012
|
71.5
|
73.2
|
Chwefror 2012
|
69.8
|
72.9
|
Mawrth 2012
|
70.6
|
72.2
|
Ebrill 2012
|
72.3
|
74.4
|
Mai 2012
|
73.1
|
75.7
|
Mehefin 2012
|
73.4
|
76.4
|
Gorffennaf 2012
|
71.8
|
77.2
|
Awst 2012
|
72.8
|
77.4
|
Medi 2012
|
73.2
|
76.9
|
Hydref 2012
|
75.1
|
77.2
|
Tachwedd 2012
|
75.3
|
76.7
|
Rhagfyr 2012
|
76.7
|
78.0
|
Ionawr 2013
|
73.8
|
77.7
|
Chwefror 2013
|
75.3
|
78.1
|
Mawrth 2013
|
76.2
|
77.7
|
Ebrill 2013
|
78.8
|
79.8
|
Mai 2013
|
77.9
|
80.2
|
Mehefin 2013
|
78.8
|
80.7
|
Gorffennaf 2013
|
79.8
|
83.0
|
Awst 2013
|
80.0
|
83.7
|
Medi 2013
|
82.3
|
84.8
|
Hydref 2013
|
83.4
|
84.5
|
Tachwedd 2013
|
84.4
|
85.4
|
Rhagfyr 2013
|
87.6
|
87.4
|
Ionawr 2014
|
87.1
|
88.5
|
Chwefror 2014
|
89.0
|
88.8
|
Mawrth 2014
|
89.4
|
89.7
|
Ebrill 2014
|
92.7
|
93.2
|
Mai 2014
|
95.2
|
95.0
|
Mehefin 2014
|
95.2
|
96.2
|
Gorffennaf 2014
|
96.1
|
99.3
|
Awst 2014
|
97.6
|
100.8
|
Medi 2014
|
97.4
|
100.5
|
Hydref 2014
|
97.7
|
100.1
|
Tachwedd 2014
|
96.4
|
99.8
|
Rhagfyr 2014
|
99.5
|
100.1
|
Ionawr 2015
|
100.0
|
100.0
|
Chwefror 2015
|
101.3
|
100.4
|
Mawrth 2015
|
100.7
|
100.4
|
Ebrill 2015
|
102.0
|
101.9
|
Mai 2015
|
102.9
|
103.2
|
Mehefin 2015
|
101.0
|
104.4
|
Gorffennaf 2015
|
105.1
|
107.3
|
Awst 2015
|
105.1
|
108.6
|
Medi 2015
|
106.1
|
109.4
|
Hydref 2015
|
107.2
|
109.5
|
Tachwedd 2015
|
108.0
|
110.8
|
Rhagfyr 2015
|
112.0
|
111.7
|
Ionawr 2016
|
112.7
|
113.6
|
Chwefror 2016
|
109.9
|
114.0
|
Mawrth 2016
|
109.5
|
115.8
|
Ebrill 2016
|
116.2
|
114.3
|
Mai 2016
|
119.9
|
115.7
|
Mehefin 2016
|
115.8
|
116.2
|
Gorffennaf 2016
|
116.5
|
118.2
|
Awst 2016
|
115.7
|
117.3
|
Medi 2016
|
116.2
|
117.2
|
Hydref 2016
|
118.6
|
116.8
|
Tachwedd 2016
|
117.6
|
116.8
|
Rhagfyr 2016
|
117.8
|
117.2
|
Ionawr 2017
|
121.0
|
117.8
|
Chwefror 2017
|
122.6
|
118.0
|
Mawrth 2017
|
119.9
|
117.9
|
Ebrill 2017
|
120.8
|
118.9
|
Mai 2017
|
120.6
|
119.3
|
Mehefin 2017
|
118.7
|
119.2
|
Gorffennaf 2017
|
121.6
|
121.2
|
Awst 2017
|
120.2
|
120.9
|
Medi 2017
|
120.9
|
120.0
|
Hydref 2017
|
122.1
|
119.4
|
Tachwedd 2017
|
117.4
|
118.3
|
Rhagfyr 2017
|
118.4
|
118.4
|
Ionawr 2018
|
121.8
|
118.9
|
Chwefror 2018
|
125.9
|
117.5
|
Mawrth 2018
|
120.0
|
117.0
|
Ebrill 2018
|
122.3
|
118.0
|