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
|
Tai teras
|
Ionawr 2010
|
279724.0
|
525410.0
|
335145.0
|
283569.0
|
Chwefror 2010
|
278753.0
|
524431.0
|
335551.0
|
282885.0
|
Mawrth 2010
|
280472.0
|
532768.0
|
335940.0
|
281836.0
|
Ebrill 2010
|
281981.0
|
530526.0
|
337788.0
|
284471.0
|
Mai 2010
|
281762.0
|
532230.0
|
337877.0
|
285520.0
|
Mehefin 2010
|
284541.0
|
536235.0
|
340019.0
|
288347.0
|
Gorffennaf 2010
|
292772.0
|
560177.0
|
351466.0
|
298269.0
|
Awst 2010
|
290646.0
|
552684.0
|
352306.0
|
295010.0
|
Medi 2010
|
290093.0
|
559284.0
|
350133.0
|
294941.0
|
Hydref 2010
|
286131.0
|
548402.0
|
345578.0
|
289873.0
|
Tachwedd 2010
|
282290.0
|
545732.0
|
343402.0
|
284672.0
|
Rhagfyr 2010
|
285353.0
|
545247.0
|
344640.0
|
287916.0
|
Ionawr 2011
|
287983.0
|
561353.0
|
347089.0
|
291581.0
|
Chwefror 2011
|
285227.0
|
556285.0
|
343860.0
|
286549.0
|
Mawrth 2011
|
287092.0
|
559907.0
|
342214.0
|
287434.0
|
Ebrill 2011
|
293993.0
|
556813.0
|
346657.0
|
295121.0
|
Mai 2011
|
284722.0
|
539789.0
|
342357.0
|
286936.0
|
Mehefin 2011
|
285906.0
|
534579.0
|
340812.0
|
287950.0
|
Gorffennaf 2011
|
295843.0
|
555115.0
|
350495.0
|
298117.0
|
Awst 2011
|
294903.0
|
558789.0
|
354046.0
|
299996.0
|
Medi 2011
|
295358.0
|
566622.0
|
353417.0
|
299513.0
|
Hydref 2011
|
292267.0
|
565503.0
|
354002.0
|
294911.0
|
Tachwedd 2011
|
291036.0
|
559120.0
|
348955.0
|
291888.0
|
Rhagfyr 2011
|
292284.0
|
553602.0
|
350948.0
|
294428.0
|
Ionawr 2012
|
294360.0
|
554780.0
|
352985.0
|
297924.0
|
Chwefror 2012
|
292381.0
|
569459.0
|
354995.0
|
297507.0
|
Mawrth 2012
|
290379.0
|
544127.0
|
345599.0
|
294550.0
|
Ebrill 2012
|
299065.0
|
561806.0
|
354724.0
|
301792.0
|
Mai 2012
|
304081.0
|
570424.0
|
361779.0
|
308408.0
|
Mehefin 2012
|
306823.0
|
567821.0
|
361738.0
|
312798.0
|
Gorffennaf 2012
|
308962.0
|
580113.0
|
366704.0
|
315144.0
|
Awst 2012
|
310043.0
|
582142.0
|
368878.0
|
316895.0
|
Medi 2012
|
308469.0
|
579776.0
|
365664.0
|
314230.0
|
Hydref 2012
|
310281.0
|
580841.0
|
367792.0
|
314956.0
|
Tachwedd 2012
|
308540.0
|
579766.0
|
366472.0
|
313951.0
|
Rhagfyr 2012
|
313744.0
|
584430.0
|
368743.0
|
319691.0
|
Ionawr 2013
|
311364.0
|
585417.0
|
371472.0
|
316619.0
|
Chwefror 2013
|
313550.0
|
584924.0
|
369428.0
|
318273.0
|
Mawrth 2013
|
312289.0
|
587252.0
|
369862.0
|
317191.0
|
Ebrill 2013
|
320921.0
|
592752.0
|
374400.0
|
325254.0
|
Mai 2013
|
322324.0
|
600796.0
|
379979.0
|
327099.0
|
Mehefin 2013
|
324518.0
|
600375.0
|
380448.0
|
330385.0
|
Gorffennaf 2013
|
332988.0
|
612056.0
|
388303.0
|
339351.0
|
Awst 2013
|
335743.0
|
621017.0
|
394860.0
|
343054.0
|
Medi 2013
|
340494.0
|
627915.0
|
394236.0
|
346089.0
|
Hydref 2013
|
340045.0
|
629328.0
|
398386.0
|
343921.0
|
Tachwedd 2013
|
343749.0
|
631279.0
|
401464.0
|
348311.0
|
Rhagfyr 2013
|
352028.0
|
632546.0
|
405661.0
|
355889.0
|
Ionawr 2014
|
355830.0
|
651986.0
|
413770.0
|
360184.0
|
Chwefror 2014
|
357876.0
|
657774.0
|
415632.0
|
361192.0
|
Mawrth 2014
|
361400.0
|
656427.0
|
417649.0
|
365214.0
|
Ebrill 2014
|
375337.0
|
688122.0
|
435644.0
|
381773.0
|
Mai 2014
|
382705.0
|
692487.0
|
441186.0
|
388249.0
|
Mehefin 2014
|
387182.0
|
699099.0
|
446329.0
|
393924.0
|
Gorffennaf 2014
|
398737.0
|
728491.0
|
465103.0
|
407975.0
|
Awst 2014
|
404754.0
|
739313.0
|
471552.0
|
414689.0
|
Medi 2014
|
403670.0
|
738828.0
|
468585.0
|
411840.0
|
Hydref 2014
|
402300.0
|
741040.0
|
470849.0
|
410173.0
|
Tachwedd 2014
|
400803.0
|
743115.0
|
472027.0
|
409211.0
|
Rhagfyr 2014
|
402898.0
|
739606.0
|
469349.0
|
409482.0
|
Ionawr 2015
|
402847.0
|
743471.0
|
471904.0
|
408951.0
|
Chwefror 2015
|
404773.0
|
748417.0
|
473702.0
|
410966.0
|
Mawrth 2015
|
404706.0
|
746670.0
|
474072.0
|
410639.0
|
Ebrill 2015
|
410445.0
|
759614.0
|
480438.0
|
419154.0
|
Mai 2015
|
415817.0
|
758190.0
|
485444.0
|
422193.0
|
Mehefin 2015
|
419474.0
|
772089.0
|
493081.0
|
431687.0
|
Gorffennaf 2015
|
431644.0
|
787783.0
|
506181.0
|
443661.0
|
Awst 2015
|
436152.0
|
805864.0
|
514997.0
|
448942.0
|
Medi 2015
|
439729.0
|
820565.0
|
517030.0
|
450734.0
|
Hydref 2015
|
440484.0
|
824799.0
|
525228.0
|
455397.0
|
Tachwedd 2015
|
445485.0
|
828661.0
|
528318.0
|
458454.0
|
Rhagfyr 2015
|
450053.0
|
844884.0
|
536465.0
|
462912.0
|
Ionawr 2016
|
457466.0
|
846956.0
|
546758.0
|
470317.0
|
Chwefror 2016
|
457759.0
|
863896.0
|
550400.0
|
472651.0
|
Mawrth 2016
|
464647.0
|
873391.0
|
549954.0
|
477329.0
|
Ebrill 2016
|
461068.0
|
859832.0
|
551600.0
|
477313.0
|
Mai 2016
|
467485.0
|
864839.0
|
557920.0
|
481745.0
|
Mehefin 2016
|
468120.0
|
885121.0
|
560281.0
|
483455.0
|
Gorffennaf 2016
|
475530.0
|
893103.0
|
572688.0
|
493363.0
|
Awst 2016
|
471957.0
|
889075.0
|
568552.0
|
488355.0
|
Medi 2016
|
471767.0
|
883706.0
|
565376.0
|
486660.0
|
Hydref 2016
|
471008.0
|
883336.0
|
565977.0
|
482452.0
|
Tachwedd 2016
|
470854.0
|
886553.0
|
562093.0
|
480836.0
|
Rhagfyr 2016
|
472374.0
|
887005.0
|
562272.0
|
483479.0
|
Ionawr 2017
|
475619.0
|
893279.0
|
568911.0
|
487710.0
|
Chwefror 2017
|
476717.0
|
887959.0
|
563242.0
|
482631.0
|
Mawrth 2017
|
475442.0
|
893859.0
|
566834.0
|
485460.0
|
Ebrill 2017
|
479790.0
|
899133.0
|
567701.0
|
488136.0
|
Mai 2017
|
480902.0
|
890430.0
|
571569.0
|
487874.0
|
Mehefin 2017
|
480152.0
|
890539.0
|
569116.0
|
490877.0
|
Gorffennaf 2017
|
488527.0
|
903023.0
|
582307.0
|
499705.0
|
Awst 2017
|
487085.0
|
904655.0
|
579880.0
|
501173.0
|
Medi 2017
|
483833.0
|
913220.0
|
578519.0
|
496318.0
|
Hydref 2017
|
481762.0
|
908782.0
|
580410.0
|
494013.0
|
Tachwedd 2017
|
476290.0
|
892900.0
|
573421.0
|
488341.0
|
Rhagfyr 2017
|
476848.0
|
899100.0
|
573194.0
|
489692.0
|
Ionawr 2018
|
479772.0
|
895602.0
|
576870.0
|
490615.0
|
Chwefror 2018
|
477860.0
|
898057.0
|
574508.0
|
489511.0
|
Mawrth 2018
|
472357.0
|
890041.0
|
572169.0
|
487242.0
|
Ebrill 2018
|
477253.0
|
898928.0
|
579191.0
|
493274.0
|
Mai 2018
|
478485.0
|
903088.0
|
581868.0
|
497350.0
|
Mehefin 2018
|
479931.0
|
909153.0
|
587607.0
|
497145.0
|
Gorffennaf 2018
|
484724.0
|
929011.0
|
591665.0
|
504801.0
|
Awst 2018
|
479550.0
|
912509.0
|
583664.0
|
498383.0
|
Medi 2018
|
476545.0
|
912657.0
|
583686.0
|
496528.0
|
Hydref 2018
|
480057.0
|
919012.0
|
586432.0
|
498816.0
|
Tachwedd 2018
|
474347.0
|
913641.0
|
580831.0
|
494653.0
|
Rhagfyr 2018
|
473252.0
|
899415.0
|
579876.0
|
490483.0
|
Ionawr 2019
|
470067.0
|
909861.0
|
578054.0
|
488264.0
|
Chwefror 2019
|
466068.0
|
897130.0
|
571003.0
|
484811.0
|
Mawrth 2019
|
464162.0
|
879600.0
|
566491.0
|
483203.0
|
Ebrill 2019
|
469537.0
|
886952.0
|
570672.0
|
489897.0
|
Mai 2019
|
463628.0
|
877723.0
|
567219.0
|
486645.0
|
Mehefin 2019
|
470519.0
|
892527.0
|
579285.0
|
491488.0
|
Gorffennaf 2019
|
478505.0
|
900158.0
|
581341.0
|
499058.0
|
Awst 2019
|
472729.0
|
902797.0
|
580661.0
|
500513.0
|
Medi 2019
|
477146.0
|
901921.0
|
578597.0
|
498570.0
|
Hydref 2019
|
472668.0
|
901258.0
|
584448.0
|
495293.0
|
Tachwedd 2019
|
468757.0
|
904492.0
|
580116.0
|
495186.0
|
Rhagfyr 2019
|
479153.0
|
908784.0
|
584771.0
|
502617.0
|
Ionawr 2020
|
475948.0
|
892166.0
|
580151.0
|
498319.0
|
Chwefror 2020
|
474480.0
|
913264.0
|
584538.0
|
501384.0
|
Mawrth 2020
|
482605.0
|
917831.0
|
591621.0
|
505497.0
|
Ebrill 2020
|
476159.0
|
921807.0
|
585408.0
|
502673.0
|
Mai 2020
|
473225.0
|
907980.0
|
582060.0
|
497618.0
|
Mehefin 2020
|
479969.0
|
906997.0
|
593008.0
|
510449.0
|
Gorffennaf 2020
|
483830.0
|
920274.0
|
595144.0
|
511049.0
|
Awst 2020
|
489424.0
|
937891.0
|
606544.0
|
521320.0
|
Medi 2020
|
493205.0
|
941153.0
|
609487.0
|
525821.0
|
Hydref 2020
|
486212.0
|
939399.0
|
605395.0
|
522700.0
|
Tachwedd 2020
|
494552.0
|
959523.0
|
616305.0
|
531341.0
|
Rhagfyr 2020
|
494193.0
|
957470.0
|
618971.0
|
532917.0
|
Ionawr 2021
|
494231.0
|
939149.0
|
611753.0
|
526266.0
|
Chwefror 2021
|
490544.0
|
931191.0
|
607236.0
|
520691.0
|
Mawrth 2021
|
499098.0
|
935118.0
|
612032.0
|
528018.0
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai pâr
|
Tai teras
|
Ionawr 2010
|
10.5
|
8.3
|
11.4
|
13.4
|
Chwefror 2010
|
11.6
|
12.7
|
13.2
|
14.4
|
Mawrth 2010
|
13.4
|
15.6
|
15.1
|
15.5
|
Ebrill 2010
|
14.9
|
16.2
|
15.7
|
16.6
|
Mai 2010
|
12.7
|
15.1
|
14.2
|
15.1
|
Mehefin 2010
|
12.2
|
14.4
|
13.5
|
13.4
|
Gorffennaf 2010
|
12.7
|
15.6
|
13.3
|
14.2
|
Awst 2010
|
10.9
|
12.4
|
12.1
|
11.8
|
Medi 2010
|
8.4
|
12.5
|
10.5
|
10.2
|
Hydref 2010
|
6.5
|
8.6
|
7.4
|
7.2
|
Tachwedd 2010
|
5.8
|
8.9
|
8.0
|
5.4
|
Rhagfyr 2010
|
5.6
|
8.5
|
6.4
|
5.3
|
Ionawr 2011
|
3.0
|
6.8
|
3.6
|
2.8
|
Chwefror 2011
|
2.3
|
6.1
|
2.5
|
1.3
|
Mawrth 2011
|
2.4
|
5.1
|
1.9
|
2.0
|
Ebrill 2011
|
4.3
|
5.0
|
2.6
|
3.7
|
Mai 2011
|
1.0
|
1.4
|
1.3
|
0.5
|
Mehefin 2011
|
0.5
|
-0.3
|
0.2
|
-0.1
|
Gorffennaf 2011
|
1.0
|
-0.9
|
-0.3
|
-0.1
|
Awst 2011
|
1.5
|
1.1
|
0.5
|
1.7
|
Medi 2011
|
1.8
|
1.3
|
0.9
|
1.6
|
Hydref 2011
|
2.1
|
3.1
|
2.4
|
1.7
|
Tachwedd 2011
|
3.1
|
2.4
|
1.6
|
2.5
|
Rhagfyr 2011
|
2.4
|
1.5
|
1.8
|
2.3
|
Ionawr 2012
|
2.2
|
-1.2
|
1.7
|
2.2
|
Chwefror 2012
|
2.5
|
2.4
|
3.2
|
3.8
|
Mawrth 2012
|
1.1
|
-2.8
|
1.0
|
2.5
|
Ebrill 2012
|
1.7
|
0.9
|
2.3
|
2.3
|
Mai 2012
|
6.8
|
5.7
|
5.7
|
7.5
|
Mehefin 2012
|
7.3
|
6.2
|
6.1
|
8.6
|
Gorffennaf 2012
|
4.4
|
4.5
|
4.6
|
5.7
|
Awst 2012
|
5.1
|
4.2
|
4.2
|
5.6
|
Medi 2012
|
4.4
|
2.3
|
3.5
|
4.9
|
Hydref 2012
|
6.2
|
2.7
|
3.9
|
6.8
|
Tachwedd 2012
|
6.0
|
3.7
|
5.0
|
7.6
|
Rhagfyr 2012
|
7.3
|
5.6
|
5.1
|
8.6
|
Ionawr 2013
|
5.8
|
5.5
|
5.2
|
6.3
|
Chwefror 2013
|
7.2
|
2.7
|
4.1
|
7.0
|
Mawrth 2013
|
7.6
|
7.9
|
7.0
|
7.7
|
Ebrill 2013
|
7.3
|
5.5
|
5.6
|
7.8
|
Mai 2013
|
6.0
|
5.3
|
5.0
|
6.1
|
Mehefin 2013
|
5.8
|
5.7
|
5.2
|
5.6
|
Gorffennaf 2013
|
7.8
|
5.5
|
5.9
|
7.7
|
Awst 2013
|
8.3
|
6.7
|
7.0
|
8.2
|
Medi 2013
|
10.4
|
8.3
|
7.8
|
10.1
|
Hydref 2013
|
9.6
|
8.4
|
8.3
|
9.2
|
Tachwedd 2013
|
11.4
|
8.9
|
9.6
|
10.9
|
Rhagfyr 2013
|
12.2
|
8.2
|
10.0
|
11.3
|
Ionawr 2014
|
14.3
|
11.4
|
11.4
|
13.8
|
Chwefror 2014
|
14.1
|
12.4
|
12.5
|
13.5
|
Mawrth 2014
|
15.7
|
11.8
|
12.9
|
15.1
|
Ebrill 2014
|
17.0
|
16.1
|
16.4
|
17.4
|
Mai 2014
|
18.7
|
15.3
|
16.1
|
18.7
|
Mehefin 2014
|
19.3
|
16.4
|
17.3
|
19.2
|
Gorffennaf 2014
|
19.8
|
19.0
|
19.8
|
20.2
|
Awst 2014
|
20.6
|
19.0
|
19.4
|
20.9
|
Medi 2014
|
18.6
|
17.7
|
18.9
|
19.0
|
Hydref 2014
|
18.3
|
17.8
|
18.2
|
19.3
|
Tachwedd 2014
|
16.6
|
17.7
|
17.6
|
17.5
|
Rhagfyr 2014
|
14.4
|
16.9
|
15.7
|
15.1
|
Ionawr 2015
|
13.2
|
14.0
|
14.0
|
13.5
|
Chwefror 2015
|
13.1
|
13.8
|
14.0
|
13.8
|
Mawrth 2015
|
12.0
|
13.8
|
13.5
|
12.4
|
Ebrill 2015
|
9.4
|
10.4
|
10.3
|
9.8
|
Mai 2015
|
8.6
|
9.5
|
10.0
|
8.7
|
Mehefin 2015
|
8.3
|
10.4
|
10.5
|
9.6
|
Gorffennaf 2015
|
8.2
|
8.1
|
8.8
|
8.8
|
Awst 2015
|
7.8
|
9.0
|
9.2
|
8.3
|
Medi 2015
|
8.9
|
11.1
|
10.3
|
9.4
|
Hydref 2015
|
9.5
|
11.3
|
11.6
|
11.0
|
Tachwedd 2015
|
11.2
|
11.5
|
11.9
|
12.0
|
Rhagfyr 2015
|
11.7
|
14.2
|
14.3
|
13.0
|
Ionawr 2016
|
13.6
|
13.9
|
15.9
|
15.0
|
Chwefror 2016
|
13.1
|
15.4
|
16.2
|
15.0
|
Mawrth 2016
|
14.8
|
17.0
|
16.0
|
16.2
|
Ebrill 2016
|
12.3
|
13.2
|
14.8
|
13.9
|
Mai 2016
|
12.4
|
14.1
|
14.9
|
14.1
|
Mehefin 2016
|
11.6
|
14.6
|
13.6
|
12.0
|
Gorffennaf 2016
|
10.2
|
13.4
|
13.1
|
11.2
|
Awst 2016
|
8.2
|
10.3
|
10.4
|
8.8
|
Medi 2016
|
7.3
|
7.7
|
9.4
|
8.0
|
Hydref 2016
|
6.9
|
7.1
|
7.8
|
5.9
|
Tachwedd 2016
|
5.7
|
7.0
|
6.4
|
4.9
|
Rhagfyr 2016
|
5.0
|
5.0
|
4.8
|
4.4
|
Ionawr 2017
|
4.0
|
5.5
|
4.0
|
3.7
|
Chwefror 2017
|
4.1
|
2.8
|
2.3
|
2.1
|
Mawrth 2017
|
2.3
|
2.3
|
3.1
|
1.7
|
Ebrill 2017
|
4.1
|
4.6
|
2.9
|
2.3
|
Mai 2017
|
2.9
|
3.0
|
2.4
|
1.3
|
Mehefin 2017
|
2.6
|
0.6
|
1.6
|
1.5
|
Gorffennaf 2017
|
2.7
|
1.1
|
1.7
|
1.3
|
Awst 2017
|
3.2
|
1.8
|
2.0
|
2.6
|
Medi 2017
|
2.6
|
3.3
|
2.3
|
2.0
|
Hydref 2017
|
2.3
|
2.9
|
2.6
|
2.4
|
Tachwedd 2017
|
1.2
|
0.7
|
2.0
|
1.6
|
Rhagfyr 2017
|
1.0
|
1.4
|
1.9
|
1.3
|
Ionawr 2018
|
0.9
|
0.3
|
1.4
|
0.6
|
Chwefror 2018
|
0.2
|
1.1
|
2.0
|
1.4
|
Mawrth 2018
|
-0.6
|
-0.4
|
0.9
|
0.4
|
Ebrill 2018
|
-0.5
|
-0.0
|
2.0
|
1.0
|
Mai 2018
|
-0.5
|
1.4
|
1.8
|
1.9
|
Mehefin 2018
|
-0.1
|
2.1
|
3.2
|
1.3
|
Gorffennaf 2018
|
-0.8
|
2.9
|
1.6
|
1.0
|
Awst 2018
|
-1.6
|
0.9
|
0.6
|
-0.6
|
Medi 2018
|
-1.5
|
-0.1
|
0.9
|
0.0
|
Hydref 2018
|
-0.4
|
1.1
|
1.0
|
1.0
|
Tachwedd 2018
|
-0.4
|
2.3
|
1.3
|
1.3
|
Rhagfyr 2018
|
-0.8
|
0.0
|
1.2
|
0.2
|
Ionawr 2019
|
-2.0
|
1.6
|
0.2
|
-0.5
|
Chwefror 2019
|
-2.5
|
-0.1
|
-0.6
|
-1.0
|
Mawrth 2019
|
-1.7
|
-1.2
|
-1.0
|
-0.8
|
Ebrill 2019
|
-1.6
|
-1.3
|
-1.5
|
-0.7
|
Mai 2019
|
-3.1
|
-2.8
|
-2.5
|
-2.2
|
Mehefin 2019
|
-2.0
|
-1.8
|
-1.4
|
-1.1
|
Gorffennaf 2019
|
-1.3
|
-3.1
|
-1.7
|
-1.1
|
Awst 2019
|
-1.4
|
-1.1
|
-0.5
|
0.4
|
Medi 2019
|
0.1
|
-1.2
|
-0.9
|
0.4
|
Hydref 2019
|
-1.5
|
-1.9
|
-0.3
|
-0.7
|
Tachwedd 2019
|
-1.2
|
-1.0
|
-0.1
|
0.1
|
Rhagfyr 2019
|
1.2
|
1.0
|
0.8
|
2.5
|
Ionawr 2020
|
1.2
|
-1.9
|
0.4
|
2.1
|
Chwefror 2020
|
1.8
|
1.8
|
2.4
|
3.4
|
Mawrth 2020
|
4.0
|
4.4
|
4.4
|
4.6
|
Ebrill 2020
|
1.4
|
3.9
|
2.6
|
2.6
|
Mai 2020
|
2.1
|
3.4
|
2.6
|
2.2
|
Mehefin 2020
|
2.0
|
1.6
|
2.4
|
3.9
|
Gorffennaf 2020
|
1.1
|
2.2
|
2.4
|
2.4
|
Awst 2020
|
3.5
|
3.9
|
4.5
|
4.2
|
Medi 2020
|
3.4
|
4.4
|
5.3
|
5.5
|
Hydref 2020
|
2.9
|
4.2
|
3.6
|
5.5
|
Tachwedd 2020
|
5.5
|
6.1
|
6.2
|
7.3
|
Rhagfyr 2020
|
3.1
|
5.4
|
5.8
|
6.0
|
Ionawr 2021
|
3.8
|
5.3
|
5.4
|
5.6
|
Chwefror 2021
|
3.4
|
2.0
|
3.9
|
3.9
|
Mawrth 2021
|
3.4
|
1.9
|
3.4
|
4.5
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai pâr
|
Tai teras
|
Ionawr 2010
|
3.6
|
4.5
|
3.5
|
3.8
|
Chwefror 2010
|
-0.4
|
-0.2
|
0.1
|
-0.2
|
Mawrth 2010
|
0.6
|
1.6
|
0.1
|
-0.4
|
Ebrill 2010
|
0.5
|
-0.4
|
0.6
|
0.9
|
Mai 2010
|
-0.1
|
0.3
|
0.0
|
0.4
|
Mehefin 2010
|
1.0
|
0.8
|
0.6
|
1.0
|
Gorffennaf 2010
|
2.9
|
4.5
|
3.4
|
3.4
|
Awst 2010
|
-0.7
|
-1.3
|
0.2
|
-1.1
|
Medi 2010
|
-0.2
|
1.2
|
-0.6
|
-0.0
|
Hydref 2010
|
-1.4
|
-2.0
|
-1.3
|
-1.7
|
Tachwedd 2010
|
-1.3
|
-0.5
|
-0.6
|
-1.8
|
Rhagfyr 2010
|
1.1
|
-0.1
|
0.4
|
1.1
|
Ionawr 2011
|
0.9
|
3.0
|
0.7
|
1.3
|
Chwefror 2011
|
-1.0
|
-0.9
|
-0.9
|
-1.7
|
Mawrth 2011
|
0.6
|
0.6
|
-0.5
|
0.3
|
Ebrill 2011
|
2.4
|
-0.6
|
1.3
|
2.7
|
Mai 2011
|
-3.2
|
-3.1
|
-1.2
|
-2.8
|
Mehefin 2011
|
0.4
|
-1.0
|
-0.4
|
0.4
|
Gorffennaf 2011
|
3.5
|
3.8
|
2.8
|
3.5
|
Awst 2011
|
-0.3
|
0.7
|
1.0
|
0.6
|
Medi 2011
|
0.2
|
1.4
|
-0.2
|
-0.2
|
Hydref 2011
|
-1.0
|
-0.2
|
0.2
|
-1.5
|
Tachwedd 2011
|
-0.4
|
-1.1
|
-1.4
|
-1.0
|
Rhagfyr 2011
|
0.4
|
-1.0
|
0.6
|
0.9
|
Ionawr 2012
|
0.7
|
0.2
|
0.6
|
1.2
|
Chwefror 2012
|
-0.7
|
2.6
|
0.6
|
-0.1
|
Mawrth 2012
|
-0.7
|
-4.4
|
-2.6
|
-1.0
|
Ebrill 2012
|
3.0
|
3.2
|
2.6
|
2.5
|
Mai 2012
|
1.7
|
1.5
|
2.0
|
2.2
|
Mehefin 2012
|
0.9
|
-0.5
|
-0.0
|
1.4
|
Gorffennaf 2012
|
0.7
|
2.2
|
1.4
|
0.8
|
Awst 2012
|
0.4
|
0.4
|
0.6
|
0.6
|
Medi 2012
|
-0.5
|
-0.4
|
-0.9
|
-0.8
|
Hydref 2012
|
0.6
|
0.2
|
0.6
|
0.2
|
Tachwedd 2012
|
-0.6
|
-0.2
|
-0.4
|
-0.3
|
Rhagfyr 2012
|
1.7
|
0.8
|
0.6
|
1.8
|
Ionawr 2013
|
-0.8
|
0.2
|
0.7
|
-1.0
|
Chwefror 2013
|
0.7
|
-0.1
|
-0.6
|
0.5
|
Mawrth 2013
|
-0.4
|
0.4
|
0.1
|
-0.3
|
Ebrill 2013
|
2.8
|
0.9
|
1.2
|
2.5
|
Mai 2013
|
0.4
|
1.4
|
1.5
|
0.6
|
Mehefin 2013
|
0.7
|
-0.1
|
0.1
|
1.0
|
Gorffennaf 2013
|
2.6
|
2.0
|
2.1
|
2.7
|
Awst 2013
|
0.8
|
1.5
|
1.7
|
1.1
|
Medi 2013
|
1.4
|
1.1
|
-0.2
|
0.9
|
Hydref 2013
|
-0.1
|
0.2
|
1.0
|
-0.6
|
Tachwedd 2013
|
1.1
|
0.3
|
0.8
|
1.3
|
Rhagfyr 2013
|
2.4
|
0.2
|
1.0
|
2.2
|
Ionawr 2014
|
1.1
|
3.1
|
2.0
|
1.2
|
Chwefror 2014
|
0.6
|
0.9
|
0.4
|
0.3
|
Mawrth 2014
|
1.0
|
-0.2
|
0.5
|
1.1
|
Ebrill 2014
|
3.9
|
4.8
|
4.3
|
4.5
|
Mai 2014
|
2.0
|
0.6
|
1.3
|
1.7
|
Mehefin 2014
|
1.2
|
1.0
|
1.2
|
1.5
|
Gorffennaf 2014
|
3.0
|
4.2
|
4.2
|
3.6
|
Awst 2014
|
1.5
|
1.5
|
1.4
|
1.6
|
Medi 2014
|
-0.3
|
-0.1
|
-0.6
|
-0.7
|
Hydref 2014
|
-0.3
|
0.3
|
0.5
|
-0.4
|
Tachwedd 2014
|
-0.4
|
0.3
|
0.2
|
-0.2
|
Rhagfyr 2014
|
0.5
|
-0.5
|
-0.6
|
0.1
|
Ionawr 2015
|
-0.0
|
0.5
|
0.5
|
-0.1
|
Chwefror 2015
|
0.5
|
0.7
|
0.4
|
0.5
|
Mawrth 2015
|
-0.0
|
-0.2
|
0.1
|
-0.1
|
Ebrill 2015
|
1.4
|
1.7
|
1.3
|
2.1
|
Mai 2015
|
1.3
|
-0.2
|
1.0
|
0.7
|
Mehefin 2015
|
0.9
|
1.8
|
1.6
|
2.2
|
Gorffennaf 2015
|
2.9
|
2.0
|
2.7
|
2.8
|
Awst 2015
|
1.0
|
2.3
|
1.7
|
1.2
|
Medi 2015
|
0.8
|
1.8
|
0.4
|
0.4
|
Hydref 2015
|
0.2
|
0.5
|
1.6
|
1.0
|
Tachwedd 2015
|
1.1
|
0.5
|
0.6
|
0.7
|
Rhagfyr 2015
|
1.0
|
2.0
|
1.5
|
1.0
|
Ionawr 2016
|
1.6
|
0.2
|
1.9
|
1.6
|
Chwefror 2016
|
0.1
|
2.0
|
0.7
|
0.5
|
Mawrth 2016
|
1.5
|
1.1
|
-0.1
|
1.0
|
Ebrill 2016
|
-0.8
|
-1.6
|
0.3
|
0.0
|
Mai 2016
|
1.4
|
0.6
|
1.2
|
0.9
|
Mehefin 2016
|
0.1
|
2.4
|
0.4
|
0.4
|
Gorffennaf 2016
|
1.6
|
0.9
|
2.2
|
2.0
|
Awst 2016
|
-0.8
|
-0.4
|
-0.7
|
-1.0
|
Medi 2016
|
-0.0
|
-0.6
|
-0.6
|
-0.4
|
Hydref 2016
|
-0.2
|
-0.0
|
0.1
|
-0.9
|
Tachwedd 2016
|
-0.0
|
0.4
|
-0.7
|
-0.3
|
Rhagfyr 2016
|
0.3
|
0.1
|
0.0
|
0.6
|
Ionawr 2017
|
0.7
|
0.7
|
1.2
|
0.9
|
Chwefror 2017
|
0.2
|
-0.6
|
-1.0
|
-1.0
|
Mawrth 2017
|
-0.3
|
0.7
|
0.6
|
0.6
|
Ebrill 2017
|
0.9
|
0.6
|
0.2
|
0.6
|
Mai 2017
|
0.2
|
-1.0
|
0.7
|
-0.1
|
Mehefin 2017
|
-0.2
|
0.0
|
-0.4
|
0.6
|
Gorffennaf 2017
|
1.7
|
1.4
|
2.3
|
1.8
|
Awst 2017
|
-0.3
|
0.2
|
-0.4
|
0.3
|
Medi 2017
|
-0.7
|
1.0
|
-0.2
|
-1.0
|
Hydref 2017
|
-0.4
|
-0.5
|
0.3
|
-0.5
|
Tachwedd 2017
|
-1.1
|
-1.8
|
-1.2
|
-1.2
|
Rhagfyr 2017
|
0.1
|
0.7
|
-0.0
|
0.3
|
Ionawr 2018
|
0.6
|
-0.4
|
0.6
|
0.2
|
Chwefror 2018
|
-0.4
|
0.3
|
-0.4
|
-0.2
|
Mawrth 2018
|
-1.2
|
-0.9
|
-0.4
|
-0.5
|
Ebrill 2018
|
1.0
|
1.0
|
1.2
|
1.2
|
Mai 2018
|
0.3
|
0.5
|
0.5
|
0.8
|
Mehefin 2018
|
0.3
|
0.7
|
1.0
|
-0.0
|
Gorffennaf 2018
|
1.0
|
2.2
|
0.7
|
1.5
|
Awst 2018
|
-1.1
|
-1.8
|
-1.4
|
-1.3
|
Medi 2018
|
-0.6
|
0.0
|
0.0
|
-0.4
|
Hydref 2018
|
0.7
|
0.7
|
0.5
|
0.5
|
Tachwedd 2018
|
-1.2
|
-0.6
|
-1.0
|
-0.8
|
Rhagfyr 2018
|
-0.2
|
-1.6
|
-0.2
|
-0.8
|
Ionawr 2019
|
-0.7
|
1.2
|
-0.3
|
-0.4
|
Chwefror 2019
|
-0.8
|
-1.4
|
-1.2
|
-0.7
|
Mawrth 2019
|
-0.4
|
-2.0
|
-0.8
|
-0.3
|
Ebrill 2019
|
1.2
|
0.8
|
0.7
|
1.4
|
Mai 2019
|
-1.3
|
-1.0
|
-0.6
|
-0.7
|
Mehefin 2019
|
1.5
|
1.7
|
2.1
|
1.0
|
Gorffennaf 2019
|
1.7
|
0.8
|
0.4
|
1.5
|
Awst 2019
|
-1.2
|
0.3
|
-0.1
|
0.3
|
Medi 2019
|
0.9
|
-0.1
|
-0.4
|
-0.4
|
Hydref 2019
|
-0.9
|
-0.1
|
1.0
|
-0.7
|
Tachwedd 2019
|
-0.8
|
0.4
|
-0.7
|
-0.0
|
Rhagfyr 2019
|
2.2
|
0.5
|
0.8
|
1.5
|
Ionawr 2020
|
-0.7
|
-1.8
|
-0.8
|
-0.9
|
Chwefror 2020
|
-0.3
|
2.4
|
0.8
|
0.6
|
Mawrth 2020
|
1.7
|
0.5
|
1.2
|
0.8
|
Ebrill 2020
|
-1.3
|
0.4
|
-1.0
|
-0.6
|
Mai 2020
|
-0.6
|
-1.5
|
-0.6
|
-1.0
|
Mehefin 2020
|
1.4
|
-0.1
|
1.9
|
2.6
|
Gorffennaf 2020
|
0.8
|
1.5
|
0.4
|
0.1
|
Awst 2020
|
1.2
|
1.9
|
1.9
|
2.0
|
Medi 2020
|
0.8
|
0.4
|
0.5
|
0.9
|
Hydref 2020
|
-1.4
|
-0.2
|
-0.7
|
-0.6
|
Tachwedd 2020
|
1.7
|
2.1
|
1.8
|
1.6
|
Rhagfyr 2020
|
-0.1
|
-0.2
|
0.4
|
0.3
|
Ionawr 2021
|
0.0
|
-1.9
|
-1.2
|
-1.2
|
Chwefror 2021
|
-0.7
|
-0.8
|
-0.7
|
-1.1
|
Mawrth 2021
|
1.7
|
0.4
|
0.8
|
1.4
|
Dyddiad
|
Pob math o eiddo
|
Tai ar wahân
|
Tai pâr
|
Tai teras
|
Ionawr 2010
|
69.4
|
70.7
|
71.0
|
69.3
|
Chwefror 2010
|
69.2
|
70.5
|
71.1
|
69.2
|
Mawrth 2010
|
69.6
|
71.7
|
71.2
|
68.9
|
Ebrill 2010
|
70.0
|
71.4
|
71.6
|
69.6
|
Mai 2010
|
69.9
|
71.6
|
71.6
|
69.8
|
Mehefin 2010
|
70.6
|
72.1
|
72.0
|
70.5
|
Gorffennaf 2010
|
72.7
|
75.4
|
74.5
|
72.9
|
Awst 2010
|
72.2
|
74.3
|
74.7
|
72.1
|
Medi 2010
|
72.0
|
75.2
|
74.2
|
72.1
|
Hydref 2010
|
71.0
|
73.8
|
73.2
|
70.9
|
Tachwedd 2010
|
70.1
|
73.4
|
72.8
|
69.6
|
Rhagfyr 2010
|
70.8
|
73.3
|
73.0
|
70.4
|
Ionawr 2011
|
71.5
|
75.5
|
73.6
|
71.3
|
Chwefror 2011
|
70.8
|
74.8
|
72.9
|
70.1
|
Mawrth 2011
|
71.3
|
75.3
|
72.5
|
70.3
|
Ebrill 2011
|
73.0
|
74.9
|
73.5
|
72.2
|
Mai 2011
|
70.7
|
72.6
|
72.6
|
70.2
|
Mehefin 2011
|
71.0
|
71.9
|
72.2
|
70.4
|
Gorffennaf 2011
|
73.4
|
74.7
|
74.3
|
72.9
|
Awst 2011
|
73.2
|
75.2
|
75.0
|
73.4
|
Medi 2011
|
73.3
|
76.2
|
74.9
|
73.2
|
Hydref 2011
|
72.6
|
76.1
|
75.0
|
72.1
|
Tachwedd 2011
|
72.2
|
75.2
|
74.0
|
71.4
|
Rhagfyr 2011
|
72.6
|
74.5
|
74.4
|
72.0
|
Ionawr 2012
|
73.1
|
74.6
|
74.8
|
72.8
|
Chwefror 2012
|
72.6
|
76.6
|
75.2
|
72.8
|
Mawrth 2012
|
72.1
|
73.2
|
73.2
|
72.0
|
Ebrill 2012
|
74.2
|
75.6
|
75.2
|
73.8
|
Mai 2012
|
75.5
|
76.7
|
76.7
|
75.4
|
Mehefin 2012
|
76.2
|
76.4
|
76.6
|
76.5
|
Gorffennaf 2012
|
76.7
|
78.0
|
77.7
|
77.1
|
Awst 2012
|
77.0
|
78.3
|
78.2
|
77.5
|
Medi 2012
|
76.6
|
78.0
|
77.5
|
76.8
|
Hydref 2012
|
77.0
|
78.1
|
77.9
|
77.0
|
Tachwedd 2012
|
76.6
|
78.0
|
77.7
|
76.8
|
Rhagfyr 2012
|
77.9
|
78.6
|
78.1
|
78.2
|
Ionawr 2013
|
77.3
|
78.7
|
78.7
|
77.4
|
Chwefror 2013
|
77.8
|
78.7
|
78.3
|
77.8
|
Mawrth 2013
|
77.5
|
79.0
|
78.4
|
77.6
|
Ebrill 2013
|
79.7
|
79.7
|
79.3
|
79.5
|
Mai 2013
|
80.0
|
80.8
|
80.5
|
80.0
|
Mehefin 2013
|
80.6
|
80.8
|
80.6
|
80.8
|
Gorffennaf 2013
|
82.7
|
82.3
|
82.3
|
83.0
|
Awst 2013
|
83.3
|
83.5
|
83.7
|
83.9
|
Medi 2013
|
84.5
|
84.5
|
83.5
|
84.6
|
Hydref 2013
|
84.4
|
84.6
|
84.4
|
84.1
|
Tachwedd 2013
|
85.3
|
84.9
|
85.1
|
85.2
|
Rhagfyr 2013
|
87.4
|
85.1
|
86.0
|
87.0
|
Ionawr 2014
|
88.3
|
87.7
|
87.7
|
88.1
|
Chwefror 2014
|
88.8
|
88.5
|
88.1
|
88.3
|
Mawrth 2014
|
89.7
|
88.3
|
88.5
|
89.3
|
Ebrill 2014
|
93.2
|
92.6
|
92.3
|
93.4
|
Mai 2014
|
95.0
|
93.1
|
93.5
|
94.9
|
Mehefin 2014
|
96.1
|
94.0
|
94.6
|
96.3
|
Gorffennaf 2014
|
99.0
|
98.0
|
98.6
|
99.8
|
Awst 2014
|
100.5
|
99.4
|
99.9
|
101.4
|
Medi 2014
|
100.2
|
99.4
|
99.3
|
100.7
|
Hydref 2014
|
99.9
|
99.7
|
99.8
|
100.3
|
Tachwedd 2014
|
99.5
|
100.0
|
100.0
|
100.1
|
Rhagfyr 2014
|
100.0
|
99.5
|
99.5
|
100.1
|
Ionawr 2015
|
100.0
|
100.0
|
100.0
|
100.0
|
Chwefror 2015
|
100.5
|
100.7
|
100.4
|
100.5
|
Mawrth 2015
|
100.5
|
100.4
|
100.5
|
100.4
|
Ebrill 2015
|
101.9
|
102.2
|
101.8
|
102.5
|
Mai 2015
|
103.2
|
102.0
|
102.9
|
103.2
|
Mehefin 2015
|
104.1
|
103.8
|
104.5
|
105.6
|
Gorffennaf 2015
|
107.2
|
106.0
|
107.3
|
108.5
|
Awst 2015
|
108.3
|
108.4
|
109.1
|
109.8
|
Medi 2015
|
109.2
|
110.4
|
109.6
|
110.2
|
Hydref 2015
|
109.3
|
110.9
|
111.3
|
111.4
|
Tachwedd 2015
|
110.6
|
111.5
|
112.0
|
112.1
|
Rhagfyr 2015
|
111.7
|
113.6
|
113.7
|
113.2
|
Ionawr 2016
|
113.6
|
113.9
|
115.9
|
115.0
|
Chwefror 2016
|
113.6
|
116.2
|
116.6
|
115.6
|
Mawrth 2016
|
115.3
|
117.5
|
116.5
|
116.7
|
Ebrill 2016
|
114.4
|
115.6
|
116.9
|
116.7
|
Mai 2016
|
116.0
|
116.3
|
118.2
|
117.8
|
Mehefin 2016
|
116.2
|
119.0
|
118.7
|
118.2
|
Gorffennaf 2016
|
118.0
|
120.1
|
121.4
|
120.6
|
Awst 2016
|
117.2
|
119.6
|
120.5
|
119.4
|
Medi 2016
|
117.1
|
118.9
|
119.8
|
119.0
|
Hydref 2016
|
116.9
|
118.8
|
119.9
|
118.0
|
Tachwedd 2016
|
116.9
|
119.2
|
119.1
|
117.6
|
Rhagfyr 2016
|
117.3
|
119.3
|
119.2
|
118.2
|
Ionawr 2017
|
118.1
|
120.2
|
120.6
|
119.3
|
Chwefror 2017
|
118.3
|
119.4
|
119.4
|
118.0
|
Mawrth 2017
|
118.0
|
120.2
|
120.1
|
118.7
|
Ebrill 2017
|
119.1
|
120.9
|
120.3
|
119.4
|
Mai 2017
|
119.4
|
119.8
|
121.1
|
119.3
|
Mehefin 2017
|
119.2
|
119.8
|
120.6
|
120.0
|
Gorffennaf 2017
|
121.3
|
121.5
|
123.4
|
122.2
|
Awst 2017
|
120.9
|
121.7
|
122.9
|
122.6
|
Medi 2017
|
120.1
|
122.8
|
122.6
|
121.4
|
Hydref 2017
|
119.6
|
122.2
|
123.0
|
120.8
|
Tachwedd 2017
|
118.2
|
120.1
|
121.5
|
119.4
|
Rhagfyr 2017
|
118.4
|
120.9
|
121.5
|
119.7
|
Ionawr 2018
|
119.1
|
120.5
|
122.2
|
120.0
|
Chwefror 2018
|
118.6
|
120.8
|
121.7
|
119.7
|
Mawrth 2018
|
117.2
|
119.7
|
121.2
|
119.1
|
Ebrill 2018
|
118.5
|
120.9
|
122.7
|
120.6
|
Mai 2018
|
118.8
|
121.5
|
123.3
|
121.6
|
Mehefin 2018
|
119.1
|
122.3
|
124.5
|
121.6
|
Gorffennaf 2018
|
120.3
|
125.0
|
125.4
|
123.4
|
Awst 2018
|
119.0
|
122.7
|
123.7
|
121.9
|
Medi 2018
|
118.3
|
122.8
|
123.7
|
121.4
|
Hydref 2018
|
119.2
|
123.6
|
124.3
|
122.0
|
Tachwedd 2018
|
117.8
|
122.9
|
123.1
|
121.0
|
Rhagfyr 2018
|
117.5
|
121.0
|
122.9
|
119.9
|
Ionawr 2019
|
116.7
|
122.4
|
122.5
|
119.4
|
Chwefror 2019
|
115.7
|
120.7
|
121.0
|
118.6
|
Mawrth 2019
|
115.2
|
118.3
|
120.0
|
118.2
|
Ebrill 2019
|
116.6
|
119.3
|
120.9
|
119.8
|
Mai 2019
|
115.1
|
118.1
|
120.2
|
119.0
|
Mehefin 2019
|
116.8
|
120.0
|
122.8
|
120.2
|
Gorffennaf 2019
|
118.8
|
121.1
|
123.2
|
122.0
|
Awst 2019
|
117.4
|
121.4
|
123.0
|
122.4
|
Medi 2019
|
118.4
|
121.3
|
122.6
|
121.9
|
Hydref 2019
|
117.3
|
121.2
|
123.8
|
121.1
|
Tachwedd 2019
|
116.4
|
121.7
|
122.9
|
121.1
|
Rhagfyr 2019
|
118.9
|
122.2
|
123.9
|
122.9
|
Ionawr 2020
|
118.2
|
120.0
|
122.9
|
121.8
|
Chwefror 2020
|
117.8
|
122.8
|
123.9
|
122.6
|
Mawrth 2020
|
119.8
|
123.4
|
125.4
|
123.6
|
Ebrill 2020
|
118.2
|
124.0
|
124.0
|
122.9
|
Mai 2020
|
117.5
|
122.1
|
123.3
|
121.7
|
Mehefin 2020
|
119.1
|
122.0
|
125.7
|
124.8
|
Gorffennaf 2020
|
120.1
|
123.8
|
126.1
|
125.0
|
Awst 2020
|
121.5
|
126.2
|
128.5
|
127.5
|
Medi 2020
|
122.4
|
126.6
|
129.2
|
128.6
|
Hydref 2020
|
120.7
|
126.4
|
128.3
|
127.8
|
Tachwedd 2020
|
122.8
|
129.1
|
130.6
|
129.9
|
Rhagfyr 2020
|
122.7
|
128.8
|
131.2
|
130.3
|
Ionawr 2021
|
122.7
|
126.3
|
129.6
|
128.7
|
Chwefror 2021
|
121.8
|
125.2
|
128.7
|
127.3
|
Mawrth 2021
|
123.9
|
125.8
|
129.7
|
129.1
|
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
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
|
Ionawr 2010
|
261507.0
|
Chwefror 2010
|
273951.0
|
Mawrth 2010
|
277462.0
|
Ebrill 2010
|
274435.0
|
Mai 2010
|
271064.0
|
Mehefin 2010
|
275220.0
|
Gorffennaf 2010
|
274957.0
|
Awst 2010
|
277773.0
|
Medi 2010
|
281519.0
|
Hydref 2010
|
279629.0
|
Tachwedd 2010
|
272961.0
|
Rhagfyr 2010
|
283161.0
|
Ionawr 2011
|
289150.0
|
Chwefror 2011
|
285828.0
|
Mawrth 2011
|
291118.0
|
Ebrill 2011
|
296537.0
|
Mai 2011
|
289944.0
|
Mehefin 2011
|
283922.0
|
Gorffennaf 2011
|
295959.0
|
Awst 2011
|
291318.0
|
Medi 2011
|
289495.0
|
Hydref 2011
|
290134.0
|
Tachwedd 2011
|
291768.0
|
Rhagfyr 2011
|
291777.0
|
Ionawr 2012
|
291511.0
|
Chwefror 2012
|
284673.0
|
Mawrth 2012
|
287893.0
|
Ebrill 2012
|
294862.0
|
Mai 2012
|
298252.0
|
Mehefin 2012
|
299577.0
|
Gorffennaf 2012
|
292780.0
|
Awst 2012
|
296775.0
|
Medi 2012
|
298433.0
|
Hydref 2012
|
306361.0
|
Tachwedd 2012
|
307290.0
|
Rhagfyr 2012
|
312637.0
|
Ionawr 2013
|
300893.0
|
Chwefror 2013
|
307264.0
|
Mawrth 2013
|
310746.0
|
Ebrill 2013
|
321405.0
|
Mai 2013
|
317878.0
|
Mehefin 2013
|
321390.0
|
Gorffennaf 2013
|
325662.0
|
Awst 2013
|
326209.0
|
Medi 2013
|
335504.0
|
Hydref 2013
|
340144.0
|
Tachwedd 2013
|
344289.0
|
Rhagfyr 2013
|
357205.0
|
Ionawr 2014
|
355301.0
|
Chwefror 2014
|
362950.0
|
Mawrth 2014
|
364833.0
|
Ebrill 2014
|
378146.0
|
Mai 2014
|
388469.0
|
Mehefin 2014
|
388165.0
|
Gorffennaf 2014
|
391811.0
|
Awst 2014
|
398128.0
|
Medi 2014
|
397375.0
|
Hydref 2014
|
398305.0
|
Tachwedd 2014
|
392957.0
|
Rhagfyr 2014
|
405634.0
|
Ionawr 2015
|
407847.0
|
Chwefror 2015
|
413077.0
|
Mawrth 2015
|
410866.0
|
Ebrill 2015
|
415923.0
|
Mai 2015
|
419710.0
|
Mehefin 2015
|
412064.0
|
Gorffennaf 2015
|
428504.0
|
Awst 2015
|
428525.0
|
Medi 2015
|
432855.0
|
Hydref 2015
|
437017.0
|
Tachwedd 2015
|
440608.0
|
Rhagfyr 2015
|
456657.0
|
Ionawr 2016
|
459652.0
|
Chwefror 2016
|
448129.0
|
Mawrth 2016
|
446662.0
|
Ebrill 2016
|
473740.0
|
Mai 2016
|
488999.0
|
Mehefin 2016
|
472269.0
|
Gorffennaf 2016
|
475091.0
|
Awst 2016
|
471923.0
|
Medi 2016
|
473734.0
|
Hydref 2016
|
483553.0
|
Tachwedd 2016
|
479572.0
|
Rhagfyr 2016
|
480268.0
|
Ionawr 2017
|
493619.0
|
Chwefror 2017
|
499935.0
|
Mawrth 2017
|
488848.0
|
Ebrill 2017
|
492747.0
|
Mai 2017
|
491869.0
|
Mehefin 2017
|
484279.0
|
Gorffennaf 2017
|
496033.0
|
Awst 2017
|
490275.0
|
Medi 2017
|
493218.0
|
Hydref 2017
|
497851.0
|
Tachwedd 2017
|
478833.0
|
Rhagfyr 2017
|
482847.0
|
Ionawr 2018
|
496890.0
|
Chwefror 2018
|
513622.0
|
Mawrth 2018
|
489523.0
|
Ebrill 2018
|
498630.0
|
Mai 2018
|
491144.0
|
Mehefin 2018
|
491781.0
|
Gorffennaf 2018
|
495794.0
|
Awst 2018
|
496575.0
|
Medi 2018
|
485831.0
|
Hydref 2018
|
497344.0
|
Tachwedd 2018
|
477054.0
|
Rhagfyr 2018
|
488048.0
|
Ionawr 2019
|
484369.0
|
Chwefror 2019
|
492552.0
|
Mawrth 2019
|
482871.0
|
Ebrill 2019
|
487615.0
|
Mai 2019
|
475296.0
|
Mehefin 2019
|
475412.0
|
Gorffennaf 2019
|
501319.0
|
Awst 2019
|
480559.0
|
Medi 2019
|
498203.0
|
Hydref 2019
|
489218.0
|
Tachwedd 2019
|
463208.0
|
Rhagfyr 2019
|
477937.0
|
Ionawr 2020
|
505331.0
|
Chwefror 2020
|
482814.0
|
Mawrth 2020
|
499861.0
|
Ebrill 2020
|
501192.0
|
Mai 2020
|
502603.0
|
Mehefin 2020
|
476123.0
|
Gorffennaf 2020
|
497120.0
|
Awst 2020
|
499669.0
|
Medi 2020
|
497997.0
|
Hydref 2020
|
484835.0
|
Tachwedd 2020
|
485935.0
|
Rhagfyr 2020
|
486344.0
|
Ionawr 2021
|
488011.0
|
Chwefror 2021
|
497825.0
|
Mawrth 2021
|
507220.0
|
Dyddiad
|
Adeilad newydd
|
Ionawr 2010
|
-0.1
|
Chwefror 2010
|
6.0
|
Mawrth 2010
|
8.1
|
Ebrill 2010
|
9.4
|
Mai 2010
|
7.4
|
Mehefin 2010
|
8.4
|
Gorffennaf 2010
|
8.5
|
Awst 2010
|
9.3
|
Medi 2010
|
5.3
|
Hydref 2010
|
5.4
|
Tachwedd 2010
|
3.9
|
Rhagfyr 2010
|
7.4
|
Ionawr 2011
|
10.6
|
Chwefror 2011
|
4.3
|
Mawrth 2011
|
4.9
|
Ebrill 2011
|
8.0
|
Mai 2011
|
7.0
|
Mehefin 2011
|
3.2
|
Gorffennaf 2011
|
7.6
|
Awst 2011
|
4.9
|
Medi 2011
|
2.8
|
Hydref 2011
|
3.8
|
Tachwedd 2011
|
6.9
|
Rhagfyr 2011
|
3.0
|
Ionawr 2012
|
0.8
|
Chwefror 2012
|
-0.4
|
Mawrth 2012
|
-1.1
|
Ebrill 2012
|
-0.6
|
Mai 2012
|
2.9
|
Mehefin 2012
|
5.5
|
Gorffennaf 2012
|
-1.1
|
Awst 2012
|
1.9
|
Medi 2012
|
3.1
|
Hydref 2012
|
5.6
|
Tachwedd 2012
|
5.3
|
Rhagfyr 2012
|
7.2
|
Ionawr 2013
|
3.2
|
Chwefror 2013
|
7.9
|
Mawrth 2013
|
7.9
|
Ebrill 2013
|
9.0
|
Mai 2013
|
6.6
|
Mehefin 2013
|
7.3
|
Gorffennaf 2013
|
11.2
|
Awst 2013
|
9.9
|
Medi 2013
|
12.4
|
Hydref 2013
|
11.0
|
Tachwedd 2013
|
12.0
|
Rhagfyr 2013
|
14.3
|
Ionawr 2014
|
18.1
|
Chwefror 2014
|
18.1
|
Mawrth 2014
|
17.4
|
Ebrill 2014
|
17.6
|
Mai 2014
|
22.2
|
Mehefin 2014
|
20.8
|
Gorffennaf 2014
|
20.3
|
Awst 2014
|
22.0
|
Medi 2014
|
18.4
|
Hydref 2014
|
17.1
|
Tachwedd 2014
|
14.1
|
Rhagfyr 2014
|
13.6
|
Ionawr 2015
|
14.8
|
Chwefror 2015
|
13.8
|
Mawrth 2015
|
12.6
|
Ebrill 2015
|
10.0
|
Mai 2015
|
8.0
|
Mehefin 2015
|
6.2
|
Gorffennaf 2015
|
9.4
|
Awst 2015
|
7.6
|
Medi 2015
|
8.9
|
Hydref 2015
|
9.7
|
Tachwedd 2015
|
12.1
|
Rhagfyr 2015
|
12.6
|
Ionawr 2016
|
12.7
|
Chwefror 2016
|
8.5
|
Mawrth 2016
|
8.7
|
Ebrill 2016
|
13.9
|
Mai 2016
|
16.5
|
Mehefin 2016
|
14.6
|
Gorffennaf 2016
|
10.9
|
Awst 2016
|
10.1
|
Medi 2016
|
9.4
|
Hydref 2016
|
10.6
|
Tachwedd 2016
|
8.8
|
Rhagfyr 2016
|
5.2
|
Ionawr 2017
|
7.4
|
Chwefror 2017
|
11.6
|
Mawrth 2017
|
9.4
|
Ebrill 2017
|
4.0
|
Mai 2017
|
0.6
|
Mehefin 2017
|
2.5
|
Gorffennaf 2017
|
4.4
|
Awst 2017
|
3.9
|
Medi 2017
|
4.1
|
Hydref 2017
|
3.0
|
Tachwedd 2017
|
-0.2
|
Rhagfyr 2017
|
0.5
|
Ionawr 2018
|
0.7
|
Chwefror 2018
|
2.7
|
Mawrth 2018
|
0.1
|
Ebrill 2018
|
1.2
|
Mai 2018
|
-0.2
|
Mehefin 2018
|
1.6
|
Gorffennaf 2018
|
-0.1
|
Awst 2018
|
1.3
|
Medi 2018
|
-1.5
|
Hydref 2018
|
-0.1
|
Tachwedd 2018
|
-0.4
|
Rhagfyr 2018
|
1.1
|
Ionawr 2019
|
-2.5
|
Chwefror 2019
|
-4.1
|
Mawrth 2019
|
-1.4
|
Ebrill 2019
|
-2.2
|
Mai 2019
|
-3.2
|
Mehefin 2019
|
-3.3
|
Gorffennaf 2019
|
1.1
|
Awst 2019
|
-3.2
|
Medi 2019
|
2.6
|
Hydref 2019
|
-1.6
|
Tachwedd 2019
|
-2.9
|
Rhagfyr 2019
|
-2.1
|
Ionawr 2020
|
4.3
|
Chwefror 2020
|
-2.0
|
Mawrth 2020
|
3.5
|
Ebrill 2020
|
2.8
|
Mai 2020
|
5.8
|
Mehefin 2020
|
0.2
|
Gorffennaf 2020
|
-0.8
|
Awst 2020
|
4.0
|
Medi 2020
|
-0.0
|
Hydref 2020
|
-0.9
|
Tachwedd 2020
|
4.9
|
Rhagfyr 2020
|
1.8
|
Ionawr 2021
|
-3.4
|
Chwefror 2021
|
3.1
|
Mawrth 2021
|
1.5
|
Dyddiad
|
Adeilad newydd
|
Ionawr 2010
|
-0.8
|
Chwefror 2010
|
4.8
|
Mawrth 2010
|
1.3
|
Ebrill 2010
|
-1.1
|
Mai 2010
|
-1.2
|
Mehefin 2010
|
1.5
|
Gorffennaf 2010
|
-0.1
|
Awst 2010
|
1.0
|
Medi 2010
|
1.4
|
Hydref 2010
|
-0.7
|
Tachwedd 2010
|
-2.4
|
Rhagfyr 2010
|
3.7
|
Ionawr 2011
|
2.1
|
Chwefror 2011
|
-1.2
|
Mawrth 2011
|
1.8
|
Ebrill 2011
|
1.9
|
Mai 2011
|
-2.2
|
Mehefin 2011
|
-2.1
|
Gorffennaf 2011
|
4.2
|
Awst 2011
|
-1.6
|
Medi 2011
|
-0.6
|
Hydref 2011
|
0.2
|
Tachwedd 2011
|
0.6
|
Rhagfyr 2011
|
0.0
|
Ionawr 2012
|
-0.1
|
Chwefror 2012
|
-2.4
|
Mawrth 2012
|
1.1
|
Ebrill 2012
|
2.4
|
Mai 2012
|
1.2
|
Mehefin 2012
|
0.4
|
Gorffennaf 2012
|
-2.3
|
Awst 2012
|
1.4
|
Medi 2012
|
0.6
|
Hydref 2012
|
2.7
|
Tachwedd 2012
|
0.3
|
Rhagfyr 2012
|
1.7
|
Ionawr 2013
|
-3.8
|
Chwefror 2013
|
2.1
|
Mawrth 2013
|
1.1
|
Ebrill 2013
|
3.4
|
Mai 2013
|
-1.1
|
Mehefin 2013
|
1.1
|
Gorffennaf 2013
|
1.3
|
Awst 2013
|
0.2
|
Medi 2013
|
2.8
|
Hydref 2013
|
1.4
|
Tachwedd 2013
|
1.2
|
Rhagfyr 2013
|
3.8
|
Ionawr 2014
|
-0.5
|
Chwefror 2014
|
2.2
|
Mawrth 2014
|
0.5
|
Ebrill 2014
|
3.6
|
Mai 2014
|
2.7
|
Mehefin 2014
|
-0.1
|
Gorffennaf 2014
|
0.9
|
Awst 2014
|
1.6
|
Medi 2014
|
-0.2
|
Hydref 2014
|
0.2
|
Tachwedd 2014
|
-1.3
|
Rhagfyr 2014
|
3.2
|
Ionawr 2015
|
0.6
|
Chwefror 2015
|
1.3
|
Mawrth 2015
|
-0.5
|
Ebrill 2015
|
1.2
|
Mai 2015
|
0.9
|
Mehefin 2015
|
-1.8
|
Gorffennaf 2015
|
4.0
|
Awst 2015
|
0.0
|
Medi 2015
|
1.0
|
Hydref 2015
|
1.0
|
Tachwedd 2015
|
0.8
|
Rhagfyr 2015
|
3.6
|
Ionawr 2016
|
0.7
|
Chwefror 2016
|
-2.5
|
Mawrth 2016
|
-0.3
|
Ebrill 2016
|
6.1
|
Mai 2016
|
3.2
|
Mehefin 2016
|
-3.4
|
Gorffennaf 2016
|
0.6
|
Awst 2016
|
-0.7
|
Medi 2016
|
0.4
|
Hydref 2016
|
2.1
|
Tachwedd 2016
|
-0.8
|
Rhagfyr 2016
|
0.2
|
Ionawr 2017
|
2.8
|
Chwefror 2017
|
1.3
|
Mawrth 2017
|
-2.2
|
Ebrill 2017
|
0.8
|
Mai 2017
|
-0.2
|
Mehefin 2017
|
-1.5
|
Gorffennaf 2017
|
2.4
|
Awst 2017
|
-1.2
|
Medi 2017
|
0.6
|
Hydref 2017
|
0.9
|
Tachwedd 2017
|
-3.8
|
Rhagfyr 2017
|
0.8
|
Ionawr 2018
|
2.9
|
Chwefror 2018
|
3.4
|
Mawrth 2018
|
-4.7
|
Ebrill 2018
|
1.9
|
Mai 2018
|
-1.5
|
Mehefin 2018
|
0.1
|
Gorffennaf 2018
|
0.8
|
Awst 2018
|
0.2
|
Medi 2018
|
-2.2
|
Hydref 2018
|
2.4
|
Tachwedd 2018
|
-4.1
|
Rhagfyr 2018
|
2.3
|
Ionawr 2019
|
-0.8
|
Chwefror 2019
|
1.7
|
Mawrth 2019
|
-2.0
|
Ebrill 2019
|
1.0
|
Mai 2019
|
-2.5
|
Mehefin 2019
|
0.0
|
Gorffennaf 2019
|
5.4
|
Awst 2019
|
-4.1
|
Medi 2019
|
3.7
|
Hydref 2019
|
-1.8
|
Tachwedd 2019
|
-5.3
|
Rhagfyr 2019
|
3.2
|
Ionawr 2020
|
5.7
|
Chwefror 2020
|
-4.5
|
Mawrth 2020
|
3.5
|
Ebrill 2020
|
0.3
|
Mai 2020
|
0.3
|
Mehefin 2020
|
-5.3
|
Gorffennaf 2020
|
4.4
|
Awst 2020
|
0.5
|
Medi 2020
|
-0.3
|
Hydref 2020
|
-2.6
|
Tachwedd 2020
|
0.2
|
Rhagfyr 2020
|
0.1
|
Ionawr 2021
|
0.3
|
Chwefror 2021
|
2.0
|
Mawrth 2021
|
1.9
|
Dyddiad
|
Adeilad newydd
|
Ionawr 2010
|
64.1
|
Chwefror 2010
|
67.2
|
Mawrth 2010
|
68.0
|
Ebrill 2010
|
67.3
|
Mai 2010
|
66.5
|
Mehefin 2010
|
67.5
|
Gorffennaf 2010
|
67.4
|
Awst 2010
|
68.1
|
Medi 2010
|
69.0
|
Hydref 2010
|
68.6
|
Tachwedd 2010
|
66.9
|
Rhagfyr 2010
|
69.4
|
Ionawr 2011
|
70.9
|
Chwefror 2011
|
70.1
|
Mawrth 2011
|
71.4
|
Ebrill 2011
|
72.7
|
Mai 2011
|
71.1
|
Mehefin 2011
|
69.6
|
Gorffennaf 2011
|
72.6
|
Awst 2011
|
71.4
|
Medi 2011
|
71.0
|
Hydref 2011
|
71.1
|
Tachwedd 2011
|
71.5
|
Rhagfyr 2011
|
71.5
|
Ionawr 2012
|
71.5
|
Chwefror 2012
|
69.8
|
Mawrth 2012
|
70.6
|
Ebrill 2012
|
72.3
|
Mai 2012
|
73.1
|
Mehefin 2012
|
73.4
|
Gorffennaf 2012
|
71.8
|
Awst 2012
|
72.8
|
Medi 2012
|
73.2
|
Hydref 2012
|
75.1
|
Tachwedd 2012
|
75.3
|
Rhagfyr 2012
|
76.7
|
Ionawr 2013
|
73.8
|
Chwefror 2013
|
75.3
|
Mawrth 2013
|
76.2
|
Ebrill 2013
|
78.8
|
Mai 2013
|
77.9
|
Mehefin 2013
|
78.8
|
Gorffennaf 2013
|
79.8
|
Awst 2013
|
80.0
|
Medi 2013
|
82.3
|
Hydref 2013
|
83.4
|
Tachwedd 2013
|
84.4
|
Rhagfyr 2013
|
87.6
|
Ionawr 2014
|
87.1
|
Chwefror 2014
|
89.0
|
Mawrth 2014
|
89.4
|
Ebrill 2014
|
92.7
|
Mai 2014
|
95.2
|
Mehefin 2014
|
95.2
|
Gorffennaf 2014
|
96.1
|
Awst 2014
|
97.6
|
Medi 2014
|
97.4
|
Hydref 2014
|
97.7
|
Tachwedd 2014
|
96.4
|
Rhagfyr 2014
|
99.5
|
Ionawr 2015
|
100.0
|
Chwefror 2015
|
101.3
|
Mawrth 2015
|
100.7
|
Ebrill 2015
|
102.0
|
Mai 2015
|
102.9
|
Mehefin 2015
|
101.0
|
Gorffennaf 2015
|
105.1
|
Awst 2015
|
105.1
|
Medi 2015
|
106.1
|
Hydref 2015
|
107.2
|
Tachwedd 2015
|
108.0
|
Rhagfyr 2015
|
112.0
|
Ionawr 2016
|
112.7
|
Chwefror 2016
|
109.9
|
Mawrth 2016
|
109.5
|
Ebrill 2016
|
116.2
|
Mai 2016
|
119.9
|
Mehefin 2016
|
115.8
|
Gorffennaf 2016
|
116.5
|
Awst 2016
|
115.7
|
Medi 2016
|
116.2
|
Hydref 2016
|
118.6
|
Tachwedd 2016
|
117.6
|
Rhagfyr 2016
|
117.8
|
Ionawr 2017
|
121.0
|
Chwefror 2017
|
122.6
|
Mawrth 2017
|
119.9
|
Ebrill 2017
|
120.8
|
Mai 2017
|
120.6
|
Mehefin 2017
|
118.7
|
Gorffennaf 2017
|
121.6
|
Awst 2017
|
120.2
|
Medi 2017
|
120.9
|
Hydref 2017
|
122.1
|
Tachwedd 2017
|
117.4
|
Rhagfyr 2017
|
118.4
|
Ionawr 2018
|
121.8
|
Chwefror 2018
|
125.9
|
Mawrth 2018
|
120.0
|
Ebrill 2018
|
122.3
|
Mai 2018
|
120.4
|
Mehefin 2018
|
120.6
|
Gorffennaf 2018
|
121.6
|
Awst 2018
|
121.8
|
Medi 2018
|
119.1
|
Hydref 2018
|
121.9
|
Tachwedd 2018
|
117.0
|
Rhagfyr 2018
|
119.7
|
Ionawr 2019
|
118.8
|
Chwefror 2019
|
120.8
|
Mawrth 2019
|
118.4
|
Ebrill 2019
|
119.6
|
Mai 2019
|
116.5
|
Mehefin 2019
|
116.6
|
Gorffennaf 2019
|
122.9
|
Awst 2019
|
117.8
|
Medi 2019
|
122.2
|
Hydref 2019
|
120.0
|
Tachwedd 2019
|
113.6
|
Rhagfyr 2019
|
117.2
|
Ionawr 2020
|
123.9
|
Chwefror 2020
|
118.4
|
Mawrth 2020
|
122.6
|
Ebrill 2020
|
122.9
|
Mai 2020
|
123.2
|
Mehefin 2020
|
116.7
|
Gorffennaf 2020
|
121.9
|
Awst 2020
|
122.5
|
Medi 2020
|
122.1
|
Hydref 2020
|
118.9
|
Tachwedd 2020
|
119.2
|
Rhagfyr 2020
|
119.2
|
Ionawr 2021
|
119.7
|
Chwefror 2021
|
122.1
|
Mawrth 2021
|
124.4
|