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Hidlo yn ôl (19 canlyniad, wedi trefnu yn ôl y diweddaraf)
Adroddiad thematig | 23/06/2017
pdf, 1.18 MB Added 23/06/2017
Adroddiad thematig | 22/09/2016
pdf, 1.1 MB Added 22/09/2016
Adroddiad thematig | 12/07/2016
pdf, 838.85 KB Added 12/07/2016
Adroddiad thematig | 01/06/2015
pdf, 503.1 KB Added 01/06/2015
Adroddiad thematig | 01/07/2014
pdf, 1.01 MB Added 01/07/2014
Adroddiad thematig | 01/06/2012
pdf, 780.11 KB Added 01/06/2012
Adroddiad thematig | 01/09/2011
pdf, 500.25 KB Added 01/09/2011
Adroddiad thematig | 01/06/2011
pdf, 571.19 KB Added 01/06/2011