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Hidlo yn ôl (33 canlyniad, wedi trefnu yn ôl y diweddaraf)
Adroddiad thematig | 22/09/2016
pdf, 1.1 MB Added 22/09/2016
Adroddiad thematig | 05/07/2016
pptx, 530.65 KB Added 05/07/2016
Adroddiad thematig | 01/05/2015
pdf, 513.03 KB Added 01/05/2015
Adroddiad thematig | 01/05/2015
pdf, 425.27 KB Added 01/05/2015
Adroddiad thematig | 01/06/2014
pdf, 636.38 KB Added 01/06/2014
Adroddiad thematig | 01/12/2013
pdf, 592.79 KB Added 01/12/2013
Adroddiad thematig | 01/12/2013
pdf, 1.07 MB Added 01/12/2013
Adroddiad thematig | 01/07/2013
pdf, 825.09 KB Added 01/07/2013
Adroddiad thematig | 01/06/2013
pdf, 543.71 KB Added 01/06/2013