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Hidlo yn ôl (46 canlyniad, wedi trefnu yn ôl y diweddaraf)
Adroddiad thematig | 01/10/2013
pdf, 439.42 KB Added 01/10/2013
Adroddiad thematig | 01/07/2013
pdf, 825.09 KB Added 01/07/2013
Adroddiad thematig | 01/06/2013
pdf, 743.13 KB Added 01/06/2013
Adroddiad thematig | 01/11/2012
pdf, 2.18 MB Added 01/11/2012
Adroddiad thematig | 01/07/2011
pdf, 663.02 KB Added 01/07/2011