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Hidlo yn ôl (59 canlyniad, wedi trefnu yn ôl y diweddaraf)
Adroddiad thematig | 01/12/2013
pdf, 1.07 MB Added 01/12/2013
Adroddiad thematig | 01/10/2013
pdf, 439.42 KB Added 01/10/2013
Adroddiad thematig | 01/06/2013
pdf, 543.71 KB Added 01/06/2013
Adroddiad thematig | 01/11/2012
pdf, 2.18 MB Added 01/11/2012
Adroddiad thematig | 01/07/2012
pdf, 861.7 KB Added 01/07/2012
Adroddiad thematig | 01/02/2012
pdf, 968.32 KB Added 01/02/2012
Adroddiad thematig | 01/07/2011
pdf, 663.02 KB Added 01/07/2011
Adroddiad thematig | 01/06/2011
pdf, 571.19 KB Added 01/06/2011