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Hidlo yn ôl (8 canlyniad, wedi trefnu yn ôl y diweddaraf)
Adroddiad thematig | 01/06/2010
pdf, 1.36 MB Added 01/06/2010
Adroddiad thematig | 01/04/2010
pdf, 1002.66 KB Added 01/04/2010
Adroddiad thematig | 01/03/2010
pdf, 1.27 MB Added 01/03/2010
Adroddiad thematig | 01/03/2010
PDF, 300.11 KB Added 01/03/2010
Adroddiad thematig | 01/03/2010
pdf, 1.32 MB Added 01/03/2010
Adroddiad thematig | 01/03/2010
pdf, 1.31 MB Added 01/03/2010
Adroddiad thematig | 01/02/2010
pdf, 1.22 MB Added 01/02/2010