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Hidlo yn ôl (8 canlyniad, wedi trefnu yn ôl y diweddaraf)
Adroddiad thematig | 23/01/2020
pptx, 186.95 KB Added 23/01/2020
Adroddiad thematig | 24/05/2016
pdf, 158.41 KB Added 24/05/2016
Adroddiad thematig | 24/05/2016
pdf, 1.8 MB Added 24/05/2016
Adroddiad thematig | 01/02/2009
pdf, 300.29 KB Added 01/02/2009
Adroddiad thematig | 01/10/2008
pdf, 348.19 KB Added 01/10/2008
Adroddiad thematig | 01/06/2008
pdf, 285.83 KB Added 01/06/2008
Adroddiad thematig | 01/02/2007
pdf, 379.15 KB Added 01/02/2007