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Hidlo yn ôl (6 canlyniad, wedi trefnu yn ôl y diweddaraf)
Adroddiad thematig | 20/10/2020
pptx, 192.04 KB Added
Adroddiad thematig | 19/05/2016
pdf, 623.36 KB Added 19/05/2016
Adroddiad thematig | 19/05/2016
pdf, 164.61 KB Added 19/05/2016
Adroddiad thematig | 01/03/2010
PDF, 300.11 KB Added 01/03/2010
Adroddiad thematig | 01/05/2009
pdf, 263.82 KB Added 01/05/2009