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Hidlo yn ôl (5 canlyniad, wedi trefnu yn ôl y diweddaraf)
Adroddiad thematig | 12/05/2022
pdf, 6.79 MB Added 12/05/2022
Adroddiad thematig | 27/04/2022
pdf, 395.05 KB Added 27/04/2022
Adroddiad thematig | 10/02/2022
pdf, 2.11 MB Added 10/02/2022
Adroddiad thematig | 13/01/2022
HTML Added 13/01/2022