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Hidlo yn ôl (7 canlyniad, wedi trefnu yn ôl y diweddaraf)
Adroddiad thematig | 27/04/2022
pdf, 395.05 KB Added 27/04/2022
Adroddiad thematig | 13/07/2021
pdf, 824.86 KB Added 13/07/2021
Adroddiad thematig | 04/08/2020
pdf, 1.24 MB Added 04/08/2020
Adroddiad thematig | 20/07/2020
pdf, 835.84 KB Added 20/07/2020
Adroddiad thematig | 01/10/2008
pdf, 348.19 KB Added 01/10/2008
Adroddiad thematig | 01/03/2008
pdf, 302.88 KB Added 01/03/2008