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Hidlo yn ôl (6 canlyniad, wedi trefnu yn ôl y diweddaraf)
Adroddiad thematig | 22/06/2021
pdf, 1.21 MB Added 22/06/2021
Adroddiad thematig | 23/03/2021
pdf, 1.12 MB Added 23/03/2021
Adroddiad thematig | 23/03/2021
pdf, 760.12 KB Added 23/03/2021
Adroddiad thematig | 15/10/2020
pdf, 3.47 MB Added 15/10/2020
Adroddiad thematig | 16/06/2017
pdf, 1.15 MB Added 16/06/2017