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Hidlo yn ôl (7 canlyniad, wedi trefnu yn ôl y diweddaraf)
Adroddiad thematig | 29/09/2023
pptx, 347.13 KB Added 29/09/2023
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 | 15/01/2021
pdf, 1.35 MB Added 15/01/2021
Adroddiad thematig | 03/06/2015
pdf, 851.46 KB Added 03/06/2015
Adroddiad thematig | 01/06/2015
pdf, 852.64 KB Added 01/06/2015