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Hidlo yn ôl (7 canlyniad, wedi trefnu yn ôl y diweddaraf)
Adroddiad thematig | 24/05/2023
pdf, 1.36 MB Added 24/05/2023
Adroddiad thematig | 18/02/2020
pdf, 2.18 MB Added 18/02/2020
Adroddiad thematig | 14/12/2017
pdf, 4.62 MB Added 14/12/2017
Adroddiad thematig | 01/06/2015
pdf, 503.1 KB Added 01/06/2015
Adroddiad thematig | 01/06/2015
pdf, 742.46 KB Added 01/06/2015
Adroddiad thematig | 01/05/2015
pdf, 513.03 KB Added 01/05/2015