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Hidlo yn ôl (6 canlyniad, wedi trefnu yn ôl y diweddaraf)
Adroddiad thematig | 04/05/2023
pdf, 936 KB Added 04/05/2023
Adroddiad thematig | 13/10/2022
pdf, 1.18 MB Added 13/10/2022
Adroddiad thematig | 12/06/2019
pdf, 2.01 MB Added 12/06/2019
Adroddiad thematig | 22/09/2016
pdf, 1.1 MB Added 22/09/2016
Adroddiad thematig | 01/06/2015
pdf, 503.1 KB Added 01/06/2015