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Hidlo yn ôl (7 canlyniad, wedi trefnu yn ôl y diweddaraf)
Adroddiad thematig | 19/10/2021
pdf, 974.77 KB Added 19/10/2021
Adroddiad thematig | 20/12/2018
pdf, 682.96 KB Added 20/12/2018
Adroddiad thematig | 15/10/2018
pdf, 3.16 MB Added 15/10/2018
Adroddiad thematig | 22/09/2016
pdf, 1.1 MB Added 22/09/2016
Adroddiad thematig | 26/02/2016
pdf, 945.09 KB Added 26/02/2016
Adroddiad thematig | 17/11/2015
pdf, 909.39 KB Added 17/11/2015