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Hidlo yn ôl (7 canlyniad, wedi trefnu yn ôl y diweddaraf)
Adroddiad thematig | 04/05/2023
pdf, 936 KB Added 04/05/2023
Adroddiad thematig | 04/03/2021
pdf, 9.1 MB Added 04/03/2021
Adroddiad thematig | 04/03/2021
pdf, 7.92 MB Added 04/03/2021
Adroddiad thematig | 14/12/2017
pdf, 4.62 MB Added 14/12/2017
Adroddiad thematig | 01/05/2012
pdf, 716.76 KB Added 01/05/2012
Adroddiad thematig | 31/05/2008
pdf, 565.77 KB Added 31/05/2008