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Hidlo yn ôl (9 canlyniad, wedi trefnu yn ôl y diweddaraf)
Adroddiad thematig | 13/10/2022
pdf, 1.18 MB Added 13/10/2022
Adroddiad thematig | 15/01/2021
pdf, 1.35 MB Added 15/01/2021
Adroddiad thematig | 15/10/2020
pdf, 3.47 MB Added 15/10/2020
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 | 22/09/2016
pdf, 1.1 MB Added 22/09/2016
Adroddiad thematig | 01/06/2015
pdf, 742.46 KB Added 01/06/2015
Adroddiad thematig | 01/06/2014
pdf, 609.54 KB Added 01/06/2014