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Hidlo yn ôl (5 canlyniad, wedi trefnu yn ôl y diweddaraf)
Adroddiad thematig | 16/01/2020
pdf, 731.93 KB Added 16/01/2020
Adroddiad thematig | 17/05/2018
pdf, 940.23 KB Added 17/05/2018
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