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Hidlo yn ôl (11 canlyniad, wedi trefnu yn ôl y diweddaraf)
Adroddiad thematig | 10/02/2022
pdf, 2.11 MB Added 10/02/2022
Adroddiad thematig | 02/07/2019
pdf, 693.38 KB Added 02/07/2019
Adroddiad thematig | 01/06/2015
pdf, 503.1 KB Added 01/06/2015
Adroddiad thematig | 01/06/2015
pdf, 742.46 KB Added 01/06/2015
Adroddiad thematig | 01/05/2015
pdf, 513.03 KB Added 01/05/2015
Adroddiad thematig | 01/06/2014
pdf, 659.67 KB Added 01/06/2014
Adroddiad thematig | 01/06/2014
pdf, 609.54 KB Added 01/06/2014
Adroddiad thematig | 01/06/2014
pdf, 636.38 KB Added 01/06/2014
Adroddiad thematig | 01/12/2013
pdf, 773.93 KB Added 01/12/2013