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Hidlo yn ôl (29 canlyniad, wedi trefnu yn ôl y diweddaraf)
Adroddiad thematig | 01/05/2015
pdf, 425.27 KB Added 01/05/2015
Adroddiad thematig | 01/07/2014
pdf, 1.01 MB Added 01/07/2014
Adroddiad thematig | 01/12/2013
pdf, 773.93 KB Added 01/12/2013
Adroddiad thematig | 01/06/2013
pdf, 758.13 KB Added 01/06/2013
Adroddiad thematig | 01/07/2012
pdf, 861.7 KB Added 01/07/2012
Adroddiad thematig | 01/02/2012
pdf, 968.32 KB Added 01/02/2012
Adroddiad thematig | 01/07/2011
pdf, 778.04 KB Added 01/07/2011
Adroddiad thematig | 01/03/2010
pdf, 1.27 MB Added 01/03/2010