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Dewis pwnc arall neu clirio pob hidlydd.
Nid yw holl gynnwys y cyfrifia wedi'i ryddhau. Edrychwch am ddatganiadau sydd i ddod ar y calendr datganiadau. Fel arall, gallwch greu set ddata eich fun.
Rhyddhawyd ar: 14 August 2020 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 7 April 2020 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 9 April 2019 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 12 January 2016 | Gwybodaeth gorfforaethol
Please note: the Beyond 2011 programme closed in January 2015. The Census Transformation Programme (CTP) is developing the 2021 Census.
Rhyddhawyd ar: 5 June 2019 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 24 October 2018 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 29 April 2021 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 7 June 2021 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 27 February 2025 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 12 November 2020 | Gwybodaeth gorfforaethol
