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Dewis pwnc arall neu clirio pob hidlydd.
Rhyddhawyd ar: 14 April 2023 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 8 June 2018 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 17 February 2022 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 6 February 2018 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 13 January 2016 | Gwybodaeth gorfforaethol
Information about how to view and use census data and products.
Rhyddhawyd ar: 23 December 2019 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 23 May 2016 | Gwybodaeth gorfforaethol
Summary of the release dates for each 2001 Census and the media in which each is available.
Rhyddhawyd ar: 4 March 2025 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 27 October 2022 | Gwybodaeth gorfforaethol
