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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: 19 December 2017 | Gwybodaeth gorfforaethol
19 December 2017
Rhyddhawyd ar: 3 June 2021 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 18 May 2018 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 9 July 2021 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 23 March 2022 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 16 February 2022 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 24 May 2019 | Methodoleg
An overview of the cancer statistics produced by Public Health England (PHE) and the Office for National Statistics (ONS), including strengths and limitations, when each should be used, and the differences between them.
Rhyddhawyd ar: 10 June 2026 | Methodoleg
What our fertility statistics cover, how we produce them, and their quality and comparability. Includes definitions and past, latest, and upcoming changes.
Rhyddhawyd ar: 28 April 2020 | Gwybodaeth gorfforaethol
This updates and replaces the statement on Deaths relating to the coronavirus (COVID-19) published on 31 March 2020.
Rhyddhawyd ar: 20 July 2017 | Methodoleg
This note outlines some of the possible factors that might explain differences seen in recent trends between the two main sources on crime.
