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Data a dadansoddiadau o Gyfrifiad 2021
Cyhoeddwyd: 1 August 2018
Cyhoeddwyd: 5 February 2018
Cyhoeddwyd: 27 June 2017
Cyhoeddwyd: 9 March 2017
Cyhoeddwyd: 11 October 2016
Cyhoeddwyd: 10 November 2015
Cyhoeddwyd: 24 June 2015
We moved them to The National Archives website, to keep this website as responsive as possible.
Please note: all historical data is still on this website.