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Data a dadansoddiadau o Gyfrifiad 2021
Cyhoeddwyd: 29 September 2015
Cyhoeddwyd: 9 July 2015
Cyhoeddwyd: 1 July 2015
Cyhoeddwyd: 27 March 2015
Cyhoeddwyd: 25 March 2015
Cyhoeddwyd: 12 February 2015
Cyhoeddwyd: 29 January 2015
Cyhoeddwyd: 8 October 2014
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.