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Data a dadansoddiadau o Gyfrifiad 2021
Cyhoeddwyd: 19 January 2017
Cyhoeddwyd: 13 October 2016
Cyhoeddwyd: 14 July 2016
Cyhoeddwyd: 21 January 2016
Cyhoeddwyd: 15 October 2015
Cyhoeddwyd: 16 July 2015
Cyhoeddwyd: 15 January 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.