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Data a dadansoddiadau o Gyfrifiad 2021
Cyhoeddwyd: 5 April 2023
Cyhoeddwyd: 7 December 2021
Cyhoeddwyd: 11 December 2020
Cyhoeddwyd: 7 February 2020
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.