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Data a dadansoddiadau o Gyfrifiad 2021
Cyhoeddwyd: 13 March 2023
Cyhoeddwyd: 14 March 2022
Cyhoeddwyd: 15 March 2021
Cyhoeddwyd: 19 March 2020
Cyhoeddwyd: 18 March 2019
Cyhoeddwyd: 19 March 2018
Cyhoeddwyd: 20 March 2017
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.