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Data a dadansoddiadau o Gyfrifiad 2021
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.
Data a gyrchwyd gan y defnyddiwr | Released on 13 May 2024 | Ref: 2043
Data a gyrchwyd gan y defnyddiwr | Released on 26 September 2018 | Ref: 009071
Data a gyrchwyd gan y defnyddiwr | Released on 13 September 2016 | Ref: 006113