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Data a dadansoddiadau o Gyfrifiad 2021
21 May 2021
Due to technical issues the following time series have had to be re-uploaded: GGS8
Cyswllt: Andrew Carey
Dyddiad y datganiad: 20 September 2023
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Cyhoeddiad nesaf: 18 October 2023
ID y gyfres: FSQ8
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