The data for 2020/21 and 2021/22 is considered management information and have been produced in response to developing national and local events during the COVID-19 pandemic.
Mae’r data ar gyfer 2020/21 a 2021/22 yn cael eu hystyried yn wybodaeth reoli ac wedi’u cynhyrchu mewn ymateb i ddatblygu digwyddiadau cenedlaethol a lleol yn ystod pandemig COVID-19.