31 Dec 2020 data: 36 practices out of the 396 active practices with staff did not confirm their data was up-to-date in the quarter up to 31 Dec 2020.
Data 31 Rhag 2020: Ni wnaeth 36 o bractisau o'r 396 o bractisau gweithredol gyda staff gadarnhau bod eu data’n gyfredol yn y chwarter hyd at 31 Rhag 2020.