31 Mar 2021 data: 9 practices out of the 396 active practices did not confirm their data was up-to-date in the quarter up to 31 Mar 2021.
Data 31 Maw 2021: Ni wnaeth 9 practis o'r 396 o bractisau gweithredol gadarnhau bod eu data’n gyfredol yn y chwarter hyd at 31 Maw 2021.