New information is shown for the quarter that ended on 30 June 2022 and data for January to March 2022 has been revised.
Dangosir gwybodaeth newydd ar gyfer y chwarter a ddaeth i ben ar 30 Mehefin 2022 ac mae data ar gyfer mis Ionawr i fis Fawrth 2022 wedi'i ddiwygio.