The slight increase over the academic years most impacted by the COVID-19 pandemic appears to be starting to narrow from 2021/22 to 2022/23.
Mae'n ymddangos bod y cynnydd bach a welwyd dros y blynyddoedd academaidd yr effeithiwyd arnynt fwyaf gan bandemig COVID-19 yn dechrau culhau o 2021/22 i 2022/23.