* With the move to a system of recording New HR details during 2023-2024, there has been a slight decline in the level of data we have about Welsh language skills.
* Wrth symud i system o gofnodi manylion Adnoddau Dynol Newydd yn ystod 2023-24, mae dirywiad bach wedi bod yn lefel y data sydd gyda ni am sgiliau’r Gymraeg.