The rate per 10,000 children aged under 18 receiving care and support has also increased each year and was 278.9 on 31 March 2022.
Mae'r gyfradd fesul 10,000 o blant o dan 18 oed sy'n derbyn gofal a chymorth hefyd wedi cynyddu bob blwyddyn ac roedd yn 278.9 ar 31 Mawrth 2022.