Around 3,700 children aged 5 to 15 resident in Wales in 2021 were last recorded in PLASC/EOTAS in 2020.
Cafodd tua 3,700 o blant 5 i 15 oed sy’n byw yng Nghymru yn 2021 eu cofnodi ddiwethaf yn CYBLD/EOTAS yn 2020.