Statistics have been checked for accuracy as far as possible however it should be noted that minor inaccuracies can inevitably occur in the processing of large administrative datasets.
Mae’r ystadegau wedi cael eu gwirio i sicrhau eu bod mor gywir â phosibl, ond dylid nodi ei bod yn anochel y gall mân wallau ddigwydd wrth brosesu setiau data gweinyddol mawr.