This headline has been revised due to a reweighting to the Labour Force Survey (LFS), on which the Annual Population Survey (APS) is based.
Mae’r pennawd hwn wedi ei ddiwygio oherwydd ailbwysoli Arolwg o’r Llafurlu (LFS), sydd yn sail i Arolwg Blynyddol o’r Boblogaeth (APS).