Also, other tables may be based on all persons of working age (16 to 64) whilst this release is restricted to those aged 18-64 (adults of working age).
Hefyd mae’n bosibl bod tablau eraill wedi’u seilio ar yr holl bobl o oedran gweithio (16-64) ond bod y datganiad hwn wedi’i gyfyngu i bobl 18-64 oed (oedolion o oedran gweithio).