The proportion is less than 5% in the Vale of Glamorgan, Monmouthshire, Isle of Anglesey, Gwynedd and Powys, but is over 15% in Blaenau Gwent.
Amrywiai’r ganran oedd yn hunangyflogedig o 5.5% ym Mlaenau Gwent i 15.0% ym Mhowys.