The average vacancy rate was 6.1%, but it ranged from 1.1% in Cwm Taf Morgannwg to 11.5% in Digital Health and Care Wales.
Amrywiodd y bwlch o 1.9 pwynt canran yn addysg gorfforol i 11.5(r) pwynt canran yng Nghymraeg ail iaith.