However, there was a marginal increase (0.2 percentage points) in the rate for ambulance staff, administration and estates staff, and medical and dental staff.
Fodd bynnag, roedd cynnydd bach (0.2 pwynt canran) yn y gyfradd ar gyfer staff ambiwlans, staff gweinyddiaeth ac ystadau, a staff meddygol a deintyddol.