Overall there was a decrease of 12.1% (208,758 patients) in the total number of patients treated, and the percentage of the total population treated decreased by 6.9 percentage points.
At ei gilydd, roedd gostyngiad o 12.1% (208,758 o gleifion) yng nghyfanswm nifer y cleifion a gafodd driniaeth, ac roedd y ganran o’r boblogaeth a gafodd driniaeth wedi gostwng 6.9 pwynt canran.