Performance decreased against the 62 day target in December to 52.9% compared to 53.9% the previous month, and is the second lowest on record.
Roedd y perfformiad wedi gostwng o gymharu â’r targed 62 diwrnod ym mis Rhagfyr i 52.9% o’i gymharu â 53.9% yn y mis blaenorol, a dyma’r ail ffigur isaf ers dechrau cadw cofnodion.