In November 2021 there were just over 8,800 patients, a decrease on the previous month but the second highest on record since current reporting began in April 2012.
Ym mis Tachwedd 2021, roedd ychydig dros 8,800 o gleifion, gostyngiad o’i gymharu â’r mis blaenorol, ond dyma’r ail ffigur uchaf erioed ers dechrau cofnodi ym mis Ebrill 2012.