Consequently it went from having the majority of waits over 8 weeks at the start of the year to having almost none at the end of the year.
O ganlyniad, ar ddechrau'r flwyddyn roedd ganddo'r rhan fwyaf o arosiadau dros 8 wythnos ar ddechrau'r flwyddyn ond roedd bron dim arosiadau ganddo ar ddiwedd y flwyddyn.