Note that, these data have been revised to include a resubmission of mental health treatment data by Hywel Dda health board following their move to a new mental health data system.
Mae’r data wedi cael ei newid i gynnwys data am driniaeth iechyd meddwl a gafodd ei ailgyflwyno gan fwrdd iechyd Hywel Dda ar ôl iddynt symud i system data iechyd meddwl newydd.