However, only seven of the 22 local authorities were selected, but we ensured these areas were representative geographically and in levels of response rate.
Nodwch fod data ar gyfer 13 o’r 22 awdurdod lleol wedi'u hatal am fod maint y sampl wedi bod yn rhy fach i ddarparu data o ansawdd ar gyfer y gyfradd ddiweithdra.