stop publishing Quarter 4 provisional data in August, and publish Quarter 4 data as part of the final annual release in October.
rhoi'r gorau i gyhoeddi data dros dro ar gyfer Chwarter 4 ym mis Awst, a chyhoeddi data Chwarter 4 fel rhan o ddatganiad blynyddol terfynol ym mis Hydref.