The report and tables were updated on 12 September 2018 to include new data for Gross Value Added (GVA) from the Annual Business Survey.
Cafodd yr adroddiad a'r tablau eu diweddaru ar 12 Medi 2018 i gynnwys data newydd am y Gwerth Ychwanegol Gros (GVA) o’r Arolwg Busnes Blynyddol.