Between 2015 and 2016 GVA per head in West Wales and the Valleys increased by 0.3 percentage points relative to the UK average, whilst East Wales increased by 0.7 percentage points.
Rhwng 2015 a 2016, cynyddodd GYC y pen yng Ngorllewin Cymru a'r Cymoedd 0.3 pwynt canran o’i gymharu â chyfartaledd y Deyrnas Unedig, tra cynyddodd yn Nwyrain Cymru 0.7 pwynt canran.