This was followed by Business and other services with 24% (£7.8bn) and the trade, accommodation and transport sector with 19% (£6.2bn).
Dilynwyd hyn gan Fusnes a gwasanaethau eraill gyda 24% (£7.8bn) a'r sector masnach, llety a thrafnidiaeth gyda 24% (£7.8bn) a'r sector masnach, llety a thrafnidiaeth gyda 19% (£6.2bn).