UK and Irish operators (£11.1 million), domestic and inbound, have generated more than half of the total value, with North America (£3.2 million) contributing just short of half of the remainder.
Mae gweithredwyr y DU ac Iwerddon (£11.1 miliwn), domestig ac o’r tu allan, wedi sbarduno dros hanner cyfanswm y gwerth, gyda Gogledd America (£3.2 miliwn) yn cyfrannu bron i hanner y gweddill.