The ONS have produced a single estimate of gross value added (GVA) known as the balanced (GVA(B)) approach, using the strengths of both the income (GVA(I)) and production (GVA(P)) approaches.
Mae'r SYG wedi cynhyrchu amcangyfrif sengl o werth ychwanegol gros (GYG) a elwir yn ddull cytbwys (GYG(B)), gan ddefnyddio cryfderau'r dulliau incwm (GYG(I)) a chynhyrchu (GYG(P)).