Of those who reported estimated costs incurred in completing the survey, more than half estimated the survey cost their business less than £50 to complete.
O'r rhai a nododd gostau amcangyfrifedig yr aethpwyd iddynt wrth gwblhau'r arolwg, amcangyfrifodd dros hanner fod yr arolwg wedi costio eu busnes llai na £50 i'w gwblhau.