50% of Welsh import and export tonnage carried by road from and to the EU was loaded/unloaded in Belgium and Luxembourg or Germany in 2017.
Cafodd 50% o dunelledd mewnforion/allforion Cymru a gafodd ei gario ar y ffyrdd i’r UE ac o’r UE yn 2017 ei lwytho/dadlwytho yng Ngwlad Belg a Lwcsembwrg neu’r Almaen.