The data expressed in tonne-kilometres show that2% fewer tonne-kilometres were performed in 2018 compared to 2017 in national transport (2.3 billion) and an 18% increase in international transport (20 billion tonne-kilometres).
Podatki, izraženi v tonskih kilometrih, kažejo, da je bilo v letu 2018 v notranjem prevozu opravljenih 2,3 milijarde tonskih kilometrov ali 2 % manj kot v letu 2017, v mednarodnem prevozu pa 20 milijard tonskih kilometrov ali 8 % več.