Colombia Exports of coke, semi-coke of coal, of lignite, of peat; retort carbon to Portugal was US$1.54 Thousand during 2015, according to the United Nations COMTRADE database on international trade. Colombia Exports of coke, semi-coke of coal, of lignite, of peat; retort carbon to Portugal - data, historical chart and statistics - was last updated on May of 2024.