Zimbabwe Exports of coke, semi-coke of coal, of lignite, of peat; retort carbon to Congo was US$18.89 Million during 2023, according to the United Nations COMTRADE database on international trade. Zimbabwe Exports of coke, semi-coke of coal, of lignite, of peat; retort carbon to Congo - data, historical chart and statistics - was last updated on May of 2024.