Namibia Exports of coke, semi-coke of coal, of lignite, of peat; retort carbon to Angola was US$16.98 Thousand during 2010, according to the United Nations COMTRADE database on international trade. Namibia Exports of coke, semi-coke of coal, of lignite, of peat; retort carbon to Angola - data, historical chart and statistics - was last updated on May of 2024.