South Africa Exports of coke, semi-coke of coal, of lignite, of peat; retort carbon to Swaziland was US$149 during 2022, according to the United Nations COMTRADE database on international trade. South Africa Exports of coke, semi-coke of coal, of lignite, of peat; retort carbon to Swaziland - data, historical chart and statistics - was last updated on May of 2024.