Yemen Imports of coke, semi-coke of coal, of lignite, of peat; retort carbon from Indonesia was US$5.26 Thousand during 2019, according to the United Nations COMTRADE database on international trade. Yemen Imports of coke, semi-coke of coal, of lignite, of peat; retort carbon from Indonesia - data, historical chart and statistics - was last updated on May of 2024.