Qatar Imports of coke, semi-coke of coal, of lignite, of peat; retort carbon from Vietnam was US$20.46 Thousand during 2021, according to the United Nations COMTRADE database on international trade. Qatar Imports of coke, semi-coke of coal, of lignite, of peat; retort carbon from Vietnam - data, historical chart and statistics - was last updated on May of 2024.