Ukraine Exports of coke, semi-coke of coal, of lignite, of peat; retort carbon to Oman was US$951.6 Thousand during 2013, according to the United Nations COMTRADE database on international trade. Ukraine Exports of coke, semi-coke of coal, of lignite, of peat; retort carbon to Oman - data, historical chart and statistics - was last updated on June of 2024.