Spain Exports of bitumen and asphalt (natural), bituminous or oil shale, tar sands to Gabon was US$1.46 Thousand during 2018, according to the United Nations COMTRADE database on international trade. Spain Exports of bitumen and asphalt (natural), bituminous or oil shale, tar sands to Gabon - data, historical chart and statistics - was last updated on May of 2024.