Namibia Imports from Botswana of Tar Distilled from Coal, from Lignite, from Peat; Other Mineral Tars was US$5 during 2017, according to the United Nations COMTRADE database on international trade. Namibia Imports from Botswana of Tar Distilled from Coal, from Lignite, from Peat; Other Mineral Tars - data, historical chart and statistics - was last updated on May of 2024.