Senegal Exports of niobium, tantalum, vanadium or zirconium ores and concentrates to Mali was US$116.59 Thousand during 2020, according to the United Nations COMTRADE database on international trade. Senegal Exports of niobium, tantalum, vanadium or zirconium ores and concentrates to Mali - data, historical chart and statistics - was last updated on May of 2024.