Rwanda Exports of niobium, tantalum, vanadium or zirconium ores and concentrates to Kenya was US$2.71 Million during 2014, according to the United Nations COMTRADE database on international trade. Rwanda Exports of niobium, tantalum, vanadium or zirconium ores and concentrates to Kenya - data, historical chart and statistics - was last updated on May of 2024.