Cuba Imports of niobium, tantalum, vanadium or zirconium ores and concentrates from Spain was US$18.64 Thousand during 2016, according to the United Nations COMTRADE database on international trade. Cuba Imports of niobium, tantalum, vanadium or zirconium ores and concentrates from Spain - data, historical chart and statistics - was last updated on May of 2024.