Denmark Imports of niobium, tantalum, vanadium or zirconium ores and concentrates from Greenland was US$54 during 2017, according to the United Nations COMTRADE database on international trade. Denmark Imports of niobium, tantalum, vanadium or zirconium ores and concentrates from Greenland - data, historical chart and statistics - was last updated on May of 2024.