Nigeria Exports by Commodity in US Dollars - Niobium, tantalum, vanadium and concentrates.

Commodity	2007	2008	2009	2010
Zirconium ores & concs.	$1,158,319	$233,401	$93,231	$662,010
Niobium/tantalum/vanadium ores & concs.			$26,063	$53,373
Total	$1,158,319	$233,401	$119,294	$715,383

Source: United Nations Commodity Trade Statistics Database

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Nigeria Exports by Commodity in US Dollars - Niobium, tantalum, vanadium and concentrates. - Yearly