Cape Verde Exports by Commodity in US Dollars - Hydrogen, rare gases and other non-metals.

Commodity	2005	2006	2007
Rare gases other than argon	$2,635	$10,889	$4,332
Nitrogen	$18,552	$27,312
Oxygen	$8,769	$9,237	$977
Total	$29,956	$47,438	$5,309

Source: United Nations Commodity Trade Statistics Database

See Also:

Cape Verde Exports by Commodity in US Dollars - Hydrogen, rare gases and other non-metals. - Yearly