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

Commodity	2006	2007	2010
Hydrogen			$651
Argon		$256
Rare gases other than argon	$12,975	$3,095	$1,653
Oxygen		$2,563
Silicon, cont. by wt. <99.99% of silicon	$392
Total	$13,367	$5,914	$2,304

Source: United Nations Commodity Trade Statistics Database

See Also:

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