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

Commodity	2005	2006	2007	2008	2009	2010	2011
Rare gases other than argon			$901	$11,651	$1,006	$3,601
Oxygen	$2,507	$2,213	$4,921	$11,598	$4,014		$468
Arsenic					$1,577
Total	$2,507	$2,213	$5,822	$23,249	$6,597	$3,601	$468

Source: United Nations Commodity Trade Statistics Database

See Also:

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