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

Commodity	2006	2007	2009	2011
Argon			$2,297
Rare gases other than argon			$2,381	$525
Nitrogen			$1,159
Oxygen	$10,354	$1,656	$457
Total	$10,354	$1,656	$6,294	$525

Source: United Nations Commodity Trade Statistics Database

See Also:

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