ARCTAS Emissions Summary: Year of Data
		BC	CH4	CO	CO2	Hg	NH3	NOx	OC	SO2	VOC
Anthropogenic	Canada	2006	2000	2005	2000	2000	2005	2005	2006	2005	2005
	USA	2006	2000	2002	2000	2000	2002	2002	2006	2002	2002
	Central America	2006	2000	2000	2000	2000	2000	2000	2006	2006	2000
	South America	2006	2000	2000	2000	2000	2000	2000	2006	2006	2000
	Northern Africa	2006	2000	2000	2000	2000	2000	2000	2006	2006	2000
	Western Africa	2006	2000	2000	2000	2000	2000	2000	2006	2006	2000
	Eastern Africa	2006	2000	2000	2000	2000	2000	2000	2006	2006	2000
	Southern Africa	2006	2000	2000	2000	2000	2000	2000	2006	2006	2000
	OECD Europe	2006	2000	2006	2000	2000	2006	2006	2006	2006	2006
	Eastern Europe	2006	2000	2006	2000	2000	2006	2006	2006	2006	2006
	Former USSR	2006	2000	2000	2000	2000	2000	2000	2006	2006	2000
	Middle East	2006	2000	2000	2000	2000	2000	2000	2006	2006	2000
	South Asia	2006	2000	2006	2000	2000	2000	2006	2006	2006	2006
	East Asia	2006	2000	2006	2000	2000	2000	2006	2006	2006	2006
	Southeast Asia	2006	2000	2006	2000	2000	2000	2006	2006	2006	2006
	Oceania	2006	2000	2000	2000	2000	2000	2000	2006	2006	2000
	Japan	2006	2000	2006	2000	2000	2000	2006	2006	2006	2006
	Greenland	2006	2000	2000	2000	2000	2000	2000	2006	2006	2000
	Antarctica	2006	2000	2000	2000	2000	2000	2000	2006	2006	2000
International shipping	Global total	2006	N/A	2000	2000	N/A	N/A	2000	2006	2006	2000
Biomass burning	Global total	1996	1997-2002	1997-2002	1997-2002	N/A	N/A	1997-2002	1996	1997-2002	1997-2002