KEY: GDP = Gross Domestic Product. GDP is shown in 1996 chained dollars.
SOURCES: DOE, EIA, Annual Energy Review 2001, available at http://www.eia.doe.gov/emeu/aer/contents.html, as of February 2003. GDP—U.S. Department of Commerce, Bureau of Economic Analysis, "National Income and Product Account Tables," available at http://www.bea.doc.gov/bea/dn1.htm, as of February 2003.