Figure 4a,,,,,,,,,,,,,,,,,,,,,,,,,,,
"Share of Gross Domestic Product by Major Type of Product: 1970-2002
(Percent)
",,,,,,,,,,,,,,,,,,,,,,,,,,,
Year,GDP from goods,GDP from services,GDP from structures,Overall GDP,,,,,,,,,,,,,,,,,,,,,,,
1970,43.0,46.4,10.6,100.0,,,,,,,,,,,,,,,,,,,,,,,
1971,42.0,46.7,11.4,100.0,,,,,,,,,,,,,,,,,,,,,,,
1972,41.7,46.4,11.9,100.0,,,,,,,,,,,,,,,,,,,,,,,
1973,43.2,45.0,11.8,100.0,,,,,,,,,,,,,,,,,,,,,,,
1974,42.9,46.1,11.0,100.0,,,,,,,,,,,,,,,,,,,,,,,
1975,42.2,47.6,10.2,100.0,,,,,,,,,,,,,,,,,,,,,,,
1976,42.6,46.9,10.5,100.0,,,,,,,,,,,,,,,,,,,,,,,
1977,41.9,46.9,11.2,100.0,,,,,,,,,,,,,,,,,,,,,,,
1978,41.9,46.2,11.9,100.0,,,,,,,,,,,,,,,,,,,,,,,
1979,42.1,45.7,12.2,100.0,,,,,,,,,,,,,,,,,,,,,,,
1980,41.1,47.4,11.5,100.0,,,,,,,,,,,,,,,,,,,,,,,
1981,41.2,47.6,11.3,100.0,,,,,,,,,,,,,,,,,,,,,,,
1982,39.2,50.2,10.6,100.0,,,,,,,,,,,,,,,,,,,,,,,
1983,38.6,51.0,10.4,100.0
1984,39.4,49.8,10.8,100.0
1985,38.1,51.0,10.9,100.0
1986,37.1,52.1,10.8,100.0
1987,37.0,52.5,10.5,100.0
1988,37.3,52.6,10.1,100.0
1989,37.7,52.7,9.6,100.0
1990,37.1,53.7,9.2,100.0
1991,36.4,55.2,8.3,100.0
1992,36.0,55.7,8.2,100.0
1993,35.9,55.8,8.4,100.0
1994,36.3,55.2,8.6,100.0
1995,36.0,55.4,8.6,100.0
1996,35.9,55.2,8.9,100.0
1997,36.2,54.8,9.0,100.0
1998,35.9,54.8,9.3,100.0
1999,35.7,54.8,9.4,100.0,,
2000,35.1,55.3,9.6,100.0,,
2001,33.7,56.6,9.7,100.0,,
2002,33.0,57.7,9.3,100.0,,
"NOTE: GDP can be classified into services, goods, and structures. 
Services include government consumption expenditures, which are for services (such as educationand national defense) produced by government.  
Structures include fixed assets such as roads, railroad tracks, airports, power plants, and medical buildings. Goods include all goods consumed as final demand.",,,,,,
"SOURCE:  
GDP data -- U.S. Department of Commerce, Bureau of Economic Analysis, National Income and Products Account (NIPA), available at http://www.bea.gov/bea/dn/nipaweb/index.asp, as of February 2004. 
Ton-miles data -- U.S. Department of Transportation, Bureau of Transportation Statistics, National Transportation Statistics (online: February 2004). 
Population data -- U.S. Department of Commerce, Census Bureau, available at http://eire.census.gov/popest/archives/pre1980/popclockest.txt, as of February 2004.",,,,,,

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