4-1 U.S. Gross Domestic Product by Major Societal Function: 2009
4-1 U.S. Gross Domestic Product by Major Societal Function: 2009
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Percent

a Includes transportation-related goods (e.g.,
vehicles and fuel) and services (e.g., auto insurance), private investment in
transportation-related structures and equipment, net exports related to
transportation, and change in motor vehicles inventory.
b Includes all other
categories.
Source: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, calculated based on data from U.S. Department of Commerce, Bureau of Economic Analysis, National Income and Product Account Tables, available at http://www.bea.gov/national/nipaweb/Index.asp as of October 2010 as reported in U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, National Transportation Statistics, table 3-5, available at http://www.bts.gov/publications/national_transportation_statistics/ as of January 2011.