 |
|
|
|
Figure 2
Domestic Ton-Miles, Gross Domestic Product, and Resident Population: 1975–1999
Excel |
CSV |
Table Version
KEY: GDP = Gross Domestic Product.
SOURCE: GDP data—U.S. Department of Commerce, Bureau of Economic Analysis,
available at www.bea.doc.gov/bea/dn/gdplev.htm,
as of Apr. 20, 2001. Ton-miles data—U.S. Department of Transportation, Bureau
of Transportation Statistics, National Transportation Statistics 2001
(Washington, DC: 2002). Population data—U.S. Department of Commerce, U.S. Census
Bureau, available at www.census.gov/population/estimates/nation/popclockest.txt,
as of Apr. 20, 2001.
|
|
|
|
|
