Index: 1991 = 1.00
|U.S. resident population||1.00||1.01||1.03||1.04||1.05||1.06||1.08||1.09||1.10||1.12||1.13|
|GDP per capita||1.00||1.02||1.03||1.06||1.07||1.10||1.14||1.17||1.21||1.24||1.23|
NOTES: Total passenger-miles of travel (pmt) excludes motorcycle pmt and results in some double counting of bus pmt.
SOURCES: GDP-Based on chained 2000 dollar data from U.S. Department of Commerce (USDOC), Bureau of Economic Analysis, National Income and Product Accounts, summary GDP table, available at http://www.bea.doc.gov/bea/dn1.htm, as of January 2004. Population-USDOC, U.S. Census Bureau, National Intercensal Estimates 1990-2000 and National Population Estimates, available at http://eire.census.gov/popest/estimates.php, as of October 2003. Pmt-U.S. Department of Transportation, Bureau of Transportation Statistics, National Transportation Statistics 2002, table 1-34 revised, available at http://www.bts.gov/, as of October 2003.