a Non-farm payroll employment.
b Converted to chained 2005 dollars by the Bureau of Transportation Statistics using the CPI-U-RS price index.
Key: GDP = gross domestic product.
Note: Graphs with same color trend lines have identical scales.
Sources: Population, Households, GDP, Income, Expenditures–U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, National Transportation Statistics, table A, available at www.bts.gov as of November 2013. Employment–U.S. Department of Labor, Bureau of Labor Statistics, available at www.bls.gov as of November 2013.