The U.S. Gasoline Market, 52 Yearly Observations, 1953-2004 Source: These data were compiled by Professor Chris Bell, Department of Economics, University of North Carolina, Asheville. Sources: www.bea.gov and www.bls.gov * Year = Year, 1953-2004, * GasExp = Total U.S. gasoline expenditure, * Pop = U.S. total population in thousands * GasP = Price index for gasoline, * Income = Per capita disposable income, * Pnc = Price index for new cars, * Puc = Price index for used cars, * Ppt = Price index for public transportation, * Pd = Aggregate price index for consumer durables, * Pn = Aggregate price index for consumer nondurables, * Ps = Aggregate price index for consumer services.