TABLE 5-8a Annual Average Long-Distance Trips per Person by Household Income: 2001,, "Number (millions) ",, Income group,Trips per person,SE "Less than $25,000",5.6,0.24 "$25,000 to $49,999",9.0,0.27 "$50,000 to $74,999",11.3,0.35 "$75,000 to $99,999",11.8,0.42 "$100,000 or more",13.2,0.36 Total,9.4,0.14 " KEY: SE = standard error.",, " NOTE: Excludes trips where income was not reported.",, " SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics and Federal Highway Administration, 2001 National Household Travel Survey data, CD-ROM, February 2004.",, ,, ,, ,, ,, ,, ,, ,,