Table 3-17:  Average Freight Revenue Per Ton-mile (Current ¢),,,,,,,,,,,,,,,,,,,,,,,
,1960,1965,1970,1975,1980,1985,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000,2001,2002,2003,2004,2005,2006
"Air carrier, domestic, scheduled service",22.8,20.5,21.9,28.2,46.3,48.8,64.6,64.8,64.1,71.4,72.2,76.5,81.5,79.8,82.7,80.9,78.0,80.4,60.8,53.2,59.4,76.2,82.2
Index (1990 = 100),35,32,34,44,72,75,100,100,99,110,112,118,126,123,128,125,121,124,94,82,92,118,127
Trucka,6.3,6.5,8.5,11.6,18.0,22.9,24.4,24.8,23.1,25.0,25.0,25.1,26.0,26.1,26.2,26.2,27.0,26.6,U,U,U,U,U
Index (1990 = 100),26,26,35,48,74,94,100,102,95,102,103,103,107,107,107,107,111,109,U,U,U,U,U
Class I rail,1.40,1.27,1.43,2.04,2.87,3.04,2.66,2.59,2.58,2.52,2.49,2.40,2.35,2.40,2.34,2.28,2.26,2.24,2.26,2.28,2.35,2.62,2.84
Index (1990 = 100),53,48,54,77,108,114,100,97,97,95,94,90,88,90,88,86,85,84,85,86,88,99,107
Barge,N,0.35,0.30,0.52,0.77,0.80,0.76,0.78,0.76,0.76,0.74,0.73,0.73,0.74,0.74,0.74,0.73,0.72,U,U,U,U,U
Index (1990 = 100),N,46,40,68,102,106,100,103,100,100,97,97,96,97,98,98,97,95,U,U,U,U,U
Oil pipeline,0.32,0.28,0.27,0.37,c1.33,1.57,1.46,1.40,1.45,1.43,1.47,1.51,1.40,1.40,1.38,1.46,1.45,1.47,U,U,U,U,U
Index (1990 = 100),22,19,19,25,91,107,100,96,100,98,101,104,96,96,95,100,100,101,U,U,U,U,U
Producer Price Index (1982 = 100)b,33,34,39,58,88,105,119,122,123,125,126,128,131,132,131,133,138,141,139,143,149,156,160
KEY:  U = data are not available.,,,,,,,,,,,,,,,,,,,,,,,
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"a  General freight common carriers, most of which are LTL (less-than-truckload) carriers.",,,,,,,,,,,,,,,,,,,,,,,
b  Total finished goods.,,,,,,,,,,,,,,,
c  Reflects entrance of Alaska pipeline moving crude petroleum to U.S. refineries between 1975 and 1980.,,,,,,,,,,,,,,,
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SOURCES,,,,,,,,,,,,,,,
"Air carrier, domestic, scheduled service:",,,,,,,,,,,,,,,
"1960: Civil Aeronautics Board, Handbook of Airline Statistics, 1969 (Washington, DC: 1970), part III, tables 2 and 13.",,,,,,,,,,,,,,,
"1965-70: Ibid., Handbook of Airline Statistics, 1973 (Washington, DC: 1974), part III, tables 2 and 13.",,,,,,,,,,,,,,,
"1975-80: Ibid., Air Carrier Traffic Statistics (Washington,  DC: 1976, 1981), pp. 4 and 14 (December 1976) and pp. 2 and 3 (December 1981).",,,,,,,,,,,,,,,
"1985-2006: U.S. Department of Transportation, Bureau of Transportation Statistics, Office of Airline Information,  Air Carrier Financial Statistics (Washington, DC:  Annual December issues) (freight operating revenues).",,,,,,,,,,,,,,,
"Ibid., Air Carrier Traffic Statistics (Washington, DC:  Annual December issues) (freight revenue ton-miles).",,,,,,,,,,,,,,,
"Truck, barge, and oil pipeline:",,,,,,,,,,,,,,,
"1960-2001: Eno Transportation Foundation, Inc., Transportation in America, 2002 (Washington, DC: 2002), p. 47.",,,,,,,,,,,,,,,
Class I rail:,,,,,,,,,,,,,,,
"1960-2005: Association of American Railroads, Railroad Facts 2006 (Washington, DC: 2006), p. 30.  ",,,,,,,,,,,,,,,
Producer Price Index:,,,,,,,,,,,,,,,
"1960-2006: Council of Economic Advisors, Economic Report of the President, 2007 (Washington, DC: 2007), table B-65.",,,,,,,,,,,,,,,