Figure 9,,,,,,,,,,,,,,,,,,,,,,
"Index of U.S. Domestic-Freight Ton-Miles
by Mode: 1980–2000",,,,,,,,,,,,,,,,,,,,,,
(Index: 1980 = 100),,,,,,,,,,,,,,,,,,,,,,
,1980,1981,1982,1983,1984,1985,1986,1987,1988,1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000,
Air carrier,100.0,102.8489399,98.85159011,111.6386926,121.3118375,113.869258,140.3710247,167.6015901,180.4107774,197.7473498,200.1766784,195.6713781,216.8727915,235.7553004,260.6669611,276.5017668,284.0326855,300.3754417,303.7985866,308.2597173,330.8966431,
Intercity truck,100.0,94.95495495,93.69369369,103.6036036,109.1891892,109.9099099,113.8738739,119.4594595,126.1261261,129.009009,132.4324324,136.5765766,146.8468468,155.1351351,163.6036036,165.9459459,175.1351351,189.3693694,185.045045,196.9369369,205.8141692,
Class I rail,100.0,99.04359068,86.81125797,90.13197556,100.281188,95.43243543,94.42455477,102.6975117,108.4034308,110.3250638,112.5153707,113.0492362,116.0859365,120.7137867,130.6589536,142.0835337,147.5557098,146.7886454,149.8220811,155.9876512,159.5241567,
Water ,100.0,100.822056,96.16352167,99.75386051,96.29922925,96.86874549,94.7459144,97.13408582,96.54959944,88.47027939,90.42225561,92.03371536,92.9325747,85.66153379,88.40182896,87.62175444,82.95269761,76.73932971,72.98431932,71.14738538,70.05581259,
Oil pipeline,100.0,95.91836735,96.2585034,94.55782313,96.59863946,95.91836735,98.29931973,99.82993197,102.2108844,99.31972789,99.31972789,98.46938776,100.170068,100.8503401,100.5102041,102.2108844,105.2721088,104.9319728,105.4081633,105.952381,106.7161594,
"Sources: USDOT, Bureau of Transportation Statistics, National Transportation Statistics 2002 (Washington, DC: 2002), table 1-44.",,,,,,,,,,,,,,,,,,,,,,