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Current Dollars
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Variable costs Fixed costs Total costs 1995 0.10 0.32 0.42 1996 0.10 0.33 0.43 1997 0.11 0.34 0.45...Btu per passenger-mile
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Passenger cars Light-duty trucks Transit buses Aircraft (domestic) Amtrak 1995 3,721 4,538 4,155 4,382 1,838 1996 3,688 4,541...Trillion Btu
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1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Air ...Millions of crossties
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Crossties replaced Crossties added 1995 12.1 0.7 1996 13.4 0.8 1997 11.9 1.5 1998 10.4 1.8 1999...Excel | CSV
2001 2002 2003 2004 2005 Percent change 2001-2005 Tanker 18,387 17,320 18,503 19,316 20,118 9.4 North Atlantic 3,682 3,122 3,679 3,801 3,875 5.2...Thousands of Revenue Passengers
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Passengers 1995 20,349 1996 19,700 1997 20,200 1998 21,248 1999 21,544 2000 22,985 2001 23,444 2002...Number
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Vessel types Age group (years) < 6 6-10 11-15 16-20 21-25 > 25 Dry cargo 115 106 74 137 116 419 Tanker 11 13 4 3 30 39 Towboat...Millions of short tons
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Carbon monoxide Nitrogen oxides Volatile organic compounds Sulfur dioxide All sources Transportation, total...Excel | CSV
Mexico Canada Total 1996 142,236 329,983...Years
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Heavy-rail passenger cars Commuter-rail passenger coaches Light-rail vehicles Full-size transit buses Vans Ferryboats 1995 19.3 21.4 16.8 8.6 3.1...