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Mode Percent Person-miles (millions) SE (millions) Personal vehicle 55.9 760,325 11,695 Air 41.0 557,609 25,376 Bus 2.0 27,081 3,048 Train...Excel | CSV | Graphic Version
Age Males (number) Females (number) 0-4 44,877 42,532 5-9 44,624 43,263 10-14 136,387 139,247 15-19 157,678 196,890 20-24 227...Thousands of short tons
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1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 Carbon monoxide 109,113 103,833 98,667 93,440 88,217 82,988 80,...Excel | CSV | Graphic Version
Ton-miles Percent Air 13 0.3 Truck 1,260 29.1 Railroad 1,599 36.9 Water 622 14.3 Oil and natural gas pipeline 843 19.4 Total 4,...Excel | CSV | Graphic Version
Vehicle type Injuries per 100 million pmt Number of injuries Passenger car 69.3 1,926,625 Motorcyclists 555.2 60,236 Light truck 51.1...Millions of current dollars
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1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 Imports 82,101 81,109 85,070...Percentage of scheduled flights
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1995 1996 1997 1998 1999 2000 2001 2002 2003 On-time flights 78.6 74.5 77.9 77.2 76.1 72.6 77.4 82.1...Billions of current dollars
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1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 Federal (direct) 2.0...Current dollars
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1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 Variable 0.09 0.09 0.09 0.10 0.10 0.11 0.11 0.11 0.12...Excel | CSV
1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 Transportation sector energy use (Quadrillion Btu) 22.9 23.5 24.0 24.5 24.8 25.4...