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Percent
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1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 Good condition 68 N N N 72 N 72 73 73 71 75...Millions
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1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 Tons 1,399 1,397 1,470 1,550 1,611 1,585 1,649 1,717 1,738 1,742 1,767...Excel | CSV | Graphic Version
1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 Passenger car occupants 8.3 8.3 8.4 8.4 8.4 8.1 7.7 7.5...Excel | CSV | Graphic Version
Person Miles Person Trips Number (billions) Percent of miles Number (millions) Percent of trips Walking 26,202 0.65 35,326 8.60 Bicycling 6,195...Chained 2000 dollars
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1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 Vehicle purchases 2,517 2,569 2,889 2,693 2,820 2,...Billions of current dollars
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1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 Highway 33.2 33.5 33.6 35.4...Excel | CSV | Graphic Version
Mode or source Percentage of total All oil spills (gallons) Maritime tank vessels 37.4 7,245,027 Maritime no tank and other vessels 18.5 3,584,388 Maritime...Millions
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1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 Air 350,185 365,564 372,130 398,199 414,688 446,652 463,112 476,362...Millions of unlinked trips
Excel | CSV | Graphic Version - Figure 7-3 | Graphic Version - Figure 7-4
1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 Bus 4,748.5...Million barrels per day
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1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 Transportation 10.9 11.1 11.4 11.7 11.9 12.1 12.4 12.8 13....