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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...Monthly data, seasonally adjusted annual rate
Private Expenditures on Transportation-Related Construction...Millions of current dollars
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Imports Exports Total Trade balance 1995 41,697 44,990 86,687 3,293 1996 43,212 46,496 89,708 3,284...Millions of short tons
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Passenger cars Light-duty trucks All other trucks Buses Aircraft Ships and boats Locomotives Other Total, all modes 1995 599.6 401.6...Number of Bridges
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1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 Total all bridges 572,205 574,036 572,...Number of incidents
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Year Total 1997 252 1998 210 1999 309 2000 471 2001 370 2002 383 2003 452 2004 330 2005 266...Current dollars (billions)
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1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Public highways and streets 1,074.1 1,127.4 1,211.1 1,254.9 1,337.2...