Figure 1,,,,,,,
"Value of Goods Exchanged in U.S. Trade with Canada and Mexico by Mode: 1996, 2001, and 2006",,,,,,,
,1996,2001,2002,2003,2004,2005,2006
Truck, 294 ,395,398,404,453,491, 534 
Rail, 73 ,93,92,96,108,116, 129 
Vessel, 19 ,29,33,38,46,58, 70 
Pipeline, 13 ,26,23,32,38,52, 57 
Air, 23 ,37,30,28,32,33, 36 
"SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, Transborder Freight Data, as of March 2007",,,,,,,
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