Figure 11,,,, "Top Five Commodities of U.S. Merchandise Trade with Canada and Mexico by Vessel, 2007",,,, ,Exports ,Imports ,Total Trade, Iron and steel (HTS 72),0,1,1, "Ores, slag and ash (HTS 26)",1,0,1, Motor vehicles and parts (HTS 87),0,2,2, Organic chemicals (HTS 29),4,1,4, "Mineral fuels, oils and waxes (HTS 27)",8,49,57, "SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, Transborder Freight Data as of October 2008.",,,,