5-9,,,, U.S. Trade in Transportation-Related Commodities: 2006,,,, (Millions of current U.S. dollars),,,, Commodity and code,Exports,Imports,Total trade,Balance Motor vehicles and parts (87),"92,703","215,379","308,082","-122,676" "Aircraft, spacecraft, and parts (88)","66,753","17,592","84,345","49,161" "Ships, boats, and floating structures (89)","2,700","1,555","4,255"," 1,145 " Railway or tramway locomotives and parts (86),"2,714","1,744","4,458",970 "Total, transportation commodities","164,870","236,270","401,140","-71,400" "Total, all commodities","1,037,143","1,855,119","2,673,095","-817,976" Transportation commodities share of trade,15.9%,12.7%,15.0%,8.7% Notes: The numbers in parentheses are the classification categories from the Harmonized Schedule of Commodity Codes.,,,, "Classification category (87) also includes bicycles, wheelchairs, and baby carriages.",,,, Total trade = exports plus imports. Balance = exports minus imports.,,,, "Source: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics; based on data from U.S. Department of Commerce, U.S. International Trade Commission, Interactive Tariff and Trade DataWeb, available at http://dataweb.usitc.gov as of September 2007.",,,,