|All other commodities||28.6|
|Wood and articles of wood||1.8|
|Furniture, lamps and prefabricated buildings||1.9|
|Paper and paperboard||2.2|
|Measuring and testing instruments||2.4|
|*Special classification provisions||2.8|
|Plastics and articles thereof||4.0|
|Computers, industrial machinery and parts||12.3|
|Electrical machinery, equipment and parts||12.4|
|Mineral fuels, oils and waxes||14.0|
|Motor vehicles and parts||17.7|
NOTE: *"Special classification provisions" is primarily made up of U.S. goods exported and returned without having been improved in value or condition for imports and an estimate of low value shipments for exports.
SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, Transborder Freight Data, as of March 2007.