Table 4. U.S. Merchandise Trade with Canada by Surface Modes of Transportation,,,,,, (millions of dollars),,,,,, Mode,,December 2004,November 2005,December 2005,Percent Change Nov.– Dec. 2005,"Percent Change December 2004-2005" ,,,,,, All Surface Modes,Imports,"19,306","24,074","23,378",-2.9,21.1 ,Exports,"14,444","16,974","15,850",-6.6,9.7 ,Total,"33,750","41,048","39,228",-4.4,16.2 ,,,,,, Truck,Imports,"10,666","12,894","11,152",-13.5,4.6 ,Exports,"11,357","13,379","12,353",-7.7,8.8 ,,,,,, Rail,Imports,"4,527","5,546","5,562",0.3,22.9 ,Exports,"1,364","1,716","1,617",-5.8,18.6 ,,,,,, Pipeline,Imports,"3,309","4,753","5,402",13.7,63.2 ,Exports,226,147,212,44.3,-6.1 "Note: The value of all surface modes is not equal to the sum of truck, rail and pipeline modes. The value of trade for all surface modes includes shipments made by truck, rail, pipeline, mail, foreign trade zones, other and unknown modes of transportation.  For additional detail refer to the Transborder Surface Freight data ""Sources and Reliability"" statement: http://www.bts.gov/ntda/tbscd/srfin.html; Numbers may not add to totals due to rounding.",,,,,, "Source: BTS Transborder Surface Freight Dataset, http://www.bts.gov/transborder/",,,,,,