Table 3. Monthly U.S. Merchandise Trade with Canada and Mexico using Surface Transportation,,,,,, (millions of dollars),,,,,, Mode,,December 2003,November 2004 R,December 2004,Percent Change November-December 2004,Percent Change December 2003-2004 All Surface Modes,Imports,"25,939","32,005","29,668",-7.3,14.4 ,Exports,"19,486","24,129","22,397",-7.2,14.9 ,Total,"45,425","56,134","52,065",-7.3,14.6 Truck,Imports,"16,805","20,764","19,141",-7.8,13.9 ,Exports,"15,377","19,062","17,758",-6.8,15.5 Rail,Imports,"5,880","6,677","6,199",-7.2,5.4 ,Exports,"2,259","2,901","2,528",-12.9,11.9 Pipeline,Imports,"2,381","3,465","3,309",-4.5,39 ,Exports,103,104,238,129.4,130.2 R Data have been revised since last monthly release,,,,,, "Source: BTS Transborder Surface Freight Dataset, http://www.bts.gov/transborder/",,,,,,