Table 1. Monthly Value of U.S. Surface Trade with Canada and Mexico ,,,
(millions of dollars),,,
Month,2003,2004,Percent Change      2003-2004
January,"43,756","45,686",4.4
February,"43,835","48,170",9.9
March,"49,358","56,269",14.0
April,"46,842","53,195",13.6
May,"48,813","53,155",8.9
June,"47,432","55,422",16.9
July,"42,607","48,096",12.9
August,"45,024","53,577",19.0
September,"48,867","54,913",12.4
October,"52,362","56,880",8.6
November,"48,456","54,870",12.5
December,"45,425",,
Year to Date,"517,352","580,233",12.2
Annual,"562,780",,
"Source: BTS Transborder Surface Freight Dataset, http://www.bts.gov/transborder/",,,