Table 1. Value of Monthly U.S. Surface Trade with Canada and Mexico ,,,
(millions of dollars),,,
Month,2004,2005,Percent Change      2004-2005
January,"45,686","52,334",14.6
February,"48,170","53,592",11.3
March,"56,269","59,436",5.6
April,"53,195","58,297",9.6
May,"53,155","57,870",8.9
June,"55,422","59,431",7.2
July,"48,096",,
August,"53,577",,
September,"54,913",,
October,"56,880",,
November,"56,134",,
December,"52,065",,
Year-to-date,"311,897","340,960",9.3
Annual,"633,563",,
"Source: BTS Transborder Surface Freight Dataset, http://www.bts.gov/transborder/",,,