Table 1. Value of Monthly U.S. Surface Trade with Canada and Mexico ,,,,, (millions of dollars),,,,, Month,2004,2005,2006,Percent Change 2004-2005,Percent Change 2005-2006 January,"45,686","52,334","61,189",14.6,16.9 February,"48,170","53,592","59,804",11.3,11.6 March,"56,269","59,436","68,213",5.6,14.8 April,"53,195","58,297","61,742",9.6,5.9 May,"53,155","57,870","65,994",8.9,14.0 June,"55,422","59,431","66,898",7.2,12.6 July,"48,096","49,690","55,939",3.3,12.6 August,"53,577","60,188","66,354",12.3,10.2 September,"54,913","61,166","63,295",11.4,3.5 October,"56,880","63,985","66,846",12.5,4.5 November,"56,134","62,894",,12.0, December,"52,065","59,104",,13.5, Year-to-date,"525,363","575,989","636,273",9.6,10.5 Annual,"633,563","697,987",,10.2, "Source: BTS Transborder Freight Data, http://www.bts.gov/transborder/",,,,, Note: Numbers may not add to totals due to rounding.,,,,, ,,,,, ,,,,,