Table 3. March 2007 Surface Trade with Canada and Mexico Compared with March of Prior Years,,, Compared to March in…,Percent Change ,, ,Imports,Exports,Total Surface Trade 2006,3.8,0.3,2.3 2005,18.7,15.7,17.4 2004,24.6,23.1,24.0 2003,39.1,44.4,41.3 2002,52.4,53.8,53.0 2001,40.0,37.5,38.9 2000,38.3,26.9,33.2 1999,64.4,55.4,60.5 1998,85.1,55.2,71.0 1997,110.4,81.6,97.0 "Source: BTS TransBorder Freight Data, http://www.bts.gov/transborder/",,, ,,, ,,,