Table 7. Top 10 States Trading with Mexico by Surface Modes of Transportation ,, Ranked by June 2006 Surface Trade Value,, (millions of dollars),, Rank,State,Jun-06 1,Texas,"7,378" 2,California,"4,083" 3,Michigan,"2,778" 4,Arizona,843 5,Illinois,808 6,Ohio,575 7,New York,517 8,Tennessee,481 9,Indiana,475 10,North Carolina,467 "Source: BTS Transborder Freight Data, http://www.bts.gov/transborder/",,