"Table 7. Top 10 States Trading with Mexico by Surface Modes of Transportation, Ranked by March 2006 Surface Trade Value",, (millions of dollars),, Rank,State,March 2006 1,Texas,"7,736" 2,California,"4,057" 3,Michigan,"2,675" 4,Arizona,952 5,Illinois,757 6,Ohio,632 7,Tennessee,548 8,Indiana,503 9,New York,467 10,North Carolina,453 "Source: BTS Transborder Surface Freight Dataset, http://www.bts.gov/transborder/",,