Table 7. Top 10 States Trading with Mexico by Surface Modes of Transportation ,, Ranked by May 2006 Surface Trade Value,, (millions of dollars),, Rank,State,May-06 1,Texas,"7,278" 2,California,"3,709" 3,Michigan,"2,479" 4,Arizona,916 5,Illinois,806 6,Ohio,563 7,New York,501 8,Tennessee,485 9,North Carolina,439 10,Indiana,439 "Source: BTS Transborder Surface Freight Dataset, http://www.bts.gov/transborder/",,