(Short tons, thousands)
| 2000 | 2005 | 2006 | 2007 | 2008 | |
|---|---|---|---|---|---|
| Imports | 1,230 | 2,024 | 2,124 | 2,125 | 1,691 |
| Exports | 739 | 907 | 939 | 946 | 796 |
| TOTAL | 1,969 | 2,931 | 3,062 | 3,071 | 2,487 |
SOURCE: U.S. Department of Transportation, Research and Innovative Technology Adminsitration, Bureau of Transportation Statistics, Form 41 Traffic-Segment Data, various years, as of July 20, 2009.