(Short tons, thousands)
| 2000 | 2005 | 2006 | 2007 | 2008 | |
|---|---|---|---|---|---|
| Imports | 369 | 343 | 363 | 376 | 416 |
| Exports | 274 | 280 | 317 | 341 | 356 |
| TOTAL | 643 | 623 | 680 | 717 | 772 |
SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, Form 41 Traffic-Segment Data, various years, as of July 20, 2009.