(Short tons, thousands)
| 1999 | 2000 | 2001 | 2002 | 2003 | |
|---|---|---|---|---|---|
| Imports | 345 | 369 | 340 | 340 | 369 |
| Exports | 242 | 274 | 253 | 243 | 249 |
| Total | 587 | 643 | 593 | 583 | 619 |
SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics, Form 41 Traffic - Segment Data, various years, as of Sept. 16, 2004.