(Short tons, thousands)
| 1999 | 2000 | 2001 | 2002 | 2003 | |
|---|---|---|---|---|---|
| Imports | 706 | 687 | 754 | 820 | 841 |
| Exports | 608 | 564 | 588 | 538 | 518 |
| Total | 1,314 | 1,250 | 1,342 | 1,359 | 1,358 |
SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics, Form 41 Traffic - Segment Data, various years, as of Sept. 16, 2004.