(Short tons, thousands)
| 1999 | 2000 | 2001 | 2002 | 2003 | |
|---|---|---|---|---|---|
| Imports | 584 | 598 | 551 | 568 | 543 |
| Exports | 423 | 423 | 385 | 345 | 348 |
| Total | 1,007 | 1,021 | 936 | 914 | 891 |
SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics, Form 41 Traffic - Segment Data, various years, as of Sept. 16, 2004.