(Short tons, thousands)
| 1999 | 2000 | 2001 | 2002 | 2003 | |
|---|---|---|---|---|---|
| Imports | 190 | 214 | 166 | 174 | 155 |
| Exports | 134 | 154 | 128 | 126 | 131 |
| Total | 324 | 368 | 293 | 300 | 286 |
SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics, Form 41 Traffic - Segment Data, various years, as of Sept. 16, 2004.