(Short tons, thousands)
| 1999 | 2000 | 2001 | 2002 | 2003 | |
|---|---|---|---|---|---|
| Imports | 91 | 110 | 123 | 137 | 137 |
| Exports | 65 | 81 | 104 | 108 | 116 |
| Total | 155 | 191 | 226 | 246 | 253 |
SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics, Form 41 Traffic - Segment Data, various years, as of Sept. 16, 2004.