(Short tons, thousands)
| 2000 | 2005 | 2006 | 2007 | 2008 | |
|---|---|---|---|---|---|
| Imports | 214 | 148 | 162 | 170 | 118 |
| Exports | 154 | 134 | 125 | 132 | 141 |
| TOTAL | 368 | 282 | 287 | 301 | 259 |
SOURCE: U.S. Department of Transportation, Resarch and Innovative Technology Administration, Bureau of Transportation Statistics, Form 41 Traffic-Segment Data, various years, as of July 20, 2009.