(Short tons, thousands)
| Rank | Export destination | Tons |
|---|---|---|
| 1 | Canada | 34 |
| 2 | Mexico | 23 |
| 3 | United Kingdom | 22 |
| Rank | Import origin | Tons |
|---|---|---|
| 1 | Canada | 28 |
| 2 | France | 26 |
| 3 | Mexico | 24 |
SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics, Form 41 Traffic - Segment Data, various years, as of Sept. 16, 2004.