(Short tons, thousands)
| Rank | Export destination | Tons |
|---|---|---|
| 1 | Mexico | 39 |
| 2 | United Kingdom | 32 |
| 3 | Taiwan | 27 |
| Rank | Import origin | Tons |
|---|---|---|
| 1 | South Korea | 91 |
| 2 | Taiwan | 50 |
| 3 | Japan | 40 |
SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics, Form 41 Traffic - Segment Data, various years, as of Sept. 16, 2004.