Will the U.S. Share Decline as Our competitors Expand?
| World Trade | U.S. Share | |
| (million tons) | % | |
| 1980 | 1.157 | 22.213 |
| 1.564 | 20.844 | |
| 1.472 | 15.421 | |
| 1.386 | 14.141 | |
| 1.339 | 13.816 | |
| 1.395 | 13.548 | |
| 1.457 | 17.639 | |
| 1.67 | 20.419 | |
| 1.814 | 19.129 | |
| 2.026 | 18.213 | |
| 1990 | 2.277 | 22.749 |
| 2.493 | 22.944 | |
| 2.806 | 24.056 | |
| 3.122 | 28.539 | |
| 3.845 | 33.914 | |
| 4.693 | 37.631 | |
| 1996 | 5.32 | 37.688 |
| 4.929 | 42.93 | |
| 4.465 | 47.48 | |
| 4.738 | 47.108 | |
| 5.284 | 47.634 | |
| 5.883 | 47.748 | |
| 2002(f) | 6.246 | 46.11 |
|