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| Sub-Chapter | 2005 | 2006 | 2007 |
| Tungsten (wolfram) and articles thereof, including waste and scrap. | $2,766 | $893 | $3,517 |
| Molybdenum and articles thereof, including waste and scrap. | $16,535 | $12,888 | $1,016 |
| Tantalum and articles thereof, including waste and scrap. | $440 | | $418 |
| Magnesium and articles thereof, including waste and scrap. | $63,549 | $73,666 | $6,999 |
| Cobalt mattes and other intermediate products of cobalt metallurgy | $33,203 | $472 | $12,508 |
| Bismuth and articles thereof, including waste and scrap. | | $305 | |
| Cadmium and articles thereof, including waste and scrap. | | $467 | $6 |
| Titanium and articles thereof, including waste and scrap. | $1,471 | $2,072 | $733 |
| Zirconium and articles thereof, including waste and scrap. | $2,024 | $570 | $1,460 |
| Manganese and articles thereof, including waste and scrap. | $7,249 | | |
| Beryllium, chromium, germanium, vanadium, gallium, hafnium | $3,011 | $942 | $656 |
| Cermets and articles thereof, including waste and scrap. | $59,319 | $1,389 | $16,398 |
| Total | $189,567 | $93,664 | $43,711 |
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