|
| Sub-Chapter | 2005 | 2006 | 2007 |
| Tungsten (wolfram) and articles thereof, including waste and scrap. | $469 | | |
| Magnesium and articles thereof, including waste and scrap. | $466 | | |
| Cobalt mattes and other intermediate products of cobalt metallurgy | | | $8,624 |
| Titanium and articles thereof, including waste and scrap. | $1,929 | $52 | |
| Beryllium, chromium, germanium, vanadium, gallium, hafnium | $47 | $28 | $122 |
| Cermets and articles thereof, including waste and scrap. | $876 | $966 | $171 |
| Total | $3,787 | $1,046 | $8,917 |
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