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| Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 |
| Tungsten (wolfram) and articles thereof, including waste and scrap. | $2,522 | $250 | | $13,789 | $231 |
| Tantalum and articles thereof, including waste and scrap. | | $2,486 | | $372 | |
| Magnesium and articles thereof, including waste and scrap. | $17,855 | $223,830 | $14,164 | $1,929 | |
| Cobalt mattes and other intermediate products of cobalt metallurgy | $20,482 | $9,498 | $939 | $1,059 | $25,822 |
| Cadmium and articles thereof, including waste and scrap. | | | | | $2,200 |
| Titanium and articles thereof, including waste and scrap. | | | | $11,669 | |
| Beryllium, chromium, germanium, vanadium, gallium, hafnium | | | | $16,493 | |
| Total | $40,859 | $236,064 | $15,103 | $45,311 | $28,253 |
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