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| Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Tungsten (wolfram) and articles thereof, including waste and scrap. | $18,962 | | | | $79 | $12,313 |
| Molybdenum and articles thereof, including waste and scrap. | | | $6,186 | $42 | $5,246 | |
| Magnesium and articles thereof, including waste and scrap. | $209 | | | $4,761 | | |
| Cobalt mattes and other intermediate products of cobalt metallurgy | $614 | | | | | |
| Cadmium and articles thereof, including waste and scrap. | | | | | $1,241 | |
| Beryllium, chromium, germanium, vanadium, gallium, hafnium | | $901 | $666 | | | $34 |
| Cermets and articles thereof, including waste and scrap. | $489 | $16,744 | $128,253 | $3,961 | $1,839 | |
| Total | $20,274 | $17,645 | $135,105 | $8,764 | $8,405 | $12,347 |
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