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| Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tungsten (wolfram) and articles thereof, including waste and scrap. | $13,590 | $11,016 | $9,423 | $839 | $1,320 | | $4,976 |
| Molybdenum and articles thereof, including waste and scrap. | $40 | | | | | | |
| Tantalum and articles thereof, including waste and scrap. | | | | | $547 | | $178,151 |
| Magnesium and articles thereof, including waste and scrap. | $6,516 | | | $5,196 | | $6,469 | $394 |
| Cobalt mattes and other intermediate products of cobalt metallurgy | | | | $98,968 | $156,603 | $159,191 | |
| Titanium and articles thereof, including waste and scrap. | $1,122 | | $15,110 | $15,311 | $11,469 | $8,529 | $4,901 |
| Manganese and articles thereof, including waste and scrap. | | | $4,000 | $165,000 | $1,423,220 | $1,671 | |
| Beryllium, chromium, germanium, vanadium, gallium, hafnium | | | | $14 | | | |
| Total | $21,268 | $11,016 | $28,533 | $285,328 | $1,593,159 | $175,860 | $188,422 |
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