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| Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Tungsten (wolfram) and articles thereof, including waste and scrap. | $17,422 | $8,473 | $111,175 | $164,851 | $61,650 | $14,460 |
| Molybdenum and articles thereof, including waste and scrap. | | $4,044 | $4,396 | $9,699 | $2,944 | $8,669 |
| Tantalum and articles thereof, including waste and scrap. | $4,546,080 | $4,587,015 | $3,831,592 | $4,519,825 | $2,204,855 | $3,358,598 |
| Magnesium and articles thereof, including waste and scrap. | $11,147 | $48 | | $2,441 | $7,599 | $6,436 |
| Cobalt mattes and other intermediate products of cobalt metallurgy | | $622 | $1 | $679 | $26,447 | |
| Bismuth and articles thereof, including waste and scrap. | | | | $698 | $10,573 | $2,778 |
| Cadmium and articles thereof, including waste and scrap. | | | $36 | | | |
| Titanium and articles thereof, including waste and scrap. | $28,626 | $6,050 | $18,511 | $16,810 | $43,245 | $28,924 |
| Zirconium and articles thereof, including waste and scrap. | $1,094 | | | $10,964 | $2,175 | $1,176 |
| Beryllium, chromium, germanium, vanadium, gallium, hafnium | | $848 | | | $30,180 | $580 |
| Cermets and articles thereof, including waste and scrap. | | | $100 | | | |
| Total | $4,604,369 | $4,607,100 | $3,965,811 | $4,725,967 | $2,389,668 | $3,421,621 |
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