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| Sub-Chapter | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tungsten (wolfram) and articles thereof, including waste and scrap. | | | | | | $103 |
| Magnesium and articles thereof, including waste and scrap. | | | $2,032 | $1,772 | $23,854 | $923 |
| Cobalt mattes and other intermediate products of cobalt metallurgy | $1 | | $7 | | | |
| Titanium and articles thereof, including waste and scrap. | $9,069 | $231 | $20,469 | $99,350 | $946 | |
| Beryllium, chromium, germanium, vanadium, gallium, hafnium | | $49,006 | | | $1,892 | $674 |
| Total | $9,070 | $49,237 | $22,508 | $101,122 | $26,692 | $1,700 |
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