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| Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tungsten (wolfram) and articles thereof, including waste and scrap. | | | | | | | $17,685 |
| Magnesium and articles thereof, including waste and scrap. | $11,776 | $29,767 | $20,077 | $24,301 | $12,256 | $23,287 | $26,796 |
| Titanium and articles thereof, including waste and scrap. | | | $8,421 | | $410 | $345 | $90,213 |
| Cermets and articles thereof, including waste and scrap. | | $61,677 | $733 | | | | |
| Total | $11,776 | $91,444 | $29,231 | $24,301 | $12,666 | $23,632 | $134,694 |
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