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| Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tungsten (wolfram) and articles thereof, including waste and scrap. | | | $402 | | | | |
| Tantalum and articles thereof, including waste and scrap. | | $14 | | | | | |
| Magnesium and articles thereof, including waste and scrap. | $7,000 | $6,540 | $56,321 | $40,451 | $8,621 | $23,826 | $12,272 |
| Zirconium and articles thereof, including waste and scrap. | | | | | | $457 | |
| Cermets and articles thereof, including waste and scrap. | | | $5,556 | $117,573 | | | |
| Total | $7,000 | $6,554 | $62,279 | $158,024 | $8,621 | $24,283 | $12,272 |
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