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| Sub-Chapter | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tungsten (wolfram) and articles thereof, including waste and scrap. | $16 | $1,467 | $346 | $940 | $289 | $927 |
| Tantalum and articles thereof, including waste and scrap. | | | | | $787 | |
| Magnesium and articles thereof, including waste and scrap. | $47 | $35,650 | $106,114 | $9,897 | $35,693 | $923 |
| Cobalt mattes and other intermediate products of cobalt metallurgy | | $4,635 | $2,115 | | | |
| Titanium and articles thereof, including waste and scrap. | $1,255 | $7,156 | $9,956 | $3,070 | $1,270 | $2,301 |
| Manganese and articles thereof, including waste and scrap. | $53,764 | $6,145 | $18,451 | $8,437 | $5,356 | $5,803 |
| Beryllium, chromium, germanium, vanadium, gallium, hafnium | | | | | $353 | |
| Total | $55,082 | $55,053 | $136,982 | $22,344 | $43,748 | $9,954 |
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