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| Sub-Chapter | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tungsten (wolfram) and articles thereof, including waste and scrap. | | | $1,326 | | $3,143 |
| Molybdenum and articles thereof, including waste and scrap. | $94 | $18 | | | |
| Cobalt mattes and other intermediate products of cobalt metallurgy | | | | | $5,899 |
| Titanium and articles thereof, including waste and scrap. | | | | $18,703 | |
| Manganese and articles thereof, including waste and scrap. | | | $457,805 | $451,339 | |
| Total | $94 | $18 | $459,131 | $470,042 | $9,042 |
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