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| Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tungsten (wolfram) and articles thereof, including waste and scrap. | $29,647 | $3,882 | | | | $1,155 | |
| Tantalum and articles thereof, including waste and scrap. | $173 | | | | | | |
| Magnesium and articles thereof, including waste and scrap. | | $1,983 | | $38 | | $3,952 | $3,570 |
| Cobalt mattes and other intermediate products of cobalt metallurgy | $2,113 | $3,856 | $29,052 | $2,706 | $12,355 | $23,400 | $51,282 |
| Titanium and articles thereof, including waste and scrap. | | $1,334 | $29,680 | $13,547 | $805 | $1,988 | $8,445 |
| Zirconium and articles thereof, including waste and scrap. | | $1,975 | $5,190 | | | $3,319 | |
| Manganese and articles thereof, including waste and scrap. | $7 | $4,058 | | | | $10,374 | $15,668 |
| Cermets and articles thereof, including waste and scrap. | | $17,344 | | $358 | | | |
| Total | $31,940 | $34,432 | $63,922 | $16,649 | $13,160 | $44,188 | $78,965 |
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