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| Sub-Chapter | 2005 | 2006 | 2007 | 2008 |
| Tungsten (wolfram) and articles thereof, including waste and scrap. | $345 | | | $3,557 |
| Tantalum and articles thereof, including waste and scrap. | $236 | | | |
| Magnesium and articles thereof, including waste and scrap. | $16 | $1,952 | | $21,052 |
| Cobalt mattes and other intermediate products of cobalt metallurgy | $21,265 | | $67 | |
| Cadmium and articles thereof, including waste and scrap. | | $1,667 | | |
| Titanium and articles thereof, including waste and scrap. | | $39 | | |
| Zirconium and articles thereof, including waste and scrap. | | | $2,120 | $1,913 |
| Manganese and articles thereof, including waste and scrap. | $1,570 | $72,016 | $10,617 | $5,801 |
| Beryllium, chromium, germanium, vanadium, gallium, hafnium | $7,023 | $6,022 | $59,200 | $52,193 |
| Total | $30,455 | $81,696 | $72,004 | $84,516 |
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