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| Sub-Chapter | 2005 | 2006 | 2007 |
| Tungsten (wolfram) and articles thereof, including waste and scrap. | $2,597 | $3,335 | $2,907 |
| Molybdenum and articles thereof, including waste and scrap. | | $614 | |
| Magnesium and articles thereof, including waste and scrap. | | $108 | |
| Titanium and articles thereof, including waste and scrap. | | $30,192 | $8,130 |
| Total | $2,597 | $34,249 | $11,037 |
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