|
| Sub-Chapter | 2006 | 2007 | 2010 | 2011 |
| Iron ores and concentrates | $600 | $3,820 | $500 | |
| Manganese ores and concentrates | | $600 | | |
| Zinc ores and concentrates. | | | $2,023 | $2,335 |
| Chromium ores and concentrates. | | | | $1,705 |
| Titanium ores and concentrates. | $30,240 | | | |
| Niobium, tantalum, vanadium and concentrates. | $525 | | | |
| Total | $31,365 | $4,420 | $2,523 | $4,040 |
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