|
| Sub-Chapter | 2005 | 2006 | 2007 | 2010 |
| Cobalt ores and concentrates. | | $126 | | |
| Lead ores and concentrates. | | | | $25,581 |
| Zinc ores and concentrates. | | $3,924 | | $324 |
| Niobium, tantalum, vanadium and concentrates. | $364,482 | $222,192 | $56,239 | $626 |
| Granulated slag from the manufacture of iron or steel. | | $48,437 | | |
| Ash and residues | | | | $89,368 |
| Total | $364,482 | $274,679 | $56,239 | $115,899 |
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