|
| Sub-Chapter | 2006 | 2007 | 2008 | 2009 | 2010 |
| Iron ores and concentrates | | | | | $285 |
| Manganese ores and concentrates | $1,990 | $2,655 | $2,400 | | |
| Chromium ores and concentrates. | | $4 | | | |
| Niobium, tantalum, vanadium and concentrates. | | $302 | | $2,685 | |
| Other ores and concentrates. | | | | $1,784 | $4,140 |
| Granulated slag from the manufacture of iron or steel. | | | | | $284 |
| Slag, dross (other than granulated slag) | | $97,565 | | | |
| Total | $1,990 | $100,526 | $2,400 | $4,469 | $4,709 |
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