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| Product | 2001 | 2002 | 2003 | 2004 | 2005 |
| Iron ore and concentrates | | | | $2,243,000 | $69,520,000 |
| Ferrous waste and scrap; remelting scrap ingots of iron or steel | | | $9,107,000 | $33,484,000 | $25,473,000 |
| Copper ores and concentrates; copper mattes; cement copper | | | | | $1,000 |
| Aluminium ores and concentrates (including alumina) | | | $1,142,000 | $77,154,000 | $115,523,000 |
| Ores and concentrates of base metals, n.e.s. | | | $67,000 | $1,055,000 | $4,061,000 |
| Non-ferrous base metal waste and scrap, n.e.s. | | | $12,903,000 | $20,924,000 | $33,316,000 |
| Ores and concentrates of precious metals; waste, scrap and sweepings of precious metals (other than of gold) | | | $2,000 | $3,000 | |
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