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| Commodity | 2005 | 2006 | 2007 |
| Cathodes & sections of cathodes, of ref. copper, unwrought | $27,980 | | |
| Wire-bars of ref. copper, unwrought | | | $380 |
| Copper-zinc base alloys (brass), unwrought | $11 | $1,673 | |
| Copper-tin base alloys (bronze), unwrought | | $1,580 | |
| Total | $27,991 | $3,253 | $380 |
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