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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Ash & residues (excl. from the mfr. of iron/steel), cont. hard zinc spelter ... | $21,269,719 | $55,577,388 | $51,437,717 | $46,031,212 | $15,362,938 | $28,865,482 | $17,662,052 |
| Ash & residues (excl. from the mfr. of iron/steel), cont. zinc other than h ... | $570,729 | $1,389,119 | $1,530,380 | $935,258 | $911,295 | $1,235,269 | $1,204,546 |
| Ash & residues (excl. from the mfr. of iron/steel) cont. mainly copper | | | $352,115 | $543,232 | $220,299 | $304,676 | $3,986,474 |
| Ash & residues (excl. from the mfr. of iron/steel) cont. mainly aluminium | $1,469,293 | $1,875,562 | $3,169,777 | $4,199,885 | $1,094,527 | $226,733 | $66,611 |
| Total | $23,309,741 | $58,842,069 | $56,489,989 | $51,709,587 | $17,589,059 | $30,632,160 | $22,919,683 |
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