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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 ... | | $18,622,151 | $24,171,407 | $15,693,341 | $13,047,186 | $13,568,203 | $16,459,432 |
| Ash & residues (excl. from the mfr. of iron/steel), cont. zinc other than h ... | | $3,675 | $4,268 | $146,839 | $26,896 | | $69,326 |
| Ash & residues (excl. from the mfr. of iron/steel) cont. mainly copper | $42,206 | $193,803 | $22,367 | $8,106 | | $24,950 | $588,347 |
| Ash & residues (excl. from the mfr. of iron/steel) cont. mainly aluminium | | $69,852 | $18,646 | $24,645 | $393,085 | $232,255 | $107,656 |
| Total | $42,206 | $18,889,481 | $24,216,688 | $15,872,931 | $13,467,167 | $13,825,408 | $17,224,761 |
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