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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 ... | $1,946,177 | $1,412,858 | $1,071,757 | $328,817 | | | $15,541 |
| Ash & residues (excl. from the mfr. of iron/steel), cont. zinc other than h ... | $404,416 | $996,796 | $1,257,674 | $32,021 | $218,386 | $347,919 | $188,884 |
| Ash & residues (excl. from the mfr. of iron/steel) cont. mainly copper | | $143,419 | | $242 | $945,222 | $1 | $24 |
| Ash & residues (excl. from the mfr. of iron/steel) cont. mainly aluminium | $536,658 | $657,155 | $770,374 | $722,083 | $624,798 | $795,821 | $849,203 |
| Total | $2,887,251 | $3,210,228 | $3,099,805 | $1,083,163 | $1,788,406 | $1,143,741 | $1,053,652 |
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