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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 ... | $6,823,425 | $9,373,628 | $17,129,160 | $9,557,278 | $5,369,741 | $6,342,808 | $7,603,482 |
| Ash & residues (excl. from the mfr. of iron/steel), cont. zinc other than h ... | $15,947,453 | $33,630,573 | $42,859,264 | $11,567,862 | $18,296,021 | $6,443,551 | $5,654,263 |
| Ash & residues (excl. from the mfr. of iron/steel) cont. mainly copper | $8,485,732 | $13,906,663 | $18,022,462 | $12,686,000 | $7,314,796 | $14,040,339 | $20,702,618 |
| Ash & residues (excl. from the mfr. of iron/steel) cont. mainly aluminium | $5,041,670 | $5,488,349 | $4,876,795 | $4,308,815 | $1,005,871 | $1,659,602 | $1,943,653 |
| Total | $36,298,280 | $62,399,213 | $82,887,681 | $38,119,955 | $31,986,429 | $28,486,300 | $35,904,016 |
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