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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 ... | $3,542,299 | $15,540,393 | $30,271,689 | $10,956,965 | $3,853,598 | $5,501,354 | $5,413,621 |
| Ash & residues (excl. from the mfr. of iron/steel), cont. zinc other than h ... | | | | $675,296 | $1,431,951 | $6,314,195 | $5,922,156 |
| Ash & residues (excl. from the mfr. of iron/steel) cont. mainly copper | | $124,394 | $1,152,910 | $2,206,009 | $718,428 | $1,522,097 | $955,963 |
| Ash & residues (excl. from the mfr. of iron/steel) cont. mainly aluminium | | $15,461 | | | $168,167 | $446,820 | $843,858 |
| Total | $3,542,299 | $15,680,248 | $31,424,599 | $13,838,270 | $6,172,144 | $13,784,466 | $13,135,598 |
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