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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 ... | | | $1,803,650 | $920,193 | $521,182 | $486,955 | $1,407,711 |
| Ash & residues (excl. from the mfr. of iron/steel), cont. zinc other than h ... | $65,442 | | | $179,199 | $267,355 | $601,873 | $602,683 |
| Ash & residues (excl. from the mfr. of iron/steel) cont. mainly copper | $2,686,917 | $6,031,076 | $5,798,960 | $6,084,896 | $11,001,519 | $5,436,607 | $10,181,015 |
| Ash & residues (excl. from the mfr. of iron/steel) cont. mainly aluminium | $10,164 | $44,982 | | | | | $39 |
| Total | $2,762,523 | $6,076,058 | $7,602,610 | $7,184,288 | $11,790,056 | $6,525,435 | $12,191,448 |
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