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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 ... | $17,418 | $214,425 | | $80,288 | | | $3,793,547 |
| Ash & residues (excl. from the mfr. of iron/steel), cont. zinc other than h ... | | $1,919,081 | $2,782,766 | $284,114 | $1,564,220 | $2,057,085 | $1,963,468 |
| Ash & residues (excl. from the mfr. of iron/steel) cont. mainly copper | | $321,740 | | $544,067 | $1,900,937 | $1,152,382 | $1,093,364 |
| Total | $17,418 | $2,455,246 | $2,782,766 | $908,469 | $3,465,157 | $3,209,467 | $6,850,379 |
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