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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 ... | $4,296,134 | $9,669,243 | $10,135,811 | $6,234,106 | $5,234,407 | $9,122,635 | $7,926,277 |
| Ash & residues (excl. from the mfr. of iron/steel), cont. zinc other than h ... | $1,016,328 | $4,151,112 | $8,237,520 | $14,487,732 | $4,965,785 | $1,766,592 | $2,255,443 |
| Ash & residues (excl. from the mfr. of iron/steel) cont. mainly copper | $52,623 | | $275,443 | $110,833 | $2,690 | $1,772,624 | $3,716,768 |
| Ash & residues (excl. from the mfr. of iron/steel) cont. mainly aluminium | $882,663 | $2,202,383 | $3,256,418 | $3,136,557 | $1,061,467 | $1,888,030 | $1,821,104 |
| Total | $6,247,748 | $16,022,738 | $21,905,192 | $23,969,228 | $11,264,349 | $14,549,881 | $15,719,592 |
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