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| Commodity | 2005 | 2006 | 2007 | 2009 | 2011 |
| Ash & residues (excl. from the mfr. of iron/steel), cont. hard zinc spelter ... | $187,239 | $268,379 | $315,476 | $79,965 | $578,309 |
| Ash & residues (excl. from the mfr. of iron/steel), cont. zinc other than h ... | $54,161 | $122,597 | $205,370 | $68,865 | $34,783 |
| Ash & residues (excl. from the mfr. of iron/steel) cont. mainly aluminium | | | $11,526 | $4,218 | |
| Total | $241,400 | $390,976 | $532,372 | $153,048 | $613,092 |
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