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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 ... | $1,258,478 | $3,147,595 | $3,340,561 | $4,113,323 | $1,108,798 | $1,197,764 | $1,288,827 |
| Ash & residues (excl. from the mfr. of iron/steel), cont. zinc other than h ... | $749,815 | $1,396,088 | $1,611,381 | $907,417 | $421,079 | $888,659 | $822,311 |
| Ash & residues (excl. from the mfr. of iron/steel) cont. mainly copper | $308,354 | $235,352 | $5,965,239 | $16,874,118 | $32,575,366 | $18,287,180 | $24,256,987 |
| Ash & residues (excl. from the mfr. of iron/steel) cont. mainly aluminium | $446,941 | $744,548 | $972,591 | $829,766 | $434,472 | $654,594 | $623,110 |
| Total | $2,763,588 | $5,523,583 | $11,889,772 | $22,724,624 | $34,539,715 | $21,028,197 | $26,991,235 |
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