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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 ... | $658,220 | $354,064 | $2,909,753 | $6,798,683 | $1,193,643 | $3,281,880 | $3,518,915 |
| Ash & residues (excl. from the mfr. of iron/steel), cont. zinc other than h ... | $28,385,599 | $35,552,091 | $15,240,520 | $27,000,233 | $11,764,322 | $3,043,294 | $2,652,057 |
| Ash & residues (excl. from the mfr. of iron/steel) cont. mainly copper | $39,817 | $38,922 | $94,704 | $33,890 | $578,778 | $113,991 | $97,400 |
| Ash & residues (excl. from the mfr. of iron/steel) cont. mainly aluminium | $1,810,417 | $3,614,722 | $2,220,746 | $6,583,554 | $3,492,099 | $6,486,882 | $8,601,793 |
| Total | $30,894,053 | $39,559,799 | $20,465,723 | $40,416,360 | $17,028,842 | $12,926,047 | $14,870,165 |
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