Commodity2005200620072008200920102011
Ash & residues (excl. from the mfr. of iron/steel), cont. hard zinc spelter ...$42,082$279,715$182    
Ash & residues (excl. from the mfr. of iron/steel), cont. zinc other than h ...$14,512,403$15,123,026$27,986,032$12,707,544$12,659,056$28,632,726$38,266,593
Ash & residues (excl. from the mfr. of iron/steel) cont. mainly copper$53,933,302$48,023,654$21,923,939$12,509,265$32,318,503$25,941,222$23,854,640
Ash & residues (excl. from the mfr. of iron/steel) cont. mainly aluminium$19,830 $33,457  $109,949$109,293
Total$68,507,617$63,426,395$49,943,610$25,216,809$44,977,559$54,683,897$62,230,526