Commodity2005200620072008200920102011
Zinc waste & scrap$8,961,111$18,872,301$33,088,209$20,632,361$8,998,281$19,738,018$23,855,725
Total$8,961,111$18,872,301$33,088,209$20,632,361$8,998,281$19,738,018$23,855,725