Commodity2005200620072008200920102011
Zinc waste & scrap$55,028,715$95,757,440$102,972,320$99,233,735$54,318,899$85,151,659$93,894,448
Total$55,028,715$95,757,440$102,972,320$99,233,735$54,318,899$85,151,659$93,894,448