Commodity2005200620072008200920102011
Zinc waste & scrap$45,369,881$92,594,673$137,331,816$57,222,900$70,613,249$121,204,531$120,167,194
Total$45,369,881$92,594,673$137,331,816$57,222,900$70,613,249$121,204,531$120,167,194