Commodity2005200620072008200920102011
Zinc waste & scrap$6,768,845$18,441,486$19,971,614$5,949,953$3,819,657$4,126,208$7,021,134
Total$6,768,845$18,441,486$19,971,614$5,949,953$3,819,657$4,126,208$7,021,134