Commodity2005200620072008200920102011
Zinc waste & scrap$714,223$4,809,894$3,656,842$2,635,779$2,364,245$4,452,232$6,434,639
Total$714,223$4,809,894$3,656,842$2,635,779$2,364,245$4,452,232$6,434,639