Commodity2005200620072008200920102011
Zinc waste & scrap$624,113$3,494,239$2,285,361$1,541,422$1,355,101$2,690,347$1,891,520
Total$624,113$3,494,239$2,285,361$1,541,422$1,355,101$2,690,347$1,891,520