Commodity2005200620072008200920102011
Zinc waste & scrap$2,265,110$6,124,350$10,941,143$9,707,886$4,389,174$10,851,818$17,108,229
Total$2,265,110$6,124,350$10,941,143$9,707,886$4,389,174$10,851,818$17,108,229