Commodity2005200620072008200920102011
Zinc waste & scrap$1,842,003$4,415,167$9,887,336$2,747,474$1,614,381$2,070,991$2,399,144
Total$1,842,003$4,415,167$9,887,336$2,747,474$1,614,381$2,070,991$2,399,144