Commodity2005200620072008200920102011
Zinc waste & scrap$34,872,956$105,270,579$68,858,701$26,051,586$20,996,268$22,190,045$19,841,846
Total$34,872,956$105,270,579$68,858,701$26,051,586$20,996,268$22,190,045$19,841,846