Commodity2005200620072008200920102011
Zinc waste & scrap$18,037,003$28,711,231$34,457,204$18,272,372$16,647,203$29,979,997$26,416,368
Total$18,037,003$28,711,231$34,457,204$18,272,372$16,647,203$29,979,997$26,416,368