Commodity2005200620072008200920102011
Zinc waste & scrap$13,614,783$43,786,318$52,621,719$25,542,280$18,859,988$44,348,740$62,147,615
Total$13,614,783$43,786,318$52,621,719$25,542,280$18,859,988$44,348,740$62,147,615