Commodity2005200620072008200920102011
Copper waste & scrap$1,313,897$1,059,609$1,410,759$18,477,016$10,493,081$13,230,188$21,125,119
Total$1,313,897$1,059,609$1,410,759$18,477,016$10,493,081$13,230,188$21,125,119