Commodity2005200620072008200920102011
Copper waste & scrap$504,985$1,552,890$2,857,276$21,914,325$45,911,012$51,949,754$10,218,531
Total$504,985$1,552,890$2,857,276$21,914,325$45,911,012$51,949,754$10,218,531