Commodity2005200620072008200920102011
Copper waste & scrap$1,427,143$1,055,956$2,418,329$1,594,754$4,006,458$3,235,406$3,646,735
Total$1,427,143$1,055,956$2,418,329$1,594,754$4,006,458$3,235,406$3,646,735