Commodity2005200620072008200920102011
Copper waste & scrap$664,112$1,032,456$2,417,705$3,334,425$1,904,145$1,314,076$2,079,088
Total$664,112$1,032,456$2,417,705$3,334,425$1,904,145$1,314,076$2,079,088