Commodity2005200620072008200920102011
Copper waste & scrap$2,424,702$7,343,912$13,794,677$11,976,221$3,709,376$15,212,715$32,113,323
Total$2,424,702$7,343,912$13,794,677$11,976,221$3,709,376$15,212,715$32,113,323