Commodity2005200620072008200920102011
Copper waste & scrap$14,966,716$32,398,170$47,301,112$59,912,546$42,160,694$67,077,999$65,946,337
Total$14,966,716$32,398,170$47,301,112$59,912,546$42,160,694$67,077,999$65,946,337