Commodity2005200620072008200920102011
Copper waste & scrap$1,218,081$1,488,750$2,141,701$2,849,425$2,902,281$6,581,105$8,882,533
Total$1,218,081$1,488,750$2,141,701$2,849,425$2,902,281$6,581,105$8,882,533