Commodity2005200620072008200920102011
Copper waste & scrap$15,467,481$12,921,397$12,848,153$9,654,391$6,894,381$10,612,556$11,055,594
Total$15,467,481$12,921,397$12,848,153$9,654,391$6,894,381$10,612,556$11,055,594