Commodity2005200620072008200920102011
Copper waste & scrap$29,229,325$34,884,124$17,300,979$6,011,238$3,975,580$25,114,809$44,062,529
Total$29,229,325$34,884,124$17,300,979$6,011,238$3,975,580$25,114,809$44,062,529