Commodity2005200620072008200920102011
Master alloys of copper$3,515,354$5,651,990$5,661,617$5,127,525$2,256,097$3,561,894$3,977,571
Total$3,515,354$5,651,990$5,661,617$5,127,525$2,256,097$3,561,894$3,977,571