Commodity2005200620072008200920102011
Master alloys of copper$2,411,072$3,236,245$4,847,313$4,590,323$1,369,138$3,171,546$2,509,124
Total$2,411,072$3,236,245$4,847,313$4,590,323$1,369,138$3,171,546$2,509,124