Commodity2005200620072008200920102011
Master alloys of copper$1,320,880$2,840,119$6,464,804$7,565,871$3,793,172$5,853,897$9,453,669
Total$1,320,880$2,840,119$6,464,804$7,565,871$3,793,172$5,853,897$9,453,669