Commodity2005200620072008200920102011
Master alloys of copper$4,530,361$7,168,197$9,953,305$8,506,788$5,161,275$8,936,808$11,604,728
Total$4,530,361$7,168,197$9,953,305$8,506,788$5,161,275$8,936,808$11,604,728