Commodity2005200620072008200920102011
Master alloys of copper$11,193,342$26,632,083$42,761,258$46,133,648$19,861,199$40,333,012$61,145,061
Total$11,193,342$26,632,083$42,761,258$46,133,648$19,861,199$40,333,012$61,145,061