Commodity2005200620072008200920102011
Master alloys of copper$22,854,000$55,937,000$70,541,000$79,727,000$42,487,000$70,375,268$75,020,763
Total$22,854,000$55,937,000$70,541,000$79,727,000$42,487,000$70,375,268$75,020,763