Commodity2005200620072008200920102011
Master alloys of copper$10,003,955$14,299,434$11,098,239$9,075,226$5,170,139$8,529,441$12,010,786
Total$10,003,955$14,299,434$11,098,239$9,075,226$5,170,139$8,529,441$12,010,786