Commodity2005200620072008200920102011
Master alloys of copper$4,841,548$10,145,157$13,020,163$14,498,862$7,233,043$12,663,219$17,994,044
Total$4,841,548$10,145,157$13,020,163$14,498,862$7,233,043$12,663,219$17,994,044