Commodity2005200620072008200920102011
Unroasted iron pyrites$3,739,497$4,943,685$4,369,889$5,980,558$2,269,934$4,621,412$7,484,157
Total$3,739,497$4,943,685$4,369,889$5,980,558$2,269,934$4,621,412$7,484,157