Commodity2005200620072008200920102011
Tin waste & scrap$1,811,657$5,003,676$13,414,950$9,404,478$8,071,712$16,409,856$34,587,056
Total$1,811,657$5,003,676$13,414,950$9,404,478$8,071,712$16,409,856$34,587,056