Commodity2005200620072008200920102011
Tin waste & scrap$748,323$3,114,992$8,228,308$11,345,167$8,612,591$10,800,775$9,790,681
Total$748,323$3,114,992$8,228,308$11,345,167$8,612,591$10,800,775$9,790,681