Commodity2005200620072008200920102011
Tin waste & scrap$2,066,841$4,567,760$7,536,565$17,928,961$18,271,820$19,566,915$24,618,022
Total$2,066,841$4,567,760$7,536,565$17,928,961$18,271,820$19,566,915$24,618,022