Commodity2005200620072008200920102011
Zinc waste & scrap$7,317,494$20,301,832$12,269,431$8,489,678$6,937,010$4,869,744$3,521,797
Total$7,317,494$20,301,832$12,269,431$8,489,678$6,937,010$4,869,744$3,521,797