Commodity2005200620072008200920102011
Zinc waste & scrap$63,431,487$94,314,328$78,840,666$48,715,902$38,483,260$62,500,231$55,945,261
Total$63,431,487$94,314,328$78,840,666$48,715,902$38,483,260$62,500,231$55,945,261