Commodity2005200620072008200920102011
Copper waste & scrap$14,266,474$40,666,395$50,588,016$36,477,335$32,846,546$50,064,778$72,885,232
Total$14,266,474$40,666,395$50,588,016$36,477,335$32,846,546$50,064,778$72,885,232