Commodity2005200620072008200920102011
Copper waste & scrap$5,124,989$16,846,616$11,079,666$28,742,934$1,039,744$16,858,883$22,892,625
Total$5,124,989$16,846,616$11,079,666$28,742,934$1,039,744$16,858,883$22,892,625