Commodity2005200620072008200920102011
Zinc, not alloyed, unwrought, cont. by wt. <99.99% of zinc$6,250    $3,281$13,772
Zinc alloys, unwrought $20,274$97,400$31,578$31,274$15,773 
Total$6,250$20,274$97,400$31,578$31,274$19,054$13,772