Commodity20072008200920102011
Zinc, not alloyed, unwrought, cont. by wt. 99.99%/more of zinc$7,884$18,568   
Zinc, not alloyed, unwrought, cont. by wt. <99.99% of zinc $43$5,080 $97
Zinc alloys, unwrought $870$265$1,013$3,522
Total$7,884$19,481$5,345$1,013$3,619