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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Zinc, not alloyed, unwrought, cont. by wt. 99.99%/more of zinc | $23,133,154 | $57,716,354 | $60,136,561 | $40,662,615 | $24,257,266 | $41,309,347 | $34,113,794 |
| Zinc, not alloyed, unwrought, cont. by wt. <99.99% of zinc | $9,238,542 | $20,153,699 | $28,345,569 | $11,022,526 | $12,017,823 | $16,726,430 | $23,680,611 |
| Zinc alloys, unwrought | $728,920 | $3,643,369 | $5,708,962 | $8,772,391 | $1,684,107 | $2,443,892 | $3,045,159 |
| Total | $33,100,616 | $81,513,422 | $94,191,092 | $60,457,532 | $37,959,196 | $60,479,669 | $60,839,564 |
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