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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Zinc ores & concs. | $197,784,810 | $585,355,241 | $775,653,066 | $357,512,330 | $212,991,210 | $304,857,550 | $382,984,576 |
| Total | $197,784,810 | $585,355,241 | $775,653,066 | $357,512,330 | $212,991,210 | $304,857,550 | $382,984,576 |
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