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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $1,216,683 | $1,599,800 | $3,784,082 | $2,668,152 | $3,460,041 | $723,074 | $3,882,325 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | | | | | | $3,294 | $12,103 |
| Total | $1,216,683 | $1,599,800 | $3,784,082 | $2,668,152 | $3,460,041 | $726,368 | $3,894,428 |
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