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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $9,744,973 | $10,847,655 | $16,853,068 | $19,779,529 | $11,175,697 | $14,811,586 | $20,994,029 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $86,028 | $90,349 | $187,751 | $370,911 | $502,838 | $355,331 | $79,133 |
| Total | $9,831,001 | $10,938,004 | $17,040,819 | $20,150,440 | $11,678,535 | $15,166,917 | $21,073,162 |
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