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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $7,023,553 | $7,960,490 | $10,444,889 | $11,215,564 | $12,415,737 | $17,543,206 | $20,582,706 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $17,038 | $838 | $1,185 | $53,226 | | $3,536 | |
| Total | $7,040,591 | $7,961,328 | $10,446,074 | $11,268,790 | $12,415,737 | $17,546,742 | $20,582,706 |
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