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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $1,787,777 | $3,768,211 | $6,592,217 | $11,766,702 | $5,222,935 | $8,535,536 | $13,040,895 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $2,106 | $72,421 | $127,231 | $191,865 | $117,230 | $151,006 | $545,129 |
| Total | $1,789,883 | $3,840,632 | $6,719,448 | $11,958,567 | $5,340,165 | $8,686,542 | $13,586,024 |
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