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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $9,489,116 | $13,519,027 | $16,610,271 | $17,589,011 | $11,126,904 | $19,628,009 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $7,459 | $2,513 | $4,118 | $2,947 | $5,579 | $3,977 |
| Total | $9,496,575 | $13,521,540 | $16,614,389 | $17,591,958 | $11,132,483 | $19,631,986 |
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