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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $8,976,049 | $10,933,801 | $5,480,319 | $13,907,132 | $9,724,256 | $16,366,634 | $21,729,470 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $162 | $905 | $6,000 | $7,280 | $10,166 | $81,032 | $4 |
| Total | $8,976,211 | $10,934,706 | $5,486,319 | $13,914,412 | $9,734,422 | $16,447,666 | $21,729,474 |
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