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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $1,317,642 | $1,585,370 | $3,516,176 | $3,249,123 | $2,165,304 | $7,260,188 | $9,771,065 |
| Total | $1,317,642 | $1,585,370 | $3,516,176 | $3,249,123 | $2,165,304 | $7,260,188 | $9,771,065 |
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