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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $1,613,914 | $2,869,131 | $1,975,067 | $1,826,223 | $2,215,946 | $3,212,960 | $2,631,938 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $13,045 | $7,823 | $7,840 | $2,671 | $417,032 | $8,449 | $48,764 |
| Total | $1,626,959 | $2,876,954 | $1,982,907 | $1,828,894 | $2,632,978 | $3,221,409 | $2,680,702 |
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