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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $1,263,286 | $1,567,830 | $2,225,740 | $2,402,210 | $1,223,665 | $1,771,962 | $1,920,380 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $18,485 | | $3,710 | | | | |
| Total | $1,281,771 | $1,567,830 | $2,229,450 | $2,402,210 | $1,223,665 | $1,771,962 | $1,920,380 |
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