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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $1,149,996 | $1,626,722 | $1,710,772 | $1,946,008 | $1,855,461 | $1,964,228 | $2,351,780 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $6,237 | $2,609 | | $299,905 | | | |
| Total | $1,156,233 | $1,629,331 | $1,710,772 | $2,245,913 | $1,855,461 | $1,964,228 | $2,351,780 |
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