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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $10,202,940 | $16,086,960 | $11,341,396 | $18,362,272 | $10,776,591 | $18,850,884 | $24,063,875 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $1,569,852 | $565,606 | $3,452 | $754,630 | $264 | $272 | $356 |
| Total | $11,772,792 | $16,652,566 | $11,344,848 | $19,116,902 | $10,776,855 | $18,851,156 | $24,064,231 |
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