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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | | $75,479 | $46,480 | $1,222,700 | $304,459 | $47,181 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $360 | $731 | | $600 | | |
| Total | $360 | $76,210 | $46,480 | $1,223,300 | $304,459 | $47,181 |
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