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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $4,945,037 | $7,396,994 | $8,578,135 | $7,466,910 | $7,093,297 | $12,990,148 | $15,173,093 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | | $2,677 | $3,558 | $378,854 | $14,794 | | $74,904 |
| Total | $4,945,037 | $7,399,671 | $8,581,693 | $7,845,764 | $7,108,091 | $12,990,148 | $15,247,997 |
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