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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $184,184 | $278,176 | $806,891 | $816,683 | $834,077 | $644,266 | $1,131,861 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $45,155 | $67,232 | $85,034 | $69,703 | $45,902 | $46,850 | $8,784 |
| Total | $229,339 | $345,408 | $891,925 | $886,386 | $879,979 | $691,116 | $1,140,645 |
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