|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $19,045 | $16,822 | $32,534 | $27,133 | $35,831 | $38,809 | $32,653 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | | $463 | | | | | $9,777 |
| Total | $19,045 | $17,285 | $32,534 | $27,133 | $35,831 | $38,809 | $42,430 |
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