|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $8,025 | $10,839 | $25,115 | $18,041 | $18,229 | $17,914 | $17,931 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $207 | | | | | | |
| Total | $8,232 | $10,839 | $25,115 | $18,041 | $18,229 | $17,914 | $17,931 |
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