|
| Commodity | 2005 | 2006 | 2007 | 2010 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $106,845 | $27,205 | $111,811 | |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | | | | $10,469 |
| Total | $106,845 | $27,205 | $111,811 | $10,469 |
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