|
| Commodity | 2005 | 2006 | 2007 | 2008 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $12,704 | $6,614 | $8,908 | $6,165 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $67 | | | |
| Total | $12,771 | $6,614 | $8,908 | $6,165 |
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