|
| Commodity | 2005 | 2006 | 2007 | 2008 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $8,818,000 | $8,830,000 | $12,150,000 | $13,460,000 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | | $1,000 | | |
| Total | $8,818,000 | $8,831,000 | $12,150,000 | $13,460,000 |
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