|
| Commodity | 2005 | 2006 | 2007 | 2009 | 2010 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $5,198,314 | $9,660,014 | $18,678,719 | $25,489,639 | $39,239,516 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $9,214 | $112,334 | $77,054 | | |
| Total | $5,207,528 | $9,772,348 | $18,755,773 | $25,489,639 | $39,239,516 |
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