|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $10,451 | $165,318 | $241,521 | $133,639 | $90,662 | $19,410 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $176 | | $12,898 | $7,713 | | |
| Total | $10,627 | $165,318 | $254,419 | $141,352 | $90,662 | $19,410 |
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