|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $508,000 | $489,000 | $398,000 | $1,107,000 | $404,000 | $1,594,000 | $2,909,000 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $1,000 | $1,000 | | | | $59,000 | $3,000 |
| Total | $509,000 | $490,000 | $398,000 | $1,107,000 | $404,000 | $1,653,000 | $2,912,000 |
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