|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $2,517,313 | $1,869,160 | $1,642,028 | $7,911,078 | $5,357,147 | $2,937,255 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | | | $85,488 | $325 | | $1,943 |
| Total | $2,517,313 | $1,869,160 | $1,727,516 | $7,911,403 | $5,357,147 | $2,939,198 |
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