|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $17,134,907 | $27,687,123 | $29,853,185 | $41,454,428 | $32,765,660 | $51,666,800 |
| Total | $17,134,907 | $27,687,123 | $29,853,185 | $41,454,428 | $32,765,660 | $51,666,800 |
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