|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2011 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $42,859 | $7,400 | $27,600 | $1,400 | $900 | |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | | | | | | $172 |
| Total | $42,859 | $7,400 | $27,600 | $1,400 | $900 | $172 |
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