|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $6,167 | $1,266 | $12,730 | $4,707 | $12,130 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $7 | | | | |
| Total | $6,174 | $1,266 | $12,730 | $4,707 | $12,130 |
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