|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2010 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $301,203 | $400,841 | $950,545 | $5,150,195 | $1,507,989 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $7,051 | | | | |
| Total | $308,254 | $400,841 | $950,545 | $5,150,195 | $1,507,989 |
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