|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $12,862 | $11,951 | $12,459 | $9,855 | $19,322 | $15,171 | $10,639 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | | | | | | | $1,542 |
| Total | $12,862 | $11,951 | $12,459 | $9,855 | $19,322 | $15,171 | $12,181 |
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