|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $150 | $1,731 | $1,382 | $24 | $73 | $5,635 | |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | | $2,023 | | | | $1,537 | $582 |
| Total | $150 | $3,754 | $1,382 | $24 | $73 | $7,172 | $582 |
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