|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | | $6,171 | $3,923 | | $13,261 | $4,934 | $5,375 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $32,132 | $12,342 | $4,434 | $17,988 | $8,276 | | |
| Total | $32,132 | $18,513 | $8,357 | $17,988 | $21,537 | $4,934 | $5,375 |
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