|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $6,241 | $32,292 | $21,188 | $25,380 | $36,787 | $38,401 | |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | | | | $30 | | | $178 |
| Total | $6,241 | $32,292 | $21,188 | $25,410 | $36,787 | $38,401 | $178 |
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