|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $3,645,584 | $3,205,292 | $3,512,317 | $14,868,047 | $7,756,169 | $16,194,149 | $12,659,099 |
| Total | $3,645,584 | $3,205,292 | $3,512,317 | $14,868,047 | $7,756,169 | $16,194,149 | $12,659,099 |
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