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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $63,426 | $70,225 | $148,809 | $100,809 | $58,985 | $60,706 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $1,220 | $185 | $2,201 | $4,539 | $549 | $319 |
| Total | $64,646 | $70,410 | $151,010 | $105,348 | $59,534 | $61,025 |
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