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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $987,407 | $960,689 | $863,566 | $1,482,559 | $1,090,812 | $1,697,387 | $1,168,648 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $126,039 | $31,372 | $11,856 | $21,582 | $16,060 | $6,538 | $24,545 |
| Total | $1,113,446 | $992,061 | $875,422 | $1,504,141 | $1,106,872 | $1,703,925 | $1,193,193 |
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