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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $13,113 | $4,364 | $10,110 | $231,442 | $42,288 | $97,621 | $179,384 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $3,833 | $25,470 | $1,963 | $34,102 | $29,770 | $5,126 | $47,187 |
| Total | $16,946 | $29,834 | $12,073 | $265,544 | $72,058 | $102,747 | $226,571 |
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