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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $1,528,706 | $2,089,091 | $2,943,205 | $3,759,000 | $2,054,755 | $2,928,785 | $3,745,222 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $8,057 | | $3,345 | $58,656 | $3,839 | $3,388 | $2,143 |
| Total | $1,536,763 | $2,089,091 | $2,946,550 | $3,817,656 | $2,058,594 | $2,932,173 | $3,747,365 |
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