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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $14,902,792 | $21,663,001 | $14,153,106 | $21,154,870 | $13,885,612 | $23,976,076 | $31,524,378 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $277,383 | $328,135 | $184,037 | $1,044,954 | $680,553 | $204,173 | $236,692 |
| Total | $15,180,175 | $21,991,136 | $14,337,143 | $22,199,824 | $14,566,165 | $24,180,249 | $31,761,070 |
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