|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $5,864,269 | $7,633,352 | $10,905,988 | $11,704,628 | $11,314,348 | $12,161,987 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $23,021 | $8,847 | $82,941 | $116,639 | $136,762 | $148,651 |
| Total | $5,887,290 | $7,642,199 | $10,988,929 | $11,821,267 | $11,451,110 | $12,310,638 |
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