|
| Commodity | 2005 | 2006 | 2007 | 2010 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $25,995 | $15,438 | $1,630 | $210,667 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $10,335 | | $8,107 | |
| Total | $36,330 | $15,438 | $9,737 | $210,667 |
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