|
| Commodity | 2006 | 2007 | 2008 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $4,557,596 | $144,745 | $4,655,788 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $7,806 | $15,324 | $320 |
| Total | $4,565,402 | $160,069 | $4,656,108 |
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