|
| Commodity | 2005 | 2006 | 2007 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $516,137 | $689,956 | $502,944 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $10,453 | $7,024 | |
| Total | $526,590 | $696,980 | $502,944 |
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