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| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium metasilicates | $735,944 | $888,541 | $562,483 | $406,168 | $1,168,300 |
| Silicates of sodium other than sodiummetasilicates | $2,732,555 | $4,632,795 | $1,783,558 | $2,172,312 | $760,477 |
| Potsssium silicates | $975,152 | $2,795,072 | $1,227,714 | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $1,051,040 | $2,119,233 | $372,313 | $2,071,810 | $2,519,869 |
| Total | $5,494,691 | $10,435,641 | $3,946,068 | $4,650,290 | $4,448,646 |
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