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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Sodium metasilicates | $173,688 | $494,947 | $433,520 | $184,111 | $85,742 |
| Silicates of sodium other than sodiummetasilicates | $1,648,496 | $1,973,517 | $2,093,292 | $3,347,838 | $2,307,524 |
| Potsssium silicates | $30,911 | $243,962 | $240,653 | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $156,092 | $65,169 | $367,141 | $120,034 | $163,946 |
| Total | $2,009,187 | $2,777,595 | $3,134,606 | $3,651,983 | $2,557,212 |
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