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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $10,357,517 | $9,030,367 | $11,119,937 | $13,310,318 | $9,010,013 | $12,471,426 | $13,300,122 |
| Silicates of sodium other than sodiummetasilicates | $23,821,813 | $23,025,776 | $31,980,103 | $33,637,893 | $25,518,860 | $29,920,736 | $35,061,863 |
| Potsssium silicates | $4,630,836 | $7,194,994 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $25,525,784 | $21,982,442 | $27,655,199 | $27,645,555 | $21,765,945 | $30,880,971 | $34,747,420 |
| Total | $64,335,950 | $61,233,579 | $70,755,239 | $74,593,766 | $56,294,818 | $73,273,133 | $83,109,405 |
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