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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $11,647,350 | $9,984,554 | $7,619,561 | $3,208,090 | $2,428,505 | $3,569,631 | $3,269,985 |
| Silicates of sodium other than sodiummetasilicates | $30,407,934 | $29,757,275 | $35,811,253 | $29,817,802 | $17,599,951 | $12,765,957 | $16,590,038 |
| Potsssium silicates | $1,060,455 | $1,252,388 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $3,403,501 | $3,012,956 | $6,587,987 | $6,107,591 | $3,836,727 | $4,729,746 | $5,200,187 |
| Total | $46,519,240 | $44,007,173 | $50,018,801 | $39,133,483 | $23,865,183 | $21,065,334 | $25,060,210 |
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