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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $10 | $1,140 | $5,070 | $42,629 | $1 | | |
| Silicates of sodium other than sodiummetasilicates | $26,250 | $109,713 | $301,220 | $553,259 | $540,209 | $330,116 | $848,051 |
| Potsssium silicates | $261,991 | $490,651 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $148,322 | $441,844 | $671,149 | $2,141,173 | $1,465,025 | $315,372 | $1,436,884 |
| Total | $436,573 | $1,043,348 | $977,439 | $2,737,061 | $2,005,235 | $645,488 | $2,284,935 |
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