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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium metasilicates | $450,721 | $321,775 | $315,589 | $675,921 | $740,905 | $587,993 |
| Silicates of sodium other than sodiummetasilicates | $1,178,215 | $361,808 | $562,934 | $747,221 | $129,613 | $195,597 |
| Potsssium silicates | $112,814 | $120,291 | $92,576 | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $176,601 | $280,463 | $386,022 | $721,388 | $456,010 | $716,326 |
| Total | $1,918,351 | $1,084,337 | $1,357,121 | $2,144,530 | $1,326,528 | $1,499,916 |
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