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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $1,338,803 | $178,987 | $155,886 | $256,988 | $150,502 | $237,032 | $171,153 |
| Silicates of sodium other than sodiummetasilicates | | | | | | $5,326,618 | $5,710,338 |
| Potsssium silicates | $122,452 | $176,950 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $1,099,391 | $896,293 | $1,348,983 | $1,079,535 | $1,300,629 | $2,384,382 | $1,480,241 |
| Total | $2,560,646 | $1,252,230 | $1,504,869 | $1,336,523 | $1,451,131 | $7,948,032 | $7,361,732 |
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