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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Silicates of sodium other than sodiummetasilicates | | $5,305 | $315,429 | $85,513 | | | $22,028 |
| Potsssium silicates | $2,000 | | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $363,000 | $427,898 | $565,252 | $116,256 | $731 | $4,985 | $25,427 |
| Total | $365,000 | $433,203 | $880,681 | $201,769 | $731 | $4,985 | $47,455 |
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