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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $2,647 | $3,610 | $2,778 | $3,948 | $58,534 | $126,431 | $127,350 |
| Silicates of sodium other than sodiummetasilicates | $115,084 | $98,859 | $172,953 | $435,062 | $146,305 | $313,112 | $160,070 |
| Potsssium silicates | $80,220 | $116,316 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $5,137,133 | $4,240,492 | $6,205,977 | $6,117,096 | $5,109,584 | $3,127,385 | $5,123,444 |
| Total | $5,335,084 | $4,459,277 | $6,381,708 | $6,556,106 | $5,314,423 | $3,566,928 | $5,410,864 |
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