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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Silicates of sodium other than sodiummetasilicates | $15,271 | $23,228 | $5,290 | $13,514 | $54,605 |
| Potsssium silicates | | | | | $2,361 |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $76,432 | $13,290 | $21,258 | $7,858 | $36,861 |
| Total | $91,703 | $36,518 | $26,548 | $21,372 | $93,827 |
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