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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium metasilicates | $431,899 | $537,605 | $688,991 | $733,774 | $771,974 | $432,279 |
| Silicates of sodium other than sodiummetasilicates | $747,912 | $663,454 | $305,696 | $873,925 | $991,111 | $581,200 |
| Potsssium silicates | $15,904 | $11,280 | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $333,880 | $138,718 | $256,224 | $350,916 | $288,299 | $207,837 |
| Total | $1,529,595 | $1,351,057 | $1,250,911 | $1,958,615 | $2,051,384 | $1,221,316 |
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