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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $135,031 | $171,699 | $183,713 | $430,369 | $345,337 | $226,216 | $162,060 |
| Silicates of sodium other than sodiummetasilicates | $3,581,639 | $3,059,420 | $4,135,748 | $5,260,720 | $4,813,656 | $3,900,243 | $2,622,911 |
| Potsssium silicates | $109,581 | $143,615 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $1,141,389 | $1,440,813 | $951,540 | $1,045,195 | $929,709 | $878,751 | $783,150 |
| Total | $4,967,640 | $4,815,547 | $5,271,001 | $6,736,284 | $6,088,702 | $5,005,210 | $3,568,121 |
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