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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $2,852 | $1,434 | $1,224 | $2,720 | $3,377 | $2,437 | $2,291 |
| Silicates of sodium other than sodiummetasilicates | $1,445,822 | $690,062 | $971,266 | $1,489,712 | $1,716,250 | $2,072,626 | $2,042,862 |
| Potsssium silicates | $4,366 | $4,242 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $4,131 | $4,359 | $13,411 | $46,166 | $24,572 | $32,345 | $30,668 |
| Total | $1,457,171 | $700,097 | $985,901 | $1,538,598 | $1,744,199 | $2,107,408 | $2,075,821 |
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