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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $45,295 | $29,855 | $30,488 | $69,023 | $22,031 | $50,959 | $44,182 |
| Silicates of sodium other than sodiummetasilicates | $805,486 | $1,758,675 | $1,883,257 | $2,876,430 | $1,372,080 | $1,798,724 | $1,999,899 |
| Potsssium silicates | $37 | $1,384 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $592,723 | $918,806 | $854,936 | $971,693 | $645,849 | $921,766 | $1,039,078 |
| Total | $1,443,541 | $2,708,720 | $2,768,681 | $3,917,146 | $2,039,960 | $2,771,449 | $3,083,159 |
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