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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium metasilicates | $110,011 | $94,812 | $130,261 | $137,586 | $640,393 | $761,130 |
| Silicates of sodium other than sodiummetasilicates | $1,967,112 | $2,325,913 | $2,300,651 | $1,844,705 | $1,858,609 | $1,851,070 |
| Potsssium silicates | $255,750 | $219,369 | $191,702 | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $1,435,051 | $3,065,743 | $3,507,108 | $7,002,610 | $4,224,383 | $5,424,730 |
| Total | $3,767,924 | $5,705,837 | $6,129,722 | $8,984,901 | $6,723,385 | $8,036,930 |
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