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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $367,719 | $516,812 | $366,055 | $216,758 | $141,052 | $44,571 | $91,727 |
| Silicates of sodium other than sodiummetasilicates | $1,566,587 | $2,521,006 | $2,445,769 | $3,799,221 | $2,643,712 | $1,562,480 | $220,017 |
| Potsssium silicates | $20,757 | $349,544 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $421,485 | $621,687 | $832,777 | $797,577 | $568,722 | $471,772 | $75,967 |
| Total | $2,376,548 | $4,009,049 | $3,644,601 | $4,813,556 | $3,353,486 | $2,078,823 | $387,711 |
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