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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $104,465 | $65,850 | $8,289 | $67,542 | $35,356 | $34,976 | $41,075 |
| Silicates of sodium other than sodiummetasilicates | $116,079 | $79,002 | $55,444 | $269,891 | $97,652 | $62,934 | $335,432 |
| Potsssium silicates | $2,915 | $15,131 | $3,465 | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $169,899 | $269,618 | $445,638 | $966,236 | $198,007 | $542,820 | $389,190 |
| Total | $393,358 | $429,601 | $512,836 | $1,303,669 | $331,015 | $640,730 | $765,697 |
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