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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $423,400 | $428,600 | $531,700 | $524,000 | $244,500 | $216,900 | $83,000 |
| Silicates of sodium other than sodiummetasilicates | $49,800 | $46,400 | $84,700 | $360,500 | $174,900 | $122,000 | $88,900 |
| Potsssium silicates | $66,400 | $53,000 | $124,700 | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $18,000 | $9,100 | $48,300 | $92,200 | $129,500 | $140,200 | $233,100 |
| Total | $557,600 | $537,100 | $789,400 | $976,700 | $548,900 | $479,100 | $405,000 |
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