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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $7,598 | $13,689 | $11,862 | $16,577 | $1,422 | $3,918 | $6,203 |
| Silicates of sodium other than sodiummetasilicates | $53,045 | $33,976 | $35,699 | $299,119 | $56,378 | $59,322 | $161,857 |
| Potsssium silicates | | | $11,503 | $314 | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $93,755 | $38,471 | $122,008 | $57,050 | $21,582 | $64,800 | $16,739 |
| Total | $154,398 | $86,136 | $181,072 | $373,060 | $79,382 | $128,040 | $184,799 |
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