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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Silicates of sodium other than sodiummetasilicates | $22,898 | $6,864 | $26,857 | $98,486 | $196,765 | $144,257 | $128,755 |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $1,562 | $9,314 | | $1,350 | $7,807 | $15,126 | $5,337 |
| Total | $24,460 | $16,178 | $26,857 | $99,836 | $204,572 | $159,383 | $134,092 |
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