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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $8,158,496 | $2,314,848 | $3,523,807 | $4,071,321 | $4,295,793 | $7,558,347 | $8,640,004 |
| Total | $8,158,496 | $2,314,848 | $3,523,807 | $4,071,321 | $4,295,793 | $7,558,347 | $8,640,004 |
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