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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $28,569 | $20,955 | $73,070 | $98,236 | $26,558 | $64,616 | $52,235 |
| Silicates of sodium other than sodiummetasilicates | $273,074 | $218,699 | $147,691 | $304,533 | $183,289 | $123,262 | $76,731 |
| Potsssium silicates | $15,486 | $23,746 | $9,583 | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $150,139 | $158,775 | $122,392 | $65,487 | $34,897 | $37,828 | $8,881 |
| Total | $467,268 | $422,175 | $352,736 | $468,256 | $244,744 | $225,706 | $137,847 |
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