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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium metasilicates | $657,737 | $317,075 | $659,987 | $680,810 | $642,744 | $558,415 |
| Silicates of sodium other than sodiummetasilicates | $107,537 | $228,772 | $147,492 | $168,998 | $169,921 | $117,838 |
| Potsssium silicates | $17,982 | $97,217 | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $163,531 | $16,573 | $15,055 | $14,631 | $20,628 | $64,564 |
| Total | $946,787 | $659,637 | $822,534 | $864,439 | $833,293 | $740,817 |
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