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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $56,000 | $40,368 | $73,942 | $97,466 | $109,995 | $135,540 | $160,003 |
| Silicates of sodium other than sodiummetasilicates | $230,000 | $326,650 | $834,205 | $343,329 | $368,563 | $253,451 | $218,637 |
| Potsssium silicates | | $429 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $66,000 | $58,010 | $51,442 | $79,819 | $138,901 | $76,483 | $146,450 |
| Total | $352,000 | $425,457 | $959,589 | $520,614 | $617,459 | $465,474 | $525,090 |
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