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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $26,421 | $21,927 | $36,820 | $334,335 | $355,762 | $208,444 | $128,646 |
| Silicates of sodium other than sodiummetasilicates | $212,585 | $403,253 | $294,973 | $144,459 | $108,914 | $98,793 | $154,591 |
| Potsssium silicates | $66,672 | $22,497 | $16,060 | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $218,453 | $486,421 | $265,573 | $309,414 | $341,574 | $377,817 | $472,356 |
| Total | $524,131 | $934,098 | $613,426 | $788,208 | $806,250 | $685,054 | $755,593 |
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