|
| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $63,650 | | $219,448 | $98,440 | $60,720 | $215,404 |
| Silicates of sodium other than sodiummetasilicates | | | | | $104,800 | |
| Potsssium silicates | $13,115 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | | $25,784 | $253,534 | $99,562 | | $34,410 |
| Total | $76,765 | $25,784 | $472,982 | $198,002 | $165,520 | $249,814 |
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