|
| Commodity | 2007 | 2008 | 2009 | 2010 | 2011 |
| Silicates of sodium other than sodiummetasilicates | | $78,394 | $24,179 | $1,550 | $39,451 |
| Potsssium silicates | | $39,981 | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $3,552 | | | $109 | |
| Total | $3,552 | $118,375 | $24,179 | $1,659 | $39,451 |
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