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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $42,911 | $110,600 | $227,172 | $161,596 | $100,431 | $72,485 | $69,756 |
| Silicates of sodium other than sodiummetasilicates | $153,197 | $333,191 | $527,389 | $617,944 | $666,647 | $791,845 | $760,636 |
| Potsssium silicates | $20,195 | $7,082 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $2,260 | $83,015 | $118,724 | $70,857 | $12,604 | $13,665 | $55,990 |
| Total | $218,563 | $533,888 | $873,285 | $850,397 | $779,682 | $877,995 | $886,382 |
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