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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $6,992 | $10,542 | $5,401 | $2,560 | $10,033 | $9,278 | $8,084 |
| Silicates of sodium other than sodiummetasilicates | $420,390 | $355,763 | $821,388 | $631,402 | $29,286 | $148,598 | $510,058 |
| Potsssium silicates | $7,618 | | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $4,069 | $23,012 | $8,566 | $1,005 | $7,530 | $3,563 | $2,339 |
| Total | $439,069 | $389,317 | $835,355 | $634,967 | $46,849 | $161,439 | $520,481 |
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