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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $286,555 | $4,984 | $4,750 | $4,317 | $1,292 | $513 | $31,358 |
| Silicates of sodium other than sodiummetasilicates | $30,802 | $20,450 | $17,059 | $14,651 | $23,794 | $99,027 | $123,678 |
| Potsssium silicates | $508,318 | $659,682 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $178,238 | $311,285 | $1,544,201 | $1,526,652 | $1,194,865 | $1,430,330 | $1,557,651 |
| Total | $1,003,913 | $996,401 | $1,566,010 | $1,545,620 | $1,219,951 | $1,529,870 | $1,712,687 |
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