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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $105,067 | $172,362 | $178,371 | $140,841 | $68,677 | $57,027 | $66,466 |
| Silicates of sodium other than sodiummetasilicates | $1,256,474 | $925,292 | $1,064,061 | $1,102,331 | $904,461 | $951,864 | $1,004,662 |
| Potsssium silicates | $253,518 | $275,982 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $88,485 | $77,974 | $384,833 | $427,184 | $309,285 | $244,103 | $476,533 |
| Total | $1,703,544 | $1,451,610 | $1,627,265 | $1,670,356 | $1,282,423 | $1,252,994 | $1,547,661 |
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