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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium metasilicates | $24,316 | $21,597 | $17,048 | $31,944 | $34,984 | $29,370 |
| Silicates of sodium other than sodiummetasilicates | $444,097 | $927,823 | $743,293 | $899,194 | $738,198 | $244,474 |
| Potsssium silicates | $654 | $77,268 | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $255,897 | $341,894 | $597,698 | $244,006 | $366,094 | $832,556 |
| Total | $724,964 | $1,368,582 | $1,358,039 | $1,175,144 | $1,139,276 | $1,106,400 |
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