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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | | | | $116 | | $63 | $830 |
| Silicates of sodium other than sodiummetasilicates | $999,326 | $780,735 | $1,184,738 | $1,906,755 | $1,736,477 | $657,594 | $452,952 |
| Potsssium silicates | $16,889 | $213 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $14,993 | $50,529 | $66,090 | $220,998 | $103,084 | $56,090 | $139,108 |
| Total | $1,031,208 | $831,477 | $1,250,828 | $2,127,869 | $1,839,561 | $713,747 | $592,890 |
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