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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $831,689 | $1,101,358 | $1,221,166 | $1,156,644 | $1,346,127 | $1,285,166 | $1,226,344 |
| Silicates of sodium other than sodiummetasilicates | $4,673,686 | $3,801,845 | $4,062,852 | $2,230,449 | $1,830,843 | $2,569,427 | $2,305,951 |
| Potsssium silicates | $279,295 | $517,516 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $2,225,461 | $1,262,790 | $1,883,513 | $1,346,451 | $1,470,189 | $1,384,388 | $1,606,690 |
| Total | $8,010,131 | $6,683,509 | $7,167,531 | $4,733,544 | $4,647,159 | $5,238,981 | $5,138,985 |
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