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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $329,795 | $239,832 | $227,701 | $184,621 | $307,208 | $190,796 | $152,466 |
| Silicates of sodium other than sodiummetasilicates | $1,676,253 | $3,008,423 | $1,336,359 | $1,361,258 | $741,857 | $298,928 | $2,118,520 |
| Potsssium silicates | $315,989 | $219,204 | $268,475 | $510,105 | $296,969 | $311,562 | $206,384 |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $1,152,239 | $1,129,313 | $956,473 | $1,068,306 | $1,700,185 | $1,500,180 | $1,895,239 |
| Total | $3,474,276 | $4,596,772 | $2,789,008 | $3,124,290 | $3,046,219 | $2,301,466 | $4,372,609 |
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