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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $151,573 | $197,527 | $208,925 | $180,482 | $82,261 | $125,552 | $190,612 |
| Silicates of sodium other than sodiummetasilicates | $2,180,335 | $1,472,701 | $1,597,075 | $3,283,197 | $2,400,336 | $2,129,801 | $2,765,727 |
| Potsssium silicates | $2,375,611 | $4,581,559 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $1,237,778 | $1,789,547 | $8,004,495 | $9,731,945 | $9,591,243 | $11,272,364 | $12,317,525 |
| Total | $5,945,297 | $8,041,334 | $9,810,495 | $13,195,624 | $12,073,840 | $13,527,717 | $15,273,864 |
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