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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium metasilicates | $34,142 | $45,352 | $79,598 | $47,560 | $42,717 | $72,373 |
| Silicates of sodium other than sodiummetasilicates | $1,818,688 | $2,259,375 | $1,671,592 | $1,890,472 | $1,830,695 | $2,882,188 |
| Potsssium silicates | $777,303 | $1,462,869 | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $114,831 | $109,379 | $1,531,391 | $2,539,206 | $1,508,285 | $1,515,309 |
| Total | $2,744,964 | $3,876,975 | $3,282,581 | $4,477,238 | $3,381,697 | $4,469,870 |
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