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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium metasilicates | $1,114,584 | $1,207,383 | $3,385,740 | $1,271,559 | $724,455 | $271,130 |
| Silicates of sodium other than sodiummetasilicates | $1,985,904 | $3,067,142 | $5,281,338 | $7,063,644 | $6,215,119 | $7,723,589 |
| Potsssium silicates | $859 | $905 | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $55,465 | $15,395 | $14,507 | $16,878 | $7,588 | $22,551 |
| Total | $3,156,812 | $4,290,825 | $8,681,585 | $8,352,081 | $6,947,162 | $8,017,270 |
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