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| Commodity | 2005 | 2006 | 2007 | 2010 |
| Sodium metasilicates | $293,148 | $603,405 | $818,854 | $768,268 |
| Silicates of sodium other than sodiummetasilicates | $1,098,012 | $1,003,531 | $1,110,816 | $1,774,936 |
| Potsssium silicates | $20,627 | $8,661 | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $4,625,369 | $5,313,547 | $12,554,032 | $4,656,272 |
| Total | $6,037,156 | $6,929,144 | $14,483,702 | $7,199,476 |
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