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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium metasilicates | $1,083,289 | $1,176,508 | $872,269 | $1,010,907 | $778,385 | $973,278 |
| Silicates of sodium other than sodiummetasilicates | $5,549,307 | $4,741,476 | $6,422,932 | $7,147,295 | $5,582,060 | $4,349,943 |
| Potsssium silicates | $747,920 | $950,737 | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $5,741,948 | $11,303,955 | $5,462,281 | $6,937,291 | $6,381,671 | $8,763,670 |
| Total | $13,122,464 | $18,172,676 | $12,757,482 | $15,095,493 | $12,742,116 | $14,086,891 |
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