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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $4,775,867 | $5,190,685 | $4,548,083 | $1,139,372 | $556,247 | $767,720 | $677,745 |
| Silicates of sodium other than sodiummetasilicates | $7,859,940 | $7,491,075 | $7,592,356 | $12,655,785 | $9,710,287 | $9,449,581 | $11,332,802 |
| Potsssium silicates | $532,319 | $534,611 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $1,059,146 | $1,954,489 | $4,088,363 | $2,904,543 | $1,684,943 | $3,310,463 | $3,056,328 |
| Total | $14,227,272 | $15,170,860 | $16,228,802 | $16,699,700 | $11,951,477 | $13,527,764 | $15,066,875 |
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