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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $10,226,289 | $7,222,259 | $9,708,093 | $14,863,115 | $13,546,019 | $14,514,337 | $20,635,243 |
| Silicates of sodium other than sodiummetasilicates | $21,829,025 | $29,704,334 | $39,805,416 | $71,176,556 | $57,599,889 | $75,022,150 | $91,361,942 |
| Potsssium silicates | $461,715 | $682,537 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $35,656,656 | $24,012,013 | $31,540,003 | $11,184,331 | $10,759,551 | $14,277,804 | $15,824,106 |
| Total | $68,173,685 | $61,621,143 | $81,053,512 | $97,224,002 | $81,905,459 | $103,814,291 | $127,821,291 |
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