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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $1,458,158 | $121,455 | $408,292 | $850,426 | $545,996 | $119,103 | $22,940 |
| Silicates of sodium other than sodiummetasilicates | $5,137,283 | $7,190,743 | $6,683,893 | $13,473,575 | $10,614,333 | $15,631,257 | $9,134,809 |
| Potsssium silicates | $325,302 | $44,456 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $2,089,812 | $2,994,494 | $3,554,901 | $1,482,116 | $2,985,074 | $5,531,281 | $13,478,232 |
| Total | $9,010,555 | $10,351,148 | $10,647,086 | $15,806,117 | $14,145,403 | $21,281,641 | $22,635,981 |
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