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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $30,144 | $49,137 | $15,109 | $44,341 | $265,263 | $287 | $21,365 |
| Silicates of sodium other than sodiummetasilicates | $579,396 | $377,559 | $354,416 | $2,166,569 | $2,796,196 | $2,807,090 | $2,818,324 |
| Potsssium silicates | $7,803 | $9,740 | $8,490 | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $437,517 | $312,668 | $684,942 | $1,155,894 | $926,682 | $1,278,739 | $2,075,119 |
| Total | $1,054,860 | $749,104 | $1,062,957 | $3,366,804 | $3,988,141 | $4,086,116 | $4,914,808 |
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