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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $5,007 | $8,840 | $39,610 | $399,555 | $207,942 | $28,711 | $5,556 |
| Silicates of sodium other than sodiummetasilicates | $525,457 | $708,318 | $895,638 | $1,437,106 | $1,612,296 | $1,993,887 | $2,485,041 |
| Potsssium silicates | $15,072 | $830 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $67,784 | $40,621 | $29,157 | $30,998 | $26,153 | $139,507 | $489,388 |
| Total | $613,320 | $758,609 | $964,405 | $1,867,659 | $1,846,391 | $2,162,105 | $2,979,985 |
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