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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $10,879 | $83,791 | $28,460 | $184,394 | $127,131 | $20,594 | $75,866 |
| Silicates of sodium other than sodiummetasilicates | $819,371 | $676,667 | $680,938 | $1,114,494 | $1,287,171 | $1,493,297 | $2,306,634 |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $126,408 | $17,236 | $87,449 | $48,788 | $21,776 | $462,132 | $1,032,827 |
| Total | $956,658 | $777,694 | $796,847 | $1,347,676 | $1,436,078 | $1,976,023 | $3,415,327 |
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