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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $17,390 | $1,495 | $2,222 | $5,166 | | $45 | $40 |
| Silicates of sodium other than sodiummetasilicates | $75,980 | $133,309 | $286,844 | $255,817 | $529,300 | $412,288 | $360,083 |
| Potsssium silicates | $4,320 | | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $164,820 | $177,230 | $166,753 | $205,624 | $187,491 | $159,572 | $340,461 |
| Total | $262,510 | $312,034 | $455,819 | $466,607 | $716,791 | $571,905 | $700,584 |
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