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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $29,370 | $6,980 | $15,646 | $30,421 | $11,528 | $8,426 | $23,192 |
| Silicates of sodium other than sodiummetasilicates | $76,773 | $39,850 | $64,020 | $53,656 | $85,485 | $108,671 | $76,436 |
| Potsssium silicates | $16,953 | $21,057 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $15,646 | $6,799 | $50,842 | $25,772 | $128,264 | $42,880 | $89,378 |
| Total | $138,742 | $74,686 | $130,508 | $109,849 | $225,277 | $159,977 | $189,006 |
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