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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $39,772 | $12,618 | $19,325 | $51,790 | $3,465 | $137,665 | $64,583 |
| Silicates of sodium other than sodiummetasilicates | $12,080,722 | $10,244,784 | $5,037,705 | $2,126,078 | $670,749 | $1,152,286 | $1,073,484 |
| Potsssium silicates | $201,258 | $187,541 | $203,958 | $19,316 | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $115,617 | $172,205 | $153,470 | $232,944 | $269,411 | $1,081,969 | $603,646 |
| Total | $12,437,369 | $10,617,148 | $5,414,458 | $2,430,128 | $943,625 | $2,371,920 | $1,741,713 |
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