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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $1,895 | $3,908 | $5,398 | $1,146 | $1,175 | $29,170 | $2,795 |
| Silicates of sodium other than sodiummetasilicates | $2,821 | | | $122,962 | $681 | $6,256 | $11,892 |
| Potsssium silicates | $32 | | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $2,914 | $12,162 | $64,078 | $78,969 | $21,362 | $7,881 | $149,498 |
| Total | $7,662 | $16,070 | $69,476 | $203,077 | $23,218 | $43,307 | $164,185 |
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