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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $2,094 | $1,580 | $1,293 | $2,085 | $1,445 | $1,108 | $1,176 |
| Silicates of sodium other than sodiummetasilicates | $3,344 | | $4,941 | $6,737 | $1,264 | $3,055 | $7,318 |
| Potsssium silicates | $496 | | $26,369 | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $1,630 | $820 | $418 | $7,785 | $1,960 | $14,012 | $7,989 |
| Total | $7,564 | $2,400 | $33,021 | $16,607 | $4,669 | $18,175 | $16,483 |
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