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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium metasilicates | | | $1,466 | | | |
| Silicates of sodium other than sodiummetasilicates | $1,599 | $17,651 | $2,718 | $12,783 | | $709 |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $9,041 | $9,222 | $7,863 | $4,547 | $2,243 | $6,335 |
| Total | $10,640 | $26,873 | $12,047 | $17,330 | $2,243 | $7,044 |
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