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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Silicates of sodium other than sodiummetasilicates | $3,985 | $2,183 | $1,920 | $140,471 | $8,804 | $14,759 | $3,375 |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $1,014 | | | | $13,480 | $7,525 | $2,618 |
| Total | $4,999 | $2,183 | $1,920 | $140,471 | $22,284 | $22,284 | $5,993 |
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