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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium metasilicates | $714 | $1,421 | $2,244 | $1,810 | $10,187 | $6,054 |
| Silicates of sodium other than sodiummetasilicates | $76,728 | $73,395 | $80,541 | $128,587 | $55,593 | $28,743 |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $1,725 | | $19,020 | $22,722 | $117,203 | $8,227 |
| Total | $79,167 | $74,816 | $101,805 | $153,119 | $182,983 | $43,024 |
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