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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium metasilicates | $1 | | $6,468 | | | |
| Silicates of sodium other than sodiummetasilicates | $1,999 | $3,090 | | $632 | $29,151 | $2,699 |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | | $93,186 | $106,254 | | | |
| Total | $2,000 | $96,276 | $112,722 | $632 | $29,151 | $2,699 |
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