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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium metasilicates | | $860 | | $2,246 | $460 | $200 |
| Silicates of sodium other than sodiummetasilicates | $432,382 | $421,174 | $420,328 | $377,620 | $457,550 | $303,298 |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $13,711 | $1,232 | $10,294 | | $1,190 | $315 |
| Total | $446,093 | $423,266 | $430,622 | $379,866 | $459,200 | $303,813 |
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