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| Commodity | 2005 | 2006 | 2007 | 2008 | 2010 |
| Sodium metasilicates | $840,663 | $1,221,902 | $1,959,728 | $860,473 | $2,424,084 |
| Silicates of sodium other than sodiummetasilicates | | $778 | | | $97,083 |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $550,129 | $348,997 | $493,954 | $552,566 | $359,883 |
| Total | $1,390,792 | $1,571,677 | $2,453,682 | $1,413,039 | $2,881,050 |
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