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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $89,257 | $39,943 | $85,249 | $59,586 | $85,820 | $65,557 | $67,246 |
| Silicates of sodium other than sodiummetasilicates | $85,607 | $283,145 | $331,438 | $913,437 | $786,337 | $692,832 | $1,338,431 |
| Potsssium silicates | | $2,327 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $96,784 | $398,487 | $225,421 | $238,092 | $137,004 | $231,918 | $213,190 |
| Total | $271,648 | $723,902 | $642,108 | $1,211,115 | $1,009,161 | $990,307 | $1,618,867 |
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