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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium metasilicates | $184,194 | $331,045 | $48,882 | $411,197 | $693,030 | $13,225 |
| Silicates of sodium other than sodiummetasilicates | $798,654 | $1,473,866 | $2,516,921 | $3,268,193 | $2,949,337 | $3,794,912 |
| Potsssium silicates | | $8,305 | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $36,417 | $133,492 | $50,772 | $22,701 | $30,968 | $24,537 |
| Total | $1,019,265 | $1,946,708 | $2,616,575 | $3,702,091 | $3,673,335 | $3,832,674 |
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