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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $570 | $2,519 | $9,522 | $2,082 | $1,042 | | |
| Silicates of sodium other than sodiummetasilicates | $1,841,303 | $3,239,078 | $6,052,827 | $5,015,633 | $3,012,121 | $2,899,893 | $2,525,135 |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | | | $26,193 | $1,342 | $2,313 | $574 | $2,380 |
| Total | $1,841,873 | $3,241,597 | $6,088,542 | $5,019,057 | $3,015,476 | $2,900,467 | $2,527,515 |
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