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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $581,341 | $671,326 | $436,351 | $418,784 | $308,493 | $392,665 | $454,631 |
| Silicates of sodium other than sodiummetasilicates | $1,863,372 | $1,911,521 | $2,066,442 | $2,159,916 | $1,858,314 | $1,883,234 | $1,982,466 |
| Potsssium silicates | $127,667 | $118,300 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $1,240,876 | $2,973,866 | $4,658,564 | $8,181,497 | $4,509,021 | $5,950,773 | $4,913,075 |
| Total | $3,813,256 | $5,675,013 | $7,161,357 | $10,760,197 | $6,675,828 | $8,226,672 | $7,350,172 |
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