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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $243,759 | $130,511 | $971,151 | $1,714,651 | $1,645,481 | $1,192,638 | $1,796,465 |
| Silicates of sodium other than sodiummetasilicates | $868,367 | $338,995 | $1,512,858 | $1,055,252 | $1,556,842 | $2,390,306 | $1,660,951 |
| Potsssium silicates | $97,193 | $133,042 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $1,789,846 | $170,277 | $2,229,564 | $1,648,136 | $1,225,952 | $764,389 | $1,741,633 |
| Total | $2,999,165 | $772,825 | $4,713,573 | $4,418,039 | $4,428,275 | $4,347,333 | $5,199,049 |
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