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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium metasilicates | $4,844,651 | $5,425,927 | $5,438,857 | $5,726,285 | $3,812,269 | $5,099,350 | $3,931,293 |
| Silicates of sodium other than sodiummetasilicates | $3,631,017 | $3,885,915 | $2,677,005 | $2,296,764 | $1,897,701 | $3,254,257 | $6,007,357 |
| Potsssium silicates | $3,122,594 | $5,693,829 | | | | | |
| Silicates other than of sodium/potassium; commercial alkali metal silicates ... | $6,480,677 | $9,091,601 | $12,737,282 | $9,960,092 | $7,406,184 | $9,488,226 | $6,236,597 |
| Total | $18,078,939 | $24,097,272 | $20,853,144 | $17,983,141 | $13,116,154 | $17,841,833 | $16,175,247 |
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