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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Hydrogen fluoride (hydrofluoric acid) | $1,469,000 | $998,000 | $708,000 | $475,000 | $293,000 | $313,000 | $257,000 |
| Inorganic acids other than hydrogen fluoride | $1,079,000 | $1,270,000 | $1,087,000 | $2,133,000 | $1,301,000 | $1,426,000 | $1,599,000 |
| Carbon dioxide | $234,000 | $211,000 | $268,000 | $976,000 | $198,000 | $627,000 | $617,000 |
| Silicon dioxide | $2,526,000 | $2,888,000 | $3,417,000 | $4,087,000 | $3,939,000 | $5,161,000 | $8,567,000 |
| Sulphur dioxide | $344,000 | $439,000 | | | | | |
| Inorganic oxygen comps. of non-metals other than inorganic acids/carbon dio ... | $42,000 | $49,000 | $630,000 | $673,000 | $874,000 | $897,000 | $1,129,000 |
| Total | $5,694,000 | $5,855,000 | $6,110,000 | $8,344,000 | $6,605,000 | $8,424,000 | $12,169,000 |
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