|
| Commodity | 2005 | 2007 | 2008 |
| Hydrogen fluoride (hydrofluoric acid) | $147,277 | $161,563 | $85,988 |
| Inorganic acids other than hydrogen fluoride | $115,818 | $283,008 | $1,593,145 |
| Carbon dioxide | $462,535 | $1,231,262 | $4,952,480 |
| Silicon dioxide | $29,583,686 | $55,920,570 | $86,949,000 |
| Sulphur dioxide | $880 | $11,227 | |
| Inorganic oxygen comps. of non-metals other than inorganic acids/carbon dio ... | $195,036 | $9,505 | $156,052 |
| Total | $30,505,232 | $57,617,135 | $93,736,665 |
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