|
| Commodity | 2005 | 2007 | 2008 |
| Hydrogen fluoride (hydrofluoric acid) | $26,195 | $29,027 | $1,470 |
| Inorganic acids other than hydrogen fluoride | $820 | $1,634 | $91,874 |
| Carbon dioxide | $5,926 | $78,997 | $137,317 |
| Silicon dioxide | $1,356,796 | $2,055,430 | $3,249,595 |
| Sulphur dioxide | $3,610 | $1,021 | |
| Inorganic oxygen comps. of non-metals other than inorganic acids/carbon dio ... | $24,841 | $14,581 | $1,397 |
| Total | $1,418,188 | $2,180,690 | $3,481,653 |
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