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| Commodity | 2005 | 2006 | 2007 |
| Hydrogen fluoride (hydrofluoric acid) | $9,333 | $46,152 | $13,028 |
| Inorganic acids other than hydrogen fluoride | $116,345 | $49,190 | $38,163 |
| Carbon dioxide | $11,019 | $50,525 | $63,286 |
| Silicon dioxide | $1,303,787 | $1,469,275 | $1,662,735 |
| Sulphur dioxide | $15,772 | $27,155 | $1,111 |
| Inorganic oxygen comps. of non-metals other than inorganic acids/carbon dio ... | $218,469 | $97,925 | $106,276 |
| Total | $1,674,725 | $1,740,222 | $1,884,599 |
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