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| Commodity | 2005 | 2006 | 2007 | 2010 |
| Hydrogen fluoride (hydrofluoric acid) | $219,794 | $196,386 | $181,373 | $2,143,203 |
| Inorganic acids other than hydrogen fluoride | $205,837 | $843,225 | $1,698,256 | $1,187,735 |
| Carbon dioxide | $454,948 | $615,233 | $838,807 | $372,267 |
| Silicon dioxide | $1,965,157 | $2,955,084 | $3,344,042 | $31,817,640 |
| Sulphur dioxide | $26,492 | $19,004 | | |
| Inorganic oxygen comps. of non-metals other than inorganic acids/carbon dio ... | $1,416,119 | $1,104,116 | $2,067,331 | $624,801 |
| Total | $4,288,347 | $5,733,048 | $8,129,809 | $36,145,646 |
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