Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Hydrogen fluoride (hydrofluoric acid) | | | | | | $79 | $2,201 |
Inorganic acids other than hydrogen fluoride | | | | | | $1,165 | $11,946 |
Carbon dioxide | $87,221 | $142,614 | $122,345 | $76,325 | $82,114 | $122,317 | $241,323 |
Silicon dioxide | | | | $146 | $5,075 | $617 | |
Inorganic oxygen comps. of non-metals other than inorganic acids/carbon dio ... | $158 | $123 | $2,473 | $1,805 | $1,461 | $6,188 | $1,842 |
Total | $87,379 | $142,737 | $124,818 | $78,276 | $88,650 | $130,366 | $257,312 |
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