Commodity2005200620072008200920102011
Hydrogen fluoride (hydrofluoric acid)$20     $47
Inorganic acids other than hydrogen fluoride$38$1,041$75$138$146$359 
Carbon dioxide$37,411$64,425$142,831$152,241$279,838$396,905$640,782
Silicon dioxide $2,720$8,232  $14$38,859
Inorganic oxygen comps. of non-metals other than inorganic acids/carbon dio ...$5,916$20,696$23,811$25,927$12,418$23,732$6,997
Total$43,385$88,882$174,949$178,306$292,402$421,010$686,685