Commodity200520062007200820092010
Hydrogen fluoride (hydrofluoric acid)     $77
Inorganic acids other than hydrogen fluoride$236$55$6,510$187$58$379
Carbon dioxide$77,623$61,064$107,660$87,505$49,095$40,580
Silicon dioxide$14,477$12,868$12,780$484$1,596 
Inorganic oxygen comps. of non-metals other than inorganic acids/carbon dio ...$1,586$2,965$2,211$2,399$2,064$2,901
Total$93,922$76,952$129,161$90,575$52,813$43,937