Commodity200520062007200820092011
Hydrogen fluoride (hydrofluoric acid)   $1,270$2,981$279
Inorganic acids other than hydrogen fluoride$14,267$7,065$6,618$81,511$1,291$2,578
Carbon dioxide $1,194$70,402$14,031$9,423$35,458
Silicon dioxide$53,503$78,155$149,435$74,578$91,021$155,632
Sulphur dioxide  $4,292   
Inorganic oxygen comps. of non-metals other than inorganic acids/carbon dio ...$23,438$10,347$25,478$21,388$3,450$11,725
Total$91,208$96,761$256,225$192,778$108,166$205,672