Commodity20052006200720082010
Hydrogen fluoride (hydrofluoric acid) $68,025  $26,578
Inorganic acids other than hydrogen fluoride$221,140$4,755$3,526$29,778$11,876
Carbon dioxide$51,856$82,288$197,105$117,985$306,788
Silicon dioxide$1,635$2,811$2,009$107,760$182,184
Sulphur dioxide $5,502   
Inorganic oxygen comps. of non-metals other than inorganic acids/carbon dio ... $28,435$54,139$28,028$324
Total$274,631$191,816$256,779$283,551$527,750