Commodity200520062007
Hydrogen fluoride (hydrofluoric acid) $75 
Inorganic acids other than hydrogen fluoride$5,217$8,705$2,268
Carbon dioxide$149,035$26,550 
Silicon dioxide$14,721$8,904$53,689
Inorganic oxygen comps. of non-metals other than inorganic acids/carbon dio ...$554 $652
Total$169,527$44,234$56,609