Commodity20062007200820092010
Hydrogen fluoride (hydrofluoric acid) $123$1,424$1,994$255
Inorganic acids other than hydrogen fluoride$479$1,569$10,284$8,187$31,494
Carbon dioxide$2,707$23,487$41,479$149,839$22,988
Silicon dioxide$340 $1,010  
Inorganic oxygen comps. of non-metals other than inorganic acids/carbon dio ...$683$42,738$1,125$497$60
Total$4,209$67,917$55,322$160,517$54,797