Commodity200520062008200920102011
Inorganic acids other than hydrogen fluoride$39 $57,255 $140 
Carbon dioxide $109$227$15  
Silicon dioxide $35 $42$138$92
Inorganic oxygen comps. of non-metals other than inorganic acids/carbon dio ... $1,098   $11
Total$39$1,242$57,482$57$278$103