Commodity2005200620072008200920102011
Oxalic acid, its salts & esters$4,962$1,328$3,178 $242$205$305
Maleic anhydride $1,372  $103  
Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxya ...$5,898$81$6,853$6,245$20,692$33,673$4,175
Cyclanic/cyclenic/cycloterpenic polycarboxylic acids, their anhydrides, hal ...   $12   
Dibutyl orthophthalates  $19    
Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxy ...$29,500$11,452$841$574$7,776$1,653$642
Total$40,360$14,233$10,891$6,831$28,813$35,531$5,122