Commodity200520062007200820092010
Citric acid$120$1,350$38,446$21,895$13,582$9,600
Salicylic acid & its salts  $18,920   
O-Acetylsalicylic acid, its salts & esters  $18,920   
Carboxylic acids with phenol function but without oth. oxygen function, the ...     $882
Total$120$1,350$76,286$21,895$13,582$10,482