Commodity20052006200720092011
Oxalic acid, its salts & esters$802$197$195$443$90
Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxya ...   $442$1,282
Dibutyl orthophthalates$6,699$5,461   
Dioctyl orthophthalates    $6,479
Esters of orthophthalic acid, other than dibutyl/dioctyl/dionyl/didecyl ort ...  $5,463$2,764$1,568
Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxy ...    $66
Total$7,501$5,658$5,658$3,649$9,485