Commodity200520062007200820092010
Oxalic acid, its salts & esters$334$262$510$910 $1,072
Maleic anhydride     $4,689
Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxya ...$2,020$1,229$80,225$301$408$6,180
Dibutyl orthophthalates$2,909$4,830    
Dioctyl orthophthalates   $2,330  
Esters of orthophthalic acid, other than dibutyl/dioctyl/dionyl/didecyl ort ...   $714$481 
Phthalic anhydride $35    
Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxy ...$1,511$1,856$360 $51 
Total$6,774$8,212$81,095$4,255$940$11,941