Commodity200920102011
Lactic acid, its salts & esters $36$353
Salts & esters of tartaric acid$276$659$593
Citric acid$2,023$9,303$5,399
Salts & esters of citric acid  $1,054
Carboxylic acids with alcohol function but without oth. oxygen function, th ...  $2,984
Salicylic acid & its salts$235$511$1,330
Carboxylic acids with phenol function but without oth. oxygen function, the ...$2,800$3,769$4,278
Carboxylic acids with aldehyde/ketone function but without oth. oxygen func ...$750$102 
Carboxylic acids with additional oxygen function&their anhydrides,halides,p ...$880$113 
Total$6,964$14,493$15,991