Commodity200520062007200820092010
Lactic acid, its salts & esters$27 $18 $1,099$12,649
Tartaric acid    $220$24
Salts & esters of tartaric acid    $502$76
Citric acid$52,075$27,650$40,283$49,842$21,228$42,197
Salts & esters of citric acid$34$69$8 $1,303$610
Gluconic acid, its salts & esters  $14   
Carboxylic acids with alcohol function but without oth. oxygen function, th ...$68 $464 $625$1,341
Salicylic acid & its salts$457$238$415$5$232$1,232
Esters of salicylic acid & their salts, other than salicylic acid & its sal ...    $357 
Carboxylic acids with phenol function but without oth. oxygen function, the ...  $19$906$3$5
Carboxylic acids with aldehyde/ketone function but without oth. oxygen func ... $55 $173$282$14
Carboxylic acids with additional oxygen function&their anhydrides,halides,p ... $47    
Total$52,661$28,059$41,221$50,926$25,851$58,148