Commodity200520062007200820092011
Lactic acid, its salts & esters$5,101$210   $231
Tartaric acid$368  $306$36 
Salts & esters of tartaric acid    $588 
Citric acid$370$1,538$1,244$491$2,286$10,768
Salts & esters of citric acid  $642$5,978$2,563$7,623
Gluconic acid, its salts & esters   $7,531  
Carboxylic acids with alcohol function but without oth. oxygen function, th ...$101 $20,572  $1,859
Salicylic acid & its salts   $116 $798
Carboxylic acids with phenol function but without oth. oxygen function, the ...  $1,327$1,390$91$3,182
Carboxylic acids with additional oxygen function&their anhydrides,halides,p ...$14,616$32,595$1,588$1,790$405 
Total$20,556$34,343$25,373$17,602$5,969$24,461