Commodity200520062007200820092010
Lactic acid, its salts & esters$1,846$1,372$2,122$3,224$952 
Salts & esters of tartaric acid   $20$9,665$2,233
Citric acid$3,663$8,861$4,444$18,671$15,899$4,954
Carboxylic acids with alcohol function but without oth. oxygen function, th ...  $242 $3,060$2,957
Carboxylic acids with aldehyde/ketone function but without oth. oxygen func ...   $6,586  
Carboxylic acids with additional oxygen function&their anhydrides,halides,p ...$5,427$2,323$1,300   
Total$10,936$12,556$8,108$28,501$29,576$10,144