Commodity200520062007200820092010
Aminohydroxynaphthalenesulphonic acids & their salts  $149,122   
Lysine & its esters; salts thereof$28,583$6,045$28,631$39,626$53,031$55,791
Amino-acids, other than those cont. > one kind of oxygen function, & their ...    $19,841$30,810
Total$28,583$6,045$177,753$39,626$72,872$86,601