Commodity20052006200720082009
Penicillins & their derivs. with a penicillanic acid structure; salts there ... $171  $76
Streptomycins & their derivs.; salts thereof $171   
Tetracyclines & their derivs.; salts thereof $86   
Chloramphenicol & its derivs.; salts thereof$5,307$11,237$7,205 $3,775
Erythromycin & its derivs.; salts thereof   $2,872$7
Antibiotics & their derivs. (excl. of 2941.10-2941.50); salts thereof $2,264$2,334$152 
Total$5,307$13,929$9,539$3,024$3,858