names f t
class_21 83.8      1.7    
class_22 16.2     31.4    
class_31 64.8      1.4    
class_32 26.8     10.0    
class_33  8.4     35.1    
class_41 47.8      1.5    
class_42 36.8      1.4    
class_43  7.0     36.2    
class_44  8.4     32.9    
class_51 13.8      2.5    
class_52 56.7      1.5    
class_53 17.8      2.1    
class_54  5.5     41.9    
class_55  6.1     42.5