a1 / 24
a2 / 45
a3 / 49
mt / 30
ft / 52
finl = a1 : 15 a2 : 15 a3 : 20 mt : 20 ft : 30

             a1   a2   a3   mt   ft   finl 

009796558    22.5 42.0 46   29.0 46.5 93   
009870754    18.5 42.0 43.5 29.2 41.5 87   
009891306    22.5 38.0 42.3 29.0 39.5 86   
944306640    23.0 37.0 46.3 29.8 46   92   
951240750    24.0 42.0 42   29.6 44   91   

951252970    20.0 40.0 45.5 26.5 46.5 89   
961022670    20.0 44.0 39   30.0 37   84   
961320420    22.0 29.0 45   29.0 50.5 90   
976030570    16.5 18.5 36.5 25.4 32   67   
990191939    20.5 43.0 43   27.4 42   87   

             a1   a2   a3   mt   ft   finl 

990424821    12.5 19.0 38.8 21.9 30.5 62   
990473812    16.5 34.0 44.3 19.0 34.5 72   
991025680    18.0 38.5 43   27.5 48   88   
991025797    22.5 38.0 47.5 24.0 43.5 87   
991046444    20.0 40.0 43.3 27.5 47   89   

991093543    20.0 35.0 42.3 29.8 48   89   
991196166    19.5 34.5 46.8 27.0 46.5 88   

             a1   a2   a3   mt   ft   finl 

    average  19.9 36.1 43.2 27.2 42.6 84.8 
     out of  24.0 45.0 49.0 30.0 52.0 100.0
   average%  83.0 80.3 88.2 90.5 81.8 84.8 

   All students:

   >=100%    1    0    0    1    0    0    
   90..<100% 5    5    7    11   4    4    
   80..<90%  6    6    7    3    7    10   
   70..<80%  2    3    3    1    3    1    
   60..<70%  2    1    0    1    2    2    
   50..<60%  1    0    0    0    1    0    
   40..<50%  0    2    0    0    0    0    
   35..<40%  0    0    0    0    0    0    
   30..<35%  0    0    0    0    0    0    
   20..<30%  0    0    0    0    0    0    
   10..<20%  0    0    0    0    0    0    
    1..<10%  0    0    0    0    0    0    
   < 1%      0    0    0    0    0    0    

      total  17   17   17   17   17   17   

             a1   a2   a3   mt   ft   finl