       
        
     
        1958  10   1964   11   
         1958   10   1960   2   
   1958   10   1962   10   
    1959   2   1966   5   
    1960   4   1960   11   
    1961   9   1963   
    1965   11   1966   5   
         
          
      
        1963   1964   
         1958   10   1965   3   
      1959   8   1960   7   
    1959   9   1960   
    1960   6   1963   1965   1966   5   
    1965   12   1966   5   

            
       
        1958   10   1961   8   
         1959   5   1960   5   
    1960   4   1966   5   
    1962   10   1963   9   
    1964   2   1966   5   
    1966   2   1966   5   

           
     
           1958   10   1966   5   
    1958   10   1959   
    1959   2   1960   11   
    1960   11   1962   4   
      1961   10   1966   5   
    1965   12   1966   5   

        
     
        1961   8   1965   10   
      1961   8   1966   5   
    1965   12   1966   5   

    
      1962      
           1962   10   1966   5   
    1963   2   1965   3   
     1965   12   1966   5   

         
      1962      
        1964   1965    
         1962   10   1966   5   
      1962  10   1965   12   
    1965   12   1966   5   

           
      1962      
          1966   1   1966   5   
           1962   10   1965   
    1962   10   1965   3   

          

     1966       21      1967           22      1968                                             1972                20    

                
      
      
         1966   5   1968   
         1966   5   1968   
      1966   5   1968   
    1966   5   1968   

         
      
        1966   5   1968   

        
      
        1966   5   1968   
          1966   5   1968   
      1966   5   1968   
    1966   5   1968   

       
     
         1966   5   1968   
    1966   5   1968   

         
      
         1966   5   1968   
    1966   5   1968   

       
       
         1966   5   1968   
    1966   5   1968   
    1966   5   1968   

        
     
           1966   5   1968   
      1966   5   1968   
      1966   5   1968   

        
     
           1966   5   1968   
    1966   5   1968   

       
     
           1966   5   1968   
     1966   5   1968   

       
     
         1966   5   1968   
    1966   5   1968   

       
     
      1966   5   1968   

               
           
     
        1968   1969   6   
      1969   9   1975   12   
    1975  12   1976   5   
      1976    1976   10   
         1968   1970   
      1968   1971   
    1969   10   1973   6   
    1972   4   1973   6   
    1971   4   1975   12   
      1973   4   1975   12   
      1973   5   1975   
      1975   12   1976   10   
      1975   12   1976   5   
    1975   12   1976   10   
    1976   9   1976   10   