           
                        
      65     2014                                                                                       
                                                                               

                                                                       200                                                    
                                                                             .                                                                             
                                                                                                           
        
        
                                                                                 14                        
            1939                                                                     
                                 1956           1957           1958                   1958   11                                                                                                             12                           
                                             14                   7.62                                         
                                                                                                                             
                                       1960   14            15                                                                                  
        
        
                                                                                                    1000                                                  
                1959                                                                                                                                                      
                                                                                         
                                                            
                                                                                       
                                                                                                                          
               
         
                                                                                  
                                                                                                                                                       
     14                                                                                                                                                          
                                                                                           3  4        1  2                                                                
                                                             7.62    79      100   4         300                          800                                                                                                     
                                                                                                  
                                                                              
               60                                                                                                    t                                               
                                                                                                 
                60                                                        1959   1961                1961                            1960  1961                          
                                                                                        ,     1961                                  

                                                                                                                                      
        
           
      1961                                     45                                                                           
                                                                                                                     14         
                                                                                                                                                   
                                                      14                    1960   4                                          
                                                                                                          
                                                      1975   8    17              9                                              56          