      
                  
             
        
                  
  1945                                                           
          
          
                                     
                                                                   
                
                                                                 
              
                       1962                                    
             

                                                                                                       
                 
                                            
                            
                                                          
                 
                                 1989          1990          1994                                            
                        
                                               
             
                                                                                                    
             
                                                                                                                              
                  
                                                                                                             
                    
                                                                                                                                                                                                                             
            
                                                         
                        
                                                                                                                                    
               
                                                                                        
           
  1962                                                                                                 
           
                                                                                                                                
            
                                                                                                                    
      
                
                1995 10 12    