    
        1947                                                                                                                  
                                                       

              
       1979  10      1983  10      1984 10                     
         1983  10   1985               1984  5  10   3     7                                           
                                        
                      
                   1984  5  10                                                                                                                          
             1979  8  9                                

                                                                            
                                                                     
        1983                 
 21     13     4        10                                                                            
                                                                  
                                               
           1984  10                 
                                                                                                          
                                                   
                                                                                                                                                                       
                               
                              
                                                                
                                       
                                   1984  10                                             
                   36                                                                                                                                   
                                                                     
                                                                                    
                                                                                          
                      2015  3  2   