     
    
                                                                                    
       
                                                                  1918                                                             1927   10                                                                                                                1930                                                                                                                                                                                                1939                                      
1937                                                                                                                                                              1947   12                      1949   4                       
                   
   1933   5   23                                360      500      200                                                      
                                    1936   11                                                                                                                                     1936   11                                                                                                                           
                                                                    〈 〉       
                                                                                                        
                                                                                                                                                          
           7.7                                                                                        
                                                                                                                                                                                                                                                                                                                                                            
         
                                                           
1911                                                                                                                                                                             
     1914                                        1928                                                                                                                             1933                                                                                                                                                      
                                                                                                                                                                                                                                                                                             200                                                                                                                                                                                                                                  70                  20                                            
                                                                                                                                  
1934   8                                                                         