                                                                                                  1936   2                                                                                                                                                                                                                                                                                                                                1936   2                                                                                                                                                                                                                                                            —                                                                                                                               
                                                                                          1936   5                                                                                                                                                                                               
1937                                                                                                                                                                              3.26                                                                                                                                                                
                        22                                                                                                                                                                                                                                                                                                                                                          1947                                                                                                                                                                                                               〈〉—       〈〉—         〈〉                                                 〈〉                      〈    〉                                                                                                       
                                                                                                                                                                                                    18—45                                                                                                                                      10              10                                                                                                                                 3.26                         
                                                                                                                1945                                                                  1947   12                           12         35                1949   1                                                                                 