               
                                         85                                                          68                                                                                                                                                 
                                                     
   1930                      1947                                                                                                                                                           13                   12                                                                                                                                                         1974       9                                                                        42                              
               4                                                                    
                                                                                              41                                 

 2015         23     85                                                                                         
                                                   42                                 68                41                                                     