               1948   1   1                                                                1946   3   15                     1947                                         1948   1   1                         1949   1   1                      1950   4                1950                                  5   1         5   15   2   2          1951   1   1                  2   4        1952   10                            1953   11   1                                             1954   3                               1956   3   1                  2                                                                                                                                                                                                                                                                                                                                                                                                                                                           