37    1861    52.8      71
      38    1863    62.6      80
      39    1865    55.4      71
      40    1867    58.0      72
      41    1869    54.8      74
      42    1871    51.3      74
      43    1873    55.7      73
      44    1875    59.2      71
      45    1877    57.8      73
      46    1879    61.0      76
      47    1881    58.4      69
      48    1883    47.3      65
      49    1885    50.0      67
      50    1887    42.2      53
      51    1889    71.3      83
      52    1891    38.8      43
      53    1893    40.9      47
      54    1895    53.3      70
      55    1897    69.1      79
      56    1899    68.3      75
      57    1901    59.5      67
      58    1903    79.0      90
      59    1905    64.7      74
      60    1907    50.9      57
      61    1909    64.9      80
      62    1911    53.0      60
      63    1913    50.2      62
      64    1915    48.0      58
      65    1917    34.1      45
      66    1919    36.4      46
      67    1921    49.6      60
      68    1923    43.3      59
      69    1925    35.6      45
      70    1927    38.7      53
      71    1929    48.7      59
      72    1931    39.2      59
      73    1933    57.8      73
      74    1935    48.1      60
      75    1937    50.7      63
      76    1939    55.1      71
      77    1941    36.8      43
      78    1943    40.4      50
      79    1945    39.0      47
      80    1947    42.7      45
      81    1949    38.2      51
      82    1951    41.3      60
      83    1953    34.7      46
      84    1955    31.3      42
      85    1957    32.9      50
      86    1959    39.2      54
      87    1961    36.8      49
      88    1963    39.1      52
      89    1965    32.6      48
      90    1967    25.5      35
      91    1969    19.3      29
      92    1971    22.6      33
      93    1973    24.0      35