Year,Total,Male,Female
1908,10.55,10.22,10.83
1909,9.97,9.73,10.17
1910,10.16,9.8,10.5
1911,10.19,9.86,10.49
1912,10.36,10.06,10.63
1913,10.3,9.86,10.71
1914,10.07,9.71,10.4
1915,10.37,9.91,10.8
1916,10.57,10.03,11.07
1917,10.03,9.6,10.42
1918,9.28,8.99,9.53
1919,9.96,9.51,10.36
1920,10.3,9.79,10.77
1921,10.56,9.99,11.08
1922,10.59,10.03,11.1
1923,10.54,9.96,11.05
1924,10.83,10.14,11.45
1925,10.74,10.04,11.37
1926,11.26,10.47,11.96
1927,10.82,10.14,11.42
1928,11.44,10.61,12.18
1929,11.28,10.52,11.93
1930,11.71,10.85,12.47
1931,11.14,10.43,11.76
1932,11.53,10.72,12.25
1933,11.58,10.8,12.26
1934,11.59,10.8,12.28
1935,11.89,11.04,12.62
1936,11.97,10.86,12.98
1937,11.24,10.17,12.23
1938,10.36,9.28,11.38
1939,10.72,9.68,11.66
1940,11.67,10.54,12.67
1941,10.3,9.05,11.46
1942,11.74,10.71,12.59
1943,12.82,11.78,13.66
1944,12.71,11.63,13.6
1945,13.31,12.16,14.23
1946,12.6,11.3,13.69
1947,12.91,11.79,13.81
1948,13.78,12.57,14.73
1949,13.2,12.01,14.15
1950,13.43,12.27,14.34
1951,12.49,11.41,13.36
1952,13.92,12.77,14.8
1953,13.6,12.5,14.45
1954,14.03,12.88,14.93
1955,13.88,12.75,14.76
1956,13.25,12.1,14.18
1957,13.34,12.15,14.29
1958,14.37,13.2,15.27
1959,14.2,12.97,15.18
1960,14.2,12.92,15.21
1961,14.65,13.38,15.65
1962,14.19,12.85,15.27
1963,14.22,12.89,15.29
1964,14.65,13.2,15.82
1965,14.71,13.3,15.84
1966,14.78,13.31,15.96
1967,14.81,13.33,16.02
1968,14.78,13.29,16
1969,14.34,12.83,15.59
1970,14.99,13.53,16.16
1971,14.46,12.89,15.77
1972,15.23,13.67,16.49
1973,14.92,13.38,16.18
1974,15.09,13.5,16.39
1975,15.19,13.62,16.49
1976,15.31,13.7,16.63
1977,15.62,14,16.94
1978,15.77,14.13,17.11
1979,16.11,14.4,17.5
1980,16.32,14.6,17.71
1981,16.4,14.64,17.82
1982,16.77,15.01,18.19
1983,16.58,14.83,17.99
1984,16.89,15.04,18.38
1985,16.75,14.89,18.25
1986,17.02,15.19,18.49
1987,17.28,15.39,18.81
1988,17.31,15.41,18.87
1989,17.4,15.46,19
1990,17.4,15.43,19.04
1991,17.57,15.57,19.23
1992,17.92,15.88,19.62
1993,17.9,15.84,19.63
1994,18.16,16.09,19.9
1995,18.2,16.1,19.98
1996,18.28,16.16,20.08
1997,18.44,16.3,20.26
1998,18.37,16.22,20.22
1999,18.32,16.17,20.2
2000,18.74,16.61,20.56
2001,18.97,16.81,20.83
2002,19.01,16.86,20.87
2003,18.93,16.83,20.76
2004,19.37,17.22,21.23
2005,19.25,17.13,21.11
2006,19.83,17.7,21.67
2007,19.79,17.64,21.67
2008,20.02,17.94,21.83
2009,20.24,18.12,22.1
2010,20.54,18.4,22.41
2011,20.67,18.55,22.53
2012,20.59,18.51,22.43
2013,21.01,18.92,22.84
2014,21.11,19.06,22.92
2015,20.83,18.79,22.65
2016,21.21,19.14,23.05
2017,21.15,19.12,22.97
2018,21.25,19.22,23.07
2019,21.57,19.52,23.4
2020,20.41,18.35,22.31