Year % of female population 1960 0.507701637800412 1961 0.508964015781954 1962 0.510041875516627 1963 0.512475985117013 1964 0.519017462334962 1965 0.529092299811551 1966 0.542503900551149 1967 0.559570534197866 1968 0.57633154636583 1969 0.587324293579684 1970 0.59201285862108 1971 0.606087292606634 1972 0.63375493870469 1973 0.668003847775629 1974 0.712714070428003 1975 0.767319145080652 1976 0.82530446622465 1977 0.880288666238753 1978 0.931442349124645 1979 0.987010636737775 1980 1.05900013307459 1981 1.1159138138602 1982 1.16422160826872 1983 1.23893231410044 1984 1.32677684041615 1985 1.42050814940287 1986 1.51718691159869 1987 1.61552205207854 1988 1.71567903833947 1989 1.8184227157606 1990 1.92238052728679 1991 2.02508777492155 1992 2.1223618052519 1993 2.20962024806558 1994 2.29032246690738 1995 2.36438194193213 1996 2.42952387004466 1997 2.49020247456087 1998 2.55153152440082 1999 2.61881376801765 2000 2.69228686544451 2001 2.76135296058599 2002 2.81877542886054 2003 2.87728667735265 2004 2.94507745875204 2005 3.02260462179615 2006 3.11056602302483 2007 3.19553682100497 2008 3.27039086324013 2009 3.34446683065912 2010 3.42613353390274 2011 3.49802330507632 2012 3.55561810939549 2013 3.61555066382844 2014 3.67050491740033 2015 3.72473220213113 2016 3.7987938800221 2017 3.8905640879143 2018 3.99357978255287 2019 4.11402861025687 2020 4.25078467525704 2021 4.31693274566208 2022 4.39762159356842 2023 4.56747711449972