Year % of female population 1960 47.0689435453039 1961 46.6392899721817 1962 46.2002920209568 1963 45.8307876434304 1964 45.5227781316868 1965 45.275483850397 1966 45.0599501712862 1967 45.0238810980727 1968 45.1953640398225 1969 45.4204973569159 1970 45.7219309504645 1971 46.0908344928467 1972 46.5115789030069 1973 46.966637158349 1974 47.471719149399 1975 48.0256528325559 1976 48.6141172458122 1977 49.2200389495274 1978 49.8091407490905 1979 50.3712164477441 1980 50.9001358695652 1981 51.4229355106525 1982 52.0885515969444 1983 52.872477511854 1984 53.6131357024721 1985 54.2591140233258 1986 54.7354981324796 1987 54.9448598190108 1988 54.9757411718686 1989 54.9904748731555 1990 55.0116009280743 1991 55.0130541779615 1992 55.0322924543505 1993 55.0769079802762 1994 55.0662074986661 1995 54.9934076471293 1996 54.8738729131862 1997 54.7184286350114 1998 54.5434018630987 1999 54.3626620253744 2000 54.1857804659803 2001 54.0023566378633 2002 53.9235020166232 2003 53.966882649388 2004 54.0459815721025 2005 54.1951270361166 2006 54.4911813498647 2007 54.8214740515555 2008 55.0858254890682 2009 55.3496307749727 2010 55.5879150501602 2011 55.7799125723111 2012 55.9997304540294 2013 56.2512188362808 2014 56.4656683655063 2015 56.6408372748314 2016 56.7803614997759 2017 56.8877111234798 2018 56.9781438074121 2019 57.0716757100589 2020 57.1866793927566 2021 57.3276686238207 2022 57.3816360417221 2023 57.3737592883875