Year % of female population 1960 0.715824018486176 1961 0.735302889911358 1962 0.757387827573681 1963 0.780583025042687 1964 0.802795141418766 1965 0.823925010973453 1966 0.843801779854324 1967 0.86204274617576 1968 0.879934077236018 1969 0.8995391458615 1970 0.92128762275963 1971 0.945150593438144 1972 0.970936893025827 1973 0.996890312616864 1974 1.02115407003914 1975 1.04322962625738 1976 1.06286417925115 1977 1.07895606494337 1978 1.09256068162491 1979 1.10597991456849 1980 1.11911166074243 1981 1.13153002057829 1982 1.14366425889829 1983 1.15445806362113 1984 1.16224614157519 1985 1.16651356083725 1986 1.16719638414482 1987 1.16432870920627 1988 1.15862684543409 1989 1.15114225489781 1990 1.1430377274102 1991 1.13474874890918 1992 1.12560967365943 1993 1.11487520365252 1994 1.10283427932652 1995 1.08995800115685 1996 1.0765005891918 1997 1.06210386892654 1998 1.04633836854825 1999 1.03015300228607 2000 1.01467136763168 2001 0.999698995446612 2002 0.984901337504412 2003 0.97096506456179 2004 0.958550062146926 2005 0.948130523370878 2006 0.940300577130988 2007 0.93562846058232 2008 0.933934946627297 2009 0.933333417907153 2010 0.932650376499081 2011 0.932203825669201 2012 0.932392369335624 2013 0.934178155317272 2014 0.938664595976014 2015 0.945583579457323 2016 0.952294839507648 2017 0.953833960649476 2018 0.940416374561354 2019 0.915846413305986 2020 0.891103125506611 2021 0.868215703788986 2022 0.852068998955305 2023 0.851523704913095