Year % of female population 1960 23.535335373694384 1961 23.64789251602 1962 23.655820555310335 1963 23.6421693389578 1964 23.647204552241462 1965 23.663102797751165 1966 23.679608356757136 1967 23.68885011880003 1968 23.675111192871228 1969 23.63607803099049 1970 23.553395441172924 1971 23.43706846147014 1972 23.2905083361349 1973 23.09970542778522 1974 22.864060449174048 1975 22.581888615682672 1976 22.26042271852077 1977 21.912233043957688 1978 21.529351453101437 1979 21.106749703800737 1980 20.69023639754105 1981 20.29063657889005 1982 19.90241969724839 1983 19.53568866668501 1984 19.17447352069072 1985 18.82834705669432 1986 18.498229389252106 1987 18.18766891631282 1988 17.92000113273576 1989 17.681228062149117 1990 17.463117780695264 1991 17.2259814683896 1992 16.998561084794616 1993 16.813058314732153 1994 16.612228385243775 1995 16.3958382871121 1996 16.18327188749451 1997 15.990488988638544 1998 15.823905893501042 1999 15.681951765723712 2000 15.552991742582781 2001 15.424478802068311 2002 15.299251116383392 2003 15.17436734140491 2004 15.045030360318533 2005 14.924122255739107 2006 14.821322114896597 2007 14.738250581891826 2008 14.688027613330519 2009 14.668897713881938 2010 14.655135694404615 2011 14.638322973029116 2012 14.602225335215905 2013 14.557601572318553 2014 14.504582150258258 2015 14.447021511422367 2016 14.396357026157073 2017 14.357388695327455 2018 14.30592398738143 2019 14.235116900770961 2020 14.151317677950495 2021 14.058708966956576 2022 13.9450049599497 2023 13.81078912049032