Year % of female population 1960 0.402246603320091 1961 0.38926717775344 1962 0.397816001550229 1963 0.402741699591801 1964 0.406546549057314 1965 0.410492591109331 1966 0.414623144033554 1967 0.418887692066912 1968 0.414453742897288 1969 0.396404349413033 1970 0.35743722406744 1971 0.317397965196213 1972 0.314424905483116 1973 0.343878954607978 1974 0.38465073854356 1975 0.423230499945301 1976 0.455907944973433 1977 0.483738691406751 1978 0.50009927529038 1979 0.508953250811201 1980 0.520330124436891 1981 0.532043803436868 1982 0.541335366517809 1983 0.549017547546496 1984 0.555932821827838 1985 0.562594091540071 1986 0.566705798597851 1987 0.565020585492346 1988 0.55701006835234 1989 0.540015028720139 1990 0.511352434776894 1991 0.473580948514986 1992 0.443158285166754 1993 0.429020091063459 1994 0.427812961635781 1995 0.43886521993132 1996 0.456031036506795 1997 0.473181842833125 1998 0.489344020765668 1999 0.506098093718753 2000 0.520853110562623 2001 0.53106004539557 2002 0.537006770954938 2003 0.542527178353581 2004 0.553603375232368 2005 0.573979591836735 2006 0.603722911129965 2007 0.63765154234901 2008 0.667666264654432 2009 0.690958467649244 2010 0.705094306363476 2011 0.719271497764917 2012 0.739504915532674 2013 0.761110367318482 2014 0.786635430778327 2015 0.818289850641762 2016 0.852331599901504 2017 0.878701972374691 2018 0.891248560382687 2019 0.890977755152778 2020 0.889705606248357 2021 0.902885698067206 2022 0.942589017811634 2023 1.01519011659021