Year % of female population 1960 0.3613536856992281 1961 0.3571098473156744 1962 0.3538368396440118 1963 0.35071725739278176 1964 0.34801597738687573 1965 0.3456414637310841 1966 0.3436327839486327 1967 0.34220435180991404 1968 0.3412716462098739 1969 0.3405291717505326 1970 0.33975553832497357 1971 0.33750609485850924 1972 0.3354389544026337 1973 0.3355399611913327 1974 0.3365737441590241 1975 0.3380758525395582 1976 0.3415628733705436 1977 0.3468050943984322 1978 0.3524224759314879 1979 0.3583819946192343 1980 0.3632387042056208 1981 0.3673395295489092 1982 0.37208023974510207 1983 0.3766666388397871 1984 0.3808588564763895 1985 0.3856526086233769 1986 0.39065673101721604 1987 0.3976471078175972 1988 0.4044048879794782 1989 0.40777466948760344 1990 0.4105313073828027 1991 0.4141450116082419 1992 0.41722343391797445 1993 0.4189953723954413 1994 0.42104358546615295 1995 0.4233542683499043 1996 0.42497877698497727 1997 0.42791797089648625 1998 0.4332928679938911 1999 0.44117178157351244 2000 0.45025790328507 2001 0.4588718217418089 2002 0.46750879055134 2003 0.4760600870972745 2004 0.4846688956002843 2005 0.4931051856880872 2006 0.5008958451402924 2007 0.5076465745377057 2008 0.5131496713262365 2009 0.5180176381529672 2010 0.5230366367642346 2011 0.5283461902387018 2012 0.5344953785296858 2013 0.5413217054465288 2014 0.5477743748986383 2015 0.5530597294098009 2016 0.5583188128162779 2017 0.5654262762967964 2018 0.573093874376759 2019 0.5806243651428374 2020 0.5867363069161237 2021 0.5899924019425244 2022 0.5934792107116257 2023 0.5997880151044692