Year % of female population 1960 13.4542769990429 1961 13.3071185766467 1962 13.1401875537909 1963 13.0389255720545 1964 13.0546211262625 1965 13.1523592917502 1966 13.3138055400626 1967 13.5183194650996 1968 13.6914037433061 1969 13.7944238091577 1970 13.8603671213477 1971 13.9270050068196 1972 14.0094980558857 1973 14.1008555789582 1974 14.1997023950242 1975 14.306506913295 1976 14.3884818716041 1977 14.4126198887014 1978 14.3872364769717 1979 14.3387917926542 1980 14.3015786098927 1981 14.3068763710091 1982 14.3389846535546 1983 14.4012916481062 1984 14.4682067812089 1985 14.5146414592163 1986 14.5217481985399 1987 14.4400302318734 1988 14.2994834487491 1989 14.1824886959395 1990 14.1543568442638 1991 14.2688696192591 1992 14.5043331605654 1993 14.7856480178554 1994 15.0375100578021 1995 15.2075909312992 1996 15.320100584575 1997 15.3702995693571 1998 15.3838016032001 1999 15.4075672917714 2000 15.4299300680723 2001 15.4319219389433 2002 15.4260740379527 2003 15.4142325905844 2004 15.3866151604548 2005 15.3437555376757 2006 15.2830883112414 2007 15.2164759950794 2008 15.1375860275898 2009 15.0406944029454 2010 14.9305856310755 2011 14.7978856518491 2012 14.6433075798438 2013 14.4851214188279 2014 14.3003713642142 2015 14.0845826499407 2016 13.8586736013152 2017 13.6139381877538 2018 13.3567050863818 2019 13.1252090376482 2020 12.939497501401 2021 12.7993957983173 2022 12.7084867015622 2023 12.671455703041