Year % of female population 1960 16.6627230725165 1961 17.2241798009619 1962 17.4343717584835 1963 17.3397219008535 1964 17.0143388654321 1965 16.609931918302 1966 16.2806768338916 1967 16.065954097274 1968 15.9250978694073 1969 15.8094882394384 1970 15.6725613886191 1971 15.4802215500648 1972 15.2014971171403 1973 14.8650823846176 1974 14.5233936942734 1975 14.206596652445 1976 13.940593011176 1977 13.7061431610241 1978 13.4927529038022 1979 13.3385410407403 1980 13.2113797478669 1981 13.0615626532303 1982 12.9152597756236 1983 12.7745087737732 1984 12.6035089141826 1985 12.4132402682464 1986 12.2662102846259 1987 12.2266451334076 1988 12.3258245330428 1989 12.5570475782109 1990 12.8803312085168 1991 13.1882344981833 1992 13.3360893889284 1993 13.281214780531 1994 13.0863231487034 1995 12.8047477237429 1996 12.4771203011958 1997 12.1407071967026 1998 11.8045140164947 1999 11.469723102213 2000 11.1562559331688 2001 10.8689257104283 2002 10.5812469109224 2003 10.2901896468225 2004 10.0347896015804 2005 9.81628077239864 2006 9.60422297012569 2007 9.42365579520035 2008 9.27344437563154 2009 9.07815181306433 2010 8.8202562018043 2011 8.57006544489042 2012 8.33747012553672 2013 8.11329000250083 2014 7.94219863729695 2015 7.84266349771451 2016 7.80166224166136 2017 7.80095301284758 2018 7.82076585251628 2019 7.83316956516592 2020 7.80692613871052 2021 7.72815253906068 2022 7.60113747223779 2023 7.4358845349885