Year % of female population 1960 24.448093514664325 1961 24.488206630189936 1962 24.405038804906336 1963 24.288984620135835 1964 24.184055484919703 1965 24.078995802300295 1966 23.96174581505188 1967 23.840417137117722 1968 23.71028198915628 1969 23.568729694586384 1970 23.396243143222897 1971 23.212848044649935 1972 23.033318355633224 1973 22.846438114437856 1974 22.661389940239715 1975 22.47122518996373 1976 22.271328464009738 1977 22.048984713936356 1978 21.78343683478057 1979 21.484245563503347 1980 21.192479992377866 1981 20.912814589976374 1982 20.612975812860398 1983 20.30121067945858 1984 19.998345724308567 1985 19.71535038940901 1986 19.44510148708846 1987 19.182526162896778 1988 18.94184241529235 1989 18.703093648088807 1990 18.456596430107798 1991 18.186308837422974 1992 17.91970282795209 1993 17.681810375534003 1994 17.430067465401407 1995 17.160601657353478 1996 16.8935009759454 1997 16.64368869150739 1998 16.411917900010167 1999 16.195980951522955 2000 15.985804226929837 2001 15.776650713770037 2002 15.57167035983568 2003 15.373449630454035 2004 15.179860388925055 2005 15.006392384617405 2006 14.86384716617346 2007 14.754244764120147 2008 14.687378247014705 2009 14.657999908253926 2010 14.642692493144505 2011 14.626598377960294 2012 14.596322137235513 2013 14.56147037305397 2014 14.521264679508166 2015 14.480802343872066 2016 14.45129763270799 2017 14.43875312451187 2018 14.417084567121552 2019 14.37447246842124 2020 14.315009187883087 2021 14.242527161468198 2022 14.129739260679768 2023 13.998034397205865