Year % of female population 1960 3.77760260439594 1961 3.78161820887119 1962 3.78363975486278 1963 3.7859380826243 1964 3.79245785101975 1965 3.80081386080463 1966 3.80783048275484 1967 3.80707936110465 1968 3.81210817696768 1969 3.83727308678514 1970 3.87250151172519 1971 3.91786983965755 1972 3.97502576986239 1973 4.03767275884788 1974 4.10629627164274 1975 4.17627079698125 1976 4.24747008517235 1977 4.31844888366627 1978 4.38134126431028 1979 4.42904183741059 1980 4.43469127005578 1981 4.41174278448407 1982 4.41542703238656 1983 4.4314242110519 1984 4.42601225377889 1985 4.39843345658658 1986 4.35171617889236 1987 4.29113036989982 1988 4.219071211375 1989 4.13991197149553 1990 4.07284369324289 1991 4.04295213576088 1992 4.00277419994055 1993 3.93986153346203 1994 3.88787132360681 1995 3.83942751558821 1996 3.79325911534958 1997 3.75112632373847 1998 3.71330628748464 1999 3.72077820247095 2000 3.76022131366101 2001 3.78124053420203 2002 3.80168138306285 2003 3.81226664436558 2004 3.87811539599499 2005 4.01242601066286 2006 4.13960731323485 2007 4.2464537430332 2008 4.31644748425329 2009 4.34077949872925 2010 4.32753726587821 2011 4.2970797719734 2012 4.26842735760329 2013 4.25829645225512 2014 4.27370921445809 2015 4.31148310516823 2016 4.35775441726016 2017 4.43479852177771 2018 4.53496097637901 2019 4.61699588686335 2020 4.65741919887954 2021 4.65369354828849 2022 4.65087238377922 2023 4.6835250452006