Year % of female population 1960 3.2484808022758083 1961 3.2449153745321704 1962 3.2428085517477117 1963 3.2418478319060817 1964 3.2427295771810822 1965 3.24501579925182 1966 3.248858893056213 1967 3.255134456816824 1968 3.2629484103594226 1969 3.2710806023759487 1970 3.2782330986070263 1971 3.2723680373264736 1972 3.268332771636989 1973 3.2787581530502785 1974 3.289375129769415 1975 3.2960526221941246 1976 3.305162967680592 1977 3.319533174773935 1978 3.3325329885333073 1979 3.3437815955560595 1980 3.3556885934261347 1981 3.3675106466064118 1982 3.3753007156604324 1983 3.376909655739101 1984 3.376469481886457 1985 3.3779822407738784 1986 3.3797247881910946 1987 3.383337460501645 1988 3.3824031280272737 1989 3.37502592089603 1990 3.368811691195202 1991 3.3639347050913933 1992 3.358098480106591 1993 3.3497121002566708 1994 3.3390232434757925 1995 3.331126766920349 1996 3.327020913396027 1997 3.3274826477558763 1998 3.3352042850505987 1999 3.3496609047032226 2000 3.3675198281241943 2001 3.384189381392363 2002 3.399465995572512 2003 3.413724212294746 2004 3.426878409418445 2005 3.439424610293655 2006 3.452711205036737 2007 3.4661293128321145 2008 3.478248487021689 2009 3.492390731486206 2010 3.5118793174106586 2011 3.535701073258399 2012 3.5630333203703337 2013 3.590636236676394 2014 3.618764239450623 2015 3.6544495128829326 2016 3.698767275539431 2017 3.7502035954484363 2018 3.809261276932762 2019 3.874820949781774 2020 3.934735672389714 2021 3.982814781327809 2022 4.032290358476343 2023 4.092162398463379