Year % of female population 1960 9.82051235890327 1961 10.0759350939939 1962 10.270823574316 1963 10.448859455482 1964 10.5799797091647 1965 10.6910344596743 1966 10.8378961340634 1967 10.9607152891401 1968 11.0348477581331 1969 11.114978535793 1970 11.2216216216216 1971 11.3812173157569 1972 11.6131940039395 1973 11.7951601965033 1974 11.8990031050825 1975 11.9640320289294 1976 11.8513065881487 1977 11.5512549138192 1978 11.1812943262411 1979 10.7877413461841 1980 10.3325080698236 1981 9.67124311198282 1982 8.92755144572919 1983 8.26724639456199 1984 7.64611080703035 1985 7.08475346512156 1986 6.57446260585036 1987 6.07534152901667 1988 5.61485909479078 1989 5.39340873160647 1990 5.63172043010753 1991 6.38831981994979 1992 6.93924681070102 1993 7.04957320192799 1994 7.16106876187007 1995 7.22601920729021 1996 7.1890086311991 1997 7.06018518518518 1998 6.89891961179271 1999 6.72467564177978 2000 6.68921620540973 2001 6.7118148289457 2002 6.68074386126298 2003 6.68230867821557 2004 6.66980379319516 2005 6.57910713562958 2006 6.42600793753936 2007 6.32448925182428 2008 6.3211889530348 2009 6.4272575814482 2010 6.64011889337703 2011 6.754371891545 2012 6.63899251114913 2013 6.39908809519397 2014 6.09709023399445 2015 5.81186448406365 2016 5.615261342339 2017 5.54136460937922 2018 5.58589804328199 2019 5.72492622746827 2020 5.90703078574153 2021 6.06964379232906 2022 6.1273812908729 2023 6.07736771898621