Year % of female population 1960 13.740620607409246 1961 13.880137892910794 1962 13.867593332875577 1963 13.636547321393612 1964 13.12758975486055 1965 12.447836032600003 1966 11.795017287548689 1967 11.490015465100775 1968 11.812202074562316 1969 12.447951952280492 1970 13.085768255182957 1971 13.693797511431406 1972 13.914403399478765 1973 13.699378675743661 1974 13.505663907598743 1975 13.43213105708763 1976 13.38179018671373 1977 13.333196796328737 1978 13.150336791169112 1979 12.779785907946682 1980 12.264301637174551 1981 11.664181013187509 1982 11.057668678360738 1983 10.472594273075627 1984 10.020043847384121 1985 9.757577477831278 1986 9.64461427841253 1987 9.671505036522106 1988 9.711480871577644 1989 9.673483845590017 1990 9.630306681220583 1991 9.619553242684951 1992 9.633266152664476 1993 9.676014202802905 1994 9.745239009206896 1995 9.805252685693443 1996 9.705629406572013 1997 9.379943580464909 1998 8.997683185404574 1999 8.601937036303935 2000 8.149827396187849 2001 7.770305759752505 2002 7.518667392033761 2003 7.301072217305433 2004 7.100860329224327 2005 6.940558204820049 2006 6.807717264999096 2007 6.679164536603178 2008 6.570348566587981 2009 6.488722140791427 2010 6.4153384754031135 2011 6.36227945459891 2012 6.3506750293021845 2013 6.3701740804773985 2014 6.406162272518865 2015 6.437226786035239 2016 6.456081590802603 2017 6.486056341036854 2018 6.506729229514193 2019 6.504132123879649 2020 6.487179708913705 2021 6.468495481616021 2022 6.435897150843472 2023 6.33375675057834