Year % of female population 1960 3.9326785864182 1961 3.91740400754264 1962 3.90223423644816 1963 3.88745508830525 1964 3.87801656861568 1965 3.87240356083086 1966 3.86875372747627 1967 3.86499570019228 1968 3.85629154251662 1969 3.83446870341366 1970 3.80816740670409 1971 3.76875430144529 1972 3.71637212585173 1973 3.65447615307024 1974 3.58404623666335 1975 3.50543407438297 1976 3.41252256336992 1977 3.31508464583509 1978 3.22273073989321 1979 3.13787897335455 1980 3.06207649571277 1981 3.01796255958582 1982 3.0077346180402 1983 3.00859161592577 1984 3.02625255316593 1985 3.06342011668059 1986 3.10764926188776 1987 3.15841669541221 1988 3.22196211959991 1989 3.28941836019622 1990 3.34657659403638 1991 3.39736845700857 1992 3.45935244046978 1993 3.53786108751062 1994 3.62334036724904 1995 3.71435790783106 1996 3.81315171803455 1997 3.91223678023612 1998 3.995463995464 1999 4.07380571657006 2000 4.1800443788816 2001 4.32951347623417 2002 4.53577851454018 2003 4.81312017305601 2004 5.12758583211564 2005 5.42504921496135 2006 5.69791728829743 2007 5.95484008832538 2008 6.18862309041413 2009 6.40453397545075 2010 6.60054839274255 2011 6.76847673064556 2012 6.89968957156268 2013 6.9937961493736 2014 7.06133728383807 2015 7.09233524517694 2016 7.08873177497378 2017 7.07602207961226 2018 7.0601632188271 2019 7.02710510380382 2020 6.98421652232582 2021 6.94564636236861 2022 6.90800690800691 2023 6.86734106423226