Year % of female population 1960 5.07016385593545 1961 4.98143858290157 1962 4.87208719373273 1963 4.75500458049302 1964 4.6495543490267 1965 4.59073783882906 1966 4.57968192679153 1967 4.59200228431996 1968 4.61344657528984 1969 4.62284530404189 1970 4.60737447479073 1971 4.54434731242711 1972 4.4181866399505 1973 4.2556108897273 1974 4.08933295106 1975 3.93095360921377 1976 3.78095674547932 1977 3.63937938259138 1978 3.51094402880405 1979 3.40293290979602 1980 3.31954134612813 1981 3.25967684212706 1982 3.22407200892146 1983 3.2087663738691 1984 3.21237437401953 1985 3.2324354393256 1986 3.26815619538372 1987 3.32073278036626 1988 3.38161145449703 1989 3.4392833468502 1990 3.48872346671662 1991 3.52845787827221 1992 3.55514096887373 1993 3.57212480768826 1994 3.58781264770979 1995 3.60730128135774 1996 3.63156235797745 1997 3.65934836829154 1998 3.68608639019946 1999 3.70675155451542 2000 3.71882606485168 2001 3.7251140262183 2002 3.73076895959441 2003 3.73535283904956 2004 3.73419459006059 2005 3.72567741935484 2006 3.71172616795603 2007 3.69634468873608 2008 3.68240339572876 2009 3.67154323954792 2010 3.66511705715479 2011 3.66224446764236 2012 3.65932151795217 2013 3.65798655811352 2014 3.68117799089451 2015 3.73155178998796 2016 3.79455675584893 2017 3.87180521589532 2018 3.95938779944155 2019 4.05637744033851 2020 4.15947503826489 2021 4.22838997534119 2022 4.31377953554254 2023 4.44957691584598