Year % of female population 1960 3.9885497428979564 1961 3.9737510965960925 1962 3.944274124943258 1963 3.9011188877492615 1964 3.8652617346110505 1965 3.840469539699867 1966 3.8272362390720067 1967 3.8172164326363727 1968 3.7760969792291625 1969 3.7150106688257774 1970 3.6800438461132323 1971 3.6673229092342274 1972 3.65961232797197 1973 3.673908648447005 1974 3.7140441432591205 1975 3.7535393369029904 1976 3.7762249604330806 1977 3.8035691963064644 1978 3.845312676794463 1979 3.8743941955597294 1980 3.895664721675464 1981 3.9263204141400982 1982 3.9590607024616373 1983 3.9981378232770255 1984 4.0423628794663875 1985 4.079499924195005 1986 4.107944027222295 1987 4.113942291916987 1988 4.083473426103853 1989 4.026943866188858 1990 3.973507636633044 1991 3.9509051379779883 1992 3.9487587234163937 1993 3.950776888197122 1994 3.970423374575326 1995 3.996521043961946 1996 4.034686131835943 1997 4.131482656768631 1998 4.300588677400605 1999 4.51819910837563 2000 4.784465502595648 2001 5.051812360358912 2002 5.316419819394882 2003 5.558986303067144 2004 5.755577412335748 2005 5.925994971646382 2006 6.045689317087299 2007 6.127960279873954 2008 6.158151380622958 2009 6.061195125158152 2010 5.861221169806304 2011 5.656531154237577 2012 5.6028618318444705 2013 5.863774367862125 2014 6.299220816035661 2015 6.745925901116306 2016 7.1888129908470555 2017 7.429587399133959 2018 7.444128682124686 2019 7.468666717324781 2020 7.5505620680088885 2021 7.642629758399619 2022 7.727334914084038 2023 7.723008542679233