Year % of female population 1960 2.04349785680318 1961 2.09963552333073 1962 2.14469178515248 1963 2.19112234742912 1964 2.2367648274108 1965 2.2753902010675 1966 2.32809224057339 1967 2.38849736419648 1968 2.44874096085087 1969 2.52515613873037 1970 2.62130635049969 1971 2.70426504005375 1972 2.78746018254857 1973 2.88884065849563 1974 2.96808845119615 1975 3.03915894073161 1976 3.10939590046589 1977 3.17459058297597 1978 3.23885434461764 1979 3.2877627195274 1980 3.30256701863028 1981 3.31814344813193 1982 3.35598726156081 1983 3.39469037758408 1984 3.45206843418663 1985 3.52932007169263 1986 3.57852635353139 1987 3.59840321122662 1988 3.62051139820129 1989 3.6139984669908 1990 3.47086947820292 1991 3.15774643158848 1992 2.77434177814748 1993 2.38950774917428 1994 2.17222195574986 1995 2.25899068650147 1996 2.58737312908261 1997 3.02613609026971 1998 3.47579993189747 1999 3.79885368050749 2000 3.93769709811406 2001 3.96838034761148 2002 3.94173216701359 2003 3.89534544180342 2004 3.85016222069384 2005 3.83650857935617 2006 3.83816172394218 2007 3.827875117135 2008 3.79037678737594 2009 3.72449006002339 2010 3.63123214592916 2011 3.53233019430146 2012 3.45277405739249 2013 3.41930575585347 2014 3.44369195142264 2015 3.53212320996759 2016 3.67691217009273 2017 3.8443371936516 2018 4.0581334427604 2019 4.30365063801057 2020 4.50971124841477 2021 4.722727649362 2022 5.00233448536336 2023 5.25255753273755