Year % of female population 1960 5.44492912470668 1961 5.39381458197847 1962 5.33816665011421 1963 5.27929451642428 1964 5.21728744732038 1965 5.15426339479792 1966 5.09006353573066 1967 5.02665260580107 1968 4.96837904986574 1969 4.90679263764127 1970 4.83828310956922 1971 4.77872363258749 1972 4.73303747820566 1973 4.69371178001136 1974 4.65115491545971 1975 4.60384509921661 1976 4.54862271786519 1977 4.49534789644013 1978 4.45456617452869 1979 4.4061761540964 1980 4.3653488952344 1981 4.34283527836235 1982 4.32295530235546 1983 4.26081004325474 1984 4.16078036576902 1985 4.06737036815729 1986 3.98702360020802 1987 3.91952546991344 1988 3.85962029187951 1989 3.80349732733155 1990 3.7497061109852 1991 3.69866678101842 1992 3.64996269119532 1993 3.6026254750037 1994 3.5570675122877 1995 3.51555863865451 1996 3.47787899448577 1997 3.4426567486661 1998 3.40784852309058 1999 3.37293393980237 2000 3.38399724080194 2001 3.44222210941334 2002 3.5088714634031 2003 3.5832990080645 2004 3.66566181970908 2005 3.7592309461474 2006 3.86477235621987 2007 3.97896790672116 2008 4.0928845459045 2009 4.19279161022748 2010 4.2666265239313 2011 4.19413850831439 2012 4.0029131902684 2013 3.83461773865761 2014 3.709458700497 2015 3.63711945033785 2016 3.60973793992546 2017 3.61516205394979 2018 3.63684657808497 2019 3.65882764058513 2020 3.66260759466735 2021 3.63893732318061 2022 3.60444131191272 2023 3.58338894281947