Year % of female population 1960 1.39842082401755 1961 1.38811180258058 1962 1.37442407432807 1963 1.35975419046472 1964 1.35007247128659 1965 1.34592100905362 1966 1.34845749870695 1967 1.35964220084072 1968 1.37037785437794 1969 1.36761069698758 1970 1.35097702385753 1971 1.31949807304205 1972 1.27407486964988 1973 1.22853332459875 1974 1.2004919055641 1975 1.1972687049482 1976 1.21624364685447 1977 1.25280472216996 1978 1.30433859898109 1979 1.36308131266816 1980 1.41785472173427 1981 1.47070549063681 1982 1.52330474447613 1983 1.56935949056463 1984 1.60013634649185 1985 1.61435358673145 1986 1.61002480113257 1987 1.59718529110331 1988 1.57154251687413 1989 1.53383617369007 1990 1.49915321463905 1991 1.46645435502909 1992 1.43584509127501 1993 1.40493256118604 1994 1.37030898202488 1995 1.34431248741017 1996 1.32995624908742 1997 1.31451558855794 1998 1.29562350089906 1999 1.30574379513212 2000 1.34118571943768 2001 1.37005895474407 2002 1.39839461320763 2003 1.42624451098606 2004 1.45009603885043 2005 1.46808135210658 2006 1.47973137799307 2007 1.48122555725569 2008 1.45908331144646 2009 1.42375311411718 2010 1.39461177540369 2011 1.36926605357775 2012 1.34348217830018 2013 1.3048250083445 2014 1.25862352712623 2015 1.19782313227868 2016 1.1218388966861 2017 1.05220310988715 2018 0.997580042449043 2019 0.953449300674967 2020 0.925569300031878 2021 0.916454951990137 2022 0.914325717999566 2023 0.921686728770912