Year % of female population 1960 0.76462342296419 1961 0.755950015454586 1962 0.766984454178476 1963 0.799276884577722 1964 0.831414057267931 1965 0.86407550298122 1966 0.908595453129866 1967 0.930065768391498 1968 0.919845268082044 1969 0.908306730464401 1970 0.899195799885425 1971 0.891219808055942 1972 0.883606914329463 1973 0.879025118955405 1974 0.871539674770218 1975 0.850867885242948 1976 0.821822570277964 1977 0.821045684819389 1978 0.844135881539171 1979 0.861095247160353 1980 0.862394323671498 1981 0.845833567420114 1982 0.850499084077909 1983 0.882636273786141 1984 0.91185219190401 1985 0.929111746401194 1986 0.924867240897426 1987 0.915726524995402 1988 0.925557889955142 1989 0.955027569426543 1990 1.00645889508999 1991 1.07681353137375 1992 1.15719793229121 1993 1.24254838947084 1994 1.3283940437503 1995 1.40297255183987 1996 1.45736323890093 1997 1.48750263533931 1998 1.49024739033018 1999 1.47883937159346 2000 1.4617101045454 2001 1.440354617888 2002 1.42110658020812 2003 1.40444149083458 2004 1.38870519772517 2005 1.38091084154912 2006 1.38555400331791 2007 1.40295547282688 2008 1.43320234172146 2009 1.46676974754072 2010 1.49529054832606 2011 1.5145407428736 2012 1.51723279959775 2013 1.50417226903694 2014 1.48068353311213 2015 1.44862634597967 2016 1.41462928845292 2017 1.38409327113944 2018 1.36156526400429 2019 1.35409940342525 2020 1.36757981110304 2021 1.40140933744351 2022 1.45770455108388 2023 1.52908101462639