Year % of female population 1960 1.3538832433902 1961 1.3706280759232 1962 1.38140998739905 1963 1.39509610752728 1964 1.40935555389761 1965 1.4205159875412 1966 1.41914652803612 1967 1.40326278505341 1968 1.38123429868142 1969 1.36173413754578 1970 1.35332105998793 1971 1.36376436837321 1972 1.38414862212441 1973 1.39835832979497 1974 1.40780924056824 1975 1.41350125342893 1976 1.41433020530086 1977 1.40738763800134 1978 1.39332289586576 1979 1.3719553527046 1980 1.35192492115145 1981 1.34079678168377 1982 1.33492832377906 1983 1.33416989582545 1984 1.34147088719869 1985 1.35427081360763 1986 1.36781145598621 1987 1.38181171903632 1988 1.39629483976499 1989 1.41154836140505 1990 1.42807982747494 1991 1.44687310362912 1992 1.46810662389085 1993 1.49100619311054 1994 1.51544537561051 1995 1.54239084427235 1996 1.57155940273998 1997 1.60230547209667 1998 1.63415311783018 1999 1.6658471137844 2000 1.69748851104023 2001 1.7282311214378 2002 1.75889871475328 2003 1.78985985532176 2004 1.8195763122021 2005 1.84951371623538 2006 1.88104944088263 2007 1.91467014882627 2008 1.95033961564769 2009 1.98658086366515 2010 2.02051098191144 2011 2.05055715345066 2012 2.07759065007906 2013 2.10112670026915 2014 2.1167793631552 2015 2.1369470336937 2016 2.17648127092326 2017 2.23611935955445 2018 2.31781370154229 2019 2.42532010928293 2020 2.52957547454107 2021 2.59511198783774 2022 2.62049822597796 2023 2.74803189780895