Year % of female population 1960 1.38539421167506 1961 1.38483578973749 1962 1.39431191168296 1963 1.39862318587208 1964 1.39840917957301 1965 1.39915297283729 1966 1.40362359988141 1967 1.41000231906263 1968 1.41306838489882 1969 1.41350395669178 1970 1.41273825904768 1971 1.40065521215303 1972 1.38047434131816 1973 1.36856759166422 1974 1.36782071299304 1975 1.37644169583006 1976 1.39620873410497 1977 1.41828648722263 1978 1.44127600578094 1979 1.47277046125906 1980 1.49431722813603 1981 1.50995314558587 1982 1.54076483566127 1983 1.57362959694337 1984 1.61078553696868 1985 1.65644364784683 1986 1.69931632083194 1987 1.74227741140241 1988 1.78568861660793 1989 1.8202001899107 1990 1.8464818839915 1991 1.87387221899002 1992 1.90101561601751 1993 1.92902992227209 1994 1.9575294348592 1995 1.97491983785815 1996 1.97837654612954 1997 1.97260372452039 1998 1.95629702703349 1999 1.92626756152718 2000 1.88688883264786 2001 1.84516528848605 2002 1.80001670560253 2003 1.74385170539974 2004 1.67941539349636 2005 1.62159958225991 2006 1.57197195496142 2007 1.53263068390737 2008 1.52329182317773 2009 1.55101786907701 2010 1.60233631882964 2011 1.66843869065786 2012 1.74639216822979 2013 1.82824098789124 2014 1.9102654681464 2015 1.9942205018456 2016 2.08307001262421 2017 2.17850004092766 2018 2.27619270655213 2019 2.37073365592919 2020 2.45398584724559 2021 2.51912570779679 2022 2.56511387210445 2023 2.59326007503746