Year % of female population 1960 0.959887209658679 1961 0.894028179680802 1962 0.813453821308377 1963 0.731595037767852 1964 0.664630740643397 1965 0.621401059749178 1966 0.621955943289864 1967 0.659930573203262 1968 0.707351502228397 1969 0.753836617743566 1970 0.79542327156326 1971 0.832460920589941 1972 0.863673360725978 1973 0.890129905494918 1974 0.915060895746653 1975 0.938714071472581 1976 0.962459498897687 1977 0.987771413944367 1978 1.01440754609081 1979 1.04313668322725 1980 1.07332697391998 1981 1.10399846574773 1982 1.13710389437932 1983 1.17007586260834 1984 1.19275210898704 1985 1.20971899652804 1986 1.22483744307653 1987 1.23576124171746 1988 1.24782045546239 1989 1.26389646903369 1990 1.28562351403999 1991 1.31405769984022 1992 1.34760665383145 1993 1.38387293985015 1994 1.41924681511549 1995 1.44823856408964 1996 1.47252939250843 1997 1.49833138360802 1998 1.52738439859097 1999 1.56144931928963 2000 1.60038071239642 2001 1.64365528549694 2002 1.69256286863969 2003 1.74180866703977 2004 1.78255477999758 2005 1.82034626065001 2006 1.85355323930001 2007 1.87161988135287 2008 1.88169941141377 2009 1.8993668407793 2010 1.92961017143949 2011 1.97311607477123 2012 2.02494290152894 2013 2.07891014910278 2014 2.13136949885682 2015 2.1777774304097 2016 2.21955388381183 2017 2.2530469359181 2018 2.27237787419534 2019 2.29607237353529 2020 2.34039631026358 2021 2.39273053238115 2022 2.46030319228412 2023 2.56697241777382