Year % of female population 1960 0.937157485122441 1961 0.935399956644267 1962 0.933558446717648 1963 0.930227702201852 1964 0.923748912283097 1965 0.915280536661383 1966 0.904892906268422 1967 0.892373476249852 1968 0.879614525560268 1969 0.864190642687546 1970 0.845688327447533 1971 0.829490469381764 1972 0.817307847251093 1973 0.806994835761362 1974 0.796470066338642 1975 0.785472064198371 1976 0.773098724778276 1977 0.763551779935275 1978 0.758285608853418 1979 0.750390567744288 1980 0.744711818358238 1981 0.743157214199482 1982 0.741184467405575 1983 0.731107000859269 1984 0.713488247057307 1985 0.696773590150604 1986 0.682003912731235 1987 0.668880444148008 1988 0.657573392129205 1989 0.648385848923899 1990 0.640307381432992 1991 0.633631260503515 1992 0.628047952150227 1993 0.622202650530144 1994 0.616629203603049 1995 0.610701342091851 1996 0.603540932959452 1997 0.596234568410288 1998 0.589140526407086 1999 0.582726071158283 2000 0.583676513505626 2001 0.595771922996655 2002 0.617186391911333 2003 0.647905640483611 2004 0.687156266542076 2005 0.732040693025534 2006 0.777726781795805 2007 0.819893310085726 2008 0.853745893645148 2009 0.872870688262178 2010 0.872342290498748 2011 0.824543409543624 2012 0.748064388884545 2013 0.68745836531666 2014 0.647342177277174 2015 0.629664343727083 2016 0.629842981846904 2017 0.638498407224479 2018 0.645253809957423 2019 0.642276306008552 2020 0.624088969751136 2021 0.590916371035566 2022 0.553425644688726 2023 0.525031669653749