Year % of female population 1960 1.52978699061354 1961 1.52505143976574 1962 1.51357454311188 1963 1.49916778886739 1964 1.48607867457977 1965 1.47554734302433 1966 1.46857225046928 1967 1.46505514106604 1968 1.46311041982915 1969 1.46113477695152 1970 1.45840647218069 1971 1.45604895940119 1972 1.45332710197137 1973 1.44970974972346 1974 1.44751808480312 1975 1.44711326129732 1976 1.44865136192198 1977 1.45136488020348 1978 1.448715383853 1979 1.44235255959389 1980 1.43850534177695 1981 1.43627209036329 1982 1.43394192116973 1983 1.43068950337674 1984 1.42558231393058 1985 1.42034947840324 1986 1.41636629216648 1987 1.41250622376041 1988 1.40934442781067 1989 1.40765888167493 1990 1.40627757305308 1991 1.40647496864404 1992 1.41015445684939 1993 1.41286148518485 1994 1.4032070529617 1995 1.39764106744983 1996 1.40842578700749 1997 1.42151871770036 1998 1.42976026152982 1999 1.43435015638966 2000 1.43902959477774 2001 1.44313226579236 2002 1.44714221373808 2003 1.45216950369308 2004 1.45585671097355 2005 1.45709642162506 2006 1.45689840061781 2007 1.45547302097234 2008 1.45362857239722 2009 1.45237654372457 2010 1.45080911030368 2011 1.44713593636159 2012 1.4401944140308 2013 1.4247809598846 2014 1.40115067037679 2015 1.37310995979133 2016 1.34359005675932 2017 1.31827376779916 2018 1.30278528449674 2019 1.29663575596589 2020 1.29228437362866 2021 1.28627260336676 2022 1.28014157409888 2023 1.27638032517567