Year % of female population 1960 14.5070009096169 1961 14.718850324483 1962 14.9333599156086 1963 15.1488400309604 1964 15.3637002595693 1965 15.5786522321796 1966 15.801344750743 1967 16.0229709233322 1968 16.2294522189207 1969 16.4197053494404 1970 16.5894834530407 1971 16.7139331262493 1972 16.7824863151812 1973 16.8064859940154 1974 16.7752424735101 1975 16.6900068771233 1976 16.5901995628042 1977 16.496482914567 1978 16.4049255659549 1979 16.3307078155513 1980 16.2787718166282 1981 16.2248158362183 1982 16.1651135114913 1983 16.094297069035 1984 16.0108912589266 1985 15.9234154768873 1986 15.8227293890505 1987 15.7030887961314 1988 15.5837895634798 1989 15.4672611006871 1990 15.2545939784334 1991 14.9608777007684 1992 14.6645547367067 1993 14.3653310887277 1994 14.0941034218535 1995 13.8647343222682 1996 13.7031208693322 1997 13.6411684641001 1998 13.6691443535722 1999 13.7628814103873 2000 13.9045188200185 2001 14.0238744356225 2002 14.0321656240422 2003 13.8895187464457 2004 13.6056962833858 2005 13.2291160350293 2006 12.828058402412 2007 12.4776534226044 2008 12.1910400307746 2009 11.9902632879599 2010 11.8558753988306 2011 11.7902257723433 2012 11.7875817934583 2013 12.0039560592926 2014 12.3553201932317 2015 12.5357110397022 2016 12.5305110369154 2017 12.3580333621153 2018 12.0541238339404 2019 11.7638286326148 2020 11.4402742591618 2021 11.0783974212215 2022 10.7768617621018 2023 10.5249292712054