Year % of female population 1960 1.23559924537828 1961 1.24652456172056 1962 1.25670564386542 1963 1.26631452820042 1964 1.27490372182908 1965 1.28203878973168 1966 1.28764981920745 1967 1.29165983690338 1968 1.29431276447488 1969 1.29573528339653 1970 1.2959958137264 1971 1.29624527345432 1972 1.29638578705824 1973 1.2961231778916 1974 1.29610508136138 1975 1.29633983551207 1976 1.29687004124418 1977 1.29653500778213 1978 1.294786271978 1979 1.29243981773354 1980 1.28940197712799 1981 1.2859964202209 1982 1.28195526825533 1983 1.27659023203816 1984 1.27033406948919 1985 1.26340504676102 1986 1.25581182161081 1987 1.24757756797856 1988 1.23880044500314 1989 1.22970397568468 1990 1.22050395297686 1991 1.2108855095857 1992 1.20045607319869 1993 1.19016150409352 1994 1.17880466459557 1995 1.16655256445206 1996 1.15471082303764 1997 1.14311625058231 1998 1.13044165749869 1999 1.11805135245928 2000 1.10697318153736 2001 1.09700612325302 2002 1.08779869834731 2003 1.07884652102208 2004 1.07034838494259 2005 1.06215496921453 2006 1.0550586932056 2007 1.04970552247191 2008 1.04564692602779 2009 1.04168827045766 2010 1.03768313013998 2011 1.03396325218079 2012 1.03146057120769 2013 1.03230135753833 2014 1.03758484330143 2015 1.04667894141578 2016 1.05663981111735 2017 1.06639132528562 2018 1.06472748584952 2019 1.04299287827866 2020 1.01866481391462 2021 1.00073765996268 2022 0.984715126914335 2023 0.980524726667331