Year % of female population 1960 1.63781879169946 1961 1.62005925283619 1962 1.59932182228339 1963 1.57682817758197 1964 1.5536862939139 1965 1.5299263628885 1966 1.50553481365036 1967 1.48087839808704 1968 1.45744974527568 1969 1.43391173352675 1970 1.41010283296255 1971 1.39005937106442 1972 1.37485618153516 1973 1.36403259677995 1974 1.35386365868278 1975 1.34255675842656 1976 1.32998584667468 1977 1.31833680073971 1978 1.3099962736919 1979 1.29700666020785 1980 1.28323306811566 1981 1.27355969996636 1982 1.26324153364351 1983 1.23705634766905 1984 1.19984528743893 1985 1.17012239002174 1986 1.1488076075382 1987 1.13315657926281 1988 1.11976919881495 1989 1.10643198762133 1990 1.09189035768676 1991 1.07654012419418 1992 1.06138135111031 1993 1.04605210709934 1994 1.0308296282455 1995 1.01718670366385 1996 1.00493324652733 1997 0.992899613230964 1998 0.980468607021626 1999 0.968651609327915 2000 0.978247732357788 2001 1.01133165248095 2002 1.04931142314888 2003 1.08713955229487 2004 1.1169706473683 2005 1.13136811648778 2006 1.12697314490699 2007 1.10753875784798 2008 1.08180130359145 2009 1.06178819295519 2010 1.06165466830795 2011 1.07068258640672 2012 1.07909276437685 2013 1.08469973996287 2014 1.07410126635856 2015 1.04034228390583 2016 0.985883951525166 2017 0.924905748604495 2018 0.87604472271535 2019 0.85810083984192 2020 0.877913966825199 2021 0.928555078813706 2022 0.99730398586568 2023 1.06720874094778