Year % of female population 1960 18.6596057205294 1961 18.6418682564654 1962 18.5909794042978 1963 18.4999799257153 1964 18.366759501462 1965 18.1808229081519 1966 17.9342135143235 1967 17.6306842271892 1968 17.2751148196249 1969 16.8735457433333 1970 16.4430636730633 1971 16.0124606691267 1972 15.5944601022652 1973 15.2033664386181 1974 14.8617905182354 1975 14.5815277951058 1976 14.367473674017 1977 14.210467307284 1978 14.0983140137522 1979 14.0236097038451 1980 13.9628335371474 1981 13.8961258676601 1982 13.8170583961595 1983 13.712061390893 1984 13.5788206184945 1985 13.4296195818034 1986 13.2743074291234 1987 13.1153905944397 1988 12.9589269839568 1989 12.8093908599564 1990 12.6647019594794 1991 12.5258900505977 1992 12.3843304978117 1993 12.2314292681809 1994 12.0607305778835 1995 11.8679882599714 1996 11.6539273055745 1997 11.4203341561106 1998 11.1737973262433 1999 10.9243858463187 2000 10.6784892225477 2001 10.4357130431676 2002 10.1970245894716 2003 9.96073012142804 2004 9.72063977818383 2005 9.47555725316414 2006 9.22270859810872 2007 8.96532985761287 2008 8.71385066174274 2009 8.47540938427103 2010 8.25636300179514 2011 8.06137619417927 2012 7.89056473743819 2013 7.74008378134959 2014 7.60564037472933 2015 7.48454508863866 2016 7.37585370559112 2017 7.2680772491038 2018 7.15880364662628 2019 7.06006396265947 2020 6.97239839750766 2021 6.88688528229827 2022 6.79855166190133 2023 6.70005854863327