Year % of female population 1960 40.425215168037624 1961 40.24503930077706 1962 40.35940603792548 1963 40.92064345784584 1964 41.41018129837116 1965 41.61105835671666 1966 41.67121109380201 1967 41.52122429405284 1968 41.34683385744051 1969 41.24953019401896 1970 41.091538466112596 1971 40.94961541473735 1972 40.70904928083138 1973 40.463054443959194 1974 40.39329284339312 1975 40.349305174272274 1976 40.26385830731333 1977 39.80988451570435 1978 38.77741481586114 1979 37.690193307766556 1980 36.77540028057924 1981 35.94787782261468 1982 35.27999516047026 1983 34.529576249130066 1984 33.65290392844607 1985 32.83807710286592 1986 32.12477808056768 1987 31.570699677405795 1988 31.08159762703357 1989 30.66925623007842 1990 30.4234803522114 1991 30.190805760437502 1992 29.891655314686894 1993 29.580046450696273 1994 29.203150897012964 1995 28.752519721565267 1996 28.235324430565324 1997 27.62216218896277 1998 27.009505723868788 1999 26.431014428775473 2000 25.82450694030978 2001 25.157982591142428 2002 24.405730276279662 2003 23.66302120161402 2004 22.954028139630683 2005 22.229435435443296 2006 21.637491735827922 2007 21.241742184183437 2008 20.93481167965758 2009 20.69073117922021 2010 20.490478123078248 2011 20.327101492284548 2012 20.229159752762307 2013 20.17198822686205 2014 20.128443477007192 2015 20.064432239747784 2016 19.99880305635027 2017 19.974819669395234 2018 19.90667308238816 2019 19.766752357984135 2020 19.557789481612403 2021 19.27407465658895 2022 18.948568537269775 2023 18.594565778688363