Year % of female population 1960 16.0379274117367 1961 15.923757012792 1962 15.9137013852007 1963 15.9285092294826 1964 15.9636754689927 1965 16.0720620280748 1966 16.1996892386347 1967 16.2943810200406 1968 16.366697726121 1969 16.4483590499166 1970 16.5658494320005 1971 16.6801748112833 1972 16.7407395753852 1973 16.7892309609872 1974 16.8533773924322 1975 16.9199889682223 1976 17.0419402507579 1977 17.2215687018556 1978 17.4030180568799 1979 17.5314382331185 1980 17.5888063017268 1981 17.5525654960459 1982 17.4276450816503 1983 17.2933328419268 1984 17.2218813009555 1985 17.2510914975419 1986 17.269643663901 1987 17.2277550788787 1988 17.2038183947872 1989 17.1573322229162 1990 17.0566400879846 1991 16.9387601821695 1992 16.8329567418942 1993 16.7749865873452 1994 16.7286018472055 1995 16.6786377373321 1996 16.6223683053679 1997 16.5349077013284 1998 16.4581528564042 1999 16.4136342945886 2000 16.3763345373938 2001 16.3693306115393 2002 16.3951214355559 2003 16.4271464944746 2004 16.4813825281184 2005 16.5448027746144 2006 16.5664392274777 2007 16.5424130915863 2008 16.5669610356725 2009 16.6693897044038 2010 16.7746966530459 2011 17.0202070352258 2012 17.3899613899614 2013 17.6679225831789 2014 17.9128504701392 2015 18.1272777905583 2016 18.3897562673259 2017 18.5707740004403 2018 18.3870207879395 2019 17.9776590351547 2020 17.6659924877203 2021 17.6055571157561 2022 17.7693353276726 2023 18.0853646830304