Year % of female population 1960 12.0310642422782 1961 12.3357110290475 1962 12.7106260505345 1963 13.1301534672838 1964 13.5727031000102 1965 13.9886353169509 1966 14.2815371407686 1967 14.3776214275477 1968 14.2495410546554 1969 13.8840942461002 1970 13.3204965589921 1971 12.6208417307404 1972 11.8744752833654 1973 11.1833648067561 1974 10.5893335995642 1975 10.108721104132 1976 9.76488881770375 1977 9.55483927057891 1978 9.45960234032508 1979 9.42380528753648 1980 9.42514421383855 1981 9.47033933840066 1982 9.51570839004881 1983 9.51688064896558 1984 9.49230052680529 1985 9.48965469598705 1986 9.50620190572848 1987 9.55883666377214 1988 9.66470101077765 1989 9.74737053349455 1990 9.85538308393267 1991 10.0059417642836 1992 10.1279881788884 1993 10.2059456000409 1994 10.2094648377142 1995 10.1941464610833 1996 10.1850482664288 1997 10.1358750265034 1998 9.92833703147758 1999 9.51107754250155 2000 8.89853136319085 2001 8.17496435093953 2002 7.46784584983843 2003 6.87219538784042 2004 6.42061276636998 2005 6.05602637651596 2006 5.75397181553766 2007 5.51175640420667 2008 5.34913019440103 2009 5.27448035364259 2010 5.27988357019889 2011 5.2834380082509 2012 5.27865487542958 2013 5.31671535133261 2014 5.39772600509568 2015 5.49099005438961 2016 5.62429253250548 2017 5.8337419981187 2018 6.03633434038268 2019 6.20260648944195 2020 6.32596723646862 2021 6.41196500431744 2022 6.40130737873765 2023 6.28672623096646