Year % of female population 1960 8.77944325481799 1961 8.48906560636183 1962 8.02554845876145 1963 7.47017119142314 1964 6.87505061138554 1965 6.4471983577891 1966 6.46217351078215 1967 6.96859504132232 1968 7.74889651790093 1969 8.56051100718604 1970 9.25728878484784 1971 9.79066182686092 1972 10.1723334885887 1973 10.4052813360731 1974 10.4443257018373 1975 10.3157079217509 1976 10.064043915828 1977 9.69564614531336 1978 9.21373492387794 1979 8.67704892244769 1980 8.18261420936622 1981 7.82750392830123 1982 7.73814496143458 1983 7.76670729768403 1984 7.68354141869476 1985 7.48960789556847 1986 7.44083012708406 1987 7.55458320310756 1988 7.61125626418812 1989 7.59123486283878 1990 7.49036895825887 1991 7.42011539419962 1992 7.31671201436319 1993 7.03204680873906 1994 6.62349131586694 1995 6.17493122190163 1996 5.87279175149406 1997 5.68563500949228 1998 5.48967376478328 1999 5.31246030737965 2000 5.15843078083742 2001 5.12404536341236 2002 5.15758891888719 2003 5.09745338726271 2004 4.94009741801555 2005 4.74093298205602 2006 4.6468619355847 2007 4.70458501069526 2008 4.79742835053644 2009 4.84957715236379 2010 4.88043848687947 2011 4.8459664708411 2012 4.76692050387873 2013 4.7673645023851 2014 4.94460575649085 2015 5.14244733807689 2016 5.26836059867734 2017 5.3735273545184 2018 5.3826893144752 2019 5.273122408437 2020 5.15038926597435 2021 5.05514111730255 2022 4.95030483119012 2023 4.97001403598316