Year % of female population 1960 5.88510536863573 1961 6.07731411162521 1962 6.49503295402109 1963 6.94301947632062 1964 7.31952955635594 1965 7.58458757749286 1966 7.609476550883 1967 7.38348175194541 1968 7.06929527732823 1969 6.69980408982724 1970 6.33784737821706 1971 6.21215733015495 1972 6.37315440465047 1973 6.64651626573601 1974 6.89607251221791 1975 7.08868323476236 1976 7.24928017550007 1977 7.41016203088832 1978 7.54892612268992 1979 7.6229223592639 1980 7.64295235298105 1981 7.71110528091151 1982 7.79916118861358 1983 7.72048796668264 1984 7.49685865404284 1985 7.17673209618211 1986 6.9316657941727 1987 6.84726478265804 1988 6.69271180377771 1989 6.420986883198 1990 6.07574924388232 1991 5.7286439023058 1992 5.5045871559633 1993 5.39901798993541 1994 5.29884854813991 1995 5.21215899388798 1996 5.23938022872833 1997 5.34921180506413 1998 5.43613299218997 1999 5.47299649235548 2000 5.41560115109067 2001 5.34739445844499 2002 5.40645894447528 2003 5.52471323201302 2004 5.63281158362549 2005 5.77505435345274 2006 5.92241368233042 2007 5.96544708966027 2008 5.91206912923749 2009 5.82457771968631 2010 5.68327146823045 2011 5.53707519300946 2012 5.46285714285714 2013 5.43869122862999 2014 5.39288022732539 2015 5.34319720066351 2016 5.25087304539836 2017 5.16992067789752 2018 5.25057417113244 2019 5.39353079312173 2020 5.47760762785322 2021 5.50782615672946 2022 5.50869869363195 2023 5.46586937249787