Year % of female population 1960 10.3666903983264 1961 10.7293769918318 1962 11.0094466099272 1963 11.2352293971408 1964 11.3948788802659 1965 11.5211327266334 1966 11.6502680891051 1967 11.7977385773927 1968 11.9570984016636 1969 12.133158115102 1970 12.341439207973 1971 12.6227918611151 1972 12.9076455848659 1973 13.1008730676681 1974 13.2054282571317 1975 13.2364013987463 1976 13.2331287678053 1977 13.1090075179987 1978 12.8503548994776 1979 12.5668937755913 1980 12.3159058085657 1981 12.1099181251985 1982 11.9176477398682 1983 11.7154491231395 1984 11.6446052848686 1985 11.7368418229405 1986 11.8739989125282 1987 12.0820104392769 1988 12.3288761191767 1989 12.5619066976653 1990 12.787144741668 1991 13.0058329126329 1992 13.1734246887668 1993 13.3122177518851 1994 13.394595552133 1995 13.384803595997 1996 13.3524435765797 1997 13.2780536969345 1998 13.1180378706229 1999 12.9410587977668 2000 12.7858369918887 2001 12.6076910302524 2002 12.4062553626061 2003 12.1994770756522 2004 11.9835807765742 2005 11.753052566335 2006 11.5184228955115 2007 11.3052357550304 2008 11.1447506956741 2009 11.0586889302311 2010 11.0578557177627 2011 11.1143751211483 2012 11.184654314096 2013 11.2417659640127 2014 11.2737239361029 2015 11.2927041176765 2016 11.2954568887819 2017 11.278695569515 2018 11.2600563569949 2019 11.2472478989688 2020 11.2294425353848 2021 11.2275254761577 2022 11.2679100989252 2023 11.3229418154995