Year % of female population 1960 12.8042596348884 1961 12.4707396354519 1962 12.1364540243941 1963 11.7982198252266 1964 11.5042460496831 1965 11.3942714638076 1966 11.425567486513 1967 11.4720613106959 1968 11.5168386851635 1969 11.5647850248611 1970 11.6107000569152 1971 11.6547677136033 1972 11.7028353620166 1973 11.7516307747297 1974 11.8025440130823 1975 11.8585146699847 1976 11.9192050118816 1977 11.9828207216237 1978 12.0494277091282 1979 12.1190206614004 1980 12.1906765666475 1981 12.262887780679 1982 12.332748838456 1983 12.3947506108645 1984 12.4419872294035 1985 12.4720522730818 1986 12.4839787068828 1987 12.4796450000219 1988 12.4641087758803 1989 12.4407375224854 1990 12.4099636240996 1991 12.3738447122624 1992 12.3320646745165 1993 12.2859810807519 1994 12.2454179206675 1995 12.2084357852933 1996 12.1638591047131 1997 12.0370645892722 1998 11.8640625625712 1999 11.7341721070874 2000 11.6359664698906 2001 11.5272464551541 2002 11.4079582606766 2003 11.3548321808895 2004 11.3561894753742 2005 11.3370738188776 2006 11.2591227362861 2007 11.1383304701227 2008 11.0256667572477 2009 10.9621745595797 2010 10.9623904946841 2011 11.0174750349054 2012 11.1186321177811 2013 11.2162425111373 2014 11.2441363436538 2015 11.1866494522289 2016 11.0507961254128 2017 10.8487815695548 2018 10.6068555438965 2019 10.3628549089277 2020 10.1405085426898 2021 9.94158087330487 2022 9.76533164241282 2023 9.61047307120386