Year % of female population 1960 8.41486523853674 1961 8.46669650373916 1962 8.54632839960785 1963 8.76260801052268 1964 9.16349716852124 1965 9.66107301153278 1966 10.1832960689668 1967 10.6935627489483 1968 11.165698791354 1969 11.6043552054109 1970 12.0477957405824 1971 12.4915501610263 1972 12.8900453108173 1973 13.2169744798752 1974 13.4333752944549 1975 13.4886412575366 1976 13.4053397137449 1977 13.2214274489645 1978 12.9694113334836 1979 12.7596509002961 1980 12.6434162209016 1981 12.5691025985048 1982 12.5283556683864 1983 12.5319848376281 1984 12.5527192660081 1985 12.5540486450801 1986 12.5176835622112 1987 12.4375599744766 1988 12.321915186019 1989 12.1944268910909 1990 12.0728778315345 1991 11.9640358808898 1992 11.8837500717287 1993 11.8581454029333 1994 11.9132217213531 1995 12.0620472046002 1996 12.2917297213902 1997 12.5630686604008 1998 12.8235449018061 1999 13.0163803403227 2000 13.0672913138245 2001 12.9159512902491 2002 12.5438811477941 2003 11.9938507259779 2004 11.3521223033707 2005 10.7053403468642 2006 10.1424328546249 2007 9.70199884784705 2008 9.35583639648549 2009 9.07171593035722 2010 8.81648523353294 2011 8.53778107064124 2012 8.23330263142886 2013 7.92338731529397 2014 7.61783855794702 2015 7.35453592532259 2016 7.20457057663403 2017 7.25765467052644 2018 7.54656702211374 2019 7.99746054779612 2020 8.50714959621358 2021 9.0158721310688 2022 9.47865984385686 2023 9.85786005593806