Year % of female population 1960 15.5875287424318 1961 15.8899048766583 1962 16.1079080704578 1963 16.2420500960516 1964 16.3062544444821 1965 16.2728354968882 1966 16.1252069391285 1967 15.9788053152295 1968 15.867967003876 1969 15.698603563294 1970 15.4822958127379 1971 15.2539066938349 1972 14.9567879106449 1973 14.5970993341239 1974 14.2587375341405 1975 13.9280566412101 1976 13.5835817671203 1977 13.2477071666261 1978 12.9140220987907 1979 12.5914137151178 1980 12.3771632930765 1981 12.3130884819274 1982 12.3787014113793 1983 12.5522102395576 1984 12.7854486384816 1985 13.004551084884 1986 13.1926880447869 1987 13.3028938527098 1988 13.3087152906135 1989 13.26173472598 1990 13.1614474346925 1991 13.00453352237 1992 12.8265454821889 1993 12.6493226422927 1994 12.4633024697694 1995 12.2898420732293 1996 12.1525077574623 1997 11.998681838154 1998 11.809651056072 1999 11.6174625597661 2000 11.4218370833058 2001 11.2253673949043 2002 11.0263349254325 2003 10.8263322110175 2004 10.6413527910723 2005 10.4755189333458 2006 10.3260430025533 2007 10.2139210296454 2008 10.1599987252911 2009 10.1500711744175 2010 10.1571072655646 2011 10.1948443493796 2012 10.2581523252421 2013 10.3104471121741 2014 10.3315124114083 2015 10.3154277027809 2016 10.2337292537274 2017 10.0907162472525 2018 9.93835398235901 2019 9.80259178273392 2020 9.70104254012978 2021 9.62714188394666 2022 9.54638005633852 2023 9.4322912148696