Year % of female population 1960 16.7361503031186 1961 17.1069015763677 1962 17.4027312548312 1963 17.584928399856 1964 17.6663236471146 1965 17.6728948123585 1966 17.684521955777 1967 17.6910869333008 1968 17.6434868657791 1969 17.5453600418765 1970 17.388561359236 1971 17.1729280388169 1972 16.9318189799889 1973 16.719458891225 1974 16.5782890085386 1975 16.4307593745621 1976 16.1721301798434 1977 15.9097820249872 1978 15.696572219091 1979 15.4584681769148 1980 15.1827948872786 1981 14.8879192494241 1982 14.5644073921767 1983 14.2097559144762 1984 13.8368853644579 1985 13.448402357882 1986 13.1005920166679 1987 13.0313465111707 1988 13.1893576615625 1989 13.2974543076836 1990 13.2902740327334 1991 13.2165744337985 1992 13.1190420111815 1993 13.0222260383191 1994 12.9868555075908 1995 13.0240920532183 1996 13.1903221602152 1997 13.4531143854389 1998 13.7271816723887 1999 13.996015206339 2000 14.2251973676759 2001 14.3479968578162 2002 14.3130111192816 2003 14.1640361078806 2004 13.9526297226998 2005 13.6971871553895 2006 13.4173360691522 2007 13.176618492568 2008 13.0009622776413 2009 12.8596944896164 2010 12.750932904849 2011 12.6743972986415 2012 12.6017924807041 2013 12.5327161317472 2014 12.503493376558 2015 12.5218878937305 2016 12.5892545934372 2017 12.6962235433773 2018 12.7950098681806 2019 12.8388862652878 2020 12.8096642306651 2021 12.7040904363723 2022 12.5794673736549 2023 12.4636148324926