Year % of female population 1960 16.7894716219965 1961 16.8651689126898 1962 16.9464547249536 1963 17.0355222889762 1964 17.1292617970101 1965 17.2294192412444 1966 17.3412378965052 1967 17.4533561303002 1968 17.5553866581778 1969 17.6482331101309 1970 17.7266224088264 1971 17.8006748230336 1972 17.8605147237872 1973 17.8855621796266 1974 17.8814873579524 1975 17.8595721809332 1976 17.8266736198276 1977 17.7831569504912 1978 17.6662720908124 1979 17.546840435594 1980 17.5431112919625 1981 17.6053232885184 1982 17.6875206119705 1983 17.7914722920077 1984 17.8709220430203 1985 17.941321228306 1986 18.0363653726479 1987 18.132119986437 1988 18.2112503886149 1989 18.2578734263747 1990 18.2484747593438 1991 18.2183850626885 1992 18.2191028332969 1993 18.1815832812404 1994 17.975428612834 1995 17.966566443308 1996 18.2845811749609 1997 18.5438184569151 1998 18.614619960062 1999 18.5780894710264 2000 18.4652239887719 2001 18.2931074568528 2002 18.1862174886345 2003 18.1808783460258 2004 18.1984561448293 2005 18.1952194575184 2006 18.204305878982 2007 18.2325673405376 2008 18.276323925592 2009 18.3482238399743 2010 18.430988696911 2011 18.5003820737591 2012 18.5686353534957 2013 18.6067408227814 2014 18.6046677508073 2015 18.5840058522014 2016 18.5250933793969 2017 18.452365540322 2018 18.4044849535125 2019 18.3600034154056 2020 18.2970416483581 2021 18.2282419740738 2022 18.1486728871342 2023 18.0484598289157