Year % of female population 1960 17.4775650927651 1961 17.8062360211733 1962 18.0284211029363 1963 18.1169213708979 1964 18.0591554483068 1965 17.8620250267525 1966 17.547514826285 1967 17.1503603332719 1968 16.7157348115642 1969 16.2867256361641 1970 15.8973957132159 1971 15.5721656114676 1972 15.3081281365315 1973 15.1015180530326 1974 14.9526662155263 1975 14.8455254113141 1976 14.7701081821528 1977 14.7271334014482 1978 14.6996031850694 1979 14.6753655834291 1980 14.642131084047 1981 14.6069324894416 1982 14.6088433369867 1983 14.6738040033007 1984 14.8022897183199 1985 14.9902793163069 1986 15.2307732068366 1987 15.467296039278 1988 15.6154803016245 1989 15.6509897916768 1990 15.5216006519959 1991 15.2123958761428 1992 14.8243665783277 1993 14.4241415407377 1994 13.9869628771719 1995 13.5317204725023 1996 13.1030126505159 1997 12.6506821528061 1998 12.1542914937398 1999 11.6664650251957 2000 11.2258651175846 2001 10.8337375746288 2002 10.4838555755298 2003 10.1974212974548 2004 9.98795279065043 2005 9.85501383896419 2006 9.81488778715769 2007 9.86923940116574 2008 9.99712244805941 2009 10.1837319757209 2010 10.422198736218 2011 10.6957722533065 2012 10.987402015424 2013 11.2622781195865 2014 11.4786613888883 2015 11.6033750567032 2016 11.6187971056252 2017 11.523795253842 2018 11.3333457456347 2019 11.0730735925443 2020 10.7703133027284 2021 10.4506682628541 2022 10.1291067767344 2023 9.81329004109134