Year % of female population 1960 3.78230640426934 1961 4.22756090095896 1962 4.6906890270884 1963 4.9975750590787 1964 5.18974000273826 1965 5.2876332208482 1966 5.30395755705535 1967 5.2667071880664 1968 5.21904605234489 1969 5.17472316966175 1970 5.13762798153683 1971 5.11098527066479 1972 5.05964005051439 1973 4.93662643390682 1974 4.70225089180665 1975 4.33506163869036 1976 3.86297684120149 1977 3.37656328865459 1978 3.00951533191571 1979 2.87661364206307 1980 3.02772549361398 1981 3.4397737589459 1982 4.00958966759014 1983 4.59417355824386 1984 5.09909919889814 1985 5.49117518630326 1986 5.77285652904662 1987 5.97950964356259 1988 6.14415786204505 1989 6.27293977681849 1990 6.37116989138161 1991 6.4718683554792 1992 6.58190867169734 1993 6.68927002345893 1994 6.79601186450966 1995 6.88855514470943 1996 6.95057850173795 1997 6.96899387497301 1998 6.95090113836745 1999 6.90239188585522 2000 6.81577534270071 2001 6.69048156531607 2002 6.53584310164571 2003 6.36791188290552 2004 6.21388789543065 2005 6.11156811185998 2006 6.08776074599592 2007 6.15660341547251 2008 6.34439488925964 2009 6.66319235775675 2010 7.02653898018467 2011 7.25961744893552 2012 7.44769238178035 2013 7.63668770147484 2014 7.70743296851062 2015 7.67326631434235 2016 7.64344776805739 2017 7.5177498297221 2018 7.26899273055493 2019 7.0280382711524 2020 6.83837838141219 2021 6.74760728465562 2022 6.72499491037405 2023 6.73305520888153