Year % of female population 1960 7.92672487587742 1961 7.71944524066765 1962 7.70594015645316 1963 7.81495677125257 1964 7.99669203046899 1965 8.28847926993609 1966 8.69422019332404 1967 9.16093596499062 1968 9.65076519362977 1969 10.1392968824031 1970 10.5127023937486 1971 10.7214870404743 1972 10.8656755690041 1973 11.0263122000013 1974 11.2191478243586 1975 11.2428842504744 1976 11.135555139487 1977 11.1265565281716 1978 11.2321941443595 1979 11.4709591589187 1980 11.6444821772068 1981 11.6321284482102 1982 11.5400640005555 1983 11.3813279645846 1984 11.1609137543903 1985 10.9185563145851 1986 10.6964747297514 1987 10.4953937552188 1988 10.3147610588796 1989 10.1774090414133 1990 10.1393382420689 1991 10.2038764107232 1992 10.3342967220426 1993 10.5336836770343 1994 10.7906011144297 1995 11.0827944689377 1996 11.3715894077776 1997 11.6099513226086 1998 11.7772547845442 1999 11.8764333161461 2000 11.8496601020224 2001 11.7483480291433 2002 11.6838246537751 2003 11.6495731907844 2004 11.6371462347556 2005 11.6372947130483 2006 11.6478696617728 2007 11.6820714738563 2008 11.7378885226508 2009 11.7899235250291 2010 11.7694501142888 2011 11.6106565499278 2012 11.3312920958611 2013 10.9859783277967 2014 10.6207994984911 2015 10.2688755229937 2016 9.93768238324799 2017 9.62985656986101 2018 9.35595829567441 2019 9.10841354772871 2020 8.90984823913006 2021 8.80030989865705 2022 8.75287940209027 2023 8.70940899193287