Year % of female population 1960 6.96449730109273 1961 6.90878822395514 1962 6.77701707253661 1963 6.79814286322784 1964 6.854247791316 1965 6.89896330426197 1966 7.08944666747504 1967 7.20381027981742 1968 7.13895820336868 1969 6.98628037096651 1970 6.72367033298177 1971 6.38661710037175 1972 6.11688407399219 1973 5.82236842105263 1974 5.51343900758098 1975 5.34832594514722 1976 5.24958819737879 1977 5.1501993166287 1978 5.15244874110273 1979 5.193019566367 1980 5.21546728479612 1981 5.17102545250849 1982 5.06944687401602 1983 5.02822679617097 1984 5.14327958881926 1985 5.26632454432844 1986 5.33537671965215 1987 5.32489026408577 1988 5.11206520157183 1989 4.90159946930051 1990 5.12887658523811 1991 5.58229431159283 1992 5.974449372607 1993 6.53692989706214 1994 6.95163272145065 1995 6.82305134835611 1996 6.59417361595827 1997 6.58385093167702 1998 6.56470246312577 1999 6.52134620250877 2000 6.46495898690459 2001 6.49653637701446 2002 6.63601696425389 2003 6.70182841068917 2004 6.70435627081021 2005 6.80202351654362 2006 6.94140243286046 2007 7.0134618580688 2008 7.05006233186799 2009 7.076723858854 2010 7.15676572924315 2011 7.24902380652475 2012 7.25335487077535 2013 7.23556432469094 2014 7.2336235808129 2015 7.12116098548768 2016 6.88091663858338 2017 6.70095203110172 2018 6.64485352577824 2019 6.67542466088232 2020 6.65770828243342 2021 6.67808219178082 2022 6.74662668665667 2023 6.65545704677469