Year % of female population 1960 7.0798822839965 1961 7.07120223364008 1962 7.0578499903052 1963 7.03129769565325 1964 7.011821686155 1965 7.01070159129224 1966 6.96275753782336 1967 6.88772316790538 1968 6.82903710253424 1969 6.72940894422844 1970 6.45087308096192 1971 5.9457096510483 1972 5.32296962500394 1973 4.7019941600296 1974 4.31486131217688 1975 4.40354943744036 1976 4.90456228943788 1977 5.54722180546514 1978 6.19503058845708 1979 6.6401525261963 1980 6.74273629641537 1981 6.61139552016552 1982 6.37493574867314 1983 6.11711859725886 1984 5.86933914468726 1985 5.6567456386505 1986 5.49546869722495 1987 5.38445196448444 1988 5.27622987241839 1989 5.12963508644475 1990 4.95243881144866 1991 4.77858460772708 1992 4.64300175959577 1993 4.59515791284341 1994 4.85792820486866 1995 5.38900670199723 1996 5.89492498023879 1997 6.24852594768825 1998 6.46456409478608 1999 6.4281331258539 2000 6.02654612969982 2001 5.61297299956603 2002 5.52560701951502 2003 5.60807769911619 2004 5.64721672728415 2005 5.78101764719379 2006 5.94191003297221 2007 5.92652102455948 2008 5.85087312392218 2009 5.83721094540552 2010 5.90234792666335 2011 6.06198533653972 2012 6.25637388667902 2013 6.43296486385699 2014 6.6213178972468 2015 6.80235246722518 2016 6.95799621806084 2017 7.12328381161001 2018 7.32177238237055 2019 7.50936698351493 2020 7.65239118301505 2021 7.74123165418277 2022 7.7768425505849 2023 7.77250001649682