Year % of female population 1960 5.54959075809437 1961 5.54798744207156 1962 5.69641884326937 1963 5.7581878868794 1964 5.856301786576 1965 6.07726908243002 1966 6.27141179254723 1967 6.44969964674539 1968 6.64817709851495 1969 6.78367091444944 1970 6.7236839803354 1971 6.26968512008599 1972 5.57127058714508 1973 5.04819118450304 1974 4.72782901492836 1975 4.53702966063571 1976 4.7077793845735 1977 5.19009777600446 1978 5.66483061719572 1979 6.0596094093191 1980 6.50504160286917 1981 6.89412908491562 1982 7.16297277572018 1983 7.334547466776 1984 7.39848859831525 1985 7.36214524897622 1986 7.16580988051707 1987 6.81339489688677 1988 6.27755607750011 1989 5.67617643595536 1990 5.33262218629153 1991 5.35436358490491 1992 5.78029532076548 1993 6.49577805289551 1994 7.23027586484878 1995 7.65394532690117 1996 7.72048243132078 1997 7.3420031755945 1998 6.56003566468267 1999 5.77749901915093 2000 5.0956534210884 2001 4.63277327045681 2002 4.54978836221216 2003 4.81666768479545 2004 5.34655294118966 2005 5.98605336514143 2006 6.47626505880572 2007 6.77778626036622 2008 6.97238167152399 2009 7.01082771428941 2010 7.00388023984397 2011 7.05109305446184 2012 7.1318603858286 2013 7.26878861614423 2014 7.40529488811368 2015 7.55242904297259 2016 7.69912010833334 2017 7.74629816111846 2018 7.72368677131303 2019 7.60123279703311 2020 7.36763973380773 2021 7.10669946959664 2022 7.31179545012831 2023 7.46129643216877