Year % of female population 1960 6.30622197455497 1961 6.39252590469835 1962 6.87889775427129 1963 7.51894810080768 1964 8.16457284227144 1965 8.83813129792655 1966 9.37707259156858 1967 9.65699780220386 1968 9.84146919192306 1969 10.0049423999212 1970 10.1473615708218 1971 10.177395683704 1972 10.1247051470052 1973 10.011546220088 1974 9.80085775140875 1975 9.47321115243677 1976 9.04612055952443 1977 8.57440069065007 1978 8.12618999113621 1979 7.73148505117474 1980 7.3789567546529 1981 7.08252953791712 1982 6.84241271936245 1983 6.63964470465237 1984 6.49222869922519 1985 6.43091833326432 1986 6.44832226848534 1987 6.54477980763811 1988 6.72980068510004 1989 6.95554889590595 1990 7.17521280944331 1991 7.38462107350861 1992 7.55678456631601 1993 7.68261233428088 1994 7.79762949088717 1995 7.8924982588356 1996 7.94224191524767 1997 8.00679529198099 1998 8.1293941361411 1999 8.22790792754064 2000 8.21919827352026 2001 8.14248259059713 2002 7.9964318503595 2003 7.74536843442524 2004 7.45766319927157 2005 7.18773373261299 2006 6.96308931678397 2007 6.76545696326383 2008 6.55504094747953 2009 6.33582084109134 2010 6.09116317823502 2011 5.81834289074509 2012 5.5625070892762 2013 5.3293074379069 2014 5.10848203667725 2015 4.92992189582432 2016 4.78777955766032 2017 4.65134972205123 2018 4.53752341261726 2019 4.46194717160127 2020 4.42876265814881 2021 4.45007605120682 2022 4.82773813148539 2023 5.08226846308865