Year % of female population 1960 4.22395124411191 1961 4.88272695611506 1962 5.55747694279705 1963 6.13108730553715 1964 6.59425062903328 1965 6.73811373919 1966 6.62818600804691 1967 6.54221248174694 1968 6.48481108317541 1969 6.43647472513113 1970 6.40288643334224 1971 6.37045464801829 1972 6.32994303983694 1973 6.26546883790962 1974 6.18295543340505 1975 6.0698898027135 1976 5.92340102851775 1977 5.77837575193248 1978 5.65017124215699 1979 5.54273977336221 1980 5.40851903929552 1981 5.23230988122929 1982 5.09214435128783 1983 5.05226510436969 1984 5.06460764749161 1985 5.13273067773419 1986 5.44486583326939 1987 5.93813010827237 1988 6.38909807262944 1989 6.80411144533125 1990 7.2025344116088 1991 7.40685343542688 1992 7.39886139083648 1993 7.34139393363178 1994 7.26459343639447 1995 7.19325635782194 1996 7.14228025519621 1997 7.10770938139054 1998 7.08177709123893 1999 7.06834240944866 2000 7.04938444106599 2001 7.02516027281846 2002 6.99828367304627 2003 6.99098838829434 2004 7.00089421662965 2005 6.99532542837842 2006 6.97478018840546 2007 6.93520024034096 2008 6.86523315100259 2009 6.77937772022432 2010 6.71913662319113 2011 6.70578381092273 2012 6.74130274337331 2013 6.77788537831104 2014 6.75879793146889 2015 6.66438701768081 2016 6.49401413430182 2017 6.30250496782366 2018 6.14794741042564 2019 6.05894756490422 2020 6.0777475270446 2021 6.17933407463928 2022 6.2769626371375 2023 6.32132247959772