Year % of female population 1960 6.01040524629205 1961 5.63710104014444 1962 5.47075222224219 1963 5.52098486058982 1964 5.80344495920264 1965 6.40422084496351 1966 7.18072925865714 1967 7.91347470435961 1968 8.58032752718982 1969 9.13228951335237 1970 9.45872728031194 1971 9.65183042566586 1972 9.85935388079593 1973 10.0773202270887 1974 10.3205445055054 1975 10.586618752614 1976 10.8451614869197 1977 11.0780258971044 1978 11.245929141374 1979 11.3129747938352 1980 11.2872233959055 1981 11.1724558794902 1982 10.9825061098925 1983 10.7549446888128 1984 10.5287094496245 1985 10.3295763354661 1986 10.1820553958233 1987 10.0930828579819 1988 10.0602154645543 1989 10.0577632157935 1990 10.0485442441838 1991 10.0358948838858 1992 10.0243142782033 1993 10.0066439783243 1994 9.99929839213605 1995 10.0122069343119 1996 10.0356397683729 1997 10.0805586050047 1998 10.1747437271181 1999 10.3264075663654 2000 10.5245721145941 2001 10.7676018311413 2002 11.0150953301462 2003 11.1993616007002 2004 11.290060027227 2005 11.3261595896441 2006 11.3312913051085 2007 11.2830391643534 2008 11.1944283584809 2009 11.0694748041695 2010 10.8779723616417 2011 10.5953185797193 2012 10.2349543552133 2013 9.80724553983883 2014 9.3338446046901 2015 8.85597007501478 2016 8.41802331852212 2017 8.06158955616953 2018 7.7832539866109 2019 7.58163156248406 2020 7.45127018364808 2021 7.38335184379886 2022 7.40046008164682 2023 7.52415883727415