Year % of female population 1960 3.13486302106065 1961 3.20165612940707 1962 3.26912591108886 1963 3.34255922840095 1964 3.44514680633084 1965 3.57608043100211 1966 3.71423371766906 1967 3.8520114253632 1968 3.98442943354583 1969 4.09351797113487 1970 4.19918170969936 1971 4.29771542937359 1972 4.38683854969782 1973 4.46176496415663 1974 4.50773628785661 1975 4.51240310632193 1976 4.52638592297178 1977 4.56708968480989 1978 4.60116187699762 1979 4.6516896091822 1980 4.71498692474918 1981 4.75019244850829 1982 4.7576171716468 1983 4.75750515115295 1984 4.71682997055139 1985 4.52403736777454 1986 4.12691476684326 1987 3.62870456164486 1988 3.1224301808144 1989 2.80197499856221 1990 2.85793536015597 1991 3.2334818745121 1992 3.75238180519979 1993 4.28917097930086 1994 4.6661111267644 1995 4.81411452601759 1996 4.83234638491206 1997 4.78231921337907 1998 4.71177821688842 1999 4.64588619643604 2000 4.61663238652613 2001 4.60131085933529 2002 4.56585476856883 2003 4.50421139668947 2004 4.41647064939982 2005 4.29385357769453 2006 4.15559967264805 2007 4.0395801669465 2008 3.97400829448579 2009 3.97532241100609 2010 4.05802264647068 2011 4.2105152842416 2012 4.39631153784683 2013 4.6466894297706 2014 4.93488767094258 2015 5.14961862998658 2016 5.3962344581531 2017 5.74738457035291 2018 6.03026038626323 2019 6.19516289505226 2020 6.33786837145199 2021 6.43369485381647 2022 6.39709088942202 2023 6.31107155076153