Year % of female population 1960 3.36725754766738 1961 3.32509917717433 1962 3.29050952239072 1963 3.26505863621649 1964 3.2507807573829 1965 3.25608336751712 1966 3.28653509345184 1967 3.34147958361683 1968 3.41633816565138 1969 3.50040609540468 1970 3.58222978903929 1971 3.65988539853772 1972 3.73569968954144 1973 3.80465444774126 1974 3.84934084224845 1975 3.85763263574202 1976 3.8350422649847 1977 3.78475214649863 1978 3.69764201490739 1979 3.57807241987816 1980 3.44421907690955 1981 3.29845968255953 1982 3.14545644930489 1983 3.01044065694201 1984 2.91888674606104 1985 2.87238057883305 1986 2.86111592198977 1987 2.87642975443799 1988 2.90834497060523 1989 2.94707517174792 1990 2.98812972270728 1991 3.03344257650847 1992 3.08669026829583 1993 3.15425267775608 1994 3.2232156062872 1995 3.27851132878243 1996 3.32731619946429 1997 3.37294279265894 1998 3.41035307798982 1999 3.45027387283987 2000 3.50078408632556 2001 3.55012854257537 2002 3.59250097858242 2003 3.62709829292013 2004 3.65337727094115 2005 3.67468204235192 2006 3.69403594698698 2007 3.71100531276773 2008 3.72905920920104 2009 3.75138682097757 2010 3.77597818877587 2011 3.80400621061147 2012 3.83532415689752 2013 3.8665927822916 2014 3.89735571393403 2015 3.93189278153392 2016 3.97342841810639 2017 4.02597876768889 2018 4.09433261638159 2019 4.18063292872943 2020 4.27991430598614 2021 4.3856369334647 2022 4.49787579028912 2023 4.61471880133474