Year % of female population 1960 2.37064154649761 1961 2.35510251979783 1962 2.28755000606134 1963 2.20603369992937 1964 2.15459544890093 1965 2.14822425011583 1966 2.17543605353433 1967 2.2284996861268 1968 2.30947160930869 1969 2.41831405516892 1970 2.54817479852715 1971 2.71502092636722 1972 2.9227773965498 1973 3.12634088200238 1974 3.27006305928522 1975 3.34152566405142 1976 3.33797321936205 1977 3.25249899493761 1978 3.13405585984539 1979 3.05047786953698 1980 3.04194647651136 1981 3.10072181866171 1982 3.19950361062365 1983 3.30312009761199 1984 3.37176575339365 1985 3.40397863728103 1986 3.41919725475211 1987 3.42731389457638 1988 3.43491523653965 1989 3.43748952666093 1990 3.41252860518335 1991 3.36833269574325 1992 3.31571466642978 1993 3.25056899712643 1994 3.18821928889216 1995 3.14248626766503 1996 3.12975591196441 1997 3.15062391845616 1998 3.19450517417286 1999 3.27806864456079 2000 3.36400647329042 2001 3.37216032412097 2002 3.34904624204601 2003 3.33035755900459 2004 3.27606087325925 2005 3.23642542783809 2006 3.26018076319879 2007 3.29400733881571 2008 3.29540033115371 2009 3.28250645083573 2010 3.25747636067502 2011 3.21868217727233 2012 3.18611058167137 2013 3.23841410057311 2014 3.38963155278131 2015 3.53062413190555 2016 3.65896039280319 2017 3.82877853547933 2018 3.9934271913936 2019 4.14608412066568 2020 4.32798549584374 2021 4.50958555948786 2022 4.67176843477163 2023 4.84116678765324