Year % of female population 1960 4.2406909352627 1961 4.25357483317445 1962 4.43006754192912 1963 4.62137456269044 1964 4.76696693336317 1965 4.90304914150385 1966 5.09798898424491 1967 5.37340291524204 1968 5.63912429378531 1969 5.88153744844557 1970 6.12227534924875 1971 6.27017444096938 1972 6.27069775105033 1973 6.16212350254385 1974 5.95996725469109 1975 5.71922918187879 1976 5.57430576267994 1977 5.58011135408427 1978 5.68176595842461 1979 5.81968949550586 1980 6.01521742380077 1981 6.23970804219146 1982 6.32798838139838 1983 6.33226979298064 1984 6.39851301115242 1985 6.4558433429704 1986 6.5367142729891 1987 6.66979527189535 1988 6.7261010287828 1989 6.7006420202998 1990 6.77053387370458 1991 6.89960929923245 1992 6.87909306037092 1993 6.79337779177565 1994 6.65576005453306 1995 6.38757247803593 1996 6.08440971238072 1997 5.77789061560458 1998 5.49038258296343 1999 5.34171557031015 2000 5.35002330036763 2001 5.43688822178604 2002 5.53195278314847 2003 5.58429432990991 2004 5.53621954578461 2005 5.41635091991006 2006 5.36343259686199 2007 5.36978276787894 2008 5.37260022244789 2009 5.37723203599981 2010 5.37357989883075 2011 5.39439604426654 2012 5.42671232070787 2013 5.40155104542347 2014 5.331868339595 2015 5.2443158917945 2016 5.22441225362147 2017 5.27351623076376 2018 5.28656769385462 2019 5.20661157024793 2020 5.04184840268773 2021 4.81800225733634 2022 4.71401781528364 2023 4.75410986132872