Year % of female population 1960 5.52109917908565 1961 5.52673481189646 1962 5.53283648607615 1963 5.53750640219856 1964 5.53940444549172 1965 5.53823497049615 1966 5.53380134494061 1967 5.52570820251049 1968 5.51336141139716 1969 5.49721837442765 1970 5.47866702286261 1971 5.46015973162298 1972 5.44191826585857 1973 5.41994779858197 1974 5.38988696644799 1975 5.35038333221663 1976 5.12605745632194 1977 4.77808066371527 1978 4.53334928509464 1979 4.38752168425201 1980 4.31745487061855 1981 4.29607013855869 1982 4.30264542649332 1983 4.32026511073531 1984 4.37698049152814 1985 4.49176038228462 1986 4.64592256884559 1987 4.75849681537404 1988 4.67010105359387 1989 4.60468535448255 1990 4.6820789084696 1991 4.73253017980682 1992 4.75510010587362 1993 4.75417148433367 1994 4.73990900480778 1995 4.7280949564255 1996 4.72952971834971 1997 4.74857641959156 1998 4.79687412236576 1999 4.87114237578885 2000 4.94611945686213 2001 5.00897843143075 2002 5.05703419019952 2003 5.09126472522733 2004 5.12092678657087 2005 5.1560267646059 2006 5.204908748854 2007 5.26899840928168 2008 5.34477858917409 2009 5.42692335272961 2010 5.50424662765683 2011 5.59137394135798 2012 5.70550215209721 2013 5.82155052832773 2014 5.92827408362173 2015 6.02446451801695 2016 6.07669260756689 2017 6.06198042650915 2018 5.99834357580494 2019 5.9023281277777 2020 5.77745202130642 2021 5.62976382914348 2022 5.48137330496708 2023 5.39398675300847