Year % of female population 1960 6.38972656941886 1961 6.28018689724626 1962 6.1824660475912 1963 6.09395930181371 1964 6.00595118567334 1965 5.91561291321623 1966 5.82487543540121 1967 5.73245682251471 1968 5.64085111262369 1969 5.55131314089304 1970 5.46310549036954 1971 5.37884195135755 1972 5.29927768207661 1973 5.22264181449678 1974 5.14675902539147 1975 5.07263431999415 1976 5.00222842499325 1977 4.93514175973149 1978 4.87316488336517 1979 4.81432300566167 1980 4.75466411404634 1981 4.69439737850669 1982 4.63560704349161 1983 4.58045565658057 1984 4.52691168535119 1985 4.47277313533404 1986 4.41915182246676 1987 4.36678313488763 1988 4.31477568979682 1989 4.2628417022695 1990 4.21185803658599 1991 4.16146763737945 1992 4.11162669149057 1993 4.03512424358914 1994 3.97209580004444 1995 3.94232373967495 1996 3.90763406192298 1997 3.87184188492087 1998 3.83909392403103 1999 3.80928904878472 2000 3.78184093035327 2001 3.75558674681644 2002 3.72829878212067 2003 3.70191071965365 2004 3.67962214934664 2005 3.6599353248567 2006 3.64780305903696 2007 3.64361232658959 2008 3.64316492776949 2009 3.64557192996938 2010 3.64815059464693 2011 3.64737512387294 2012 3.63817566258221 2013 3.61725711494485 2014 3.57316573862931 2015 3.53080960576199 2016 3.50609680295232 2017 3.48455889367735 2018 3.46805709100573 2019 3.45698064893662 2020 3.44329929897707 2021 3.4217389240077 2022 3.40252348253616 2023 3.39847723841269