Year % of female population 1960 14.492563431662466 1961 13.687558382083877 1962 13.292083346539693 1963 13.56865541073923 1964 14.154951415655905 1965 14.72228491537384 1966 15.282809171047452 1967 15.421361328739343 1968 15.0664921244953 1969 14.731105748061154 1970 14.53108569660327 1971 14.350013617510792 1972 14.182417995546027 1973 13.897491142873804 1974 13.445317421457405 1975 12.886682844474525 1976 12.276357303380967 1977 11.689272150287582 1978 11.128557920742177 1979 10.695988100386787 1980 10.453264963935204 1981 10.361298982931665 1982 10.416303624590554 1983 10.490806424809424 1984 10.486111208241743 1985 10.475375711135186 1986 10.483235863080443 1987 10.486810094386383 1988 10.497939824739204 1989 10.516795627556148 1990 10.502413414373938 1991 10.305253641434591 1992 9.869047839450188 1993 9.378667602662755 1994 8.88261214833741 1995 8.334640222391206 1996 7.873374816874077 1997 7.557396859625259 1998 7.287774300422332 1999 7.0456509799570295 2000 6.8492660474070135 2001 6.689166998972708 2002 6.550102839672733 2003 6.445247718193259 2004 6.376421157494612 2005 6.315172050195845 2006 6.269625171840598 2007 6.26515165082399 2008 6.292346107961474 2009 6.3370152536527895 2010 6.372202828794536 2011 6.395650438608182 2012 6.436161331952207 2013 6.462891662074605 2014 6.461500839870996 2015 6.445416686350887 2016 6.420275950261097 2017 6.372611304298943 2018 6.255288650352733 2019 6.068489140137772 2020 5.826952464279832 2021 5.524120343051827 2022 5.180035938462019 2023 4.888954505049446