Year % of female population 1960 2.48198078452291 1961 2.56921911731085 1962 2.68746201554109 1963 2.82063759368746 1964 2.93480479584127 1965 3.01031606968814 1966 3.06222195697413 1967 3.09660953419736 1968 3.09518600619619 1969 3.03568839174611 1970 2.92024214703046 1971 2.74574582994578 1972 2.50866281192347 1973 2.25151178186133 1974 2.03712897761779 1975 1.88305468292196 1976 1.78650707063462 1977 1.75360665142891 1978 1.75497568268989 1979 1.74294694414835 1980 1.70514830250769 1981 1.64414989768937 1982 1.55919787462994 1983 1.47336018884551 1984 1.42413514154185 1985 1.42521271244688 1986 1.46997912355485 1987 1.553225314224 1988 1.66168104900462 1989 1.77659105080134 1990 1.88459938048391 1991 1.98660501035923 1992 2.08499299980193 1993 2.17147093412701 1994 2.23320583384051 1995 2.2717401677537 1996 2.28609679169479 1997 2.2722111834121 1998 2.24529369231037 1999 2.22866064571817 2000 2.22424519488142 2001 2.23428737881978 2002 2.26159570809407 2003 2.286299116312 2004 2.27571257587155 2005 2.21830979035347 2006 2.12199171841637 2007 1.99452564886345 2008 1.85233942656587 2009 1.72062115267575 2010 1.61673652065178 2011 1.54303944911244 2012 1.50584442270864 2013 1.51131673022538 2014 1.56814554337275 2015 1.70587838711781 2016 1.8940108756919 2017 2.0795214666231 2018 2.2572147225471 2019 2.41364166002872 2020 2.51404100950298 2021 2.58123883503595 2022 2.65931504060852 2023 2.74386935594007