Year % of female population 1960 46.6848632963887 1961 47.0277514383352 1962 47.4091031320149 1963 47.8541511416879 1964 48.0568747111003 1965 47.9694715432345 1966 47.872068667119 1967 47.7896530243101 1968 47.7222852169312 1969 47.6702891684595 1970 47.6507810599471 1971 47.6558966692794 1972 47.6646815441008 1973 47.6837552141287 1974 47.7090830240773 1975 47.7555007281087 1976 47.820621646319 1977 47.9575713466391 1978 48.2717565085339 1979 48.4955626585194 1980 47.8558853400863 1981 47.1955712433946 1982 47.0951914850477 1983 47.2761776898556 1984 47.4965660686525 1985 47.4453953955645 1986 47.3366419914119 1987 47.5711957681022 1988 48.0265066412257 1989 47.8930089613126 1990 47.3138954701549 1991 46.6383923977207 1992 46.2680981742943 1993 46.0003458280788 1994 45.4125553116256 1995 44.6403310370379 1996 43.6803490381924 1997 42.6964655205982 1998 41.7862068287896 1999 41.0368078224128 2000 40.5127673577205 2001 40.2287434331761 2002 40.0839026584412 2003 40.048423044112 2004 40.1557668848083 2005 40.3271472014363 2006 40.4361131747321 2007 40.5394614035905 2008 40.7209673756632 2009 40.9292783239362 2010 41.1571828546336 2011 41.335456504459 2012 41.3785148179852 2013 41.2824960431529 2014 41.0787058012852 2015 40.7786232150167 2016 40.4246565116865 2017 40.0566841651857 2018 39.6975640085529 2019 39.3602776838699 2020 39.0400976094178 2021 38.7594146085837 2022 38.4871598864553 2023 38.1449244945556