Year % of female population 1960 1.44078012721467 1961 1.42734982712786 1962 1.41151241669095 1963 1.3966692699881 1964 1.39003724310844 1965 1.39227829678598 1966 1.40097550962272 1967 1.41745945921061 1968 1.43801973575761 1969 1.45298506643034 1970 1.45948578016684 1971 1.45965586289914 1972 1.4527812419551 1973 1.44108988608685 1974 1.42918932206778 1975 1.41925443882006 1976 1.41260512335755 1977 1.40723281683808 1978 1.4015918751357 1979 1.39627143765909 1980 1.39072580873967 1981 1.38572346591769 1982 1.38083575120688 1983 1.3721102059932 1984 1.35995893657677 1985 1.34716987276128 1986 1.3342885681652 1987 1.32410763730452 1988 1.31433854252038 1989 1.30392280786285 1990 1.29326579135467 1991 1.27540848872187 1992 1.26014351163356 1993 1.25284861503675 1994 1.24602589616941 1995 1.23957587713736 1996 1.23438056407514 1997 1.23145872245627 1998 1.22989973784658 1999 1.227419081676 2000 1.2249739772383 2001 1.22401499833842 2002 1.22449344076073 2003 1.22685029001954 2004 1.22988473641671 2005 1.23335269507316 2006 1.23752693512281 2007 1.24244170829441 2008 1.25009209666131 2009 1.26260271162031 2010 1.27918294994016 2011 1.29774512174587 2012 1.31658608642211 2013 1.32993753517561 2014 1.33539352472595 2015 1.33812671628931 2016 1.34061472700555 2017 1.34256522196759 2018 1.34869722517254 2019 1.36004107909748 2020 1.36852232652493 2021 1.37041140876869 2022 1.37094044658928 2023 1.38077610429309