Year % of female population 1960 38.4828135198626 1961 38.5827931603963 1962 39.0312146976634 1963 39.5916944837399 1964 40.0688404744404 1965 40.5659829075774 1966 41.0064861805368 1967 41.3180025001127 1968 41.5494519575493 1969 41.7983225283444 1970 42.1849309879854 1971 42.673077135263 1972 43.3321338393555 1973 44.1454153793785 1974 44.8301518434729 1975 45.3882921239855 1976 45.8118173187176 1977 45.924721501398 1978 45.824396596661 1979 45.6931626233569 1980 45.5386400941029 1981 45.3680975913632 1982 45.1804981634527 1983 44.9708080836859 1984 44.7411358270387 1985 44.4936855229553 1986 44.2304430641386 1987 43.9680639882515 1988 43.7175398018997 1989 43.4844966519175 1990 43.2783503196527 1991 43.1121087112095 1992 42.9893406894934 1993 42.893679062959 1994 42.8106719009914 1995 42.7233557617843 1996 42.6262462197784 1997 42.5325803911477 1998 42.4478738059002 1999 42.3461059967242 2000 42.2249994054373 2001 42.0956727752118 2002 41.9528239968925 2003 41.7893026273839 2004 41.6036142801603 2005 41.380790084614 2006 41.1129756312554 2007 40.8182440525582 2008 40.521996730093 2009 40.2503868868031 2010 40.0267977076715 2011 39.8752578804911 2012 39.7501986636807 2013 39.6002640908025 2014 39.4244708666299 2015 39.2061095397073 2016 38.9318196896044 2017 38.6099884058436 2018 38.2644951184349 2019 37.9042800255646 2020 37.5568442504932 2021 37.2180415844842 2022 36.8586579922774 2023 36.4807268567686