Year % of female population 1960 44.2484979689134 1961 44.5381440364361 1962 44.8235253368432 1963 45.0368181919918 1964 45.2821826593594 1965 45.5962116154873 1966 45.8671363865123 1967 46.0757452100579 1968 46.2224682000675 1969 46.3037098760959 1970 46.3319247224337 1971 46.3055811554624 1972 46.1168823726843 1973 45.7792852547045 1974 45.3973910964029 1975 44.9583517645207 1976 44.461783021482 1977 43.9245374049268 1978 43.2778171753544 1979 42.5245694106673 1980 41.7695406929895 1981 41.0499675858974 1982 40.351004117757 1983 39.6224423371277 1984 38.9135604389308 1985 38.3424586285772 1986 37.9033578139834 1987 37.5469316674921 1988 37.3216057688811 1989 37.1888548031336 1990 37.0738840558158 1991 36.9507100680714 1992 36.777991213222 1993 36.5947148273016 1994 36.3593501814969 1995 35.9633613611722 1996 35.4100130050516 1997 34.7298049170637 1998 33.9513686899103 1999 33.135389431894 2000 32.2990557133259 2001 31.4639499194208 2002 30.6509582280244 2003 29.7860843210732 2004 28.9160064002468 2005 28.1139627972687 2006 27.42402071771 2007 26.9386367750779 2008 26.4832330180567 2009 25.9906933491229 2010 25.5971415165843 2011 25.2497973646647 2012 24.9110294904254 2013 24.6189826544533 2014 24.2988353775177 2015 23.8917304565659 2016 23.4513335642535 2017 22.9985974368847 2018 22.5772355783164 2019 22.1947110993851 2020 21.7870142068804 2021 21.3494437770583 2022 20.8875466217777 2023 20.3810090884703