Year % of female population 1960 41.4042832197312 1961 41.601079861238 1962 41.813524564279 1963 41.9311096279444 1964 41.9127055150179 1965 41.7944149652457 1966 41.9660674244273 1967 42.4459951668433 1968 42.6225675298826 1969 42.4209341742184 1970 42.1074507091413 1971 41.7962086226907 1972 41.559820204774 1973 41.4274083792766 1974 41.3218216251336 1975 41.1248131877734 1976 40.8955377108888 1977 40.7029921083842 1978 40.4375043578459 1979 40.0593983950171 1980 39.7097274845212 1981 39.4245970313846 1982 39.1165232430724 1983 38.5347077832007 1984 37.9387256859559 1985 37.546296974195 1986 37.1257132296586 1987 36.6825941098883 1988 36.2205259338017 1989 35.7508457927283 1990 35.2709653427913 1991 34.7553748100257 1992 34.227243292712 1993 33.7041893760196 1994 33.1809482454504 1995 32.6838408211478 1996 32.2270600484714 1997 31.8019357512372 1998 31.3897715663736 1999 30.9727508909732 2000 30.5354208277699 2001 30.1047030589838 2002 29.6585587054426 2003 29.153661819497 2004 28.6386676310766 2005 28.1701056523878 2006 27.7493516489418 2007 27.3587541594062 2008 26.9746417489484 2009 26.5638962343996 2010 26.1324592070937 2011 25.6908282912225 2012 25.2402212521724 2013 24.8007704292068 2014 24.3880240927148 2015 24.0557674505459 2016 23.774316084112 2017 23.583514604195 2018 23.4897910523893 2019 23.3551898151649 2020 23.1631858393411 2021 22.9318360441317 2022 22.6849732524826 2023 22.4339855203347