Year % of female population 1960 39.3428130515871 1961 39.4446665374984 1962 39.5813489865987 1963 39.7725522575028 1964 39.9354659481752 1965 40.0138430295415 1966 40.0539198507249 1967 40.0687079660363 1968 40.0594306384737 1969 40.0304641090332 1970 39.9823199233669 1971 39.9152989806095 1972 39.8417590585271 1973 39.7601258784607 1974 39.6840720553122 1975 39.6401873660197 1976 39.628443815272 1977 39.6463809746054 1978 39.6884985858836 1979 39.7495943338129 1980 39.8377053127657 1981 39.9585189857906 1982 40.1093738779854 1983 40.2758012740276 1984 40.4478189622944 1985 40.6306983611454 1986 40.8240234228094 1987 41.0251066144493 1988 41.2278762624217 1989 41.4112291814825 1990 41.5563465791704 1991 41.6355239924171 1992 41.6406191497854 1993 41.5885621175902 1994 41.4805832632826 1995 41.3221081135394 1996 41.1165026052459 1997 40.8644970633744 1998 40.5783788588734 1999 40.2657927915704 2000 39.9277130526716 2001 39.5530173667 2002 39.1328697694691 2003 38.6812621471507 2004 38.202873107805 2005 37.7066674750054 2006 37.2295311753977 2007 36.7776158040432 2008 36.3412470992853 2009 35.9283517482 2010 35.5492047625899 2011 35.1840435379606 2012 34.8117999781907 2013 34.4371189952637 2014 34.0661562487268 2015 33.6955588617737 2016 33.3408097745881 2017 33.0172897851695 2018 32.7092753361473 2019 32.405968062735 2020 32.1080568357951 2021 31.8147196265931 2022 31.5248032276221 2023 31.2335172474847