Year % of female population 1960 42.1284697170313 1961 42.0252005424592 1962 41.9503544088996 1963 41.9648272797833 1964 42.0265840470543 1965 42.2007755519649 1966 42.496522823698 1967 42.7717903194886 1968 43.0198189178141 1969 43.2397355841797 1970 43.4354675040042 1971 43.6036156699095 1972 43.7348764348374 1973 43.8362825823525 1974 43.9180698056272 1975 43.9858482581169 1976 44.0423697645817 1977 44.0780780549633 1978 44.0931645342054 1979 44.0945211945518 1980 44.085280923587 1981 44.0744573931283 1982 44.0670300755457 1983 44.0657848457031 1984 44.0737254145757 1985 44.0917379608112 1986 44.1115754392524 1987 44.1461240442966 1988 44.1976966527157 1989 44.2617129062175 1990 44.3636971805954 1991 44.3726846823293 1992 44.4495992756697 1993 44.2354408300098 1994 44.0755256227729 1995 43.1661936240202 1996 42.5999394859435 1997 43.2338315297951 1998 43.6248735455088 1999 43.7401005526239 2000 43.7897189547179 2001 43.4915788554231 2002 43.0384248743508 2003 42.4141106728851 2004 41.8569186680012 2005 41.8388687785784 2006 42.0415352850231 2007 42.2217211150886 2008 42.0008263960307 2009 41.765571374145 2010 41.6373825654154 2011 41.4172500237004 2012 41.2386818957849 2013 41.1036387252811 2014 41.1342935545602 2015 41.2263962289416 2016 41.1850096854512 2017 41.0058780180693 2018 40.6004708677747 2019 40.0887450548435 2020 39.5027616645999 2021 38.8810240766826 2022 38.3150050853252 2023 37.7927695154656