Year % female 1970 40.4127311706543 1971 40.2311592102051 1972 40.1470718383789 1973 41.366039276123 1974 40.5251808166504 1975 41.1707611083984 1976 41.7847900390625 1977 43.273811340332 1978 45.545280456543 1979 45.0779800415039 1980 46.1600303649902 1981 46.7029800415039 1982 46.9368705749512 1983 48.5509605407715 1984 48.3891181945801 1985 48.6663284301758 1986 49.231029510498 1987 49.7947006225586 1988 49.8450317382812 1989 49.900951385498 1990 50.8564300537109 1991 50.9902305603027 1992 51.7455291748047 1993 51.9211616516113 1994 52.2990493774414 1995 52.2294082641602 1996 52.1054382324219 1997 51.4552192687988 1998 51.769229888916 1999 51.9861907958984 2000 52.7172584533691 2001 53.3676795959473 2002 53.9284782409668 2003 54.2007713317871 2004 54.8162689208984 2005 55.2033309936523 2006 55.9367408752441 2007 56.5128402709961 2008 56.4323196411133 2009 56.2896995544434 2010 57.1521301269531 2011 58.1705589294434 2012 59.1271896362305 2013 60.3338584899902 2014 61.5003395080566 2015 61.9548797607422 2016 62.6535301208496 2017 63.5914611816406 2018 64.3027877807617 2019 65.1823425292969 2020 65.2166595458984 2021 65.6221389770508 2022 66.455810546875