Year % of female population 1960 12.5467590605262 1961 12.45658582144 1962 12.7397000189861 1963 12.8816553116326 1964 12.8359472360037 1965 12.6214864481185 1966 12.3677060946434 1967 12.1831824453307 1968 12.055570303513 1969 11.9345813070415 1970 11.7054592952804 1971 11.4481510598217 1972 11.2636326821298 1973 11.0967179094021 1974 10.9854726117854 1975 11.5210084033613 1976 12.3878968823563 1977 12.787419610607 1978 12.6642594690753 1979 12.0700737672302 1980 11.3741815616648 1981 10.8136416139705 1982 10.362604095134 1983 10.0305289450766 1984 9.83858716293202 1985 9.80336493877628 1986 9.83197975796746 1987 9.8512267601341 1988 9.97574607191817 1989 10.0865525483846 1990 10.0306182569809 1991 9.95194946508874 1992 9.92840004206139 1993 9.86792166388341 1994 9.86404178687937 1995 9.84815942326728 1996 9.73227040228561 1997 9.58581281505341 1998 9.38412995208601 1999 9.1488737316698 2000 8.95418071148623 2001 8.72033297910025 2002 8.35880032692513 2003 7.92891380218328 2004 7.42905365976281 2005 7.00470041601383 2006 6.75281404772625 2007 6.57143371822816 2008 6.4151759174188 2009 6.29377554511244 2010 6.19354023590142 2011 6.11911440320253 2012 6.10474407561298 2013 6.15199478224125 2014 6.25577185918511 2015 6.40465793304221 2016 6.51500925004881 2017 6.52795766052011 2018 6.4705332959746 2019 6.35250700162044 2020 6.18992695117262 2021 6.04496659409954 2022 5.9585126317078 2023 5.89425896150572