Year % of female population 1960 14.9110843534748 1961 14.9991977675647 1962 15.0735053740953 1963 15.1429640161082 1964 15.2058898302674 1965 15.2643723650544 1966 15.3187135795274 1967 15.3687709421457 1968 15.4189389339063 1969 15.4720565089697 1970 15.5252309607329 1971 15.5548046929945 1972 15.5432865282332 1973 15.4903591234375 1974 15.3890737676578 1975 15.2448269393837 1976 15.1000130725273 1977 14.9923805601614 1978 14.9151159841362 1979 14.8547643016958 1980 14.7985262767733 1981 14.7145876349287 1982 14.5755814621711 1983 14.3779748083677 1984 14.1241880859011 1985 13.8370484664196 1986 13.5495625087207 1987 13.2763614353349 1988 13.0248556903018 1989 12.7912326633136 1990 12.5710232465603 1991 12.3692780245262 1992 12.1894790996939 1993 12.0347976628573 1994 11.8952151949959 1995 11.7726497972753 1996 11.6691917655844 1997 11.5696167123142 1998 11.469738317047 1999 11.357241284292 2000 11.2079436608873 2001 11.0161966563872 2002 10.8021205873013 2003 10.5928770405715 2004 10.3999695766894 2005 10.2448962320595 2006 10.1359781956856 2007 10.0494912512259 2008 9.96429573670652 2009 9.861626910602 2010 9.71912688741296 2011 9.54679935652266 2012 9.36548482798707 2013 9.18514682092914 2014 9.02199569281082 2015 8.87802984422999 2016 8.75261755105033 2017 8.63818508297235 2018 8.52433441786534 2019 8.41353266284268 2020 8.30869715033494 2021 8.19411010043247 2022 8.04661186098963 2023 7.85885644739281