Year % of female population 1960 18.9528514098243 1961 18.9007801055055 1962 19.043191173705 1963 19.3328561779857 1964 19.3740303409954 1965 19.1386838858736 1966 18.7887953548826 1967 18.4028910140584 1968 18.0589198594384 1969 17.7392098904063 1970 17.3564009043597 1971 16.8636306027381 1972 16.2731465546913 1973 15.6670206140306 1974 15.1118084921212 1975 14.625003856398 1976 14.2223992056432 1977 13.8759108499878 1978 13.5501511613552 1979 13.2266863368375 1980 12.9872380358252 1981 12.9205968466372 1982 12.9861773117255 1983 13.1686798680737 1984 13.47181488942 1985 13.7068896627991 1986 13.7985221499514 1987 13.8624609863848 1988 13.8924904987741 1989 13.8783938142518 1990 13.8303907911668 1991 13.7486048773011 1992 13.6269523551731 1993 13.4676101570624 1994 13.2706898564258 1995 12.9314517886681 1996 12.4934455264171 1997 12.1152864595417 1998 11.8185706129201 1999 11.6020130274806 2000 11.4319366121779 2001 11.279276896308 2002 11.142132702772 2003 10.9990216676557 2004 10.8680729338733 2005 10.7558554314832 2006 10.6327226945602 2007 10.4905136334329 2008 10.3273662012442 2009 10.148508399215 2010 9.96403440187647 2011 9.78802697838457 2012 9.62541378083363 2013 9.47857612539764 2014 9.34809629208999 2015 9.23012705121181 2016 9.11710019590946 2017 9.0096386689522 2018 8.91032840799801 2019 8.81677435651989 2020 8.73067364848995 2021 8.66213151927438 2022 8.60346857679465 2023 8.53606187735275