Year % of female population 1960 14.6901906352339 1961 14.919589637174 1962 15.1454383825019 1963 15.3406115296298 1964 15.4956755115434 1965 15.6732828787662 1966 15.917895612778 1967 16.2181328545781 1968 16.5616200713096 1969 16.9217852932946 1970 17.1409360317434 1971 17.1509585056138 1972 17.006100951813 1973 16.7165533601872 1974 16.2692416658797 1975 15.6992882286352 1976 15.1625153154799 1977 14.7464818189967 1978 14.4805437627857 1979 14.4394489803259 1980 14.5580979595859 1981 14.7076800516444 1982 14.8617511520737 1983 15.0038235044215 1984 15.1078448259363 1985 15.1386432148285 1986 15.1003996520533 1987 15.0339303328857 1988 14.9769531748888 1989 14.9368108181694 1990 14.9047072457982 1991 14.8438009167735 1992 14.7147163139452 1993 14.5410986074284 1994 14.3700646637587 1995 14.2091980228084 1996 14.0690394242048 1997 13.9113523798864 1998 13.6986732912099 1999 13.4389671361502 2000 13.1766022243535 2001 12.9581663571498 2002 12.814306102013 2003 12.7449258540906 2004 12.7209840007398 2005 12.7022549272743 2006 12.6561320639868 2007 12.56823038155 2008 12.4223052714398 2009 12.2285699719927 2010 11.9737067023045 2011 11.6721814023649 2012 11.3597399814272 2013 11.0424192984501 2014 10.7226705691391 2015 10.3669255556705 2016 10.019751855332 2017 9.75223797190848 2018 9.55262589150638 2019 9.41413712587561 2020 9.36461841665796 2021 9.3548557473447 2022 9.3211529062079 2023 9.27364897927228