Year % of female population 1960 9.40856113747275 1961 9.62587702514995 1962 9.78913181209312 1963 9.87804775544579 1964 9.9380781968312 1965 10.1298025454978 1966 10.3674820525585 1967 10.5383618030872 1968 10.7292021406252 1969 10.9134526739661 1970 11.1245460403067 1971 11.3218322216745 1972 11.5017371271803 1973 11.6774631408735 1974 11.7953870624547 1975 11.9507721625911 1976 12.1565710245213 1977 12.3546451211618 1978 12.5657466315344 1979 12.7792856072652 1980 13.0043834862283 1981 13.2092520157354 1982 13.4104000529296 1983 13.6162440304847 1984 13.8257907506689 1985 14.0735874477064 1986 14.3630051403504 1987 14.7027483571741 1988 15.0696791772888 1989 15.43872240556 1990 15.8142955863566 1991 16.1597797666845 1992 16.4711006588695 1993 16.7857258677458 1994 17.1153259783048 1995 17.4659280240289 1996 17.810822200436 1997 18.1479370501329 1998 18.488546231732 1999 18.7826274651846 2000 19.0427368807961 2001 19.3199160633702 2002 19.4380616688158 2003 19.326944228299 2004 19.1217774473674 2005 19.0374720072658 2006 18.9981964550467 2007 18.8645152620172 2008 18.8489586233358 2009 18.9953301990276 2010 19.2298486914852 2011 19.4730643653858 2012 19.7321653490086 2013 20.1072990053289 2014 20.5072843954103 2015 20.7894220776065 2016 21.0129082364135 2017 21.2386551287024 2018 21.4433352586553 2019 21.6229676057957 2020 21.8049593661896 2021 22.0383426327562 2022 22.4094677152489 2023 22.8893165803891