Year % of female population 1960 45.7047740633203 1961 45.8646567409522 1962 45.9553280367516 1963 45.9646193572809 1964 45.8847854879454 1965 45.7462410360252 1966 45.5493197372517 1967 45.2610621069364 1968 44.8632357089808 1969 44.3762413806419 1970 43.8279710381621 1971 43.2107780921488 1972 42.5248608689458 1973 41.7759768003166 1974 40.9897903125342 1975 40.1942878697808 1976 39.4115400876165 1977 38.6621536493985 1978 37.9648118712549 1979 37.3458985046868 1980 36.8080736925174 1981 36.3502589167199 1982 35.9807306397838 1983 35.7225416645533 1984 35.5557748492107 1985 35.4472353658461 1986 35.3853624627747 1987 35.3417697959015 1988 35.2962691657791 1989 35.2165047418425 1990 35.0800191509735 1991 34.8736036088182 1992 34.5899150983418 1993 34.2380297507588 1994 33.8202402008404 1995 33.3483756421773 1996 32.8300547478041 1997 32.2639184743902 1998 31.6517537854052 1999 31.0055682106449 2000 30.3408096886198 2001 29.665881883222 2002 28.9786628525682 2003 28.2873831068608 2004 27.6113306509216 2005 26.9557155203408 2006 26.3325191908299 2007 25.7556467503115 2008 25.2291690986599 2009 24.734497308814 2010 24.2540622823176 2011 23.7938320305142 2012 23.3557357630902 2013 22.9395875425777 2014 22.5431192592143 2015 22.1554008989119 2016 21.7794117885605 2017 21.4428644119338 2018 21.1371618543118 2019 20.8209818466635 2020 20.4764307599464 2021 20.121923753192 2022 19.7597253717444 2023 19.3572268774273