Year % of female population 1960 33.4705685990876 1961 34.176245210728 1962 34.8559759243336 1963 35.4590492252556 1964 35.9366918382125 1965 36.1663286004057 1966 36.2588211907365 1967 36.231601520616 1968 36.0474006116208 1969 35.80814717477 1970 35.5135085963795 1971 35.1236810240443 1972 34.6462495905667 1973 34.0789064926996 1974 33.3899306068212 1975 32.5877470633748 1976 31.7027281279398 1977 30.7350669412976 1978 29.6674716700725 1979 28.5347657415697 1980 27.7478818410808 1981 27.2901389952939 1982 26.7685223943072 1983 26.2095562456175 1984 25.6000384024578 1985 24.956241363427 1986 24.2751538223186 1987 23.5497061078456 1988 22.8865725541694 1989 22.3393752714923 1990 21.8548295776243 1991 21.4131762339249 1992 21.0465036641326 1993 20.7382462564572 1994 20.443249663968 1995 20.1652496706981 1996 19.906397151717 1997 19.6457149163953 1998 19.3788357820346 1999 19.1429376938258 2000 19.0877123470853 2001 19.1177527121201 2002 19.0758815755918 2003 18.9976637613442 2004 18.873018637868 2005 18.7112030741945 2006 18.5266393442623 2007 18.3374131788963 2008 18.1283608650238 2009 17.9121892466643 2010 17.7952120834403 2011 17.727004136301 2012 17.5890852974186 2013 17.4123711340206 2014 17.277363539966 2015 17.1989848050364 2016 17.1733798089336 2017 17.2242071647643 2018 17.2967526931721 2019 17.326250418582 2020 17.2625112376386 2021 17.257988025372 2022 17.3828096308375 2023 17.4932712591838