Year % of female population 1960 39.50256820974439 1961 39.585781970382925 1962 39.73978859649072 1963 40.04301919822225 1964 40.27643580690471 1965 40.35893177398233 1966 40.37932946241846 1967 40.30827679348597 1968 40.21574886053372 1969 40.13958399103166 1970 40.02279599868714 1971 39.90707015194994 1972 39.756931488018246 1973 39.60295908570442 1974 39.51443087518103 1975 39.43111088113436 1976 39.33042028621244 1977 39.08793507680769 1978 38.62364109082808 1979 38.15223348950219 1980 37.761874051489414 1981 37.414996947805214 1982 37.13852943672759 1983 36.83684360346747 1984 36.49353234771564 1985 36.171248522031995 1986 35.87968388870379 1987 35.639780263620345 1988 35.4094870182586 1989 35.19420197352873 1990 35.02089971038029 1991 34.837291950112785 1992 34.6318449107874 1993 34.41652598041984 1994 34.14780747200304 1995 33.82694979653239 1996 33.46954667330112 1997 33.05925020025235 1998 32.630526106246286 1999 32.206090560684466 2000 31.77257230585309 2001 31.32060835024878 2002 30.85150935104905 2003 30.398035796252188 2004 29.962493546720452 2005 29.531763223217112 2006 29.15663625850809 2007 28.862198379306903 2008 28.61812482619278 2009 28.408318194296424 2010 28.21807145633964 2011 28.046635222418413 2012 27.906433259393037 2013 27.78639162954149 2014 27.669067486682085 2015 27.537337071076628 2016 27.392667685697912 2017 27.248888436836193 2018 27.088555381447 2019 26.90154437535456 2020 26.69048545013625 2021 26.468479159755013 2022 26.248686474797463 2023 25.989405649357973