Year % of female population 1960 15.7977476312438 1961 15.9799699388388 1962 16.1548070627224 1963 16.3187454909956 1964 16.4696221880979 1965 16.6016060015921 1966 16.718094918105 1967 16.8223689456671 1968 16.9135896787009 1969 16.9961656316693 1970 17.0791732951741 1971 17.1657157492316 1972 17.2468187080316 1973 17.3193745086851 1974 17.3841132672771 1975 17.4369563231545 1976 17.4982116779176 1977 17.5820065109213 1978 17.6597886692688 1979 17.7444904349315 1980 17.7966717258134 1981 17.8453723786849 1982 18.0556862253165 1983 18.2696814358013 1984 18.3319100188649 1985 18.3502375802282 1986 18.35451067455 1987 18.3322576544796 1988 18.3169491090834 1989 18.3127797994718 1990 18.2810896533605 1991 18.2121266821327 1992 18.1058461469102 1993 17.9740328709368 1994 17.8306557067198 1995 17.6698390560372 1996 17.4838629175705 1997 17.2879927088346 1998 17.1128706286099 1999 16.987712299906 2000 16.9090836269952 2001 16.8627578626673 2002 16.8568890140129 2003 16.8896393584081 2004 16.932535309731 2005 16.9787574039418 2006 17.0361645601221 2007 17.0776140779826 2008 17.0809094792188 2009 17.0540614958533 2010 17.0081893968861 2011 16.9392228528495 2012 16.8371051457025 2013 16.7068802546564 2014 16.5344634306802 2015 16.3650760259004 2016 16.25643061326 2017 16.1962637174837 2018 16.1392740001939 2019 16.0584771937699 2020 15.9412130324848 2021 15.7743542224256 2022 15.573843923618 2023 15.3625300502953