Year % of female population 1960 34.2994852196729 1961 33.5719572591684 1962 32.6974279436474 1963 31.7448746098281 1964 30.7280326423872 1965 29.6941147356978 1966 28.7102032075382 1967 27.8160671333369 1968 26.9672754487404 1969 26.1587345863362 1970 25.4305860594151 1971 24.7935923761707 1972 24.1725698094237 1973 23.5990408724653 1974 23.1343396844959 1975 22.7449190003084 1976 22.513148868054 1977 22.394968417966 1978 22.3281716440099 1979 22.3321669545703 1980 22.4007597452274 1981 22.4912165289352 1982 22.6367461430575 1983 22.8324728502759 1984 22.9593930619364 1985 22.9890452949061 1986 22.9175550418565 1987 22.7905553004689 1988 22.6585711014805 1989 22.510885222064 1990 22.2822422770435 1991 22.0145317704657 1992 21.7777742285824 1993 21.5096550159114 1994 21.1666435511686 1995 20.7751406620398 1996 20.4169016115286 1997 20.0647257450735 1998 19.6774397571311 1999 19.2911064669977 2000 18.9044757841707 2001 18.4577338129496 2002 17.9290164521973 2003 17.371639186204 2004 16.8053183969998 2005 16.2643212311117 2006 15.7790360753981 2007 15.3229338634143 2008 14.9198520345253 2009 14.6149143670421 2010 14.362919890204 2011 14.1288509086123 2012 13.9119551183808 2013 13.7069982026537 2014 13.5345392772898 2015 13.4071795325779 2016 13.3551514309168 2017 13.346110844913 2018 13.2999216914644 2019 13.2327597689349 2020 13.1857096282104 2021 13.1751403935966 2022 13.2252706789301 2023 13.2916224855838