Year % of female population 1960 14.9925089335892 1961 13.6872797424358 1962 13.1060801694742 1963 13.7085246634498 1964 14.8671842626291 1965 16.0204703133663 1966 17.1406953235371 1967 17.5352105947581 1968 17.0933985927786 1969 16.6543799514515 1970 16.3947142945462 1971 16.1346071735156 1972 15.8863109925928 1973 15.4399356035977 1974 14.7210393465648 1975 13.8299011626083 1976 12.8591034633407 1977 11.9379170600643 1978 11.0641921150938 1979 10.387812543075 1980 10.014729068767 1981 9.88684806892105 1982 9.99565582379838 1983 10.1306490934797 1984 10.14530149279 1985 10.1727848529886 1986 10.2468153033772 1987 10.3277247096293 1988 10.4488918283637 1989 10.6120426972479 1990 10.7376216881907 1991 10.5770005280859 1992 10.0406622429846 1993 9.42015241162023 1994 8.77571919312895 1995 8.03567660210275 1996 7.43488122972527 1997 7.06551170281804 1998 6.7620454305443 1999 6.50031988171543 2000 6.30686873220376 2001 6.15713585674991 2002 6.02238649167066 2003 5.92219536679623 2004 5.8588533786555 2005 5.79857850434932 2006 5.76294866944286 2007 5.7868106473242 2008 5.84850936412206 2009 5.93069636414173 2010 6.00229456396766 2011 6.05028727683271 2012 6.11926104542668 2013 6.17339846784736 2014 6.18492550724699 2015 6.16674775856404 2016 6.1451900940965 2017 6.11317776205289 2018 5.98060862323439 2019 5.74739934342707 2020 5.43937826866939 2021 5.02726962197674 2022 4.53492113708789 2023 4.12685935095746