Year % of female population 1960 10.2543110064985 1961 10.4691702360793 1962 10.7117008443908 1963 10.9034850042044 1964 11.0357611103576 1965 11.085844229676 1966 11.0701576004067 1967 11.027507092636 1968 11.0114420125184 1969 11.0587508208119 1970 11.1520945462757 1971 11.2708325634677 1972 11.3943846377655 1973 11.4508736751647 1974 11.4356174035582 1975 11.4820959491221 1976 11.6454582374442 1977 11.8807613236952 1978 12.0879120879121 1979 12.1696158138052 1980 12.0646263787479 1981 11.8109763420199 1982 11.5658465991317 1983 11.3915225878416 1984 11.2471801482436 1985 11.0993329541341 1986 10.9529379557502 1987 10.7652865631589 1988 10.5032519950182 1989 10.1995516192759 1990 9.86233113549967 1991 9.53757225433526 1992 9.26642507626477 1993 9.04268097373479 1994 8.87074670112377 1995 8.75761406734858 1996 8.6826066572902 1997 8.62198864367225 1998 8.57209830685732 1999 8.549975207197 2000 8.55907881842363 2001 8.58653728686364 2002 8.63584724285589 2003 8.72339679534378 2004 8.89158918005072 2005 9.1852639036486 2006 9.61329315908645 2007 10.12499102076 2008 10.6349091435604 2009 11.0213092023644 2010 11.1993821030564 2011 11.1311058753687 2012 10.8272734088013 2013 10.3741206363654 2014 9.87796675314692 2015 9.40536111436264 2016 8.99714376388448 2017 8.6663301362948 2018 8.38205022643063 2019 8.14134364752375 2020 7.93776994649419 2021 7.75520970720127 2022 7.7032969485926 2023 7.84767988483772