Year % of female population 1960 14.0526612720823 1961 13.9965838732923 1962 14.0102345006434 1963 13.996497005436 1964 13.9440978375139 1965 13.8643601419447 1966 13.7892285169703 1967 13.7247652825047 1968 13.672637047017 1969 13.6611153464866 1970 13.6862708275834 1971 13.6847848308357 1972 13.6491805463515 1973 13.61565501714 1974 13.6001018706204 1975 13.6078046176351 1976 13.6468624980233 1977 13.6567576141509 1978 13.6163662244061 1979 13.5675025724692 1980 13.5039088534535 1981 13.3063636824378 1982 12.9703293299174 1983 12.5747345295136 1984 12.1998106481608 1985 11.8168834243613 1986 11.8569378019948 1987 12.3227909061292 1988 12.6668633421269 1989 12.8690989544476 1990 13.0023827718839 1991 13.19485996022 1992 13.369907235758 1993 13.4151550115702 1994 13.3613609376332 1995 13.1616557328093 1996 12.8343327680517 1997 12.4568170021656 1998 12.0512148872393 1999 11.6327758148765 2000 11.2518808793395 2001 10.8968427874247 2002 10.5119994472319 2003 10.1131551233325 2004 9.72798743111021 2005 9.33653897493317 2006 8.96331359675941 2007 8.67808418441033 2008 8.48641936441512 2009 8.39138469899268 2010 8.41885766777737 2011 8.54868137702566 2012 8.73705589439246 2013 9.00014710375341 2014 9.21730807779009 2015 9.2887187730743 2016 9.35555905812447 2017 9.42413851961582 2018 9.37390027365829 2019 9.29725760039043 2020 9.26118196888156 2021 9.18591209980744 2022 9.09246226784167 2023 9.03730263415103