Year % of female population 1960 13.9715948581498 1961 14.4813084428097 1962 15.1167185850397 1963 15.8186515144849 1964 16.5132608142031 1965 16.9943631138089 1966 17.1314763577931 1967 17.0165800327547 1968 16.8077798952135 1969 16.6075391451654 1970 16.4359385858344 1971 16.2406349605568 1972 15.9347483289376 1973 15.5073194905152 1974 14.9902360478262 1975 14.4350596824328 1976 13.9637972710166 1977 13.7277704360959 1978 13.7887050894135 1979 14.0973471966472 1980 14.5274794439832 1981 14.7595843552343 1982 14.5958359039553 1983 14.1941810656014 1984 13.7251431274175 1985 13.2659254597581 1986 12.8986706263121 1987 12.7543072561299 1988 12.8658365696441 1989 13.1918046595371 1990 13.6919007725202 1991 14.0515222482436 1992 14.0046941405978 1993 13.6771295724738 1994 13.2458815729076 1995 12.8103846397166 1996 12.4273367281205 1997 12.1255033607003 1998 11.9018176427412 1999 11.7293177549714 2000 11.584550050279 2001 11.4452161848165 2002 11.2906284122636 2003 10.9855350268708 2004 10.4454774703628 2005 9.85351687057877 2006 9.34845424396106 2007 8.95219779810222 2008 8.72787426071305 2009 8.67448676427291 2010 8.76361104765634 2011 8.86490001483848 2012 8.7714029544129 2013 8.63704390716891 2014 8.65624697135766 2015 8.72978282903491 2016 8.78508848922011 2017 8.83588518591282 2018 8.8905915326585 2019 8.990707569292 2020 9.1743127500947 2021 9.29769426053341 2022 9.25649157015467 2023 9.10907838462631