Year % of female population 1960 11.7280601064385 1961 11.8963569734857 1962 12.2228366754864 1963 12.562855508061 1964 13.0643711130038 1965 13.6993725781257 1966 14.2002095650218 1967 14.4180525853179 1968 14.4042159342906 1969 14.4130867662009 1970 14.2715280890265 1971 13.9659803043867 1972 13.5927880314535 1973 13.1227689343041 1974 12.7197146475386 1975 12.5380595588573 1976 12.6912652406328 1977 13.1058110560722 1978 13.7226026556709 1979 14.1127365996153 1980 14.2987162910429 1981 14.5580483162315 1982 14.7523923458566 1983 14.8294783247284 1984 14.8299705855823 1985 14.8370240195075 1986 14.8492646039905 1987 14.8737278869018 1988 14.9538309610949 1989 15.0459256548282 1990 15.0806952731552 1991 15.0652275981992 1992 14.9988999130407 1993 14.8848823742042 1994 14.738244202835 1995 14.5446484752381 1996 14.3207862271716 1997 14.1287058821554 1998 13.9885349468235 1999 13.896378242778 2000 13.8657693228235 2001 13.8842128546316 2002 13.9083222276643 2003 13.9211832827603 2004 13.9206817037369 2005 13.9148081361391 2006 13.9078562654625 2007 13.9061992629392 2008 13.9212971466907 2009 13.9461224636555 2010 13.9740361535543 2011 14.0033083629827 2012 14.0264080352329 2013 14.0180427443964 2014 13.9702654419839 2015 13.8952469825954 2016 13.8187184702858 2017 13.7481652338016 2018 13.6852586682456 2019 13.6252993856087 2020 13.5449001294527 2021 13.4181915755075 2022 13.2202564404519 2023 12.9748006045392