Year % of female population 1960 2.10753898314426 1961 2.1070207586969 1962 2.10650491778496 1963 2.10337590513743 1964 2.09561618316723 1965 2.08295366947 1966 2.06490598617726 1967 2.04184360022037 1968 2.01679938693296 1969 1.99322741353931 1970 1.97248497159791 1971 1.95473637532475 1972 1.94015724195754 1973 1.92872632768322 1974 1.93702096243106 1975 1.95878718897817 1976 1.97427284378556 1977 1.98183221279426 1978 1.98059947728874 1979 1.94900314386276 1980 1.89020609716013 1981 1.83085401770873 1982 1.7792267233117 1983 1.74998563766171 1984 1.73526287210687 1985 1.7177337712371 1986 1.6951241232362 1987 1.66620179539954 1988 1.63039668043334 1989 1.59243331374319 1990 1.55495071056432 1991 1.51732765911768 1992 1.48042144173063 1993 1.44506129703318 1994 1.41886313149322 1995 1.40678259475264 1996 1.40821609116301 1997 1.42412450108094 1998 1.45565386419677 1999 1.50574754453022 2000 1.57498088311733 2001 1.66054459646456 2002 1.76020783060834 2003 1.86915374967518 2004 1.97871608833719 2005 2.09396583285907 2006 2.21619408467766 2007 2.33549786386392 2008 2.45054435613723 2009 2.56280895441287 2010 2.66543521487275 2011 2.75140780366924 2012 2.81699104928274 2013 2.85981872569221 2014 2.87540999240729 2015 2.86546786612219 2016 2.83699281930218 2017 2.79546067465326 2018 2.749590334486 2019 2.70469294226244 2020 2.66051056287146 2021 2.61924902426871 2022 2.58262928916544 2023 2.54813415518645