Year % of female population 1960 1.904355452823121 1961 1.9208785024843902 1962 1.9413462254327951 1963 1.9565395384950655 1964 1.9664947701893745 1965 1.9858094713811203 1966 2.0106090895349364 1967 2.032089543572722 1968 2.0581098866497407 1969 2.0846736669996138 1970 2.103168208406615 1971 2.1155700453470048 1972 2.1282507705313107 1973 2.1397002418861897 1974 2.1539579536849653 1975 2.1677725254597466 1976 2.175837421682638 1977 2.185416988018129 1978 2.19578296948425 1979 2.2039228965649262 1980 2.1986387202008375 1981 2.172797648425694 1982 2.131792851514774 1983 2.092233909274376 1984 2.0647022945261466 1985 2.0547996428563295 1986 2.0704713213660586 1987 2.104884479409889 1988 2.1519632777721553 1989 2.2064451781297914 1990 2.261536153916689 1991 2.311102147871611 1992 2.35714115406128 1993 2.4022811236994586 1994 2.4354610228855216 1995 2.4594647150977944 1996 2.4795066662710936 1997 2.494676998885979 1998 2.504052393946071 1999 2.5095754922571247 2000 2.521425685854289 2001 2.547073675665118 2002 2.584189442594879 2003 2.6212593671413127 2004 2.650910922178568 2005 2.667515631713807 2006 2.672665239222249 2007 2.656320906401295 2008 2.6187764700915728 2009 2.5883639366938085 2010 2.57980346723545 2011 2.6065375603104006 2012 2.678642094245026 2013 2.792023757359277 2014 2.9429889840089487 2015 3.124191637820812 2016 3.2995704232729683 2017 3.4733164438645066 2018 3.646124634275502 2019 3.7940842253037874 2020 3.915889680458199 2021 4.00645036780282 2022 4.076370407033875 2023 4.1318058009858945