Year % of female population 1960 2.28694313720014 1961 2.27429269661234 1962 2.26613374590463 1963 2.26354256401383 1964 2.26548800438816 1965 2.26896368095851 1966 2.26745463481036 1967 2.25670771190101 1968 2.23772605264294 1969 2.21127046886474 1970 2.176170625224 1971 2.13474460792702 1972 2.09670521039289 1973 2.07084301288555 1974 2.05896100127522 1975 2.06033053046164 1976 2.07429736483618 1977 2.09681398265438 1978 2.12276887719859 1979 2.14870891566497 1980 2.17504199309339 1981 2.20701791284345 1982 2.24383749194409 1983 2.28066513693584 1984 2.31576437605319 1985 2.34726453096716 1986 2.37369236392256 1987 2.39723523241794 1988 2.42042409290444 1989 2.44225065670736 1990 2.46616680029652 1991 2.49959582112682 1992 2.53977739589477 1993 2.58032415641644 1994 2.61942219065748 1995 2.65422384178737 1996 2.68002492140724 1997 2.69840552982668 1998 2.7161310510772 1999 2.73772114141753 2000 2.77103118616227 2001 2.81999272322477 2002 2.88123350565351 2003 2.95031931814649 2004 3.02452445038496 2005 3.11055368835344 2006 3.20513872692171 2007 3.30253398513159 2008 3.40744394352428 2009 3.51703840541323 2010 3.61956225894152 2011 3.7210815850675 2012 3.83303946531279 2013 3.95251754006047 2014 4.07672756442278 2015 4.19957593071505 2016 4.31175490956192 2017 4.41667334660647 2018 4.52301419492313 2019 4.62849651731331 2020 4.72743641228585 2021 4.82709058869766 2022 4.93685335555706 2023 5.05000364662945