Year % of female population 1960 1.33437815107264 1961 1.30463072542022 1962 1.27603495948888 1963 1.25240332964832 1964 1.23840986579299 1965 1.23370409182357 1966 1.23747608099748 1967 1.2493631451455 1968 1.26311579588875 1969 1.27104862000995 1970 1.27218100012313 1971 1.26825527849198 1972 1.25954447862782 1973 1.24917680715373 1974 1.24145728899056 1975 1.23797462748968 1976 1.23196199388258 1977 1.21885919636992 1978 1.20064319569541 1979 1.17705191517374 1980 1.14802226377051 1981 1.11520560961808 1982 1.07951425928285 1983 1.04005691075271 1984 0.994769689365168 1985 0.942912590021115 1986 0.884341354823173 1987 0.818879760089734 1988 0.753997269924302 1989 0.704542153733861 1990 0.673357914408792 1991 0.653373474273878 1992 0.641348892376968 1993 0.633443997011001 1994 0.624933440167148 1995 0.61486413009156 1996 0.602677661291676 1997 0.588734362426354 1998 0.575145804531433 1999 0.562394793601358 2000 0.551035918625127 2001 0.543504408488563 2002 0.537229701354167 2003 0.52977284473899 2004 0.522783970463841 2005 0.515984250634691 2006 0.510206467275526 2007 0.506816977405213 2008 0.506280825335474 2009 0.507988039374569 2010 0.511570231921311 2011 0.51775690395531 2012 0.52726060225578 2013 0.53976897286687 2014 0.555605908029837 2015 0.573972844478801 2016 0.592688917550404 2017 0.611395322092496 2018 0.628829270515619 2019 0.65535549155983 2020 0.689888204152845 2021 0.722202372772662 2022 0.752797325202783 2023 0.782269872228732