Year % of female population 1960 1.18169521310111 1961 1.16318666672249 1962 1.14751242258378 1963 1.13231603265693 1964 1.11749479133784 1965 1.10820090547233 1966 1.10308824229725 1967 1.09510725954562 1968 1.08349609905923 1969 1.07077403570404 1970 1.05811763675382 1971 1.04674323686614 1972 1.03586996273636 1973 1.01659700092359 1974 0.990741450697746 1975 0.964849175344737 1976 0.93824782328253 1977 0.910795874816853 1978 0.882325798234155 1979 0.856121821277739 1980 0.834926118439452 1981 0.8191107608655 1982 0.808926810737159 1983 0.804023955558205 1984 0.804998776333591 1985 0.811246569139242 1986 0.820361398988461 1987 0.832071008107706 1988 0.848440471305155 1989 0.871859922649641 1990 0.901605204268978 1991 0.936959885810253 1992 0.977559872679787 1993 1.01943187543259 1994 1.05809653599787 1995 1.0919960200046 1996 1.12089540756095 1997 1.14404045765959 1998 1.16209246159233 1999 1.17668714923454 2000 1.18013476665638 2001 1.17240337331017 2002 1.16214204236149 2003 1.15069294334917 2004 1.14004917371359 2005 1.13269396251973 2006 1.13662584818859 2007 1.13845678043403 2008 1.12790807926135 2009 1.1274895436887 2010 1.14020245133345 2011 1.20109130007775 2012 1.26758256326114 2013 1.26604669152033 2014 1.27664926943992 2015 1.30377082331959 2016 1.3435053030893 2017 1.37231365978779 2018 1.39768092279601 2019 1.428515874319 2020 1.45632583111334 2021 1.48941515321947 2022 1.52834282090727 2023 1.55101703940831