Year % of female population 1960 3.500365493273794 1961 3.4431188448235353 1962 3.3691903038262296 1963 3.2933832681520596 1964 3.229681319426727 1965 3.18333726720242 1966 3.1503796530158263 1967 3.1273262506435198 1968 3.11426376203937 1969 3.1133048477676906 1970 3.1231837309719985 1971 3.145005528057715 1972 3.1815066760245223 1973 3.225029132922911 1974 3.2613593442061797 1975 3.290174032937635 1976 3.310372851769145 1977 3.3108630109390598 1978 3.29607151541715 1979 3.2783278425059605 1980 3.2601569295244976 1981 3.23939589324433 1982 3.2192305551344846 1983 3.1987779928267197 1984 3.1718977838159463 1985 3.136192969444362 1986 3.0957740099191446 1987 3.053753629357485 1988 3.00817622719563 1989 2.9583369544294116 1990 2.906611762558776 1991 2.857845429208705 1992 2.8168160670270734 1993 2.7917658047665257 1994 2.789842075041183 1995 2.8145324831840584 1996 2.8659826263704784 1997 2.936434337264543 1998 3.01855628312503 1999 3.112705825539465 2000 3.2083146710721935 2001 3.2968089071210733 2002 3.3865341498096133 2003 3.4790485823151185 2004 3.568341355579576 2005 3.651878683351055 2006 3.7297230258215164 2007 3.794548311604135 2008 3.849740413818833 2009 3.9060335396646337 2010 3.96227162648196 2011 4.020395787381105 2012 4.089911016534801 2013 4.166928593053855 2014 4.23380566997459 2015 4.292396445165145 2016 4.3575946528336145 2017 4.419522518769028 2018 4.47618051769752 2019 4.538352749122952 2020 4.60237993303138 2021 4.664055274737406 2022 4.7192408600893145 2023 4.767622558824175