Year % of female population 1960 1.26025428851664 1961 1.27936418908136 1962 1.2976490098292 1963 1.31536199272693 1964 1.33146088733653 1965 1.34563763345754 1966 1.35626551817375 1967 1.3615475123954 1968 1.36287798315083 1969 1.36394438163851 1970 1.36699418876262 1971 1.37324425804032 1972 1.38346565898841 1973 1.39704015579616 1974 1.41234453262864 1975 1.42766049529294 1976 1.4427500343571 1977 1.45606239320678 1978 1.46589149692254 1979 1.47158208627354 1980 1.47338654926552 1981 1.47098247124036 1982 1.46491047520024 1983 1.45762206368267 1984 1.45096770343598 1985 1.44571685763919 1986 1.44174655830424 1987 1.43961499211992 1988 1.44030541941791 1989 1.44337521870814 1990 1.44855798198213 1991 1.45690754633564 1992 1.46647783585376 1993 1.4755762759206 1994 1.48450885763455 1995 1.49360239705334 1996 1.50192136027085 1997 1.50822366811623 1998 1.51239368151415 1999 1.51560715031869 2000 1.51890605897842 2001 1.5229357823679 2002 1.52788545316709 2003 1.52991914850083 2004 1.52496275863862 2005 1.51054283335156 2006 1.48909435123034 2007 1.46249163398081 2008 1.42807339783667 2009 1.38574478775546 2010 1.34090914340534 2011 1.29823486162764 2012 1.26297551229344 2013 1.24428176603587 2014 1.25184795472739 2015 1.28967555017874 2016 1.35611363327333 2017 1.44391724650489 2018 1.52630125494422 2019 1.57748813010261 2020 1.59928970795355 2021 1.60299386552963 2022 1.59828000509938 2023 1.60856332372623