Year % of female population 1960 4.34711357140553 1961 4.36913854294055 1962 4.38527507767643 1963 4.39219183716821 1964 4.38684184317065 1965 4.36920755959222 1966 4.3430971923381 1967 4.31320743087465 1968 4.2839356376044 1969 4.25960097726794 1970 4.24167822970462 1971 4.22773406398031 1972 4.21422439744622 1973 4.19794493264582 1974 4.17500080811789 1975 4.14413890108419 1976 4.10795018654374 1977 4.06987811777953 1978 4.03355082925558 1979 4.00176215784674 1980 3.97572485916864 1981 3.95366389300854 1982 3.93203151665441 1983 3.90784954003584 1984 3.87891352446942 1985 3.87226553845229 1986 3.89739942990352 1987 3.93362085586259 1988 3.97415966864641 1989 4.01220029905588 1990 4.01979390376371 1991 3.99935676935336 1992 3.98770604848203 1993 3.99827494837497 1994 4.01220495799588 1995 4.02617711586962 1996 4.04797333966813 1997 4.06046573729044 1998 4.05552477919534 1999 4.05254139323699 2000 4.05603193823439 2001 4.05410033593507 2002 4.04387006695192 2003 4.02618414533066 2004 4.00872852863792 2005 3.99961793960852 2006 4.00465737685036 2007 4.02235868768255 2008 4.05010609767582 2009 4.08793512003122 2010 4.13077752041922 2011 4.17132343293825 2012 4.21132320938736 2013 4.25578436570468 2014 4.30316813272861 2015 4.35403643777575 2016 4.41323768933346 2017 4.47362037826299 2018 4.52421111984281 2019 4.5755872897048 2020 4.63536595820618 2021 4.70143529520669 2022 4.78252342798797 2023 4.88441268841868