Year % of female population 1960 2.81818245936577 1961 2.81539306639579 1962 2.81155122776696 1963 2.80650948851565 1964 2.80191273786395 1965 2.79738971482357 1966 2.79268075390914 1967 2.78859093492616 1968 2.78810532866475 1969 2.7902896685567 1970 2.7914519928855 1971 2.79116685917505 1972 2.79022043711968 1973 2.78798851867967 1974 2.78322190885273 1975 2.77619067439071 1976 2.76693782005492 1977 2.7547580965772 1978 2.73731798582506 1979 2.71232291365838 1980 2.67509439823667 1981 2.62860019359543 1982 2.57965047068109 1983 2.54206093545133 1984 2.50489128725449 1985 2.4723225404964 1986 2.45094776069788 1987 2.43776635386953 1988 2.41920718929473 1989 2.40028113912691 1990 2.40228276141751 1991 2.41419255399538 1992 2.43704387784297 1993 2.45025286436478 1994 2.45716001352823 1995 2.50773695260223 1996 2.61647664788829 1997 2.72190654800272 1998 2.79224614154211 1999 2.82931633478082 2000 2.84302350441761 2001 2.86031258925569 2002 2.87426368246861 2003 2.88285565200274 2004 2.89880012126968 2005 2.9109289461681 2006 2.90487708459543 2007 2.88551417807221 2008 2.85376089559445 2009 2.81303109491844 2010 2.76718049236251 2011 2.7189200449014 2012 2.67138530102043 2013 2.62745229183377 2014 2.58963549187977 2015 2.55926198516304 2016 2.53654782292339 2017 2.51999478040486 2018 2.50952607672658 2019 2.50807673018639 2020 2.51736971687656 2021 2.53769569662365 2022 2.56976092813264 2023 2.61434035905772