Year % of female population 1960 0.669505598747259 1961 0.688651587032203 1962 0.707885980230542 1963 0.729772454278371 1964 0.743678464784652 1965 0.75173208396547 1966 0.756087994917653 1967 0.75122085966448 1968 0.742632282493741 1969 0.739666317130786 1970 0.741977361766187 1971 0.749360375885806 1972 0.783266526903352 1973 0.846272890384746 1974 0.92005692998079 1975 1.0052921120338 1976 1.10177173587843 1977 1.20771028939445 1978 1.32049511701754 1979 1.43672037921314 1980 1.55259639304015 1981 1.62471874836482 1982 1.65019616302428 1983 1.66498829436019 1984 1.66812666815034 1985 1.66008364563655 1986 1.64165377157576 1987 1.61429310728391 1988 1.57964517998602 1989 1.55185387247851 1990 1.57066994927792 1991 1.6085759468893 1992 1.62711937413516 1993 1.64244454545387 1994 1.65757983851352 1995 1.67141366848712 1996 1.68206262511484 1997 1.68858082807329 1998 1.6912223448673 1999 1.69088832984159 2000 1.68874407497388 2001 1.68466440229036 2002 1.67877067812982 2003 1.67199942757257 2004 1.66497325404178 2005 1.65766296264987 2006 1.64843760093281 2007 1.63417670768751 2008 1.61846017527019 2009 1.61517970047393 2010 1.62229124139052 2011 1.63399810000531 2012 1.65442288337527 2013 1.68089529233159 2014 1.70316391417846 2015 1.72580480827471 2016 1.76059736462413 2017 1.80941157692339 2018 1.87286438834749 2019 1.9496832473081 2020 2.0394998104635 2021 2.13559946237732 2022 2.23658227305455 2023 2.34000914396106