Year % of female population 1960 1.43462314331094 1961 1.47856098598624 1962 1.52393218543052 1963 1.56456716064046 1964 1.60535643331726 1965 1.64454191360588 1966 1.6867138707569 1967 1.72940921382309 1968 1.75806642196544 1969 1.77118866049616 1970 1.77458170955212 1971 1.7794130135057 1972 1.79220435763505 1973 1.80543602432623 1974 1.82513885267628 1975 1.91916996920901 1976 2.02728213842056 1977 2.10863280082084 1978 2.22303206509054 1979 2.33134585060763 1980 2.36146541918849 1981 2.37412083484674 1982 2.4386140605246 1983 2.49419620199563 1984 2.54151118552951 1985 2.6017978239334 1986 2.65834041831019 1987 2.72021700901774 1988 2.76636537699214 1989 2.77413655216344 1990 2.7165411159303 1991 2.5676187332427 1992 2.30485198056478 1993 1.98488744472813 1994 1.8491705333233 1995 1.93087822126709 1996 2.12558960446337 1997 2.44140631391234 1998 2.80877954254551 1999 3.06294767756518 2000 3.20239421485969 2001 3.31263665168494 2002 3.39745383955981 2003 3.47819143081653 2004 3.54995331236452 2005 3.62220498173811 2006 3.70928773981842 2007 3.81272720056646 2008 3.91333131288886 2009 4.00982634892702 2010 4.11469738078518 2011 4.20802080614611 2012 4.27909466076062 2013 4.3490324673681 2014 4.4160337372341 2015 4.42045334958806 2016 4.33961494456277 2017 4.20347519675143 2018 4.04504421124575 2019 3.91353060227109 2020 3.80999548334712 2021 3.77586978940071 2022 3.75304101344044 2023 3.81900239589031