Year % of female population 1960 1.33464557587071 1961 1.35336090761657 1962 1.3797373044424 1963 1.41110191054969 1964 1.44826907564598 1965 1.49324546894377 1966 1.54371834900416 1967 1.59581123717351 1968 1.64272322092039 1969 1.68016412960927 1970 1.70974670395319 1971 1.73348463952799 1972 1.75969223597834 1973 1.79784571020696 1974 1.85096925281853 1975 1.91596354510633 1976 1.99008452658962 1977 2.07126368283973 1978 2.16317049016612 1979 2.26823351294397 1980 2.36953569858328 1981 2.4531118311158 1982 2.50895301908225 1983 2.53519675209995 1984 2.57496604473786 1985 2.65099365150578 1986 2.74645596915894 1987 2.84835760757688 1988 2.95618709919974 1989 3.06731047960329 1990 3.17473752475141 1991 3.29116735727036 1992 3.42388475534915 1993 3.53442458245952 1994 3.59015851954775 1995 3.56535149961555 1996 3.44235526363891 1997 3.27643171241959 1998 3.14989372812818 1999 3.16871155317489 2000 3.32002678784332 2001 3.51415292431806 2002 3.71791841315553 2003 3.90308596416001 2004 4.08959591953081 2005 4.28282564370092 2006 4.47971603162644 2007 4.6650878621321 2008 4.83545649419052 2009 5.018200042203 2010 5.23322960904136 2011 5.48041601623945 2012 5.72978822398458 2013 5.98949535626912 2014 6.25278513013235 2015 6.47574716613352 2016 6.69279163474512 2017 6.90978557865975 2018 7.10016389827468 2019 7.2910285866146 2020 7.43790041386649 2021 7.53280752963946 2022 7.61290899922242 2023 7.65723667930849