Year % of female population 1960 4.573107096546614 1961 4.535747695946068 1962 4.51630330304069 1963 4.4871653107464615 1964 4.458475479384452 1965 4.45089481433562 1966 4.470468523885004 1967 4.510749744342873 1968 4.5542318617770965 1969 4.5952811745493785 1970 4.637211829593338 1971 4.685413259302829 1972 4.733672708065247 1973 4.7916806692686 1974 4.865650367227986 1975 4.944742658576274 1976 5.021441033830247 1977 5.10411192090698 1978 5.2025485012350545 1979 5.3131503453330335 1980 5.418875666284765 1981 5.515312674101278 1982 5.6042649226419705 1983 5.687161708360576 1984 5.77249541622477 1985 5.869754688566569 1986 5.971009565455162 1987 6.0669314722742 1988 6.168280316035071 1989 6.285189691836611 1990 6.405089376386633 1991 6.520817647071737 1992 6.648041060897954 1993 6.7980270203669 1994 6.956411077725912 1995 7.1206989933863065 1996 7.289426442772581 1997 7.46358703170496 1998 7.6610242683602285 1999 7.8660306434382 2000 8.069637125516921 2001 8.280205974151313 2002 8.486690838397974 2003 8.680197032757109 2004 8.857327536077191 2005 9.035541786993562 2006 9.22810395686811 2007 9.416437338188576 2008 9.588753844535598 2009 9.758650904407741 2010 9.93629906805421 2011 10.130830395436012 2012 10.36265954685967 2013 10.640268615164914 2014 10.958703073849293 2015 11.32616909582886 2016 11.717667100280345 2017 12.147707261245717 2018 12.612839926891798 2019 13.086467566095127 2020 13.583407683051139 2021 14.052252679245491 2022 14.531985509503352 2023 15.01118444923778