Year % of female population 1960 4.54602580937193 1961 4.51873763044872 1962 4.45953888848309 1963 4.38470470202058 1964 4.32254515888785 1965 4.28168327717792 1966 4.25867927573467 1967 4.25576433255374 1968 4.26352624040525 1969 4.2657071834509 1970 4.26211118025568 1971 4.25011135597698 1972 4.22262076099985 1973 4.19449769956271 1974 4.19230961353462 1975 4.21580952849184 1976 4.27343995496442 1977 4.37962060920267 1978 4.49638764536661 1979 4.56246239641047 1980 4.57297242324162 1981 4.53614552393528 1982 4.45444225497852 1983 4.35725271595856 1984 4.28412486092533 1985 4.25822736443944 1986 4.2851981169224 1987 4.37416536443653 1988 4.51405612931546 1989 4.68778731046441 1990 4.90839510595178 1991 5.15418079290183 1992 5.37599436297493 1993 5.57912611933143 1994 5.77723183865258 1995 5.94534281311936 1996 6.08804774973208 1997 6.23275242892616 1998 6.37332909899005 1999 6.50211185591564 2000 6.57495352353601 2001 6.58552344647396 2002 6.56872251082689 2003 6.530876510832 2004 6.47777241131079 2005 6.41744534743838 2006 6.3591439859825 2007 6.30786401022689 2008 6.27205731628765 2009 6.25441104238784 2010 6.26056206998152 2011 6.2772862981505 2012 6.28655554836294 2013 6.29220201108191 2014 6.29599424145127 2015 6.30036977903861 2016 6.31265016917616 2017 6.34385491029971 2018 6.40178370419216 2019 6.4924659098124 2020 6.62434228181007 2021 6.80029951222756 2022 7.0082745107987 2023 7.23558006314767