Year % of female population 1960 7.05622086174942 1961 7.16280656489169 1962 7.1558581083079 1963 7.10250359665318 1964 7.05166406091157 1965 6.85293767466251 1966 6.5574235942853 1967 6.30096053698098 1968 6.03657561585613 1969 5.79918577151369 1970 5.61627490875411 1971 5.45712132568536 1972 5.31185590276593 1973 5.15845204769727 1974 4.99160824860532 1975 4.84529731351202 1976 4.72416416841061 1977 4.6549084329204 1978 4.67024895642835 1979 4.75874636349381 1980 4.86716893520445 1981 4.95791183958462 1982 5.07164840665013 1983 5.25690417457146 1984 5.5208352500328 1985 5.85876980362558 1986 6.30837146562044 1987 6.74938117642613 1988 7.0165798444839 1989 7.12784609346091 1990 7.12372417157132 1991 6.99156854177056 1992 6.82726984671333 1993 6.76775576377388 1994 6.76601199260099 1995 6.78901422230209 1996 6.85514254768633 1997 6.91288489094415 1998 6.9214364169381 1999 6.92130750229292 2000 6.90858496148957 2001 6.87731280928026 2002 6.85635982729911 2003 6.86510812184802 2004 6.9046752744779 2005 6.97321810353132 2006 7.05509663881211 2007 7.1394330563933 2008 7.21986519461004 2009 7.28606993978694 2010 7.31112697107855 2011 7.31044233104391 2012 7.29720264903627 2013 7.22609270776796 2014 7.11480491742859 2015 6.99647616221678 2016 6.84185873384265 2017 6.65207900025282 2018 6.50213384706045 2019 6.39711007035739 2020 6.33133468618102 2021 6.32404985095024 2022 6.35453946085487 2023 6.38578560573692