Year % of female population 1960 6.23070067249435 1961 6.00205218411023 1962 5.73849029310456 1963 5.55839321573758 1964 5.48242014379042 1965 5.46712062126675 1966 5.47926730103693 1967 5.49170892094696 1968 5.48685387454804 1969 5.44858339803673 1970 5.37458985733797 1971 5.29235243794012 1972 5.25022827593711 1973 5.28564611221891 1974 5.40159699389385 1975 5.57578345572286 1976 5.78436401676452 1977 6.02033571934102 1978 6.28197360420227 1979 6.56539693963228 1980 6.89215370052978 1981 7.26335943215603 1982 7.61006057780014 1983 7.8729262266149 1984 8.03999052866373 1985 8.12919606406981 1986 8.19754312238136 1987 8.27965726528977 1988 8.37040334956331 1989 8.47361126718358 1990 8.57148936878859 1991 8.65009724340069 1992 8.73294424205535 1993 8.83416417886592 1994 8.93831886100165 1995 9.01657364834921 1996 9.02602157970563 1997 8.92747143398679 1998 8.72505768003123 1999 8.44216019346998 2000 8.11975327610842 2001 7.8038188432661 2002 7.53701592230497 2003 7.3638052482085 2004 7.29510327155484 2005 7.31837323370846 2006 7.42576479212252 2007 7.59909892974409 2008 7.79858818393367 2009 7.98315380153694 2010 8.11558313922444 2011 8.15699432206647 2012 8.08030421997444 2013 7.88997366423591 2014 7.61951293593737 2015 7.31639686068084 2016 7.03211614606247 2017 6.81407245621463 2018 6.6966132930652 2019 6.69319586339726 2020 6.80791407643739 2021 6.98999496936786 2022 7.20946384451605 2023 7.42763728301795