Year % of female population 1960 10.7030876175741 1961 10.6505387436398 1962 10.5641294673018 1963 10.4397520366445 1964 10.2649579469242 1965 10.0493731974214 1966 9.85655789685272 1967 9.7339298917783 1968 9.68403140622586 1969 9.7162949738832 1970 9.8360210335271 1971 10.000390573911 1972 10.1531800309637 1973 10.291528661508 1974 10.422405665941 1975 10.5450294817485 1976 10.6557184841006 1977 10.7445438692688 1978 10.8029246514781 1979 10.8300681223718 1980 10.8230652582002 1981 10.7653160700429 1982 10.6547347242837 1983 10.50961751181 1984 10.3478674417676 1985 10.2014863241654 1986 10.0813059030135 1987 9.98080439382187 1988 9.90219175011992 1989 9.84407063353423 1990 9.80409090151649 1991 9.7768886671916 1992 9.75274521743603 1993 9.76395041768724 1994 9.82504421581929 1995 9.92124652769886 1996 10.0608527941224 1997 10.2379986223647 1998 10.4334207871021 1999 10.6204323827199 2000 10.7840049547684 2001 10.9100507279658 2002 10.994678507146 2003 11.061553064359 2004 11.1307679718618 2005 11.2025955438399 2006 11.2619868423941 2007 11.2954149203862 2008 11.2839942395925 2009 11.232064602956 2010 11.1558564770556 2011 11.0578338112871 2012 10.9452354917353 2013 10.8500828225243 2014 10.7872902675747 2015 10.7432574340898 2016 10.7189968415228 2017 10.7126786538866 2018 10.7007671842161 2019 10.6624977147576 2020 10.6038583053899 2021 10.5263808059926 2022 10.4490855426735 2023 10.3921020415832