Year % of female population 1960 9.53425789916673 1961 9.51934269493132 1962 9.54472736583679 1963 9.65578165136213 1964 9.86189903157412 1965 10.1624532131297 1966 10.5032888823653 1967 10.796836722891 1968 11.0028496187578 1969 11.113774082249 1970 11.1299350112562 1971 11.1001734346505 1972 11.0813665892346 1973 11.0678106041035 1974 11.0522969785547 1975 11.0364003532162 1976 11.0203130388124 1977 11.0036677688041 1978 10.9888382580439 1979 10.9758730459633 1980 10.9628392107283 1981 10.9541114788753 1982 10.9608969274734 1983 10.9909131326077 1984 11.0453165220881 1985 11.1261495447121 1986 11.2313458917275 1987 11.3486476547123 1988 11.4699156739471 1989 11.5895655401831 1990 11.697123069598 1991 11.7864309890284 1992 11.8567254691805 1993 11.9065054482903 1994 11.9409234744845 1995 11.9660078356522 1996 11.9582173588517 1997 11.9248512526338 1998 11.8886364751007 1999 11.8394598599783 2000 11.777623363475 2001 11.7078937190631 2002 11.6318860828641 2003 11.563097360249 2004 11.5053536533562 2005 11.4772925620587 2006 11.4776456396681 2007 11.4688607262986 2008 11.4349759855107 2009 11.3692970295288 2010 11.2713376799624 2011 11.1404454585969 2012 10.9732542780309 2013 10.7750379115202 2014 10.5630252047477 2015 10.3459484160333 2016 10.1265773960869 2017 9.91818499473587 2018 9.72622012585315 2019 9.54513289549935 2020 9.38009486805746 2021 9.23508810300123 2022 9.10936119082847 2023 9.00573843255824