Year % of female population 1960 1.28717520609412 1961 1.28286268592369 1962 1.26358059877998 1963 1.24734946652755 1964 1.25586065483558 1965 1.28798405122938 1966 1.32451370279775 1967 1.3585809300362 1968 1.38076598748182 1969 1.39219129397333 1970 1.3839158520513 1971 1.35810702353313 1972 1.31204581287037 1973 1.25045291547582 1974 1.21899357705882 1975 1.21746139223533 1976 1.21702215375873 1977 1.20551353230099 1978 1.17063053776109 1979 1.13069085900207 1980 1.12094062713956 1981 1.13433187494514 1982 1.14939394662368 1983 1.16740085643674 1984 1.18834687452562 1985 1.21164084756389 1986 1.23468502367466 1987 1.25527052013659 1988 1.27294119348438 1989 1.28723993676645 1990 1.29890922044434 1991 1.27857658863925 1992 1.23219263998964 1993 1.19387047515067 1994 1.16283230489304 1995 1.13828063160044 1996 1.11763564051981 1997 1.09738010362747 1998 1.07654822301564 1999 1.05477949231208 2000 1.03178163224225 2001 1.00746225217989 2002 0.981399428200426 2003 0.954341720265172 2004 0.92730051066831 2005 0.900628866622436 2006 0.874725350772478 2007 0.850002936631542 2008 0.826451722065201 2009 0.804580284026921 2010 0.785013191026346 2011 0.768453032167759 2012 0.755873983751919 2013 0.748113792045211 2014 0.746580266265812 2015 0.751710082665 2016 0.763880053276728 2017 0.783969385615433 2018 0.81169804033853 2019 0.846189892581645 2020 0.883108667850869 2021 0.919018116827423 2022 0.953968990495029 2023 0.989521657676237