Year % of female population 1960 0.56986266310205 1961 0.5701284126102201 1962 0.5720448666842192 1963 0.5734797557790511 1964 0.5751011349428998 1965 0.5767587208255373 1966 0.5780486564716406 1967 0.5788395916224429 1968 0.5800003361825136 1969 0.5815758491840897 1970 0.582443296746347 1971 0.582446897824564 1972 0.5825304903291916 1973 0.5828139633471604 1974 0.5821666720826215 1975 0.5804468031783716 1976 0.5790990355511283 1977 0.5779726546956401 1978 0.576363272039527 1979 0.57508501644447 1980 0.5724069378729721 1981 0.5691215097431799 1982 0.5681880984953077 1983 0.568406397025956 1984 0.569185592969031 1985 0.5705610282153446 1986 0.5713316991171602 1987 0.5719279868188136 1988 0.5736282293520674 1989 0.5750218995096508 1990 0.5758959425237666 1991 0.5767199789523252 1992 0.5770189454935112 1993 0.577469710811464 1994 0.5777287074148196 1995 0.5773674588095029 1996 0.5766139423453376 1997 0.5754046317866947 1998 0.5732372899985936 1999 0.5706056375193652 2000 0.568284175615889 2001 0.5661948027769094 2002 0.5643886680799256 2003 0.5628485725605609 2004 0.5611786905721566 2005 0.559568657394063 2006 0.5583484115249006 2007 0.5573282024923724 2008 0.5564640590611167 2009 0.5557506104461408 2010 0.5547075285008386 2011 0.5532170144728208 2012 0.5519084983694128 2013 0.5508206662991462 2014 0.549442434806661 2015 0.5480078525863141 2016 0.5468347000215071 2017 0.5459798167863376 2018 0.5455035425208148 2019 0.5456522071146417 2020 0.5447309532699045 2021 0.5408684010031908 2022 0.5363352000883927 2023 0.5316601559953613