Year % of female population 1960 1.40316344333183 1961 1.42466167013526 1962 1.4421286275444 1963 1.45820771814471 1964 1.476749808847 1965 1.4983273096568 1966 1.52267226286456 1967 1.55038913202765 1968 1.57831492172261 1969 1.60044496269432 1970 1.61539855119254 1971 1.62409482837806 1972 1.62579756803722 1973 1.62354847235619 1974 1.62346961293356 1975 1.62847809314313 1976 1.63810714492856 1977 1.65242768351144 1978 1.66895446516823 1979 1.68254284728346 1980 1.69132975993184 1981 1.6954612722208 1982 1.69469221993595 1983 1.69006512695501 1984 1.68314135294512 1985 1.67479689962971 1986 1.66493103995503 1987 1.65333778568148 1988 1.64084347977713 1989 1.62859218117417 1990 1.61636381682632 1991 1.60481989685186 1992 1.59497867081378 1993 1.58538452851883 1994 1.57360807235982 1995 1.55998597207401 1996 1.54509091104389 1997 1.52851501071533 1998 1.512286647573 1999 1.49943929857248 2000 1.49035916348978 2001 1.4845930478419 2002 1.48071966360255 2003 1.47616217597344 2004 1.47081470076909 2005 1.47263692854863 2006 1.48313078065506 2007 1.49501699809063 2008 1.5072600544627 2009 1.51874915636708 2010 1.52787271918467 2011 1.53644769113043 2012 1.54730488646059 2013 1.56211006811943 2014 1.58274532952055 2015 1.61261555044327 2016 1.65158064052926 2017 1.69727946111835 2018 1.74928359359785 2019 1.80702667186637 2020 1.86885568389018 2021 1.93258216434158 2022 2.00083190610251 2023 2.07444660277749