Year % of female population 1960 1.28214687861293 1961 1.27844518760646 1962 1.27825261823644 1963 1.28151743345005 1964 1.28846992808236 1965 1.29932633605384 1966 1.31392503686145 1967 1.33286611869742 1968 1.35681921551243 1969 1.38407820369248 1970 1.41210735478251 1971 1.44068959779291 1972 1.46857976382562 1973 1.49569758733956 1974 1.52299936339538 1975 1.5488119026985 1976 1.57414724195171 1977 1.60153541615058 1978 1.62848903687992 1979 1.64826727768251 1980 1.66140353146843 1981 1.66849320742045 1982 1.66799658697679 1983 1.66519882018957 1984 1.66892439452523 1985 1.68218990169648 1986 1.7039208371588 1987 1.73512173012396 1988 1.7738768049864 1989 1.81583460422002 1990 1.8578678582828 1991 1.90053593289729 1992 1.94456296190198 1993 1.987843712315 1994 2.0262269946182 1995 2.05885961436221 1996 2.08635757910435 1997 2.1088222079278 1998 2.12849164072263 1999 2.1503300746084 2000 2.17650424696712 2001 2.2070854970331 2002 2.2444765540336 2003 2.28648672797206 2004 2.32788935571977 2005 2.36918808874651 2006 2.41330943875606 2007 2.46033420503608 2008 2.51224999202046 2009 2.57466227811117 2010 2.65014681272762 2011 2.73767957299399 2012 2.83649899849249 2013 2.94563670585357 2014 3.06311247388446 2015 3.17715243492007 2016 3.28502674057024 2017 3.3932594869695 2018 3.50148413962442 2019 3.60897832914919 2020 3.72799037554676 2021 3.86021988058477 2022 3.99751826122308 2023 4.14733604187441