Year % of female population 1960 3.853801071227442 1961 3.844039873798726 1962 3.830321381683738 1963 3.815260021150947 1964 3.803375039119892 1965 3.7961732459778013 1966 3.7919914570070055 1967 3.7899053212886096 1968 3.7890941103669116 1969 3.7878049582808684 1970 3.7855689656589915 1971 3.784496679820459 1972 3.7835421982618698 1973 3.7804710717813905 1974 3.773046627732795 1975 3.7597849619770796 1976 3.7402001483031837 1977 3.7143161343316273 1978 3.684309046537729 1979 3.652918091157811 1980 3.6233859805442576 1981 3.5976000073557803 1982 3.5756317358857808 1983 3.556743340861785 1984 3.534875070314358 1985 3.5094641307201484 1986 3.48300057776857 1987 3.454344039800617 1988 3.4262537694461837 1989 3.4059440617349845 1990 3.3954588396236107 1991 3.3916326614824754 1992 3.3928516555105785 1993 3.393621881843737 1994 3.3942263000321926 1995 3.40454101175358 1996 3.426020422029057 1997 3.4546195558076156 1998 3.4961600309106373 1999 3.5479831403084576 2000 3.5960663818793783 2001 3.6388101550861096 2002 3.678344465942363 2003 3.713658178295682 2004 3.7458077212104057 2005 3.774421765715514 2006 3.798717264272778 2007 3.818800903056134 2008 3.8336632280509666 2009 3.8427035749705416 2010 3.848403012417876 2011 3.8531694263827188 2012 3.8603680129094764 2013 3.872767568645702 2014 3.889897118572427 2015 3.9116526262648175 2016 3.9390665511554275 2017 3.971038116754691 2018 4.003453246914358 2019 4.035131530563669 2020 4.067434312567434 2021 4.100299301940626 2022 4.134259615640484 2023 4.174407962347997