Year % of female population 1960 2.7714319242754564 1961 2.786920776749684 1962 2.8250922145729613 1963 2.8721983494043646 1964 2.908393383344521 1965 2.9270623838282783 1966 2.9313866703237146 1967 2.920974947040991 1968 2.9013665601848695 1969 2.88239866475856 1970 2.8672347242188807 1971 2.8544641820949637 1972 2.845130608088465 1973 2.838393575951973 1974 2.8314315660616036 1975 2.8239008106508257 1976 2.8160177274002423 1977 2.807315510281404 1978 2.798786186221083 1979 2.7916159872356183 1980 2.7860209315606395 1981 2.782515492361033 1982 2.7814718303452355 1983 2.7832454134475335 1984 2.788362715623845 1985 2.7959085396602656 1986 2.805199985262987 1987 2.8163640322550356 1988 2.828306594446722 1989 2.8387693570547845 1990 2.846800894718332 1991 2.855124610635842 1992 2.865332239476168 1993 2.873904674892946 1994 2.876004794100312 1995 2.871649868638823 1996 2.86212547113359 1997 2.8483307708655228 1998 2.835527744086591 1999 2.831185569247948 2000 2.837652234224207 2001 2.8543898630922353 2002 2.8814360520825146 2003 2.914867775137689 2004 2.9736920711148294 2005 3.060523029183885 2006 3.156416922782152 2007 3.2610887442070724 2008 3.3746344289874326 2009 3.4760078940187564 2010 3.558777281149403 2011 3.6365460975407378 2012 3.7076119152982594 2013 3.7704751900222124 2014 3.8254219412998802 2015 3.8762794976086874 2016 3.924506381191627 2017 3.9703156263860206 2018 4.015516225091509 2019 4.060336794089495 2020 4.099856623379383 2021 4.132756375497016 2022 4.168556406476701 2023 4.214640064561675