Year % of female population 1960 3.68474693335505 1961 3.66299763624498 1962 3.63780489111223 1963 3.60798195094023 1964 3.5747168358043 1965 3.53942708009694 1966 3.50122805531694 1967 3.4607225182419 1968 3.41720398089719 1969 3.37197284245416 1970 3.32584201546762 1971 3.2789161150271 1972 3.23321341823404 1973 3.18822297329462 1974 3.14218850436677 1975 3.09614968392928 1976 3.05103005478803 1977 2.99136916437819 1978 2.9240321811539 1979 2.86341585264846 1980 2.8040670111542 1981 2.72493334878869 1982 2.65900603964795 1983 2.63096671377804 1984 2.6097637591191 1985 2.61818864730322 1986 2.64830355561096 1987 2.67856012998616 1988 2.72747090382822 1989 2.78566452295014 1990 2.85576063379462 1991 2.94477540898451 1992 3.04017531503228 1993 3.12823051424959 1994 3.21629701589908 1995 3.32340806081177 1996 3.4228275471296 1997 3.48960220840126 1998 3.54159221301239 1999 3.5694820563811 2000 3.56172285724453 2001 3.54817611834109 2002 3.53786008608111 2003 3.52744621379731 2004 3.51640361317209 2005 3.50506175803367 2006 3.49426191764164 2007 3.48247431293032 2008 3.4970012172181 2009 3.52801495120877 2010 3.54539427160904 2011 3.55548467983017 2012 3.55337799365945 2013 3.54218089069804 2014 3.53177498960319 2015 3.52471945402204 2016 3.52179949965957 2017 3.52721625424718 2018 3.5391791697194 2019 3.56986633028829 2020 3.61704882309719 2021 3.68138058641947 2022 3.76992040508436 2023 3.88672041285455