Year % of female population 1960 3.99211434204041 1961 3.96957872678662 1962 3.94456819374885 1963 3.91892785428173 1964 3.89632991520074 1965 3.87815432358862 1966 3.86618196109255 1967 3.85957939207057 1968 3.85380329761337 1969 3.83957298815302 1970 3.81430949454721 1971 3.78447135764359 1972 3.75297708250748 1973 3.71963863537305 1974 3.68604450344223 1975 3.6503798935812 1976 3.60767551190231 1977 3.56564956079519 1978 3.52950114502574 1979 3.49526849968361 1980 3.46192231986915 1981 3.43178324746179 1982 3.40423418697837 1983 3.35377131788591 1984 3.28462447914809 1985 3.22043453523747 1986 3.16039721651272 1987 3.10680487347526 1988 3.0612198317379 1989 3.02411555774371 1990 2.99607936168365 1991 2.97682130699976 1992 2.96659139278985 1993 2.96580732597117 1994 2.97268035854625 1995 2.98696840138173 1996 3.00608496393621 1997 3.02405554959962 1998 3.04277873174054 1999 3.10198780819163 2000 3.16850858859355 2001 3.21716838418194 2002 3.29449746384887 2003 3.39729490975693 2004 3.47952075510148 2005 3.51422432644034 2006 3.49451869307193 2007 3.41339992986389 2008 3.29604808377068 2009 3.18426738110865 2010 3.12598848310004 2011 3.16592520474304 2012 3.28199523663521 2013 3.41040892444721 2014 3.51191067280284 2015 3.55798002298102 2016 3.53854487735274 2017 3.46954730104919 2018 3.37892872608644 2019 3.29146091189285 2020 3.22903699447796 2021 3.19904083891579 2022 3.19615162155926 2023 3.21192579864884