Year % of female population 1960 3.1391308486839 1961 3.0994581687942 1962 3.06990342872331 1963 3.0506876901324 1964 3.03275794021728 1965 3.01321301965839 1966 3.00095671359119 1967 2.99070022917969 1968 2.97497563756045 1969 2.95655277009546 1970 2.93532252202357 1971 2.91030213310006 1972 2.88303940208484 1973 2.8541310632317 1974 2.82472686525353 1975 2.78971586508527 1976 2.74785601946645 1977 2.70983074426154 1978 2.68638184999153 1979 2.68089536699636 1980 2.68209938136101 1981 2.68544843628845 1982 2.68553277505053 1983 2.68041237113402 1984 2.67276952995304 1985 2.65758131276446 1986 2.63633202077654 1987 2.61134531792665 1988 2.58443998462787 1989 2.55513068985386 1990 2.52699784017279 1991 2.50252474247627 1992 2.42549832247878 1993 2.29313785692355 1994 2.19234224118572 1995 2.18610485924067 1996 2.26120285722145 1997 2.3773684738681 1998 2.52941603718768 1999 2.74156042743008 2000 3.00817704290691 2001 3.24667135109814 2002 3.42276920859161 2003 3.56420626895854 2004 3.6844441625975 2005 3.81566853825223 2006 3.98481105316131 2007 4.14985537684924 2008 4.28108730151365 2009 4.41799362312878 2010 4.53965992388594 2011 4.55790388767889 2012 4.56358079904591 2013 4.61609878377124 2014 4.60354745038563 2015 4.56027258495257 2016 4.58491863396745 2017 4.61492139670259 2018 4.62284453403797 2019 4.67662321225161 2020 4.68901497468309 2021 4.60050148489321 2022 4.52295824013245 2023 4.5017310996189