Year % of female population 1960 2.85004278250105 1961 2.84629310725482 1962 2.85235763978356 1963 2.86651657557979 1964 2.87401381878767 1965 2.87520326499378 1966 2.87371535347244 1967 2.87565043565837 1968 2.88398104833873 1969 2.90628663270347 1970 2.9499423499467 1971 3.02686503264476 1972 3.13827956536092 1973 3.26850724798052 1974 3.41341708816011 1975 3.51958998178142 1976 3.54242913174085 1977 3.52163251573833 1978 3.48798483373469 1979 3.44247731455041 1980 3.38919082125604 1981 3.34525615336117 1982 3.34965793113761 1983 3.39980733382542 1984 3.44931673971965 1985 3.47800237812128 1986 3.48730848387834 1987 3.49104883663413 1988 3.49150467826295 1989 3.47745719980132 1990 3.43701009594281 1991 3.38659104820677 1992 3.34701062365965 1993 3.31795991462846 1994 3.30309938400349 1995 3.30516600743138 1996 3.32527636583372 1997 3.37264869170044 1998 3.44424309443444 1999 3.52848898456465 2000 3.62510901944794 2001 3.73078217932892 2002 3.84773937651804 2003 3.96965165863654 2004 4.08180134902791 2005 4.18772048213923 2006 4.28872347856457 2007 4.36655666281924 2008 4.42916507631023 2009 4.49254885233665 2010 4.54189879171644 2011 4.5588042823862 2012 4.54651482243659 2013 4.50533208798202 2014 4.44306685433509 2015 4.38059776592533 2016 4.33949111188567 2017 4.34930376660543 2018 4.41802100338686 2019 4.52249925307684 2020 4.63077719370723 2021 4.72281942106171 2022 4.77308796682782 2023 4.77798267975629