Year % of female population 1960 3.20517125587643 1961 3.05707405961213 1962 2.92100824439996 1963 2.78235904953882 1964 2.65018190422669 1965 2.53862344468149 1966 2.44382528659154 1967 2.37053930775423 1968 2.3195775981734 1969 2.25637425727681 1970 2.17796610169492 1971 2.10463580802356 1972 2.03842337873185 1973 1.9824483182357 1974 1.92979328138274 1975 1.8855900055637 1976 1.85915328011243 1977 1.85012481748387 1978 1.97530412177686 1979 2.44682682809682 1980 2.83045899819123 1981 2.90106555518739 1982 2.97559940589858 1983 3.04957101214709 1984 3.1212099306844 1985 3.19539475739682 1986 3.27174135927639 1987 3.34773457405561 1988 3.42237001817124 1989 3.49722653029858 1990 3.5299079598098 1991 3.52289150236671 1992 3.52050342746755 1993 3.51551183383507 1994 3.50933221964956 1995 3.50021569285338 1996 3.48549610286336 1997 3.46142429846793 1998 3.43101737802499 1999 3.39483836564569 2000 3.41143014791706 2001 3.46322359311385 2002 3.49123919366364 2003 3.5181743739611 2004 3.54926911347145 2005 3.58346580393729 2006 3.61394828511401 2007 3.63830759470646 2008 3.65803001194247 2009 3.68499457716671 2010 3.67596191856635 2011 3.62619121305783 2012 3.57421637502599 2013 3.52884891397952 2014 3.49105575680621 2015 3.45736247635501 2016 3.43052014323764 2017 3.4148659758767 2018 3.42050202122113 2019 3.44417227803286 2020 3.48122205903714 2021 3.53242283167487 2022 3.5950317824327 2023 3.66707956513373