Year % of female population 1960 2.45704431195913 1961 2.52317395855089 1962 2.59907794061116 1963 2.66817135029529 1964 2.71355938496081 1965 2.74674732880905 1966 2.78894745439292 1967 2.82621765603628 1968 2.86556104916643 1969 2.92299618899531 1970 2.99542325813722 1971 3.06581982860009 1972 3.12668544431092 1973 3.19305933291641 1974 3.26147314103472 1975 3.33727370069241 1976 3.42728149159937 1977 3.52764669382911 1978 3.61800177428249 1979 3.69997416200792 1980 3.77757582775033 1981 3.84728392030574 1982 3.92371546929687 1983 4.0142737417366 1984 4.11361497166868 1985 4.18803584990929 1986 4.23773574751511 1987 4.28381891572557 1988 4.31013067864991 1989 4.30800690914988 1990 4.28482176966365 1991 4.24937888227324 1992 4.21032080840465 1993 4.1643866361226 1994 4.11909914313031 1995 4.18371086717011 1996 4.32492132053043 1997 4.39836378990854 1998 4.429262663189 1999 4.44995983558846 2000 4.37699679798832 2001 4.22964421026619 2002 4.11383149215055 2003 4.03384121688656 2004 3.95856682226051 2005 3.88512554750828 2006 3.82470683239455 2007 3.76938739122494 2008 3.6978958514891 2009 3.6229360610199 2010 3.559927380055 2011 3.52096664244851 2012 3.51789465878393 2013 3.55152812499288 2014 3.62520176951739 2015 3.69620438483096 2016 3.75585932385367 2017 3.85908317152168 2018 4.02884587245506 2019 4.23985007117662 2020 4.47620328267076 2021 4.70376544180736 2022 4.87781525979163 2023 4.97562101908559