Year % of female population 1960 2.71671609910894 1961 2.64373157106055 1962 2.55182353360451 1963 2.44597929746566 1964 2.33380279315825 1965 2.21922873330965 1966 2.10333619157348 1967 1.98935011358021 1968 1.88696368981614 1969 1.80744547293754 1970 1.75641099947889 1971 1.73118141260677 1972 1.73139793366737 1973 1.75943376471081 1974 1.81476921598491 1975 1.89190809240375 1976 1.98790328999932 1977 2.09861017475823 1978 2.2150363610514 1979 2.32738299617141 1980 2.42783831561172 1981 2.51889293230079 1982 2.60353831308477 1983 2.67549460869927 1984 2.7281310664633 1985 2.76255467067836 1986 2.78111241782796 1987 2.78445259646597 1988 2.7790732766844 1989 2.77549586950357 1990 2.77566527867752 1991 2.77992435392388 1992 2.78988483407171 1993 2.80212386658106 1994 2.81034138581031 1995 2.80478752809968 1996 2.79167536691374 1997 2.78280062511496 1998 2.77637344618514 1999 2.77594225245962 2000 2.78715891104841 2001 2.80182010016624 2002 2.81043969642946 2003 2.82556458761297 2004 2.86710499906949 2005 2.94506337507104 2006 3.05612227504912 2007 3.19263813424353 2008 3.34773964196428 2009 3.5029317177714 2010 3.6474297053298 2011 3.78295739603925 2012 3.91126669195625 2013 4.03644606197486 2014 4.15876426451553 2015 4.27661672272036 2016 4.3920882350631 2017 4.50700381511116 2018 4.61428636049916 2019 4.70824138176129 2020 4.78106303426649 2021 4.83179508423845 2022 4.8608987534803 2023 4.87598478858855