Year % of female population 1960 1.80744843670286 1961 1.82454821101803 1962 1.84365030490205 1963 1.86454307775567 1964 1.88630852979791 1965 1.90900641102028 1966 1.93289060413194 1967 1.95817297012183 1968 1.98580129842105 1969 2.01654496191819 1970 2.05103265453326 1971 2.08830662872639 1972 2.12725378613592 1973 2.16794502305994 1974 2.20978693627893 1975 2.25235283528848 1976 2.29660429943905 1977 2.34342684880984 1978 2.39348999780704 1979 2.44792650769419 1980 2.50665293158211 1981 2.56984727541486 1982 2.63746611367881 1983 2.70738399500795 1984 2.77697111562842 1985 2.84593612440075 1986 2.91393658525904 1987 2.97922587794787 1988 3.04554980409301 1989 3.12341391724627 1990 3.21537988708325 1991 3.32175711224847 1992 3.44295189323392 1993 3.56848987186743 1994 3.68012788339067 1995 3.77313389371377 1996 3.85207092744128 1997 3.91576170460529 1998 3.97407712264397 1999 4.04668541984938 2000 4.14229683558959 2001 4.25876601018335 2002 4.39345321927687 2003 4.54137305327163 2004 4.69494763163947 2005 4.85059912557613 2006 5.00706315046443 2007 5.16117224298195 2008 5.31117089399857 2009 5.45357623556977 2010 5.58625259276331 2011 5.71002279985953 2012 5.82468254982811 2013 5.92890889050487 2014 6.02221505797482 2015 6.10196815403028 2016 6.16817116087544 2017 6.22518099943028 2018 6.27509929500125 2019 6.31870981197522 2020 6.37286797997197 2021 6.37225713845847 2022 6.35919478423948 2023 6.40135735691815