Year % of female population 1960 3.81374966087649 1961 3.92939789216862 1962 4.19167546136064 1963 4.5491321152327 1964 4.92087888718112 1965 5.26138791569056 1966 5.56201437214677 1967 5.8123569068412 1968 6.01492281026079 1969 6.18526810300508 1970 6.33384993822943 1971 6.45480923609804 1972 6.54715489066512 1973 6.62054887448362 1974 6.68672098385857 1975 6.75071141343081 1976 6.82582965955589 1977 6.90879700605178 1978 6.9604476520201 1979 6.93255714456713 1980 6.80185903232594 1981 6.54710933525432 1982 6.17838849809553 1983 5.76458662155746 1984 5.38804529372779 1985 5.1213879813132 1986 5.02003746437447 1987 5.10185236259026 1988 5.33183647479594 1989 5.63176406447479 1990 5.93858758548771 1991 6.22020256970926 1992 6.50697031974272 1993 6.80105352836901 1994 7.06360109102477 1995 7.25178377713918 1996 7.29736618966235 1997 7.28917080073781 1998 7.28137203026113 1999 7.26129240880908 2000 7.24726675125054 2001 7.27111892655735 2002 7.28392793178361 2003 7.24718853228883 2004 7.16986736700159 2005 7.0513586476274 2006 6.88773994318998 2007 6.76280834175097 2008 6.70463356978678 2009 6.6595063132715 2010 6.61490999067283 2011 6.58839614728135 2012 6.58700103700291 2013 6.57874842729938 2014 6.58725285992123 2015 6.6513041939106 2016 6.72727231752245 2017 6.7661660589816 2018 6.78143295031339 2019 6.79829587447661 2020 6.82333928390267 2021 6.85107650010492 2022 6.89179743712739 2023 6.95988163049395