Year % of female population 1960 1.8137309446979 1961 1.85002736726875 1962 1.902407566638 1963 1.88679245283019 1964 1.82062687493535 1965 1.71399594320487 1966 1.60023854487626 1967 1.51086850570231 1968 1.43348623853211 1969 1.42669419936174 1970 1.50095515327936 1971 1.50492994291645 1972 1.41663937111038 1973 1.33581857719789 1974 1.26236527388159 1975 1.23092072870507 1976 1.29014917349819 1977 1.3903192584964 1978 1.47996779986377 1979 1.53387048642196 1980 1.50561025875887 1981 1.45562000656671 1982 1.45981582251988 1983 1.46248622658519 1984 1.48329493087558 1985 1.52003684937817 1986 1.53600991545306 1987 1.52057245080501 1988 1.51428102429416 1989 1.53220392528531 1990 1.52493111387914 1991 1.4871758028594 1992 1.41428669269228 1993 1.29797946773033 1994 1.16282704510644 1995 1.07472159022872 1996 1.03652233834846 1997 1.03195187903537 1998 1.06804112755387 1999 1.10208370710203 2000 1.09207072458026 2001 1.0752688172043 2002 1.06646882897086 2003 1.05804654506245 2004 1.08212854903327 2005 1.12115197837929 2006 1.13729508196721 2007 1.13837642048281 2008 1.12770319935007 2009 1.07646272841899 2010 1.01184147816842 2011 0.993786595519902 2012 0.999579124579125 2013 1.01890034364261 2014 1.06037399222392 2015 1.10254128349649 2016 1.13122902143042 2017 1.16198185095014 2018 1.20437107649384 2019 1.26031233827514 2020 1.3410248726401 2021 1.41531803900646 2022 1.48370132064108 2023 1.55524841783662