Year % of female population 1960 2.08346305682512 1961 2.13918384838817 1962 2.24327189412851 1963 2.3062146646002 1964 2.32745286568287 1965 2.3067681217461 1966 2.26603065523894 1967 2.24450152364644 1968 2.25342653387651 1969 2.29269410656232 1970 2.35924889218943 1971 2.43233688180068 1972 2.46918257101078 1973 2.45910035412216 1974 2.42103700142123 1975 2.37118477190679 1976 2.32784346939991 1977 2.30208360029729 1978 2.3007048545617 1979 2.32904698954453 1980 2.39444981200601 1981 2.4945189343343 1982 2.59939004465744 1983 2.67626352842282 1984 2.71124940453868 1985 2.69957182239427 1986 2.64918459427731 1987 2.58399108341105 1988 2.52807014461176 1989 2.49672042759681 1990 2.50131431951107 1991 2.53027535349435 1992 2.56081352579359 1993 2.57261784903902 1994 2.55078907724035 1995 2.51706302275545 1996 2.51529075885926 1997 2.5723330983242 1998 2.69768273423455 1999 2.87835200999253 2000 3.08081766976774 2001 3.28637916138961 2002 3.48766339894054 2003 3.68003375196465 2004 3.87201855445418 2005 4.0627573899515 2006 4.2423544350738 2007 4.40639584656596 2008 4.5555048513098 2009 4.69397355914444 2010 4.82700195479504 2011 4.98511673252642 2012 5.15631956847713 2013 5.30554299528379 2014 5.43110266178668 2015 5.5421324352444 2016 5.66132496605058 2017 5.80686410519332 2018 5.98665755506387 2019 6.19896056541453 2020 6.42484322781721 2021 6.63310410288384 2022 6.79969464451686 2023 6.91513934564948