Year % of female population 1960 2.34982231453567 1961 2.38433412746289 1962 2.4159260988606 1963 2.4468808338523 1964 2.4866639862397 1965 2.53501399559081 1966 2.58999986439206 1967 2.64497790735487 1968 2.69135007698022 1969 2.7338276705704 1970 2.80870939200441 1971 2.89409030959191 1972 2.96626204156514 1973 3.05921392923992 1974 3.15865459180141 1975 3.18551847459375 1976 3.19637519564632 1977 3.27539951921236 1978 3.35087911870606 1979 3.41441266192335 1980 3.49778473501089 1981 3.58258084538361 1982 3.67721608300372 1983 3.75495286357479 1984 3.78261134889534 1985 3.71345610689771 1986 3.51243540514885 1987 3.13655065563793 1988 2.66816857765213 1989 2.43792370159745 1990 2.48741647669562 1991 2.69430344254623 1992 3.08493109062837 1993 3.56710895616918 1994 3.89406295758884 1995 4.0610336809493 1996 4.18056084950808 1997 4.24935416565498 1998 4.31668250651155 1999 4.3818391505901 2000 4.44979109328607 2001 4.52238815059449 2002 4.60352960214085 2003 4.68220522495923 2004 4.74183173454863 2005 4.79351068709099 2006 4.86356648125846 2007 4.95212213270273 2008 5.04644848659936 2009 5.14849060905322 2010 5.18408018547468 2011 5.09873887093827 2012 4.91894016240851 2013 4.70248953651915 2014 4.51671686522863 2015 4.38171900713274 2016 4.3601734613838 2017 4.4656808337149 2018 4.6552082492853 2019 4.96193857020937 2020 5.33710342158625 2021 5.63071034485073 2022 5.70205814755144 2023 5.76771991998437