Year % of female population 1960 2.26396410426128 1961 2.2542971947684 1962 2.24788470156818 1963 2.24653550579 1964 2.25339507524803 1965 2.26617807416581 1966 2.28612768959204 1967 2.31575381096286 1968 2.34637659067261 1969 2.36458366262789 1970 2.36848776695954 1971 2.3598547317376 1972 2.33712636979792 1973 2.30867902193827 1974 2.28956643653971 1975 2.28461542639886 1976 2.29093335998298 1977 2.30736041159125 1978 2.33056502841216 1979 2.35518384592617 1980 2.37806152039487 1981 2.40063514840537 1982 2.42361817539874 1983 2.44573852642559 1984 2.46547085790244 1985 2.48180069264762 1986 2.49713569624029 1987 2.51343806768409 1988 2.52895309550857 1989 2.54158794739119 1990 2.55240568071234 1991 2.56252289158817 1992 2.57139380636962 1993 2.58296679922678 1994 2.60488177179447 1995 2.64020822764714 1996 2.68796113874385 1997 2.74798745287735 1998 2.8191375724727 1999 2.89825326983572 2000 2.98329962987049 2001 3.07404524095821 2002 3.16949508193891 2003 3.26581667881056 2004 3.37501511560702 2005 3.50196558286377 2006 3.63385118417355 2007 3.77112605782511 2008 3.92013038277458 2009 4.06871312162511 2010 4.21161537765439 2011 4.35988489371216 2012 4.51279972088117 2013 4.66740116020733 2014 4.82231571368646 2015 4.97524578669722 2016 5.12020309947877 2017 5.24112548547674 2018 5.33419570593284 2019 5.4136149584234 2020 5.48299944845261 2021 5.5309174874888 2022 5.5680707784033 2023 5.59991850548107