Year % of female population 1960 2.57731049446963 1961 2.64685103314664 1962 2.67817623209754 1963 2.70429967748659 1964 2.76105533544347 1965 2.79153854713508 1966 2.80929423785768 1967 2.85019866723065 1968 2.88426028764204 1969 2.87887273597963 1970 2.89485011071829 1971 2.93411843203117 1972 2.95713906184144 1973 2.99628883637575 1974 3.06556351412146 1975 3.15232619304303 1976 3.2224046966327 1977 3.28551162805626 1978 3.33881592573074 1979 3.37278874934672 1980 3.37447272878575 1981 3.36945388905928 1982 3.39317921584182 1983 3.40649947404927 1984 3.41266437964551 1985 3.43637663692783 1986 3.46607844821442 1987 3.48343775213191 1988 3.48240727099988 1989 3.45813510343874 1990 3.35523808327156 1991 3.14066790468389 1992 2.89646429246232 1993 2.73801441322479 1994 2.64339402122532 1995 2.59356101833545 1996 2.73268671610262 1997 3.03665989119781 1998 3.34537596202926 1999 3.64574127715998 2000 3.94928969368669 2001 4.17783749039731 2002 4.32080300461994 2003 4.43503798021004 2004 4.54292268264709 2005 4.64018541703312 2006 4.72385273996364 2007 4.79375440371825 2008 4.776203696714 2009 4.68015265998674 2010 4.63439941063003 2011 4.65443690522817 2012 4.76640998056783 2013 4.95945948831618 2014 5.1754561431082 2015 5.3103497106664 2016 5.40309827913134 2017 5.37403322830135 2018 5.09948522140346 2019 4.76381076271005 2020 4.47925146172082 2021 4.27798070377743 2022 4.25576209886416 2023 4.46697743171489