Year % of female population 1960 3.19642842129159 1961 3.25765920968717 1962 3.6066100685966 1963 4.02313881502106 1964 4.39582390285629 1965 4.64992495480505 1966 4.75018240649684 1967 4.72481238997692 1968 4.63232902079527 1969 4.51431582645354 1970 4.39577256433205 1971 4.28019334072535 1972 4.15255949501938 1973 4.02515914836587 1974 3.94430530745893 1975 3.91584394528363 1976 3.93510088134605 1977 3.99041517186121 1978 4.05347022796005 1979 4.11454059564315 1980 4.16623093521471 1981 4.20303330672538 1982 4.23486668789625 1983 4.27879870148394 1984 4.32899218368618 1985 4.3707662128079 1986 4.39807357444917 1987 4.40939546083372 1988 4.4081036772257 1989 4.40140157599202 1990 4.39639894177176 1991 4.39807916897556 1992 4.40043729189234 1993 4.3882727426674 1994 4.37140180211306 1995 4.37114394566449 1996 4.39546666114718 1997 4.45351201020496 1998 4.54793061422477 1999 4.66965003913508 2000 4.80446249537019 2001 4.93226292022077 2002 5.0256449199661 2003 5.08685700590795 2004 5.13829031330388 2005 5.18499402869525 2006 5.22354999042521 2007 5.24940622022913 2008 5.26205942250847 2009 5.26840771409598 2010 5.28083282868017 2011 5.32402421491525 2012 5.41158952766681 2013 5.5326944830234 2014 5.6693279471922 2015 5.80146266852595 2016 5.91303489445999 2017 5.99542193706283 2018 6.0528639141393 2019 6.09507998620351 2020 6.13798463419176 2021 6.19467387830125 2022 6.26255576560756 2023 6.33841555509627