Year % of female population 1960 4.40745765070089 1961 4.433024358698 1962 4.42780694067501 1963 4.43371142001279 1964 4.46908266465286 1965 4.52848426267142 1966 4.55568554088523 1967 4.51851005958931 1968 4.44057599218165 1969 4.397711328253 1970 4.37634646881524 1971 4.37549747888869 1972 4.39792352769646 1973 4.41233099956618 1974 4.41806709172425 1975 4.38431301662842 1976 4.30721104428802 1977 4.19643102139375 1978 4.06217018874408 1979 3.97879212482485 1980 4.03245032101532 1981 4.16206589081031 1982 4.28333009544389 1983 4.39686710922978 1984 4.50093391326157 1985 4.59481495678048 1986 4.6799284537177 1987 4.75705761735761 1988 4.82659882054349 1989 4.89084079275762 1990 4.95178496203135 1991 4.88778147749895 1992 4.71256299307469 1993 4.55278960142228 1994 4.40326906252404 1995 4.26434152433432 1996 4.13302857025584 1997 4.00274303057875 1998 3.876644795118 1999 3.75765699414928 2000 3.64590845761366 2001 3.54082507751351 2002 3.43915042581223 2003 3.33930508420466 2004 3.24322990812614 2005 3.15290985489002 2006 3.06901264684002 2007 2.99333890955782 2008 2.9279025717903 2009 2.87609681930428 2010 2.83854359048844 2011 2.81479330053445 2012 2.80623269101481 2013 2.813706927001 2014 2.83662131097035 2015 2.87621818629997 2016 2.93188427504406 2017 2.99952820297756 2018 3.07597036766894 2019 3.1577171396759 2020 3.22936638654475 2021 3.28316586887461 2022 3.32962530455177 2023 3.38226718739015