Year % of female population 1960 2.644604507868 1961 2.64182137567595 1962 2.63779068876625 1963 2.63326776950505 1964 2.62862184567708 1965 2.62337155994497 1966 2.61766371684171 1967 2.6117651808378 1968 2.60567138361887 1969 2.59934989413414 1970 2.59271268357104 1971 2.58589382531088 1972 2.57911485643849 1973 2.5723602015167 1974 2.56572926888599 1975 2.55948994478908 1976 2.55330671162962 1977 2.5472568113609 1978 2.54160451961436 1979 2.5365606998443 1980 2.5321198293995 1981 2.52791715701687 1982 2.52403138527687 1983 2.52000884526493 1984 2.51513329160298 1985 2.50875415516281 1986 2.50104224331768 1987 2.49238989957162 1988 2.48334364864021 1989 2.4735529721907 1990 2.46171013948569 1991 2.44984703112236 1992 2.43983660033859 1993 2.42950480951636 1994 2.41580882097285 1995 2.39836770990655 1996 2.37782056670655 1997 2.35510584805561 1998 2.3339191909211 1999 2.31844141368633 2000 2.30962452854456 2001 2.30396844399721 2002 2.29349493056147 2003 2.26875342550095 2004 2.21883615576294 2005 2.18683928433945 2006 2.18831893158747 2007 2.1955329129926 2008 2.2153480392819 2009 2.25592868916492 2010 2.28246953553627 2011 2.28406594707101 2012 2.28707537836847 2013 2.29174998334269 2014 2.29946519928166 2015 2.31084501209275 2016 2.32622281850521 2017 2.34521354674094 2018 2.36621870487076 2019 2.38778987670211 2020 2.40930510708897 2021 2.43074801243662 2022 2.45434145051611 2023 2.48231336974465