Year % of female population 1960 1.34840765477884 1961 1.36894589404324 1962 1.38794913166432 1963 1.40150931772678 1964 1.41866756848157 1965 1.44600090375057 1966 1.49328023892484 1967 1.56676087064307 1968 1.66878917685196 1969 1.79006513848143 1970 1.92266112266112 1971 2.0550348353466 1972 2.17507428304343 1973 2.28261408935276 1974 2.3647654845563 1975 2.4328425674803 1976 2.52036293226225 1977 2.60850190186685 1978 2.64849290780142 1979 2.63787835837349 1980 2.57137484722179 1981 2.51237508172224 1982 2.52250027015762 1983 2.55059860987783 1984 2.5603600316244 1985 2.53124289934106 1986 2.3980125126869 1987 2.20949139149331 1988 2.06782969379041 1989 1.97920466982853 1990 1.95191158900836 1991 1.99382520125804 1992 2.04087310972302 1993 2.10571667070576 1994 2.24393162837891 1995 2.42797266170751 1996 2.61374164919296 1997 2.781320861678 1998 2.90926570225233 1999 3.0066258976038 2000 3.10794601078487 2001 3.26423332909407 2002 3.42974817850162 2003 3.52772150328689 2004 3.59985269144997 2005 3.66596511110212 2006 3.69185552478732 2007 3.68805110937762 2008 3.70377594008426 2009 3.74714702568399 2010 3.82402255925615 2011 3.96466624512792 2012 4.16888714367187 2013 4.39919930309714 2014 4.6339356285499 2015 4.87073092882222 2016 5.11095618792384 2017 5.34888740983253 2018 5.59930634391397 2019 5.86624951114587 2020 6.13940947430974 2021 6.41315829183643 2022 6.68982797839067 2023 6.96576256113828