Year % of female population 1960 5.15398180713168 1961 5.15864025453364 1962 5.1674734731798 1963 5.16362999980555 1964 5.12922234370918 1965 5.04324016852579 1966 4.90369629216294 1967 4.71555662418851 1968 4.47623175841641 1969 4.19468274209753 1970 3.99216500043635 1971 3.93298918866271 1972 3.94678882917805 1973 4.00936897216864 1974 4.11916072842439 1975 4.25733113017858 1976 4.40185446644037 1977 4.5248367067172 1978 4.60490241871611 1979 4.63454826460323 1980 4.68566483278729 1981 4.8256435562135 1982 5.0387833008447 1983 5.3122971691048 1984 5.63015613617122 1985 5.97300623083384 1986 6.32719964095459 1987 6.68171114599686 1988 7.02980207930703 1989 7.36420926277883 1990 7.66070711128967 1991 7.84797482894671 1992 7.91640341178329 1993 7.91145426114152 1994 7.83078831098364 1995 7.68269110561897 1996 7.48667188962987 1997 7.24959861677164 1998 6.97652440176917 1999 6.6977050413845 2000 6.43394229958892 2001 6.24766773639824 2002 6.15682586388312 2003 6.09797939520953 2004 6.05932242409732 2005 6.03341018040766 2006 5.99836408252295 2007 5.9665914221219 2008 5.963882983018 2009 6.0150442951106 2010 6.16268569506171 2011 6.4266832939606 2012 6.79643739345232 2013 7.26129462939834 2014 7.77309490495854 2015 8.26487491548344 2016 8.69390455295309 2017 9.0381646441674 2018 9.2744557389193 2019 9.39247720054539 2020 9.39081567376289 2021 9.26132667239593 2022 9.01437420774437 2023 8.68590885695055