Year % of female population 1960 15.51718408894668 1961 14.580530463566223 1962 14.156801781788305 1963 14.580614696970466 1964 15.407975658516488 1965 16.22132223237878 1966 17.011686343528005 1967 17.27300702359201 1968 16.91043443098329 1969 16.544284866704523 1970 16.30967787954419 1971 16.07531608216566 1972 15.848392380054921 1973 15.474940322774255 1974 14.895047865772428 1975 14.182040893990798 1976 13.414561908872722 1977 12.686614837065148 1978 11.997093220446157 1979 11.465683330368678 1980 11.165241526815409 1981 11.045233986086734 1982 11.098017693532796 1983 11.168104467472359 1984 11.14501340462911 1985 11.117431581475351 1986 11.10841145718682 1987 11.096660726561304 1988 11.111679622447399 1989 11.15697651008334 1990 11.18021058908951 1991 11.011211693534193 1992 10.580922176339195 1993 10.090408811804197 1994 9.58555386562187 1995 9.015940824945645 1996 8.541674065457721 1997 8.227701612068111 1998 7.955054321169381 1999 7.708012373061122 2000 7.514236862362274 2001 7.359412634081008 2002 7.222868270632999 2003 7.116008375705994 2004 7.040542926352897 2005 6.97027200709125 2006 6.919120280238433 2007 6.9150889035366285 2008 6.942376323881863 2009 6.9834040035144005 2010 7.0135138519506395 2011 7.026502429935798 2012 7.052257061847041 2013 7.063869108735847 2014 7.044154781063001 2015 7.0037934228952565 2016 6.956129581690616 2017 6.893405925588457 2018 6.762050042763469 2019 6.565797735415852 2020 6.323009997498897 2021 6.016675967023069 2022 5.662173648592777 2023 5.365675048689481