Year % of female population 1960 1.30370420213303 1961 1.33726126245407 1962 1.36754342111629 1963 1.40155273145305 1964 1.43590059623769 1965 1.47695557064193 1966 1.51629239196232 1967 1.54685290467808 1968 1.56582226790768 1969 1.57300903176215 1970 1.5625836142773 1971 1.5454901448897 1972 1.53765730387219 1973 1.54053077948118 1974 1.54570219389989 1975 1.54074425781946 1976 1.52970308486265 1977 1.51650010703381 1978 1.50084964095818 1979 1.49299923162298 1980 1.49730505899736 1981 1.51045425437839 1982 1.50030862353902 1983 1.46001796945193 1984 1.41854833306213 1985 1.3815130143209 1986 1.34562397590692 1987 1.31548395163163 1988 1.29696157827437 1989 1.27888942564389 1990 1.26173320994183 1991 1.26210221170695 1992 1.27688863221019 1993 1.29153867634739 1994 1.30620447123838 1995 1.32107210945385 1996 1.33334313372388 1997 1.33528152306001 1998 1.32675891750153 1999 1.31043641397143 2000 1.28443421089134 2001 1.25551246310825 2002 1.23709830905497 2003 1.22858569936625 2004 1.2259537831871 2005 1.22916679521908 2006 1.22805010926034 2007 1.21939758469997 2008 1.20752034035331 2009 1.19359680960703 2010 1.17494974282569 2011 1.15216271884655 2012 1.13212307239491 2013 1.1103840228363 2014 1.07731818043942 2015 1.03561091611353 2016 0.996925779534475 2017 0.970030334446876 2018 0.95618734469042 2019 0.957888272730656 2020 0.958654596748792 2021 0.964204575946763 2022 0.986641514400404 2023 1.01888529046187