Year % of female population 1960 1.30676819730068 1961 1.28291952276797 1962 1.25424519098436 1963 1.22400651502471 1964 1.19897326769391 1965 1.18123970509419 1966 1.16902949940202 1967 1.16208450701486 1968 1.15945578516031 1969 1.15809163051943 1970 1.15612087492929 1971 1.15451748506065 1972 1.15411341581956 1973 1.15444051780695 1974 1.15144614983792 1975 1.14463742941401 1976 1.13651450705196 1977 1.12606401672869 1978 1.11338899947819 1979 1.09980270453094 1980 1.08571571067636 1981 1.07074126620686 1982 1.05522468548589 1983 1.03839705859312 1984 1.0465882240918 1985 1.08407655264659 1986 1.12937675480327 1987 1.1765368339106 1988 1.2173565521352 1989 1.24775232846189 1990 1.2689404319916 1991 1.28567867127161 1992 1.29519301521377 1993 1.28378033374209 1994 1.25504128224828 1995 1.21617869368031 1996 1.16482286337003 1997 1.10611840344415 1998 1.04547944357771 1999 0.992275250500301 2000 0.94949989990039 2001 0.915020619696745 2002 0.889506283089435 2003 0.87228980510444 2004 0.861646497572192 2005 0.858002633255295 2006 0.863120895340322 2007 0.877279200412375 2008 0.901039235859256 2009 0.936300916507776 2010 0.984371180704799 2011 1.0443504322127 2012 1.11353401050541 2013 1.18794933651284 2014 1.26042592283028 2015 1.33482721639048 2016 1.41355998303027 2017 1.48971266863806 2018 1.56422567201675 2019 1.6392739866552 2020 1.70424904533872 2021 1.75263349769448 2022 1.78858382220991 2023 1.81384173660328