Year % of female population 1960 4.34622695278392 1961 4.30329554615904 1962 4.25642453911497 1963 4.20456298217315 1964 4.15137456737918 1965 4.09967066426397 1966 4.04931579775199 1967 4.00132796809109 1968 3.95409828555722 1969 3.90523370814548 1970 3.85608009214754 1971 3.80626039911569 1972 3.75536502605651 1973 3.70491582171022 1974 3.65276767396835 1975 3.59656389703632 1976 3.54287511545977 1977 3.49121504231351 1978 3.44381110117447 1979 3.40490777381907 1980 3.3744288822085 1981 3.34376569684324 1982 3.3296110850954 1983 3.34752490795833 1984 3.38591738964462 1985 3.45444672920344 1986 3.5456376675612 1987 3.6448512979634 1988 3.75931016942994 1989 3.87852817581043 1990 4.00948114791065 1991 4.13885586488243 1992 4.24075676818375 1993 4.3155858558239 1994 4.3163069744188 1995 4.28090892461536 1996 4.27365492297841 1997 4.27184200475322 1998 4.27998032502142 1999 4.29564388212691 2000 4.31098258750728 2001 4.32347404618623 2002 4.32819110372865 2003 4.32083253666931 2004 4.29263148755757 2005 4.2409251161925 2006 4.17657288728144 2007 4.10015490896099 2008 4.03417063184685 2009 3.98365905020218 2010 3.93552095021758 2011 3.89724468659665 2012 3.86803295397831 2013 3.84723485740653 2014 3.85095907800175 2015 3.893893146991 2016 3.97536785550016 2017 4.10251570168514 2018 4.27772001634189 2019 4.48719252914488 2020 4.71231918539057 2021 4.95336340569965 2022 5.19055628910485 2023 5.41364044193251