Year % of female population 1960 5.17794128063505 1961 5.18074741000807 1962 5.18371013694799 1963 5.18469134977792 1964 5.18159198219547 1965 5.17544471273786 1966 5.16479877891853 1967 5.14753476433957 1968 5.12652613197078 1969 5.10520441633657 1970 5.08145353966143 1971 5.05610676478439 1972 5.0317635602452 1973 5.00012045061483 1974 4.94691060730491 1975 4.86079422886204 1976 4.75005754877366 1977 4.62390239439371 1978 4.47689289173199 1979 4.3101851910676 1980 4.14457072625335 1981 3.99244287622377 1982 3.86197254663279 1983 3.78068681098984 1984 3.77426950165405 1985 3.85146960806224 1986 4.00731409816253 1987 4.2248833228343 1988 4.44958170466394 1989 4.61103975321708 1990 4.69216864857547 1991 4.72133367582063 1992 4.7188772354372 1993 4.72023393797299 1994 4.76939869980568 1995 4.86023865771995 1996 4.95457219799114 1997 5.0315770348091 1998 5.08935380312952 1999 5.1344180689331 2000 5.17583617563396 2001 5.21887618413813 2002 5.26614370878288 2003 5.31719956819671 2004 5.36858561626733 2005 5.41138245625478 2006 5.44516728214487 2007 5.47147114584122 2008 5.48668105950345 2009 5.49314280171291 2010 5.49450787972362 2011 5.49151586342503 2012 5.48808050191157 2013 5.48621665730561 2014 5.49287187267387 2015 5.52070455524681 2016 5.57367836783069 2017 5.64702460858166 2018 5.7428050692754 2019 5.86216888366942 2020 5.9855812898809 2021 6.09896234929995 2022 6.20682630471786 2023 6.31301552899229