Year % of female population 1960 2.88526399705648 1961 2.66468201850393 1962 2.40581518348748 1963 2.18773656320969 1964 2.03390627571774 1965 1.96562343023129 1966 1.96869551113094 1967 2.01478009412387 1968 2.07061322006902 1969 2.10845380054627 1970 2.12297184583668 1971 2.13892638355311 1972 2.17145410621273 1973 2.20348168611952 1974 2.23633733727438 1975 2.26770708283313 1976 2.29545846012517 1977 2.32578627433706 1978 2.37190143902413 1979 2.409933578884 1980 2.47891186201552 1981 2.57444350907418 1982 2.66657639446374 1983 2.76004631977874 1984 2.82282567413597 1985 2.84922121917523 1986 2.86477829477934 1987 2.90307832977751 1988 2.94785884789048 1989 3.00620710926054 1990 3.10335834951175 1991 3.18443124151412 1992 3.23681518798574 1993 3.30860027326552 1994 3.42346929154645 1995 3.55041742151168 1996 3.69199576056403 1997 3.84979345234846 1998 3.9814456899884 1999 4.11912744217481 2000 4.3005901035999 2001 4.54303931987248 2002 4.83458299278633 2003 5.15740897771192 2004 5.4934597394669 2005 5.81879085850127 2006 6.12696983340837 2007 6.4111109109578 2008 6.65477670287701 2009 6.83843785448063 2010 6.94708913535904 2011 6.98238065412162 2012 6.95949956622985 2013 6.90893724910205 2014 6.86528018913228 2015 6.85895474647456 2016 6.89988565266299 2017 6.97520568750407 2018 7.06547118707388 2019 7.15710793267204 2020 7.22142515542802 2021 7.25546130170408 2022 7.2777092494421 2023 7.29121346826823