Year % of female population 1960 5.25727955027523 1961 5.29845369791263 1962 5.30621674210354 1963 5.29766559306185 1964 5.28608605765801 1965 5.30396765241324 1966 5.31209210736035 1967 5.29191693346949 1968 5.30764763942577 1969 5.33825304164853 1970 5.35177588066538 1971 5.34473561216353 1972 5.31343511903182 1973 5.25647668955469 1974 5.18505781700216 1975 5.09938139227216 1976 4.9811010692173 1977 4.83296609374188 1978 4.67521107942782 1979 4.54866852260312 1980 4.55572045506512 1981 4.70686535830054 1982 4.87973064983289 1983 5.04609013580289 1984 5.1913638046987 1985 5.252170316444 1986 5.23251532205604 1987 5.19656270947089 1988 5.16214476519609 1989 5.13173584774814 1990 5.10093357403897 1991 5.0427938898836 1992 4.99251528727332 1993 4.97317008991786 1994 4.95412928702156 1995 4.93060880291661 1996 4.92124245363733 1997 4.91622499867275 1998 4.90789929211682 1999 4.91255728784625 2000 4.92771393709276 2001 4.96938866113562 2002 5.07007274994021 2003 5.22478908291288 2004 5.39205039744829 2005 5.55366189613993 2006 5.70274188521399 2007 5.80810427706209 2008 5.85524959871083 2009 5.86425818289007 2010 5.84855559672423 2011 5.79153192224463 2012 5.72628682499417 2013 5.67654646809589 2014 5.64198803134878 2015 5.63771487281408 2016 5.67130082946824 2017 5.73869129891984 2018 5.81615296098247 2019 5.91588231742147 2020 6.03842500422448 2021 6.19814150673788 2022 6.38263950962231 2023 6.57948605327086