Year % of female population 1960 4.119091558885902 1961 4.05349333900157 1962 4.038014717791145 1963 3.9943117068562293 1964 3.935080268841375 1965 3.9740693324796648 1966 4.045077148591509 1967 4.084669270218537 1968 4.166200509998956 1969 4.2786100862577765 1970 4.346249313964503 1971 4.437971332037238 1972 4.540559002288905 1973 4.582538593709703 1974 4.59176852777329 1975 4.576007846542883 1976 4.539558300367907 1977 4.481889312205768 1978 4.423366515079288 1979 4.461949873281052 1980 4.5695135870290144 1981 4.616288832474736 1982 4.626835390963094 1983 4.745940970170311 1984 4.809014295899314 1985 4.717315152313842 1986 4.684152955861737 1987 4.686059951738288 1988 4.555354207207606 1989 4.442606397733189 1990 4.4177176726636365 1991 4.32379627081496 1992 4.200963974642618 1993 4.109944870618894 1994 4.016072236700851 1995 3.9326731840177316 1996 3.9023278900906053 1997 3.8916809747675845 1998 3.9108635179855784 1999 3.952290893872606 2000 4.0076257992781334 2001 4.059218432070746 2002 4.136368277172775 2003 4.2754053584057035 2004 4.409785140201205 2005 4.511946203177209 2006 4.6943315487400845 2007 4.970681333519127 2008 5.197655768235066 2009 5.338302690618061 2010 5.449208781858008 2011 5.620508481062984 2012 5.717170938097401 2013 5.751240954281878 2014 5.921019066739895 2015 6.159565868080159 2016 6.247956297395661 2017 6.274990659056654 2018 6.3642658072179445 2019 6.417839881717474 2020 6.454763805157603 2021 6.4834498502967275 2022 6.483737767986961 2023 6.459295595747518