Year % of female population 1960 1.87621832358674 1961 1.84956471970359 1962 1.79871137095812 1963 1.75630202491292 1964 1.73600980334948 1965 1.74185932686494 1966 1.7708925525867 1967 1.82405845980888 1968 1.88679245283019 1969 1.95410196509551 1970 2.01690722770393 1971 2.06961429915334 1972 2.10327589874495 1973 2.11024865149323 1974 2.10172669739823 1975 2.07575874784044 1976 2.04774671262607 1977 2.01956373379167 1978 1.99090727418066 1979 1.99447758986243 1980 2.00491496143458 1981 2.02631326226832 1982 2.06388322828302 1983 2.15028576782535 1984 2.27778292705533 1985 2.38553995779429 1986 2.4447877851495 1987 2.55937387549478 1988 2.69199964403311 1989 2.64801618720859 1990 2.6934324223302 1991 2.8791556258211 1992 2.94057771042096 1993 2.98142942721534 1994 3.19026475908568 1995 3.33561854329685 1996 3.30916003661198 1997 3.35723598435463 1998 3.47621355861783 1999 3.55236939144774 2000 3.53562843017191 2001 3.50782877494792 2002 3.49334337549565 2003 3.43044906900329 2004 3.30900664833142 2005 3.22476412046013 2006 3.20670198561399 2007 3.19750564455435 2008 3.13768442754977 2009 3.05855062502685 2010 3.00582257267473 2011 2.93820743572671 2012 2.87681812331059 2013 2.91667558943829 2014 3.00461262492526 2015 3.08383106705638 2016 3.1883997409164 2017 3.30833882663151 2018 3.45388384053994 2019 3.58976415851115 2020 3.6503134207352 2021 3.6810537457368 2022 3.70392064979694 2023 3.66342412451362