Year % of female population 1960 3.98707928964352 1961 4.17145609661893 1962 4.33350074798095 1963 4.45866980578617 1964 4.55785652695275 1965 4.67037363676607 1966 4.76084060927283 1967 4.82274994962464 1968 4.8821464846499 1969 4.9174668381331 1970 4.90987454328761 1971 4.92267508853548 1972 4.9871598130987 1973 5.07077960284041 1974 5.1946394502552 1975 5.33926739969297 1976 5.44457303048981 1977 5.52374400675076 1978 5.58547703563673 1979 5.6012321242822 1980 5.42134249715292 1981 4.96924044167478 1982 4.39693777761704 1983 3.81872030424197 1984 3.5064493128635 1985 3.67340743608846 1986 4.17742041111597 1987 4.79230669760797 1988 5.38747986690038 1989 5.69454997863801 1990 5.72837538523837 1991 5.71895390019508 1992 5.64700164863185 1993 5.58065060521739 1994 5.58113631709313 1995 5.58656286236851 1996 5.55270932120095 1997 5.53390415692292 1998 5.53088236362102 1999 5.50708533466039 2000 5.446072369804 2001 5.38299531184823 2002 5.34513730027073 2003 5.32071024008496 2004 5.32618862597121 2005 5.37381689248718 2006 5.43622727027873 2007 5.51706515303005 2008 5.6027446899757 2009 5.70301373491475 2010 5.74325049240218 2011 5.73714682499521 2012 5.80496067336882 2013 5.9290308170535 2014 6.06004900834392 2015 6.25248339726999 2016 6.53220518716178 2017 6.70356740237777 2018 6.82695653631045 2019 7.05775982792751 2020 7.29298391286997 2021 7.40838397452914 2022 7.19484519371049 2023 6.89876385185185