Year % of female population 1960 7.15892885438124 1961 7.21901445024899 1962 7.18111074947481 1963 7.05727225821246 1964 6.87319564734621 1965 6.69496534307668 1966 6.5707671097469 1967 6.47937806047756 1968 6.41702044121617 1969 6.42633603287226 1970 6.54584420424898 1971 6.73129687214194 1972 6.93346582953159 1973 7.17014858675008 1974 7.40724332705726 1975 7.60460458257214 1976 7.77814315466404 1977 7.72113614447269 1978 7.35242445537597 1979 6.95067264573991 1980 6.86385879063264 1981 7.10755217888671 1982 7.44476669794421 1983 7.82244132642313 1984 8.20511752826299 1985 8.4770203736893 1986 8.63187530602252 1987 8.78528449703186 1988 8.96672924072373 1989 9.22970570807822 1990 9.57623964108692 1991 9.96431566016029 1992 10.3700106827231 1993 10.7688139791397 1994 11.1115397970601 1995 11.3691461115173 1996 11.5005854913328 1997 11.4504255808604 1998 11.1894543225015 1999 10.6988155019742 2000 9.94662228089307 2001 8.9984380357347 2002 8.01608528234602 2003 7.11371363808085 2004 6.38786418730708 2005 5.87671310134792 2006 5.59829944129875 2007 5.53704226677963 2008 5.63810529491628 2009 5.84990838858352 2010 6.06644744302075 2011 6.25779390091826 2012 6.50575538208555 2013 6.81336562476349 2014 7.15368580632935 2015 7.40796906395723 2016 7.57239994696668 2017 7.76322265551054 2018 7.96570714812922 2019 8.17832611122675 2020 8.35409118357488 2021 8.46341463414634 2022 8.50627435624919 2023 8.48570262952935