Year % female 1972 35.2165718078613 1973 40.1617317199707 1977 39.3103408813477 1978 44.0559387207031 1979 48.4848518371582 1980 48.2758598327637 1981 49.8881416320801 1982 48.8888893127441 1983 49.6688690185547 1984 48.6199607849121 1985 51.3043518066406 1986 52.6766586303711 1987 54.725269317627 1988 57.5163383483887 1989 55.0295906066895 1990 57.3930015563965 1991 58.1613502502441 1992 58.5321083068848 1993 59.0316581726074 1994 59.4095916748047 1995 58.9743614196777 1996 57.7868881225586 1997 57.083911895752 1998 64.0277786254883 1999 61.9621315002441 2000 67.1739120483398 2001 67.4698791503906 2002 71.363639831543 2003 72.3154373168945 2004 73.3017425537109 2005 74.1590194702148 2006 78.5478515625 2007 79.0297317504883 2008 81.5503921508789 2010 80.9079971313477 2011 81.2099990844727 2012 80.4349975585938 2014 82.4104232788086 2016 81.5548782348633 2020 83.0965881347656