Year % female 1981 42.87829 1982 42.90932 1983 43.13967 1984 43.09376 1985 42.98113 1986 42.84784 1987 42.94237 1988 43.01636 1989 43.01789 1990 43.02885 1991 42.90486 1992 42.44735 1993 41.97394 1994 42.37845 1995 41.7393 1996 41.59345 1997 41.44919 1998 40.03305 1999 39.46866 2000 39.14543 2001 39.01926 2002 38.54841 2003 37.68578 2004 38.56004 2005 39.99401 2006 40.09988 2007 40.36658 2008 40.99501 2009 41.7495 2010 41.96666 2011 42.11482 2012 42.81857 2013 43.27727 2014 43.46936 2015 43.97518 2016 44.21713 2017 43.74733 2018 43.50548