Year % female 1971 5.02832984924316 1972 5.34432983398438 1986 3.51537990570068 1989 5.2775502204895 1990 5.99153995513916 1991 5.88971996307373 1992 6.20206022262573 1994 7.09713983535767 1995 7.81781005859375 1996 8.46195030212402 1997 8.24549007415771 1998 9.2947301864624 1999 9.34292030334473 2000 9.60715007781982 2001 10.1165103912354 2002 10.5879402160645 2003 9.42881965637207 2004 9.53538990020752 2005 11.5013303756714 2006 11.9980602264404 2007 13.372540473938 2008 13.8492298126221 2011 15.2987403869629 2012 15.3699598312378 2015 18.0588207244873 2016 17.9617004394531 2017 17.7652702331543 2018 18.6257305145264 2019 18.7778301239014 2021 20.0603408813477 2022 20.0781993865967