Year % female 1972 8.92308044433594 1973 9.32476043701172 1974 9.70149040222168 1975 11.5555601119995 1976 10.8000001907349 1977 10.8786602020264 1978 6.69643020629883 1979 7.18953990936279 1980 5.74712991714478 1981 5.42636013031006 1982 6.40000009536743 1983 4.10959005355835 1984 4.48718023300171 1985 5.12821006774902 1986 5.76922988891602 1987 6.3380298614502 1988 4.76189994812012 1989 8.59375 1990 11.0655698776245 1991 10.7142896652222 1992 14.375 1993 13.9393901824951 1994 13.1233596801758 1995 17.0212802886963 1996 20.6790103912354 1997 21.7207298278809 1998 26.4935092926025 1999 25.1057796478271 2000 22.5042304992676 2001 22.4958896636963 2002 22.6688098907471 2003 23.7639598846436 2004 24.2690105438232 2005 26.6666698455811 2006 28.4705905914307 2007 29.230770111084 2008 29.8553695678711 2009 30.6844997406006 2010 29.8260097503662 2011 31.5295791625977 2012 33.0645217895508 2013 31.5115203857422 2014 33.8124008178711 2015 34.3836517333984 2016 35.4034996032715 2017 35.8021392822266 2019 36.1001281738281 2020 36.6959686279297 2021 36.9813385009766