Year

Male

Female

1977

82.2%

17.8%

1978

72.7%

27.3%

1979

68.4%

31.6%

1980

65.4%

34.6%

1981

61.7%

38.3%

1982

58.6%

41.4%

1983

55.6%

44.4%

1984

53.6%

46.4%

1985

50.3%

49.7%

1986

49.3%

50.7%

1987

47.8%

52.2%

1988

47.5%

52.5%

1989

46.4%

53.6%

1990

45.7%

54.3%

1991

45.1%

54.9%

1992

44.7%

55.3%

1993

44.7%

55.3%

1994

43.9%

56.1%

1995

43.5%

56.5%

1996

43.0%

57.0%

1998

43.0%

57.0%

1999

43.2%

56.8%

2000

42.8%

57.2%

2001

42.6%

57.4%

2002

41.9%

58.1%

2003

42.1%

57.9%

2004

41.7%

58.3%

2005

41.1%

58.9%

2006

41.0%

59.0%

2007

41.2%

58.8%

2008

40.8%

59.2%

2009

40.7%

59.3%

2010

40.0%

60.0%

2011

39.7%

60.3%

2012

40.2%

59.8%

2013

40.3%

59.7%

2014

40.4%

59.6%

2015

40.5%

59.5%

2016

40.7%

59.3%

2017

41.1%

58.9%

2018

41.6%

58.4%

2019

41.9%

58.1%

2020

37.4%

62.6%

2021

36.6%

63.4%

2022

43.1%

56.9%