65% (2019)

64% (1966)

62% (1976)

64% (1986)

67% (1944)

58% (2008)

65% (1964)

52% (2001)

59% (1991)

68% (2001)

63% (2010)

76% (1945)

78% (1976)

67% (1978)

61% (1982)

63% (1990)

76% (1971)

63% (1966)

59% (2007)

54% (1992)