88% (1975)

72% (1984)

68% (1944)

80% (1986)

78% (1983)

75% (2008)

63% (1974)

64% (1995)

57% (1957)

56% (2006)

66% (2017)

66% (2012)

68% (1957)

65% (1966)

76% (1950)

67% (1997)

60% (2009)

62% (1960)

73% (1971)

67% (1966)