66% (2013)

68% (1975)

79% (1961)

74% (1963)

80% (1943)

61% (1990)

62% (1993)

65% (1980)

72% (1986)

75% (1989)

0% (1960)

80% (1958)

66% (1986)

60% (1977)

70% (1964)

61% (1961)

64% (1963)

69% (1989)

56% (1988)

62% (1976)