61% (1990)

66% (2013)

74% (1963)

54% (1987)

72% (1986)

60% (1976)

68% (1975)

80% (1958)

78% (1961)

45% (1939)

0% (1957)

65% (1980)

58% (2001)

0% (1958)

70% (1937)

47% (1978)

66% (1986)

56% (1988)

75% (1989)

63% (1979)