50% (1956)

77% (1962)

65% (1978)

71% (1978)

45% (1966)

83% (1993)

78% (1963)

100% (1967)

76% (1981)

70% (1957)

78% (1991)

60% (1948)

50% (1963)

65% (2009)

62% (1994)

58% (1955)

66% (1989)

71% (1994)

65% (2015)

0% (1953)