53% (1969)

65% (1960)

77% (1975)

67% (1984)

57% (1961)

70% (1982)

58% (1967)

82% (1959)

62% (1980)

80% (1969)

45% (1967)

68% (1957)

80% (1961)

52% (1969)

68% (1958)

0% (1958)

0% (1984)

20% (1976)

70% (1958)

0% (1957)