10% (1958)

78% (1984)

40% (1972)

55% (1957)

73% (1965)

59% (1975)

61% (1969)

82% (1958)

28% (1959)

62% (1960)

72% (1972)

50% (1965)

60% (1979)

73% (1971)

0% (1962)

0% (1963)

63% (1967)

60% (1968)

70% (1966)

52% (1967)