63% (1962)

74% (1963)

72% (1965)

79% (1962)

0% (1968)

55% (1966)

10% (1962)

50% (1966)

47% (1973)

69% (1970)

0% (1967)

40% (1960)

48% (1969)

0% (1964)

60% (1971)

65% (1963)

52% (1960)

62% (1962)

0% (1964)

0% (1957)