63% (1962)

60% (1972)

80% (1972)

67% (1966)

86% (1967)

78% (1968)

64% (1959)

77% (1971)

80% (1956)

0% (1958)

70% (1974)

80% (1968)

71% (1968)

0% (1966)

50% (1972)

90% (1967)

70% (1976)

69% (1965)

100% (1968)

78% (1971)