80% (1972)

60% (1972)

80% (1956)

72% (1974)

67% (1966)

77% (1971)

80% (1968)

0% (1958)

20% (1954)

50% (1972)

86% (1967)

100% (1968)

63% (1962)

90% (1967)

70% (1976)

64% (1959)

65% (1961)

0% (1966)

78% (1971)

83% (1971)