80% (1972)

80% (1956)

60% (1972)

72% (1974)

77% (1971)

67% (1966)

80% (1968)

20% (1954)

86% (1967)

0% (1958)

50% (1972)

70% (1976)

63% (1962)

100% (1968)

90% (1967)

65% (1961)

71% (1968)

64% (1959)

84% (1971)

69% (1965)