65% (1956)

53% (1949)

50% (1957)

65% (1958)

55% (1963)

54% (1962)

72% (1965)

57% (1948)

80% (1973)

53% (1963)

52% (1967)

68% (1952)

53% (1956)

64% (1958)

54% (1961)

53% (1959)

70% (1952)

0% (1946)

63% (1969)

0% (1953)