62% (1956)

57% (1948)

65% (1958)

72% (1965)

50% (1956)

52% (1967)

52% (1948)

70% (1952)

55% (1962)

53% (1963)

47% (1964)

0% (1946)

50% (1957)

53% (1959)

53% (1950)

54% (1961)

80% (1973)

60% (1951)

55% (1963)

70% (1954)