64% (1956)

66% (1952)

54% (1962)

0% (1955)

50% (1957)

64% (1958)

72% (1965)

47% (1964)

63% (1969)

35% (1956)

53% (1963)

30% (1951)

54% (1961)

48% (1974)

50% (1956)

53% (1959)

80% (1973)

65% (1958)

53% (1955)

50% (1962)