68% (1969)

63% (1966)

70% (1969)

59% (1974)

70% (1972)

60% (1958)

88% (1985)

42% (1971)

55% (1962)

60% (1989)

51% (1966)

62% (1962)

68% (1968)

56% (1971)

50% (1958)

53% (1972)

0% (1963)

56% (1969)

0% (1954)

50% (1951)