68% (1969)

51% (1966)

56% (1969)

70% (1969)

63% (1973)

57% (1968)

60% (1958)

70% (1972)

0% (1967)

68% (1968)

57% (1962)

63% (1966)

88% (1985)

61% (1962)

59% (1967)

58% (1964)

50% (1974)

57% (1971)

54% (1971)

56% (1971)