73% (1969)

67% (1969)

50% (1970)

60% (1962)

62% (1962)

57% (1968)

60% (1957)

58% (1965)

59% (1964)

47% (1976)

60% (1967)

50% (1957)

45% (1967)

60% (1964)

28% (1979)

60% (1964)

50% (1965)

40% (1963)

30% (1969)

70% (1964)