65% (1968)

58% (1962)

48% (1968)

78% (1969)

60% (1966)

68% (1968)

0% (1978)

55% (1965)

80% (1965)

50% (1964)

57% (1972)

51% (1969)

65% (1965)

53% (1968)

50% (1974)

44% (1968)

63% (1973)

56% (1975)

57% (1966)

60% (1967)