73% (1981)

60% (1968)

65% (1974)

76% (1976)

63% (1968)

70% (1970)

71% (1971)

72% (1970)

77% (1970)

67% (2023)

72% (1966)

58% (1967)

69% (1967)

69% (1969)

20% (1968)

53% (1971)

61% (1972)

65% (1976)

70% (2021)

62% (1971)