60% (1968)

73% (1981)

71% (1971)

77% (1970)

72% (1966)

73% (1970)

70% (1970)

77% (1976)

64% (1968)

68% (1967)

69% (1969)

65% (1976)

65% (1974)

53% (1971)

68% (2023)

57% (1972)

67% (1967)

60% (1968)

60% (1971)

61% (1972)