75% (1979)

70% (1965)

69% (1970)

75% (1973)

74% (1966)

71% (1965)

78% (1969)

71% (1967)

75% (1978)

73% (1966)

0% (1966)

72% (1964)

69% (1975)

70% (1963)

64% (1979)

50% (1973)

59% (1975)

80% (1983)

66% (1986)

62% (1977)