71% (1964)

76% (1960)

64% (1965)

68% (2014)

75% (1973)

74% (1965)

70% (1983)

61% (1979)

73% (1966)

64% (1970)

59% (1972)

61% (1972)

0% (1962)

55% (1968)

70% (1973)

70% (1963)

60% (1985)

48% (1981)

45% (1973)

80% (1965)