70% (1970)

59% (1972)

54% (1971)

65% (1970)

80% (1934)

60% (1964)

66% (1976)

56% (1968)

61% (1980)

63% (1975)

58% (1935)

40% (1960)

60% (1966)

63% (2014)

48% (1981)

60% (1985)

50% (1963)

64% (1965)

45% (1973)

43% (1963)