65% (1970)

61% (1980)

69% (1973)

59% (1964)

66% (1963)

54% (1980)

60% (1985)

59% (1935)

56% (1968)

58% (1972)

60% (1966)

61% (1965)

80% (1934)

50% (1963)

48% (1981)

43% (1960)

63% (1975)

43% (1963)

63% (2014)

60% (1978)