53% (1978)

55% (1970)

53% (1976)

55% (1960)

70% (1968)

75% (1960)

52% (1971)

58% (1984)

50% (1979)

60% (1956)

50% (1979)

48% (1968)

42% (1988)

100% (1969)

43% (1975)

62% (1958)

50% (1955)

20% (1973)

50% (1959)

58% (1951)