75% (1973)

70% (1967)

64% (1976)

0% (1959)

62% (1956)

45% (1956)

70% (1954)

70% (1958)

0% (1953)

10% (1972)

0% (1956)

90% (1955)

57% (1958)

50% (1975)

20% (1979)

50% (1960)

48% (1974)

60% (1958)

50% (1955)

62% (1971)